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1da177e4 | 1 | /************************************************************************ |
776bd20f | 2 | * s2io.h: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC |
0c61ed5f | 3 | * Copyright(c) 2002-2007 Neterion Inc. |
1da177e4 LT |
4 | |
5 | * This software may be used and distributed according to the terms of | |
6 | * the GNU General Public License (GPL), incorporated herein by reference. | |
7 | * Drivers based on or derived from this code fall under the GPL and must | |
8 | * retain the authorship, copyright and license notice. This file is not | |
9 | * a complete program and may only be used when the entire operating | |
10 | * system is licensed under the GPL. | |
11 | * See the file COPYING in this distribution for more information. | |
12 | ************************************************************************/ | |
13 | #ifndef _S2IO_H | |
14 | #define _S2IO_H | |
15 | ||
16 | #define TBD 0 | |
17 | #define BIT(loc) (0x8000000000000000ULL >> (loc)) | |
18 | #define vBIT(val, loc, sz) (((u64)val) << (64-loc-sz)) | |
19 | #define INV(d) ((d&0xff)<<24) | (((d>>8)&0xff)<<16) | (((d>>16)&0xff)<<8)| ((d>>24)&0xff) | |
20 | ||
21 | #ifndef BOOL | |
22 | #define BOOL int | |
23 | #endif | |
24 | ||
25 | #ifndef TRUE | |
26 | #define TRUE 1 | |
27 | #define FALSE 0 | |
28 | #endif | |
29 | ||
30 | #undef SUCCESS | |
31 | #define SUCCESS 0 | |
32 | #define FAILURE -1 | |
19a60522 SS |
33 | #define S2IO_MINUS_ONE 0xFFFFFFFFFFFFFFFFULL |
34 | #define S2IO_MAX_PCI_CONFIG_SPACE_REINIT 100 | |
9fc93a41 SS |
35 | #define S2IO_BIT_RESET 1 |
36 | #define S2IO_BIT_SET 2 | |
bd1034f0 AR |
37 | #define CHECKBIT(value, nbit) (value & (1 << nbit)) |
38 | ||
20346722 K |
39 | /* Maximum time to flicker LED when asked to identify NIC using ethtool */ |
40 | #define MAX_FLICKER_TIME 60000 /* 60 Secs */ | |
41 | ||
1da177e4 | 42 | /* Maximum outstanding splits to be configured into xena. */ |
1ee6dd77 | 43 | enum { |
1da177e4 LT |
44 | XENA_ONE_SPLIT_TRANSACTION = 0, |
45 | XENA_TWO_SPLIT_TRANSACTION = 1, | |
46 | XENA_THREE_SPLIT_TRANSACTION = 2, | |
47 | XENA_FOUR_SPLIT_TRANSACTION = 3, | |
48 | XENA_EIGHT_SPLIT_TRANSACTION = 4, | |
49 | XENA_TWELVE_SPLIT_TRANSACTION = 5, | |
50 | XENA_SIXTEEN_SPLIT_TRANSACTION = 6, | |
51 | XENA_THIRTYTWO_SPLIT_TRANSACTION = 7 | |
1ee6dd77 | 52 | }; |
1da177e4 LT |
53 | #define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4) |
54 | ||
55 | /* OS concerned variables and constants */ | |
20346722 K |
56 | #define WATCH_DOG_TIMEOUT 15*HZ |
57 | #define EFILL 0x1234 | |
58 | #define ALIGN_SIZE 127 | |
59 | #define PCIX_COMMAND_REGISTER 0x62 | |
1da177e4 LT |
60 | |
61 | /* | |
62 | * Debug related variables. | |
63 | */ | |
64 | /* different debug levels. */ | |
65 | #define ERR_DBG 0 | |
66 | #define INIT_DBG 1 | |
67 | #define INFO_DBG 2 | |
68 | #define TX_DBG 3 | |
69 | #define INTR_DBG 4 | |
70 | ||
71 | /* Global variable that defines the present debug level of the driver. */ | |
26df54bf | 72 | static int debug_level = ERR_DBG; |
1da177e4 LT |
73 | |
74 | /* DEBUG message print. */ | |
75 | #define DBG_PRINT(dbg_level, args...) if(!(debug_level<dbg_level)) printk(args) | |
76 | ||
77 | /* Protocol assist features of the NIC */ | |
78 | #define L3_CKSUM_OK 0xFFFF | |
79 | #define L4_CKSUM_OK 0xFFFF | |
80 | #define S2IO_JUMBO_SIZE 9600 | |
81 | ||
20346722 | 82 | /* Driver statistics maintained by driver */ |
1ee6dd77 | 83 | struct swStat { |
20346722 K |
84 | unsigned long long single_ecc_errs; |
85 | unsigned long long double_ecc_errs; | |
bd1034f0 AR |
86 | unsigned long long parity_err_cnt; |
87 | unsigned long long serious_err_cnt; | |
88 | unsigned long long soft_reset_cnt; | |
89 | unsigned long long fifo_full_cnt; | |
90 | unsigned long long ring_full_cnt; | |
7d3d0439 RA |
91 | /* LRO statistics */ |
92 | unsigned long long clubbed_frms_cnt; | |
93 | unsigned long long sending_both; | |
94 | unsigned long long outof_sequence_pkts; | |
95 | unsigned long long flush_max_pkts; | |
96 | unsigned long long sum_avg_pkts_aggregated; | |
97 | unsigned long long num_aggregations; | |
c53d4945 SH |
98 | /* Other statistics */ |
99 | unsigned long long mem_alloc_fail_cnt; | |
100 | unsigned long long watchdog_timer_cnt; | |
491976b2 SH |
101 | unsigned long long mem_allocated; |
102 | unsigned long long mem_freed; | |
103 | unsigned long long link_up_cnt; | |
104 | unsigned long long link_down_cnt; | |
105 | unsigned long long link_up_time; | |
106 | unsigned long long link_down_time; | |
107 | ||
108 | /* Transfer Code statistics */ | |
109 | unsigned long long tx_buf_abort_cnt; | |
110 | unsigned long long tx_desc_abort_cnt; | |
111 | unsigned long long tx_parity_err_cnt; | |
112 | unsigned long long tx_link_loss_cnt; | |
113 | unsigned long long tx_list_proc_err_cnt; | |
114 | ||
115 | unsigned long long rx_parity_err_cnt; | |
116 | unsigned long long rx_abort_cnt; | |
117 | unsigned long long rx_parity_abort_cnt; | |
118 | unsigned long long rx_rda_fail_cnt; | |
119 | unsigned long long rx_unkn_prot_cnt; | |
120 | unsigned long long rx_fcs_err_cnt; | |
121 | unsigned long long rx_buf_size_err_cnt; | |
122 | unsigned long long rx_rxd_corrupt_cnt; | |
