Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * forcedeth: Ethernet driver for NVIDIA nForce media access controllers. | |
3 | * | |
4 | * Note: This driver is a cleanroom reimplementation based on reverse | |
5 | * engineered documentation written by Carl-Daniel Hailfinger | |
87046e50 | 6 | * and Andrew de Quincey. |
1da177e4 LT |
7 | * |
8 | * NVIDIA, nForce and other NVIDIA marks are trademarks or registered | |
9 | * trademarks of NVIDIA Corporation in the United States and other | |
10 | * countries. | |
11 | * | |
1836098f | 12 | * Copyright (C) 2003,4,5 Manfred Spraul |
1da177e4 LT |
13 | * Copyright (C) 2004 Andrew de Quincey (wol support) |
14 | * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane | |
15 | * IRQ rate fixes, bigendian fixes, cleanups, verification) | |
87046e50 | 16 | * Copyright (c) 2004,5,6 NVIDIA Corporation |
1da177e4 LT |
17 | * |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
31 | * | |
32 | * Changelog: | |
33 | * 0.01: 05 Oct 2003: First release that compiles without warnings. | |
34 | * 0.02: 05 Oct 2003: Fix bug for nv_drain_tx: do not try to free NULL skbs. | |
35 | * Check all PCI BARs for the register window. | |
36 | * udelay added to mii_rw. | |
37 | * 0.03: 06 Oct 2003: Initialize dev->irq. | |
38 | * 0.04: 07 Oct 2003: Initialize np->lock, reduce handled irqs, add printks. | |
39 | * 0.05: 09 Oct 2003: printk removed again, irq status print tx_timeout. | |
40 | * 0.06: 10 Oct 2003: MAC Address read updated, pff flag generation updated, | |
41 | * irq mask updated | |
42 | * 0.07: 14 Oct 2003: Further irq mask updates. | |
43 | * 0.08: 20 Oct 2003: rx_desc.Length initialization added, nv_alloc_rx refill | |
44 | * added into irq handler, NULL check for drain_ring. | |
45 | * 0.09: 20 Oct 2003: Basic link speed irq implementation. Only handle the | |
46 | * requested interrupt sources. | |
47 | * 0.10: 20 Oct 2003: First cleanup for release. | |
48 | * 0.11: 21 Oct 2003: hexdump for tx added, rx buffer sizes increased. | |
49 | * MAC Address init fix, set_multicast cleanup. | |
50 | * 0.12: 23 Oct 2003: Cleanups for release. | |
51 | * 0.13: 25 Oct 2003: Limit for concurrent tx packets increased to 10. | |
52 | * Set link speed correctly. start rx before starting | |
53 | * tx (nv_start_rx sets the link speed). | |
54 | * 0.14: 25 Oct 2003: Nic dependant irq mask. | |
55 | * 0.15: 08 Nov 2003: fix smp deadlock with set_multicast_list during | |
56 | * open. | |
57 | * 0.16: 15 Nov 2003: include file cleanup for ppc64, rx buffer size | |
58 | * increased to 1628 bytes. | |
59 | * 0.17: 16 Nov 2003: undo rx buffer size increase. Substract 1 from | |
60 | * the tx length. | |
61 | * 0.18: 17 Nov 2003: fix oops due to late initialization of dev_stats | |
62 | * 0.19: 29 Nov 2003: Handle RxNoBuf, detect & handle invalid mac | |
63 | * addresses, really stop rx if already running | |
64 | * in nv_start_rx, clean up a bit. | |
65 | * 0.20: 07 Dec 2003: alloc fixes | |
66 | * 0.21: 12 Jan 2004: additional alloc fix, nic polling fix. | |
67 | * 0.22: 19 Jan 2004: reprogram timer to a sane rate, avoid lockup | |
68 | * on close. | |
69 | * 0.23: 26 Jan 2004: various small cleanups | |
70 | * 0.24: 27 Feb 2004: make driver even less anonymous in backtraces | |
71 | * 0.25: 09 Mar 2004: wol support | |
72 | * 0.26: 03 Jun 2004: netdriver specific annotation, sparse-related fixes | |
73 | * 0.27: 19 Jun 2004: Gigabit support, new descriptor rings, | |
74 | * added CK804/MCP04 device IDs, code fixes | |
75 | * for registers, link status and other minor fixes. | |
76 | * 0.28: 21 Jun 2004: Big cleanup, making driver mostly endian safe | |
77 | * 0.29: 31 Aug 2004: Add backup timer for link change notification. | |
78 | * 0.30: 25 Sep 2004: rx checksum support for nf 250 Gb. Add rx reset | |
79 | * into nv_close, otherwise reenabling for wol can | |
80 | * cause DMA to kfree'd memory. | |
81 | * 0.31: 14 Nov 2004: ethtool support for getting/setting link | |
4ea7f299 | 82 | * capabilities. |
22c6d143 | 83 | * 0.32: 16 Apr 2005: RX_ERROR4 handling added. |
8f767fc8 MS |
84 | * 0.33: 16 May 2005: Support for MCP51 added. |
85 | * 0.34: 18 Jun 2005: Add DEV_NEED_LINKTIMER to all nForce nics. | |
f49d16ef | 86 | * 0.35: 26 Jun 2005: Support for MCP55 added. |
dc8216c1 MS |
87 | * 0.36: 28 Jun 2005: Add jumbo frame support. |
88 | * 0.37: 10 Jul 2005: Additional ethtool support, cleanup of pci id list | |
c2dba06d MS |
89 | * 0.38: 16 Jul 2005: tx irq rewrite: Use global flags instead of |
90 | * per-packet flags. | |
4ea7f299 AA |
91 | * 0.39: 18 Jul 2005: Add 64bit descriptor support. |
92 | * 0.40: 19 Jul 2005: Add support for mac address change. | |
93 | * 0.41: 30 Jul 2005: Write back original MAC in nv_close instead | |
b3df9f81 | 94 | * of nv_remove |
4ea7f299 | 95 | * 0.42: 06 Aug 2005: Fix lack of link speed initialization |
1b1b3c9b | 96 | * in the second (and later) nv_open call |
4ea7f299 AA |
97 | * 0.43: 10 Aug 2005: Add support for tx checksum. |
98 | * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation. | |
99 | * 0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check | |
a971c324 | 100 | * 0.46: 20 Oct 2005: Add irq optimization modes. |
7a33e45a | 101 | * 0.47: 26 Oct 2005: Add phyaddr 0 in phy scan. |
1836098f | 102 | * 0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single |
fa45459e | 103 | * 0.49: 10 Dec 2005: Fix tso for large buffers. |
ee407b02 | 104 | * 0.50: 20 Jan 2006: Add 8021pq tagging support. |
0832b25a | 105 | * 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings. |
d33a73c8 | 106 | * 0.52: 20 Jan 2006: Add MSI/MSIX support. |
86a0f043 | 107 | * 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset. |
84b3932b | 108 | * 0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup. |
eb91f61b | 109 | * 0.55: 22 Mar 2006: Add flow control (pause frame). |
ebe611a4 | 110 | * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. |
5070d340 | 111 | * 0.57: 14 May 2006: Mac address set in probe/remove and order corrections. |
7e680c22 | 112 | * 0.58: 30 Oct 2006: Added support for sideband management unit. |
c5cf9101 | 113 | * 0.59: 30 Oct 2006: Added support for recoverable error. |
21828163 | 114 | * 0.60: 20 Jan 2007: Code optimizations for rings, rx & tx data paths, and stats. |
1da177e4 LT |
115 | * |
116 | * Known bugs: | |
117 | * We suspect that on some hardware no TX done interrupts are generated. | |
118 | * This means recovery from netif_stop_queue only happens if the hw timer | |
119 | * interrupt fires (100 times/second, configurable with NVREG_POLL_DEFAULT) | |
120 | * and the timer is active in the IRQMask, or if a rx packet arrives by chance. | |
121 | * If your hardware reliably generates tx done interrupts, then you can remove | |
122 | * DEV_NEED_TIMERIRQ from the driver_data flags. | |
123 | * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few | |
124 | * superfluous timer interrupts from the nic. | |
125 | */ | |
e27cdba5 SH |
126 | #ifdef CONFIG_FORCEDETH_NAPI |
127 | #define DRIVERNAPI "-NAPI" | |
128 | #else | |
129 | #define DRIVERNAPI | |
130 | #endif | |
21828163 | 131 | #define FORCEDETH_VERSION "0.60" |
1da177e4 LT |
132 | #define DRV_NAME "forcedeth" |
133 | ||
134 | #include <linux/module.h> | |
135 | #include <linux/types.h> | |
136 | #include <linux/pci.h> | |
137 | #include <linux/interrupt.h> | |
138 | #include <linux/netdevice.h> | |
139 | #include <linux/etherdevice.h> | |
140 | #include <linux/delay.h> | |
141 | #include <linux/spinlock.h> | |
142 | #include <linux/ethtool.h> | |
143 | #include <linux/timer.h> | |
144 | #include <linux/skbuff.h> | |
145 | #include <linux/mii.h> | |
146 | #include <linux/random.h> | |
147 | #include <linux/init.h> | |
22c6d143 | 148 | #include <linux/if_vlan.h> |
910638ae | 149 | #include <linux/dma-mapping.h> |
1da177e4 LT |
150 | |
151 | #include <asm/irq.h> | |
152 | #include <asm/io.h> | |
153 | #include <asm/uaccess.h> | |
154 | #include <asm/system.h> | |
155 | ||
156 | #if 0 | |
157 | #define dprintk printk | |
158 | #else | |
159 | #define dprintk(x...) do { } while (0) | |
160 | #endif | |
161 | ||
162 | ||
163 | /* | |
164 | * Hardware access: | |
165 | */ | |
166 | ||
c2dba06d MS |
167 | #define DEV_NEED_TIMERIRQ 0x0001 /* set the timer irq flag in the irq mask */ |
168 | #define DEV_NEED_LINKTIMER 0x0002 /* poll link settings. Relies on the timer irq */ | |
169 | #define DEV_HAS_LARGEDESC 0x0004 /* device supports jumbo frames and needs packet format 2 */ | |
ee73362c | 170 | #define DEV_HAS_HIGH_DMA 0x0008 /* device supports 64bit dma */ |
8a4ae7f2 | 171 | #define DEV_HAS_CHECKSUM 0x0010 /* device supports tx and rx checksum offloads */ |
ee407b02 | 172 | #define DEV_HAS_VLAN 0x0020 /* device supports vlan tagging and striping */ |
d33a73c8 AA |
173 | #define DEV_HAS_MSI 0x0040 /* device supports MSI */ |
174 | #define DEV_HAS_MSI_X 0x0080 /* device supports MSI-X */ | |
86a0f043 | 175 | #define DEV_HAS_POWER_CNTRL 0x0100 /* device supports power savings */ |
eb91f61b | 176 | #define DEV_HAS_PAUSEFRAME_TX 0x0200 /* device supports tx pause frames */ |
57fff698 AA |
177 | #define DEV_HAS_STATISTICS_V1 0x0400 /* device supports hw statistics version 1 */ |
178 | #define DEV_HAS_STATISTICS_V2 0x0800 /* device supports hw statistics version 2 */ | |
179 | #define DEV_HAS_TEST_EXTENDED 0x1000 /* device supports extended diagnostic test */ | |
180 | #define DEV_HAS_MGMT_UNIT 0x2000 /* device supports management unit */ | |
1da177e4 LT |
181 | |
182 | enum { | |
183 | NvRegIrqStatus = 0x000, | |
184 | #define NVREG_IRQSTAT_MIIEVENT 0x040 | |
c5cf9101 | 185 | #define NVREG_IRQSTAT_MASK 0x81ff |
1da177e4 LT |
186 | NvRegIrqMask = 0x004, |
187 | #define NVREG_IRQ_RX_ERROR 0x0001 | |
188 | #define NVREG_IRQ_RX 0x0002 | |
189 | #define NVREG_IRQ_RX_NOBUF 0x0004 | |
190 | #define NVREG_IRQ_TX_ERR 0x0008 | |
c2dba06d | 191 | #define NVREG_IRQ_TX_OK 0x0010 |
1da177e4 LT |
192 | #define NVREG_IRQ_TIMER 0x0020 |
193 | #define NVREG_IRQ_LINK 0x0040 | |
d33a73c8 AA |
194 | #define NVREG_IRQ_RX_FORCED 0x0080 |
195 | #define NVREG_IRQ_TX_FORCED 0x0100 | |
c5cf9101 | 196 | #define NVREG_IRQ_RECOVER_ERROR 0x8000 |
a971c324 | 197 | #define NVREG_IRQMASK_THROUGHPUT 0x00df |
096a458c | 198 | #define NVREG_IRQMASK_CPU 0x0060 |
d33a73c8 AA |
199 | #define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED) |
200 | #define NVREG_IRQ_RX_ALL (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED) | |
c5cf9101 | 201 | #define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RECOVER_ERROR) |
c2dba06d MS |
202 | |
203 | #define NVREG_IRQ_UNKNOWN (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR| \ | |
d33a73c8 | 204 | NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RX_FORCED| \ |
c5cf9101 | 205 | NVREG_IRQ_TX_FORCED|NVREG_IRQ_RECOVER_ERROR)) |
1da177e4 LT |
206 | |
207 | NvRegUnknownSetupReg6 = 0x008, | |
208 | #define NVREG_UNKSETUP6_VAL 3 | |
209 | ||
210 | /* | |
211 | * NVREG_POLL_DEFAULT is the interval length of the timer source on the nic | |
212 | * NVREG_POLL_DEFAULT=97 would result in an interval length of 1 ms | |
213 | */ | |
214 | NvRegPollingInterval = 0x00c, | |
4e16ed1b | 215 | #define NVREG_POLL_DEFAULT_THROUGHPUT 970 /* backup tx cleanup if loop max reached */ |
a971c324 | 216 | #define NVREG_POLL_DEFAULT_CPU 13 |
d33a73c8 AA |
217 | NvRegMSIMap0 = 0x020, |
218 | NvRegMSIMap1 = 0x024, | |
219 | NvRegMSIIrqMask = 0x030, | |
220 | #define NVREG_MSI_VECTOR_0_ENABLED 0x01 | |
1da177e4 | 221 | NvRegMisc1 = 0x080, |
eb91f61b | 222 | #define NVREG_MISC1_PAUSE_TX 0x01 |
1da177e4 LT |
223 | #define NVREG_MISC1_HD 0x02 |
224 | #define NVREG_MISC1_FORCE 0x3b0f3c | |
225 | ||
86a0f043 AA |
226 | NvRegMacReset = 0x3c, |
227 | #define NVREG_MAC_RESET_ASSERT 0x0F3 | |
1da177e4 LT |
228 | NvRegTransmitterControl = 0x084, |
229 | #define NVREG_XMITCTL_START 0x01 | |
7e680c22 AA |
230 | #define NVREG_XMITCTL_MGMT_ST 0x40000000 |
231 | #define NVREG_XMITCTL_SYNC_MASK 0x000f0000 | |
232 | #define NVREG_XMITCTL_SYNC_NOT_READY 0x0 | |
233 | #define NVREG_XMITCTL_SYNC_PHY_INIT 0x00040000 | |
234 | #define NVREG_XMITCTL_MGMT_SEMA_MASK 0x00000f00 | |
235 | #define NVREG_XMITCTL_MGMT_SEMA_FREE 0x0 | |
236 | #define NVREG_XMITCTL_HOST_SEMA_MASK 0x0000f000 | |
237 | #define NVREG_XMITCTL_HOST_SEMA_ACQ 0x0000f000 | |
238 | #define NVREG_XMITCTL_HOST_LOADED 0x00004000 | |
f35723ec | 239 | #define NVREG_XMITCTL_TX_PATH_EN 0x01000000 |
1da177e4 LT |
240 | NvRegTransmitterStatus = 0x088, |
241 | #define NVREG_XMITSTAT_BUSY 0x01 | |
242 | ||
243 | NvRegPacketFilterFlags = 0x8c, | |
eb91f61b AA |
244 | #define NVREG_PFF_PAUSE_RX 0x08 |
245 | #define NVREG_PFF_ALWAYS 0x7F0000 | |
1da177e4 LT |
246 | #define NVREG_PFF_PROMISC 0x80 |
247 | #define NVREG_PFF_MYADDR 0x20 | |
9589c77a | 248 | #define NVREG_PFF_LOOPBACK 0x10 |
1da177e4 LT |
249 | |
250 | NvRegOffloadConfig = 0x90, | |
251 | #define NVREG_OFFLOAD_HOMEPHY 0x601 | |
252 | #define NVREG_OFFLOAD_NORMAL RX_NIC_BUFSIZE | |
253 | NvRegReceiverControl = 0x094, | |
254 | #define NVREG_RCVCTL_START 0x01 | |
f35723ec | 255 | #define NVREG_RCVCTL_RX_PATH_EN 0x01000000 |
1da177e4 LT |
256 | NvRegReceiverStatus = 0x98, |
257 | #define NVREG_RCVSTAT_BUSY 0x01 | |
258 | ||
259 | NvRegRandomSeed = 0x9c, | |
260 | #define NVREG_RNDSEED_MASK 0x00ff | |
261 | #define NVREG_RNDSEED_FORCE 0x7f00 | |
262 | #define NVREG_RNDSEED_FORCE2 0x2d00 | |
263 | #define NVREG_RNDSEED_FORCE3 0x7400 | |
264 | ||
9744e218 AA |
265 | NvRegTxDeferral = 0xA0, |
266 | #define NVREG_TX_DEFERRAL_DEFAULT 0x15050f | |
267 | #define NVREG_TX_DEFERRAL_RGMII_10_100 0x16070f | |
268 | #define NVREG_TX_DEFERRAL_RGMII_1000 0x14050f | |
269 | NvRegRxDeferral = 0xA4, | |
270 | #define NVREG_RX_DEFERRAL_DEFAULT 0x16 | |
1da177e4 LT |
271 | NvRegMacAddrA = 0xA8, |
272 | NvRegMacAddrB = 0xAC, | |
273 | NvRegMulticastAddrA = 0xB0, | |
274 | #define NVREG_MCASTADDRA_FORCE 0x01 | |
275 | NvRegMulticastAddrB = 0xB4, | |
276 | NvRegMulticastMaskA = 0xB8, | |
277 | NvRegMulticastMaskB = 0xBC, | |
278 | ||
279 | NvRegPhyInterface = 0xC0, | |
280 | #define PHY_RGMII 0x10000000 | |
281 | ||
282 | NvRegTxRingPhysAddr = 0x100, | |
283 | NvRegRxRingPhysAddr = 0x104, | |
284 | NvRegRingSizes = 0x108, | |
285 | #define NVREG_RINGSZ_TXSHIFT 0 | |
286 | #define NVREG_RINGSZ_RXSHIFT 16 | |
5070d340 AA |
287 | NvRegTransmitPoll = 0x10c, |
288 | #define NVREG_TRANSMITPOLL_MAC_ADDR_REV 0x00008000 | |
1da177e4 LT |
289 | NvRegLinkSpeed = 0x110, |
290 | #define NVREG_LINKSPEED_FORCE 0x10000 | |
291 | #define NVREG_LINKSPEED_10 1000 | |
292 | #define NVREG_LINKSPEED_100 100 | |
293 | #define NVREG_LINKSPEED_1000 50 | |
294 | #define NVREG_LINKSPEED_MASK (0xFFF) | |
295 | NvRegUnknownSetupReg5 = 0x130, | |
296 | #define NVREG_UNKSETUP5_BIT31 (1<<31) | |
95d161cb AA |
297 | NvRegTxWatermark = 0x13c, |
298 | #define NVREG_TX_WM_DESC1_DEFAULT 0x0200010 | |
299 | #define NVREG_TX_WM_DESC2_3_DEFAULT 0x1e08000 | |
300 | #define NVREG_TX_WM_DESC2_3_1000 0xfe08000 | |
1da177e4 LT |
301 | NvRegTxRxControl = 0x144, |
302 | #define NVREG_TXRXCTL_KICK 0x0001 | |
303 | #define NVREG_TXRXCTL_BIT1 0x0002 | |
304 | #define NVREG_TXRXCTL_BIT2 0x0004 | |
305 | #define NVREG_TXRXCTL_IDLE 0x0008 | |
306 | #define NVREG_TXRXCTL_RESET 0x0010 | |
307 | #define NVREG_TXRXCTL_RXCHECK 0x0400 | |
8a4ae7f2 | 308 | #define NVREG_TXRXCTL_DESC_1 0 |
d2f78412 AA |
309 | #define NVREG_TXRXCTL_DESC_2 0x002100 |
310 | #define NVREG_TXRXCTL_DESC_3 0xc02200 | |
ee407b02 AA |
311 | #define NVREG_TXRXCTL_VLANSTRIP 0x00040 |
312 | #define NVREG_TXRXCTL_VLANINS 0x00080 | |
0832b25a AA |
313 | NvRegTxRingPhysAddrHigh = 0x148, |
314 | NvRegRxRingPhysAddrHigh = 0x14C, | |
eb91f61b AA |
315 | NvRegTxPauseFrame = 0x170, |
316 | #define NVREG_TX_PAUSEFRAME_DISABLE 0x1ff0080 | |
317 | #define NVREG_TX_PAUSEFRAME_ENABLE 0x0c00030 | |
1da177e4 LT |
318 | NvRegMIIStatus = 0x180, |
319 | #define NVREG_MIISTAT_ERROR 0x0001 | |
320 | #define NVREG_MIISTAT_LINKCHANGE 0x0008 | |
321 | #define NVREG_MIISTAT_MASK 0x000f | |
322 | #define NVREG_MIISTAT_MASK2 0x000f | |
7e680c22 AA |
323 | NvRegMIIMask = 0x184, |
324 | #define NVREG_MII_LINKCHANGE 0x0008 | |
1da177e4 LT |
325 | |
326 | NvRegAdapterControl = 0x188, | |
327 | #define NVREG_ADAPTCTL_START 0x02 | |
328 | #define NVREG_ADAPTCTL_LINKUP 0x04 | |
329 | #define NVREG_ADAPTCTL_PHYVALID 0x40000 | |
330 | #define NVREG_ADAPTCTL_RUNNING 0x100000 | |
331 | #define NVREG_ADAPTCTL_PHYSHIFT 24 | |
332 | NvRegMIISpeed = 0x18c, | |
333 | #define NVREG_MIISPEED_BIT8 (1<<8) | |
334 | #define NVREG_MIIDELAY 5 | |
335 | NvRegMIIControl = 0x190, | |
336 | #define NVREG_MIICTL_INUSE 0x08000 | |
337 | #define NVREG_MIICTL_WRITE 0x00400 | |
338 | #define NVREG_MIICTL_ADDRSHIFT 5 | |
339 | NvRegMIIData = 0x194, | |
340 | NvRegWakeUpFlags = 0x200, | |
341 | #define NVREG_WAKEUPFLAGS_VAL 0x7770 | |
342 | #define NVREG_WAKEUPFLAGS_BUSYSHIFT 24 | |
343 | #define NVREG_WAKEUPFLAGS_ENABLESHIFT 16 | |
344 | #define NVREG_WAKEUPFLAGS_D3SHIFT 12 | |
345 | #define NVREG_WAKEUPFLAGS_D2SHIFT 8 | |
346 | #define NVREG_WAKEUPFLAGS_D1SHIFT 4 | |
347 | #define NVREG_WAKEUPFLAGS_D0SHIFT 0 | |
348 | #define NVREG_WAKEUPFLAGS_ACCEPT_MAGPAT 0x01 | |
349 | #define NVREG_WAKEUPFLAGS_ACCEPT_WAKEUPPAT 0x02 | |
350 | #define NVREG_WAKEUPFLAGS_ACCEPT_LINKCHANGE 0x04 | |
351 | #define NVREG_WAKEUPFLAGS_ENABLE 0x1111 | |
352 | ||
353 | NvRegPatternCRC = 0x204, | |
354 | NvRegPatternMask = 0x208, | |
355 | NvRegPowerCap = 0x268, | |
356 | #define NVREG_POWERCAP_D3SUPP (1<<30) | |
357 | #define NVREG_POWERCAP_D2SUPP (1<<26) | |
358 | #define NVREG_POWERCAP_D1SUPP (1<<25) | |
359 | NvRegPowerState = 0x26c, | |
360 | #define NVREG_POWERSTATE_POWEREDUP 0x8000 | |
361 | #define NVREG_POWERSTATE_VALID 0x0100 | |
362 | #define NVREG_POWERSTATE_MASK 0x0003 | |
363 | #define NVREG_POWERSTATE_D0 0x0000 | |
364 | #define NVREG_POWERSTATE_D1 0x0001 | |
365 | #define NVREG_POWERSTATE_D2 0x0002 | |
366 | #define NVREG_POWERSTATE_D3 0x0003 | |
52da3578 AA |
367 | NvRegTxCnt = 0x280, |
368 | NvRegTxZeroReXmt = 0x284, | |
369 | NvRegTxOneReXmt = 0x288, | |
370 | NvRegTxManyReXmt = 0x28c, | |
371 | NvRegTxLateCol = 0x290, | |
372 | NvRegTxUnderflow = 0x294, | |
373 | NvRegTxLossCarrier = 0x298, | |
374 | NvRegTxExcessDef = 0x29c, | |
375 | NvRegTxRetryErr = 0x2a0, | |
376 | NvRegRxFrameErr = 0x2a4, | |
377 | NvRegRxExtraByte = 0x2a8, | |
378 | NvRegRxLateCol = 0x2ac, | |
379 | NvRegRxRunt = 0x2b0, | |
380 | NvRegRxFrameTooLong = 0x2b4, | |
381 | NvRegRxOverflow = 0x2b8, | |
382 | NvRegRxFCSErr = 0x2bc, | |
383 | NvRegRxFrameAlignErr = 0x2c0, | |
384 | NvRegRxLenErr = 0x2c4, | |
385 | NvRegRxUnicast = 0x2c8, | |
386 | NvRegRxMulticast = 0x2cc, | |
387 | NvRegRxBroadcast = 0x2d0, | |
388 | NvRegTxDef = 0x2d4, | |
389 | NvRegTxFrame = 0x2d8, | |
390 | NvRegRxCnt = 0x2dc, | |
391 | NvRegTxPause = 0x2e0, | |
392 | NvRegRxPause = 0x2e4, | |
393 | NvRegRxDropFrame = 0x2e8, | |
ee407b02 AA |
394 | NvRegVlanControl = 0x300, |
395 | #define NVREG_VLANCONTROL_ENABLE 0x2000 | |
d33a73c8 AA |
396 | NvRegMSIXMap0 = 0x3e0, |
397 | NvRegMSIXMap1 = 0x3e4, | |
398 | NvRegMSIXIrqStatus = 0x3f0, | |
86a0f043 AA |
399 | |
400 | NvRegPowerState2 = 0x600, | |
401 | #define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11 | |
402 | #define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001 | |
1da177e4 LT |
403 | }; |
404 | ||
405 | /* Big endian: should work, but is untested */ | |
406 | struct ring_desc { | |
a8bed49e SH |
407 | __le32 buf; |
408 | __le32 flaglen; | |
1da177e4 LT |
409 | }; |
410 | ||
ee73362c | 411 | struct ring_desc_ex { |
a8bed49e SH |
412 | __le32 bufhigh; |
413 | __le32 buflow; | |
414 | __le32 txvlan; | |
415 | __le32 flaglen; | |
ee73362c MS |
416 | }; |
417 | ||
f82a9352 | 418 | union ring_type { |
ee73362c MS |
419 | struct ring_desc* orig; |
420 | struct ring_desc_ex* ex; | |
f82a9352 | 421 | }; |
ee73362c | 422 | |
1da177e4 LT |
423 | #define FLAG_MASK_V1 0xffff0000 |
424 | #define FLAG_MASK_V2 0xffffc000 | |
425 | #define LEN_MASK_V1 (0xffffffff ^ FLAG_MASK_V1) | |
426 | #define LEN_MASK_V2 (0xffffffff ^ FLAG_MASK_V2) | |
427 | ||
428 | #define NV_TX_LASTPACKET (1<<16) | |
429 | #define NV_TX_RETRYERROR (1<<19) | |
c2dba06d | 430 | #define NV_TX_FORCED_INTERRUPT (1<<24) |
1da177e4 LT |
431 | #define NV_TX_DEFERRED (1<<26) |
432 | #define NV_TX_CARRIERLOST (1<<27) | |
433 | #define NV_TX_LATECOLLISION (1<<28) | |
434 | #define NV_TX_UNDERFLOW (1<<29) | |
435 | #define NV_TX_ERROR (1<<30) | |
436 | #define NV_TX_VALID (1<<31) | |
437 | ||
438 | #define NV_TX2_LASTPACKET (1<<29) | |
439 | #define NV_TX2_RETRYERROR (1<<18) | |
c2dba06d | 440 | #define NV_TX2_FORCED_INTERRUPT (1<<30) |
1da177e4 LT |
441 | #define NV_TX2_DEFERRED (1<<25) |
442 | #define NV_TX2_CARRIERLOST (1<<26) | |
443 | #define NV_TX2_LATECOLLISION (1<<27) | |
444 | #define NV_TX2_UNDERFLOW (1<<28) | |
445 | /* error and valid are the same for both */ | |
446 | #define NV_TX2_ERROR (1<<30) | |
447 | #define NV_TX2_VALID (1<<31) | |
ac9c1897 AA |
448 | #define NV_TX2_TSO (1<<28) |
449 | #define NV_TX2_TSO_SHIFT 14 | |
fa45459e AA |
450 | #define NV_TX2_TSO_MAX_SHIFT 14 |
451 | #define NV_TX2_TSO_MAX_SIZE (1<<NV_TX2_TSO_MAX_SHIFT) | |
8a4ae7f2 MS |
452 | #define NV_TX2_CHECKSUM_L3 (1<<27) |
453 | #define NV_TX2_CHECKSUM_L4 (1<<26) | |
1da177e4 | 454 | |
ee407b02 AA |
455 | #define NV_TX3_VLAN_TAG_PRESENT (1<<18) |
456 | ||
1da177e4 LT |
457 | #define NV_RX_DESCRIPTORVALID (1<<16) |
458 | #define NV_RX_MISSEDFRAME (1<<17) | |
459 | #define NV_RX_SUBSTRACT1 (1<<18) | |
460 | #define NV_RX_ERROR1 (1<<23) | |
461 | #define NV_RX_ERROR2 (1<<24) | |
462 | #define NV_RX_ERROR3 (1<<25) | |
463 | #define NV_RX_ERROR4 (1<<26) | |
464 | #define NV_RX_CRCERR (1<<27) | |
465 | #define NV_RX_OVERFLOW (1<<28) | |
466 | #define NV_RX_FRAMINGERR (1<<29) | |
467 | #define NV_RX_ERROR (1<<30) | |
468 | #define NV_RX_AVAIL (1<<31) | |
469 | ||
470 | #define NV_RX2_CHECKSUMMASK (0x1C000000) | |
471 | #define NV_RX2_CHECKSUMOK1 (0x10000000) | |
472 | #define NV_RX2_CHECKSUMOK2 (0x14000000) | |
473 | #define NV_RX2_CHECKSUMOK3 (0x18000000) | |
474 | #define NV_RX2_DESCRIPTORVALID (1<<29) | |
475 | #define NV_RX2_SUBSTRACT1 (1<<25) | |
476 | #define NV_RX2_ERROR1 (1<<18) | |
477 | #define NV_RX2_ERROR2 (1<<19) | |
478 | #define NV_RX2_ERROR3 (1<<20) | |
479 | #define NV_RX2_ERROR4 (1<<21) | |
480 | #define NV_RX2_CRCERR (1<<22) | |
481 | #define NV_RX2_OVERFLOW (1<<23) | |
482 | #define NV_RX2_FRAMINGERR (1<<24) | |
483 | /* error and avail are the same for both */ | |
484 | #define NV_RX2_ERROR (1<<30) | |
485 | #define NV_RX2_AVAIL (1<<31) | |
486 | ||
ee407b02 AA |
487 | #define NV_RX3_VLAN_TAG_PRESENT (1<<16) |
488 | #define NV_RX3_VLAN_TAG_MASK (0x0000FFFF) | |
489 | ||
1da177e4 | 490 | /* Miscelaneous hardware related defines: */ |
86a0f043 | 491 | #define NV_PCI_REGSZ_VER1 0x270 |
57fff698 AA |
492 | #define NV_PCI_REGSZ_VER2 0x2d4 |
493 | #define NV_PCI_REGSZ_VER3 0x604 | |
1da177e4 LT |
494 | |
495 | /* various timeout delays: all in usec */ | |
496 | #define NV_TXRX_RESET_DELAY 4 | |
497 | #define NV_TXSTOP_DELAY1 10 | |
498 | #define NV_TXSTOP_DELAY1MAX 500000 | |
499 | #define NV_TXSTOP_DELAY2 100 | |
500 | #define NV_RXSTOP_DELAY1 10 | |
501 | #define NV_RXSTOP_DELAY1MAX 500000 | |
502 | #define NV_RXSTOP_DELAY2 100 | |
503 | #define NV_SETUP5_DELAY 5 | |
504 | #define NV_SETUP5_DELAYMAX 50000 | |
505 | #define NV_POWERUP_DELAY 5 | |
506 | #define NV_POWERUP_DELAYMAX 5000 | |
507 | #define NV_MIIBUSY_DELAY 50 | |
508 | #define NV_MIIPHY_DELAY 10 | |
509 | #define NV_MIIPHY_DELAYMAX 10000 | |
86a0f043 | 510 | #define NV_MAC_RESET_DELAY 64 |
1da177e4 LT |
511 | |
512 | #define NV_WAKEUPPATTERNS 5 | |
513 | #define NV_WAKEUPMASKENTRIES 4 | |
514 | ||
515 | /* General driver defaults */ | |
516 | #define NV_WATCHDOG_TIMEO (5*HZ) | |
517 | ||
eafa59f6 AA |
518 | #define RX_RING_DEFAULT 128 |
519 | #define TX_RING_DEFAULT 256 | |
520 | #define RX_RING_MIN 128 | |
521 | #define TX_RING_MIN 64 | |
522 | #define RING_MAX_DESC_VER_1 1024 | |
523 | #define RING_MAX_DESC_VER_2_3 16384 | |
1da177e4 LT |
524 | |
525 | /* rx/tx mac addr + type + vlan + align + slack*/ | |
d81c0983 MS |
526 | #define NV_RX_HEADERS (64) |
527 | /* even more slack. */ | |
528 | #define NV_RX_ALLOC_PAD (64) | |
529 | ||
530 | /* maximum mtu size */ | |
531 | #define NV_PKTLIMIT_1 ETH_DATA_LEN /* hard limit not known */ | |
532 | #define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia: 9202 */ | |
1da177e4 LT |
533 | |
534 | #define OOM_REFILL (1+HZ/20) | |
535 | #define POLL_WAIT (1+HZ/100) | |
536 | #define LINK_TIMEOUT (3*HZ) | |
52da3578 | 537 | #define STATS_INTERVAL (10*HZ) |
1da177e4 | 538 | |
f3b197ac | 539 | /* |
1da177e4 | 540 | * desc_ver values: |
8a4ae7f2 MS |
541 | * The nic supports three different descriptor types: |
542 | * - DESC_VER_1: Original | |
543 | * - DESC_VER_2: support for jumbo frames. | |
544 | * - DESC_VER_3: 64-bit format. | |
1da177e4 | 545 | */ |
8a4ae7f2 MS |
546 | #define DESC_VER_1 1 |
547 | #define DESC_VER_2 2 | |
548 | #define DESC_VER_3 3 | |
1da177e4 LT |
549 | |
550 | /* PHY defines */ | |
551 | #define PHY_OUI_MARVELL 0x5043 | |
552 | #define PHY_OUI_CICADA 0x03f1 | |
553 | #define PHYID1_OUI_MASK 0x03ff | |
554 | #define PHYID1_OUI_SHFT 6 | |
555 | #define PHYID2_OUI_MASK 0xfc00 | |
556 | #define PHYID2_OUI_SHFT 10 | |
edf7e5ec AA |
557 | #define PHYID2_MODEL_MASK 0x03f0 |
558 | #define PHY_MODEL_MARVELL_E3016 0x220 | |
559 | #define PHY_MARVELL_E3016_INITMASK 0x0300 | |
1da177e4 LT |
560 | #define PHY_INIT1 0x0f000 |
561 | #define PHY_INIT2 0x0e00 | |
562 | #define PHY_INIT3 0x01000 | |
563 | #define PHY_INIT4 0x0200 | |
564 | #define PHY_INIT5 0x0004 | |
565 | #define PHY_INIT6 0x02000 | |
566 | #define PHY_GIGABIT 0x0100 | |
567 | ||
568 | #define PHY_TIMEOUT 0x1 | |
569 | #define PHY_ERROR 0x2 | |
570 | ||
571 | #define PHY_100 0x1 | |
572 | #define PHY_1000 0x2 | |
573 | #define PHY_HALF 0x100 | |
574 | ||
eb91f61b AA |
575 | #define NV_PAUSEFRAME_RX_CAPABLE 0x0001 |
576 | #define NV_PAUSEFRAME_TX_CAPABLE 0x0002 | |
577 | #define NV_PAUSEFRAME_RX_ENABLE 0x0004 | |
578 | #define NV_PAUSEFRAME_TX_ENABLE 0x0008 | |
b6d0773f AA |
579 | #define NV_PAUSEFRAME_RX_REQ 0x0010 |
580 | #define NV_PAUSEFRAME_TX_REQ 0x0020 | |
581 | #define NV_PAUSEFRAME_AUTONEG 0x0040 | |
1da177e4 | 582 | |
d33a73c8 AA |
583 | /* MSI/MSI-X defines */ |
584 | #define NV_MSI_X_MAX_VECTORS 8 | |
585 | #define NV_MSI_X_VECTORS_MASK 0x000f | |
586 | #define NV_MSI_CAPABLE 0x0010 | |
587 | #define NV_MSI_X_CAPABLE 0x0020 | |
588 | #define NV_MSI_ENABLED 0x0040 | |
589 | #define NV_MSI_X_ENABLED 0x0080 | |
590 | ||
591 | #define NV_MSI_X_VECTOR_ALL 0x0 | |
592 | #define NV_MSI_X_VECTOR_RX 0x0 | |
593 | #define NV_MSI_X_VECTOR_TX 0x1 | |
594 | #define NV_MSI_X_VECTOR_OTHER 0x2 | |
1da177e4 | 595 | |
52da3578 AA |
596 | /* statistics */ |
597 | struct nv_ethtool_str { | |
598 | char name[ETH_GSTRING_LEN]; | |
599 | }; | |
600 | ||
601 | static const struct nv_ethtool_str nv_estats_str[] = { | |
602 | { "tx_bytes" }, | |
603 | { "tx_zero_rexmt" }, | |
604 | { "tx_one_rexmt" }, | |
605 | { "tx_many_rexmt" }, | |
606 | { "tx_late_collision" }, | |
607 | { "tx_fifo_errors" }, | |
608 | { "tx_carrier_errors" }, | |
609 | { "tx_excess_deferral" }, | |
610 | { "tx_retry_error" }, | |
52da3578 AA |
611 | { "rx_frame_error" }, |
612 | { "rx_extra_byte" }, | |
613 | { "rx_late_collision" }, | |
614 | { "rx_runt" }, | |
615 | { "rx_frame_too_long" }, | |
616 | { "rx_over_errors" }, | |
617 | { "rx_crc_errors" }, | |
618 | { "rx_frame_align_error" }, | |
619 | { "rx_length_error" }, | |
