Commit | Line | Data |
---|---|---|
a6a53252 JY |
1 | /* |
2 | * Copyright(c) 2007 Atheros Corporation. All rights reserved. | |
3 | * | |
4 | * Derived from Intel e1000 driver | |
5 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the Free | |
9 | * Software Foundation; either version 2 of the License, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | * more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along with | |
18 | * this program; if not, write to the Free Software Foundation, Inc., 59 | |
19 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/netdevice.h> | |
23 | ||
24 | #include "atl1e.h" | |
25 | ||
26 | /* This is the only thing that needs to be changed to adjust the | |
27 | * maximum number of ports that the driver can manage. | |
28 | */ | |
29 | ||
30 | #define ATL1E_MAX_NIC 32 | |
31 | ||
32 | #define OPTION_UNSET -1 | |
33 | #define OPTION_DISABLED 0 | |
34 | #define OPTION_ENABLED 1 | |
35 | ||
36 | /* All parameters are treated the same, as an integer array of values. | |
37 | * This macro just reduces the need to repeat the same declaration code | |
38 | * over and over (plus this helps to avoid typo bugs). | |
39 | */ | |
40 | #define ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET } | |
41 | ||
42 | #define ATL1E_PARAM(x, desc) \ | |
43 | static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \ | |
fd8ef49e | 44 | static unsigned int num_##x; \ |
a6a53252 JY |
45 | module_param_array_named(x, x, int, &num_##x, 0); \ |
46 | MODULE_PARM_DESC(x, desc); | |
47 | ||
48 | /* Transmit Memory count | |
49 | * | |
50 | * Valid Range: 64-2048 | |
51 | * | |
52 | * Default Value: 128 | |
53 | */ | |
54 | #define ATL1E_MIN_TX_DESC_CNT 32 | |
55 | #define ATL1E_MAX_TX_DESC_CNT 1020 | |
56 | #define ATL1E_DEFAULT_TX_DESC_CNT 128 | |
57 | ATL1E_PARAM(tx_desc_cnt, "Transmit description count"); | |
58 | ||
59 | /* Receive Memory Block Count | |
60 | * | |
61 | * Valid Range: 16-512 | |
62 | * | |
63 | * Default Value: 128 | |
64 | */ | |
65 | #define ATL1E_MIN_RX_MEM_SIZE 8 /* 8KB */ | |
66 | #define ATL1E_MAX_RX_MEM_SIZE 1024 /* 1MB */ | |
67 | #define ATL1E_DEFAULT_RX_MEM_SIZE 256 /* 128KB */ | |
68 | ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)"); | |
69 | ||
70 | /* User Specified MediaType Override | |
71 | * | |
72 | * Valid Range: 0-5 | |
73 | * - 0 - auto-negotiate at all supported speeds | |
74 | * - 1 - only link at 100Mbps Full Duplex | |
75 | * - 2 - only link at 100Mbps Half Duplex | |
76 | * - 3 - only link at 10Mbps Full Duplex | |
77 | * - 4 - only link at 10Mbps Half Duplex | |
78 | * Default Value: 0 | |
79 | */ | |
80 | ||
81 | ATL1E_PARAM(media_type, "MediaType Select"); | |
82 | ||
83 | /* Interrupt Moderate Timer in units of 2 us | |
84 | * | |
85 | * Valid Range: 10-65535 | |
86 | * | |
87 | * Default Value: 45000(90ms) | |
88 | */ | |
89 | #define INT_MOD_DEFAULT_CNT 100 /* 200us */ | |
90 | #define INT_MOD_MAX_CNT 65000 | |
91 | #define INT_MOD_MIN_CNT 50 | |
92 | ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer"); | |
93 | ||
94 | #define AUTONEG_ADV_DEFAULT 0x2F | |
95 | #define AUTONEG_ADV_MASK 0x2F | |
96 | #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL | |
97 | ||
98 | #define FLASH_VENDOR_DEFAULT 0 | |
99 | #define FLASH_VENDOR_MIN 0 | |
100 | #define FLASH_VENDOR_MAX 2 | |
101 | ||
102 | struct atl1e_option { | |
103 | enum { enable_option, range_option, list_option } type; | |
104 | char *name; | |
105 | char *err; | |
106 | int def; | |
107 | union { | |
108 | struct { /* range_option info */ | |
109 | int min; | |
110 | int max; | |
111 | } r; | |
112 | struct { /* list_option info */ | |
113 | int nr; | |
114 | struct atl1e_opt_list { int i; char *str; } *p; | |
115 | } l; | |
116 | } arg; | |
117 | }; | |
118 | ||
119 | static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, struct pci_dev *pdev) | |
120 | { | |
121 | if (*value == OPTION_UNSET) { | |
122 | *value = opt->def; | |
123 | return 0; | |
124 | } | |
125 | ||
126 | switch (opt->type) { | |
127 | case enable_option: | |
128 | switch (*value) { | |
129 | case OPTION_ENABLED: | |
130 | dev_info(&pdev->dev, "%s Enabled\n", opt->name); | |
131 | return 0; | |
132 | case OPTION_DISABLED: | |
133 | dev_info(&pdev->dev, "%s Disabled\n", opt->name); | |
134 | return 0; | |
135 | } | |
136 | break; | |
137 | case range_option: | |