123 | unsigned long long rx_unkn_err_cnt; | |
1ee6dd77 | 124 | }; |
20346722 | 125 | |
bd1034f0 | 126 | /* Xpak releated alarm and warnings */ |
1ee6dd77 | 127 | struct xpakStat { |
bd1034f0 AR |
128 | u64 alarm_transceiver_temp_high; |
129 | u64 alarm_transceiver_temp_low; | |
130 | u64 alarm_laser_bias_current_high; | |
131 | u64 alarm_laser_bias_current_low; | |
132 | u64 alarm_laser_output_power_high; | |
133 | u64 alarm_laser_output_power_low; | |
134 | u64 warn_transceiver_temp_high; | |
135 | u64 warn_transceiver_temp_low; | |
136 | u64 warn_laser_bias_current_high; | |
137 | u64 warn_laser_bias_current_low; | |
138 | u64 warn_laser_output_power_high; | |
139 | u64 warn_laser_output_power_low; | |
140 | u64 xpak_regs_stat; | |
141 | u32 xpak_timer_count; | |
1ee6dd77 | 142 | }; |
bd1034f0 AR |
143 | |
144 | ||
1da177e4 | 145 | /* The statistics block of Xena */ |
1ee6dd77 | 146 | struct stat_block { |
1da177e4 | 147 | /* Tx MAC statistics counters. */ |
107c3a73 AV |
148 | __le32 tmac_data_octets; |
149 | __le32 tmac_frms; | |
150 | __le64 tmac_drop_frms; | |
151 | __le32 tmac_bcst_frms; | |
152 | __le32 tmac_mcst_frms; | |
153 | __le64 tmac_pause_ctrl_frms; | |
154 | __le32 tmac_ucst_frms; | |
155 | __le32 tmac_ttl_octets; | |
156 | __le32 tmac_any_err_frms; | |
157 | __le32 tmac_nucst_frms; | |
158 | __le64 tmac_ttl_less_fb_octets; | |
159 | __le64 tmac_vld_ip_octets; | |
160 | __le32 tmac_drop_ip; | |
161 | __le32 tmac_vld_ip; | |
162 | __le32 tmac_rst_tcp; | |
163 | __le32 tmac_icmp; | |
164 | __le64 tmac_tcp; | |
165 | __le32 reserved_0; | |
166 | __le32 tmac_udp; | |
1da177e4 LT |
167 | |
168 | /* Rx MAC Statistics counters. */ | |
107c3a73 AV |
169 | __le32 rmac_data_octets; |
170 | __le32 rmac_vld_frms; | |
171 | __le64 rmac_fcs_err_frms; | |
172 | __le64 rmac_drop_frms; | |
173 | __le32 rmac_vld_bcst_frms; | |
174 | __le32 rmac_vld_mcst_frms; | |
175 | __le32 rmac_out_rng_len_err_frms; | |
176 | __le32 rmac_in_rng_len_err_frms; | |
177 | __le64 rmac_long_frms; | |
178 | __le64 rmac_pause_ctrl_frms; | |
179 | __le64 rmac_unsup_ctrl_frms; | |
180 | __le32 rmac_accepted_ucst_frms; | |
181 | __le32 rmac_ttl_octets; | |
182 | __le32 rmac_discarded_frms; | |
183 | __le32 rmac_accepted_nucst_frms; | |
184 | __le32 reserved_1; | |
185 | __le32 rmac_drop_events; | |
186 | __le64 rmac_ttl_less_fb_octets; | |
187 | __le64 rmac_ttl_frms; | |
188 | __le64 reserved_2; | |
189 | __le32 rmac_usized_frms; | |
190 | __le32 reserved_3; | |
191 | __le32 rmac_frag_frms; | |
192 | __le32 rmac_osized_frms; | |
193 | __le32 reserved_4; | |
194 | __le32 rmac_jabber_frms; | |
195 | __le64 rmac_ttl_64_frms; | |
196 | __le64 rmac_ttl_65_127_frms; | |
197 | __le64 reserved_5; | |
198 | __le64 rmac_ttl_128_255_frms; | |
199 | __le64 rmac_ttl_256_511_frms; | |
200 | __le64 reserved_6; | |
201 | __le64 rmac_ttl_512_1023_frms; | |
202 | __le64 rmac_ttl_1024_1518_frms; | |
203 | __le32 rmac_ip; | |
204 | __le32 reserved_7; | |
205 | __le64 rmac_ip_octets; | |
206 | __le32 rmac_drop_ip; | |
207 | __le32 rmac_hdr_err_ip; | |
208 | __le32 reserved_8; | |
209 | __le32 rmac_icmp; | |
210 | __le64 rmac_tcp; | |
211 | __le32 rmac_err_drp_udp; | |
212 | __le32 rmac_udp; | |
213 | __le64 rmac_xgmii_err_sym; | |
214 | __le64 rmac_frms_q0; | |
215 | __le64 rmac_frms_q1; | |
216 | __le64 rmac_frms_q2; | |
217 | __le64 rmac_frms_q3; | |
218 | __le64 rmac_frms_q4; | |
219 | __le64 rmac_frms_q5; | |
220 | __le64 rmac_frms_q6; | |
221 | __le64 rmac_frms_q7; | |
222 | __le16 rmac_full_q3; | |
223 | __le16 rmac_full_q2; | |
224 | __le16 rmac_full_q1; | |
225 | __le16 rmac_full_q0; | |
226 | __le16 rmac_full_q7; | |
227 | __le16 rmac_full_q6; | |
228 | __le16 rmac_full_q5; | |
229 | __le16 rmac_full_q4; | |
230 | __le32 reserved_9; | |
231 | __le32 rmac_pause_cnt; | |
232 | __le64 rmac_xgmii_data_err_cnt; | |
233 | __le64 rmac_xgmii_ctrl_err_cnt; | |
234 | __le32 rmac_err_tcp; | |
235 | __le32 rmac_accepted_ip; | |
1da177e4 LT |
236 | |
237 | /* PCI/PCI-X Read transaction statistics. */ | |
107c3a73 AV |
238 | __le32 new_rd_req_cnt; |
239 | __le32 rd_req_cnt; | |
240 | __le32 rd_rtry_cnt; | |
241 | __le32 new_rd_req_rtry_cnt; | |
1da177e4 LT |
242 | |
243 | /* PCI/PCI-X Write/Read transaction statistics. */ | |
107c3a73 AV |
244 | __le32 wr_req_cnt; |
245 | __le32 wr_rtry_rd_ack_cnt; | |
246 | __le32 new_wr_req_rtry_cnt; | |
247 | __le32 new_wr_req_cnt; | |
248 | __le32 wr_disc_cnt; | |
249 | __le32 wr_rtry_cnt; | |
1da177e4 LT |
250 | |
251 | /* PCI/PCI-X Write / DMA Transaction statistics. */ | |
107c3a73 AV |
252 | __le32 txp_wr_cnt; |
253 | __le32 rd_rtry_wr_ack_cnt; | |
254 | __le32 txd_wr_cnt; | |
255 | __le32 txd_rd_cnt; | |
256 | __le32 rxd_wr_cnt; | |
257 | __le32 rxd_rd_cnt; | |
258 | __le32 rxf_wr_cnt; | |
259 | __le32 txf_rd_cnt; | |
7ba013ac | 260 | |
541ae68f | 261 | /* Tx MAC statistics overflow counters. */ |
107c3a73 AV |
262 | __le32 tmac_data_octets_oflow; |
263 | __le32 tmac_frms_oflow; | |
264 | __le32 tmac_bcst_frms_oflow; | |
265 | __le32 tmac_mcst_frms_oflow; | |
266 | __le32 tmac_ucst_frms_oflow; | |
267 | __le32 tmac_ttl_octets_oflow; | |
268 | __le32 tmac_any_err_frms_oflow; | |
269 | __le32 tmac_nucst_frms_oflow; | |
270 | __le64 tmac_vlan_frms; | |