620 | { "rx_unicast" }, | |
621 | { "rx_multicast" }, | |
622 | { "rx_broadcast" }, | |
57fff698 AA |
623 | { "rx_packets" }, |
624 | { "rx_errors_total" }, | |
625 | { "tx_errors_total" }, | |
626 | ||
627 | /* version 2 stats */ | |
628 | { "tx_deferral" }, | |
629 | { "tx_packets" }, | |
52da3578 | 630 | { "rx_bytes" }, |
57fff698 | 631 | { "tx_pause" }, |
52da3578 | 632 | { "rx_pause" }, |
57fff698 | 633 | { "rx_drop_frame" } |
52da3578 AA |
634 | }; |
635 | ||
636 | struct nv_ethtool_stats { | |
637 | u64 tx_bytes; | |
638 | u64 tx_zero_rexmt; | |
639 | u64 tx_one_rexmt; | |
640 | u64 tx_many_rexmt; | |
641 | u64 tx_late_collision; | |
642 | u64 tx_fifo_errors; | |
643 | u64 tx_carrier_errors; | |
644 | u64 tx_excess_deferral; | |
645 | u64 tx_retry_error; | |
52da3578 AA |
646 | u64 rx_frame_error; |
647 | u64 rx_extra_byte; | |
648 | u64 rx_late_collision; | |
649 | u64 rx_runt; | |
650 | u64 rx_frame_too_long; | |
651 | u64 rx_over_errors; | |
652 | u64 rx_crc_errors; | |
653 | u64 rx_frame_align_error; | |
654 | u64 rx_length_error; | |
655 | u64 rx_unicast; | |
656 | u64 rx_multicast; | |
657 | u64 rx_broadcast; | |
57fff698 AA |
658 | u64 rx_packets; |
659 | u64 rx_errors_total; | |
660 | u64 tx_errors_total; | |
661 | ||
662 | /* version 2 stats */ | |
663 | u64 tx_deferral; | |
664 | u64 tx_packets; | |
52da3578 | 665 | u64 rx_bytes; |
57fff698 | 666 | u64 tx_pause; |
52da3578 AA |
667 | u64 rx_pause; |
668 | u64 rx_drop_frame; | |
52da3578 AA |
669 | }; |
670 | ||
57fff698 AA |
671 | #define NV_DEV_STATISTICS_V2_COUNT (sizeof(struct nv_ethtool_stats)/sizeof(u64)) |
672 | #define NV_DEV_STATISTICS_V1_COUNT (NV_DEV_STATISTICS_V2_COUNT - 6) | |
673 | ||
9589c77a AA |
674 | /* diagnostics */ |
675 | #define NV_TEST_COUNT_BASE 3 | |
676 | #define NV_TEST_COUNT_EXTENDED 4 | |
677 | ||
678 | static const struct nv_ethtool_str nv_etests_str[] = { | |
679 | { "link (online/offline)" }, | |
680 | { "register (offline) " }, | |
681 | { "interrupt (offline) " }, | |
682 | { "loopback (offline) " } | |
683 | }; | |
684 | ||
685 | struct register_test { | |
a8bed49e SH |
686 | __le32 reg; |
687 | __le32 mask; | |
9589c77a AA |
688 | }; |
689 | ||
690 | static const struct register_test nv_registers_test[] = { | |
691 | { NvRegUnknownSetupReg6, 0x01 }, | |
692 | { NvRegMisc1, 0x03c }, | |
693 | { NvRegOffloadConfig, 0x03ff }, | |
694 | { NvRegMulticastAddrA, 0xffffffff }, | |
95d161cb | 695 | { NvRegTxWatermark, 0x0ff }, |
9589c77a AA |
696 | { NvRegWakeUpFlags, 0x07777 }, |
697 | { 0,0 } | |
698 | }; | |
699 | ||
761fcd9e AA |
700 | struct nv_skb_map { |
701 | struct sk_buff *skb; | |
702 | dma_addr_t dma; | |
703 | unsigned int dma_len; | |
704 | }; | |
705 | ||
1da177e4 LT |
706 | /* |
707 | * SMP locking: | |
708 | * All hardware access under dev->priv->lock, except the performance | |
709 | * critical parts: | |
710 | * - rx is (pseudo-) lockless: it relies on the single-threading provided | |
711 | * by the arch code for interrupts. | |
932ff279 | 712 | * - tx setup is lockless: it relies on netif_tx_lock. Actual submission |
1da177e4 | 713 | * needs dev->priv->lock :-( |
932ff279 | 714 | * - set_multicast_list: preparation lockless, relies on netif_tx_lock. |
1da177e4 LT |
715 | */ |
716 | ||
717 | /* in dev: base, irq */ | |
718 | struct fe_priv { | |
719 | spinlock_t lock; | |
720 | ||
721 | /* General data: | |
722 | * Locking: spin_lock(&np->lock); */ | |
723 | struct net_device_stats stats; | |
52da3578 | 724 | struct nv_ethtool_stats estats; |
1da177e4 LT |
725 | int in_shutdown; |
726 | u32 linkspeed; | |
727 | int duplex; | |
728 | int autoneg; | |
729 | int fixed_mode; | |
730 | int phyaddr; | |
731 | int wolenabled; | |
732 | unsigned int phy_oui; | |
edf7e5ec | 733 | unsigned int phy_model; |
1da177e4 | 734 | u16 gigabit; |
9589c77a | 735 | int intr_test; |
c5cf9101 | 736 | int recover_error; |
1da177e4 LT |
737 | |
738 | /* General data: RO fields */ | |
739 | dma_addr_t ring_addr; | |
740 | struct pci_dev *pci_dev; | |
741 | u32 orig_mac[2]; | |
742 | u32 irqmask; | |
743 | u32 desc_ver; | |
8a4ae7f2 | 744 | u32 txrxctl_bits; |
ee407b02 | 745 | u32 vlanctl_bits; |
86a0f043 AA |
746 | u32 driver_data; |
747 | u32 register_size; | |
f2ad2d9b | 748 | int rx_csum; |
7e680c22 | 749 | u32 mac_in_use; |
1da177e4 LT |
750 | |
751 | void __iomem *base; | |
752 | ||
753 | /* rx specific fields. | |
754 | * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); | |
755 | */ | |
761fcd9e AA |
756 | union ring_type get_rx, put_rx, first_rx, last_rx; |
757 | struct nv_skb_map *get_rx_ctx, *put_rx_ctx; | |
758 | struct nv_skb_map *first_rx_ctx, *last_rx_ctx; | |
759 | struct nv_skb_map *rx_skb; | |
760 | ||
f82a9352 | 761 | union ring_type rx_ring; |
1da177e4 | 762 | unsigned int rx_buf_sz; |
d81c0983 | 763 | unsigned int pkt_limit; |
1da177e4 LT |
764 | struct timer_list oom_kick; |
765 | struct timer_list nic_poll; | |
52da3578 | 766 | struct timer_list stats_poll; |
d33a73c8 | 767 | u32 nic_poll_irq; |
eafa59f6 | 768 | int rx_ring_size; |
1da177e4 LT |
769 | |
770 | /* media detection workaround. | |
771 | * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); | |
772 | */ | |
773 | int need_linktimer; | |
774 | unsigned long link_timeout; | |
775 | /* | |
776 | * tx specific fields. | |
777 | */ | |
761fcd9e AA |
778 | union ring_type get_tx, put_tx, first_tx, last_tx; |
779 | struct nv_skb_map *get_tx_ctx, *put_tx_ctx; | |
780 | struct nv_skb_map *first_tx_ctx, *last_tx_ctx; | |
781 | struct nv_skb_map *tx_skb; | |
782 | ||
f82a9352 | 783 | union ring_type tx_ring; |
1da177e4 | 784 | u32 tx_flags; |
eafa59f6 | 785 | int tx_ring_size; |
aaa37d2d | 786 | int tx_stop; |
ee407b02 AA |
787 | |
788 | /* vlan fields */ | |
789 | struct vlan_group *vlangrp; | |
d33a73c8 AA |
790 | |
791 | /* msi/msi-x fields */ | |
792 | u32 msi_flags; | |
793 | struct msix_entry msi_x_entry[NV_MSI_X_MAX_VECTORS]; | |
eb91f61b AA |
794 | |
795 | /* flow control */ | |
796 | u32 pause_flags; | |
1da177e4 LT |
797 | }; |
798 | ||
799 | /* | |
800 | * Maximum number of loops until we assume that a bit in the irq mask | |
801 | * is stuck. Overridable with module param. | |
802 | */ | |
803 | static int max_interrupt_work = 5; | |
804 | ||
a971c324 AA |
805 | /* |
806 | * Optimization can be either throuput mode or cpu mode | |
f3b197ac | 807 | * |
a971c324 AA |
808 | * Throughput Mode: Every tx and rx packet will generate an interrupt. |
809 | * CPU Mode: Interrupts are controlled by a timer. | |
810 | */ | |
69fe3fd7 AA |
811 | enum { |
812 | NV_OPTIMIZATION_MODE_THROUGHPUT, | |
813 | NV_OPTIMIZATION_MODE_CPU | |
814 | }; | |
a971c324 AA |
815 | static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; |
816 | ||
817 | /* | |
818 | * Poll interval for timer irq | |
819 | * | |
820 | * This interval determines how frequent an interrupt is generated. | |
821 | * The is value is determined by [(time_in_micro_secs * 100) / (2^10)] | |
822 | * Min = 0, and Max = 65535 | |
823 | */ | |
824 | static int poll_interval = -1; | |
825 | ||
d33a73c8 | 826 | /* |
69fe3fd7 | 827 | * MSI interrupts |
d33a73c8 | 828 | */ |
69fe3fd7 AA |
829 | enum { |
830 | NV_MSI_INT_DISABLED, | |
831 | NV_MSI_INT_ENABLED | |
832 | }; | |
833 | static int msi = NV_MSI_INT_ENABLED; | |
d33a73c8 AA |
834 | |
835 | /* | |
69fe3fd7 | 836 | * MSIX interrupts |
d33a73c8 | 837 | */ |
69fe3fd7 AA |
838 | enum { |
839 | NV_MSIX_INT_DISABLED, | |
840 | NV_MSIX_INT_ENABLED | |
841 | }; | |
caf96469 | 842 | static int msix = NV_MSIX_INT_DISABLED; |
69fe3fd7 AA |
843 | |
844 | /* | |
845 | * DMA 64bit | |
846 | */ | |
847 | enum { | |
848 | NV_DMA_64BIT_DISABLED, | |
849 | NV_DMA_64BIT_ENABLED | |
850 | }; | |
851 | static int dma_64bit = NV_DMA_64BIT_ENABLED; | |
d33a73c8 | 852 | |
1da177e4 LT |
853 | static inline struct fe_priv *get_nvpriv(struct net_device *dev) |
854 | { | |
855 | return netdev_priv(dev); | |
856 | } | |
857 | ||
858 | static inline u8 __iomem *get_hwbase(struct net_device *dev) | |
859 | { | |
ac9c1897 | 860 | return ((struct fe_priv *)netdev_priv(dev))->base; |
1da177e4 LT |
861 | } |
862 | ||
863 | static inline void pci_push(u8 __iomem *base) | |
864 | { | |
865 | /* force out pending posted writes */ | |
866 | readl(base); | |
867 | } | |
868 | ||
869 | static inline u32 nv_descr_getlength(struct ring_desc *prd, u32 v) | |
870 | { | |
f82a9352 | 871 | return le32_to_cpu(prd->flaglen) |
1da177e4 LT |
872 | & ((v == DESC_VER_1) ? LEN_MASK_V1 : LEN_MASK_V2); |
873 | } | |
874 | ||
ee73362c MS |
875 | static inline u32 nv_descr_getlength_ex(struct ring_desc_ex *prd, u32 v) |
876 | { | |
f82a9352 | 877 | return le32_to_cpu(prd->flaglen) & LEN_MASK_V2; |
ee73362c MS |
878 | } |
879 | ||
1da177e4 LT |
880 | static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target, |
881 | int delay, int delaymax, const char *msg) | |
882 | { | |
883 | u8 __iomem *base = get_hwbase(dev); | |
884 | ||
885 | pci_push(base); | |
886 | do { | |
887 | udelay(delay); | |
888 | delaymax -= delay; | |
889 | if (delaymax < 0) { | |
890 | if (msg) | |
891 | printk(msg); | |
892 | return 1; | |
893 | } | |
894 | } while ((readl(base + offset) & mask) != target); | |
895 | return 0; | |
896 | } | |
897 | ||
0832b25a AA |
898 | #define NV_SETUP_RX_RING 0x01 |
899 | #define NV_SETUP_TX_RING 0x02 | |
900 | ||
901 | static void setup_hw_rings(struct net_device *dev, int rxtx_flags) | |
902 | { | |
903 | struct fe_priv *np = get_nvpriv(dev); | |
904 | u8 __iomem *base = get_hwbase(dev); | |
905 | ||
906 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
907 | if (rxtx_flags & NV_SETUP_RX_RING) { | |
908 | writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); | |
909 | } | |
910 | if (rxtx_flags & NV_SETUP_TX_RING) { | |
eafa59f6 | 911 | writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr); |
0832b25a AA |
912 | } |
913 | } else { | |
914 | if (rxtx_flags & NV_SETUP_RX_RING) { | |
915 | writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); | |
916 | writel((u32) (cpu_to_le64(np->ring_addr) >> 32), base + NvRegRxRingPhysAddrHigh); | |
917 | } | |
918 | if (rxtx_flags & NV_SETUP_TX_RING) { | |
eafa59f6 AA |
919 | writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr); |
920 | writel((u32) (cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh); | |
0832b25a AA |
921 | } |
922 | } | |
923 | } | |
924 | ||
eafa59f6 AA |
925 | static void free_rings(struct net_device *dev) |
926 | { | |
927 | struct fe_priv *np = get_nvpriv(dev); | |
928 | ||
929 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 930 | if (np->rx_ring.orig) |
eafa59f6 AA |
931 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
932 | np->rx_ring.orig, np->ring_addr); | |
933 | } else { | |
934 | if (np->rx_ring.ex) | |
935 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), | |
936 | np->rx_ring.ex, np->ring_addr); | |
937 | } | |
761fcd9e AA |
938 | if (np->rx_skb) |
939 | kfree(np->rx_skb); | |
940 | if (np->tx_skb) | |
941 | kfree(np->tx_skb); | |
eafa59f6 AA |
942 | } |
943 | ||
84b3932b AA |
944 | static int using_multi_irqs(struct net_device *dev) |
945 | { | |
946 | struct fe_priv *np = get_nvpriv(dev); | |
947 | ||
948 | if (!(np->msi_flags & NV_MSI_X_ENABLED) || | |
949 | ((np->msi_flags & NV_MSI_X_ENABLED) && | |
950 | ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) | |
951 | return 0; | |
952 | else | |
953 | return 1; | |
954 | } | |
955 | ||
956 | static void nv_enable_irq(struct net_device *dev) | |
957 | { | |
958 | struct fe_priv *np = get_nvpriv(dev); | |
959 | ||
960 | if (!using_multi_irqs(dev)) { | |
961 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
962 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
963 | else | |
964 | enable_irq(dev->irq); | |
965 | } else { | |
966 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
967 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); | |
968 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); | |
969 | } | |
970 | } | |
971 | ||
972 | static void nv_disable_irq(struct net_device *dev) | |
973 | { | |
974 | struct fe_priv *np = get_nvpriv(dev); | |
975 | ||
976 | if (!using_multi_irqs(dev)) { | |
977 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
978 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
979 | else | |
980 | disable_irq(dev->irq); | |
981 | } else { | |
982 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
983 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); | |
984 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); | |
985 | } | |
986 | } | |
987 | ||
988 | /* In MSIX mode, a write to irqmask behaves as XOR */ | |
989 | static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask) | |
990 | { | |
991 | u8 __iomem *base = get_hwbase(dev); | |
992 | ||
993 | writel(mask, base + NvRegIrqMask); | |
994 | } | |
995 | ||
996 | static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask) | |
997 | { | |
998 | struct fe_priv *np = get_nvpriv(dev); | |
999 | u8 __iomem *base = get_hwbase(dev); | |
1000 | ||
1001 | if (np->msi_flags & NV_MSI_X_ENABLED) { | |
1002 | writel(mask, base + NvRegIrqMask); | |
1003 | } else { | |
1004 | if (np->msi_flags & NV_MSI_ENABLED) | |
1005 | writel(0, base + NvRegMSIIrqMask); | |
1006 | writel(0, base + NvRegIrqMask); | |
1007 | } | |
1008 | } | |
1009 | ||
1da177e4 LT |
1010 | #define MII_READ (-1) |
1011 | /* mii_rw: read/write a register on the PHY. | |
1012 | * | |
1013 | * Caller must guarantee serialization | |
1014 | */ | |
1015 | static int mii_rw(struct net_device *dev, int addr, int miireg, int value) | |
1016 | { | |
1017 | u8 __iomem *base = get_hwbase(dev); | |
1018 | u32 reg; | |
1019 | int retval; | |
1020 | ||
1021 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); | |
1022 | ||
1023 | reg = readl(base + NvRegMIIControl); | |
1024 | if (reg & NVREG_MIICTL_INUSE) { | |
1025 | writel(NVREG_MIICTL_INUSE, base + NvRegMIIControl); | |
1026 | udelay(NV_MIIBUSY_DELAY); | |
1027 | } | |
1028 | ||
1029 | reg = (addr << NVREG_MIICTL_ADDRSHIFT) | miireg; | |
1030 | if (value != MII_READ) { | |
1031 | writel(value, base + NvRegMIIData); | |
1032 | reg |= NVREG_MIICTL_WRITE; | |
1033 | } | |
1034 | writel(reg, base + NvRegMIIControl); | |
1035 | ||
1036 | if (reg_delay(dev, NvRegMIIControl, NVREG_MIICTL_INUSE, 0, | |
1037 | NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, NULL)) { | |
1038 | dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d timed out.\n", | |
1039 | dev->name, miireg, addr); | |
1040 | retval = -1; | |
1041 | } else if (value != MII_READ) { | |
1042 | /* it was a write operation - fewer failures are detectable */ | |
1043 | dprintk(KERN_DEBUG "%s: mii_rw wrote 0x%x to reg %d at PHY %d\n", | |
1044 | dev->name, value, miireg, addr); | |
1045 | retval = 0; | |
1046 | } else if (readl(base + NvRegMIIStatus) & NVREG_MIISTAT_ERROR) { | |
1047 | dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d failed.\n", | |
1048 | dev->name, miireg, addr); | |
1049 | retval = -1; | |
1050 | } else { | |
1051 | retval = readl(base + NvRegMIIData); | |
1052 | dprintk(KERN_DEBUG "%s: mii_rw read from reg %d at PHY %d: 0x%x.\n", | |
1053 | dev->name, miireg, addr, retval); | |
1054 | } | |
1055 | ||
1056 | return retval; | |
1057 | } | |
1058 | ||
edf7e5ec | 1059 | static int phy_reset(struct net_device *dev, u32 bmcr_setup) |
1da177e4 | 1060 | { |
ac9c1897 | 1061 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
1062 | u32 miicontrol; |
1063 | unsigned int tries = 0; | |
1064 | ||
edf7e5ec | 1065 | miicontrol = BMCR_RESET | bmcr_setup; |
1da177e4 LT |
1066 | if (mii_rw(dev, np->phyaddr, MII_BMCR, miicontrol)) { |
1067 | return -1; | |
1068 | } | |
1069 | ||
1070 | /* wait for 500ms */ | |
1071 | msleep(500); | |
1072 | ||
1073 | /* must wait till reset is deasserted */ | |
1074 | while (miicontrol & BMCR_RESET) { | |
1075 | msleep(10); | |
1076 | miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
1077 | /* FIXME: 100 tries seem excessive */ | |
1078 | if (tries++ > 100) | |
1079 | return -1; | |
1080 | } | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int phy_init(struct net_device *dev) | |
1085 | { | |
1086 | struct fe_priv *np = get_nvpriv(dev); | |
1087 | u8 __iomem *base = get_hwbase(dev); | |
1088 | u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000,reg; | |
1089 | ||
edf7e5ec AA |
1090 | /* phy errata for E3016 phy */ |
1091 | if (np->phy_model == PHY_MODEL_MARVELL_E3016) { | |
1092 | reg = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); | |
1093 | reg &= ~PHY_MARVELL_E3016_INITMASK; | |
1094 | if (mii_rw(dev, np->phyaddr, MII_NCONFIG, reg)) { | |
1095 | printk(KERN_INFO "%s: phy write to errata reg failed.\n", pci_name(np->pci_dev)); | |
1096 | return PHY_ERROR; | |
1097 | } | |
1098 | } | |
1099 | ||
1da177e4 LT |
1100 | /* set advertise register */ |
1101 | reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
eb91f61b | 1102 | reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP); |
1da177e4 LT |
1103 | if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) { |
1104 | printk(KERN_INFO "%s: phy write to advertise failed.\n", pci_name(np->pci_dev)); | |
1105 | return PHY_ERROR; | |
1106 | } | |
1107 | ||
1108 | /* get phy interface type */ | |
1109 | phyinterface = readl(base + NvRegPhyInterface); | |
1110 | ||
1111 | /* see if gigabit phy */ | |
1112 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
1113 | if (mii_status & PHY_GIGABIT) { | |
1114 | np->gigabit = PHY_GIGABIT; | |
eb91f61b | 1115 | mii_control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
1da177e4 LT |
1116 | mii_control_1000 &= ~ADVERTISE_1000HALF; |
1117 | if (phyinterface & PHY_RGMII) | |
1118 | mii_control_1000 |= ADVERTISE_1000FULL; | |
1119 | else | |
1120 | mii_control_1000 &= ~ADVERTISE_1000FULL; | |
1121 | ||
eb91f61b | 1122 | if (mii_rw(dev, np->phyaddr, MII_CTRL1000, mii_control_1000)) { |
1da177e4 LT |
1123 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
1124 | return PHY_ERROR; | |
1125 | } | |
1126 | } | |
1127 | else | |
1128 | np->gigabit = 0; | |
1129 | ||
edf7e5ec AA |
1130 | mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
1131 | mii_control |= BMCR_ANENABLE; | |
1132 | ||
1133 | /* reset the phy | |
1134 | * (certain phys need bmcr to be setup with reset) | |
1135 | */ | |
1136 | if (phy_reset(dev, mii_control)) { | |
1da177e4 LT |
1137 | printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev)); |
1138 | return PHY_ERROR; | |
1139 | } | |
1140 | ||
1141 | /* phy vendor specific configuration */ | |
1142 | if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII) ) { | |
1143 | phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ); | |
1144 | phy_reserved &= ~(PHY_INIT1 | PHY_INIT2); | |
1145 | phy_reserved |= (PHY_INIT3 | PHY_INIT4); | |
1146 | if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) { | |
1147 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1148 | return PHY_ERROR; | |
1149 | } | |
1150 | phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); | |
1151 | phy_reserved |= PHY_INIT5; | |
1152 | if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) { | |
1153 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1154 | return PHY_ERROR; | |
1155 | } | |
1156 | } | |
1157 | if (np->phy_oui == PHY_OUI_CICADA) { | |
1158 | phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ); | |
1159 | phy_reserved |= PHY_INIT6; | |
1160 | if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) { | |
1161 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1162 | return PHY_ERROR; | |
1163 | } | |
1164 | } | |
eb91f61b AA |
1165 | /* some phys clear out pause advertisment on reset, set it back */ |
1166 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg); | |
1da177e4 LT |
1167 | |
1168 | /* restart auto negotiation */ | |
1169 | mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
1170 | mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); | |
1171 | if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) { | |
1172 | return PHY_ERROR; | |
1173 | } | |
1174 | ||
1175 | return 0; | |
1176 | } | |
1177 | ||
1178 | static void nv_start_rx(struct net_device *dev) | |
1179 | { | |
ac9c1897 | 1180 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1181 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1182 | u32 rx_ctrl = readl(base + NvRegReceiverControl); |
1da177e4 LT |
1183 | |
1184 | dprintk(KERN_DEBUG "%s: nv_start_rx\n", dev->name); | |
1185 | /* Already running? Stop it. */ | |
f35723ec AA |
1186 | if ((readl(base + NvRegReceiverControl) & NVREG_RCVCTL_START) && !np->mac_in_use) { |
1187 | rx_ctrl &= ~NVREG_RCVCTL_START; | |
1188 | writel(rx_ctrl, base + NvRegReceiverControl); | |
1da177e4 LT |
1189 | pci_push(base); |
1190 | } | |
1191 | writel(np->linkspeed, base + NvRegLinkSpeed); | |
1192 | pci_push(base); | |
f35723ec AA |
1193 | rx_ctrl |= NVREG_RCVCTL_START; |
1194 | if (np->mac_in_use) | |
1195 | rx_ctrl &= ~NVREG_RCVCTL_RX_PATH_EN; | |
1196 | writel(rx_ctrl, base + NvRegReceiverControl); | |
1da177e4 LT |
1197 | dprintk(KERN_DEBUG "%s: nv_start_rx to duplex %d, speed 0x%08x.\n", |
1198 | dev->name, np->duplex, np->linkspeed); | |
1199 | pci_push(base); | |
1200 | } | |
1201 | ||
1202 | static void nv_stop_rx(struct net_device *dev) | |
1203 | { | |
f35723ec | 1204 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1205 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1206 | u32 rx_ctrl = readl(base + NvRegReceiverControl); |
1da177e4 LT |
1207 | |
1208 | dprintk(KERN_DEBUG "%s: nv_stop_rx\n", dev->name); | |
f35723ec AA |
1209 | if (!np->mac_in_use) |
1210 | rx_ctrl &= ~NVREG_RCVCTL_START; | |
1211 | else | |
1212 | rx_ctrl |= NVREG_RCVCTL_RX_PATH_EN; | |
1213 | writel(rx_ctrl, base + NvRegReceiverControl); | |
1da177e4 LT |
1214 | reg_delay(dev, NvRegReceiverStatus, NVREG_RCVSTAT_BUSY, 0, |
1215 | NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, | |
1216 | KERN_INFO "nv_stop_rx: ReceiverStatus remained busy"); | |
1217 | ||
1218 | udelay(NV_RXSTOP_DELAY2); | |
f35723ec AA |
1219 | if (!np->mac_in_use) |
1220 | writel(0, base + NvRegLinkSpeed); | |
1da177e4 LT |
1221 | } |
1222 | ||
1223 | static void nv_start_tx(struct net_device *dev) | |
1224 | { | |
f35723ec | 1225 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1226 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1227 | u32 tx_ctrl = readl(base + NvRegTransmitterControl); |
1da177e4 LT |
1228 | |
1229 | dprintk(KERN_DEBUG "%s: nv_start_tx\n", dev->name); | |
f35723ec AA |
1230 | tx_ctrl |= NVREG_XMITCTL_START; |
1231 | if (np->mac_in_use) | |
1232 | tx_ctrl &= ~NVREG_XMITCTL_TX_PATH_EN; | |
1233 | writel(tx_ctrl, base + NvRegTransmitterControl); | |
1da177e4 LT |
1234 | pci_push(base); |
1235 | } | |
1236 | ||
1237 | static void nv_stop_tx(struct net_device *dev) | |
1238 | { | |
f35723ec | 1239 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1240 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1241 | u32 tx_ctrl = readl(base + NvRegTransmitterControl); |
1da177e4 LT |
1242 | |
1243 | dprintk(KERN_DEBUG "%s: nv_stop_tx\n", dev->name); | |
f35723ec AA |
1244 | if (!np->mac_in_use) |
1245 | tx_ctrl &= ~NVREG_XMITCTL_START; | |
1246 | else | |
1247 | tx_ctrl |= NVREG_XMITCTL_TX_PATH_EN; | |
1248 | writel(tx_ctrl, base + NvRegTransmitterControl); | |
1da177e4 LT |
1249 | reg_delay(dev, NvRegTransmitterStatus, NVREG_XMITSTAT_BUSY, 0, |
1250 | NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX, | |
1251 | KERN_INFO "nv_stop_tx: TransmitterStatus remained busy"); | |
1252 | ||
1253 | udelay(NV_TXSTOP_DELAY2); | |
f35723ec AA |
1254 | if (!np->mac_in_use) |
1255 | writel(readl(base + NvRegTransmitPoll) & NVREG_TRANSMITPOLL_MAC_ADDR_REV, | |
1256 | base + NvRegTransmitPoll); | |
1da177e4 LT |
1257 | } |
1258 | ||
1259 | static void nv_txrx_reset(struct net_device *dev) | |
1260 | { | |
ac9c1897 | 1261 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
1262 | u8 __iomem *base = get_hwbase(dev); |
1263 | ||
1264 | dprintk(KERN_DEBUG "%s: nv_txrx_reset\n", dev->name); | |
8a4ae7f2 | 1265 | writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
1da177e4 LT |
1266 | pci_push(base); |
1267 | udelay(NV_TXRX_RESET_DELAY); | |
8a4ae7f2 | 1268 | writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
1da177e4 LT |
1269 | pci_push(base); |
1270 | } | |
1271 | ||
86a0f043 AA |
1272 | static void nv_mac_reset(struct net_device *dev) |
1273 | { | |
1274 | struct fe_priv *np = netdev_priv(dev); | |
1275 | u8 __iomem *base = get_hwbase(dev); | |
1276 | ||
1277 | dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name); | |
1278 | writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); | |
1279 | pci_push(base); | |
1280 | writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset); | |
1281 | pci_push(base); | |
1282 | udelay(NV_MAC_RESET_DELAY); | |
1283 | writel(0, base + NvRegMacReset); | |
1284 | pci_push(base); | |
1285 | udelay(NV_MAC_RESET_DELAY); | |
1286 | writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); | |
1287 | pci_push(base); | |
1288 | } | |
1289 | ||
57fff698 AA |
1290 | static void nv_get_hw_stats(struct net_device *dev) |
1291 | { | |
1292 | struct fe_priv *np = netdev_priv(dev); | |
1293 | u8 __iomem *base = get_hwbase(dev); | |
1294 | ||
1295 | np->estats.tx_bytes += readl(base + NvRegTxCnt); | |
1296 | np->estats.tx_zero_rexmt += readl(base + NvRegTxZeroReXmt); | |
1297 | np->estats.tx_one_rexmt += readl(base + NvRegTxOneReXmt); | |
1298 | np->estats.tx_many_rexmt += readl(base + NvRegTxManyReXmt); | |
1299 | np->estats.tx_late_collision += readl(base + NvRegTxLateCol); | |
1300 | np->estats.tx_fifo_errors += readl(base + NvRegTxUnderflow); | |
1301 | np->estats.tx_carrier_errors += readl(base + NvRegTxLossCarrier); | |
1302 | np->estats.tx_excess_deferral += readl(base + NvRegTxExcessDef); | |
1303 | np->estats.tx_retry_error += readl(base + NvRegTxRetryErr); | |
1304 | np->estats.rx_frame_error += readl(base + NvRegRxFrameErr); | |
1305 | np->estats.rx_extra_byte += readl(base + NvRegRxExtraByte); | |
1306 | np->estats.rx_late_collision += readl(base + NvRegRxLateCol); | |
1307 | np->estats.rx_runt += readl(base + NvRegRxRunt); | |
1308 | np->estats.rx_frame_too_long += readl(base + NvRegRxFrameTooLong); | |
1309 | np->estats.rx_over_errors += readl(base + NvRegRxOverflow); | |
1310 | np->estats.rx_crc_errors += readl(base + NvRegRxFCSErr); | |
1311 | np->estats.rx_frame_align_error += readl(base + NvRegRxFrameAlignErr); | |
1312 | np->estats.rx_length_error += readl(base + NvRegRxLenErr); | |
1313 | np->estats.rx_unicast += readl(base + NvRegRxUnicast); | |
1314 | np->estats.rx_multicast += readl(base + NvRegRxMulticast); | |
1315 | np->estats.rx_broadcast += readl(base + NvRegRxBroadcast); | |
1316 | np->estats.rx_packets = | |
1317 | np->estats.rx_unicast + | |
1318 | np->estats.rx_multicast + | |
1319 | np->estats.rx_broadcast; | |
1320 | np->estats.rx_errors_total = | |
1321 | np->estats.rx_crc_errors + | |
1322 | np->estats.rx_over_errors + | |
1323 | np->estats.rx_frame_error + | |
1324 | (np->estats.rx_frame_align_error - np->estats.rx_extra_byte) + | |
1325 | np->estats.rx_late_collision + | |
1326 | np->estats.rx_runt + | |
1327 | np->estats.rx_frame_too_long; | |
1328 | np->estats.tx_errors_total = | |
1329 | np->estats.tx_late_collision + | |
1330 | np->estats.tx_fifo_errors + | |
1331 | np->estats.tx_carrier_errors + | |
1332 | np->estats.tx_excess_deferral + | |
1333 | np->estats.tx_retry_error; | |
1334 | ||
1335 | if (np->driver_data & DEV_HAS_STATISTICS_V2) { | |
1336 | np->estats.tx_deferral += readl(base + NvRegTxDef); | |
1337 | np->estats.tx_packets += readl(base + NvRegTxFrame); | |
