1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Huawei HiNIC PCI Express Linux driver
3 * Copyright(c) 2017 Huawei Technologies Co., Ltd
4 */
5
6 #include <linux/pci.h>
7 #include <linux/if_vlan.h>
8 #include <linux/interrupt.h>
9 #include <linux/etherdevice.h>
10 #include <linux/netdevice.h>
11 #include <linux/module.h>
12
13 #include "hinic_hw_dev.h"
14 #include "hinic_dev.h"
15 #include "hinic_hw_mbox.h"
16 #include "hinic_hw_cmdq.h"
17 #include "hinic_port.h"
18 #include "hinic_sriov.h"
19
20 static unsigned char set_vf_link_state;
21 module_param(set_vf_link_state, byte, 0444);
22 MODULE_PARM_DESC(set_vf_link_state, "Set vf link state, 0 represents link auto, 1 represents link always up, 2 represents link always down. - default is 0.");
23
24 #define HINIC_VLAN_PRIORITY_SHIFT 13
25 #define HINIC_ADD_VLAN_IN_MAC 0x8000
26 #define HINIC_TX_RATE_TABLE_FULL 12
27 #define HINIC_MAX_QOS 7
28
hinic_set_mac(struct hinic_hwdev * hwdev,const u8 * mac_addr,u16 vlan_id,u16 func_id)29 static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr,
30 u16 vlan_id, u16 func_id)
31 {
32 struct hinic_port_mac_cmd mac_info = {0};
33 u16 out_size = sizeof(mac_info);
34 int err;
35
36 mac_info.func_idx = func_id;
37 mac_info.vlan_id = vlan_id;
38 memcpy(mac_info.mac, mac_addr, ETH_ALEN);
39
40 err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_MAC, &mac_info,
41 sizeof(mac_info), &mac_info, &out_size);
42 if (err || out_size != sizeof(mac_info) ||
43 (mac_info.status && mac_info.status != HINIC_MGMT_STATUS_EXIST)) {
44 dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set MAC, err: %d, status: 0x%x, out size: 0x%x\n",
45 err, mac_info.status, out_size);
46 return -EIO;
47 }
48
49 return 0;
50 }
51
hinic_notify_vf_link_status(struct hinic_hwdev * hwdev,u16 vf_id,u8 link_status)52 static void hinic_notify_vf_link_status(struct hinic_hwdev *hwdev, u16 vf_id,
53 u8 link_status)
54 {
55 struct vf_data_storage *vf_infos = hwdev->func_to_io.vf_infos;
56 struct hinic_port_link_status link = {0};
57 u16 out_size = sizeof(link);
58 int err;
59
60 if (vf_infos[HW_VF_ID_TO_OS(vf_id)].registered) {
61 link.link = link_status;
62 link.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
63 err = hinic_mbox_to_vf(hwdev, HINIC_MOD_L2NIC,
64 vf_id, HINIC_PORT_CMD_LINK_STATUS_REPORT,
65 &link, sizeof(link),
66 &link, &out_size, 0);
67 if (err || !out_size || link.status)
68 dev_err(&hwdev->hwif->pdev->dev,
69 "Send link change event to VF %d failed, err: %d, status: 0x%x, out_size: 0x%x\n",
70 HW_VF_ID_TO_OS(vf_id), err,
71 link.status, out_size);
72 }
73 }
74
75 /* send link change event mbox msg to active vfs under the pf */
hinic_notify_all_vfs_link_changed(struct hinic_hwdev * hwdev,u8 link_status)76 void hinic_notify_all_vfs_link_changed(struct hinic_hwdev *hwdev,
77 u8 link_status)
78 {
79 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
80 u16 i;
81
82 nic_io->link_status = link_status;
83 for (i = 1; i <= nic_io->max_vfs; i++) {
84 if (!nic_io->vf_infos[HW_VF_ID_TO_OS(i)].link_forced)
85 hinic_notify_vf_link_status(hwdev, i, link_status);
86 }
87 }
88
hinic_vf_info_vlanprio(struct hinic_hwdev * hwdev,int vf_id)89 static u16 hinic_vf_info_vlanprio(struct hinic_hwdev *hwdev, int vf_id)
90 {
91 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
92 u16 pf_vlan, vlanprio;
93 u8 pf_qos;
94
95 pf_vlan = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan;
96 pf_qos = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos;
97 vlanprio = pf_vlan | pf_qos << HINIC_VLAN_PRIORITY_SHIFT;
98
99 return vlanprio;
100 }
101
hinic_set_vf_vlan(struct hinic_hwdev * hwdev,bool add,u16 vid,u8 qos,int vf_id)102 static int hinic_set_vf_vlan(struct hinic_hwdev *hwdev, bool add, u16 vid,
103 u8 qos, int vf_id)
104 {
105 struct hinic_vf_vlan_config vf_vlan = {0};
106 u16 out_size = sizeof(vf_vlan);
107 int err;
108 u8 cmd;
109
110 /* VLAN 0 is a special case, don't allow it to be removed */
111 if (!vid && !add)
112 return 0;
113
114 vf_vlan.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
115 vf_vlan.vlan_id = vid;
116 vf_vlan.qos = qos;
117
118 if (add)
119 cmd = HINIC_PORT_CMD_SET_VF_VLAN;
120 else
121 cmd = HINIC_PORT_CMD_CLR_VF_VLAN;
122
123 err = hinic_port_msg_cmd(hwdev, cmd, &vf_vlan,
124 sizeof(vf_vlan), &vf_vlan, &out_size);
125 if (err || !out_size || vf_vlan.status) {
126 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d vlan, err: %d, status: 0x%x, out size: 0x%x\n",
127 HW_VF_ID_TO_OS(vf_id), err, vf_vlan.status, out_size);
128 return -EFAULT;
129 }
130
131 return 0;
132 }
133
hinic_set_vf_tx_rate_max_min(struct hinic_hwdev * hwdev,u16 vf_id,u32 max_rate,u32 min_rate)134 static int hinic_set_vf_tx_rate_max_min(struct hinic_hwdev *hwdev, u16 vf_id,
135 u32 max_rate, u32 min_rate)
136 {
