This source file includes following definitions.
- e1000_init_mac_params_vf
- e1000_init_function_pointers_vf
- e1000_get_link_up_info_vf
- e1000_reset_hw_vf
- e1000_init_hw_vf
- e1000_hash_mc_addr_vf
- e1000_update_mc_addr_list_vf
- e1000_set_vfta_vf
- e1000_rlpml_set_vf
- e1000_rar_set_vf
- e1000_read_mac_addr_vf
- e1000_set_uc_addr_vf
- e1000_check_for_link_vf
1
2
3
4 #include "vf.h"
5
6 static s32 e1000_check_for_link_vf(struct e1000_hw *hw);
7 static s32 e1000_get_link_up_info_vf(struct e1000_hw *hw, u16 *speed,
8 u16 *duplex);
9 static s32 e1000_init_hw_vf(struct e1000_hw *hw);
10 static s32 e1000_reset_hw_vf(struct e1000_hw *hw);
11
12 static void e1000_update_mc_addr_list_vf(struct e1000_hw *hw, u8 *,
13 u32, u32, u32);
14 static void e1000_rar_set_vf(struct e1000_hw *, u8 *, u32);
15 static s32 e1000_read_mac_addr_vf(struct e1000_hw *);
16 static s32 e1000_set_uc_addr_vf(struct e1000_hw *hw, u32 subcmd, u8 *addr);
17 static s32 e1000_set_vfta_vf(struct e1000_hw *, u16, bool);
18
19
20
21
22
23 static s32 e1000_init_mac_params_vf(struct e1000_hw *hw)
24 {
25 struct e1000_mac_info *mac = &hw->mac;
26
27
28 mac->mta_reg_count = 128;
29
30 mac->rar_entry_count = 1;
31
32
33
34 mac->ops.reset_hw = e1000_reset_hw_vf;
35
36 mac->ops.init_hw = e1000_init_hw_vf;
37
38 mac->ops.check_for_link = e1000_check_for_link_vf;
39
40 mac->ops.get_link_up_info = e1000_get_link_up_info_vf;
41
42 mac->ops.update_mc_addr_list = e1000_update_mc_addr_list_vf;
43
44 mac->ops.rar_set = e1000_rar_set_vf;
45
46 mac->ops.read_mac_addr = e1000_read_mac_addr_vf;
47
48 mac->ops.set_uc_addr = e1000_set_uc_addr_vf;
49
50 mac->ops.set_vfta = e1000_set_vfta_vf;
51
52 return E1000_SUCCESS;
53 }
54
55
56
57
58
59 void e1000_init_function_pointers_vf(struct e1000_hw *hw)
60 {
61 hw->mac.ops.init_params = e1000_init_mac_params_vf;
62 hw->mbx.ops.init_params = e1000_init_mbx_params_vf;
63 }
64
65
66
67
68
69
70
71
72
73
74 static s32 e1000_get_link_up_info_vf(struct e1000_hw *hw, u16 *speed,
75 u16 *duplex)
76 {
77 s32 status;
78
79 status = er32(STATUS);
80 if (status & E1000_STATUS_SPEED_1000)
81 *speed = SPEED_1000;
82 else if (status & E1000_STATUS_SPEED_100)
83 *speed = SPEED_100;
84 else
85 *speed = SPEED_10;
86
87 if (status & E1000_STATUS_FD)
88 *duplex = FULL_DUPLEX;
89 else
90 *duplex = HALF_DUPLEX;
91
92 return E1000_SUCCESS;
93 }
94
95
96
97
98
99
100
101
102 static s32 e1000_reset_hw_vf(struct e1000_hw *hw)
103 {
104 struct e1000_mbx_info *mbx = &hw->mbx;
105 u32 timeout = E1000_VF_INIT_TIMEOUT;
106 u32 ret_val = -E1000_ERR_MAC_INIT;
107 u32 msgbuf[3];
108 u8 *addr = (u8 *)(&msgbuf[1]);
109 u32 ctrl;
110
111
112 ctrl = er32(CTRL);
113 ew32(CTRL, ctrl | E1000_CTRL_RST);
114
115
116 while (!mbx->ops.check_for_rst(hw) && timeout) {