1338 | np->estats.rx_bytes += readl(base + NvRegRxCnt); | |
1339 | np->estats.tx_pause += readl(base + NvRegTxPause); | |
1340 | np->estats.rx_pause += readl(base + NvRegRxPause); | |
1341 | np->estats.rx_drop_frame += readl(base + NvRegRxDropFrame); | |
1342 | } | |
1343 | } | |
1344 | ||
1da177e4 LT |
1345 | /* |
1346 | * nv_get_stats: dev->get_stats function | |
1347 | * Get latest stats value from the nic. | |
1348 | * Called with read_lock(&dev_base_lock) held for read - | |
1349 | * only synchronized against unregister_netdevice. | |
1350 | */ | |
1351 | static struct net_device_stats *nv_get_stats(struct net_device *dev) | |
1352 | { | |
ac9c1897 | 1353 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1354 | |
21828163 AA |
1355 | /* If the nic supports hw counters then retrieve latest values */ |
1356 | if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2)) { | |
1357 | nv_get_hw_stats(dev); | |
1358 | ||
1359 | /* copy to net_device stats */ | |
1360 | np->stats.tx_bytes = np->estats.tx_bytes; | |
1361 | np->stats.tx_fifo_errors = np->estats.tx_fifo_errors; | |
1362 | np->stats.tx_carrier_errors = np->estats.tx_carrier_errors; | |
1363 | np->stats.rx_crc_errors = np->estats.rx_crc_errors; | |
1364 | np->stats.rx_over_errors = np->estats.rx_over_errors; | |
1365 | np->stats.rx_errors = np->estats.rx_errors_total; | |
1366 | np->stats.tx_errors = np->estats.tx_errors_total; | |
1367 | } | |
1da177e4 LT |
1368 | return &np->stats; |
1369 | } | |
1370 | ||
1371 | /* | |
1372 | * nv_alloc_rx: fill rx ring entries. | |
1373 | * Return 1 if the allocations for the skbs failed and the | |
1374 | * rx engine is without Available descriptors | |
1375 | */ | |
1376 | static int nv_alloc_rx(struct net_device *dev) | |
1377 | { | |
ac9c1897 | 1378 | struct fe_priv *np = netdev_priv(dev); |
86b22b0d | 1379 | struct ring_desc* less_rx; |
1da177e4 | 1380 | |
86b22b0d AA |
1381 | less_rx = np->get_rx.orig; |
1382 | if (less_rx-- == np->first_rx.orig) | |
1383 | less_rx = np->last_rx.orig; | |
761fcd9e | 1384 | |
86b22b0d AA |
1385 | while (np->put_rx.orig != less_rx) { |
1386 | struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); | |
1387 | if (skb) { | |
86b22b0d | 1388 | np->put_rx_ctx->skb = skb; |
4305b541 ACM |
1389 | np->put_rx_ctx->dma = pci_map_single(np->pci_dev, |
1390 | skb->data, | |
8b5be268 | 1391 | skb_tailroom(skb), |
4305b541 | 1392 | PCI_DMA_FROMDEVICE); |
8b5be268 | 1393 | np->put_rx_ctx->dma_len = skb_tailroom(skb); |
86b22b0d AA |
1394 | np->put_rx.orig->buf = cpu_to_le32(np->put_rx_ctx->dma); |
1395 | wmb(); | |
1396 | np->put_rx.orig->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX_AVAIL); | |
b01867cb | 1397 | if (unlikely(np->put_rx.orig++ == np->last_rx.orig)) |
86b22b0d | 1398 | np->put_rx.orig = np->first_rx.orig; |
b01867cb | 1399 | if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx)) |
86b22b0d | 1400 | np->put_rx_ctx = np->first_rx_ctx; |
761fcd9e | 1401 | } else { |
86b22b0d | 1402 | return 1; |
761fcd9e | 1403 | } |
86b22b0d AA |
1404 | } |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int nv_alloc_rx_optimized(struct net_device *dev) | |
1409 | { | |
1410 | struct fe_priv *np = netdev_priv(dev); | |
1411 | struct ring_desc_ex* less_rx; | |
1412 | ||
1413 | less_rx = np->get_rx.ex; | |
1414 | if (less_rx-- == np->first_rx.ex) | |
1415 | less_rx = np->last_rx.ex; | |
761fcd9e | 1416 | |
86b22b0d AA |
1417 | while (np->put_rx.ex != less_rx) { |
1418 | struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); | |
0d63fb32 | 1419 | if (skb) { |
761fcd9e | 1420 | np->put_rx_ctx->skb = skb; |
4305b541 ACM |
1421 | np->put_rx_ctx->dma = pci_map_single(np->pci_dev, |
1422 | skb->data, | |
8b5be268 | 1423 | skb_tailroom(skb), |
4305b541 | 1424 | PCI_DMA_FROMDEVICE); |
8b5be268 | 1425 | np->put_rx_ctx->dma_len = skb_tailroom(skb); |
86b22b0d AA |
1426 | np->put_rx.ex->bufhigh = cpu_to_le64(np->put_rx_ctx->dma) >> 32; |
1427 | np->put_rx.ex->buflow = cpu_to_le64(np->put_rx_ctx->dma) & 0x0FFFFFFFF; | |
1428 | wmb(); | |
1429 | np->put_rx.ex->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX2_AVAIL); | |
b01867cb | 1430 | if (unlikely(np->put_rx.ex++ == np->last_rx.ex)) |
86b22b0d | 1431 | np->put_rx.ex = np->first_rx.ex; |
b01867cb | 1432 | if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx)) |
0d63fb32 | 1433 | np->put_rx_ctx = np->first_rx_ctx; |
1da177e4 | 1434 | } else { |
0d63fb32 | 1435 | return 1; |
ee73362c | 1436 | } |
1da177e4 | 1437 | } |
1da177e4 LT |
1438 | return 0; |
1439 | } | |
1440 | ||
e27cdba5 SH |
1441 | /* If rx bufs are exhausted called after 50ms to attempt to refresh */ |
1442 | #ifdef CONFIG_FORCEDETH_NAPI | |
1443 | static void nv_do_rx_refill(unsigned long data) | |
1444 | { | |
1445 | struct net_device *dev = (struct net_device *) data; | |
1446 | ||
1447 | /* Just reschedule NAPI rx processing */ | |
1448 | netif_rx_schedule(dev); | |
1449 | } | |
1450 | #else | |
1da177e4 LT |
1451 | static void nv_do_rx_refill(unsigned long data) |
1452 | { | |
1453 | struct net_device *dev = (struct net_device *) data; | |
ac9c1897 | 1454 | struct fe_priv *np = netdev_priv(dev); |
86b22b0d | 1455 | int retcode; |
1da177e4 | 1456 | |
84b3932b AA |
1457 | if (!using_multi_irqs(dev)) { |
1458 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1459 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
1460 | else | |
1461 | disable_irq(dev->irq); | |
d33a73c8 AA |
1462 | } else { |
1463 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
1464 | } | |
86b22b0d AA |
1465 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
1466 | retcode = nv_alloc_rx(dev); | |
1467 | else | |
1468 | retcode = nv_alloc_rx_optimized(dev); | |
1469 | if (retcode) { | |
84b3932b | 1470 | spin_lock_irq(&np->lock); |
1da177e4 LT |
1471 | if (!np->in_shutdown) |
1472 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
84b3932b | 1473 | spin_unlock_irq(&np->lock); |
1da177e4 | 1474 | } |
84b3932b AA |
1475 | if (!using_multi_irqs(dev)) { |
1476 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1477 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
1478 | else | |
1479 | enable_irq(dev->irq); | |
d33a73c8 AA |
1480 | } else { |
1481 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
1482 | } | |
1da177e4 | 1483 | } |
e27cdba5 | 1484 | #endif |
1da177e4 | 1485 | |
f3b197ac | 1486 | static void nv_init_rx(struct net_device *dev) |
1da177e4 | 1487 | { |
ac9c1897 | 1488 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1489 | int i; |
761fcd9e AA |
1490 | np->get_rx = np->put_rx = np->first_rx = np->rx_ring; |
1491 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) | |
1492 | np->last_rx.orig = &np->rx_ring.orig[np->rx_ring_size-1]; | |
1493 | else | |
1494 | np->last_rx.ex = &np->rx_ring.ex[np->rx_ring_size-1]; | |
1495 | np->get_rx_ctx = np->put_rx_ctx = np->first_rx_ctx = np->rx_skb; | |
1496 | np->last_rx_ctx = &np->rx_skb[np->rx_ring_size-1]; | |
1da177e4 | 1497 | |
761fcd9e AA |
1498 | for (i = 0; i < np->rx_ring_size; i++) { |
1499 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 1500 | np->rx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1501 | np->rx_ring.orig[i].buf = 0; |
1502 | } else { | |
f82a9352 | 1503 | np->rx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1504 | np->rx_ring.ex[i].txvlan = 0; |
1505 | np->rx_ring.ex[i].bufhigh = 0; | |
1506 | np->rx_ring.ex[i].buflow = 0; | |
1507 | } | |
1508 | np->rx_skb[i].skb = NULL; | |
1509 | np->rx_skb[i].dma = 0; | |
1510 | } | |
d81c0983 MS |
1511 | } |
1512 | ||
1513 | static void nv_init_tx(struct net_device *dev) | |
1514 | { | |
ac9c1897 | 1515 | struct fe_priv *np = netdev_priv(dev); |
d81c0983 | 1516 | int i; |
761fcd9e AA |
1517 | np->get_tx = np->put_tx = np->first_tx = np->tx_ring; |
1518 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) | |
1519 | np->last_tx.orig = &np->tx_ring.orig[np->tx_ring_size-1]; | |
1520 | else | |
1521 | np->last_tx.ex = &np->tx_ring.ex[np->tx_ring_size-1]; | |
1522 | np->get_tx_ctx = np->put_tx_ctx = np->first_tx_ctx = np->tx_skb; | |
1523 | np->last_tx_ctx = &np->tx_skb[np->tx_ring_size-1]; | |
d81c0983 | 1524 | |
eafa59f6 | 1525 | for (i = 0; i < np->tx_ring_size; i++) { |
761fcd9e | 1526 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
f82a9352 | 1527 | np->tx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1528 | np->tx_ring.orig[i].buf = 0; |
1529 | } else { | |
f82a9352 | 1530 | np->tx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1531 | np->tx_ring.ex[i].txvlan = 0; |
1532 | np->tx_ring.ex[i].bufhigh = 0; | |
1533 | np->tx_ring.ex[i].buflow = 0; | |
1534 | } | |
1535 | np->tx_skb[i].skb = NULL; | |
1536 | np->tx_skb[i].dma = 0; | |
ac9c1897 | 1537 | } |
d81c0983 MS |
1538 | } |
1539 | ||
1540 | static int nv_init_ring(struct net_device *dev) | |
1541 | { | |
86b22b0d AA |
1542 | struct fe_priv *np = netdev_priv(dev); |
1543 | ||
d81c0983 MS |
1544 | nv_init_tx(dev); |
1545 | nv_init_rx(dev); | |
86b22b0d AA |
1546 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
1547 | return nv_alloc_rx(dev); | |
1548 | else | |
1549 | return nv_alloc_rx_optimized(dev); | |
1da177e4 LT |
1550 | } |
1551 | ||
761fcd9e | 1552 | static int nv_release_txskb(struct net_device *dev, struct nv_skb_map* tx_skb) |
ac9c1897 AA |
1553 | { |
1554 | struct fe_priv *np = netdev_priv(dev); | |
fa45459e | 1555 | |
761fcd9e AA |
1556 | if (tx_skb->dma) { |
1557 | pci_unmap_page(np->pci_dev, tx_skb->dma, | |
1558 | tx_skb->dma_len, | |
fa45459e | 1559 | PCI_DMA_TODEVICE); |
761fcd9e | 1560 | tx_skb->dma = 0; |
fa45459e | 1561 | } |
761fcd9e AA |
1562 | if (tx_skb->skb) { |
1563 | dev_kfree_skb_any(tx_skb->skb); | |
1564 | tx_skb->skb = NULL; | |
fa45459e AA |
1565 | return 1; |
1566 | } else { | |
1567 | return 0; | |
ac9c1897 | 1568 | } |
ac9c1897 AA |
1569 | } |
1570 | ||
1da177e4 LT |
1571 | static void nv_drain_tx(struct net_device *dev) |
1572 | { | |
ac9c1897 AA |
1573 | struct fe_priv *np = netdev_priv(dev); |
1574 | unsigned int i; | |
f3b197ac | 1575 | |
eafa59f6 | 1576 | for (i = 0; i < np->tx_ring_size; i++) { |
761fcd9e | 1577 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
f82a9352 | 1578 | np->tx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1579 | np->tx_ring.orig[i].buf = 0; |
1580 | } else { | |
f82a9352 | 1581 | np->tx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1582 | np->tx_ring.ex[i].txvlan = 0; |
1583 | np->tx_ring.ex[i].bufhigh = 0; | |
1584 | np->tx_ring.ex[i].buflow = 0; | |
1585 | } | |
1586 | if (nv_release_txskb(dev, &np->tx_skb[i])) | |
1da177e4 | 1587 | np->stats.tx_dropped++; |
1da177e4 LT |
1588 | } |
1589 | } | |
1590 | ||
1591 | static void nv_drain_rx(struct net_device *dev) | |
1592 | { | |
ac9c1897 | 1593 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1594 | int i; |
761fcd9e | 1595 | |
eafa59f6 | 1596 | for (i = 0; i < np->rx_ring_size; i++) { |
761fcd9e | 1597 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
f82a9352 | 1598 | np->rx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1599 | np->rx_ring.orig[i].buf = 0; |
1600 | } else { | |
f82a9352 | 1601 | np->rx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1602 | np->rx_ring.ex[i].txvlan = 0; |
1603 | np->rx_ring.ex[i].bufhigh = 0; | |
1604 | np->rx_ring.ex[i].buflow = 0; | |
1605 | } | |
1da177e4 | 1606 | wmb(); |
761fcd9e AA |
1607 | if (np->rx_skb[i].skb) { |
1608 | pci_unmap_single(np->pci_dev, np->rx_skb[i].dma, | |
4305b541 ACM |
1609 | (skb_end_pointer(np->rx_skb[i].skb) - |
1610 | np->rx_skb[i].skb->data), | |
1611 | PCI_DMA_FROMDEVICE); | |
761fcd9e AA |
1612 | dev_kfree_skb(np->rx_skb[i].skb); |
1613 | np->rx_skb[i].skb = NULL; | |
1da177e4 LT |
1614 | } |
1615 | } | |
1616 | } | |
1617 | ||
1618 | static void drain_ring(struct net_device *dev) | |
1619 | { | |
1620 | nv_drain_tx(dev); | |
1621 | nv_drain_rx(dev); | |
1622 | } | |
1623 | ||
761fcd9e AA |
1624 | static inline u32 nv_get_empty_tx_slots(struct fe_priv *np) |
1625 | { | |
1626 | return (u32)(np->tx_ring_size - ((np->tx_ring_size + (np->put_tx_ctx - np->get_tx_ctx)) % np->tx_ring_size)); | |
1627 | } | |
1628 | ||
1da177e4 LT |
1629 | /* |
1630 | * nv_start_xmit: dev->hard_start_xmit function | |
932ff279 | 1631 | * Called with netif_tx_lock held. |
1da177e4 LT |
1632 | */ |
1633 | static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
1634 | { | |
ac9c1897 | 1635 | struct fe_priv *np = netdev_priv(dev); |
fa45459e | 1636 | u32 tx_flags = 0; |
ac9c1897 AA |
1637 | u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); |
1638 | unsigned int fragments = skb_shinfo(skb)->nr_frags; | |
ac9c1897 | 1639 | unsigned int i; |
fa45459e AA |
1640 | u32 offset = 0; |
1641 | u32 bcnt; | |
1642 | u32 size = skb->len-skb->data_len; | |
1643 | u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
761fcd9e | 1644 | u32 empty_slots; |
86b22b0d AA |
1645 | struct ring_desc* put_tx; |
1646 | struct ring_desc* start_tx; | |
1647 | struct ring_desc* prev_tx; | |
761fcd9e | 1648 | struct nv_skb_map* prev_tx_ctx; |
fa45459e AA |
1649 | |
1650 | /* add fragments to entries count */ | |
1651 | for (i = 0; i < fragments; i++) { | |
1652 | entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + | |
1653 | ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
1654 | } | |
ac9c1897 | 1655 | |
761fcd9e | 1656 | empty_slots = nv_get_empty_tx_slots(np); |
445583b8 | 1657 | if (unlikely(empty_slots <= entries)) { |
164a86e4 | 1658 | spin_lock_irq(&np->lock); |
ac9c1897 | 1659 | netif_stop_queue(dev); |
aaa37d2d | 1660 | np->tx_stop = 1; |
164a86e4 | 1661 | spin_unlock_irq(&np->lock); |
ac9c1897 AA |
1662 | return NETDEV_TX_BUSY; |
1663 | } | |
1da177e4 | 1664 | |
86b22b0d | 1665 | start_tx = put_tx = np->put_tx.orig; |
761fcd9e | 1666 | |
fa45459e AA |
1667 | /* setup the header buffer */ |
1668 | do { | |
761fcd9e AA |
1669 | prev_tx = put_tx; |
1670 | prev_tx_ctx = np->put_tx_ctx; | |
fa45459e | 1671 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
761fcd9e | 1672 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, |
fa45459e | 1673 | PCI_DMA_TODEVICE); |
761fcd9e | 1674 | np->put_tx_ctx->dma_len = bcnt; |
86b22b0d AA |
1675 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); |
1676 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | |
445583b8 | 1677 | |
fa45459e AA |
1678 | tx_flags = np->tx_flags; |
1679 | offset += bcnt; | |
1680 | size -= bcnt; | |
445583b8 | 1681 | if (unlikely(put_tx++ == np->last_tx.orig)) |
86b22b0d | 1682 | put_tx = np->first_tx.orig; |
445583b8 | 1683 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
761fcd9e | 1684 | np->put_tx_ctx = np->first_tx_ctx; |
f82a9352 | 1685 | } while (size); |
fa45459e AA |
1686 | |
1687 | /* setup the fragments */ | |
1688 | for (i = 0; i < fragments; i++) { | |
1689 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
1690 | u32 size = frag->size; | |
1691 | offset = 0; | |
1692 | ||
1693 | do { | |
761fcd9e AA |
1694 | prev_tx = put_tx; |
1695 | prev_tx_ctx = np->put_tx_ctx; | |
fa45459e | 1696 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
761fcd9e AA |
1697 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, |
1698 | PCI_DMA_TODEVICE); | |
1699 | np->put_tx_ctx->dma_len = bcnt; | |
86b22b0d AA |
1700 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); |
1701 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | |
445583b8 | 1702 | |
fa45459e AA |
1703 | offset += bcnt; |
1704 | size -= bcnt; | |
445583b8 | 1705 | if (unlikely(put_tx++ == np->last_tx.orig)) |
86b22b0d | 1706 | put_tx = np->first_tx.orig; |
445583b8 | 1707 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
761fcd9e | 1708 | np->put_tx_ctx = np->first_tx_ctx; |
fa45459e AA |
1709 | } while (size); |
1710 | } | |
ac9c1897 | 1711 | |
fa45459e | 1712 | /* set last fragment flag */ |
86b22b0d | 1713 | prev_tx->flaglen |= cpu_to_le32(tx_flags_extra); |
ac9c1897 | 1714 | |
761fcd9e AA |
1715 | /* save skb in this slot's context area */ |
1716 | prev_tx_ctx->skb = skb; | |
fa45459e | 1717 | |
89114afd | 1718 | if (skb_is_gso(skb)) |
7967168c | 1719 | tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT); |
ac9c1897 | 1720 | else |
1d39ed56 | 1721 | tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ? |
84fa7933 | 1722 | NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0; |
ac9c1897 | 1723 | |
164a86e4 AA |
1724 | spin_lock_irq(&np->lock); |
1725 | ||
fa45459e | 1726 | /* set tx flags */ |
86b22b0d AA |
1727 | start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); |
1728 | np->put_tx.orig = put_tx; | |
1da177e4 | 1729 | |
164a86e4 | 1730 | spin_unlock_irq(&np->lock); |
761fcd9e AA |
1731 | |
1732 | dprintk(KERN_DEBUG "%s: nv_start_xmit: entries %d queued for transmission. tx_flags_extra: %x\n", | |
1733 | dev->name, entries, tx_flags_extra); | |
1da177e4 LT |
1734 | { |
1735 | int j; | |
1736 | for (j=0; j<64; j++) { | |
1737 | if ((j%16) == 0) | |
1738 | dprintk("\n%03x:", j); | |
1739 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); | |
1740 | } | |
1741 | dprintk("\n"); | |
1742 | } | |
1743 | ||
1da177e4 | 1744 | dev->trans_start = jiffies; |
8a4ae7f2 | 1745 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
ac9c1897 | 1746 | return NETDEV_TX_OK; |
1da177e4 LT |
1747 | } |
1748 | ||
86b22b0d AA |
1749 | static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) |
1750 | { | |
1751 | struct fe_priv *np = netdev_priv(dev); | |
1752 | u32 tx_flags = 0; | |
445583b8 | 1753 | u32 tx_flags_extra; |
86b22b0d AA |
1754 | unsigned int fragments = skb_shinfo(skb)->nr_frags; |
1755 | unsigned int i; | |
1756 | u32 offset = 0; | |
1757 | u32 bcnt; | |
1758 | u32 size = skb->len-skb->data_len; | |
1759 | u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
1760 | u32 empty_slots; | |
86b22b0d AA |
1761 | struct ring_desc_ex* put_tx; |
1762 | struct ring_desc_ex* start_tx; | |
1763 | struct ring_desc_ex* prev_tx; | |
1764 | struct nv_skb_map* prev_tx_ctx; | |
1765 | ||
1766 | /* add fragments to entries count */ | |
1767 | for (i = 0; i < fragments; i++) { | |
1768 | entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + | |
1769 | ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
1770 | } | |
1771 | ||
1772 | empty_slots = nv_get_empty_tx_slots(np); | |
445583b8 | 1773 | if (unlikely(empty_slots <= entries)) { |
86b22b0d AA |
1774 | spin_lock_irq(&np->lock); |
1775 | netif_stop_queue(dev); | |
aaa37d2d | 1776 | np->tx_stop = 1; |
86b22b0d AA |
1777 | spin_unlock_irq(&np->lock); |
1778 | return NETDEV_TX_BUSY; | |
1779 | } | |
1780 | ||
1781 | start_tx = put_tx = np->put_tx.ex; | |
1782 | ||
1783 | /* setup the header buffer */ | |
1784 | do { | |
1785 | prev_tx = put_tx; | |
1786 | prev_tx_ctx = np->put_tx_ctx; | |
1787 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; | |
1788 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, | |
1789 | PCI_DMA_TODEVICE); | |
1790 | np->put_tx_ctx->dma_len = bcnt; | |
1791 | put_tx->bufhigh = cpu_to_le64(np->put_tx_ctx->dma) >> 32; | |
1792 | put_tx->buflow = cpu_to_le64(np->put_tx_ctx->dma) & 0x0FFFFFFFF; | |
1793 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | |
445583b8 AA |
1794 | |
1795 | tx_flags = NV_TX2_VALID; | |
86b22b0d AA |
1796 | offset += bcnt; |
1797 | size -= bcnt; | |
445583b8 | 1798 | if (unlikely(put_tx++ == np->last_tx.ex)) |
86b22b0d | 1799 | put_tx = np->first_tx.ex; |
445583b8 | 1800 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
86b22b0d AA |
1801 | np->put_tx_ctx = np->first_tx_ctx; |
1802 | } while (size); | |
1803 | ||
1804 | /* setup the fragments */ | |
1805 | for (i = 0; i < fragments; i++) { | |
1806 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
1807 | u32 size = frag->size; | |
1808 | offset = 0; | |
1809 | ||
1810 | do { | |
1811 | prev_tx = put_tx; | |
1812 | prev_tx_ctx = np->put_tx_ctx; | |
1813 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; | |
1814 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, | |
1815 | PCI_DMA_TODEVICE); | |
1816 | np->put_tx_ctx->dma_len = bcnt; | |
86b22b0d AA |
1817 | put_tx->bufhigh = cpu_to_le64(np->put_tx_ctx->dma) >> 32; |
1818 | put_tx->buflow = cpu_to_le64(np->put_tx_ctx->dma) & 0x0FFFFFFFF; | |
1819 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | |
445583b8 | 1820 | |
86b22b0d AA |
1821 | offset += bcnt; |
1822 | size -= bcnt; | |
445583b8 | 1823 | if (unlikely(put_tx++ == np->last_tx.ex)) |
86b22b0d | 1824 | put_tx = np->first_tx.ex; |
445583b8 | 1825 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
86b22b0d AA |
1826 | np->put_tx_ctx = np->first_tx_ctx; |
1827 | } while (size); | |
1828 | } | |
1829 | ||
1830 | /* set last fragment flag */ | |
445583b8 | 1831 | prev_tx->flaglen |= cpu_to_le32(NV_TX2_LASTPACKET); |
86b22b0d AA |
1832 | |
1833 | /* save skb in this slot's context area */ | |
1834 | prev_tx_ctx->skb = skb; | |
1835 | ||
1836 | if (skb_is_gso(skb)) | |
1837 | tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT); | |
1838 | else | |
1839 | tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ? | |
1840 | NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0; | |
1841 | ||
1842 | /* vlan tag */ | |
445583b8 AA |
1843 | if (likely(!np->vlangrp)) { |
1844 | start_tx->txvlan = 0; | |
1845 | } else { | |
1846 | if (vlan_tx_tag_present(skb)) | |
1847 | start_tx->txvlan = cpu_to_le32(NV_TX3_VLAN_TAG_PRESENT | vlan_tx_tag_get(skb)); | |
1848 | else | |
1849 | start_tx->txvlan = 0; | |
86b22b0d AA |
1850 | } |
1851 | ||
1852 | spin_lock_irq(&np->lock); | |
1853 | ||
1854 | /* set tx flags */ | |
86b22b0d AA |
1855 | start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); |
1856 | np->put_tx.ex = put_tx; | |
1857 | ||
1858 | spin_unlock_irq(&np->lock); | |
1859 | ||
1860 | dprintk(KERN_DEBUG "%s: nv_start_xmit_optimized: entries %d queued for transmission. tx_flags_extra: %x\n", | |
1861 | dev->name, entries, tx_flags_extra); | |
1862 | { | |
1863 | int j; | |
1864 | for (j=0; j<64; j++) { | |
1865 | if ((j%16) == 0) | |
1866 | dprintk("\n%03x:", j); | |
1867 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); | |
1868 | } | |
1869 | dprintk("\n"); | |
1870 | } | |
1871 | ||
1872 | dev->trans_start = jiffies; | |
1873 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
86b22b0d AA |
1874 | return NETDEV_TX_OK; |
1875 | } | |
1876 | ||
1da177e4 LT |
1877 | /* |
1878 | * nv_tx_done: check for completed packets, release the skbs. | |
1879 | * | |
1880 | * Caller must own np->lock. | |
1881 | */ | |
1882 | static void nv_tx_done(struct net_device *dev) | |
1883 | { | |
ac9c1897 | 1884 | struct fe_priv *np = netdev_priv(dev); |
f82a9352 | 1885 | u32 flags; |
aaa37d2d | 1886 | struct ring_desc* orig_get_tx = np->get_tx.orig; |
1da177e4 | 1887 | |
445583b8 AA |
1888 | while ((np->get_tx.orig != np->put_tx.orig) && |
1889 | !((flags = le32_to_cpu(np->get_tx.orig->flaglen)) & NV_TX_VALID)) { | |
1da177e4 | 1890 | |
761fcd9e AA |
1891 | dprintk(KERN_DEBUG "%s: nv_tx_done: flags 0x%x.\n", |
1892 | dev->name, flags); | |
445583b8 AA |
1893 | |
1894 | pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, | |
1895 | np->get_tx_ctx->dma_len, | |
1896 | PCI_DMA_TODEVICE); | |
1897 | np->get_tx_ctx->dma = 0; | |
1898 | ||
1da177e4 | 1899 | if (np->desc_ver == DESC_VER_1) { |
f82a9352 | 1900 | if (flags & NV_TX_LASTPACKET) { |
445583b8 | 1901 | if (flags & NV_TX_ERROR) { |
f82a9352 | 1902 | if (flags & NV_TX_UNDERFLOW) |
ac9c1897 | 1903 | np->stats.tx_fifo_errors++; |
f82a9352 | 1904 | if (flags & NV_TX_CARRIERLOST) |
ac9c1897 AA |
1905 | np->stats.tx_carrier_errors++; |
1906 | np->stats.tx_errors++; | |
1907 | } else { | |
1908 | np->stats.tx_packets++; | |
445583b8 | 1909 | np->stats.tx_bytes += np->get_tx_ctx->skb->len; |
ac9c1897 | 1910 | } |
445583b8 AA |
1911 | dev_kfree_skb_any(np->get_tx_ctx->skb); |
1912 | np->get_tx_ctx->skb = NULL; | |
1da177e4 LT |
1913 | } |
1914 | } else { | |
f82a9352 | 1915 | if (flags & NV_TX2_LASTPACKET) { |
445583b8 | 1916 | if (flags & NV_TX2_ERROR) { |
f82a9352 | 1917 | if (flags & NV_TX2_UNDERFLOW) |
ac9c1897 | 1918 | np->stats.tx_fifo_errors++; |
f82a9352 | 1919 | if (flags & NV_TX2_CARRIERLOST) |
ac9c1897 AA |
1920 | np->stats.tx_carrier_errors++; |
1921 | np->stats.tx_errors++; | |
1922 | } else { | |
1923 | np->stats.tx_packets++; | |
445583b8 | 1924 | np->stats.tx_bytes += np->get_tx_ctx->skb->len; |
f3b197ac | 1925 | } |
445583b8 AA |
1926 | dev_kfree_skb_any(np->get_tx_ctx->skb); |
1927 | np->get_tx_ctx->skb = NULL; | |
1da177e4 LT |
1928 | } |
1929 | } | |
445583b8 | 1930 | if (unlikely(np->get_tx.orig++ == np->last_tx.orig)) |
86b22b0d | 1931 | np->get_tx.orig = np->first_tx.orig; |
445583b8 | 1932 | if (unlikely(np->get_tx_ctx++ == np->last_tx_ctx)) |
86b22b0d AA |
1933 | np->get_tx_ctx = np->first_tx_ctx; |
1934 | } | |
445583b8 | 1935 | if (unlikely((np->tx_stop == 1) && (np->get_tx.orig != orig_get_tx))) { |
aaa37d2d | 1936 | np->tx_stop = 0; |
86b22b0d | 1937 | netif_wake_queue(dev); |
aaa37d2d | 1938 | } |
86b22b0d AA |
1939 | } |
1940 | ||
4e16ed1b | 1941 | static void nv_tx_done_optimized(struct net_device *dev, int limit) |
86b22b0d AA |
1942 | { |
1943 | struct fe_priv *np = netdev_priv(dev); | |
1944 | u32 flags; | |
aaa37d2d | 1945 | struct ring_desc_ex* orig_get_tx = np->get_tx.ex; |
86b22b0d | 1946 | |
445583b8 | 1947 | while ((np->get_tx.ex != np->put_tx.ex) && |
4e16ed1b AA |
1948 | !((flags = le32_to_cpu(np->get_tx.ex->flaglen)) & NV_TX_VALID) && |
1949 | (limit-- > 0)) { | |
86b22b0d AA |
1950 | |
1951 | dprintk(KERN_DEBUG "%s: nv_tx_done_optimized: flags 0x%x.\n", | |
1952 | dev->name, flags); | |
445583b8 AA |
1953 | |
1954 | pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, | |
1955 | np->get_tx_ctx->dma_len, | |
1956 | PCI_DMA_TODEVICE); | |
1957 | np->get_tx_ctx->dma = 0; | |
1958 | ||
86b22b0d | 1959 | if (flags & NV_TX2_LASTPACKET) { |
21828163 | 1960 | if (!(flags & NV_TX2_ERROR)) |
86b22b0d | 1961 | np->stats.tx_packets++; |
445583b8 AA |
1962 | dev_kfree_skb_any(np->get_tx_ctx->skb); |
1963 | np->get_tx_ctx->skb = NULL; | |
761fcd9e | 1964 | } |
445583b8 | 1965 | if (unlikely(np->get_tx.ex++ == np->last_tx.ex)) |
86b22b0d | 1966 | np->get_tx.ex = np->first_tx.ex; |
445583b8 | 1967 | if (unlikely(np->get_tx_ctx++ == np->last_tx_ctx)) |
761fcd9e | 1968 | np->get_tx_ctx = np->first_tx_ctx; |
1da177e4 | 1969 | } |
445583b8 | 1970 | if (unlikely((np->tx_stop == 1) && (np->get_tx.ex != orig_get_tx))) { |
aaa37d2d | 1971 | np->tx_stop = 0; |
1da177e4 | 1972 | netif_wake_queue(dev); |
aaa37d2d | 1973 | } |
1da177e4 LT |
1974 | } |
1975 | ||
1976 | /* | |
1977 | * nv_tx_timeout: dev->tx_timeout function | |
932ff279 | 1978 | * Called with netif_tx_lock held. |
1da177e4 LT |
1979 | */ |
1980 | static void nv_tx_timeout(struct net_device *dev) | |
1981 | { | |
ac9c1897 | 1982 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1983 | u8 __iomem *base = get_hwbase(dev); |
d33a73c8 AA |
1984 | u32 status; |
1985 | ||
1986 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1987 | status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
1988 | else | |
1989 | status = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
1da177e4 | 1990 | |
d33a73c8 | 1991 | printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name, status); |
1da177e4 | 1992 | |
c2dba06d MS |
1993 | { |
1994 | int i; | |
1995 | ||
761fcd9e AA |
1996 | printk(KERN_INFO "%s: Ring at %lx\n", |
1997 | dev->name, (unsigned long)np->ring_addr); | |
c2dba06d | 1998 | printk(KERN_INFO "%s: Dumping tx registers\n", dev->name); |
86a0f043 | 1999 | for (i=0;i<=np->register_size;i+= 32) { |
c2dba06d MS |