137 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
138 struct hinic_tx_rate_cfg_max_min rate_cfg = {0};
139 u16 out_size = sizeof(rate_cfg);
140 int err;
141
142 rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
143 rate_cfg.max_rate = max_rate;
144 rate_cfg.min_rate = min_rate;
145 err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE,
146 &rate_cfg, sizeof(rate_cfg), &rate_cfg,
147 &out_size);
148 if ((rate_cfg.status != HINIC_MGMT_CMD_UNSUPPORTED &&
149 rate_cfg.status) || err || !out_size) {
150 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) max rate(%d), min rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
151 HW_VF_ID_TO_OS(vf_id), max_rate, min_rate, err,
152 rate_cfg.status, out_size);
153 return -EIO;
154 }
155
156 if (!rate_cfg.status) {
157 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = max_rate;
158 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = min_rate;
159 }
160
161 return rate_cfg.status;
162 }
163
hinic_set_vf_rate_limit(struct hinic_hwdev * hwdev,u16 vf_id,u32 tx_rate)164 static int hinic_set_vf_rate_limit(struct hinic_hwdev *hwdev, u16 vf_id,
165 u32 tx_rate)
166 {
167 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
168 struct hinic_tx_rate_cfg rate_cfg = {0};
169 u16 out_size = sizeof(rate_cfg);
170 int err;
171
172 rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
173 rate_cfg.tx_rate = tx_rate;
174 err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_RATE,
175 &rate_cfg, sizeof(rate_cfg), &rate_cfg,
176 &out_size);
177 if (err || !out_size || rate_cfg.status) {
178 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
179 HW_VF_ID_TO_OS(vf_id), tx_rate, err, rate_cfg.status,
180 out_size);
181 if (rate_cfg.status)
182 return rate_cfg.status;
183
184 return -EIO;
185 }
186
187 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = tx_rate;
188 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = 0;
189
190 return 0;
191 }
192
hinic_set_vf_tx_rate(struct hinic_hwdev * hwdev,u16 vf_id,u32 max_rate,u32 min_rate)193 static int hinic_set_vf_tx_rate(struct hinic_hwdev *hwdev, u16 vf_id,
194 u32 max_rate, u32 min_rate)
195 {
196 int err;
197
198 err = hinic_set_vf_tx_rate_max_min(hwdev, vf_id, max_rate, min_rate);
199 if (err != HINIC_MGMT_CMD_UNSUPPORTED)
200 return err;
201
202 if (min_rate) {
203 dev_err(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate\n");
204 return -EOPNOTSUPP;
205 }
206
207 dev_info(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate, force min_tx_rate = max_tx_rate\n");
208
209 return hinic_set_vf_rate_limit(hwdev, vf_id, max_rate);
210 }
211
hinic_init_vf_config(struct hinic_hwdev * hwdev,u16 vf_id)212 static int hinic_init_vf_config(struct hinic_hwdev *hwdev, u16 vf_id)
213 {
214 struct vf_data_storage *vf_info;
215 u16 func_id, vlan_id;
216 int err = 0;
217
218 vf_info = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
219 if (vf_info->pf_set_mac) {
220 func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
221
222 vlan_id = 0;
223
224 err = hinic_set_mac(hwdev, vf_info->vf_mac_addr, vlan_id,
225 func_id);
226 if (err) {
227 dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set VF %d MAC\n",
228 HW_VF_ID_TO_OS(vf_id));
229 return err;
230 }
231 }
232
233 if (hinic_vf_info_vlanprio(hwdev, vf_id)) {
234 err = hinic_set_vf_vlan(hwdev, true, vf_info->pf_vlan,
235 vf_info->pf_qos, vf_id);
236 if (err) {
237 dev_err(&hwdev->hwif->pdev->dev, "Failed to add VF %d VLAN_QOS\n",
238 HW_VF_ID_TO_OS(vf_id));
239 return err;
240 }
241 }
242
243 if (vf_info->max_rate) {
244 err = hinic_set_vf_tx_rate(hwdev, vf_id, vf_info->max_rate,
245 vf_info->min_rate);
246 if (err) {
247 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d max rate: %d, min rate: %d\n",
248 HW_VF_ID_TO_OS(vf_id), vf_info->max_rate,
249 vf_info->min_rate);
250 return err;
251 }
252 }
253
254 return 0;
255 }
256
hinic_register_vf_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)257 static int hinic_register_vf_msg_handler(void *hwdev, u16 vf_id,
258 void *buf_in, u16 in_size,
259 void *buf_out, u16 *out_size)
260 {
261 struct hinic_register_vf *register_info = buf_out;
262 struct hinic_hwdev *hw_dev = hwdev;
263 struct hinic_func_to_io *nic_io;
264 int err;
265
266 nic_io = &hw_dev->func_to_io;
267 if (vf_id > nic_io->max_vfs) {
268 dev_err(&hw_dev->hwif->pdev->dev, "Register VF id %d exceed limit[0-%d]\n",
269 HW_VF_ID_TO_OS(vf_id), HW_VF_ID_TO_OS(nic_io->max_vfs));
270 register_info->status = EFAULT;
271 return -EFAULT;
272 }
273
274 *out_size = sizeof(*register_info);
275 err = hinic_init_vf_config(hw_dev, vf_id);
276 if (err) {
277 register_info->status = EFAULT;
278 return err;
279 }
280
281 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = true;
282
283 return 0;
284 }
285