117 timeout--;
118 udelay(5);
119 }
120
121 if (timeout) {
122
123 mbx->timeout = E1000_VF_MBX_INIT_TIMEOUT;
124
125
126 msgbuf[0] = E1000_VF_RESET;
127 mbx->ops.write_posted(hw, msgbuf, 1);
128
129 mdelay(10);
130
131
132 ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
133 if (!ret_val) {
134 if (msgbuf[0] == (E1000_VF_RESET |
135 E1000_VT_MSGTYPE_ACK))
136 memcpy(hw->mac.perm_addr, addr, ETH_ALEN);
137 else
138 ret_val = -E1000_ERR_MAC_INIT;
139 }
140 }
141
142 return ret_val;
143 }
144
145
146
147
148
149
150
151 static s32 e1000_init_hw_vf(struct e1000_hw *hw)
152 {
153
154 e1000_rar_set_vf(hw, hw->mac.addr, 0);
155
156 return E1000_SUCCESS;
157 }
158
159
160
161
162
163
164
165
166
167
168 static u32 e1000_hash_mc_addr_vf(struct e1000_hw *hw, u8 *mc_addr)
169 {
170 u32 hash_value, hash_mask;
171 u8 bit_shift = 0;
172
173
174 hash_mask = (hw->mac.mta_reg_count * 32) - 1;
175
176
177
178
179 while (hash_mask >> bit_shift != 0xFF)
180 bit_shift++;
181
182 hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) |
183 (((u16)mc_addr[5]) << bit_shift)));
184
185 return hash_value;
186 }
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201 static void e1000_update_mc_addr_list_vf(struct e1000_hw *hw,
202 u8 *mc_addr_list, u32 mc_addr_count,
203 u32 rar_used_count, u32 rar_count)
204 {
205 struct e1000_mbx_info *mbx = &hw->mbx;
206 u32 msgbuf[E1000_VFMAILBOX_SIZE];
207 u16 *hash_list = (u16 *)&msgbuf[1];
208 u32 hash_value;
209 u32 cnt, i;
210 s32 ret_val;
211
212
213
214
215
216
217
218
219
220
221 cnt = (mc_addr_count > 30) ? 30 : mc_addr_count;
222 msgbuf[0] = E1000_VF_SET_MULTICAST;
223 msgbuf[0] |= cnt << E1000_VT_MSGINFO_SHIFT;
224
225 for (i = 0; i < cnt; i++) {
226 hash_value = e1000_hash_mc_addr_vf(hw, mc_addr_list);
227 hash_list[i] = hash_value & 0x0FFFF;
228 mc_addr_list += ETH_ALEN;
229 }
230
231 ret_val = mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE);
232 if (!ret_val)
233 mbx->ops.read_posted(hw, msgbuf, 1);
234 }
235
236
237
238
239
240
241
242 static s32 e1000_set_vfta_vf(struct e1000_hw *hw, u16 vid, bool set)
243 {
244 struct e1000_mbx_info *mbx = &hw->mbx;
245 u32 msgbuf[2];
246 s32 err;
247
248 msgbuf[0] = E1000_VF_SET_VLAN;
249 msgbuf[1] = vid;
250
251 if (set)
252 msgbuf[0] |= BIT(E1000_VT_MSGINFO_SHIFT);
253
254 mbx->ops.write_posted(hw, msgbuf, 2);
255
256 err = mbx->ops.read_posted(hw, msgbuf, 2);
257
258 msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
259
260
261 if (!err && (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK)))
262 err = -E1000_ERR_MAC_INIT;
263
264 return err;
265 }
266
267
268
269
270
271
272 void e1000_rlpml_set_vf(struct e1000_hw *hw, u16 max_size)
273 {
274 struct e1000_mbx_info *mbx = &hw->mbx;
275 u32 msgbuf[2];