2000 | printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
2001 | i, | |
2002 | readl(base + i + 0), readl(base + i + 4), | |
2003 | readl(base + i + 8), readl(base + i + 12), | |
2004 | readl(base + i + 16), readl(base + i + 20), | |
2005 | readl(base + i + 24), readl(base + i + 28)); | |
2006 | } | |
2007 | printk(KERN_INFO "%s: Dumping tx ring\n", dev->name); | |
eafa59f6 | 2008 | for (i=0;i<np->tx_ring_size;i+= 4) { |
ee73362c MS |
2009 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
2010 | printk(KERN_INFO "%03x: %08x %08x // %08x %08x // %08x %08x // %08x %08x\n", | |
f3b197ac | 2011 | i, |
f82a9352 SH |
2012 | le32_to_cpu(np->tx_ring.orig[i].buf), |
2013 | le32_to_cpu(np->tx_ring.orig[i].flaglen), | |
2014 | le32_to_cpu(np->tx_ring.orig[i+1].buf), | |
2015 | le32_to_cpu(np->tx_ring.orig[i+1].flaglen), | |
2016 | le32_to_cpu(np->tx_ring.orig[i+2].buf), | |
2017 | le32_to_cpu(np->tx_ring.orig[i+2].flaglen), | |
2018 | le32_to_cpu(np->tx_ring.orig[i+3].buf), | |
2019 | le32_to_cpu(np->tx_ring.orig[i+3].flaglen)); | |
ee73362c MS |
2020 | } else { |
2021 | printk(KERN_INFO "%03x: %08x %08x %08x // %08x %08x %08x // %08x %08x %08x // %08x %08x %08x\n", | |
f3b197ac | 2022 | i, |
f82a9352 SH |
2023 | le32_to_cpu(np->tx_ring.ex[i].bufhigh), |
2024 | le32_to_cpu(np->tx_ring.ex[i].buflow), | |
2025 | le32_to_cpu(np->tx_ring.ex[i].flaglen), | |
2026 | le32_to_cpu(np->tx_ring.ex[i+1].bufhigh), | |
2027 | le32_to_cpu(np->tx_ring.ex[i+1].buflow), | |
2028 | le32_to_cpu(np->tx_ring.ex[i+1].flaglen), | |
2029 | le32_to_cpu(np->tx_ring.ex[i+2].bufhigh), | |
2030 | le32_to_cpu(np->tx_ring.ex[i+2].buflow), | |
2031 | le32_to_cpu(np->tx_ring.ex[i+2].flaglen), | |
2032 | le32_to_cpu(np->tx_ring.ex[i+3].bufhigh), | |
2033 | le32_to_cpu(np->tx_ring.ex[i+3].buflow), | |
2034 | le32_to_cpu(np->tx_ring.ex[i+3].flaglen)); | |
ee73362c | 2035 | } |
c2dba06d MS |
2036 | } |
2037 | } | |
2038 | ||
1da177e4 LT |
2039 | spin_lock_irq(&np->lock); |
2040 | ||
2041 | /* 1) stop tx engine */ | |
2042 | nv_stop_tx(dev); | |
2043 | ||
2044 | /* 2) check that the packets were not sent already: */ | |
86b22b0d AA |
2045 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
2046 | nv_tx_done(dev); | |
2047 | else | |
4e16ed1b | 2048 | nv_tx_done_optimized(dev, np->tx_ring_size); |
1da177e4 LT |
2049 | |
2050 | /* 3) if there are dead entries: clear everything */ | |
761fcd9e | 2051 | if (np->get_tx_ctx != np->put_tx_ctx) { |
1da177e4 LT |
2052 | printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name); |
2053 | nv_drain_tx(dev); | |
761fcd9e | 2054 | nv_init_tx(dev); |
0832b25a | 2055 | setup_hw_rings(dev, NV_SETUP_TX_RING); |
1da177e4 LT |
2056 | } |
2057 | ||
3ba4d093 AA |
2058 | netif_wake_queue(dev); |
2059 | ||
1da177e4 LT |
2060 | /* 4) restart tx engine */ |
2061 | nv_start_tx(dev); | |
2062 | spin_unlock_irq(&np->lock); | |
2063 | } | |
2064 | ||
22c6d143 MS |
2065 | /* |
2066 | * Called when the nic notices a mismatch between the actual data len on the | |
2067 | * wire and the len indicated in the 802 header | |
2068 | */ | |
2069 | static int nv_getlen(struct net_device *dev, void *packet, int datalen) | |
2070 | { | |
2071 | int hdrlen; /* length of the 802 header */ | |
2072 | int protolen; /* length as stored in the proto field */ | |
2073 | ||
2074 | /* 1) calculate len according to header */ | |
f82a9352 | 2075 | if ( ((struct vlan_ethhdr *)packet)->h_vlan_proto == htons(ETH_P_8021Q)) { |
22c6d143 MS |
2076 | protolen = ntohs( ((struct vlan_ethhdr *)packet)->h_vlan_encapsulated_proto ); |
2077 | hdrlen = VLAN_HLEN; | |
2078 | } else { | |
2079 | protolen = ntohs( ((struct ethhdr *)packet)->h_proto); | |
2080 | hdrlen = ETH_HLEN; | |
2081 | } | |
2082 | dprintk(KERN_DEBUG "%s: nv_getlen: datalen %d, protolen %d, hdrlen %d\n", | |
2083 | dev->name, datalen, protolen, hdrlen); | |
2084 | if (protolen > ETH_DATA_LEN) | |
2085 | return datalen; /* Value in proto field not a len, no checks possible */ | |
2086 | ||
2087 | protolen += hdrlen; | |
2088 | /* consistency checks: */ | |
2089 | if (datalen > ETH_ZLEN) { | |
2090 | if (datalen >= protolen) { | |
2091 | /* more data on wire than in 802 header, trim of | |
2092 | * additional data. | |
2093 | */ | |
2094 | dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", | |
2095 | dev->name, protolen); | |
2096 | return protolen; | |
2097 | } else { | |
2098 | /* less data on wire than mentioned in header. | |
2099 | * Discard the packet. | |
2100 | */ | |
2101 | dprintk(KERN_DEBUG "%s: nv_getlen: discarding long packet.\n", | |
2102 | dev->name); | |
2103 | return -1; | |
2104 | } | |
2105 | } else { | |
2106 | /* short packet. Accept only if 802 values are also short */ | |
2107 | if (protolen > ETH_ZLEN) { | |
2108 | dprintk(KERN_DEBUG "%s: nv_getlen: discarding short packet.\n", | |
2109 | dev->name); | |
2110 | return -1; | |
2111 | } | |
2112 | dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", | |
2113 | dev->name, datalen); | |
2114 | return datalen; | |
2115 | } | |
2116 | } | |
2117 | ||
e27cdba5 | 2118 | static int nv_rx_process(struct net_device *dev, int limit) |
1da177e4 | 2119 | { |
ac9c1897 | 2120 | struct fe_priv *np = netdev_priv(dev); |
f82a9352 | 2121 | u32 flags; |
b01867cb AA |
2122 | u32 rx_processed_cnt = 0; |
2123 | struct sk_buff *skb; | |
2124 | int len; | |
1da177e4 | 2125 | |
b01867cb AA |
2126 | while((np->get_rx.orig != np->put_rx.orig) && |
2127 | !((flags = le32_to_cpu(np->get_rx.orig->flaglen)) & NV_RX_AVAIL) && | |
2128 | (rx_processed_cnt++ < limit)) { | |
1da177e4 | 2129 | |
761fcd9e AA |
2130 | dprintk(KERN_DEBUG "%s: nv_rx_process: flags 0x%x.\n", |
2131 | dev->name, flags); | |
1da177e4 | 2132 | |
1da177e4 LT |
2133 | /* |
2134 | * the packet is for us - immediately tear down the pci mapping. | |
2135 | * TODO: check if a prefetch of the first cacheline improves | |
2136 | * the performance. | |
2137 | */ | |
761fcd9e AA |
2138 | pci_unmap_single(np->pci_dev, np->get_rx_ctx->dma, |
2139 | np->get_rx_ctx->dma_len, | |
1da177e4 | 2140 | PCI_DMA_FROMDEVICE); |
0d63fb32 AA |
2141 | skb = np->get_rx_ctx->skb; |
2142 | np->get_rx_ctx->skb = NULL; | |
1da177e4 LT |
2143 | |
2144 | { | |
2145 | int j; | |
f82a9352 | 2146 | dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",flags); |
1da177e4 LT |
2147 | for (j=0; j<64; j++) { |
2148 | if ((j%16) == 0) | |
2149 | dprintk("\n%03x:", j); | |
0d63fb32 | 2150 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); |
1da177e4 LT |
2151 | } |
2152 | dprintk("\n"); | |
2153 | } | |
2154 | /* look at what we actually got: */ | |
2155 | if (np->desc_ver == DESC_VER_1) { | |
b01867cb AA |
2156 | if (likely(flags & NV_RX_DESCRIPTORVALID)) { |
2157 | len = flags & LEN_MASK_V1; | |
2158 | if (unlikely(flags & NV_RX_ERROR)) { | |
2159 | if (flags & NV_RX_ERROR4) { | |
2160 | len = nv_getlen(dev, skb->data, len); | |
2161 | if (len < 0) { | |
2162 | np->stats.rx_errors++; | |
2163 | dev_kfree_skb(skb); | |
2164 | goto next_pkt; | |
2165 | } | |
2166 | } | |
2167 | /* framing errors are soft errors */ | |
2168 | else if (flags & NV_RX_FRAMINGERR) { | |
2169 | if (flags & NV_RX_SUBSTRACT1) { | |
2170 | len--; | |
2171 | } | |
2172 | } | |
2173 | /* the rest are hard errors */ | |
2174 | else { | |
2175 | if (flags & NV_RX_MISSEDFRAME) | |
2176 | np->stats.rx_missed_errors++; | |
2177 | if (flags & NV_RX_CRCERR) | |
2178 | np->stats.rx_crc_errors++; | |
2179 | if (flags & NV_RX_OVERFLOW) | |
2180 | np->stats.rx_over_errors++; | |
a971c324 | 2181 | np->stats.rx_errors++; |
0d63fb32 | 2182 | dev_kfree_skb(skb); |
a971c324 AA |
2183 | goto next_pkt; |
2184 | } | |
2185 | } | |
b01867cb | 2186 | } else { |
0d63fb32 | 2187 | dev_kfree_skb(skb); |
1da177e4 | 2188 | goto next_pkt; |
0d63fb32 | 2189 | } |
b01867cb AA |
2190 | } else { |
2191 | if (likely(flags & NV_RX2_DESCRIPTORVALID)) { | |
2192 | len = flags & LEN_MASK_V2; | |
2193 | if (unlikely(flags & NV_RX2_ERROR)) { | |
2194 | if (flags & NV_RX2_ERROR4) { | |
2195 | len = nv_getlen(dev, skb->data, len); | |
2196 | if (len < 0) { | |
2197 | np->stats.rx_errors++; | |
2198 | dev_kfree_skb(skb); | |
2199 | goto next_pkt; | |
2200 | } | |
2201 | } | |
2202 | /* framing errors are soft errors */ | |
2203 | else if (flags & NV_RX2_FRAMINGERR) { | |
2204 | if (flags & NV_RX2_SUBSTRACT1) { | |
2205 | len--; | |
2206 | } | |
2207 | } | |
2208 | /* the rest are hard errors */ | |
2209 | else { | |
2210 | if (flags & NV_RX2_CRCERR) | |
2211 | np->stats.rx_crc_errors++; | |
2212 | if (flags & NV_RX2_OVERFLOW) | |
2213 | np->stats.rx_over_errors++; | |
a971c324 | 2214 | np->stats.rx_errors++; |
0d63fb32 | 2215 | dev_kfree_skb(skb); |
a971c324 AA |
2216 | goto next_pkt; |
2217 | } | |
2218 | } | |
b01867cb | 2219 | if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ { |
0d63fb32 | 2220 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
5ed2616f | 2221 | } else { |
b01867cb AA |
2222 | if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 || |
2223 | (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) { | |
2224 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2225 | } | |
5ed2616f | 2226 | } |
b01867cb AA |
2227 | } else { |
2228 | dev_kfree_skb(skb); | |
2229 | goto next_pkt; | |
1da177e4 LT |
2230 | } |
2231 | } | |
2232 | /* got a valid packet - forward it to the network core */ | |
1da177e4 LT |
2233 | skb_put(skb, len); |
2234 | skb->protocol = eth_type_trans(skb, dev); | |
761fcd9e AA |
2235 | dprintk(KERN_DEBUG "%s: nv_rx_process: %d bytes, proto %d accepted.\n", |
2236 | dev->name, len, skb->protocol); | |
e27cdba5 | 2237 | #ifdef CONFIG_FORCEDETH_NAPI |
b01867cb | 2238 | netif_receive_skb(skb); |
e27cdba5 | 2239 | #else |
b01867cb | 2240 | netif_rx(skb); |
e27cdba5 | 2241 | #endif |
1da177e4 LT |
2242 | dev->last_rx = jiffies; |
2243 | np->stats.rx_packets++; | |
2244 | np->stats.rx_bytes += len; | |
2245 | next_pkt: | |
b01867cb | 2246 | if (unlikely(np->get_rx.orig++ == np->last_rx.orig)) |
86b22b0d | 2247 | np->get_rx.orig = np->first_rx.orig; |
b01867cb | 2248 | if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx)) |
86b22b0d AA |
2249 | np->get_rx_ctx = np->first_rx_ctx; |
2250 | } | |
2251 | ||
b01867cb | 2252 | return rx_processed_cnt; |
86b22b0d AA |
2253 | } |
2254 | ||
2255 | static int nv_rx_process_optimized(struct net_device *dev, int limit) | |
2256 | { | |
2257 | struct fe_priv *np = netdev_priv(dev); | |
2258 | u32 flags; | |
2259 | u32 vlanflags = 0; | |
b01867cb AA |
2260 | u32 rx_processed_cnt = 0; |
2261 | struct sk_buff *skb; | |
2262 | int len; | |
86b22b0d | 2263 | |
b01867cb AA |
2264 | while((np->get_rx.ex != np->put_rx.ex) && |
2265 | !((flags = le32_to_cpu(np->get_rx.ex->flaglen)) & NV_RX2_AVAIL) && | |
2266 | (rx_processed_cnt++ < limit)) { | |
86b22b0d AA |
2267 | |
2268 | dprintk(KERN_DEBUG "%s: nv_rx_process_optimized: flags 0x%x.\n", | |
2269 | dev->name, flags); | |
2270 | ||
86b22b0d AA |
2271 | /* |
2272 | * the packet is for us - immediately tear down the pci mapping. | |
2273 | * TODO: check if a prefetch of the first cacheline improves | |
2274 | * the performance. | |
2275 | */ | |
2276 | pci_unmap_single(np->pci_dev, np->get_rx_ctx->dma, | |
2277 | np->get_rx_ctx->dma_len, | |
2278 | PCI_DMA_FROMDEVICE); | |
2279 | skb = np->get_rx_ctx->skb; | |
2280 | np->get_rx_ctx->skb = NULL; | |
2281 | ||
2282 | { | |
2283 | int j; | |
2284 | dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",flags); | |
2285 | for (j=0; j<64; j++) { | |
2286 | if ((j%16) == 0) | |
2287 | dprintk("\n%03x:", j); | |
2288 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); | |
2289 | } | |
2290 | dprintk("\n"); | |
761fcd9e | 2291 | } |
86b22b0d | 2292 | /* look at what we actually got: */ |
b01867cb AA |
2293 | if (likely(flags & NV_RX2_DESCRIPTORVALID)) { |
2294 | len = flags & LEN_MASK_V2; | |
2295 | if (unlikely(flags & NV_RX2_ERROR)) { | |
2296 | if (flags & NV_RX2_ERROR4) { | |
2297 | len = nv_getlen(dev, skb->data, len); | |
2298 | if (len < 0) { | |
b01867cb AA |
2299 | dev_kfree_skb(skb); |
2300 | goto next_pkt; | |
2301 | } | |
2302 | } | |
2303 | /* framing errors are soft errors */ | |
2304 | else if (flags & NV_RX2_FRAMINGERR) { | |
2305 | if (flags & NV_RX2_SUBSTRACT1) { | |
2306 | len--; | |
2307 | } | |
2308 | } | |
2309 | /* the rest are hard errors */ | |
2310 | else { | |
86b22b0d AA |
2311 | dev_kfree_skb(skb); |
2312 | goto next_pkt; | |
2313 | } | |
2314 | } | |
b01867cb AA |
2315 | |
2316 | if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ { | |
86b22b0d AA |
2317 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
2318 | } else { | |
b01867cb AA |
2319 | if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 || |
2320 | (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) { | |
2321 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2322 | } | |
86b22b0d | 2323 | } |
b01867cb AA |
2324 | |
2325 | /* got a valid packet - forward it to the network core */ | |
2326 | skb_put(skb, len); | |
2327 | skb->protocol = eth_type_trans(skb, dev); | |
2328 | prefetch(skb->data); | |
2329 | ||
2330 | dprintk(KERN_DEBUG "%s: nv_rx_process_optimized: %d bytes, proto %d accepted.\n", | |
2331 | dev->name, len, skb->protocol); | |
2332 | ||
2333 | if (likely(!np->vlangrp)) { | |
86b22b0d | 2334 | #ifdef CONFIG_FORCEDETH_NAPI |
b01867cb | 2335 | netif_receive_skb(skb); |
86b22b0d | 2336 | #else |
b01867cb | 2337 | netif_rx(skb); |
86b22b0d | 2338 | #endif |
b01867cb AA |
2339 | } else { |
2340 | vlanflags = le32_to_cpu(np->get_rx.ex->buflow); | |
2341 | if (vlanflags & NV_RX3_VLAN_TAG_PRESENT) { | |
2342 | #ifdef CONFIG_FORCEDETH_NAPI | |
2343 | vlan_hwaccel_receive_skb(skb, np->vlangrp, | |
2344 | vlanflags & NV_RX3_VLAN_TAG_MASK); | |
2345 | #else | |
2346 | vlan_hwaccel_rx(skb, np->vlangrp, | |
2347 | vlanflags & NV_RX3_VLAN_TAG_MASK); | |
2348 | #endif | |
2349 | } else { | |
2350 | #ifdef CONFIG_FORCEDETH_NAPI | |
2351 | netif_receive_skb(skb); | |
2352 | #else | |
2353 | netif_rx(skb); | |
2354 | #endif | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | dev->last_rx = jiffies; | |
2359 | np->stats.rx_packets++; | |
2360 | np->stats.rx_bytes += len; | |
2361 | } else { | |
2362 | dev_kfree_skb(skb); | |
2363 | } | |
86b22b0d | 2364 | next_pkt: |
b01867cb | 2365 | if (unlikely(np->get_rx.ex++ == np->last_rx.ex)) |
86b22b0d | 2366 | np->get_rx.ex = np->first_rx.ex; |
b01867cb | 2367 | if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx)) |
761fcd9e | 2368 | np->get_rx_ctx = np->first_rx_ctx; |
1da177e4 | 2369 | } |
e27cdba5 | 2370 | |
b01867cb | 2371 | return rx_processed_cnt; |
1da177e4 LT |
2372 | } |
2373 | ||
d81c0983 MS |
2374 | static void set_bufsize(struct net_device *dev) |
2375 | { | |
2376 | struct fe_priv *np = netdev_priv(dev); | |
2377 | ||
2378 | if (dev->mtu <= ETH_DATA_LEN) | |
2379 | np->rx_buf_sz = ETH_DATA_LEN + NV_RX_HEADERS; | |
2380 | else | |
2381 | np->rx_buf_sz = dev->mtu + NV_RX_HEADERS; | |
2382 | } | |
2383 | ||
1da177e4 LT |
2384 | /* |
2385 | * nv_change_mtu: dev->change_mtu function | |
2386 | * Called with dev_base_lock held for read. | |
2387 | */ | |
2388 | static int nv_change_mtu(struct net_device *dev, int new_mtu) | |
2389 | { | |
ac9c1897 | 2390 | struct fe_priv *np = netdev_priv(dev); |
d81c0983 MS |
2391 | int old_mtu; |
2392 | ||
2393 | if (new_mtu < 64 || new_mtu > np->pkt_limit) | |
1da177e4 | 2394 | return -EINVAL; |
d81c0983 MS |
2395 | |
2396 | old_mtu = dev->mtu; | |
1da177e4 | 2397 | dev->mtu = new_mtu; |
d81c0983 MS |
2398 | |
2399 | /* return early if the buffer sizes will not change */ | |
2400 | if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN) | |
2401 | return 0; | |
2402 | if (old_mtu == new_mtu) | |
2403 | return 0; | |
2404 | ||
2405 | /* synchronized against open : rtnl_lock() held by caller */ | |
2406 | if (netif_running(dev)) { | |
25097d4b | 2407 | u8 __iomem *base = get_hwbase(dev); |
d81c0983 MS |
2408 | /* |
2409 | * It seems that the nic preloads valid ring entries into an | |
2410 | * internal buffer. The procedure for flushing everything is | |
2411 | * guessed, there is probably a simpler approach. | |
2412 | * Changing the MTU is a rare event, it shouldn't matter. | |
2413 | */ | |
84b3932b | 2414 | nv_disable_irq(dev); |
932ff279 | 2415 | netif_tx_lock_bh(dev); |
d81c0983 MS |
2416 | spin_lock(&np->lock); |
2417 | /* stop engines */ | |
2418 | nv_stop_rx(dev); | |
2419 | nv_stop_tx(dev); | |
2420 | nv_txrx_reset(dev); | |
2421 | /* drain rx queue */ | |
2422 | nv_drain_rx(dev); | |
2423 | nv_drain_tx(dev); | |
2424 | /* reinit driver view of the rx queue */ | |
d81c0983 | 2425 | set_bufsize(dev); |
eafa59f6 | 2426 | if (nv_init_ring(dev)) { |
d81c0983 MS |
2427 | if (!np->in_shutdown) |
2428 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
2429 | } | |
2430 | /* reinit nic view of the rx queue */ | |
2431 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
0832b25a | 2432 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
eafa59f6 | 2433 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
d81c0983 MS |
2434 | base + NvRegRingSizes); |
2435 | pci_push(base); | |
8a4ae7f2 | 2436 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
d81c0983 MS |
2437 | pci_push(base); |
2438 | ||
2439 | /* restart rx engine */ | |
2440 | nv_start_rx(dev); | |
2441 | nv_start_tx(dev); | |
2442 | spin_unlock(&np->lock); | |
932ff279 | 2443 | netif_tx_unlock_bh(dev); |
84b3932b | 2444 | nv_enable_irq(dev); |
d81c0983 | 2445 | } |
1da177e4 LT |
2446 | return 0; |
2447 | } | |
2448 | ||
72b31782 MS |
2449 | static void nv_copy_mac_to_hw(struct net_device *dev) |
2450 | { | |
25097d4b | 2451 | u8 __iomem *base = get_hwbase(dev); |
72b31782 MS |
2452 | u32 mac[2]; |
2453 | ||
2454 | mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) + | |
2455 | (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); | |
2456 | mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8); | |
2457 | ||
2458 | writel(mac[0], base + NvRegMacAddrA); | |
2459 | writel(mac[1], base + NvRegMacAddrB); | |
2460 | } | |
2461 | ||
2462 | /* | |
2463 | * nv_set_mac_address: dev->set_mac_address function | |
2464 | * Called with rtnl_lock() held. | |
2465 | */ | |
2466 | static int nv_set_mac_address(struct net_device *dev, void *addr) | |
2467 | { | |
ac9c1897 | 2468 | struct fe_priv *np = netdev_priv(dev); |
72b31782 MS |
2469 | struct sockaddr *macaddr = (struct sockaddr*)addr; |
2470 | ||
f82a9352 | 2471 | if (!is_valid_ether_addr(macaddr->sa_data)) |
72b31782 MS |
2472 | return -EADDRNOTAVAIL; |
2473 | ||
2474 | /* synchronized against open : rtnl_lock() held by caller */ | |
2475 | memcpy(dev->dev_addr, macaddr->sa_data, ETH_ALEN); | |
2476 | ||
2477 | if (netif_running(dev)) { | |
932ff279 | 2478 | netif_tx_lock_bh(dev); |
72b31782 MS |
2479 | spin_lock_irq(&np->lock); |
2480 | ||
2481 | /* stop rx engine */ | |
2482 | nv_stop_rx(dev); | |
2483 | ||
2484 | /* set mac address */ | |
2485 | nv_copy_mac_to_hw(dev); | |
2486 | ||
2487 | /* restart rx engine */ | |
2488 | nv_start_rx(dev); | |
2489 | spin_unlock_irq(&np->lock); | |
932ff279 | 2490 | netif_tx_unlock_bh(dev); |
72b31782 MS |
2491 | } else { |
2492 | nv_copy_mac_to_hw(dev); | |
2493 | } | |
2494 | return 0; | |
2495 | } | |
2496 | ||
1da177e4 LT |
2497 | /* |
2498 | * nv_set_multicast: dev->set_multicast function | |
932ff279 | 2499 | * Called with netif_tx_lock held. |
1da177e4 LT |
2500 | */ |
2501 | static void nv_set_multicast(struct net_device *dev) | |
2502 | { | |
ac9c1897 | 2503 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
2504 | u8 __iomem *base = get_hwbase(dev); |
2505 | u32 addr[2]; | |
2506 | u32 mask[2]; | |
b6d0773f | 2507 | u32 pff = readl(base + NvRegPacketFilterFlags) & NVREG_PFF_PAUSE_RX; |
1da177e4 LT |
2508 | |
2509 | memset(addr, 0, sizeof(addr)); | |
2510 | memset(mask, 0, sizeof(mask)); | |
2511 | ||
2512 | if (dev->flags & IFF_PROMISC) { | |
b6d0773f | 2513 | pff |= NVREG_PFF_PROMISC; |
1da177e4 | 2514 | } else { |
b6d0773f | 2515 | pff |= NVREG_PFF_MYADDR; |
1da177e4 LT |
2516 | |
2517 | if (dev->flags & IFF_ALLMULTI || dev->mc_list) { | |
2518 | u32 alwaysOff[2]; | |
2519 | u32 alwaysOn[2]; | |
2520 | ||
2521 | alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0xffffffff; | |
2522 | if (dev->flags & IFF_ALLMULTI) { | |
2523 | alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0; | |
2524 | } else { | |
2525 | struct dev_mc_list *walk; | |
2526 | ||
2527 | walk = dev->mc_list; | |
2528 | while (walk != NULL) { | |
2529 | u32 a, b; | |
2530 | a = le32_to_cpu(*(u32 *) walk->dmi_addr); | |
2531 | b = le16_to_cpu(*(u16 *) (&walk->dmi_addr[4])); | |
2532 | alwaysOn[0] &= a; | |
2533 | alwaysOff[0] &= ~a; | |
2534 | alwaysOn[1] &= b; | |
2535 | alwaysOff[1] &= ~b; | |
2536 | walk = walk->next; | |
2537 | } | |
2538 | } | |
2539 | addr[0] = alwaysOn[0]; | |
2540 | addr[1] = alwaysOn[1]; | |
2541 | mask[0] = alwaysOn[0] | alwaysOff[0]; | |
2542 | mask[1] = alwaysOn[1] | alwaysOff[1]; | |
2543 | } | |
2544 | } | |
2545 | addr[0] |= NVREG_MCASTADDRA_FORCE; | |
2546 | pff |= NVREG_PFF_ALWAYS; | |
2547 | spin_lock_irq(&np->lock); | |
2548 | nv_stop_rx(dev); | |
2549 | writel(addr[0], base + NvRegMulticastAddrA); | |
2550 | writel(addr[1], base + NvRegMulticastAddrB); | |
2551 | writel(mask[0], base + NvRegMulticastMaskA); | |
2552 | writel(mask[1], base + NvRegMulticastMaskB); | |
2553 | writel(pff, base + NvRegPacketFilterFlags); | |
2554 | dprintk(KERN_INFO "%s: reconfiguration for multicast lists.\n", | |
2555 | dev->name); | |
2556 | nv_start_rx(dev); | |
2557 | spin_unlock_irq(&np->lock); | |
2558 | } | |
2559 | ||
c7985051 | 2560 | static void nv_update_pause(struct net_device *dev, u32 pause_flags) |
b6d0773f AA |
2561 | { |
2562 | struct fe_priv *np = netdev_priv(dev); | |
2563 | u8 __iomem *base = get_hwbase(dev); | |
2564 | ||
2565 | np->pause_flags &= ~(NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE); | |
2566 | ||
2567 | if (np->pause_flags & NV_PAUSEFRAME_RX_CAPABLE) { | |
2568 | u32 pff = readl(base + NvRegPacketFilterFlags) & ~NVREG_PFF_PAUSE_RX; | |
2569 | if (pause_flags & NV_PAUSEFRAME_RX_ENABLE) { | |
2570 | writel(pff|NVREG_PFF_PAUSE_RX, base + NvRegPacketFilterFlags); | |
2571 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2572 | } else { | |
2573 | writel(pff, base + NvRegPacketFilterFlags); | |
2574 | } | |
2575 | } | |
2576 | if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) { | |
2577 | u32 regmisc = readl(base + NvRegMisc1) & ~NVREG_MISC1_PAUSE_TX; | |
2578 | if (pause_flags & NV_PAUSEFRAME_TX_ENABLE) { | |
2579 | writel(NVREG_TX_PAUSEFRAME_ENABLE, base + NvRegTxPauseFrame); | |
2580 | writel(regmisc|NVREG_MISC1_PAUSE_TX, base + NvRegMisc1); | |
2581 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2582 | } else { | |
2583 | writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); | |
2584 | writel(regmisc, base + NvRegMisc1); | |
2585 | } | |
2586 | } | |
2587 | } | |
2588 | ||
4ea7f299 AA |
2589 | /** |
2590 | * nv_update_linkspeed: Setup the MAC according to the link partner | |
2591 | * @dev: Network device to be configured | |
2592 | * | |
2593 | * The function queries the PHY and checks if there is a link partner. | |
2594 | * If yes, then it sets up the MAC accordingly. Otherwise, the MAC is | |
2595 | * set to 10 MBit HD. | |
2596 | * | |
2597 | * The function returns 0 if there is no link partner and 1 if there is | |
2598 | * a good link partner. | |
2599 | */ | |
1da177e4 LT |
2600 | static int nv_update_linkspeed(struct net_device *dev) |
2601 | { | |
ac9c1897 | 2602 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 2603 | u8 __iomem *base = get_hwbase(dev); |
eb91f61b AA |
2604 | int adv = 0; |
2605 | int lpa = 0; | |
2606 | int adv_lpa, adv_pause, lpa_pause; | |
1da177e4 LT |
2607 | int newls = np->linkspeed; |
2608 | int newdup = np->duplex; | |
2609 | int mii_status; | |
2610 | int retval = 0; | |
9744e218 | 2611 | u32 control_1000, status_1000, phyreg, pause_flags, txreg; |
1da177e4 LT |
2612 | |
2613 | /* BMSR_LSTATUS is latched, read it twice: | |
2614 | * we want the current value. | |
2615 | */ | |
2616 | mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
2617 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
2618 | ||
2619 | if (!(mii_status & BMSR_LSTATUS)) { | |
2620 | dprintk(KERN_DEBUG "%s: no link detected by phy - falling back to 10HD.\n", | |
2621 | dev->name); | |
2622 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2623 | newdup = 0; | |
2624 | retval = 0; | |
2625 | goto set_speed; | |
2626 | } | |
2627 | ||
2628 | if (np->autoneg == 0) { | |
2629 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: autoneg off, PHY set to 0x%04x.\n", | |
2630 | dev->name, np->fixed_mode); | |
2631 | if (np->fixed_mode & LPA_100FULL) { | |
2632 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; | |
2633 | newdup = 1; | |
2634 | } else if (np->fixed_mode & LPA_100HALF) { | |
2635 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; | |
2636 | newdup = 0; | |
2637 | } else if (np->fixed_mode & LPA_10FULL) { | |
2638 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2639 | newdup = 1; | |
2640 | } else { | |
2641 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2642 | newdup = 0; | |
2643 | } | |
2644 | retval = 1; | |
2645 | goto set_speed; | |
2646 | } | |
2647 | /* check auto negotiation is complete */ | |
2648 | if (!(mii_status & BMSR_ANEGCOMPLETE)) { | |
2649 | /* still in autonegotiation - configure nic for 10 MBit HD and wait. */ | |
2650 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2651 | newdup = 0; | |
2652 | retval = 0; | |
2653 | dprintk(KERN_DEBUG "%s: autoneg not completed - falling back to 10HD.\n", dev->name); | |
2654 | goto set_speed; | |
2655 | } | |
2656 | ||
b6d0773f AA |
2657 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
2658 | lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ); | |
2659 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n", | |
2660 | dev->name, adv, lpa); | |
2661 | ||
1da177e4 LT |
2662 | retval = 1; |
2663 | if (np->gigabit == PHY_GIGABIT) { | |
eb91f61b AA |
2664 | control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
2665 | status_1000 = mii_rw(dev, np->phyaddr, MII_STAT1000, MII_READ); | |
1da177e4 LT |
2666 | |
2667 | if ((control_1000 & ADVERTISE_1000FULL) && | |
2668 | (status_1000 & LPA_1000FULL)) { | |
2669 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: GBit ethernet detected.\n", | |
2670 | dev->name); | |
2671 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_1000; | |
2672 | newdup = 1; | |
2673 | goto set_speed; | |
2674 | } | |
2675 | } | |
2676 | ||
1da177e4 | 2677 | /* FIXME: handle parallel detection properly */ |
eb91f61b AA |
2678 | adv_lpa = lpa & adv; |
2679 | if (adv_lpa & LPA_100FULL) { | |
1da177e4 LT |
2680 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
2681 | newdup = 1; | |
eb91f61b | 2682 | } else if (adv_lpa & LPA_100HALF) { |
1da177e4 LT |
2683 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
2684 | newdup = 0; | |
eb91f61b | 2685 | } else if (adv_lpa & LPA_10FULL) { |
1da177e4 LT |
2686 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
2687 | newdup = 1; | |
eb91f61b | 2688 | } else if (adv_lpa & LPA_10HALF) { |
1da177e4 LT |
2689 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
2690 | newdup = 0; | |
2691 | } else { | |
eb91f61b | 2692 | dprintk(KERN_DEBUG "%s: bad ability %04x - falling back to 10HD.\n", dev->name, adv_lpa); |
1da177e4 LT |
2693 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
2694 | newdup = 0; | |
2695 | } | |
2696 | ||
2697 | set_speed: | |
2698 | if (np->duplex == newdup && np->linkspeed == newls) | |