hinic_unregister_vf_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)286 static int hinic_unregister_vf_msg_handler(void *hwdev, u16 vf_id,
287 void *buf_in, u16 in_size,
288 void *buf_out, u16 *out_size)
289 {
290 struct hinic_hwdev *hw_dev = hwdev;
291 struct hinic_func_to_io *nic_io;
292
293 nic_io = &hw_dev->func_to_io;
294 *out_size = 0;
295 if (vf_id > nic_io->max_vfs)
296 return 0;
297
298 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = false;
299
300 return 0;
301 }
302
hinic_change_vf_mtu_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)303 static int hinic_change_vf_mtu_msg_handler(void *hwdev, u16 vf_id,
304 void *buf_in, u16 in_size,
305 void *buf_out, u16 *out_size)
306 {
307 struct hinic_hwdev *hw_dev = hwdev;
308 int err;
309
310 err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU, buf_in,
311 in_size, buf_out, out_size);
312 if (err) {
313 dev_err(&hw_dev->hwif->pdev->dev, "Failed to set VF %u mtu\n",
314 vf_id);
315 return err;
316 }
317
318 return 0;
319 }
320
hinic_get_vf_mac_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)321 static int hinic_get_vf_mac_msg_handler(void *hwdev, u16 vf_id,
322 void *buf_in, u16 in_size,
323 void *buf_out, u16 *out_size)
324 {
325 struct hinic_port_mac_cmd *mac_info = buf_out;
326 struct hinic_hwdev *dev = hwdev;
327 struct hinic_func_to_io *nic_io;
328 struct vf_data_storage *vf_info;
329
330 nic_io = &dev->func_to_io;
331 vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
332
333 memcpy(mac_info->mac, vf_info->vf_mac_addr, ETH_ALEN);
334 mac_info->status = 0;
335 *out_size = sizeof(*mac_info);
336
337 return 0;
338 }
339
hinic_set_vf_mac_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)340 static int hinic_set_vf_mac_msg_handler(void *hwdev, u16 vf_id,
341 void *buf_in, u16 in_size,
342 void *buf_out, u16 *out_size)
343 {
344 struct hinic_port_mac_cmd *mac_out = buf_out;
345 struct hinic_port_mac_cmd *mac_in = buf_in;
346 struct hinic_hwdev *hw_dev = hwdev;
347 struct hinic_func_to_io *nic_io;
348 struct vf_data_storage *vf_info;
349 int err;
350
351 nic_io = &hw_dev->func_to_io;
352 vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
353 if (vf_info->pf_set_mac && !(vf_info->trust) &&
354 is_valid_ether_addr(mac_in->mac)) {
355 dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF %d MAC address\n",
356 HW_VF_ID_TO_OS(vf_id));
357 mac_out->status = HINIC_PF_SET_VF_ALREADY;
358 *out_size = sizeof(*mac_out);
359 return 0;
360 }
361
362 err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_SET_MAC, buf_in,
363 in_size, buf_out, out_size);
364 if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
365 dev_err(&hw_dev->hwif->pdev->dev,
366 "Failed to set VF %d MAC address, err: %d, status: 0x%x, out size: 0x%x\n",
367 HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
368 return -EFAULT;
369 }
370
371 return err;
372 }
373
hinic_del_vf_mac_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)374 static int hinic_del_vf_mac_msg_handler(void *hwdev, u16 vf_id,
375 void *buf_in, u16 in_size,
376 void *buf_out, u16 *out_size)
377 {
378 struct hinic_port_mac_cmd *mac_out = buf_out;
379 struct hinic_port_mac_cmd *mac_in = buf_in;
380 struct hinic_hwdev *hw_dev = hwdev;
381 struct hinic_func_to_io *nic_io;
382 struct vf_data_storage *vf_info;
383 int err;
384
385 nic_io = &hw_dev->func_to_io;
386 vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
387 if (vf_info->pf_set_mac && is_valid_ether_addr(mac_in->mac) &&
388 !memcmp(vf_info->vf_mac_addr, mac_in->mac, ETH_ALEN)) {
389 dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF mac.\n");
390 mac_out->status = HINIC_PF_SET_VF_ALREADY;
391 *out_size = sizeof(*mac_out);
392 return 0;
393 }
394
395 err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_DEL_MAC, buf_in,
396 in_size, buf_out, out_size);
397 if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
398 dev_err(&hw_dev->hwif->pdev->dev, "Failed to delete VF %d MAC, err: %d, status: 0x%x, out size: 0x%x\n",
399 HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
400 return -EFAULT;
401 }
402
403 return err;
404 }
405
hinic_get_vf_link_status_msg_handler(void * hwdev,u16 vf_id,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)406 static int hinic_get_vf_link_status_msg_handler(void *hwdev, u16 vf_id,
407 void *buf_in, u16 in_size,
408 void *buf_out, u16 *out_size)
409 {
410 struct hinic_port_link_cmd *get_link = buf_out;
411 struct hinic_hwdev *hw_dev = hwdev;
412 struct vf_data_storage *vf_infos;
413 struct hinic_func_to_io *nic_io;
414 bool link_forced, link_up;
415
416 nic_io = &hw_dev->func_to_io;
417 vf_infos = nic_io->vf_infos;
418 link_forced = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced;
419 link_up = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up;
420
421 if (link_forced)
422 get_link->state = link_up ?