271 | __le32 tmac_drop_ip_oflow; | |
272 | __le32 tmac_vld_ip_oflow; | |
273 | __le32 tmac_rst_tcp_oflow; | |
274 | __le32 tmac_icmp_oflow; | |
275 | __le32 tpa_unknown_protocol; | |
276 | __le32 tmac_udp_oflow; | |
277 | __le32 reserved_10; | |
278 | __le32 tpa_parse_failure; | |
541ae68f K |
279 | |
280 | /* Rx MAC Statistics overflow counters. */ | |
107c3a73 AV |
281 | __le32 rmac_data_octets_oflow; |
282 | __le32 rmac_vld_frms_oflow; | |
283 | __le32 rmac_vld_bcst_frms_oflow; | |
284 | __le32 rmac_vld_mcst_frms_oflow; | |
285 | __le32 rmac_accepted_ucst_frms_oflow; | |
286 | __le32 rmac_ttl_octets_oflow; | |
287 | __le32 rmac_discarded_frms_oflow; | |
288 | __le32 rmac_accepted_nucst_frms_oflow; | |
289 | __le32 rmac_usized_frms_oflow; | |
290 | __le32 rmac_drop_events_oflow; | |
291 | __le32 rmac_frag_frms_oflow; | |
292 | __le32 rmac_osized_frms_oflow; | |
293 | __le32 rmac_ip_oflow; | |
294 | __le32 rmac_jabber_frms_oflow; | |
295 | __le32 rmac_icmp_oflow; | |
296 | __le32 rmac_drop_ip_oflow; | |
297 | __le32 rmac_err_drp_udp_oflow; | |
298 | __le32 rmac_udp_oflow; | |
299 | __le32 reserved_11; | |
300 | __le32 rmac_pause_cnt_oflow; | |
301 | __le64 rmac_ttl_1519_4095_frms; | |
302 | __le64 rmac_ttl_4096_8191_frms; | |
303 | __le64 rmac_ttl_8192_max_frms; | |
304 | __le64 rmac_ttl_gt_max_frms; | |
305 | __le64 rmac_osized_alt_frms; | |
306 | __le64 rmac_jabber_alt_frms; | |
307 | __le64 rmac_gt_max_alt_frms; | |
308 | __le64 rmac_vlan_frms; | |
309 | __le32 rmac_len_discard; | |
310 | __le32 rmac_fcs_discard; | |
311 | __le32 rmac_pf_discard; | |
312 | __le32 rmac_da_discard; | |
313 | __le32 rmac_red_discard; | |
314 | __le32 rmac_rts_discard; | |
315 | __le32 reserved_12; | |
316 | __le32 rmac_ingm_full_discard; | |
317 | __le32 reserved_13; | |
318 | __le32 rmac_accepted_ip_oflow; | |
319 | __le32 reserved_14; | |
320 | __le32 link_fault_cnt; | |
bd1034f0 | 321 | u8 buffer[20]; |
1ee6dd77 RB |
322 | struct swStat sw_stat; |
323 | struct xpakStat xpak_stat; | |
324 | }; | |
1da177e4 | 325 | |
926930b2 SS |
326 | /* Default value for 'vlan_strip_tag' configuration parameter */ |
327 | #define NO_STRIP_IN_PROMISC 2 | |
328 | ||
20346722 K |
329 | /* |
330 | * Structures representing different init time configuration | |
1da177e4 LT |
331 | * parameters of the NIC. |
332 | */ | |
333 | ||
20346722 K |
334 | #define MAX_TX_FIFOS 8 |
335 | #define MAX_RX_RINGS 8 | |
336 | ||
0cec35eb SH |
337 | #define MAX_RX_DESC_1 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 127 ) |
338 | #define MAX_RX_DESC_2 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 ) | |
339 | #define MAX_RX_DESC_3 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 ) | |
340 | #define MAX_TX_DESC (MAX_AVAILABLE_TXDS) | |
341 | ||
20346722 | 342 | /* FIFO mappings for all possible number of fifos configured */ |
26df54bf | 343 | static int fifo_map[][MAX_TX_FIFOS] = { |
20346722 K |
344 | {0, 0, 0, 0, 0, 0, 0, 0}, |
345 | {0, 0, 0, 0, 1, 1, 1, 1}, | |
346 | {0, 0, 0, 1, 1, 1, 2, 2}, | |
347 | {0, 0, 1, 1, 2, 2, 3, 3}, | |
348 | {0, 0, 1, 1, 2, 2, 3, 4}, | |
349 | {0, 0, 1, 1, 2, 3, 4, 5}, | |
350 | {0, 0, 1, 2, 3, 4, 5, 6}, | |
351 | {0, 1, 2, 3, 4, 5, 6, 7}, | |
352 | }; | |
353 | ||
1da177e4 | 354 | /* Maintains Per FIFO related information. */ |
1ee6dd77 | 355 | struct tx_fifo_config { |
1da177e4 LT |
356 | #define MAX_AVAILABLE_TXDS 8192 |
357 | u32 fifo_len; /* specifies len of FIFO upto 8192, ie no of TxDLs */ | |
358 | /* Priority definition */ | |
359 | #define TX_FIFO_PRI_0 0 /*Highest */ | |
360 | #define TX_FIFO_PRI_1 1 | |
361 | #define TX_FIFO_PRI_2 2 | |
362 | #define TX_FIFO_PRI_3 3 | |
363 | #define TX_FIFO_PRI_4 4 | |
364 | #define TX_FIFO_PRI_5 5 | |
365 | #define TX_FIFO_PRI_6 6 | |
366 | #define TX_FIFO_PRI_7 7 /*lowest */ | |
367 | u8 fifo_priority; /* specifies pointer level for FIFO */ | |
368 | /* user should not set twos fifos with same pri */ | |
369 | u8 f_no_snoop; | |
370 | #define NO_SNOOP_TXD 0x01 | |
371 | #define NO_SNOOP_TXD_BUFFER 0x02 | |
1ee6dd77 | 372 | }; |
1da177e4 LT |
373 | |
374 | ||
375 | /* Maintains per Ring related information */ | |
1ee6dd77 | 376 | struct rx_ring_config { |
1da177e4 LT |
377 | u32 num_rxd; /*No of RxDs per Rx Ring */ |
378 | #define RX_RING_PRI_0 0 /* highest */ | |
379 | #define RX_RING_PRI_1 1 | |
380 | #define RX_RING_PRI_2 2 | |
381 | #define RX_RING_PRI_3 3 | |
382 | #define RX_RING_PRI_4 4 | |
383 | #define RX_RING_PRI_5 5 | |
384 | #define RX_RING_PRI_6 6 | |
385 | #define RX_RING_PRI_7 7 /* lowest */ | |
386 | ||
387 | u8 ring_priority; /*Specifies service priority of ring */ | |
388 | /* OSM should not set any two rings with same priority */ | |
389 | u8 ring_org; /*Organization of ring */ | |
390 | #define RING_ORG_BUFF1 0x01 | |
391 | #define RX_RING_ORG_BUFF3 0x03 | |
392 | #define RX_RING_ORG_BUFF5 0x05 | |
393 | ||
394 | u8 f_no_snoop; | |
395 | #define NO_SNOOP_RXD 0x01 | |
396 | #define NO_SNOOP_RXD_BUFFER 0x02 | |
1ee6dd77 | 397 | }; |
1da177e4 | 398 | |
20346722 K |
399 | /* This structure provides contains values of the tunable parameters |
400 | * of the H/W | |
1da177e4 LT |
401 | */ |
402 | struct config_param { | |
403 | /* Tx Side */ | |
404 | u32 tx_fifo_num; /*Number of Tx FIFOs */ | |