2699 | return retval; | |
2700 | ||
2701 | dprintk(KERN_INFO "%s: changing link setting from %d/%d to %d/%d.\n", | |
2702 | dev->name, np->linkspeed, np->duplex, newls, newdup); | |
2703 | ||
2704 | np->duplex = newdup; | |
2705 | np->linkspeed = newls; | |
2706 | ||
2707 | if (np->gigabit == PHY_GIGABIT) { | |
2708 | phyreg = readl(base + NvRegRandomSeed); | |
2709 | phyreg &= ~(0x3FF00); | |
2710 | if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_10) | |
2711 | phyreg |= NVREG_RNDSEED_FORCE3; | |
2712 | else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100) | |
2713 | phyreg |= NVREG_RNDSEED_FORCE2; | |
2714 | else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000) | |
2715 | phyreg |= NVREG_RNDSEED_FORCE; | |
2716 | writel(phyreg, base + NvRegRandomSeed); | |
2717 | } | |
2718 | ||
2719 | phyreg = readl(base + NvRegPhyInterface); | |
2720 | phyreg &= ~(PHY_HALF|PHY_100|PHY_1000); | |
2721 | if (np->duplex == 0) | |
2722 | phyreg |= PHY_HALF; | |
2723 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_100) | |
2724 | phyreg |= PHY_100; | |
2725 | else if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) | |
2726 | phyreg |= PHY_1000; | |
2727 | writel(phyreg, base + NvRegPhyInterface); | |
2728 | ||
9744e218 AA |
2729 | if (phyreg & PHY_RGMII) { |
2730 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) | |
2731 | txreg = NVREG_TX_DEFERRAL_RGMII_1000; | |
2732 | else | |
2733 | txreg = NVREG_TX_DEFERRAL_RGMII_10_100; | |
2734 | } else { | |
2735 | txreg = NVREG_TX_DEFERRAL_DEFAULT; | |
2736 | } | |
2737 | writel(txreg, base + NvRegTxDeferral); | |
2738 | ||
95d161cb AA |
2739 | if (np->desc_ver == DESC_VER_1) { |
2740 | txreg = NVREG_TX_WM_DESC1_DEFAULT; | |
2741 | } else { | |
2742 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) | |
2743 | txreg = NVREG_TX_WM_DESC2_3_1000; | |
2744 | else | |
2745 | txreg = NVREG_TX_WM_DESC2_3_DEFAULT; | |
2746 | } | |
2747 | writel(txreg, base + NvRegTxWatermark); | |
2748 | ||
1da177e4 LT |
2749 | writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD), |
2750 | base + NvRegMisc1); | |
2751 | pci_push(base); | |
2752 | writel(np->linkspeed, base + NvRegLinkSpeed); | |
2753 | pci_push(base); | |
2754 | ||
b6d0773f AA |
2755 | pause_flags = 0; |
2756 | /* setup pause frame */ | |
eb91f61b | 2757 | if (np->duplex != 0) { |
b6d0773f AA |
2758 | if (np->autoneg && np->pause_flags & NV_PAUSEFRAME_AUTONEG) { |
2759 | adv_pause = adv & (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM); | |
2760 | lpa_pause = lpa & (LPA_PAUSE_CAP| LPA_PAUSE_ASYM); | |
2761 | ||
2762 | switch (adv_pause) { | |
f82a9352 | 2763 | case ADVERTISE_PAUSE_CAP: |
b6d0773f AA |
2764 | if (lpa_pause & LPA_PAUSE_CAP) { |
2765 | pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2766 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
2767 | pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2768 | } | |
2769 | break; | |
f82a9352 | 2770 | case ADVERTISE_PAUSE_ASYM: |
b6d0773f AA |
2771 | if (lpa_pause == (LPA_PAUSE_CAP| LPA_PAUSE_ASYM)) |
2772 | { | |
2773 | pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2774 | } | |
2775 | break; | |
f82a9352 | 2776 | case ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM: |
b6d0773f AA |
2777 | if (lpa_pause & LPA_PAUSE_CAP) |
2778 | { | |
2779 | pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2780 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
2781 | pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2782 | } | |
2783 | if (lpa_pause == LPA_PAUSE_ASYM) | |
2784 | { | |
2785 | pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2786 | } | |
2787 | break; | |
f3b197ac | 2788 | } |
eb91f61b | 2789 | } else { |
b6d0773f | 2790 | pause_flags = np->pause_flags; |
eb91f61b AA |
2791 | } |
2792 | } | |
b6d0773f | 2793 | nv_update_pause(dev, pause_flags); |
eb91f61b | 2794 | |
1da177e4 LT |
2795 | return retval; |
2796 | } | |
2797 | ||
2798 | static void nv_linkchange(struct net_device *dev) | |
2799 | { | |
2800 | if (nv_update_linkspeed(dev)) { | |
4ea7f299 | 2801 | if (!netif_carrier_ok(dev)) { |
1da177e4 LT |
2802 | netif_carrier_on(dev); |
2803 | printk(KERN_INFO "%s: link up.\n", dev->name); | |
4ea7f299 | 2804 | nv_start_rx(dev); |
1da177e4 | 2805 | } |
1da177e4 LT |
2806 | } else { |
2807 | if (netif_carrier_ok(dev)) { | |
2808 | netif_carrier_off(dev); | |
2809 | printk(KERN_INFO "%s: link down.\n", dev->name); | |
2810 | nv_stop_rx(dev); | |
2811 | } | |
2812 | } | |
2813 | } | |
2814 | ||
2815 | static void nv_link_irq(struct net_device *dev) | |
2816 | { | |
2817 | u8 __iomem *base = get_hwbase(dev); | |
2818 | u32 miistat; | |
2819 | ||
2820 | miistat = readl(base + NvRegMIIStatus); | |
2821 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); | |
2822 | dprintk(KERN_INFO "%s: link change irq, status 0x%x.\n", dev->name, miistat); | |
2823 | ||
2824 | if (miistat & (NVREG_MIISTAT_LINKCHANGE)) | |
2825 | nv_linkchange(dev); | |
2826 | dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); | |
2827 | } | |
2828 | ||
7d12e780 | 2829 | static irqreturn_t nv_nic_irq(int foo, void *data) |
1da177e4 LT |
2830 | { |
2831 | struct net_device *dev = (struct net_device *) data; | |
ac9c1897 | 2832 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
2833 | u8 __iomem *base = get_hwbase(dev); |
2834 | u32 events; | |
2835 | int i; | |
2836 | ||
2837 | dprintk(KERN_DEBUG "%s: nv_nic_irq\n", dev->name); | |
2838 | ||
2839 | for (i=0; ; i++) { | |
d33a73c8 AA |
2840 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { |
2841 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
2842 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
2843 | } else { | |
2844 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
2845 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
2846 | } | |
1da177e4 LT |
2847 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
2848 | if (!(events & np->irqmask)) | |
2849 | break; | |
2850 | ||
a971c324 AA |
2851 | spin_lock(&np->lock); |
2852 | nv_tx_done(dev); | |
2853 | spin_unlock(&np->lock); | |
f3b197ac | 2854 | |
f0734ab6 AA |
2855 | #ifdef CONFIG_FORCEDETH_NAPI |
2856 | if (events & NVREG_IRQ_RX_ALL) { | |
2857 | netif_rx_schedule(dev); | |
2858 | ||
2859 | /* Disable furthur receive irq's */ | |
2860 | spin_lock(&np->lock); | |
2861 | np->irqmask &= ~NVREG_IRQ_RX_ALL; | |
2862 | ||
2863 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
2864 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
2865 | else | |
2866 | writel(np->irqmask, base + NvRegIrqMask); | |
2867 | spin_unlock(&np->lock); | |
2868 | } | |
2869 | #else | |
2870 | if (nv_rx_process(dev, dev->weight)) { | |
2871 | if (unlikely(nv_alloc_rx(dev))) { | |
2872 | spin_lock(&np->lock); | |
2873 | if (!np->in_shutdown) | |
2874 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
2875 | spin_unlock(&np->lock); | |
2876 | } | |
2877 | } | |
2878 | #endif | |
2879 | if (unlikely(events & NVREG_IRQ_LINK)) { | |
1da177e4 LT |
2880 | spin_lock(&np->lock); |
2881 | nv_link_irq(dev); | |
2882 | spin_unlock(&np->lock); | |
2883 | } | |
f0734ab6 | 2884 | if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) { |
1da177e4 LT |
2885 | spin_lock(&np->lock); |
2886 | nv_linkchange(dev); | |
2887 | spin_unlock(&np->lock); | |
2888 | np->link_timeout = jiffies + LINK_TIMEOUT; | |
2889 | } | |
f0734ab6 | 2890 | if (unlikely(events & (NVREG_IRQ_TX_ERR))) { |
1da177e4 LT |
2891 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
2892 | dev->name, events); | |
2893 | } | |
f0734ab6 | 2894 | if (unlikely(events & (NVREG_IRQ_UNKNOWN))) { |
1da177e4 LT |
2895 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
2896 | dev->name, events); | |
2897 | } | |
c5cf9101 AA |
2898 | if (unlikely(events & NVREG_IRQ_RECOVER_ERROR)) { |
2899 | spin_lock(&np->lock); | |
2900 | /* disable interrupts on the nic */ | |
2901 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
2902 | writel(0, base + NvRegIrqMask); | |
2903 | else | |
2904 | writel(np->irqmask, base + NvRegIrqMask); | |
2905 | pci_push(base); | |
2906 | ||
2907 | if (!np->in_shutdown) { | |
2908 | np->nic_poll_irq = np->irqmask; | |
2909 | np->recover_error = 1; | |
2910 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
2911 | } | |
2912 | spin_unlock(&np->lock); | |
2913 | break; | |
2914 | } | |
f0734ab6 | 2915 | if (unlikely(i > max_interrupt_work)) { |
1da177e4 LT |
2916 | spin_lock(&np->lock); |
2917 | /* disable interrupts on the nic */ | |
d33a73c8 AA |
2918 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) |
2919 | writel(0, base + NvRegIrqMask); | |
2920 | else | |
2921 | writel(np->irqmask, base + NvRegIrqMask); | |
1da177e4 LT |
2922 | pci_push(base); |
2923 | ||
d33a73c8 AA |
2924 | if (!np->in_shutdown) { |
2925 | np->nic_poll_irq = np->irqmask; | |
1da177e4 | 2926 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
d33a73c8 | 2927 | } |
1da177e4 LT |
2928 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); |
2929 | spin_unlock(&np->lock); | |
2930 | break; | |
2931 | } | |
2932 | ||
2933 | } | |
2934 | dprintk(KERN_DEBUG "%s: nv_nic_irq completed\n", dev->name); | |
2935 | ||
2936 | return IRQ_RETVAL(i); | |
2937 | } | |
2938 | ||
f0734ab6 AA |
2939 | #define TX_WORK_PER_LOOP 64 |
2940 | #define RX_WORK_PER_LOOP 64 | |
2941 | /** | |
2942 | * All _optimized functions are used to help increase performance | |
2943 | * (reduce CPU and increase throughput). They use descripter version 3, | |
2944 | * compiler directives, and reduce memory accesses. | |
2945 | */ | |
86b22b0d AA |
2946 | static irqreturn_t nv_nic_irq_optimized(int foo, void *data) |
2947 | { | |
2948 | struct net_device *dev = (struct net_device *) data; | |
2949 | struct fe_priv *np = netdev_priv(dev); | |
2950 | u8 __iomem *base = get_hwbase(dev); | |
2951 | u32 events; | |
2952 | int i; | |
2953 | ||
2954 | dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized\n", dev->name); | |
2955 | ||
2956 | for (i=0; ; i++) { | |
2957 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { | |
2958 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
2959 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
2960 | } else { | |
2961 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
2962 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
2963 | } | |
86b22b0d AA |
2964 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
2965 | if (!(events & np->irqmask)) | |
2966 | break; | |
2967 | ||
2968 | spin_lock(&np->lock); | |
4e16ed1b | 2969 | nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); |
86b22b0d AA |
2970 | spin_unlock(&np->lock); |
2971 | ||
f0734ab6 AA |
2972 | #ifdef CONFIG_FORCEDETH_NAPI |
2973 | if (events & NVREG_IRQ_RX_ALL) { | |
2974 | netif_rx_schedule(dev); | |
2975 | ||
2976 | /* Disable furthur receive irq's */ | |
2977 | spin_lock(&np->lock); | |
2978 | np->irqmask &= ~NVREG_IRQ_RX_ALL; | |
2979 | ||
2980 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
2981 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
2982 | else | |
2983 | writel(np->irqmask, base + NvRegIrqMask); | |
2984 | spin_unlock(&np->lock); | |
2985 | } | |
2986 | #else | |
2987 | if (nv_rx_process_optimized(dev, dev->weight)) { | |
2988 | if (unlikely(nv_alloc_rx_optimized(dev))) { | |
2989 | spin_lock(&np->lock); | |
2990 | if (!np->in_shutdown) | |
2991 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
2992 | spin_unlock(&np->lock); | |
2993 | } | |
2994 | } | |
2995 | #endif | |
2996 | if (unlikely(events & NVREG_IRQ_LINK)) { | |
86b22b0d AA |
2997 | spin_lock(&np->lock); |
2998 | nv_link_irq(dev); | |
2999 | spin_unlock(&np->lock); | |
3000 | } | |
f0734ab6 | 3001 | if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) { |
86b22b0d AA |
3002 | spin_lock(&np->lock); |
3003 | nv_linkchange(dev); | |
3004 | spin_unlock(&np->lock); | |
3005 | np->link_timeout = jiffies + LINK_TIMEOUT; | |
3006 | } | |
f0734ab6 | 3007 | if (unlikely(events & (NVREG_IRQ_TX_ERR))) { |
86b22b0d AA |
3008 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
3009 | dev->name, events); | |
3010 | } | |
f0734ab6 | 3011 | if (unlikely(events & (NVREG_IRQ_UNKNOWN))) { |
86b22b0d AA |
3012 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
3013 | dev->name, events); | |
3014 | } | |
3015 | if (unlikely(events & NVREG_IRQ_RECOVER_ERROR)) { | |
3016 | spin_lock(&np->lock); | |
3017 | /* disable interrupts on the nic */ | |
3018 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
3019 | writel(0, base + NvRegIrqMask); | |
3020 | else | |
3021 | writel(np->irqmask, base + NvRegIrqMask); | |
3022 | pci_push(base); | |
3023 | ||
3024 | if (!np->in_shutdown) { | |
3025 | np->nic_poll_irq = np->irqmask; | |
3026 | np->recover_error = 1; | |
3027 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3028 | } | |
3029 | spin_unlock(&np->lock); | |
3030 | break; | |
3031 | } | |
3032 | ||
f0734ab6 | 3033 | if (unlikely(i > max_interrupt_work)) { |
86b22b0d AA |
3034 | spin_lock(&np->lock); |
3035 | /* disable interrupts on the nic */ | |
3036 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
3037 | writel(0, base + NvRegIrqMask); | |
3038 | else | |
3039 | writel(np->irqmask, base + NvRegIrqMask); | |
3040 | pci_push(base); | |
3041 | ||
3042 | if (!np->in_shutdown) { | |
3043 | np->nic_poll_irq = np->irqmask; | |
3044 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3045 | } | |
3046 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); | |
3047 | spin_unlock(&np->lock); | |
3048 | break; | |
3049 | } | |
3050 | ||
3051 | } | |
3052 | dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized completed\n", dev->name); | |
3053 | ||
3054 | return IRQ_RETVAL(i); | |
3055 | } | |
3056 | ||
7d12e780 | 3057 | static irqreturn_t nv_nic_irq_tx(int foo, void *data) |
d33a73c8 AA |
3058 | { |
3059 | struct net_device *dev = (struct net_device *) data; | |
3060 | struct fe_priv *np = netdev_priv(dev); | |
3061 | u8 __iomem *base = get_hwbase(dev); | |
3062 | u32 events; | |
3063 | int i; | |
0a07bc64 | 3064 | unsigned long flags; |
d33a73c8 AA |
3065 | |
3066 | dprintk(KERN_DEBUG "%s: nv_nic_irq_tx\n", dev->name); | |
3067 | ||
3068 | for (i=0; ; i++) { | |
3069 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_TX_ALL; | |
3070 | writel(NVREG_IRQ_TX_ALL, base + NvRegMSIXIrqStatus); | |
d33a73c8 AA |
3071 | dprintk(KERN_DEBUG "%s: tx irq: %08x\n", dev->name, events); |
3072 | if (!(events & np->irqmask)) | |
3073 | break; | |
3074 | ||
0a07bc64 | 3075 | spin_lock_irqsave(&np->lock, flags); |
4e16ed1b | 3076 | nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); |
0a07bc64 | 3077 | spin_unlock_irqrestore(&np->lock, flags); |
f3b197ac | 3078 | |
f0734ab6 | 3079 | if (unlikely(events & (NVREG_IRQ_TX_ERR))) { |
d33a73c8 AA |
3080 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
3081 | dev->name, events); | |
3082 | } | |
f0734ab6 | 3083 | if (unlikely(i > max_interrupt_work)) { |
0a07bc64 | 3084 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 AA |
3085 | /* disable interrupts on the nic */ |
3086 | writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask); | |
3087 | pci_push(base); | |
3088 | ||
3089 | if (!np->in_shutdown) { | |
3090 | np->nic_poll_irq |= NVREG_IRQ_TX_ALL; | |
3091 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3092 | } | |
3093 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i); | |
0a07bc64 | 3094 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3095 | break; |
3096 | } | |
3097 | ||
3098 | } | |
3099 | dprintk(KERN_DEBUG "%s: nv_nic_irq_tx completed\n", dev->name); | |
3100 | ||
3101 | return IRQ_RETVAL(i); | |
3102 | } | |
3103 | ||
e27cdba5 SH |
3104 | #ifdef CONFIG_FORCEDETH_NAPI |
3105 | static int nv_napi_poll(struct net_device *dev, int *budget) | |
3106 | { | |
3107 | int pkts, limit = min(*budget, dev->quota); | |
3108 | struct fe_priv *np = netdev_priv(dev); | |
3109 | u8 __iomem *base = get_hwbase(dev); | |
d15e9c4d | 3110 | unsigned long flags; |
e0379a14 | 3111 | int retcode; |
e27cdba5 | 3112 | |
e0379a14 | 3113 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
86b22b0d | 3114 | pkts = nv_rx_process(dev, limit); |
e0379a14 AA |
3115 | retcode = nv_alloc_rx(dev); |
3116 | } else { | |
86b22b0d | 3117 | pkts = nv_rx_process_optimized(dev, limit); |
e0379a14 AA |
3118 | retcode = nv_alloc_rx_optimized(dev); |
3119 | } | |
e27cdba5 | 3120 | |
e0379a14 | 3121 | if (retcode) { |
d15e9c4d | 3122 | spin_lock_irqsave(&np->lock, flags); |
e27cdba5 SH |
3123 | if (!np->in_shutdown) |
3124 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
d15e9c4d | 3125 | spin_unlock_irqrestore(&np->lock, flags); |
e27cdba5 SH |
3126 | } |
3127 | ||
3128 | if (pkts < limit) { | |
3129 | /* all done, no more packets present */ | |
3130 | netif_rx_complete(dev); | |
3131 | ||
3132 | /* re-enable receive interrupts */ | |
d15e9c4d FR |
3133 | spin_lock_irqsave(&np->lock, flags); |
3134 | ||
e27cdba5 SH |
3135 | np->irqmask |= NVREG_IRQ_RX_ALL; |
3136 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
3137 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3138 | else | |
3139 | writel(np->irqmask, base + NvRegIrqMask); | |
d15e9c4d FR |
3140 | |
3141 | spin_unlock_irqrestore(&np->lock, flags); | |
e27cdba5 SH |
3142 | return 0; |
3143 | } else { | |
3144 | /* used up our quantum, so reschedule */ | |
3145 | dev->quota -= pkts; | |
3146 | *budget -= pkts; | |
3147 | return 1; | |
3148 | } | |
3149 | } | |
3150 | #endif | |
3151 | ||
3152 | #ifdef CONFIG_FORCEDETH_NAPI | |
7d12e780 | 3153 | static irqreturn_t nv_nic_irq_rx(int foo, void *data) |
e27cdba5 SH |
3154 | { |
3155 | struct net_device *dev = (struct net_device *) data; | |
3156 | u8 __iomem *base = get_hwbase(dev); | |
3157 | u32 events; | |
3158 | ||
3159 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; | |
3160 | writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); | |
3161 | ||
3162 | if (events) { | |
3163 | netif_rx_schedule(dev); | |
3164 | /* disable receive interrupts on the nic */ | |
3165 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3166 | pci_push(base); | |
3167 | } | |
3168 | return IRQ_HANDLED; | |
3169 | } | |
3170 | #else | |
7d12e780 | 3171 | static irqreturn_t nv_nic_irq_rx(int foo, void *data) |
d33a73c8 AA |
3172 | { |
3173 | struct net_device *dev = (struct net_device *) data; | |
3174 | struct fe_priv *np = netdev_priv(dev); | |
3175 | u8 __iomem *base = get_hwbase(dev); | |
3176 | u32 events; | |
3177 | int i; | |
0a07bc64 | 3178 | unsigned long flags; |
d33a73c8 AA |
3179 | |
3180 | dprintk(KERN_DEBUG "%s: nv_nic_irq_rx\n", dev->name); | |
3181 | ||
3182 | for (i=0; ; i++) { | |
3183 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; | |
3184 | writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); | |
d33a73c8 AA |
3185 | dprintk(KERN_DEBUG "%s: rx irq: %08x\n", dev->name, events); |
3186 | if (!(events & np->irqmask)) | |
3187 | break; | |
f3b197ac | 3188 | |
f0734ab6 AA |
3189 | if (nv_rx_process_optimized(dev, dev->weight)) { |
3190 | if (unlikely(nv_alloc_rx_optimized(dev))) { | |
3191 | spin_lock_irqsave(&np->lock, flags); | |
3192 | if (!np->in_shutdown) | |
3193 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
3194 | spin_unlock_irqrestore(&np->lock, flags); | |
3195 | } | |
d33a73c8 | 3196 | } |
f3b197ac | 3197 | |
f0734ab6 | 3198 | if (unlikely(i > max_interrupt_work)) { |
0a07bc64 | 3199 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 AA |
3200 | /* disable interrupts on the nic */ |
3201 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3202 | pci_push(base); | |
3203 | ||
3204 | if (!np->in_shutdown) { | |
3205 | np->nic_poll_irq |= NVREG_IRQ_RX_ALL; | |
3206 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3207 | } | |
3208 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i); | |
0a07bc64 | 3209 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3210 | break; |
3211 | } | |
d33a73c8 AA |
3212 | } |
3213 | dprintk(KERN_DEBUG "%s: nv_nic_irq_rx completed\n", dev->name); | |
3214 | ||
3215 | return IRQ_RETVAL(i); | |
3216 | } | |
e27cdba5 | 3217 | #endif |
d33a73c8 | 3218 | |
7d12e780 | 3219 | static irqreturn_t nv_nic_irq_other(int foo, void *data) |
d33a73c8 AA |
3220 | { |
3221 | struct net_device *dev = (struct net_device *) data; | |
3222 | struct fe_priv *np = netdev_priv(dev); | |
3223 | u8 __iomem *base = get_hwbase(dev); | |
3224 | u32 events; | |
3225 | int i; | |
0a07bc64 | 3226 | unsigned long flags; |
d33a73c8 AA |
3227 | |
3228 | dprintk(KERN_DEBUG "%s: nv_nic_irq_other\n", dev->name); | |
3229 | ||
3230 | for (i=0; ; i++) { | |
3231 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_OTHER; | |
3232 | writel(NVREG_IRQ_OTHER, base + NvRegMSIXIrqStatus); | |
d33a73c8 AA |
3233 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
3234 | if (!(events & np->irqmask)) | |
3235 | break; | |
f3b197ac | 3236 | |
4e16ed1b AA |
3237 | /* check tx in case we reached max loop limit in tx isr */ |
3238 | spin_lock_irqsave(&np->lock, flags); | |
3239 | nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); | |
3240 | spin_unlock_irqrestore(&np->lock, flags); | |
3241 | ||
d33a73c8 | 3242 | if (events & NVREG_IRQ_LINK) { |
0a07bc64 | 3243 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 | 3244 | nv_link_irq(dev); |
0a07bc64 | 3245 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3246 | } |
3247 | if (np->need_linktimer && time_after(jiffies, np->link_timeout)) { | |
0a07bc64 | 3248 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 | 3249 | nv_linkchange(dev); |
0a07bc64 | 3250 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3251 | np->link_timeout = jiffies + LINK_TIMEOUT; |
3252 | } | |
c5cf9101 AA |
3253 | if (events & NVREG_IRQ_RECOVER_ERROR) { |
3254 | spin_lock_irq(&np->lock); | |
3255 | /* disable interrupts on the nic */ | |
3256 | writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); | |
3257 | pci_push(base); | |
3258 | ||
3259 | if (!np->in_shutdown) { | |
3260 | np->nic_poll_irq |= NVREG_IRQ_OTHER; | |
3261 | np->recover_error = 1; | |
3262 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3263 | } | |
3264 | spin_unlock_irq(&np->lock); | |
3265 | break; | |
3266 | } | |
d33a73c8 AA |
3267 | if (events & (NVREG_IRQ_UNKNOWN)) { |
3268 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", | |
3269 | dev->name, events); | |
3270 | } | |
f0734ab6 | 3271 | if (unlikely(i > max_interrupt_work)) { |
0a07bc64 | 3272 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 AA |
3273 | /* disable interrupts on the nic */ |
3274 | writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); | |
3275 | pci_push(base); | |
3276 | ||
3277 | if (!np->in_shutdown) { | |
3278 | np->nic_poll_irq |= NVREG_IRQ_OTHER; | |
3279 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3280 | } | |
3281 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i); | |
0a07bc64 | 3282 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3283 | break; |
3284 | } | |
3285 | ||
3286 | } | |
3287 | dprintk(KERN_DEBUG "%s: nv_nic_irq_other completed\n", dev->name); | |
3288 | ||
3289 | return IRQ_RETVAL(i); | |
3290 | } | |
3291 | ||
7d12e780 | 3292 | static irqreturn_t nv_nic_irq_test(int foo, void *data) |
9589c77a AA |
3293 | { |
3294 | struct net_device *dev = (struct net_device *) data; | |
3295 | struct fe_priv *np = netdev_priv(dev); | |
3296 | u8 __iomem *base = get_hwbase(dev); | |
3297 | u32 events; | |
3298 | ||
3299 | dprintk(KERN_DEBUG "%s: nv_nic_irq_test\n", dev->name); | |
3300 | ||
3301 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { | |
3302 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
3303 | writel(NVREG_IRQ_TIMER, base + NvRegIrqStatus); | |
3304 | } else { | |
3305 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
3306 | writel(NVREG_IRQ_TIMER, base + NvRegMSIXIrqStatus); | |
3307 | } | |
3308 | pci_push(base); | |
3309 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); | |
3310 | if (!(events & NVREG_IRQ_TIMER)) | |
3311 | return IRQ_RETVAL(0); | |
3312 | ||
3313 | spin_lock(&np->lock); | |
3314 | np->intr_test = 1; | |
3315 | spin_unlock(&np->lock); | |
3316 | ||
3317 | dprintk(KERN_DEBUG "%s: nv_nic_irq_test completed\n", dev->name); | |
3318 | ||
3319 | return IRQ_RETVAL(1); | |
3320 | } | |
3321 | ||
7a1854b7 AA |
3322 | static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask) |
3323 | { | |
3324 | u8 __iomem *base = get_hwbase(dev); | |
3325 | int i; | |
3326 | u32 msixmap = 0; | |
3327 | ||
3328 | /* Each interrupt bit can be mapped to a MSIX vector (4 bits). | |
3329 | * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents | |
3330 | * the remaining 8 interrupts. | |
3331 | */ | |
3332 | for (i = 0; i < 8; i++) { | |
3333 | if ((irqmask >> i) & 0x1) { | |
3334 | msixmap |= vector << (i << 2); | |
3335 | } | |
3336 | } | |
3337 | writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0); | |
3338 | ||
3339 | msixmap = 0; | |
3340 | for (i = 0; i < 8; i++) { | |
3341 | if ((irqmask >> (i + 8)) & 0x1) { | |
3342 | msixmap |= vector << (i << 2); | |
3343 | } | |
3344 | } | |
3345 | writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1); | |
3346 | } | |
3347 | ||
9589c77a | 3348 | static int nv_request_irq(struct net_device *dev, int intr_test) |
7a1854b7 AA |
3349 | { |
3350 | struct fe_priv *np = get_nvpriv(dev); | |
3351 | u8 __iomem *base = get_hwbase(dev); | |
3352 | int ret = 1; | |
3353 | int i; | |
86b22b0d AA |
3354 | irqreturn_t (*handler)(int foo, void *data); |
3355 | ||
3356 | if (intr_test) { | |
3357 | handler = nv_nic_irq_test; | |
3358 | } else { | |
3359 | if (np->desc_ver == DESC_VER_3) | |
3360 | handler = nv_nic_irq_optimized; | |
3361 | else | |
3362 | handler = nv_nic_irq; | |
3363 | } | |
7a1854b7 AA |
3364 | |
3365 | if (np->msi_flags & NV_MSI_X_CAPABLE) { | |
3366 | for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { | |
3367 | np->msi_x_entry[i].entry = i; | |
3368 | } | |
3369 | if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { | |
3370 | np->msi_flags |= NV_MSI_X_ENABLED; | |
9589c77a | 3371 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT && !intr_test) { |
7a1854b7 | 3372 | /* Request irq for rx handling */ |
1fb9df5d | 3373 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3374 | printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); |
3375 | pci_disable_msix(np->pci_dev); | |
3376 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3377 | goto out_err; | |
3378 | } | |
3379 | /* Request irq for tx handling */ | |
1fb9df5d | 3380 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3381 | printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); |
3382 | pci_disable_msix(np->pci_dev); | |
3383 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3384 | goto out_free_rx; | |
3385 | } | |
3386 | /* Request irq for link and timer handling */ | |
1fb9df5d | 3387 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3388 | printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); |
3389 | pci_disable_msix(np->pci_dev); | |
3390 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3391 | goto out_free_tx; | |
3392 | } | |
3393 | /* map interrupts to their respective vector */ | |
3394 | writel(0, base + NvRegMSIXMap0); | |
3395 | writel(0, base + NvRegMSIXMap1); | |
3396 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); | |
3397 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); | |
3398 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); | |
3399 | } else { | |
3400 | /* Request irq for all interrupts */ | |
86b22b0d | 3401 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, handler, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3402 | printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