423 HINIC_LINK_STATE_UP : HINIC_LINK_STATE_DOWN;
424 else
425 get_link->state = nic_io->link_status;
426
427 get_link->status = 0;
428 *out_size = sizeof(*get_link);
429
430 return 0;
431 }
432
check_func_table(struct hinic_hwdev * hwdev,u16 func_idx,void * buf_in,u16 in_size)433 static bool check_func_table(struct hinic_hwdev *hwdev, u16 func_idx,
434 void *buf_in, u16 in_size)
435 {
436 struct hinic_cmd_fw_ctxt *function_table = buf_in;
437
438 if (!hinic_mbox_check_func_id_8B(hwdev, func_idx, buf_in, in_size) ||
439 !function_table->rx_buf_sz)
440 return false;
441
442 return true;
443 }
444
445 static struct vf_cmd_msg_handle nic_vf_cmd_msg_handler[] = {
446 {HINIC_PORT_CMD_VF_REGISTER, hinic_register_vf_msg_handler},
447 {HINIC_PORT_CMD_VF_UNREGISTER, hinic_unregister_vf_msg_handler},
448 {HINIC_PORT_CMD_CHANGE_MTU, hinic_change_vf_mtu_msg_handler},
449 {HINIC_PORT_CMD_GET_MAC, hinic_get_vf_mac_msg_handler},
450 {HINIC_PORT_CMD_SET_MAC, hinic_set_vf_mac_msg_handler},
451 {HINIC_PORT_CMD_DEL_MAC, hinic_del_vf_mac_msg_handler},
452 {HINIC_PORT_CMD_GET_LINK_STATE, hinic_get_vf_link_status_msg_handler},
453 };
454
455 static struct vf_cmd_check_handle nic_cmd_support_vf[] = {
456 {HINIC_PORT_CMD_VF_REGISTER, NULL},
457 {HINIC_PORT_CMD_VF_UNREGISTER, NULL},
458 {HINIC_PORT_CMD_CHANGE_MTU, hinic_mbox_check_func_id_8B},
459 {HINIC_PORT_CMD_ADD_VLAN, hinic_mbox_check_func_id_8B},
460 {HINIC_PORT_CMD_DEL_VLAN, hinic_mbox_check_func_id_8B},
461 {HINIC_PORT_CMD_SET_MAC, hinic_mbox_check_func_id_8B},
462 {HINIC_PORT_CMD_GET_MAC, hinic_mbox_check_func_id_8B},
463 {HINIC_PORT_CMD_DEL_MAC, hinic_mbox_check_func_id_8B},
464 {HINIC_PORT_CMD_SET_RX_MODE, hinic_mbox_check_func_id_8B},
465 {HINIC_PORT_CMD_GET_PAUSE_INFO, hinic_mbox_check_func_id_8B},
466 {HINIC_PORT_CMD_GET_LINK_STATE, hinic_mbox_check_func_id_8B},
467 {HINIC_PORT_CMD_SET_LRO, hinic_mbox_check_func_id_8B},
468 {HINIC_PORT_CMD_SET_RX_CSUM, hinic_mbox_check_func_id_8B},
469 {HINIC_PORT_CMD_SET_RX_VLAN_OFFLOAD, hinic_mbox_check_func_id_8B},
470 {HINIC_PORT_CMD_GET_VPORT_STAT, hinic_mbox_check_func_id_8B},
471 {HINIC_PORT_CMD_CLEAN_VPORT_STAT, hinic_mbox_check_func_id_8B},
472 {HINIC_PORT_CMD_GET_RSS_TEMPLATE_INDIR_TBL,
473 hinic_mbox_check_func_id_8B},
474 {HINIC_PORT_CMD_SET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B},
475 {HINIC_PORT_CMD_GET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B},
476 {HINIC_PORT_CMD_SET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B},
477 {HINIC_PORT_CMD_GET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B},
478 {HINIC_PORT_CMD_GET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B},
479 {HINIC_PORT_CMD_SET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B},
480 {HINIC_PORT_CMD_RSS_TEMP_MGR, hinic_mbox_check_func_id_8B},
481 {HINIC_PORT_CMD_RSS_CFG, hinic_mbox_check_func_id_8B},
482 {HINIC_PORT_CMD_FWCTXT_INIT, check_func_table},
483 {HINIC_PORT_CMD_GET_MGMT_VERSION, NULL},
484 {HINIC_PORT_CMD_SET_FUNC_STATE, hinic_mbox_check_func_id_8B},
485 {HINIC_PORT_CMD_GET_GLOBAL_QPN, hinic_mbox_check_func_id_8B},
486 {HINIC_PORT_CMD_SET_TSO, hinic_mbox_check_func_id_8B},
487 {HINIC_PORT_CMD_SET_RQ_IQ_MAP, hinic_mbox_check_func_id_8B},
488 {HINIC_PORT_CMD_LINK_STATUS_REPORT, hinic_mbox_check_func_id_8B},
489 {HINIC_PORT_CMD_UPDATE_MAC, hinic_mbox_check_func_id_8B},
490 {HINIC_PORT_CMD_GET_CAP, hinic_mbox_check_func_id_8B},
491 {HINIC_PORT_CMD_GET_LINK_MODE, hinic_mbox_check_func_id_8B},
492 {HINIC_PORT_CMD_GET_VF_COS, NULL},
493 {HINIC_PORT_CMD_SET_VHD_CFG, hinic_mbox_check_func_id_8B},
494 {HINIC_PORT_CMD_SET_VLAN_FILTER, hinic_mbox_check_func_id_8B},
495 {HINIC_PORT_CMD_Q_FILTER, hinic_mbox_check_func_id_8B},
496 {HINIC_PORT_CMD_TCAM_FILTER, NULL},
497 {HINIC_PORT_CMD_UP_TC_ADD_FLOW, NULL},
498 {HINIC_PORT_CMD_UP_TC_DEL_FLOW, NULL},
499 {HINIC_PORT_CMD_UP_TC_FLUSH_TCAM, hinic_mbox_check_func_id_8B},
500 {HINIC_PORT_CMD_UP_TC_CTRL_TCAM_BLOCK, hinic_mbox_check_func_id_8B},
501 {HINIC_PORT_CMD_UP_TC_ENABLE, hinic_mbox_check_func_id_8B},
502 {HINIC_PORT_CMD_CABLE_PLUG_EVENT, NULL},
503 {HINIC_PORT_CMD_LINK_ERR_EVENT, NULL},
504 {HINIC_PORT_CMD_SET_PORT_STATE, hinic_mbox_check_func_id_8B},
505 {HINIC_PORT_CMD_SET_ETS, NULL},
506 {HINIC_PORT_CMD_SET_ANTI_ATTACK_RATE, NULL},
507 {HINIC_PORT_CMD_RESET_LINK_CFG, hinic_mbox_check_func_id_8B},
508 {HINIC_PORT_CMD_SET_LINK_FOLLOW, NULL},
509 {HINIC_PORT_CMD_CLEAR_QP_RES, NULL},
510 };
511
512 #define CHECK_IPSU_15BIT 0X8000
513
514 static
hinic_get_sriov_info_by_pcidev(struct pci_dev * pdev)515 struct hinic_sriov_info *hinic_get_sriov_info_by_pcidev(struct pci_dev *pdev)
516 {
517 struct net_device *netdev = pci_get_drvdata(pdev);
518 struct hinic_dev *nic_dev = netdev_priv(netdev);
519
520 return &nic_dev->sriov_info;
521 }
522
hinic_check_mac_info(u8 status,u16 vlan_id)523 static int hinic_check_mac_info(u8 status, u16 vlan_id)
524 {
525 if ((status && status != HINIC_MGMT_STATUS_EXIST) ||
526 (vlan_id & CHECK_IPSU_15BIT &&