1da177e4 | 405 | |
20346722 | 406 | u8 fifo_mapping[MAX_TX_FIFOS]; |
1ee6dd77 | 407 | struct tx_fifo_config tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */ |
1da177e4 LT |
408 | u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */ |
409 | u64 tx_intr_type; | |
410 | /* Specifies if Tx Intr is UTILZ or PER_LIST type. */ | |
411 | ||
412 | /* Rx Side */ | |
413 | u32 rx_ring_num; /*Number of receive rings */ | |
1da177e4 LT |
414 | #define MAX_RX_BLOCKS_PER_RING 150 |
415 | ||
1ee6dd77 | 416 | struct rx_ring_config rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */ |
b6e3f982 | 417 | u8 bimodal; /*Flag for setting bimodal interrupts*/ |
1da177e4 LT |
418 | |
419 | #define HEADER_ETHERNET_II_802_3_SIZE 14 | |
420 | #define HEADER_802_2_SIZE 3 | |
421 | #define HEADER_SNAP_SIZE 5 | |
422 | #define HEADER_VLAN_SIZE 4 | |
423 | ||
424 | #define MIN_MTU 46 | |
425 | #define MAX_PYLD 1500 | |
426 | #define MAX_MTU (MAX_PYLD+18) | |
427 | #define MAX_MTU_VLAN (MAX_PYLD+22) | |
428 | #define MAX_PYLD_JUMBO 9600 | |
429 | #define MAX_MTU_JUMBO (MAX_PYLD_JUMBO+18) | |
430 | #define MAX_MTU_JUMBO_VLAN (MAX_PYLD_JUMBO+22) | |
20346722 | 431 | u16 bus_speed; |
1da177e4 LT |
432 | }; |
433 | ||
434 | /* Structure representing MAC Addrs */ | |
1ee6dd77 | 435 | struct mac_addr { |
1da177e4 | 436 | u8 mac_addr[ETH_ALEN]; |
1ee6dd77 | 437 | }; |
1da177e4 LT |
438 | |
439 | /* Structure that represent every FIFO element in the BAR1 | |
20346722 | 440 | * Address location. |
1da177e4 | 441 | */ |
1ee6dd77 | 442 | struct TxFIFO_element { |
1da177e4 LT |
443 | u64 TxDL_Pointer; |
444 | ||
445 | u64 List_Control; | |
446 | #define TX_FIFO_LAST_TXD_NUM( val) vBIT(val,0,8) | |
447 | #define TX_FIFO_FIRST_LIST BIT(14) | |
448 | #define TX_FIFO_LAST_LIST BIT(15) | |
449 | #define TX_FIFO_FIRSTNLAST_LIST vBIT(3,14,2) | |
450 | #define TX_FIFO_SPECIAL_FUNC BIT(23) | |
451 | #define TX_FIFO_DS_NO_SNOOP BIT(31) | |
452 | #define TX_FIFO_BUFF_NO_SNOOP BIT(30) | |
1ee6dd77 | 453 | }; |
1da177e4 LT |
454 | |
455 | /* Tx descriptor structure */ | |
1ee6dd77 | 456 | struct TxD { |
1da177e4 LT |
457 | u64 Control_1; |
458 | /* bit mask */ | |
459 | #define TXD_LIST_OWN_XENA BIT(7) | |
460 | #define TXD_T_CODE (BIT(12)|BIT(13)|BIT(14)|BIT(15)) | |
461 | #define TXD_T_CODE_OK(val) (|(val & TXD_T_CODE)) | |
462 | #define GET_TXD_T_CODE(val) ((val & TXD_T_CODE)<<12) | |
463 | #define TXD_GATHER_CODE (BIT(22) | BIT(23)) | |
464 | #define TXD_GATHER_CODE_FIRST BIT(22) | |
465 | #define TXD_GATHER_CODE_LAST BIT(23) | |
466 | #define TXD_TCP_LSO_EN BIT(30) | |
467 | #define TXD_UDP_COF_EN BIT(31) | |
fed5eccd | 468 | #define TXD_UFO_EN BIT(31) | BIT(30) |
1da177e4 | 469 | #define TXD_TCP_LSO_MSS(val) vBIT(val,34,14) |
fed5eccd | 470 | #define TXD_UFO_MSS(val) vBIT(val,34,14) |
1da177e4 LT |
471 | #define TXD_BUFFER0_SIZE(val) vBIT(val,48,16) |
472 | ||
473 | u64 Control_2; | |
474 | #define TXD_TX_CKO_CONTROL (BIT(5)|BIT(6)|BIT(7)) | |
475 | #define TXD_TX_CKO_IPV4_EN BIT(5) | |
476 | #define TXD_TX_CKO_TCP_EN BIT(6) | |
477 | #define TXD_TX_CKO_UDP_EN BIT(7) | |
478 | #define TXD_VLAN_ENABLE BIT(15) | |
479 | #define TXD_VLAN_TAG(val) vBIT(val,16,16) | |
480 | #define TXD_INT_NUMBER(val) vBIT(val,34,6) | |
481 | #define TXD_INT_TYPE_PER_LIST BIT(47) | |
482 | #define TXD_INT_TYPE_UTILZ BIT(46) | |
483 | #define TXD_SET_MARKER vBIT(0x6,0,4) | |
484 | ||
485 | u64 Buffer_Pointer; | |
486 | u64 Host_Control; /* reserved for host */ | |
1ee6dd77 | 487 | }; |
1da177e4 LT |
488 | |
489 | /* Structure to hold the phy and virt addr of every TxDL. */ | |
1ee6dd77 | 490 | struct list_info_hold { |
1da177e4 LT |
491 | dma_addr_t list_phy_addr; |
492 | void *list_virt_addr; | |
1ee6dd77 | 493 | }; |
1da177e4 | 494 | |
da6971d8 | 495 | /* Rx descriptor structure for 1 buffer mode */ |
1ee6dd77 | 496 | struct RxD_t { |
1da177e4 LT |
497 | u64 Host_Control; /* reserved for host */ |
498 | u64 Control_1; | |
499 | #define RXD_OWN_XENA BIT(7) | |
500 | #define RXD_T_CODE (BIT(12)|BIT(13)|BIT(14)|BIT(15)) | |
501 | #define RXD_FRAME_PROTO vBIT(0xFFFF,24,8) | |
502 | #define RXD_FRAME_PROTO_IPV4 BIT(27) | |
503 | #define RXD_FRAME_PROTO_IPV6 BIT(28) | |
20346722 | 504 | #define RXD_FRAME_IP_FRAG BIT(29) |
1da177e4 LT |
505 | #define RXD_FRAME_PROTO_TCP BIT(30) |
506 | #define RXD_FRAME_PROTO_UDP BIT(31) | |
507 | #define TCP_OR_UDP_FRAME (RXD_FRAME_PROTO_TCP | RXD_FRAME_PROTO_UDP) | |
508 | #define RXD_GET_L3_CKSUM(val) ((u16)(val>> 16) & 0xFFFF) | |
509 | #define RXD_GET_L4_CKSUM(val) ((u16)(val) & 0xFFFF) | |
510 | ||
511 | u64 Control_2; | |
5e25b9dd K |
512 | #define THE_RXD_MARK 0x3 |
513 | #define SET_RXD_MARKER vBIT(THE_RXD_MARK, 0, 2) | |
514 | #define GET_RXD_MARKER(ctrl) ((ctrl & SET_RXD_MARKER) >> 62) | |
515 | ||
1da177e4 LT |
516 | #define MASK_VLAN_TAG vBIT(0xFFFF,48,16) |
517 | #define SET_VLAN_TAG(val) vBIT(val,48,16) | |
518 | #define SET_NUM_TAG(val) vBIT(val,16,32) | |
519 | ||
da6971d8 | 520 | |
1ee6dd77 | 521 | }; |
da6971d8 | 522 | /* Rx descriptor structure for 1 buffer mode */ |
1ee6dd77 RB |
523 | struct RxD1 { |
524 | struct RxD_t h; | |
da6971d8 AR |
525 | |
526 | #define MASK_BUFFER0_SIZE_1 vBIT(0x3FFF,2,14) | |