3403 | pci_disable_msix(np->pci_dev); | |
3404 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3405 | goto out_err; | |
3406 | } | |
3407 | ||
3408 | /* map interrupts to vector 0 */ | |
3409 | writel(0, base + NvRegMSIXMap0); | |
3410 | writel(0, base + NvRegMSIXMap1); | |
3411 | } | |
3412 | } | |
3413 | } | |
3414 | if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { | |
3415 | if ((ret = pci_enable_msi(np->pci_dev)) == 0) { | |
3416 | np->msi_flags |= NV_MSI_ENABLED; | |
86b22b0d | 3417 | if (request_irq(np->pci_dev->irq, handler, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3418 | printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
3419 | pci_disable_msi(np->pci_dev); | |
3420 | np->msi_flags &= ~NV_MSI_ENABLED; | |
3421 | goto out_err; | |
3422 | } | |
3423 | ||
3424 | /* map interrupts to vector 0 */ | |
3425 | writel(0, base + NvRegMSIMap0); | |
3426 | writel(0, base + NvRegMSIMap1); | |
3427 | /* enable msi vector 0 */ | |
3428 | writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); | |
3429 | } | |
3430 | } | |
3431 | if (ret != 0) { | |
86b22b0d | 3432 | if (request_irq(np->pci_dev->irq, handler, IRQF_SHARED, dev->name, dev) != 0) |
7a1854b7 | 3433 | goto out_err; |
9589c77a | 3434 | |
7a1854b7 AA |
3435 | } |
3436 | ||
3437 | return 0; | |
3438 | out_free_tx: | |
3439 | free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev); | |
3440 | out_free_rx: | |
3441 | free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev); | |
3442 | out_err: | |
3443 | return 1; | |
3444 | } | |
3445 | ||
3446 | static void nv_free_irq(struct net_device *dev) | |
3447 | { | |
3448 | struct fe_priv *np = get_nvpriv(dev); | |
3449 | int i; | |
3450 | ||
3451 | if (np->msi_flags & NV_MSI_X_ENABLED) { | |
3452 | for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { | |
3453 | free_irq(np->msi_x_entry[i].vector, dev); | |
3454 | } | |
3455 | pci_disable_msix(np->pci_dev); | |
3456 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3457 | } else { | |
3458 | free_irq(np->pci_dev->irq, dev); | |
3459 | if (np->msi_flags & NV_MSI_ENABLED) { | |
3460 | pci_disable_msi(np->pci_dev); | |
3461 | np->msi_flags &= ~NV_MSI_ENABLED; | |
3462 | } | |
3463 | } | |
3464 | } | |
3465 | ||
1da177e4 LT |
3466 | static void nv_do_nic_poll(unsigned long data) |
3467 | { | |
3468 | struct net_device *dev = (struct net_device *) data; | |
ac9c1897 | 3469 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 3470 | u8 __iomem *base = get_hwbase(dev); |
d33a73c8 | 3471 | u32 mask = 0; |
1da177e4 | 3472 | |
1da177e4 | 3473 | /* |
d33a73c8 | 3474 | * First disable irq(s) and then |
1da177e4 LT |
3475 | * reenable interrupts on the nic, we have to do this before calling |
3476 | * nv_nic_irq because that may decide to do otherwise | |
3477 | */ | |
d33a73c8 | 3478 | |
84b3932b AA |
3479 | if (!using_multi_irqs(dev)) { |
3480 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
8688cfce | 3481 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
84b3932b | 3482 | else |
8688cfce | 3483 | disable_irq_lockdep(dev->irq); |
d33a73c8 AA |
3484 | mask = np->irqmask; |
3485 | } else { | |
3486 | if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { | |
8688cfce | 3487 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
d33a73c8 AA |
3488 | mask |= NVREG_IRQ_RX_ALL; |
3489 | } | |
3490 | if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { | |
8688cfce | 3491 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
d33a73c8 AA |
3492 | mask |= NVREG_IRQ_TX_ALL; |
3493 | } | |
3494 | if (np->nic_poll_irq & NVREG_IRQ_OTHER) { | |
8688cfce | 3495 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
d33a73c8 AA |
3496 | mask |= NVREG_IRQ_OTHER; |
3497 | } | |
3498 | } | |
3499 | np->nic_poll_irq = 0; | |
3500 | ||
c5cf9101 AA |
3501 | if (np->recover_error) { |
3502 | np->recover_error = 0; | |
3503 | printk(KERN_INFO "forcedeth: MAC in recoverable error state\n"); | |
3504 | if (netif_running(dev)) { | |
3505 | netif_tx_lock_bh(dev); | |
3506 | spin_lock(&np->lock); | |
3507 | /* stop engines */ | |
3508 | nv_stop_rx(dev); | |
3509 | nv_stop_tx(dev); | |
3510 | nv_txrx_reset(dev); | |
3511 | /* drain rx queue */ | |
3512 | nv_drain_rx(dev); | |
3513 | nv_drain_tx(dev); | |
3514 | /* reinit driver view of the rx queue */ | |
3515 | set_bufsize(dev); | |
3516 | if (nv_init_ring(dev)) { | |
3517 | if (!np->in_shutdown) | |
3518 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
3519 | } | |
3520 | /* reinit nic view of the rx queue */ | |
3521 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
3522 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
3523 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
3524 | base + NvRegRingSizes); | |
3525 | pci_push(base); | |
3526 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
3527 | pci_push(base); | |
3528 | ||
3529 | /* restart rx engine */ | |
3530 | nv_start_rx(dev); | |
3531 | nv_start_tx(dev); | |
3532 | spin_unlock(&np->lock); | |
3533 | netif_tx_unlock_bh(dev); | |
3534 | } | |
3535 | } | |
3536 | ||
d33a73c8 | 3537 | /* FIXME: Do we need synchronize_irq(dev->irq) here? */ |
f3b197ac | 3538 | |
d33a73c8 | 3539 | writel(mask, base + NvRegIrqMask); |
1da177e4 | 3540 | pci_push(base); |
d33a73c8 | 3541 | |
84b3932b | 3542 | if (!using_multi_irqs(dev)) { |
fcc5f266 AA |
3543 | if (np->desc_ver == DESC_VER_3) |
3544 | nv_nic_irq_optimized(0, dev); | |
3545 | else | |
3546 | nv_nic_irq(0, dev); | |
84b3932b | 3547 | if (np->msi_flags & NV_MSI_X_ENABLED) |
8688cfce | 3548 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
84b3932b | 3549 | else |
8688cfce | 3550 | enable_irq_lockdep(dev->irq); |
d33a73c8 AA |
3551 | } else { |
3552 | if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { | |
7d12e780 | 3553 | nv_nic_irq_rx(0, dev); |
8688cfce | 3554 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
d33a73c8 AA |
3555 | } |
3556 | if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { | |
7d12e780 | 3557 | nv_nic_irq_tx(0, dev); |
8688cfce | 3558 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
d33a73c8 AA |
3559 | } |
3560 | if (np->nic_poll_irq & NVREG_IRQ_OTHER) { | |
7d12e780 | 3561 | nv_nic_irq_other(0, dev); |
8688cfce | 3562 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
d33a73c8 AA |
3563 | } |
3564 | } | |
1da177e4 LT |
3565 | } |
3566 | ||
2918c35d MS |
3567 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3568 | static void nv_poll_controller(struct net_device *dev) | |
3569 | { | |
3570 | nv_do_nic_poll((unsigned long) dev); | |
3571 | } | |
3572 | #endif | |
3573 | ||
52da3578 AA |
3574 | static void nv_do_stats_poll(unsigned long data) |
3575 | { | |
3576 | struct net_device *dev = (struct net_device *) data; | |
3577 | struct fe_priv *np = netdev_priv(dev); | |
52da3578 | 3578 | |
57fff698 | 3579 | nv_get_hw_stats(dev); |
52da3578 AA |
3580 | |
3581 | if (!np->in_shutdown) | |
3582 | mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); | |
3583 | } | |
3584 | ||
1da177e4 LT |
3585 | static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
3586 | { | |
ac9c1897 | 3587 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
3588 | strcpy(info->driver, "forcedeth"); |
3589 | strcpy(info->version, FORCEDETH_VERSION); | |
3590 | strcpy(info->bus_info, pci_name(np->pci_dev)); | |
3591 | } | |
3592 | ||
3593 | static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) | |
3594 | { | |
ac9c1897 | 3595 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
3596 | wolinfo->supported = WAKE_MAGIC; |
3597 | ||
3598 | spin_lock_irq(&np->lock); | |
3599 | if (np->wolenabled) | |
3600 | wolinfo->wolopts = WAKE_MAGIC; | |
3601 | spin_unlock_irq(&np->lock); | |
3602 | } | |
3603 | ||
3604 | static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) | |
3605 | { | |
ac9c1897 | 3606 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 3607 | u8 __iomem *base = get_hwbase(dev); |
c42d9df9 | 3608 | u32 flags = 0; |
1da177e4 | 3609 | |
1da177e4 | 3610 | if (wolinfo->wolopts == 0) { |
1da177e4 | 3611 | np->wolenabled = 0; |
c42d9df9 | 3612 | } else if (wolinfo->wolopts & WAKE_MAGIC) { |
1da177e4 | 3613 | np->wolenabled = 1; |
c42d9df9 AA |
3614 | flags = NVREG_WAKEUPFLAGS_ENABLE; |
3615 | } | |
3616 | if (netif_running(dev)) { | |
3617 | spin_lock_irq(&np->lock); | |
3618 | writel(flags, base + NvRegWakeUpFlags); | |
3619 | spin_unlock_irq(&np->lock); | |
1da177e4 | 3620 | } |
1da177e4 LT |
3621 | return 0; |
3622 | } | |
3623 | ||
3624 | static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
3625 | { | |
3626 | struct fe_priv *np = netdev_priv(dev); | |
3627 | int adv; | |
3628 | ||
3629 | spin_lock_irq(&np->lock); | |
3630 | ecmd->port = PORT_MII; | |
3631 | if (!netif_running(dev)) { | |
3632 | /* We do not track link speed / duplex setting if the | |
3633 | * interface is disabled. Force a link check */ | |
f9430a01 AA |
3634 | if (nv_update_linkspeed(dev)) { |
3635 | if (!netif_carrier_ok(dev)) | |
3636 | netif_carrier_on(dev); | |
3637 | } else { | |
3638 | if (netif_carrier_ok(dev)) | |
3639 | netif_carrier_off(dev); | |
3640 | } | |
1da177e4 | 3641 | } |
f9430a01 AA |
3642 | |
3643 | if (netif_carrier_ok(dev)) { | |
3644 | switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) { | |
1da177e4 LT |
3645 | case NVREG_LINKSPEED_10: |
3646 | ecmd->speed = SPEED_10; | |
3647 | break; | |
3648 | case NVREG_LINKSPEED_100: | |
3649 | ecmd->speed = SPEED_100; | |
3650 | break; | |
3651 | case NVREG_LINKSPEED_1000: | |
3652 | ecmd->speed = SPEED_1000; | |
3653 | break; | |
f9430a01 AA |
3654 | } |
3655 | ecmd->duplex = DUPLEX_HALF; | |
3656 | if (np->duplex) | |
3657 | ecmd->duplex = DUPLEX_FULL; | |
3658 | } else { | |
3659 | ecmd->speed = -1; | |
3660 | ecmd->duplex = -1; | |
1da177e4 | 3661 | } |
1da177e4 LT |
3662 | |
3663 | ecmd->autoneg = np->autoneg; | |
3664 | ||
3665 | ecmd->advertising = ADVERTISED_MII; | |
3666 | if (np->autoneg) { | |
3667 | ecmd->advertising |= ADVERTISED_Autoneg; | |
3668 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
f9430a01 AA |
3669 | if (adv & ADVERTISE_10HALF) |
3670 | ecmd->advertising |= ADVERTISED_10baseT_Half; | |
3671 | if (adv & ADVERTISE_10FULL) | |
3672 | ecmd->advertising |= ADVERTISED_10baseT_Full; | |
3673 | if (adv & ADVERTISE_100HALF) | |
3674 | ecmd->advertising |= ADVERTISED_100baseT_Half; | |
3675 | if (adv & ADVERTISE_100FULL) | |
3676 | ecmd->advertising |= ADVERTISED_100baseT_Full; | |
3677 | if (np->gigabit == PHY_GIGABIT) { | |
3678 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); | |
3679 | if (adv & ADVERTISE_1000FULL) | |
3680 | ecmd->advertising |= ADVERTISED_1000baseT_Full; | |
3681 | } | |
1da177e4 | 3682 | } |
1da177e4 LT |
3683 | ecmd->supported = (SUPPORTED_Autoneg | |
3684 | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | | |
3685 | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | | |
3686 | SUPPORTED_MII); | |
3687 | if (np->gigabit == PHY_GIGABIT) | |
3688 | ecmd->supported |= SUPPORTED_1000baseT_Full; | |
3689 | ||
3690 | ecmd->phy_address = np->phyaddr; | |
3691 | ecmd->transceiver = XCVR_EXTERNAL; | |
3692 | ||
3693 | /* ignore maxtxpkt, maxrxpkt for now */ | |
3694 | spin_unlock_irq(&np->lock); | |
3695 | return 0; | |
3696 | } | |
3697 | ||
3698 | static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
3699 | { | |
3700 | struct fe_priv *np = netdev_priv(dev); | |
3701 | ||
3702 | if (ecmd->port != PORT_MII) | |
3703 | return -EINVAL; | |
3704 | if (ecmd->transceiver != XCVR_EXTERNAL) | |
3705 | return -EINVAL; | |
3706 | if (ecmd->phy_address != np->phyaddr) { | |
3707 | /* TODO: support switching between multiple phys. Should be | |
3708 | * trivial, but not enabled due to lack of test hardware. */ | |
3709 | return -EINVAL; | |
3710 | } | |
3711 | if (ecmd->autoneg == AUTONEG_ENABLE) { | |
3712 | u32 mask; | |
3713 | ||
3714 | mask = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | | |
3715 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full; | |
3716 | if (np->gigabit == PHY_GIGABIT) | |
3717 | mask |= ADVERTISED_1000baseT_Full; | |
3718 | ||
3719 | if ((ecmd->advertising & mask) == 0) | |
3720 | return -EINVAL; | |
3721 | ||
3722 | } else if (ecmd->autoneg == AUTONEG_DISABLE) { | |
3723 | /* Note: autonegotiation disable, speed 1000 intentionally | |
3724 | * forbidden - noone should need that. */ | |
3725 | ||
3726 | if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100) | |
3727 | return -EINVAL; | |
3728 | if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) | |
3729 | return -EINVAL; | |
3730 | } else { | |
3731 | return -EINVAL; | |
3732 | } | |
3733 | ||
f9430a01 AA |
3734 | netif_carrier_off(dev); |
3735 | if (netif_running(dev)) { | |
3736 | nv_disable_irq(dev); | |
58dfd9c1 | 3737 | netif_tx_lock_bh(dev); |
f9430a01 AA |
3738 | spin_lock(&np->lock); |
3739 | /* stop engines */ | |
3740 | nv_stop_rx(dev); | |
3741 | nv_stop_tx(dev); | |
3742 | spin_unlock(&np->lock); | |
58dfd9c1 | 3743 | netif_tx_unlock_bh(dev); |
f9430a01 AA |
3744 | } |
3745 | ||
1da177e4 LT |
3746 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
3747 | int adv, bmcr; | |
3748 | ||
3749 | np->autoneg = 1; | |
3750 | ||
3751 | /* advertise only what has been requested */ | |
3752 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
eb91f61b | 3753 | adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
1da177e4 LT |
3754 | if (ecmd->advertising & ADVERTISED_10baseT_Half) |
3755 | adv |= ADVERTISE_10HALF; | |
3756 | if (ecmd->advertising & ADVERTISED_10baseT_Full) | |
b6d0773f | 3757 | adv |= ADVERTISE_10FULL; |
1da177e4 LT |
3758 | if (ecmd->advertising & ADVERTISED_100baseT_Half) |
3759 | adv |= ADVERTISE_100HALF; | |
3760 | if (ecmd->advertising & ADVERTISED_100baseT_Full) | |
b6d0773f AA |
3761 | adv |= ADVERTISE_100FULL; |
3762 | if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ | |
3763 | adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
3764 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
3765 | adv |= ADVERTISE_PAUSE_ASYM; | |
1da177e4 LT |
3766 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
3767 | ||
3768 | if (np->gigabit == PHY_GIGABIT) { | |
eb91f61b | 3769 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
1da177e4 LT |
3770 | adv &= ~ADVERTISE_1000FULL; |
3771 | if (ecmd->advertising & ADVERTISED_1000baseT_Full) | |
3772 | adv |= ADVERTISE_1000FULL; | |
eb91f61b | 3773 | mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
1da177e4 LT |
3774 | } |
3775 | ||
f9430a01 AA |
3776 | if (netif_running(dev)) |
3777 | printk(KERN_INFO "%s: link down.\n", dev->name); | |
1da177e4 | 3778 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
edf7e5ec AA |
3779 | if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
3780 | bmcr |= BMCR_ANENABLE; | |
3781 | /* reset the phy in order for settings to stick, | |
3782 | * and cause autoneg to start */ | |
3783 | if (phy_reset(dev, bmcr)) { | |
3784 | printk(KERN_INFO "%s: phy reset failed\n", dev->name); | |
3785 | return -EINVAL; | |
3786 | } | |
3787 | } else { | |
3788 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
3789 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
3790 | } | |
1da177e4 LT |
3791 | } else { |
3792 | int adv, bmcr; | |
3793 | ||
3794 | np->autoneg = 0; | |
3795 | ||
3796 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
eb91f61b | 3797 | adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
1da177e4 LT |
3798 | if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_HALF) |
3799 | adv |= ADVERTISE_10HALF; | |
3800 | if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_FULL) | |
b6d0773f | 3801 | adv |= ADVERTISE_10FULL; |
1da177e4 LT |
3802 | if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_HALF) |
3803 | adv |= ADVERTISE_100HALF; | |
3804 | if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_FULL) | |
b6d0773f AA |
3805 | adv |= ADVERTISE_100FULL; |
3806 | np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); | |
3807 | if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) {/* for rx we set both advertisments but disable tx pause */ | |
3808 | adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
3809 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
3810 | } | |
3811 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) { | |
3812 | adv |= ADVERTISE_PAUSE_ASYM; | |
3813 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
3814 | } | |
1da177e4 LT |
3815 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
3816 | np->fixed_mode = adv; | |
3817 | ||
3818 | if (np->gigabit == PHY_GIGABIT) { | |
eb91f61b | 3819 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
1da177e4 | 3820 | adv &= ~ADVERTISE_1000FULL; |
eb91f61b | 3821 | mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
1da177e4 LT |
3822 | } |
3823 | ||
3824 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
f9430a01 AA |
3825 | bmcr &= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_SPEED1000|BMCR_FULLDPLX); |
3826 | if (np->fixed_mode & (ADVERTISE_10FULL|ADVERTISE_100FULL)) | |
1da177e4 | 3827 | bmcr |= BMCR_FULLDPLX; |
f9430a01 | 3828 | if (np->fixed_mode & (ADVERTISE_100HALF|ADVERTISE_100FULL)) |
1da177e4 | 3829 | bmcr |= BMCR_SPEED100; |
f9430a01 | 3830 | if (np->phy_oui == PHY_OUI_MARVELL) { |
edf7e5ec AA |
3831 | /* reset the phy in order for forced mode settings to stick */ |
3832 | if (phy_reset(dev, bmcr)) { | |
f9430a01 AA |
3833 | printk(KERN_INFO "%s: phy reset failed\n", dev->name); |
3834 | return -EINVAL; | |
3835 | } | |
edf7e5ec AA |
3836 | } else { |
3837 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
3838 | if (netif_running(dev)) { | |
3839 | /* Wait a bit and then reconfigure the nic. */ | |
3840 | udelay(10); | |
3841 | nv_linkchange(dev); | |
3842 | } | |
1da177e4 LT |
3843 | } |
3844 | } | |
f9430a01 AA |
3845 | |
3846 | if (netif_running(dev)) { | |
3847 | nv_start_rx(dev); | |
3848 | nv_start_tx(dev); | |
3849 | nv_enable_irq(dev); | |
3850 | } | |
1da177e4 LT |
3851 | |
3852 | return 0; | |
3853 | } | |
3854 | ||
dc8216c1 | 3855 | #define FORCEDETH_REGS_VER 1 |
dc8216c1 MS |
3856 | |
3857 | static int nv_get_regs_len(struct net_device *dev) | |
3858 | { | |
86a0f043 AA |
3859 | struct fe_priv *np = netdev_priv(dev); |
3860 | return np->register_size; | |
dc8216c1 MS |
3861 | } |
3862 | ||
3863 | static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf) | |
3864 | { | |
ac9c1897 | 3865 | struct fe_priv *np = netdev_priv(dev); |
dc8216c1 MS |
3866 | u8 __iomem *base = get_hwbase(dev); |
3867 | u32 *rbuf = buf; | |
3868 | int i; | |
3869 | ||
3870 | regs->version = FORCEDETH_REGS_VER; | |
3871 | spin_lock_irq(&np->lock); | |
86a0f043 | 3872 | for (i = 0;i <= np->register_size/sizeof(u32); i++) |
dc8216c1 MS |
3873 | rbuf[i] = readl(base + i*sizeof(u32)); |
3874 | spin_unlock_irq(&np->lock); | |
3875 | } | |
3876 | ||
3877 | static int nv_nway_reset(struct net_device *dev) | |
3878 | { | |
ac9c1897 | 3879 | struct fe_priv *np = netdev_priv(dev); |
dc8216c1 MS |
3880 | int ret; |
3881 | ||
dc8216c1 MS |
3882 | if (np->autoneg) { |
3883 | int bmcr; | |
3884 | ||
f9430a01 AA |
3885 | netif_carrier_off(dev); |
3886 | if (netif_running(dev)) { | |
3887 | nv_disable_irq(dev); | |
58dfd9c1 | 3888 | netif_tx_lock_bh(dev); |
f9430a01 AA |
3889 | spin_lock(&np->lock); |
3890 | /* stop engines */ | |
3891 | nv_stop_rx(dev); | |
3892 | nv_stop_tx(dev); | |
3893 | spin_unlock(&np->lock); | |
58dfd9c1 | 3894 | netif_tx_unlock_bh(dev); |
f9430a01 AA |
3895 | printk(KERN_INFO "%s: link down.\n", dev->name); |
3896 | } | |
3897 | ||
dc8216c1 | 3898 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
edf7e5ec AA |
3899 | if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
3900 | bmcr |= BMCR_ANENABLE; | |
3901 | /* reset the phy in order for settings to stick*/ | |
3902 | if (phy_reset(dev, bmcr)) { | |
3903 | printk(KERN_INFO "%s: phy reset failed\n", dev->name); | |
3904 | return -EINVAL; | |
3905 | } | |
3906 | } else { | |
3907 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
3908 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
3909 | } | |
dc8216c1 | 3910 | |
f9430a01 AA |
3911 | if (netif_running(dev)) { |
3912 | nv_start_rx(dev); | |
3913 | nv_start_tx(dev); | |
3914 | nv_enable_irq(dev); | |
3915 | } | |
dc8216c1 MS |
3916 | ret = 0; |
3917 | } else { | |
3918 | ret = -EINVAL; | |
3919 | } | |
dc8216c1 MS |
3920 | |
3921 | return ret; | |
3922 | } | |
3923 | ||
0674d594 ZA |
3924 | static int nv_set_tso(struct net_device *dev, u32 value) |
3925 | { | |
3926 | struct fe_priv *np = netdev_priv(dev); | |
3927 | ||
3928 | if ((np->driver_data & DEV_HAS_CHECKSUM)) | |
3929 | return ethtool_op_set_tso(dev, value); | |
3930 | else | |
6a78814f | 3931 | return -EOPNOTSUPP; |
0674d594 | 3932 | } |
0674d594 | 3933 | |
eafa59f6 AA |
3934 | static void nv_get_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) |
3935 | { | |
3936 | struct fe_priv *np = netdev_priv(dev); | |
3937 | ||
3938 | ring->rx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; | |
3939 | ring->rx_mini_max_pending = 0; | |
3940 | ring->rx_jumbo_max_pending = 0; | |
3941 | ring->tx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; | |
3942 | ||
3943 | ring->rx_pending = np->rx_ring_size; | |
3944 | ring->rx_mini_pending = 0; | |
3945 | ring->rx_jumbo_pending = 0; | |
3946 | ring->tx_pending = np->tx_ring_size; | |
3947 | } | |
3948 | ||
3949 | static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) | |
3950 | { | |
3951 | struct fe_priv *np = netdev_priv(dev); | |
3952 | u8 __iomem *base = get_hwbase(dev); | |
761fcd9e | 3953 | u8 *rxtx_ring, *rx_skbuff, *tx_skbuff; |
eafa59f6 AA |
3954 | dma_addr_t ring_addr; |
3955 | ||
3956 | if (ring->rx_pending < RX_RING_MIN || | |
3957 | ring->tx_pending < TX_RING_MIN || | |
3958 | ring->rx_mini_pending != 0 || | |
3959 | ring->rx_jumbo_pending != 0 || | |
3960 | (np->desc_ver == DESC_VER_1 && | |
3961 | (ring->rx_pending > RING_MAX_DESC_VER_1 || | |
3962 | ring->tx_pending > RING_MAX_DESC_VER_1)) || | |
3963 | (np->desc_ver != DESC_VER_1 && | |
3964 | (ring->rx_pending > RING_MAX_DESC_VER_2_3 || | |
3965 | ring->tx_pending > RING_MAX_DESC_VER_2_3))) { | |
3966 | return -EINVAL; | |
3967 | } | |
3968 | ||
3969 | /* allocate new rings */ | |
3970 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
3971 | rxtx_ring = pci_alloc_consistent(np->pci_dev, | |
3972 | sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), | |
3973 | &ring_addr); | |
3974 | } else { | |
3975 | rxtx_ring = pci_alloc_consistent(np->pci_dev, | |
3976 | sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), | |
3977 | &ring_addr); | |
3978 | } | |
761fcd9e AA |
3979 | rx_skbuff = kmalloc(sizeof(struct nv_skb_map) * ring->rx_pending, GFP_KERNEL); |
3980 | tx_skbuff = kmalloc(sizeof(struct nv_skb_map) * ring->tx_pending, GFP_KERNEL); | |
3981 | if (!rxtx_ring || !rx_skbuff || !tx_skbuff) { | |
eafa59f6 AA |
3982 | /* fall back to old rings */ |
3983 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 3984 | if (rxtx_ring) |
eafa59f6 AA |
3985 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), |
3986 | rxtx_ring, ring_addr); | |
3987 | } else { | |
3988 | if (rxtx_ring) | |
3989 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), | |
3990 | rxtx_ring, ring_addr); | |
3991 | } | |
3992 | if (rx_skbuff) | |
3993 | kfree(rx_skbuff); | |
eafa59f6 AA |
3994 | if (tx_skbuff) |
3995 | kfree(tx_skbuff); | |
eafa59f6 AA |
3996 | goto exit; |
3997 | } | |
3998 | ||
3999 | if (netif_running(dev)) { | |
4000 | nv_disable_irq(dev); | |
58dfd9c1 | 4001 | netif_tx_lock_bh(dev); |
eafa59f6 AA |
4002 | spin_lock(&np->lock); |
4003 | /* stop engines */ | |
4004 | nv_stop_rx(dev); | |
4005 | nv_stop_tx(dev); | |
4006 | nv_txrx_reset(dev); | |
4007 | /* drain queues */ | |
4008 | nv_drain_rx(dev); | |
4009 | nv_drain_tx(dev); | |
4010 | /* delete queues */ | |
4011 | free_rings(dev); | |
4012 | } | |
4013 | ||
4014 | /* set new values */ | |
4015 | np->rx_ring_size = ring->rx_pending; | |
4016 | np->tx_ring_size = ring->tx_pending; | |
eafa59f6 AA |
4017 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
4018 | np->rx_ring.orig = (struct ring_desc*)rxtx_ring; | |
4019 | np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; | |
4020 | } else { | |
4021 | np->rx_ring.ex = (struct ring_desc_ex*)rxtx_ring; | |
4022 | np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; | |
4023 | } | |
761fcd9e AA |
4024 | np->rx_skb = (struct nv_skb_map*)rx_skbuff; |
4025 | np->tx_skb = (struct nv_skb_map*)tx_skbuff; | |
eafa59f6 AA |
4026 | np->ring_addr = ring_addr; |
4027 | ||
761fcd9e AA |
4028 | memset(np->rx_skb, 0, sizeof(struct nv_skb_map) * np->rx_ring_size); |
4029 | memset(np->tx_skb, 0, sizeof(struct nv_skb_map) * np->tx_ring_size); | |
eafa59f6 AA |
4030 | |
4031 | if (netif_running(dev)) { | |
4032 | /* reinit driver view of the queues */ | |
4033 | set_bufsize(dev); | |
4034 | if (nv_init_ring(dev)) { | |
4035 | if (!np->in_shutdown) | |
4036 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
4037 | } | |
4038 | ||
4039 | /* reinit nic view of the queues */ | |
4040 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
4041 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
4042 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
4043 | base + NvRegRingSizes); | |
4044 | pci_push(base); | |
4045 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4046 | pci_push(base); | |
4047 | ||
4048 | /* restart engines */ | |
4049 | nv_start_rx(dev); | |
4050 | nv_start_tx(dev); | |
4051 | spin_unlock(&np->lock); | |
58dfd9c1 | 4052 | netif_tx_unlock_bh(dev); |
eafa59f6 AA |
4053 | nv_enable_irq(dev); |
4054 | } | |
4055 | return 0; | |
4056 | exit: | |
4057 | return -ENOMEM; | |
4058 | } | |
4059 | ||
b6d0773f AA |
4060 | static void nv_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) |
4061 | { | |
4062 | struct fe_priv *np = netdev_priv(dev); | |
4063 | ||
4064 | pause->autoneg = (np->pause_flags & NV_PAUSEFRAME_AUTONEG) != 0; | |
4065 | pause->rx_pause = (np->pause_flags & NV_PAUSEFRAME_RX_ENABLE) != 0; | |
4066 | pause->tx_pause = (np->pause_flags & NV_PAUSEFRAME_TX_ENABLE) != 0; | |
4067 | } | |
4068 | ||
4069 | static int nv_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) | |
4070 | { | |
4071 | struct fe_priv *np = netdev_priv(dev); | |
4072 | int adv, bmcr; | |
4073 | ||
4074 | if ((!np->autoneg && np->duplex == 0) || | |
4075 | (np->autoneg && !pause->autoneg && np->duplex == 0)) { | |
4076 | printk(KERN_INFO "%s: can not set pause settings when forced link is in half duplex.\n", | |
4077 | dev->name); | |
4078 | return -EINVAL; | |
4079 | } | |
4080 | if (pause->tx_pause && !(np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE)) { | |
4081 | printk(KERN_INFO "%s: hardware does not support tx pause frames.\n", dev->name); | |
4082 | return -EINVAL; | |
4083 | } | |
4084 | ||
4085 | netif_carrier_off(dev); | |
4086 | if (netif_running(dev)) { | |
4087 | nv_disable_irq(dev); | |
58dfd9c1 | 4088 | netif_tx_lock_bh(dev); |
b6d0773f AA |
4089 | spin_lock(&np->lock); |
4090 | /* stop engines */ | |
4091 | nv_stop_rx(dev); | |
4092 | nv_stop_tx(dev); | |
4093 | spin_unlock(&np->lock); | |
58dfd9c1 | 4094 | netif_tx_unlock_bh(dev); |
b6d0773f AA |
4095 | } |
4096 | ||
4097 | np->pause_flags &= ~(NV_PAUSEFRAME_RX_REQ|NV_PAUSEFRAME_TX_REQ); | |
4098 | if (pause->rx_pause) | |
4099 | np->pause_flags |= NV_PAUSEFRAME_RX_REQ; | |
4100 | if (pause->tx_pause) | |
4101 | np->pause_flags |= NV_PAUSEFRAME_TX_REQ; | |
4102 | ||
4103 | if (np->autoneg && pause->autoneg) { | |