527 status == HINIC_MGMT_STATUS_EXIST))
528 return -EINVAL;
529
530 return 0;
531 }
532
533 #define HINIC_VLAN_ID_MASK 0x7FFF
534
hinic_update_mac(struct hinic_hwdev * hwdev,u8 * old_mac,u8 * new_mac,u16 vlan_id,u16 func_id)535 static int hinic_update_mac(struct hinic_hwdev *hwdev, u8 *old_mac,
536 u8 *new_mac, u16 vlan_id, u16 func_id)
537 {
538 struct hinic_port_mac_update mac_info = {0};
539 u16 out_size = sizeof(mac_info);
540 int err;
541
542 if (!hwdev || !old_mac || !new_mac)
543 return -EINVAL;
544
545 if ((vlan_id & HINIC_VLAN_ID_MASK) >= VLAN_N_VID) {
546 dev_err(&hwdev->hwif->pdev->dev, "Invalid VLAN number: %d\n",
547 (vlan_id & HINIC_VLAN_ID_MASK));
548 return -EINVAL;
549 }
550
551 mac_info.func_id = func_id;
552 mac_info.vlan_id = vlan_id;
553 memcpy(mac_info.old_mac, old_mac, ETH_ALEN);
554 memcpy(mac_info.new_mac, new_mac, ETH_ALEN);
555
556 err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_UPDATE_MAC, &mac_info,
557 sizeof(mac_info), &mac_info, &out_size);
558
559 if (err || !out_size ||
560 hinic_check_mac_info(mac_info.status, mac_info.vlan_id)) {
561 dev_err(&hwdev->hwif->pdev->dev,
562 "Failed to update MAC, err: %d, status: 0x%x, out size: 0x%x\n",
563 err, mac_info.status, out_size);
564 return -EINVAL;
565 }
566
567 if (mac_info.status == HINIC_MGMT_STATUS_EXIST)
568 dev_warn(&hwdev->hwif->pdev->dev, "MAC is repeated. Ignore update operation\n");
569
570 return 0;
571 }
572
hinic_get_vf_config(struct hinic_hwdev * hwdev,u16 vf_id,struct ifla_vf_info * ivi)573 static void hinic_get_vf_config(struct hinic_hwdev *hwdev, u16 vf_id,
574 struct ifla_vf_info *ivi)
575 {
576 struct vf_data_storage *vfinfo;
577
578 vfinfo = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
579
580 ivi->vf = HW_VF_ID_TO_OS(vf_id);
581 memcpy(ivi->mac, vfinfo->vf_mac_addr, ETH_ALEN);
582 ivi->vlan = vfinfo->pf_vlan;
583 ivi->qos = vfinfo->pf_qos;
584 ivi->spoofchk = vfinfo->spoofchk;
585 ivi->trusted = vfinfo->trust;
586 ivi->max_tx_rate = vfinfo->max_rate;
587 ivi->min_tx_rate = vfinfo->min_rate;
588
589 if (!vfinfo->link_forced)
590 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
591 else if (vfinfo->link_up)
592 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
593 else
594 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
595 }
596
hinic_ndo_get_vf_config(struct net_device * netdev,int vf,struct ifla_vf_info * ivi)597 int hinic_ndo_get_vf_config(struct net_device *netdev,
598 int vf, struct ifla_vf_info *ivi)
599 {
600 struct hinic_dev *nic_dev = netdev_priv(netdev);
601 struct hinic_sriov_info *sriov_info;
602
603 sriov_info = &nic_dev->sriov_info;
604 if (vf >= sriov_info->num_vfs)
605 return -EINVAL;
606
607 hinic_get_vf_config(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), ivi);
608
609 return 0;
610 }
611
hinic_set_vf_mac(struct hinic_hwdev * hwdev,int vf,unsigned char * mac_addr)612 static int hinic_set_vf_mac(struct hinic_hwdev *hwdev, int vf,
613 unsigned char *mac_addr)
614 {
615 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
616 struct vf_data_storage *vf_info;
617 u16 func_id;
618 int err;
619
620 vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf);
621
622 /* duplicate request, so just return success */
623 if (vf_info->pf_set_mac &&
624 !memcmp(vf_info->vf_mac_addr, mac_addr, ETH_ALEN))
625 return 0;
626
627 vf_info->pf_set_mac = true;
628
629 func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf;
630 err = hinic_update_mac(hwdev, vf_info->vf_mac_addr,
631 mac_addr, 0, func_id);
632 if (err) {
633 vf_info->pf_set_mac = false;
634 return err;
635 }
636
637 memcpy(vf_info->vf_mac_addr, mac_addr, ETH_ALEN);
638
639 return 0;
640 }
641
hinic_ndo_set_vf_mac(struct net_device * netdev,int vf,u8 * mac)642 int hinic_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
643 {
644 struct hinic_dev *nic_dev = netdev_priv(netdev);
645 struct hinic_sriov_info *sriov_info;
646 int err;
647
648 sriov_info = &nic_dev->sriov_info;
649 if (!is_valid_ether_addr(mac) || vf >= sriov_info->num_vfs)
650 return -EINVAL;
651
652 err = hinic_set_vf_mac(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), mac);
653 if (err)
654 return err;
655
656 netif_info(nic_dev, drv, netdev, "Setting MAC %pM on VF %d\n", mac, vf);
657 netif_info(nic_dev, drv, netdev, "Reload the VF driver to make this change effective.");
658
659 return 0;
660 }
661
hinic_add_vf_vlan(struct hinic_hwdev * hwdev,int vf_id,u16 vlan,u8 qos)662 static int hinic_add_vf_vlan(struct hinic_hwdev *hwdev, int vf_id,
663 u16 vlan, u8 qos)
664 {
665 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
666 int err;
667
668 err = hinic_set_vf_vlan(hwdev, true, vlan, qos, vf_id);
669 if (err)
670 return err;
671
672 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = vlan;
673 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = qos;
674
675 dev_info(&hwdev->hwif->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
676 vlan, qos, HW_VF_ID_TO_OS(vf_id));
677 return 0;
678 }
679