527 | #define SET_BUFFER0_SIZE_1(val) vBIT(val,2,14) | |
528 | #define RXD_GET_BUFFER0_SIZE_1(_Control_2) \ | |
529 | (u16)((_Control_2 & MASK_BUFFER0_SIZE_1) >> 48) | |
530 | u64 Buffer0_ptr; | |
1ee6dd77 | 531 | }; |
da6971d8 AR |
532 | /* Rx descriptor structure for 3 or 2 buffer mode */ |
533 | ||
1ee6dd77 RB |
534 | struct RxD3 { |
535 | struct RxD_t h; | |
da6971d8 AR |
536 | |
537 | #define MASK_BUFFER0_SIZE_3 vBIT(0xFF,2,14) | |
538 | #define MASK_BUFFER1_SIZE_3 vBIT(0xFFFF,16,16) | |
539 | #define MASK_BUFFER2_SIZE_3 vBIT(0xFFFF,32,16) | |
540 | #define SET_BUFFER0_SIZE_3(val) vBIT(val,8,8) | |
541 | #define SET_BUFFER1_SIZE_3(val) vBIT(val,16,16) | |
542 | #define SET_BUFFER2_SIZE_3(val) vBIT(val,32,16) | |
543 | #define RXD_GET_BUFFER0_SIZE_3(Control_2) \ | |
544 | (u8)((Control_2 & MASK_BUFFER0_SIZE_3) >> 48) | |
545 | #define RXD_GET_BUFFER1_SIZE_3(Control_2) \ | |
546 | (u16)((Control_2 & MASK_BUFFER1_SIZE_3) >> 32) | |
547 | #define RXD_GET_BUFFER2_SIZE_3(Control_2) \ | |
548 | (u16)((Control_2 & MASK_BUFFER2_SIZE_3) >> 16) | |
1da177e4 LT |
549 | #define BUF0_LEN 40 |
550 | #define BUF1_LEN 1 | |
1da177e4 LT |
551 | |
552 | u64 Buffer0_ptr; | |
1da177e4 LT |
553 | u64 Buffer1_ptr; |
554 | u64 Buffer2_ptr; | |
1ee6dd77 | 555 | }; |
da6971d8 | 556 | |
1da177e4 | 557 | |
20346722 | 558 | /* Structure that represents the Rx descriptor block which contains |
1da177e4 LT |
559 | * 128 Rx descriptors. |
560 | */ | |
1ee6dd77 | 561 | struct RxD_block { |
da6971d8 | 562 | #define MAX_RXDS_PER_BLOCK_1 127 |
1ee6dd77 | 563 | struct RxD1 rxd[MAX_RXDS_PER_BLOCK_1]; |
1da177e4 LT |
564 | |
565 | u64 reserved_0; | |
566 | #define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL | |
20346722 | 567 | u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last |
1da177e4 LT |
568 | * Rxd in this blk */ |
569 | u64 reserved_2_pNext_RxD_block; /* Logical ptr to next */ | |
570 | u64 pNext_RxD_Blk_physical; /* Buff0_ptr.In a 32 bit arch | |
20346722 | 571 | * the upper 32 bits should |
1da177e4 | 572 | * be 0 */ |
1ee6dd77 | 573 | }; |
1da177e4 | 574 | |
1da177e4 LT |
575 | #define SIZE_OF_BLOCK 4096 |
576 | ||
19a60522 | 577 | #define RXD_MODE_1 0 /* One Buffer mode */ |
6d517a27 | 578 | #define RXD_MODE_3B 1 /* Two Buffer mode */ |
da6971d8 | 579 | |
20346722 | 580 | /* Structure to hold virtual addresses of Buf0 and Buf1 in |
1da177e4 | 581 | * 2buf mode. */ |
1ee6dd77 | 582 | struct buffAdd { |
1da177e4 LT |
583 | void *ba_0_org; |
584 | void *ba_1_org; | |
585 | void *ba_0; | |
586 | void *ba_1; | |
1ee6dd77 | 587 | }; |
1da177e4 LT |
588 | |
589 | /* Structure which stores all the MAC control parameters */ | |
590 | ||
20346722 K |
591 | /* This structure stores the offset of the RxD in the ring |
592 | * from which the Rx Interrupt processor can start picking | |
1da177e4 LT |
593 | * up the RxDs for processing. |
594 | */ | |
1ee6dd77 | 595 | struct rx_curr_get_info { |
1da177e4 LT |
596 | u32 block_index; |
597 | u32 offset; | |
598 | u32 ring_len; | |
1ee6dd77 | 599 | }; |
1da177e4 | 600 | |
1ee6dd77 RB |
601 | struct rx_curr_put_info { |
602 | u32 block_index; | |
603 | u32 offset; | |
604 | u32 ring_len; | |
605 | }; | |
1da177e4 LT |
606 | |
607 | /* This structure stores the offset of the TxDl in the FIFO | |
20346722 | 608 | * from which the Tx Interrupt processor can start picking |
1da177e4 LT |
609 | * up the TxDLs for send complete interrupt processing. |
610 | */ | |
1ee6dd77 | 611 | struct tx_curr_get_info { |
1da177e4 LT |
612 | u32 offset; |
613 | u32 fifo_len; | |
1ee6dd77 | 614 | }; |
1da177e4 | 615 | |
1ee6dd77 RB |
616 | struct tx_curr_put_info { |
617 | u32 offset; | |
618 | u32 fifo_len; | |
619 | }; | |
da6971d8 | 620 | |
1ee6dd77 | 621 | struct rxd_info { |
da6971d8 AR |
622 | void *virt_addr; |
623 | dma_addr_t dma_addr; | |
1ee6dd77 | 624 | }; |
da6971d8 | 625 | |
20346722 | 626 | /* Structure that holds the Phy and virt addresses of the Blocks */ |
1ee6dd77 | 627 | struct rx_block_info { |
da6971d8 | 628 | void *block_virt_addr; |
20346722 | 629 | dma_addr_t block_dma_addr; |
1ee6dd77 RB |
630 | struct rxd_info *rxds; |
631 | }; | |
20346722 K |
632 | |
633 | /* Ring specific structure */ | |
1ee6dd77 | 634 | struct ring_info { |
20346722 K |
635 | /* The ring number */ |
636 | int ring_no; | |
637 | ||
638 | /* | |
639 | * Place holders for the virtual and physical addresses of | |
640 | * all the Rx Blocks | |
641 | */ | |
1ee6dd77 | 642 | struct rx_block_info rx_blocks[MAX_RX_BLOCKS_PER_RING]; |
20346722 K |
643 | int block_count; |
644 | int pkt_cnt; | |
645 | ||
646 | /* | |
647 | * Put pointer info which indictes which RxD has to be replenished | |
1da177e4 LT |
648 | * with a new buffer. |
649 | */ | |
1ee6dd77 | 650 | struct rx_curr_put_info rx_curr_put_info; |
1da177e4 | 651 | |
20346722 K |
652 | /* |
653 | * Get pointer info which indictes which is the last RxD that was | |
1da177e4 LT |
654 | * processed by the driver. |
655 | */ | |
1ee6dd77 | 656 | struct rx_curr_get_info rx_curr_get_info; |
1da177e4 | 657 | |
20346722 K |
658 | /* Index to the absolute position of the put pointer of Rx ring */ |
659 | int put_pos; | |
20346722 | 660 | |
20346722 | 661 | /* Buffer Address store. */ |
1ee6dd77 RB |
662 | struct buffAdd **ba; |