4104 | np->pause_flags |= NV_PAUSEFRAME_AUTONEG; | |
4105 | ||
4106 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
4107 | adv &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
4108 | if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ | |
4109 | adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
4110 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
4111 | adv |= ADVERTISE_PAUSE_ASYM; | |
4112 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); | |
4113 | ||
4114 | if (netif_running(dev)) | |
4115 | printk(KERN_INFO "%s: link down.\n", dev->name); | |
4116 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
4117 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
4118 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
4119 | } else { | |
4120 | np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); | |
4121 | if (pause->rx_pause) | |
4122 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
4123 | if (pause->tx_pause) | |
4124 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
4125 | ||
4126 | if (!netif_running(dev)) | |
4127 | nv_update_linkspeed(dev); | |
4128 | else | |
4129 | nv_update_pause(dev, np->pause_flags); | |
4130 | } | |
4131 | ||
4132 | if (netif_running(dev)) { | |
4133 | nv_start_rx(dev); | |
4134 | nv_start_tx(dev); | |
4135 | nv_enable_irq(dev); | |
4136 | } | |
4137 | return 0; | |
4138 | } | |
4139 | ||
5ed2616f AA |
4140 | static u32 nv_get_rx_csum(struct net_device *dev) |
4141 | { | |
4142 | struct fe_priv *np = netdev_priv(dev); | |
f2ad2d9b | 4143 | return (np->rx_csum) != 0; |
5ed2616f AA |
4144 | } |
4145 | ||
4146 | static int nv_set_rx_csum(struct net_device *dev, u32 data) | |
4147 | { | |
4148 | struct fe_priv *np = netdev_priv(dev); | |
4149 | u8 __iomem *base = get_hwbase(dev); | |
4150 | int retcode = 0; | |
4151 | ||
4152 | if (np->driver_data & DEV_HAS_CHECKSUM) { | |
5ed2616f | 4153 | if (data) { |
f2ad2d9b | 4154 | np->rx_csum = 1; |
5ed2616f | 4155 | np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
5ed2616f | 4156 | } else { |
f2ad2d9b AA |
4157 | np->rx_csum = 0; |
4158 | /* vlan is dependent on rx checksum offload */ | |
4159 | if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE)) | |
4160 | np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK; | |
5ed2616f | 4161 | } |
5ed2616f AA |
4162 | if (netif_running(dev)) { |
4163 | spin_lock_irq(&np->lock); | |
4164 | writel(np->txrxctl_bits, base + NvRegTxRxControl); | |
4165 | spin_unlock_irq(&np->lock); | |
4166 | } | |
4167 | } else { | |
4168 | return -EINVAL; | |
4169 | } | |
4170 | ||
4171 | return retcode; | |
4172 | } | |
4173 | ||
4174 | static int nv_set_tx_csum(struct net_device *dev, u32 data) | |
4175 | { | |
4176 | struct fe_priv *np = netdev_priv(dev); | |
4177 | ||
4178 | if (np->driver_data & DEV_HAS_CHECKSUM) | |
4179 | return ethtool_op_set_tx_hw_csum(dev, data); | |
4180 | else | |
4181 | return -EOPNOTSUPP; | |
4182 | } | |
4183 | ||
4184 | static int nv_set_sg(struct net_device *dev, u32 data) | |
4185 | { | |
4186 | struct fe_priv *np = netdev_priv(dev); | |
4187 | ||
4188 | if (np->driver_data & DEV_HAS_CHECKSUM) | |
4189 | return ethtool_op_set_sg(dev, data); | |
4190 | else | |
4191 | return -EOPNOTSUPP; | |
4192 | } | |
4193 | ||
52da3578 AA |
4194 | static int nv_get_stats_count(struct net_device *dev) |
4195 | { | |
4196 | struct fe_priv *np = netdev_priv(dev); | |
4197 | ||
57fff698 AA |
4198 | if (np->driver_data & DEV_HAS_STATISTICS_V1) |
4199 | return NV_DEV_STATISTICS_V1_COUNT; | |
4200 | else if (np->driver_data & DEV_HAS_STATISTICS_V2) | |
4201 | return NV_DEV_STATISTICS_V2_COUNT; | |
52da3578 AA |
4202 | else |
4203 | return 0; | |
4204 | } | |
4205 | ||
4206 | static void nv_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *estats, u64 *buffer) | |
4207 | { | |
4208 | struct fe_priv *np = netdev_priv(dev); | |
4209 | ||
4210 | /* update stats */ | |
4211 | nv_do_stats_poll((unsigned long)dev); | |
4212 | ||
4213 | memcpy(buffer, &np->estats, nv_get_stats_count(dev)*sizeof(u64)); | |
4214 | } | |
4215 | ||
9589c77a AA |
4216 | static int nv_self_test_count(struct net_device *dev) |
4217 | { | |
4218 | struct fe_priv *np = netdev_priv(dev); | |
4219 | ||
4220 | if (np->driver_data & DEV_HAS_TEST_EXTENDED) | |
4221 | return NV_TEST_COUNT_EXTENDED; | |
4222 | else | |
4223 | return NV_TEST_COUNT_BASE; | |
4224 | } | |
4225 | ||
4226 | static int nv_link_test(struct net_device *dev) | |
4227 | { | |
4228 | struct fe_priv *np = netdev_priv(dev); | |
4229 | int mii_status; | |
4230 | ||
4231 | mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
4232 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
4233 | ||
4234 | /* check phy link status */ | |
4235 | if (!(mii_status & BMSR_LSTATUS)) | |
4236 | return 0; | |
4237 | else | |
4238 | return 1; | |
4239 | } | |
4240 | ||
4241 | static int nv_register_test(struct net_device *dev) | |
4242 | { | |
4243 | u8 __iomem *base = get_hwbase(dev); | |
4244 | int i = 0; | |
4245 | u32 orig_read, new_read; | |
4246 | ||
4247 | do { | |
4248 | orig_read = readl(base + nv_registers_test[i].reg); | |
4249 | ||
4250 | /* xor with mask to toggle bits */ | |
4251 | orig_read ^= nv_registers_test[i].mask; | |
4252 | ||
4253 | writel(orig_read, base + nv_registers_test[i].reg); | |
4254 | ||
4255 | new_read = readl(base + nv_registers_test[i].reg); | |
4256 | ||
4257 | if ((new_read & nv_registers_test[i].mask) != (orig_read & nv_registers_test[i].mask)) | |
4258 | return 0; | |
4259 | ||
4260 | /* restore original value */ | |
4261 | orig_read ^= nv_registers_test[i].mask; | |
4262 | writel(orig_read, base + nv_registers_test[i].reg); | |
4263 | ||
4264 | } while (nv_registers_test[++i].reg != 0); | |
4265 | ||
4266 | return 1; | |
4267 | } | |
4268 | ||
4269 | static int nv_interrupt_test(struct net_device *dev) | |
4270 | { | |
4271 | struct fe_priv *np = netdev_priv(dev); | |
4272 | u8 __iomem *base = get_hwbase(dev); | |
4273 | int ret = 1; | |
4274 | int testcnt; | |
4275 | u32 save_msi_flags, save_poll_interval = 0; | |
4276 | ||
4277 | if (netif_running(dev)) { | |
4278 | /* free current irq */ | |
4279 | nv_free_irq(dev); | |
4280 | save_poll_interval = readl(base+NvRegPollingInterval); | |
4281 | } | |
4282 | ||
4283 | /* flag to test interrupt handler */ | |
4284 | np->intr_test = 0; | |
4285 | ||
4286 | /* setup test irq */ | |
4287 | save_msi_flags = np->msi_flags; | |
4288 | np->msi_flags &= ~NV_MSI_X_VECTORS_MASK; | |
4289 | np->msi_flags |= 0x001; /* setup 1 vector */ | |
4290 | if (nv_request_irq(dev, 1)) | |
4291 | return 0; | |
4292 | ||
4293 | /* setup timer interrupt */ | |
4294 | writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); | |
4295 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); | |
4296 | ||
4297 | nv_enable_hw_interrupts(dev, NVREG_IRQ_TIMER); | |
4298 | ||
4299 | /* wait for at least one interrupt */ | |
4300 | msleep(100); | |
4301 | ||
4302 | spin_lock_irq(&np->lock); | |
4303 | ||
4304 | /* flag should be set within ISR */ | |
4305 | testcnt = np->intr_test; | |
4306 | if (!testcnt) | |
4307 | ret = 2; | |
4308 | ||
4309 | nv_disable_hw_interrupts(dev, NVREG_IRQ_TIMER); | |
4310 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
4311 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
4312 | else | |
4313 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
4314 | ||
4315 | spin_unlock_irq(&np->lock); | |
4316 | ||
4317 | nv_free_irq(dev); | |
4318 | ||
4319 | np->msi_flags = save_msi_flags; | |
4320 | ||
4321 | if (netif_running(dev)) { | |
4322 | writel(save_poll_interval, base + NvRegPollingInterval); | |
4323 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); | |
4324 | /* restore original irq */ | |
4325 | if (nv_request_irq(dev, 0)) | |
4326 | return 0; | |
4327 | } | |
4328 | ||
4329 | return ret; | |
4330 | } | |
4331 | ||
4332 | static int nv_loopback_test(struct net_device *dev) | |
4333 | { | |
4334 | struct fe_priv *np = netdev_priv(dev); | |
4335 | u8 __iomem *base = get_hwbase(dev); | |
4336 | struct sk_buff *tx_skb, *rx_skb; | |
4337 | dma_addr_t test_dma_addr; | |
4338 | u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); | |
f82a9352 | 4339 | u32 flags; |
9589c77a AA |
4340 | int len, i, pkt_len; |
4341 | u8 *pkt_data; | |
4342 | u32 filter_flags = 0; | |
4343 | u32 misc1_flags = 0; | |
4344 | int ret = 1; | |
4345 | ||
4346 | if (netif_running(dev)) { | |
4347 | nv_disable_irq(dev); | |
4348 | filter_flags = readl(base + NvRegPacketFilterFlags); | |
4349 | misc1_flags = readl(base + NvRegMisc1); | |
4350 | } else { | |
4351 | nv_txrx_reset(dev); | |
4352 | } | |
4353 | ||
4354 | /* reinit driver view of the rx queue */ | |
4355 | set_bufsize(dev); | |
4356 | nv_init_ring(dev); | |
4357 | ||
4358 | /* setup hardware for loopback */ | |
4359 | writel(NVREG_MISC1_FORCE, base + NvRegMisc1); | |
4360 | writel(NVREG_PFF_ALWAYS | NVREG_PFF_LOOPBACK, base + NvRegPacketFilterFlags); | |
4361 | ||
4362 | /* reinit nic view of the rx queue */ | |
4363 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
4364 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
4365 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
4366 | base + NvRegRingSizes); | |
4367 | pci_push(base); | |
4368 | ||
4369 | /* restart rx engine */ | |
4370 | nv_start_rx(dev); | |
4371 | nv_start_tx(dev); | |
4372 | ||
4373 | /* setup packet for tx */ | |
4374 | pkt_len = ETH_DATA_LEN; | |
4375 | tx_skb = dev_alloc_skb(pkt_len); | |
46798c89 JJ |
4376 | if (!tx_skb) { |
4377 | printk(KERN_ERR "dev_alloc_skb() failed during loopback test" | |
4378 | " of %s\n", dev->name); | |
4379 | ret = 0; | |
4380 | goto out; | |
4381 | } | |
8b5be268 ACM |
4382 | test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data, |
4383 | skb_tailroom(tx_skb), | |
4384 | PCI_DMA_FROMDEVICE); | |
9589c77a AA |
4385 | pkt_data = skb_put(tx_skb, pkt_len); |
4386 | for (i = 0; i < pkt_len; i++) | |
4387 | pkt_data[i] = (u8)(i & 0xff); | |
9589c77a AA |
4388 | |
4389 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 SH |
4390 | np->tx_ring.orig[0].buf = cpu_to_le32(test_dma_addr); |
4391 | np->tx_ring.orig[0].flaglen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); | |
9589c77a | 4392 | } else { |
f82a9352 SH |
4393 | np->tx_ring.ex[0].bufhigh = cpu_to_le64(test_dma_addr) >> 32; |
4394 | np->tx_ring.ex[0].buflow = cpu_to_le64(test_dma_addr) & 0x0FFFFFFFF; | |
4395 | np->tx_ring.ex[0].flaglen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); | |
9589c77a AA |
4396 | } |
4397 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4398 | pci_push(get_hwbase(dev)); | |
4399 | ||
4400 | msleep(500); | |
4401 | ||
4402 | /* check for rx of the packet */ | |
4403 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 4404 | flags = le32_to_cpu(np->rx_ring.orig[0].flaglen); |
9589c77a AA |
4405 | len = nv_descr_getlength(&np->rx_ring.orig[0], np->desc_ver); |
4406 | ||
4407 | } else { | |
f82a9352 | 4408 | flags = le32_to_cpu(np->rx_ring.ex[0].flaglen); |
9589c77a AA |
4409 | len = nv_descr_getlength_ex(&np->rx_ring.ex[0], np->desc_ver); |
4410 | } | |
4411 | ||
f82a9352 | 4412 | if (flags & NV_RX_AVAIL) { |
9589c77a AA |
4413 | ret = 0; |
4414 | } else if (np->desc_ver == DESC_VER_1) { | |
f82a9352 | 4415 | if (flags & NV_RX_ERROR) |
9589c77a AA |
4416 | ret = 0; |
4417 | } else { | |
f82a9352 | 4418 | if (flags & NV_RX2_ERROR) { |
9589c77a AA |
4419 | ret = 0; |
4420 | } | |
4421 | } | |
4422 | ||
4423 | if (ret) { | |
4424 | if (len != pkt_len) { | |
4425 | ret = 0; | |
4426 | dprintk(KERN_DEBUG "%s: loopback len mismatch %d vs %d\n", | |
4427 | dev->name, len, pkt_len); | |
4428 | } else { | |
761fcd9e | 4429 | rx_skb = np->rx_skb[0].skb; |
9589c77a AA |
4430 | for (i = 0; i < pkt_len; i++) { |
4431 | if (rx_skb->data[i] != (u8)(i & 0xff)) { | |
4432 | ret = 0; | |
4433 | dprintk(KERN_DEBUG "%s: loopback pattern check failed on byte %d\n", | |
4434 | dev->name, i); | |
4435 | break; | |
4436 | } | |
4437 | } | |
4438 | } | |
4439 | } else { | |
4440 | dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); | |
4441 | } | |
4442 | ||
4443 | pci_unmap_page(np->pci_dev, test_dma_addr, | |
4305b541 | 4444 | (skb_end_pointer(tx_skb) - tx_skb->data), |
9589c77a AA |
4445 | PCI_DMA_TODEVICE); |
4446 | dev_kfree_skb_any(tx_skb); | |
46798c89 | 4447 | out: |
9589c77a AA |
4448 | /* stop engines */ |
4449 | nv_stop_rx(dev); | |
4450 | nv_stop_tx(dev); | |
4451 | nv_txrx_reset(dev); | |
4452 | /* drain rx queue */ | |
4453 | nv_drain_rx(dev); | |
4454 | nv_drain_tx(dev); | |
4455 | ||
4456 | if (netif_running(dev)) { | |
4457 | writel(misc1_flags, base + NvRegMisc1); | |
4458 | writel(filter_flags, base + NvRegPacketFilterFlags); | |
4459 | nv_enable_irq(dev); | |
4460 | } | |
4461 | ||
4462 | return ret; | |
4463 | } | |
4464 | ||
4465 | static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64 *buffer) | |
4466 | { | |
4467 | struct fe_priv *np = netdev_priv(dev); | |
4468 | u8 __iomem *base = get_hwbase(dev); | |
4469 | int result; | |
4470 | memset(buffer, 0, nv_self_test_count(dev)*sizeof(u64)); | |
4471 | ||
4472 | if (!nv_link_test(dev)) { | |
4473 | test->flags |= ETH_TEST_FL_FAILED; | |
4474 | buffer[0] = 1; | |
4475 | } | |
4476 | ||
4477 | if (test->flags & ETH_TEST_FL_OFFLINE) { | |
4478 | if (netif_running(dev)) { | |
4479 | netif_stop_queue(dev); | |
e27cdba5 | 4480 | netif_poll_disable(dev); |
58dfd9c1 | 4481 | netif_tx_lock_bh(dev); |
9589c77a AA |
4482 | spin_lock_irq(&np->lock); |
4483 | nv_disable_hw_interrupts(dev, np->irqmask); | |
4484 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { | |
4485 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
4486 | } else { | |
4487 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
4488 | } | |
4489 | /* stop engines */ | |
4490 | nv_stop_rx(dev); | |
4491 | nv_stop_tx(dev); | |
4492 | nv_txrx_reset(dev); | |
4493 | /* drain rx queue */ | |
4494 | nv_drain_rx(dev); | |
4495 | nv_drain_tx(dev); | |
4496 | spin_unlock_irq(&np->lock); | |
58dfd9c1 | 4497 | netif_tx_unlock_bh(dev); |
9589c77a AA |
4498 | } |
4499 | ||
4500 | if (!nv_register_test(dev)) { | |
4501 | test->flags |= ETH_TEST_FL_FAILED; | |
4502 | buffer[1] = 1; | |
4503 | } | |
4504 | ||
4505 | result = nv_interrupt_test(dev); | |
4506 | if (result != 1) { | |
4507 | test->flags |= ETH_TEST_FL_FAILED; | |
4508 | buffer[2] = 1; | |
4509 | } | |
4510 | if (result == 0) { | |
4511 | /* bail out */ | |
4512 | return; | |
4513 | } | |
4514 | ||
4515 | if (!nv_loopback_test(dev)) { | |
4516 | test->flags |= ETH_TEST_FL_FAILED; | |
4517 | buffer[3] = 1; | |
4518 | } | |
4519 | ||
4520 | if (netif_running(dev)) { | |
4521 | /* reinit driver view of the rx queue */ | |
4522 | set_bufsize(dev); | |
4523 | if (nv_init_ring(dev)) { | |
4524 | if (!np->in_shutdown) | |
4525 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
4526 | } | |
4527 | /* reinit nic view of the rx queue */ | |
4528 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
4529 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
4530 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
4531 | base + NvRegRingSizes); | |
4532 | pci_push(base); | |
4533 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4534 | pci_push(base); | |
4535 | /* restart rx engine */ | |
4536 | nv_start_rx(dev); | |
4537 | nv_start_tx(dev); | |
4538 | netif_start_queue(dev); | |
e27cdba5 | 4539 | netif_poll_enable(dev); |
9589c77a AA |
4540 | nv_enable_hw_interrupts(dev, np->irqmask); |
4541 | } | |
4542 | } | |
4543 | } | |
4544 | ||
52da3578 AA |
4545 | static void nv_get_strings(struct net_device *dev, u32 stringset, u8 *buffer) |
4546 | { | |
4547 | switch (stringset) { | |
4548 | case ETH_SS_STATS: | |
4549 | memcpy(buffer, &nv_estats_str, nv_get_stats_count(dev)*sizeof(struct nv_ethtool_str)); | |
4550 | break; | |
9589c77a AA |
4551 | case ETH_SS_TEST: |
4552 | memcpy(buffer, &nv_etests_str, nv_self_test_count(dev)*sizeof(struct nv_ethtool_str)); | |
4553 | break; | |
52da3578 AA |
4554 | } |
4555 | } | |
4556 | ||
7282d491 | 4557 | static const struct ethtool_ops ops = { |
1da177e4 LT |
4558 | .get_drvinfo = nv_get_drvinfo, |
4559 | .get_link = ethtool_op_get_link, | |
4560 | .get_wol = nv_get_wol, | |
4561 | .set_wol = nv_set_wol, | |
4562 | .get_settings = nv_get_settings, | |
4563 | .set_settings = nv_set_settings, | |
dc8216c1 MS |
4564 | .get_regs_len = nv_get_regs_len, |
4565 | .get_regs = nv_get_regs, | |
4566 | .nway_reset = nv_nway_reset, | |
c704b856 | 4567 | .get_perm_addr = ethtool_op_get_perm_addr, |
0674d594 | 4568 | .get_tso = ethtool_op_get_tso, |
6a78814f | 4569 | .set_tso = nv_set_tso, |
eafa59f6 AA |
4570 | .get_ringparam = nv_get_ringparam, |
4571 | .set_ringparam = nv_set_ringparam, | |
b6d0773f AA |
4572 | .get_pauseparam = nv_get_pauseparam, |
4573 | .set_pauseparam = nv_set_pauseparam, | |
5ed2616f AA |
4574 | .get_rx_csum = nv_get_rx_csum, |
4575 | .set_rx_csum = nv_set_rx_csum, | |
4576 | .get_tx_csum = ethtool_op_get_tx_csum, | |
4577 | .set_tx_csum = nv_set_tx_csum, | |
4578 | .get_sg = ethtool_op_get_sg, | |
4579 | .set_sg = nv_set_sg, | |
52da3578 AA |
4580 | .get_strings = nv_get_strings, |
4581 | .get_stats_count = nv_get_stats_count, | |
4582 | .get_ethtool_stats = nv_get_ethtool_stats, | |
9589c77a AA |
4583 | .self_test_count = nv_self_test_count, |
4584 | .self_test = nv_self_test, | |
1da177e4 LT |
4585 | }; |
4586 | ||
ee407b02 AA |
4587 | static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
4588 | { | |
4589 | struct fe_priv *np = get_nvpriv(dev); | |
4590 | ||
4591 | spin_lock_irq(&np->lock); | |
4592 | ||
4593 | /* save vlan group */ | |
4594 | np->vlangrp = grp; | |
4595 | ||
4596 | if (grp) { | |
4597 | /* enable vlan on MAC */ | |
4598 | np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS; | |
4599 | } else { | |
4600 | /* disable vlan on MAC */ | |
4601 | np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; | |
4602 | np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; | |
4603 | } | |
4604 | ||
4605 | writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4606 | ||
4607 | spin_unlock_irq(&np->lock); | |
25805dcf | 4608 | } |
ee407b02 | 4609 | |
7e680c22 AA |
4610 | /* The mgmt unit and driver use a semaphore to access the phy during init */ |
4611 | static int nv_mgmt_acquire_sema(struct net_device *dev) | |
4612 | { | |
4613 | u8 __iomem *base = get_hwbase(dev); | |
4614 | int i; | |
4615 | u32 tx_ctrl, mgmt_sema; | |
4616 | ||
4617 | for (i = 0; i < 10; i++) { | |
4618 | mgmt_sema = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_SEMA_MASK; | |
4619 | if (mgmt_sema == NVREG_XMITCTL_MGMT_SEMA_FREE) | |
4620 | break; | |
4621 | msleep(500); | |
4622 | } | |
4623 | ||
4624 | if (mgmt_sema != NVREG_XMITCTL_MGMT_SEMA_FREE) | |
4625 | return 0; | |
4626 | ||
4627 | for (i = 0; i < 2; i++) { | |
4628 | tx_ctrl = readl(base + NvRegTransmitterControl); | |
4629 | tx_ctrl |= NVREG_XMITCTL_HOST_SEMA_ACQ; | |
4630 | writel(tx_ctrl, base + NvRegTransmitterControl); | |
4631 | ||
4632 | /* verify that semaphore was acquired */ | |
4633 | tx_ctrl = readl(base + NvRegTransmitterControl); | |
4634 | if (((tx_ctrl & NVREG_XMITCTL_HOST_SEMA_MASK) == NVREG_XMITCTL_HOST_SEMA_ACQ) && | |
4635 | ((tx_ctrl & NVREG_XMITCTL_MGMT_SEMA_MASK) == NVREG_XMITCTL_MGMT_SEMA_FREE)) | |
4636 | return 1; | |
4637 | else | |
4638 | udelay(50); | |
4639 | } | |
4640 | ||
4641 | return 0; | |
4642 | } | |
4643 | ||
1da177e4 LT |
4644 | static int nv_open(struct net_device *dev) |
4645 | { | |
ac9c1897 | 4646 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 4647 | u8 __iomem *base = get_hwbase(dev); |
d33a73c8 AA |
4648 | int ret = 1; |
4649 | int oom, i; | |
1da177e4 LT |
4650 | |
4651 | dprintk(KERN_DEBUG "nv_open: begin\n"); | |
4652 | ||
f1489653 | 4653 | /* erase previous misconfiguration */ |
86a0f043 AA |
4654 | if (np->driver_data & DEV_HAS_POWER_CNTRL) |
4655 | nv_mac_reset(dev); | |
1da177e4 LT |
4656 | writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); |
4657 | writel(0, base + NvRegMulticastAddrB); | |
4658 | writel(0, base + NvRegMulticastMaskA); | |
4659 | writel(0, base + NvRegMulticastMaskB); | |
4660 | writel(0, base + NvRegPacketFilterFlags); | |
4661 | ||
4662 | writel(0, base + NvRegTransmitterControl); | |
4663 | writel(0, base + NvRegReceiverControl); | |
4664 | ||
4665 | writel(0, base + NvRegAdapterControl); | |
4666 | ||
eb91f61b AA |
4667 | if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) |
4668 | writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); | |
4669 | ||
f1489653 | 4670 | /* initialize descriptor rings */ |
d81c0983 | 4671 | set_bufsize(dev); |
1da177e4 LT |
4672 | oom = nv_init_ring(dev); |
4673 | ||
4674 | writel(0, base + NvRegLinkSpeed); | |
5070d340 | 4675 | writel(readl(base + NvRegTransmitPoll) & NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); |
1da177e4 LT |
4676 | nv_txrx_reset(dev); |
4677 | writel(0, base + NvRegUnknownSetupReg6); | |
4678 | ||
4679 | np->in_shutdown = 0; | |
4680 | ||
f1489653 | 4681 | /* give hw rings */ |
0832b25a | 4682 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
eafa59f6 | 4683 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
1da177e4 LT |
4684 | base + NvRegRingSizes); |
4685 | ||
1da177e4 | 4686 | writel(np->linkspeed, base + NvRegLinkSpeed); |
95d161cb AA |
4687 | if (np->desc_ver == DESC_VER_1) |
4688 | writel(NVREG_TX_WM_DESC1_DEFAULT, base + NvRegTxWatermark); | |
4689 | else | |
4690 | writel(NVREG_TX_WM_DESC2_3_DEFAULT, base + NvRegTxWatermark); | |
8a4ae7f2 | 4691 | writel(np->txrxctl_bits, base + NvRegTxRxControl); |
ee407b02 | 4692 | writel(np->vlanctl_bits, base + NvRegVlanControl); |
1da177e4 | 4693 | pci_push(base); |
8a4ae7f2 | 4694 | writel(NVREG_TXRXCTL_BIT1|np->txrxctl_bits, base + NvRegTxRxControl); |
1da177e4 LT |
4695 | reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31, |
4696 | NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, | |
4697 | KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); | |
4698 | ||
7e680c22 | 4699 | writel(0, base + NvRegMIIMask); |
1da177e4 LT |
4700 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
4701 | writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); | |
4702 | ||
1da177e4 LT |
4703 | writel(NVREG_MISC1_FORCE | NVREG_MISC1_HD, base + NvRegMisc1); |
4704 | writel(readl(base + NvRegTransmitterStatus), base + NvRegTransmitterStatus); | |
4705 | writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags); | |
d81c0983 | 4706 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
1da177e4 LT |
4707 | |
4708 | writel(readl(base + NvRegReceiverStatus), base + NvRegReceiverStatus); | |
4709 | get_random_bytes(&i, sizeof(i)); | |
4710 | writel(NVREG_RNDSEED_FORCE | (i&NVREG_RNDSEED_MASK), base + NvRegRandomSeed); | |
9744e218 AA |
4711 | writel(NVREG_TX_DEFERRAL_DEFAULT, base + NvRegTxDeferral); |
4712 | writel(NVREG_RX_DEFERRAL_DEFAULT, base + NvRegRxDeferral); | |
a971c324 AA |
4713 | if (poll_interval == -1) { |
4714 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) | |
4715 | writel(NVREG_POLL_DEFAULT_THROUGHPUT, base + NvRegPollingInterval); | |
4716 | else | |
4717 | writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); | |
4718 | } | |
4719 | else | |
4720 | writel(poll_interval & 0xFFFF, base + NvRegPollingInterval); | |
1da177e4 LT |
4721 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); |
4722 | writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING, | |
4723 | base + NvRegAdapterControl); | |
4724 | writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); | |
7e680c22 | 4725 | writel(NVREG_MII_LINKCHANGE, base + NvRegMIIMask); |
c42d9df9 AA |
4726 | if (np->wolenabled) |
4727 | writel(NVREG_WAKEUPFLAGS_ENABLE , base + NvRegWakeUpFlags); | |
1da177e4 LT |
4728 | |
4729 | i = readl(base + NvRegPowerState); | |
4730 | if ( (i & NVREG_POWERSTATE_POWEREDUP) == 0) | |
4731 | writel(NVREG_POWERSTATE_POWEREDUP|i, base + NvRegPowerState); | |
4732 | ||
4733 | pci_push(base); | |
4734 | udelay(10); | |
4735 | writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState); | |
4736 | ||
84b3932b | 4737 | nv_disable_hw_interrupts(dev, np->irqmask); |
1da177e4 LT |
4738 | pci_push(base); |
4739 | writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); | |
4740 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
4741 | pci_push(base); | |
4742 | ||
9589c77a | 4743 | if (nv_request_irq(dev, 0)) { |
84b3932b | 4744 | goto out_drain; |
d33a73c8 | 4745 | } |
1da177e4 LT |
4746 | |
4747 | /* ask for interrupts */ | |
84b3932b | 4748 | nv_enable_hw_interrupts(dev, np->irqmask); |
1da177e4 LT |
4749 | |
4750 | spin_lock_irq(&np->lock); | |
4751 | writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); | |
4752 | writel(0, base + NvRegMulticastAddrB); | |
4753 | writel(0, base + NvRegMulticastMaskA); | |
4754 | writel(0, base + NvRegMulticastMaskB); | |
4755 | writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); | |
4756 | /* One manual link speed update: Interrupts are enabled, future link | |
4757 | * speed changes cause interrupts and are handled by nv_link_irq(). | |
4758 | */ | |
4759 | { | |
4760 | u32 miistat; | |
4761 | miistat = readl(base + NvRegMIIStatus); | |
4762 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); | |
4763 | dprintk(KERN_INFO "startup: got 0x%08x.\n", miistat); | |
4764 | } | |
1b1b3c9b MS |
4765 | /* set linkspeed to invalid value, thus force nv_update_linkspeed |
4766 | * to init hw */ | |
4767 | np->linkspeed = 0; | |
1da177e4 LT |
4768 | ret = nv_update_linkspeed(dev); |
4769 | nv_start_rx(dev); | |
4770 | nv_start_tx(dev); | |
4771 | netif_start_queue(dev); | |
e27cdba5 SH |
4772 | netif_poll_enable(dev); |
4773 | ||
1da177e4 LT |
4774 | if (ret) { |
4775 | netif_carrier_on(dev); | |
4776 | } else { | |
4777 | printk("%s: no link during initialization.\n", dev->name); | |
4778 | netif_carrier_off(dev); | |
4779 | } | |
4780 | if (oom) | |
4781 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
52da3578 AA |
4782 | |
4783 | /* start statistics timer */ | |
57fff698 | 4784 | if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2)) |
52da3578 AA |
4785 | mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); |
4786 | ||
1da177e4 LT |
4787 | spin_unlock_irq(&np->lock); |
4788 | ||
4789 | return 0; | |
4790 | out_drain: | |
4791 | drain_ring(dev); | |
4792 | return ret; | |
4793 | } | |
4794 | ||
4795 | static int nv_close(struct net_device *dev) | |
4796 | { | |
ac9c1897 | 4797 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
4798 | u8 __iomem *base; |
4799 | ||
4800 | spin_lock_irq(&np->lock); | |
4801 | np->in_shutdown = 1; | |
4802 | spin_unlock_irq(&np->lock); | |
e27cdba5 | 4803 | netif_poll_disable(dev); |
1da177e4 LT |
4804 | synchronize_irq(dev->irq); |
4805 | ||
4806 | del_timer_sync(&np->oom_kick); | |
4807 | del_timer_sync(&np->nic_poll); | |
52da3578 | 4808 | del_timer_sync(&np->stats_poll); |
1da177e4 LT |
4809 | |
4810 | netif_stop_queue(dev); | |
4811 | spin_lock_irq(&np->lock); | |
4812 | nv_stop_tx(dev); | |
4813 | nv_stop_rx(dev); | |
4814 | nv_txrx_reset(dev); | |
4815 | ||
4816 | /* disable interrupts on the nic or we will lock up */ | |
4817 | base = get_hwbase(dev); | |
84b3932b | 4818 | nv_disable_hw_interrupts(dev, np->irqmask); |
1da177e4 LT |
4819 | pci_push(base); |
4820 | dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name); | |
4821 | ||
4822 | spin_unlock_irq(&np->lock); | |
4823 | ||
84b3932b | 4824 | nv_free_irq(dev); |
1da177e4 LT |
4825 | |
4826 | drain_ring(dev); | |
4827 | ||
4828 | if (np->wolenabled) | |
4829 | nv_start_rx(dev); | |
4830 | ||