hinic_kill_vf_vlan(struct hinic_hwdev * hwdev,int vf_id)680 static int hinic_kill_vf_vlan(struct hinic_hwdev *hwdev, int vf_id)
681 {
682 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
683 int err;
684
685 err = hinic_set_vf_vlan(hwdev, false,
686 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
687 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos,
688 vf_id);
689 if (err)
690 return err;
691
692 dev_info(&hwdev->hwif->pdev->dev, "Remove VLAN %d on VF %d\n",
693 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
694 HW_VF_ID_TO_OS(vf_id));
695
696 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = 0;
697 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = 0;
698
699 return 0;
700 }
701
hinic_update_mac_vlan(struct hinic_dev * nic_dev,u16 old_vlan,u16 new_vlan,int vf_id)702 static int hinic_update_mac_vlan(struct hinic_dev *nic_dev, u16 old_vlan,
703 u16 new_vlan, int vf_id)
704 {
705 struct vf_data_storage *vf_info;
706 u16 vlan_id;
707 int err;
708
709 if (!nic_dev || old_vlan >= VLAN_N_VID || new_vlan >= VLAN_N_VID)
710 return -EINVAL;
711
712 vf_info = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
713 if (!vf_info->pf_set_mac)
714 return 0;
715
716 vlan_id = old_vlan;
717 if (vlan_id)
718 vlan_id |= HINIC_ADD_VLAN_IN_MAC;
719
720 err = hinic_port_del_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
721 if (err) {
722 dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to delete VF %d MAC %pM vlan %d\n",
723 HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, old_vlan);
724 return err;
725 }
726
727 vlan_id = new_vlan;
728 if (vlan_id)
729 vlan_id |= HINIC_ADD_VLAN_IN_MAC;
730
731 err = hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
732 if (err) {
733 dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to add VF %d MAC %pM vlan %d\n",
734 HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, new_vlan);
735 goto out;
736 }
737
738 return 0;
739
740 out:
741 vlan_id = old_vlan;
742 if (vlan_id)
743 vlan_id |= HINIC_ADD_VLAN_IN_MAC;
744 hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
745
746 return err;
747 }
748
set_hw_vf_vlan(struct hinic_dev * nic_dev,u16 cur_vlanprio,int vf,u16 vlan,u8 qos)749 static int set_hw_vf_vlan(struct hinic_dev *nic_dev,
750 u16 cur_vlanprio, int vf, u16 vlan, u8 qos)
751 {
752 u16 old_vlan = cur_vlanprio & VLAN_VID_MASK;
753 int err = 0;
754
755 if (vlan || qos) {
756 if (cur_vlanprio) {
757 err = hinic_kill_vf_vlan(nic_dev->hwdev,
758 OS_VF_ID_TO_HW(vf));
759 if (err) {
760 dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d old vlan %d\n",
761 vf, old_vlan);
762 goto out;
763 }
764 }
765 err = hinic_add_vf_vlan(nic_dev->hwdev,
766 OS_VF_ID_TO_HW(vf), vlan, qos);
767 if (err) {
768 dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to add vf %d new vlan %d\n",
769 vf, vlan);
770 goto out;
771 }
772 } else {
773 err = hinic_kill_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf));
774 if (err) {
775 dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d vlan %d\n",
776 vf, old_vlan);
777 goto out;
778 }
779 }
780
781 err = hinic_update_mac_vlan(nic_dev, old_vlan, vlan,
782 OS_VF_ID_TO_HW(vf));
783
784 out:
785 return err;
786 }
787
hinic_ndo_set_vf_vlan(struct net_device * netdev,int vf,u16 vlan,u8 qos,__be16 vlan_proto)788 int hinic_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
789 __be16 vlan_proto)
790 {
791 struct hinic_dev *nic_dev = netdev_priv(netdev);
792 struct hinic_sriov_info *sriov_info;
793 u16 vlanprio, cur_vlanprio;
794
795 sriov_info = &nic_dev->sriov_info;
796 if (vf >= sriov_info->num_vfs || vlan >= VLAN_N_VID || qos > HINIC_MAX_QOS)
797 return -EINVAL;
798 if (vlan_proto != htons(ETH_P_8021Q))
799 return -EPROTONOSUPPORT;
800 vlanprio = vlan | qos << HINIC_VLAN_PRIORITY_SHIFT;
801 cur_vlanprio = hinic_vf_info_vlanprio(nic_dev->hwdev,
802 OS_VF_ID_TO_HW(vf));
803 /* duplicate request, so just return success */
804 if (vlanprio == cur_vlanprio)
805 return 0;
806
807 return set_hw_vf_vlan(nic_dev, cur_vlanprio, vf, vlan, qos);
808 }
809
hinic_set_vf_trust(struct hinic_hwdev * hwdev,u16 vf_id,bool trust)810 static int hinic_set_vf_trust(struct hinic_hwdev *hwdev, u16 vf_id,
811 bool trust)
812 {
813 struct vf_data_storage *vf_infos;
814 struct hinic_func_to_io *nic_io;
815
816 if (!hwdev)
817 return -EINVAL;
818
819 nic_io = &hwdev->func_to_io;
820 vf_infos = nic_io->vf_infos;
821 vf_infos[vf_id].trust = trust;
822
823 return 0;
824 }
825
hinic_ndo_set_vf_trust(struct net_device * netdev,int vf,bool setting)826 int hinic_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
827 {
828 struct hinic_dev *adapter = netdev_priv(netdev);
829 struct hinic_sriov_info *sriov_info;
830 struct hinic_func_to_io *nic_io;
831 bool cur_trust;
832 int err;
833
834 sriov_info = &adapter->sriov_info;
835 nic_io = &adapter->hwdev->func_to_io;
836
837 if (vf >= sriov_info->num_vfs)
838 return -EINVAL;
839
840 cur_trust = nic_io->vf_infos[vf].trust;