663 | struct s2io_nic *nic; | |
664 | }; | |
1da177e4 | 665 | |
20346722 | 666 | /* Fifo specific structure */ |
1ee6dd77 | 667 | struct fifo_info { |
20346722 K |
668 | /* FIFO number */ |
669 | int fifo_no; | |
670 | ||
671 | /* Maximum TxDs per TxDL */ | |
672 | int max_txds; | |
673 | ||
674 | /* Place holder of all the TX List's Phy and Virt addresses. */ | |
1ee6dd77 | 675 | struct list_info_hold *list_info; |
20346722 K |
676 | |
677 | /* | |
678 | * Current offset within the tx FIFO where driver would write | |
679 | * new Tx frame | |
680 | */ | |
1ee6dd77 | 681 | struct tx_curr_put_info tx_curr_put_info; |
20346722 K |
682 | |
683 | /* | |
684 | * Current offset within tx FIFO from where the driver would start freeing | |
685 | * the buffers | |
686 | */ | |
1ee6dd77 | 687 | struct tx_curr_get_info tx_curr_get_info; |
20346722 | 688 | |
1ee6dd77 RB |
689 | struct s2io_nic *nic; |
690 | }; | |
20346722 | 691 | |
47bdd718 | 692 | /* Information related to the Tx and Rx FIFOs and Rings of Xena |
20346722 K |
693 | * is maintained in this structure. |
694 | */ | |
1ee6dd77 | 695 | struct mac_info { |
1da177e4 LT |
696 | /* tx side stuff */ |
697 | /* logical pointer of start of each Tx FIFO */ | |
1ee6dd77 | 698 | struct TxFIFO_element __iomem *tx_FIFO_start[MAX_TX_FIFOS]; |
1da177e4 | 699 | |
20346722 | 700 | /* Fifo specific structure */ |
1ee6dd77 | 701 | struct fifo_info fifos[MAX_TX_FIFOS]; |
20346722 | 702 | |
776bd20f | 703 | /* Save virtual address of TxD page with zero DMA addr(if any) */ |
704 | void *zerodma_virt_addr; | |
705 | ||
20346722 K |
706 | /* rx side stuff */ |
707 | /* Ring specific structure */ | |
1ee6dd77 | 708 | struct ring_info rings[MAX_RX_RINGS]; |
20346722 K |
709 | |
710 | u16 rmac_pause_time; | |
711 | u16 mc_pause_threshold_q0q3; | |
712 | u16 mc_pause_threshold_q4q7; | |
1da177e4 LT |
713 | |
714 | void *stats_mem; /* orignal pointer to allocated mem */ | |
715 | dma_addr_t stats_mem_phy; /* Physical address of the stat block */ | |
716 | u32 stats_mem_sz; | |
1ee6dd77 RB |
717 | struct stat_block *stats_info; /* Logical address of the stat block */ |
718 | }; | |
1da177e4 LT |
719 | |
720 | /* structure representing the user defined MAC addresses */ | |
1ee6dd77 | 721 | struct usr_addr { |
1da177e4 LT |
722 | char addr[ETH_ALEN]; |
723 | int usage_cnt; | |
1ee6dd77 | 724 | }; |
1da177e4 | 725 | |
1da177e4 | 726 | /* Default Tunable parameters of the NIC. */ |
9dc737a7 AR |
727 | #define DEFAULT_FIFO_0_LEN 4096 |
728 | #define DEFAULT_FIFO_1_7_LEN 512 | |
c92ca04b AR |
729 | #define SMALL_BLK_CNT 30 |
730 | #define LARGE_BLK_CNT 100 | |
1da177e4 | 731 | |
cc6e7c44 RA |
732 | /* |
733 | * Structure to keep track of the MSI-X vectors and the corresponding | |
734 | * argument registered against each vector | |
735 | */ | |
736 | #define MAX_REQUESTED_MSI_X 17 | |
737 | struct s2io_msix_entry | |
738 | { | |
739 | u16 vector; | |
740 | u16 entry; | |
741 | void *arg; | |
742 | ||
743 | u8 type; | |
744 | #define MSIX_FIFO_TYPE 1 | |
745 | #define MSIX_RING_TYPE 2 | |
746 | ||
747 | u8 in_use; | |
748 | #define MSIX_REGISTERED_SUCCESS 0xAA | |
749 | }; | |
750 | ||
751 | struct msix_info_st { | |
752 | u64 addr; | |
753 | u64 data; | |
754 | }; | |
755 | ||
7d3d0439 | 756 | /* Data structure to represent a LRO session */ |
1ee6dd77 | 757 | struct lro { |
7d3d0439 | 758 | struct sk_buff *parent; |
75c30b13 | 759 | struct sk_buff *last_frag; |
7d3d0439 RA |
760 | u8 *l2h; |
761 | struct iphdr *iph; | |
762 | struct tcphdr *tcph; | |
763 | u32 tcp_next_seq; | |
bd4f3ae1 | 764 | __be32 tcp_ack; |
7d3d0439 RA |
765 | int total_len; |
766 | int frags_len; | |
767 | int sg_num; | |
768 | int in_use; | |
bd4f3ae1 | 769 | __be16 window; |
7d3d0439 RA |
770 | u32 cur_tsval; |
771 | u32 cur_tsecr; | |
772 | u8 saw_ts; | |
1ee6dd77 | 773 | }; |
7d3d0439 | 774 | |
1da177e4 | 775 | /* Structure representing one instance of the NIC */ |
20346722 | 776 | struct s2io_nic { |
da6971d8 | 777 | int rxd_mode; |
20346722 K |
778 | /* |
779 | * Count of packets to be processed in a given iteration, it will be indicated | |
780 | * by the quota field of the device structure when NAPI is enabled. | |
781 | */ | |
782 | int pkts_to_process; | |
20346722 | 783 | struct net_device *dev; |
1ee6dd77 | 784 | struct mac_info mac_control; |
20346722 K |
785 | struct config_param config; |
786 | struct pci_dev *pdev; | |
787 | void __iomem *bar0; | |
788 | void __iomem *bar1; | |
1da177e4 LT |
789 | #define MAX_MAC_SUPPORTED 16 |
790 | #define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED | |
791 | ||
1ee6dd77 | 792 | struct mac_addr def_mac_addr[MAX_MAC_SUPPORTED]; |
1da177e4 LT |
793 | |
794 | struct net_device_stats stats; | |
1da177e4 | 795 | int high_dma_flag; |
1da177e4 LT |
796 | int device_enabled_once; |
797 | ||
c92ca04b | 798 | char name[60]; |
1da177e4 LT |
799 | struct tasklet_struct task; |
800 | volatile unsigned long tasklet_status; | |
1da177e4 | 801 | |
25fff88e K |
802 | /* Timer that handles I/O errors/exceptions */ |
803 | struct timer_list alarm_timer; | |
804 | ||
20346722 K |
805 | /* Space to back up the PCI config space */ |
806 | u32 config_space[256 / sizeof(u32)]; | |
807 | ||
1da177e4 LT |