138 | if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { | |
139 | dev_info(&pdev->dev, "%s set to %i\n", opt->name, *value); | |
140 | return 0; | |
141 | } | |
142 | break; | |
143 | case list_option:{ | |
144 | int i; | |
145 | struct atl1e_opt_list *ent; | |
146 | ||
147 | for (i = 0; i < opt->arg.l.nr; i++) { | |
148 | ent = &opt->arg.l.p[i]; | |
149 | if (*value == ent->i) { | |
150 | if (ent->str[0] != '\0') | |
151 | dev_info(&pdev->dev, "%s\n", | |
152 | ent->str); | |
153 | return 0; | |
154 | } | |
155 | } | |
156 | break; | |
157 | } | |
158 | default: | |
159 | BUG(); | |
160 | } | |
161 | ||
162 | dev_info(&pdev->dev, "Invalid %s specified (%i) %s\n", | |
163 | opt->name, *value, opt->err); | |
164 | *value = opt->def; | |
165 | return -1; | |
166 | } | |
167 | ||
168 | /* | |
169 | * atl1e_check_options - Range Checking for Command Line Parameters | |
170 | * @adapter: board private structure | |
171 | * | |
172 | * This routine checks all command line parameters for valid user | |
173 | * input. If an invalid value is given, or if no user specified | |
174 | * value exists, a default value is used. The final value is stored | |
175 | * in a variable in the adapter structure. | |
176 | */ | |
177 | void __devinit atl1e_check_options(struct atl1e_adapter *adapter) | |
178 | { | |
179 | struct pci_dev *pdev = adapter->pdev; | |
180 | int bd = adapter->bd_number; | |
181 | if (bd >= ATL1E_MAX_NIC) { | |
182 | dev_notice(&pdev->dev, "no configuration for board #%i\n", bd); | |
183 | dev_notice(&pdev->dev, "Using defaults for all values\n"); | |
184 | } | |
185 | ||
186 | { /* Transmit Ring Size */ | |
187 | struct atl1e_option opt = { | |
188 | .type = range_option, | |
189 | .name = "Transmit Ddescription Count", | |
190 | .err = "using default of " | |
191 | __MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT), | |
192 | .def = ATL1E_DEFAULT_TX_DESC_CNT, | |
193 | .arg = { .r = { .min = ATL1E_MIN_TX_DESC_CNT, | |
194 | .max = ATL1E_MAX_TX_DESC_CNT} } | |
195 | }; | |
196 | int val; | |
197 | if (num_tx_desc_cnt > bd) { | |
198 | val = tx_desc_cnt[bd]; | |
199 | atl1e_validate_option(&val, &opt, pdev); | |
200 | adapter->tx_ring.count = (u16) val & 0xFFFC; | |
201 | } else | |
202 | adapter->tx_ring.count = (u16)opt.def; | |
203 | } | |
204 | ||
205 | { /* Receive Memory Block Count */ | |
206 | struct atl1e_option opt = { | |
207 | .type = range_option, | |
208 | .name = "Memory size of rx buffer(KB)", | |
209 | .err = "using default of " | |
210 | __MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE), | |
211 | .def = ATL1E_DEFAULT_RX_MEM_SIZE, | |
212 | .arg = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE, | |
213 | .max = ATL1E_MAX_RX_MEM_SIZE} } | |
214 | }; | |
215 | int val; | |
216 | if (num_rx_mem_size > bd) { | |
217 | val = rx_mem_size[bd]; | |
218 | atl1e_validate_option(&val, &opt, pdev); | |
219 | adapter->rx_ring.page_size = (u32)val * 1024; | |
220 | } else { | |
221 | adapter->rx_ring.page_size = (u32)opt.def * 1024; | |
222 | } | |
223 | } | |
224 | ||
225 | { /* Interrupt Moderate Timer */ | |
226 | struct atl1e_option opt = { | |
227 | .type = range_option, | |
228 | .name = "Interrupt Moderate Timer", | |
229 | .err = "using default of " | |
230 | __MODULE_STRING(INT_MOD_DEFAULT_CNT), | |
231 | .def = INT_MOD_DEFAULT_CNT, | |
232 | .arg = { .r = { .min = INT_MOD_MIN_CNT, | |
233 | .max = INT_MOD_MAX_CNT} } | |
234 | } ; | |
235 | int val; | |
236 | if (num_int_mod_timer > bd) { | |
237 | val = int_mod_timer[bd]; | |
238 | atl1e_validate_option(&val, &opt, pdev); | |
239 | adapter->hw.imt = (u16) val; | |
240 | } else | |
241 | adapter->hw.imt = (u16)(opt.def); | |
242 | } | |
243 | ||
244 | { /* MediaType */ | |
245 | struct atl1e_option opt = { | |
246 | .type = range_option, | |
247 | .name = "Speed/Duplex Selection", | |
248 | .err = "using default of " | |
249 | __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR), | |
250 | .def = MEDIA_TYPE_AUTO_SENSOR, | |
251 | .arg = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR, | |
252 | .max = MEDIA_TYPE_10M_HALF} } | |
253 | } ; | |
254 | int val; | |
255 | if (num_media_type > bd) { | |
256 | val = media_type[bd]; | |
257 | atl1e_validate_option(&val, &opt, pdev); | |
258 | adapter->hw.media_type = (u16) val; | |
259 | } else | |
260 | adapter->hw.media_type = (u16)(opt.def); | |
261 | ||
262 | } | |
263 | } |