841 /* same request, so just return success */
842 if (setting == cur_trust)
843 return 0;
844
845 err = hinic_set_vf_trust(adapter->hwdev, vf, setting);
846 if (!err)
847 dev_info(&sriov_info->pdev->dev, "Set VF %d trusted %s succeed\n",
848 vf, setting ? "on" : "off");
849 else
850 dev_err(&sriov_info->pdev->dev, "Failed set VF %d trusted %s\n",
851 vf, setting ? "on" : "off");
852
853 return err;
854 }
855
hinic_ndo_set_vf_bw(struct net_device * netdev,int vf,int min_tx_rate,int max_tx_rate)856 int hinic_ndo_set_vf_bw(struct net_device *netdev,
857 int vf, int min_tx_rate, int max_tx_rate)
858 {
859 static const u32 speeds[] = {
860 SPEED_10, SPEED_100, SPEED_1000, SPEED_10000,
861 SPEED_25000, SPEED_40000, SPEED_100000
862 };
863 struct hinic_dev *nic_dev = netdev_priv(netdev);
864 struct hinic_port_cap port_cap = { 0 };
865 enum hinic_port_link_state link_state;
866 int err;
867
868 if (vf >= nic_dev->sriov_info.num_vfs) {
869 netif_err(nic_dev, drv, netdev, "VF number must be less than %d\n",
870 nic_dev->sriov_info.num_vfs);
871 return -EINVAL;
872 }
873
874 err = hinic_port_link_state(nic_dev, &link_state);
875 if (err) {
876 netif_err(nic_dev, drv, netdev,
877 "Get link status failed when setting vf tx rate\n");
878 return -EIO;
879 }
880
881 if (link_state == HINIC_LINK_STATE_DOWN) {
882 netif_err(nic_dev, drv, netdev,
883 "Link status must be up when setting vf tx rate\n");
884 return -EPERM;
885 }
886
887 err = hinic_port_get_cap(nic_dev, &port_cap);
888 if (err || port_cap.speed > LINK_SPEED_100GB)
889 return -EIO;
890
891 /* rate limit cannot be less than 0 and greater than link speed */
892 if (max_tx_rate < 0 || max_tx_rate > speeds[port_cap.speed]) {
893 netif_err(nic_dev, drv, netdev, "Max tx rate must be in [0 - %d]\n",
894 speeds[port_cap.speed]);
895 return -EINVAL;
896 }
897
898 err = hinic_set_vf_tx_rate(nic_dev->hwdev, OS_VF_ID_TO_HW(vf),
899 max_tx_rate, min_tx_rate);
900 if (err) {
901 netif_err(nic_dev, drv, netdev,
902 "Unable to set VF %d max rate %d min rate %d%s\n",
903 vf, max_tx_rate, min_tx_rate,
904 err == HINIC_TX_RATE_TABLE_FULL ?
905 ", tx rate profile is full" : "");
906 return -EIO;
907 }
908
909 netif_info(nic_dev, drv, netdev,
910 "Set VF %d max tx rate %d min tx rate %d successfully\n",
911 vf, max_tx_rate, min_tx_rate);
912
913 return 0;
914 }
915
hinic_set_vf_spoofchk(struct hinic_hwdev * hwdev,u16 vf_id,bool spoofchk)916 static int hinic_set_vf_spoofchk(struct hinic_hwdev *hwdev, u16 vf_id,
917 bool spoofchk)
918 {
919 struct hinic_spoofchk_set spoofchk_cfg = {0};
920 struct vf_data_storage *vf_infos = NULL;
921 u16 out_size = sizeof(spoofchk_cfg);
922 int err;
923
924 if (!hwdev)
925 return -EINVAL;
926
927 vf_infos = hwdev->func_to_io.vf_infos;
928
929 spoofchk_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
930 spoofchk_cfg.state = spoofchk ? 1 : 0;
931 err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ENABLE_SPOOFCHK,
932 &spoofchk_cfg, sizeof(spoofchk_cfg),
933 &spoofchk_cfg, &out_size);
934 if (spoofchk_cfg.status == HINIC_MGMT_CMD_UNSUPPORTED) {
935 err = HINIC_MGMT_CMD_UNSUPPORTED;
936 } else if (err || !out_size || spoofchk_cfg.status) {
937 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) spoofchk, err: %d, status: 0x%x, out size: 0x%x\n",
938 HW_VF_ID_TO_OS(vf_id), err, spoofchk_cfg.status,
939 out_size);
940 err = -EIO;
941 }
942
943 vf_infos[HW_VF_ID_TO_OS(vf_id)].spoofchk = spoofchk;
944
945 return err;
946 }
947
hinic_ndo_set_vf_spoofchk(struct net_device * netdev,int vf,bool setting)948 int hinic_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
949 {
950 struct hinic_dev *nic_dev = netdev_priv(netdev);
951 struct hinic_sriov_info *sriov_info;
952 bool cur_spoofchk;
953 int err;
954
955 sriov_info = &nic_dev->sriov_info;
956 if (vf >= sriov_info->num_vfs)
957 return -EINVAL;
958
959 cur_spoofchk = nic_dev->hwdev->func_to_io.vf_infos[vf].spoofchk;
960
961 /* same request, so just return success */
962 if (setting == cur_spoofchk)
963 return 0;
964
965 err = hinic_set_vf_spoofchk(sriov_info->hwdev,
966 OS_VF_ID_TO_HW(vf), setting);
967 if (!err) {
968 netif_info(nic_dev, drv, netdev, "Set VF %d spoofchk %s successfully\n",
969 vf, setting ? "on" : "off");
970 } else if (err == HINIC_MGMT_CMD_UNSUPPORTED) {
971 netif_err(nic_dev, drv, netdev,
972 "Current firmware doesn't support to set vf spoofchk, need to upgrade latest firmware version\n");
973 err = -EOPNOTSUPP;
974 }
975
976 return err;
977 }
978
hinic_set_vf_link_state(struct hinic_hwdev * hwdev,u16 vf_id,int link)979 static int hinic_set_vf_link_state(struct hinic_hwdev *hwdev, u16 vf_id,
980 int link)
981 {
982 struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
983 struct vf_data_storage *vf_infos = nic_io->vf_infos;
984 u8 link_status = 0;
985
986 switch (link) {
987 case HINIC_IFLA_VF_LINK_STATE_AUTO:
988 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = false;
989 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = nic_io->link_status ?