808 | atomic_t rx_bufs_left[MAX_RX_RINGS]; |
809 | ||
810 | spinlock_t tx_lock; | |
1da177e4 | 811 | spinlock_t put_lock; |
1da177e4 LT |
812 | |
813 | #define PROMISC 1 | |
814 | #define ALL_MULTI 2 | |
815 | ||
816 | #define MAX_ADDRS_SUPPORTED 64 | |
817 | u16 usr_addr_count; | |
818 | u16 mc_addr_count; | |
1ee6dd77 | 819 | struct usr_addr usr_addrs[MAX_ADDRS_SUPPORTED]; |
1da177e4 LT |
820 | |
821 | u16 m_cast_flg; | |
822 | u16 all_multi_pos; | |
823 | u16 promisc_flg; | |
824 | ||
1da177e4 LT |
825 | /* Id timer, used to blink NIC to physically identify NIC. */ |
826 | struct timer_list id_timer; | |
827 | ||
828 | /* Restart timer, used to restart NIC if the device is stuck and | |
20346722 | 829 | * a schedule task that will set the correct Link state once the |
1da177e4 LT |
830 | * NIC's PHY has stabilized after a state change. |
831 | */ | |
1da177e4 LT |
832 | struct work_struct rst_timer_task; |
833 | struct work_struct set_link_task; | |
1da177e4 | 834 | |
20346722 | 835 | /* Flag that can be used to turn on or turn off the Rx checksum |
1da177e4 LT |
836 | * offload feature. |
837 | */ | |
838 | int rx_csum; | |
839 | ||
20346722 | 840 | /* after blink, the adapter must be restored with original |
1da177e4 LT |
841 | * values. |
842 | */ | |
843 | u64 adapt_ctrl_org; | |
844 | ||
845 | /* Last known link state. */ | |
846 | u16 last_link_state; | |
847 | #define LINK_DOWN 1 | |
848 | #define LINK_UP 2 | |
849 | ||
1da177e4 | 850 | int task_flag; |
491976b2 | 851 | unsigned long long start_time; |
1da177e4 LT |
852 | #define CARD_DOWN 1 |
853 | #define CARD_UP 2 | |
854 | atomic_t card_state; | |
855 | volatile unsigned long link_state; | |
be3a6b02 | 856 | struct vlan_group *vlgrp; |
cc6e7c44 RA |
857 | #define MSIX_FLG 0xA5 |
858 | struct msix_entry *entries; | |
859 | struct s2io_msix_entry *s2io_entries; | |
e6a8fee2 | 860 | char desc[MAX_REQUESTED_MSI_X][25]; |
cc6e7c44 | 861 | |
c92ca04b AR |
862 | int avail_msix_vectors; /* No. of MSI-X vectors granted by system */ |
863 | ||
cc6e7c44 RA |
864 | struct msix_info_st msix_info[0x3f]; |
865 | ||
541ae68f K |
866 | #define XFRAME_I_DEVICE 1 |
867 | #define XFRAME_II_DEVICE 2 | |
868 | u8 device_type; | |
be3a6b02 | 869 | |
7d3d0439 | 870 | #define MAX_LRO_SESSIONS 32 |
1ee6dd77 | 871 | struct lro lro0_n[MAX_LRO_SESSIONS]; |
7d3d0439 RA |
872 | unsigned long clubbed_frms_cnt; |
873 | unsigned long sending_both; | |
874 | u8 lro; | |
875 | u16 lro_max_aggr_per_sess; | |
876 | ||
cc6e7c44 | 877 | #define INTA 0 |
cc6e7c44 RA |
878 | #define MSI_X 2 |
879 | u8 intr_type; | |
880 | ||
7ba013ac K |
881 | spinlock_t rx_lock; |
882 | atomic_t isr_cnt; | |
fed5eccd | 883 | u64 *ufo_in_band_v; |
19a60522 SS |
884 | #define VPD_STRING_LEN 80 |
885 | u8 product_name[VPD_STRING_LEN]; | |
886 | u8 serial_num[VPD_STRING_LEN]; | |
20346722 | 887 | }; |
1da177e4 LT |
888 | |
889 | #define RESET_ERROR 1; | |
890 | #define CMD_ERROR 2; | |
891 | ||
892 | /* OS related system calls */ | |
893 | #ifndef readq | |
894 | static inline u64 readq(void __iomem *addr) | |
895 | { | |
20346722 K |
896 | u64 ret = 0; |
897 | ret = readl(addr + 4); | |
7ef24b69 AM |
898 | ret <<= 32; |
899 | ret |= readl(addr); | |
1da177e4 LT |
900 | |
901 | return ret; | |
902 | } | |
903 | #endif | |
904 | ||
905 | #ifndef writeq | |
906 | static inline void writeq(u64 val, void __iomem *addr) | |
907 | { | |
908 | writel((u32) (val), addr); | |
909 | writel((u32) (val >> 32), (addr + 4)); | |
910 | } | |
c92ca04b | 911 | #endif |
1da177e4 | 912 | |
6aa20a22 JG |
913 | /* |
914 | * Some registers have to be written in a particular order to | |
915 | * expect correct hardware operation. The macro SPECIAL_REG_WRITE | |
916 | * is used to perform such ordered writes. Defines UF (Upper First) | |
c92ca04b | 917 | * and LF (Lower First) will be used to specify the required write order. |
1da177e4 LT |
918 | */ |
919 | #define UF 1 | |
920 | #define LF 2 | |
921 | static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order) | |
922 | { | |
c92ca04b AR |
923 | u32 ret; |
924 | ||
1da177e4 LT |
925 | if (order == LF) { |
926 | writel((u32) (val), addr); | |
c92ca04b | 927 | ret = readl(addr); |
1da177e4 | 928 | writel((u32) (val >> 32), (addr + 4)); |
c92ca04b | 929 | ret = readl(addr + 4); |
1da177e4 LT |
930 | } else { |
931 | writel((u32) (val >> 32), (addr + 4)); | |
c92ca04b | 932 | ret = readl(addr + 4); |
1da177e4 | 933 | writel((u32) (val), addr); |
c92ca04b | 934 | ret = readl(addr); |
1da177e4 LT |
935 | } |
936 | } | |
1da177e4 LT |
937 | |
938 | /* Interrupt related values of Xena */ | |
939 | ||
940 | #define ENABLE_INTRS 1 | |
941 | #define DISABLE_INTRS 2 | |
942 | ||
943 | /* Highest level interrupt blocks */ | |
944 | #define TX_PIC_INTR (0x0001<<0) | |
945 | #define TX_DMA_INTR (0x0001<<1) | |
946 | #define TX_MAC_INTR (0x0001<<2) | |
947 | #define TX_XGXS_INTR (0x0001<<3) | |
948 | #define TX_TRAFFIC_INTR (0x0001<<4) | |
949 | #define RX_PIC_INTR (0x0001<<5) | |
950 | #define RX_DMA_INTR (0x0001<<6) | |
951 | #define RX_MAC_INTR (0x0001<<7) | |
952 | #define RX_XGXS_INTR (0x0001<<8) | |
953 | #define RX_TRAFFIC_INTR (0x0001<<9) | |
954 | #define MC_INTR (0x0001<<10) | |
955 | #define ENA_ALL_INTRS ( TX_PIC_INTR | \ | |