276 s32 ret_val;
277
278 msgbuf[0] = E1000_VF_SET_LPE;
279 msgbuf[1] = max_size;
280
281 ret_val = mbx->ops.write_posted(hw, msgbuf, 2);
282 if (!ret_val)
283 mbx->ops.read_posted(hw, msgbuf, 1);
284 }
285
286
287
288
289
290
291
292 static void e1000_rar_set_vf(struct e1000_hw *hw, u8 *addr, u32 index)
293 {
294 struct e1000_mbx_info *mbx = &hw->mbx;
295 u32 msgbuf[3];
296 u8 *msg_addr = (u8 *)(&msgbuf[1]);
297 s32 ret_val;
298
299 memset(msgbuf, 0, 12);
300 msgbuf[0] = E1000_VF_SET_MAC_ADDR;
301 memcpy(msg_addr, addr, ETH_ALEN);
302 ret_val = mbx->ops.write_posted(hw, msgbuf, 3);
303
304 if (!ret_val)
305 ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
306
307 msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
308
309
310 if (!ret_val &&
311 (msgbuf[0] == (E1000_VF_SET_MAC_ADDR | E1000_VT_MSGTYPE_NACK)))
312 e1000_read_mac_addr_vf(hw);
313 }
314
315
316
317
318
319 static s32 e1000_read_mac_addr_vf(struct e1000_hw *hw)
320 {
321 memcpy(hw->mac.addr, hw->mac.perm_addr, ETH_ALEN);
322
323 return E1000_SUCCESS;
324 }
325
326
327
328
329
330
331
332 static s32 e1000_set_uc_addr_vf(struct e1000_hw *hw, u32 sub_cmd, u8 *addr)
333 {
334 struct e1000_mbx_info *mbx = &hw->mbx;
335 u32 msgbuf[3], msgbuf_chk;
336 u8 *msg_addr = (u8 *)(&msgbuf[1]);
337 s32 ret_val;
338
339 memset(msgbuf, 0, sizeof(msgbuf));
340 msgbuf[0] |= sub_cmd;
341 msgbuf[0] |= E1000_VF_SET_MAC_ADDR;
342 msgbuf_chk = msgbuf[0];
343
344 if (addr)
345 memcpy(msg_addr, addr, ETH_ALEN);
346
347 ret_val = mbx->ops.write_posted(hw, msgbuf, 3);
348
349 if (!ret_val)
350 ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
351
352 msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
353
354 if (!ret_val) {
355 msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
356
357 if (msgbuf[0] == (msgbuf_chk | E1000_VT_MSGTYPE_NACK))
358 return -ENOSPC;
359 }
360
361 return ret_val;
362 }
363
364
365
366
367
368
369
370
371
372 static s32 e1000_check_for_link_vf(struct e1000_hw *hw)
373 {
374 struct e1000_mbx_info *mbx = &hw->mbx;
375 struct e1000_mac_info *mac = &hw->mac;
376 s32 ret_val = E1000_SUCCESS;
377 u32 in_msg = 0;
378
379
380
381
382
383
384
385 if (!mbx->ops.check_for_rst(hw) || !mbx->timeout)
386 mac->get_link_status = true;
387
388 if (!mac->get_link_status)
389 goto out;
390
391
392 if (!(er32(STATUS) & E1000_STATUS_LU))
393 goto out;
394
395
396
397
398 if (mbx->ops.read(hw, &in_msg, 1))
399 goto out;
400
401
402 if (!(in_msg & E1000_VT_MSGTYPE_CTS)) {
403
404 if (in_msg & E1000_VT_MSGTYPE_NACK)
405 ret_val = -E1000_ERR_MAC_INIT;
406 goto out;
407 }
408
409
410 if (!mbx->timeout) {
411 ret_val = -E1000_ERR_MAC_INIT;
412 goto out;
413 }
414
415
416
417
418 mac->get_link_status = false;
419
420 out:
421 return ret_val;
422 }
423