4831 | /* FIXME: power down nic */ | |
4832 | ||
4833 | return 0; | |
4834 | } | |
4835 | ||
4836 | static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) | |
4837 | { | |
4838 | struct net_device *dev; | |
4839 | struct fe_priv *np; | |
4840 | unsigned long addr; | |
4841 | u8 __iomem *base; | |
4842 | int err, i; | |
5070d340 | 4843 | u32 powerstate, txreg; |
7e680c22 AA |
4844 | u32 phystate_orig = 0, phystate; |
4845 | int phyinitialized = 0; | |
1da177e4 LT |
4846 | |
4847 | dev = alloc_etherdev(sizeof(struct fe_priv)); | |
4848 | err = -ENOMEM; | |
4849 | if (!dev) | |
4850 | goto out; | |
4851 | ||
ac9c1897 | 4852 | np = netdev_priv(dev); |
1da177e4 LT |
4853 | np->pci_dev = pci_dev; |
4854 | spin_lock_init(&np->lock); | |
4855 | SET_MODULE_OWNER(dev); | |
4856 | SET_NETDEV_DEV(dev, &pci_dev->dev); | |
4857 | ||
4858 | init_timer(&np->oom_kick); | |
4859 | np->oom_kick.data = (unsigned long) dev; | |
4860 | np->oom_kick.function = &nv_do_rx_refill; /* timer handler */ | |
4861 | init_timer(&np->nic_poll); | |
4862 | np->nic_poll.data = (unsigned long) dev; | |
4863 | np->nic_poll.function = &nv_do_nic_poll; /* timer handler */ | |
52da3578 AA |
4864 | init_timer(&np->stats_poll); |
4865 | np->stats_poll.data = (unsigned long) dev; | |
4866 | np->stats_poll.function = &nv_do_stats_poll; /* timer handler */ | |
1da177e4 LT |
4867 | |
4868 | err = pci_enable_device(pci_dev); | |
4869 | if (err) { | |
4870 | printk(KERN_INFO "forcedeth: pci_enable_dev failed (%d) for device %s\n", | |
4871 | err, pci_name(pci_dev)); | |
4872 | goto out_free; | |
4873 | } | |
4874 | ||
4875 | pci_set_master(pci_dev); | |
4876 | ||
4877 | err = pci_request_regions(pci_dev, DRV_NAME); | |
4878 | if (err < 0) | |
4879 | goto out_disable; | |
4880 | ||
57fff698 AA |
4881 | if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_STATISTICS_V2)) |
4882 | np->register_size = NV_PCI_REGSZ_VER3; | |
4883 | else if (id->driver_data & DEV_HAS_STATISTICS_V1) | |
86a0f043 AA |
4884 | np->register_size = NV_PCI_REGSZ_VER2; |
4885 | else | |
4886 | np->register_size = NV_PCI_REGSZ_VER1; | |
4887 | ||
1da177e4 LT |
4888 | err = -EINVAL; |
4889 | addr = 0; | |
4890 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
4891 | dprintk(KERN_DEBUG "%s: resource %d start %p len %ld flags 0x%08lx.\n", | |
4892 | pci_name(pci_dev), i, (void*)pci_resource_start(pci_dev, i), | |
4893 | pci_resource_len(pci_dev, i), | |
4894 | pci_resource_flags(pci_dev, i)); | |
4895 | if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM && | |
86a0f043 | 4896 | pci_resource_len(pci_dev, i) >= np->register_size) { |
1da177e4 LT |
4897 | addr = pci_resource_start(pci_dev, i); |
4898 | break; | |
4899 | } | |
4900 | } | |
4901 | if (i == DEVICE_COUNT_RESOURCE) { | |
4902 | printk(KERN_INFO "forcedeth: Couldn't find register window for device %s.\n", | |
4903 | pci_name(pci_dev)); | |
4904 | goto out_relreg; | |
4905 | } | |
4906 | ||
86a0f043 AA |
4907 | /* copy of driver data */ |
4908 | np->driver_data = id->driver_data; | |
4909 | ||
1da177e4 | 4910 | /* handle different descriptor versions */ |
ee73362c MS |
4911 | if (id->driver_data & DEV_HAS_HIGH_DMA) { |
4912 | /* packet format 3: supports 40-bit addressing */ | |
4913 | np->desc_ver = DESC_VER_3; | |
84b3932b | 4914 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; |
69fe3fd7 AA |
4915 | if (dma_64bit) { |
4916 | if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { | |
4917 | printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", | |
4918 | pci_name(pci_dev)); | |
4919 | } else { | |
4920 | dev->features |= NETIF_F_HIGHDMA; | |
4921 | printk(KERN_INFO "forcedeth: using HIGHDMA\n"); | |
4922 | } | |
4923 | if (pci_set_consistent_dma_mask(pci_dev, DMA_39BIT_MASK)) { | |
4924 | printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed, using 32-bit ring buffers for device %s.\n", | |
4925 | pci_name(pci_dev)); | |
4926 | } | |
ee73362c MS |
4927 | } |
4928 | } else if (id->driver_data & DEV_HAS_LARGEDESC) { | |
4929 | /* packet format 2: supports jumbo frames */ | |
1da177e4 | 4930 | np->desc_ver = DESC_VER_2; |
8a4ae7f2 | 4931 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_2; |
ee73362c MS |
4932 | } else { |
4933 | /* original packet format */ | |
4934 | np->desc_ver = DESC_VER_1; | |
8a4ae7f2 | 4935 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_1; |
d81c0983 | 4936 | } |
ee73362c MS |
4937 | |
4938 | np->pkt_limit = NV_PKTLIMIT_1; | |
4939 | if (id->driver_data & DEV_HAS_LARGEDESC) | |
4940 | np->pkt_limit = NV_PKTLIMIT_2; | |
4941 | ||
8a4ae7f2 | 4942 | if (id->driver_data & DEV_HAS_CHECKSUM) { |
f2ad2d9b | 4943 | np->rx_csum = 1; |
8a4ae7f2 | 4944 | np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
ac9c1897 | 4945 | dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; |
fa45459e | 4946 | dev->features |= NETIF_F_TSO; |
21828163 | 4947 | } |
8a4ae7f2 | 4948 | |
ee407b02 AA |
4949 | np->vlanctl_bits = 0; |
4950 | if (id->driver_data & DEV_HAS_VLAN) { | |
4951 | np->vlanctl_bits = NVREG_VLANCONTROL_ENABLE; | |
4952 | dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX; | |
4953 | dev->vlan_rx_register = nv_vlan_rx_register; | |
ee407b02 AA |
4954 | } |
4955 | ||
d33a73c8 | 4956 | np->msi_flags = 0; |
69fe3fd7 | 4957 | if ((id->driver_data & DEV_HAS_MSI) && msi) { |
d33a73c8 AA |
4958 | np->msi_flags |= NV_MSI_CAPABLE; |
4959 | } | |
69fe3fd7 | 4960 | if ((id->driver_data & DEV_HAS_MSI_X) && msix) { |
d33a73c8 AA |
4961 | np->msi_flags |= NV_MSI_X_CAPABLE; |
4962 | } | |
4963 | ||
b6d0773f | 4964 | np->pause_flags = NV_PAUSEFRAME_RX_CAPABLE | NV_PAUSEFRAME_RX_REQ | NV_PAUSEFRAME_AUTONEG; |
eb91f61b | 4965 | if (id->driver_data & DEV_HAS_PAUSEFRAME_TX) { |
b6d0773f | 4966 | np->pause_flags |= NV_PAUSEFRAME_TX_CAPABLE | NV_PAUSEFRAME_TX_REQ; |
eb91f61b | 4967 | } |
f3b197ac | 4968 | |
eb91f61b | 4969 | |
1da177e4 | 4970 | err = -ENOMEM; |
86a0f043 | 4971 | np->base = ioremap(addr, np->register_size); |
1da177e4 LT |
4972 | if (!np->base) |
4973 | goto out_relreg; | |
4974 | dev->base_addr = (unsigned long)np->base; | |
ee73362c | 4975 | |
1da177e4 | 4976 | dev->irq = pci_dev->irq; |
ee73362c | 4977 | |
eafa59f6 AA |
4978 | np->rx_ring_size = RX_RING_DEFAULT; |
4979 | np->tx_ring_size = TX_RING_DEFAULT; | |
eafa59f6 | 4980 | |
ee73362c MS |
4981 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
4982 | np->rx_ring.orig = pci_alloc_consistent(pci_dev, | |
eafa59f6 | 4983 | sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
ee73362c MS |
4984 | &np->ring_addr); |
4985 | if (!np->rx_ring.orig) | |
4986 | goto out_unmap; | |
eafa59f6 | 4987 | np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; |
ee73362c MS |
4988 | } else { |
4989 | np->rx_ring.ex = pci_alloc_consistent(pci_dev, | |
eafa59f6 | 4990 | sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), |
ee73362c MS |
4991 | &np->ring_addr); |
4992 | if (!np->rx_ring.ex) | |
4993 | goto out_unmap; | |
eafa59f6 AA |
4994 | np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; |
4995 | } | |
761fcd9e AA |
4996 | np->rx_skb = kmalloc(sizeof(struct nv_skb_map) * np->rx_ring_size, GFP_KERNEL); |
4997 | np->tx_skb = kmalloc(sizeof(struct nv_skb_map) * np->tx_ring_size, GFP_KERNEL); | |
4998 | if (!np->rx_skb || !np->tx_skb) | |
eafa59f6 | 4999 | goto out_freering; |
761fcd9e AA |
5000 | memset(np->rx_skb, 0, sizeof(struct nv_skb_map) * np->rx_ring_size); |
5001 | memset(np->tx_skb, 0, sizeof(struct nv_skb_map) * np->tx_ring_size); | |
1da177e4 LT |
5002 | |
5003 | dev->open = nv_open; | |
5004 | dev->stop = nv_close; | |
86b22b0d AA |
5005 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
5006 | dev->hard_start_xmit = nv_start_xmit; | |
5007 | else | |
5008 | dev->hard_start_xmit = nv_start_xmit_optimized; | |
1da177e4 LT |
5009 | dev->get_stats = nv_get_stats; |
5010 | dev->change_mtu = nv_change_mtu; | |
72b31782 | 5011 | dev->set_mac_address = nv_set_mac_address; |
1da177e4 | 5012 | dev->set_multicast_list = nv_set_multicast; |
2918c35d MS |
5013 | #ifdef CONFIG_NET_POLL_CONTROLLER |
5014 | dev->poll_controller = nv_poll_controller; | |
e27cdba5 | 5015 | #endif |
f0734ab6 | 5016 | dev->weight = RX_WORK_PER_LOOP; |
e27cdba5 SH |
5017 | #ifdef CONFIG_FORCEDETH_NAPI |
5018 | dev->poll = nv_napi_poll; | |
2918c35d | 5019 | #endif |
1da177e4 LT |
5020 | SET_ETHTOOL_OPS(dev, &ops); |
5021 | dev->tx_timeout = nv_tx_timeout; | |
5022 | dev->watchdog_timeo = NV_WATCHDOG_TIMEO; | |
5023 | ||
5024 | pci_set_drvdata(pci_dev, dev); | |
5025 | ||
5026 | /* read the mac address */ | |
5027 | base = get_hwbase(dev); | |
5028 | np->orig_mac[0] = readl(base + NvRegMacAddrA); | |
5029 | np->orig_mac[1] = readl(base + NvRegMacAddrB); | |
5030 | ||
5070d340 AA |
5031 | /* check the workaround bit for correct mac address order */ |
5032 | txreg = readl(base + NvRegTransmitPoll); | |
5033 | if (txreg & NVREG_TRANSMITPOLL_MAC_ADDR_REV) { | |
5034 | /* mac address is already in correct order */ | |
5035 | dev->dev_addr[0] = (np->orig_mac[0] >> 0) & 0xff; | |
5036 | dev->dev_addr[1] = (np->orig_mac[0] >> 8) & 0xff; | |
5037 | dev->dev_addr[2] = (np->orig_mac[0] >> 16) & 0xff; | |
5038 | dev->dev_addr[3] = (np->orig_mac[0] >> 24) & 0xff; | |
5039 | dev->dev_addr[4] = (np->orig_mac[1] >> 0) & 0xff; | |
5040 | dev->dev_addr[5] = (np->orig_mac[1] >> 8) & 0xff; | |
5041 | } else { | |
5042 | /* need to reverse mac address to correct order */ | |
5043 | dev->dev_addr[0] = (np->orig_mac[1] >> 8) & 0xff; | |
5044 | dev->dev_addr[1] = (np->orig_mac[1] >> 0) & 0xff; | |
5045 | dev->dev_addr[2] = (np->orig_mac[0] >> 24) & 0xff; | |
5046 | dev->dev_addr[3] = (np->orig_mac[0] >> 16) & 0xff; | |
5047 | dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff; | |
5048 | dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff; | |
5049 | /* set permanent address to be correct aswell */ | |
5050 | np->orig_mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) + | |
5051 | (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); | |
5052 | np->orig_mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8); | |
5053 | writel(txreg|NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); | |
5054 | } | |
c704b856 | 5055 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
1da177e4 | 5056 | |
c704b856 | 5057 | if (!is_valid_ether_addr(dev->perm_addr)) { |
1da177e4 LT |
5058 | /* |
5059 | * Bad mac address. At least one bios sets the mac address | |
5060 | * to 01:23:45:67:89:ab | |
5061 | */ | |
5062 | printk(KERN_ERR "%s: Invalid Mac address detected: %02x:%02x:%02x:%02x:%02x:%02x\n", | |
5063 | pci_name(pci_dev), | |
5064 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], | |
5065 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); | |
5066 | printk(KERN_ERR "Please complain to your hardware vendor. Switching to a random MAC.\n"); | |
5067 | dev->dev_addr[0] = 0x00; | |
5068 | dev->dev_addr[1] = 0x00; | |
5069 | dev->dev_addr[2] = 0x6c; | |
5070 | get_random_bytes(&dev->dev_addr[3], 3); | |
5071 | } | |
5072 | ||
5073 | dprintk(KERN_DEBUG "%s: MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", pci_name(pci_dev), | |
5074 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], | |
5075 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); | |
5076 | ||
f1489653 AA |
5077 | /* set mac address */ |
5078 | nv_copy_mac_to_hw(dev); | |
5079 | ||
1da177e4 LT |
5080 | /* disable WOL */ |
5081 | writel(0, base + NvRegWakeUpFlags); | |
5082 | np->wolenabled = 0; | |
5083 | ||
86a0f043 AA |
5084 | if (id->driver_data & DEV_HAS_POWER_CNTRL) { |
5085 | u8 revision_id; | |
5086 | pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id); | |
5087 | ||
5088 | /* take phy and nic out of low power mode */ | |
5089 | powerstate = readl(base + NvRegPowerState2); | |
5090 | powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK; | |
5091 | if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 || | |
5092 | id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) && | |
5093 | revision_id >= 0xA3) | |
5094 | powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3; | |
5095 | writel(powerstate, base + NvRegPowerState2); | |
5096 | } | |
5097 | ||
1da177e4 | 5098 | if (np->desc_ver == DESC_VER_1) { |
ac9c1897 | 5099 | np->tx_flags = NV_TX_VALID; |
1da177e4 | 5100 | } else { |
ac9c1897 | 5101 | np->tx_flags = NV_TX2_VALID; |
1da177e4 | 5102 | } |
d33a73c8 | 5103 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { |
a971c324 | 5104 | np->irqmask = NVREG_IRQMASK_THROUGHPUT; |
d33a73c8 AA |
5105 | if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
5106 | np->msi_flags |= 0x0003; | |
5107 | } else { | |
a971c324 | 5108 | np->irqmask = NVREG_IRQMASK_CPU; |
d33a73c8 AA |
5109 | if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
5110 | np->msi_flags |= 0x0001; | |
5111 | } | |
a971c324 | 5112 | |
1da177e4 LT |
5113 | if (id->driver_data & DEV_NEED_TIMERIRQ) |
5114 | np->irqmask |= NVREG_IRQ_TIMER; | |
5115 | if (id->driver_data & DEV_NEED_LINKTIMER) { | |
5116 | dprintk(KERN_INFO "%s: link timer on.\n", pci_name(pci_dev)); | |
5117 | np->need_linktimer = 1; | |
5118 | np->link_timeout = jiffies + LINK_TIMEOUT; | |
5119 | } else { | |
5120 | dprintk(KERN_INFO "%s: link timer off.\n", pci_name(pci_dev)); | |
5121 | np->need_linktimer = 0; | |
5122 | } | |
5123 | ||
7e680c22 AA |
5124 | /* clear phy state and temporarily halt phy interrupts */ |
5125 | writel(0, base + NvRegMIIMask); | |
5126 | phystate = readl(base + NvRegAdapterControl); | |
5127 | if (phystate & NVREG_ADAPTCTL_RUNNING) { | |
5128 | phystate_orig = 1; | |
5129 | phystate &= ~NVREG_ADAPTCTL_RUNNING; | |
5130 | writel(phystate, base + NvRegAdapterControl); | |
5131 | } | |
5132 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); | |
5133 | ||
5134 | if (id->driver_data & DEV_HAS_MGMT_UNIT) { | |
7e680c22 | 5135 | /* management unit running on the mac? */ |
f35723ec AA |
5136 | if (readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_PHY_INIT) { |
5137 | np->mac_in_use = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST; | |
5138 | dprintk(KERN_INFO "%s: mgmt unit is running. mac in use %x.\n", pci_name(pci_dev), np->mac_in_use); | |
5139 | for (i = 0; i < 5000; i++) { | |
5140 | msleep(1); | |
5141 | if (nv_mgmt_acquire_sema(dev)) { | |
5142 | /* management unit setup the phy already? */ | |
5143 | if ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK) == | |
5144 | NVREG_XMITCTL_SYNC_PHY_INIT) { | |
5145 | /* phy is inited by mgmt unit */ | |
5146 | phyinitialized = 1; | |
5147 | dprintk(KERN_INFO "%s: Phy already initialized by mgmt unit.\n", pci_name(pci_dev)); | |
5148 | } else { | |
5149 | /* we need to init the phy */ | |
7e680c22 | 5150 | } |
f35723ec | 5151 | break; |
7e680c22 | 5152 | } |
7e680c22 AA |
5153 | } |
5154 | } | |
5155 | } | |
5156 | ||
1da177e4 | 5157 | /* find a suitable phy */ |
7a33e45a | 5158 | for (i = 1; i <= 32; i++) { |
1da177e4 | 5159 | int id1, id2; |
7a33e45a | 5160 | int phyaddr = i & 0x1F; |
1da177e4 LT |
5161 | |
5162 | spin_lock_irq(&np->lock); | |
7a33e45a | 5163 | id1 = mii_rw(dev, phyaddr, MII_PHYSID1, MII_READ); |
1da177e4 LT |
5164 | spin_unlock_irq(&np->lock); |
5165 | if (id1 < 0 || id1 == 0xffff) | |
5166 | continue; | |
5167 | spin_lock_irq(&np->lock); | |
7a33e45a | 5168 | id2 = mii_rw(dev, phyaddr, MII_PHYSID2, MII_READ); |
1da177e4 LT |
5169 | spin_unlock_irq(&np->lock); |
5170 | if (id2 < 0 || id2 == 0xffff) | |
5171 | continue; | |
5172 | ||
edf7e5ec | 5173 | np->phy_model = id2 & PHYID2_MODEL_MASK; |
1da177e4 LT |
5174 | id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT; |
5175 | id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT; | |
5176 | dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n", | |
7a33e45a AA |
5177 | pci_name(pci_dev), id1, id2, phyaddr); |
5178 | np->phyaddr = phyaddr; | |
1da177e4 LT |
5179 | np->phy_oui = id1 | id2; |
5180 | break; | |
5181 | } | |
7a33e45a | 5182 | if (i == 33) { |
1da177e4 | 5183 | printk(KERN_INFO "%s: open: Could not find a valid PHY.\n", |
7a33e45a | 5184 | pci_name(pci_dev)); |
eafa59f6 | 5185 | goto out_error; |
1da177e4 | 5186 | } |
f3b197ac | 5187 | |
7e680c22 AA |
5188 | if (!phyinitialized) { |
5189 | /* reset it */ | |
5190 | phy_init(dev); | |
f35723ec AA |
5191 | } else { |
5192 | /* see if it is a gigabit phy */ | |
5193 | u32 mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
5194 | if (mii_status & PHY_GIGABIT) { | |
5195 | np->gigabit = PHY_GIGABIT; | |
5196 | } | |
7e680c22 | 5197 | } |
1da177e4 LT |
5198 | |
5199 | /* set default link speed settings */ | |
5200 | np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
5201 | np->duplex = 0; | |
5202 | np->autoneg = 1; | |
5203 | ||
5204 | err = register_netdev(dev); | |
5205 | if (err) { | |
5206 | printk(KERN_INFO "forcedeth: unable to register netdev: %d\n", err); | |
eafa59f6 | 5207 | goto out_error; |
1da177e4 LT |
5208 | } |
5209 | printk(KERN_INFO "%s: forcedeth.c: subsystem: %05x:%04x bound to %s\n", | |
5210 | dev->name, pci_dev->subsystem_vendor, pci_dev->subsystem_device, | |
5211 | pci_name(pci_dev)); | |
5212 | ||
5213 | return 0; | |
5214 | ||
eafa59f6 | 5215 | out_error: |
7e680c22 AA |
5216 | if (phystate_orig) |
5217 | writel(phystate|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); | |
1da177e4 | 5218 | pci_set_drvdata(pci_dev, NULL); |
eafa59f6 AA |
5219 | out_freering: |
5220 | free_rings(dev); | |
1da177e4 LT |
5221 | out_unmap: |
5222 | iounmap(get_hwbase(dev)); | |
5223 | out_relreg: | |
5224 | pci_release_regions(pci_dev); | |
5225 | out_disable: | |
5226 | pci_disable_device(pci_dev); | |
5227 | out_free: | |
5228 | free_netdev(dev); | |
5229 | out: | |
5230 | return err; | |
5231 | } | |
5232 | ||
5233 | static void __devexit nv_remove(struct pci_dev *pci_dev) | |
5234 | { | |
5235 | struct net_device *dev = pci_get_drvdata(pci_dev); | |
f1489653 AA |
5236 | struct fe_priv *np = netdev_priv(dev); |
5237 | u8 __iomem *base = get_hwbase(dev); | |
1da177e4 LT |
5238 | |
5239 | unregister_netdev(dev); | |
5240 | ||
f1489653 AA |
5241 | /* special op: write back the misordered MAC address - otherwise |
5242 | * the next nv_probe would see a wrong address. | |
5243 | */ | |
5244 | writel(np->orig_mac[0], base + NvRegMacAddrA); | |
5245 | writel(np->orig_mac[1], base + NvRegMacAddrB); | |
5246 | ||
1da177e4 | 5247 | /* free all structures */ |
eafa59f6 | 5248 | free_rings(dev); |
1da177e4 LT |
5249 | iounmap(get_hwbase(dev)); |
5250 | pci_release_regions(pci_dev); | |
5251 | pci_disable_device(pci_dev); | |
5252 | free_netdev(dev); | |
5253 | pci_set_drvdata(pci_dev, NULL); | |
5254 | } | |
5255 | ||
a189317f FR |
5256 | #ifdef CONFIG_PM |
5257 | static int nv_suspend(struct pci_dev *pdev, pm_message_t state) | |
5258 | { | |
5259 | struct net_device *dev = pci_get_drvdata(pdev); | |
5260 | struct fe_priv *np = netdev_priv(dev); | |
5261 | ||
5262 | if (!netif_running(dev)) | |
5263 | goto out; | |
5264 | ||
5265 | netif_device_detach(dev); | |
5266 | ||
5267 | // Gross. | |
5268 | nv_close(dev); | |
5269 | ||
5270 | pci_save_state(pdev); | |
5271 | pci_enable_wake(pdev, pci_choose_state(pdev, state), np->wolenabled); | |
5272 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
5273 | out: | |
5274 | return 0; | |
5275 | } | |
5276 | ||
5277 | static int nv_resume(struct pci_dev *pdev) | |
5278 | { | |
5279 | struct net_device *dev = pci_get_drvdata(pdev); | |
5280 | int rc = 0; | |
5281 | ||
5282 | if (!netif_running(dev)) | |
5283 | goto out; | |
5284 | ||
5285 | netif_device_attach(dev); | |
5286 | ||
5287 | pci_set_power_state(pdev, PCI_D0); | |
5288 | pci_restore_state(pdev); | |
5289 | pci_enable_wake(pdev, PCI_D0, 0); | |
5290 | ||
5291 | rc = nv_open(dev); | |
5292 | out: | |
5293 | return rc; | |
5294 | } | |
5295 | #else | |
5296 | #define nv_suspend NULL | |
5297 | #define nv_resume NULL | |
5298 | #endif /* CONFIG_PM */ | |
5299 | ||
1da177e4 LT |
5300 | static struct pci_device_id pci_tbl[] = { |
5301 | { /* nForce Ethernet Controller */ | |
dc8216c1 | 5302 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_1), |
c2dba06d | 5303 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
1da177e4 LT |
5304 | }, |
5305 | { /* nForce2 Ethernet Controller */ | |
dc8216c1 | 5306 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_2), |
c2dba06d | 5307 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
1da177e4 LT |
5308 | }, |
5309 | { /* nForce3 Ethernet Controller */ | |
dc8216c1 | 5310 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_3), |
c2dba06d | 5311 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
1da177e4 LT |
5312 | }, |
5313 | { /* nForce3 Ethernet Controller */ | |
dc8216c1 | 5314 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_4), |
8a4ae7f2 | 5315 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
1da177e4 LT |
5316 | }, |
5317 | { /* nForce3 Ethernet Controller */ | |
dc8216c1 | 5318 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_5), |
8a4ae7f2 | 5319 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
1da177e4 LT |
5320 | }, |
5321 | { /* nForce3 Ethernet Controller */ | |
dc8216c1 | 5322 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_6), |
8a4ae7f2 | 5323 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
1da177e4 LT |
5324 | }, |
5325 | { /* nForce3 Ethernet Controller */ | |
dc8216c1 | 5326 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_7), |
8a4ae7f2 | 5327 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
1da177e4 LT |
5328 | }, |
5329 | { /* CK804 Ethernet Controller */ | |
dc8216c1 | 5330 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8), |
57fff698 | 5331 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, |
1da177e4 LT |
5332 | }, |
5333 | { /* CK804 Ethernet Controller */ | |
dc8216c1 | 5334 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9), |
57fff698 | 5335 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, |
1da177e4 LT |
5336 | }, |
5337 | { /* MCP04 Ethernet Controller */ | |
dc8216c1 | 5338 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10), |
57fff698 | 5339 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, |
1da177e4 LT |
5340 | }, |
5341 | { /* MCP04 Ethernet Controller */ | |
dc8216c1 | 5342 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_11), |
57fff698 | 5343 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1, |
1da177e4 | 5344 | }, |
9992d4aa | 5345 | { /* MCP51 Ethernet Controller */ |
dc8216c1 | 5346 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12), |
57fff698 | 5347 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_STATISTICS_V1, |
9992d4aa MS |
5348 | }, |
5349 | { /* MCP51 Ethernet Controller */ | |
dc8216c1 | 5350 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13), |
57fff698 | 5351 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_STATISTICS_V1, |
9992d4aa | 5352 | }, |
f49d16ef | 5353 | { /* MCP55 Ethernet Controller */ |
dc8216c1 | 5354 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), |
57fff698 | 5355 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
f49d16ef MS |
5356 | }, |
5357 | { /* MCP55 Ethernet Controller */ | |
dc8216c1 | 5358 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), |
57fff698 | 5359 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
f49d16ef | 5360 | }, |
c99ce7ee AA |
5361 | { /* MCP61 Ethernet Controller */ |
5362 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16), | |
57fff698 | 5363 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5364 | }, |
5365 | { /* MCP61 Ethernet Controller */ | |
5366 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_17), | |
57fff698 | 5367 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5368 | }, |
5369 | { /* MCP61 Ethernet Controller */ | |
5370 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_18), | |
57fff698 | 5371 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5372 | }, |
5373 | { /* MCP61 Ethernet Controller */ | |
5374 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_19), | |
57fff698 | 5375 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5376 | }, |
5377 | { /* MCP65 Ethernet Controller */ | |
5378 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20), | |
6fedae1f | 5379 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5380 | }, |
5381 | { /* MCP65 Ethernet Controller */ | |
5382 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21), | |
6fedae1f | 5383 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5384 | }, |
5385 | { /* MCP65 Ethernet Controller */ | |
5386 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22), | |
6fedae1f | 5387 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee AA |
5388 | }, |
5389 | { /* MCP65 Ethernet Controller */ | |
5390 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), | |
6fedae1f | 5391 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
c99ce7ee | 5392 | }, |
f4344848 AA |
5393 | { /* MCP67 Ethernet Controller */ |
5394 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_24), | |
57fff698 | 5395 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
f4344848 AA |
5396 | }, |
5397 | { /* MCP67 Ethernet Controller */ | |
5398 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_25), | |
57fff698 | 5399 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
f4344848 AA |
5400 | }, |
5401 | { /* MCP67 Ethernet Controller */ | |
5402 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_26), | |
57fff698 | 5403 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
f4344848 AA |
5404 | }, |
5405 | { /* MCP67 Ethernet Controller */ | |
5406 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_27), | |
57fff698 | 5407 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, |
f4344848 | 5408 | }, |
1da177e4 LT |
5409 | {0,}, |
5410 | }; | |
5411 | ||
5412 | static struct pci_driver driver = { | |
5413 | .name = "forcedeth", | |
5414 | .id_table = pci_tbl, | |
5415 | .probe = nv_probe, | |
5416 | .remove = __devexit_p(nv_remove), | |
a189317f FR |
5417 | .suspend = nv_suspend, |
5418 | .resume = nv_resume, | |
1da177e4 LT |
5419 | }; |
5420 | ||
1da177e4 LT |
5421 | static int __init init_nic(void) |
5422 | { | |
5423 | printk(KERN_INFO "forcedeth.c: Reverse Engineered nForce ethernet driver. Version %s.\n", FORCEDETH_VERSION); | |
29917620 | 5424 | return pci_register_driver(&driver); |
1da177e4 LT |
5425 | } |
5426 | ||
5427 | static void __exit exit_nic(void) | |
5428 | { | |
5429 | pci_unregister_driver(&driver); | |
5430 | } | |
5431 | ||
5432 | module_param(max_interrupt_work, int, 0); | |
5433 | MODULE_PARM_DESC(max_interrupt_work, "forcedeth maximum events handled per interrupt"); | |
a971c324 AA |
5434 | module_param(optimization_mode, int, 0); |
5435 | MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer."); | |
5436 | module_param(poll_interval, int, 0); | |
5437 | MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535."); | |
69fe3fd7 AA |
5438 | module_param(msi, int, 0); |
5439 | MODULE_PARM_DESC(msi, "MSI interrupts are enabled by setting to 1 and disabled by setting to 0."); | |
5440 | module_param(msix, int, 0); | |
5441 | MODULE_PARM_DESC(msix, "MSIX interrupts are enabled by setting to 1 and disabled by setting to 0."); | |
5442 | module_param(dma_64bit, int, 0); | |
5443 | MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0."); | |
1da177e4 LT |
5444 | |
5445 | MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>"); | |
5446 | MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver"); | |
5447 | MODULE_LICENSE("GPL"); | |
5448 | ||
5449 | MODULE_DEVICE_TABLE(pci, pci_tbl); | |
5450 | ||
5451 | module_init(init_nic); | |
5452 | module_exit(exit_nic); |