956 | TX_DMA_INTR | \ | |
957 | TX_MAC_INTR | \ | |
958 | TX_XGXS_INTR | \ | |
959 | TX_TRAFFIC_INTR | \ | |
960 | RX_PIC_INTR | \ | |
961 | RX_DMA_INTR | \ | |
962 | RX_MAC_INTR | \ | |
963 | RX_XGXS_INTR | \ | |
964 | RX_TRAFFIC_INTR | \ | |
965 | MC_INTR ) | |
966 | ||
967 | /* Interrupt masks for the general interrupt mask register */ | |
968 | #define DISABLE_ALL_INTRS 0xFFFFFFFFFFFFFFFFULL | |
969 | ||
970 | #define TXPIC_INT_M BIT(0) | |
971 | #define TXDMA_INT_M BIT(1) | |
972 | #define TXMAC_INT_M BIT(2) | |
973 | #define TXXGXS_INT_M BIT(3) | |
974 | #define TXTRAFFIC_INT_M BIT(8) | |
975 | #define PIC_RX_INT_M BIT(32) | |
976 | #define RXDMA_INT_M BIT(33) | |
977 | #define RXMAC_INT_M BIT(34) | |
978 | #define MC_INT_M BIT(35) | |
979 | #define RXXGXS_INT_M BIT(36) | |
980 | #define RXTRAFFIC_INT_M BIT(40) | |
981 | ||
982 | /* PIC level Interrupts TODO*/ | |
983 | ||
984 | /* DMA level Inressupts */ | |
985 | #define TXDMA_PFC_INT_M BIT(0) | |
986 | #define TXDMA_PCC_INT_M BIT(2) | |
987 | ||
988 | /* PFC block interrupts */ | |
989 | #define PFC_MISC_ERR_1 BIT(0) /* Interrupt to indicate FIFO full */ | |
990 | ||
991 | /* PCC block interrupts. */ | |
992 | #define PCC_FB_ECC_ERR vBIT(0xff, 16, 8) /* Interrupt to indicate | |
993 | PCC_FB_ECC Error. */ | |
994 | ||
20346722 | 995 | #define RXD_GET_VLAN_TAG(Control_2) (u16)(Control_2 & MASK_VLAN_TAG) |
1da177e4 LT |
996 | /* |
997 | * Prototype declaration. | |
998 | */ | |
999 | static int __devinit s2io_init_nic(struct pci_dev *pdev, | |
1000 | const struct pci_device_id *pre); | |
1001 | static void __devexit s2io_rem_nic(struct pci_dev *pdev); | |
1002 | static int init_shared_mem(struct s2io_nic *sp); | |
1003 | static void free_shared_mem(struct s2io_nic *sp); | |
1004 | static int init_nic(struct s2io_nic *nic); | |
1ee6dd77 RB |
1005 | static void rx_intr_handler(struct ring_info *ring_data); |
1006 | static void tx_intr_handler(struct fifo_info *fifo_data); | |
1da177e4 LT |
1007 | static void alarm_intr_handler(struct s2io_nic *sp); |
1008 | ||
1009 | static int s2io_starter(void); | |
19a60522 | 1010 | static void s2io_closer(void); |
1da177e4 LT |
1011 | static void s2io_tx_watchdog(struct net_device *dev); |
1012 | static void s2io_tasklet(unsigned long dev_addr); | |
1013 | static void s2io_set_multicast(struct net_device *dev); | |
1ee6dd77 RB |
1014 | static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp); |
1015 | static void s2io_link(struct s2io_nic * sp, int link); | |
1016 | static void s2io_reset(struct s2io_nic * sp); | |
1da177e4 | 1017 | static int s2io_poll(struct net_device *dev, int *budget); |
1ee6dd77 | 1018 | static void s2io_init_pci(struct s2io_nic * sp); |
26df54bf | 1019 | static int s2io_set_mac_addr(struct net_device *dev, u8 * addr); |
25fff88e | 1020 | static void s2io_alarm_handle(unsigned long data); |
cc6e7c44 | 1021 | static irqreturn_t |
7d12e780 | 1022 | s2io_msix_ring_handle(int irq, void *dev_id); |
cc6e7c44 | 1023 | static irqreturn_t |
7d12e780 DH |
1024 | s2io_msix_fifo_handle(int irq, void *dev_id); |
1025 | static irqreturn_t s2io_isr(int irq, void *dev_id); | |
1ee6dd77 | 1026 | static int verify_xena_quiescence(struct s2io_nic *sp); |
7282d491 | 1027 | static const struct ethtool_ops netdev_ethtool_ops; |
c4028958 | 1028 | static void s2io_set_link(struct work_struct *work); |
1ee6dd77 RB |
1029 | static int s2io_set_swapper(struct s2io_nic * sp); |
1030 | static void s2io_card_down(struct s2io_nic *nic); | |
1031 | static int s2io_card_up(struct s2io_nic *nic); | |
9fc93a41 SS |
1032 | static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, |
1033 | int bit_state); | |
1ee6dd77 RB |
1034 | static int s2io_add_isr(struct s2io_nic * sp); |
1035 | static void s2io_rem_isr(struct s2io_nic * sp); | |
19a60522 | 1036 | |
1ee6dd77 | 1037 | static void restore_xmsi_data(struct s2io_nic *nic); |
7d3d0439 | 1038 | |
1ee6dd77 RB |
1039 | static int |
1040 | s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, struct lro **lro, | |
1041 | struct RxD_t *rxdp, struct s2io_nic *sp); | |
1042 | static void clear_lro_session(struct lro *lro); | |
7d3d0439 | 1043 | static void queue_rx_frame(struct sk_buff *skb); |
1ee6dd77 RB |
1044 | static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro); |
1045 | static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, | |
1046 | struct sk_buff *skb, u32 tcp_len); | |
9fc93a41 | 1047 | static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring); |
b41477f3 | 1048 | |
d796fdb7 LV |
1049 | static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev, |
1050 | pci_channel_state_t state); | |
1051 | static pci_ers_result_t s2io_io_slot_reset(struct pci_dev *pdev); | |
1052 | static void s2io_io_resume(struct pci_dev *pdev); | |
1053 | ||
75c30b13 AR |
1054 | #define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size |
1055 | #define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size | |
1056 | #define s2io_offload_type(skb) skb_shinfo(skb)->gso_type | |
1057 | ||
b41477f3 AR |
1058 | #define S2IO_PARM_INT(X, def_val) \ |
1059 | static unsigned int X = def_val;\ | |
1060 | module_param(X , uint, 0); | |
1061 | ||
1da177e4 | 1062 | #endif /* _S2IO_H */ |