990 true : false;
991 link_status = nic_io->link_status;
992 break;
993 case HINIC_IFLA_VF_LINK_STATE_ENABLE:
994 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
995 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = true;
996 link_status = HINIC_LINK_UP;
997 break;
998 case HINIC_IFLA_VF_LINK_STATE_DISABLE:
999 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
1000 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = false;
1001 link_status = HINIC_LINK_DOWN;
1002 break;
1003 default:
1004 return -EINVAL;
1005 }
1006
1007 /* Notify the VF of its new link state */
1008 hinic_notify_vf_link_status(hwdev, vf_id, link_status);
1009
1010 return 0;
1011 }
1012
hinic_ndo_set_vf_link_state(struct net_device * netdev,int vf_id,int link)1013 int hinic_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
1014 {
1015 struct hinic_dev *nic_dev = netdev_priv(netdev);
1016 struct hinic_sriov_info *sriov_info;
1017
1018 sriov_info = &nic_dev->sriov_info;
1019
1020 if (vf_id >= sriov_info->num_vfs) {
1021 netif_err(nic_dev, drv, netdev,
1022 "Invalid VF Identifier %d\n", vf_id);
1023 return -EINVAL;
1024 }
1025
1026 return hinic_set_vf_link_state(sriov_info->hwdev,
1027 OS_VF_ID_TO_HW(vf_id), link);
1028 }
1029
1030 /* pf receive message from vf */
nic_pf_mbox_handler(void * hwdev,u16 vf_id,u8 cmd,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)1031 static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
1032 u16 in_size, void *buf_out, u16 *out_size)
1033 {
1034 u8 size = ARRAY_SIZE(nic_cmd_support_vf);
1035 struct vf_cmd_msg_handle *vf_msg_handle;
1036 struct hinic_hwdev *dev = hwdev;
1037 struct hinic_func_to_io *nic_io;
1038 struct hinic_pfhwdev *pfhwdev;
1039 int err = 0;
1040 u32 i;
1041
1042 if (!hwdev)
1043 return -EINVAL;
1044
1045 if (!hinic_mbox_check_cmd_valid(hwdev, nic_cmd_support_vf, vf_id, cmd,
1046 buf_in, in_size, size)) {
1047 dev_err(&dev->hwif->pdev->dev,
1048 "PF Receive VF nic cmd: 0x%x, mbox len: 0x%x is invalid\n",
1049 cmd, in_size);
1050 return HINIC_MBOX_VF_CMD_ERROR;
1051 }
1052
1053 pfhwdev = container_of(dev, struct hinic_pfhwdev, hwdev);
1054 nic_io = &dev->func_to_io;
1055 for (i = 0; i < ARRAY_SIZE(nic_vf_cmd_msg_handler); i++) {
1056 vf_msg_handle = &nic_vf_cmd_msg_handler[i];
1057 if (cmd == vf_msg_handle->cmd &&
1058 vf_msg_handle->cmd_msg_handler) {
1059 err = vf_msg_handle->cmd_msg_handler(hwdev, vf_id,
1060 buf_in, in_size,
1061 buf_out,
1062 out_size);
1063 break;
1064 }
1065 }
1066 if (i == ARRAY_SIZE(nic_vf_cmd_msg_handler))
1067 err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
1068 cmd, buf_in, in_size, buf_out,
1069 out_size, HINIC_MGMT_MSG_SYNC);
1070
1071 if (err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
1072 dev_err(&nic_io->hwif->pdev->dev, "PF receive VF L2NIC cmd: %d process error, err:%d\n",
1073 cmd, err);
1074 return err;
1075 }
1076
cfg_mbx_pf_proc_vf_msg(void * hwdev,u16 vf_id,u8 cmd,void * buf_in,u16 in_size,void * buf_out,u16 * out_size)1077 static int cfg_mbx_pf_proc_vf_msg(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
1078 u16 in_size, void *buf_out, u16 *out_size)
1079 {
1080 struct hinic_dev_cap *dev_cap = buf_out;
1081 struct hinic_hwdev *dev = hwdev;
1082 struct hinic_cap *cap;
1083
1084 cap = &dev->nic_cap;
1085 memset(dev_cap, 0, sizeof(*dev_cap));
1086
1087 dev_cap->max_vf = cap->max_vf;
1088 dev_cap->max_sqs = cap->max_vf_qps;
1089 dev_cap->max_rqs = cap->max_vf_qps;
1090 dev_cap->port_id = dev->port_id;
1091
1092 *out_size = sizeof(*dev_cap);
1093
1094 return 0;
1095 }
1096
hinic_init_vf_infos(struct hinic_func_to_io * nic_io,u16 vf_id)1097 static int hinic_init_vf_infos(struct hinic_func_to_io *nic_io, u16 vf_id)
1098 {
1099 struct vf_data_storage *vf_infos = nic_io->vf_infos;
1100
1101 if (set_vf_link_state > HINIC_IFLA_VF_LINK_STATE_DISABLE) {
1102 dev_warn(&nic_io->hwif->pdev->dev, "Module Parameter set_vf_link_state value %d is out of range, resetting to %d\n",
1103 set_vf_link_state, HINIC_IFLA_VF_LINK_STATE_AUTO);
1104 set_vf_link_state = HINIC_IFLA_VF_LINK_STATE_AUTO;
1105 }
1106
1107 switch (set_vf_link_state) {
1108 case HINIC_IFLA_VF_LINK_STATE_AUTO:
1109 vf_infos[vf_id].link_forced = false;
1110 break;
1111 case HINIC_IFLA_VF_LINK_STATE_ENABLE:
1112 vf_infos[vf_id].link_forced = true;
1113 vf_infos[vf_id].link_up = true;
1114 break;
1115 case HINIC_IFLA_VF_LINK_STATE_DISABLE:
1116 vf_infos[vf_id].link_forced = true;
1117 vf_infos[vf_id].link_up = false;
1118 break;
1119 default:
1120 dev_err(&nic_io->hwif->pdev->dev, "Invalid input parameter set_vf_link_state: %d\n",
1121 set_vf_link_state);
1122 return -EINVAL;
1123 }
1124
1125 return 0;
1126 }
1127
hinic_clear_vf_infos(struct hinic_dev * nic_dev,u16 vf_id)1128 static void hinic_clear_vf_infos(struct hinic_dev *nic_dev, u16 vf_id)
1129 {
1130 struct vf_data_storage *vf_infos;
1131
1132 vf_infos = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
1133 if (vf_infos->pf_set_mac)
1134 hinic_port_del_mac(nic_dev, vf_infos->vf_mac_addr, 0);
1135
1136 if (hinic_vf_info_vlanprio(nic_dev->hwdev, vf_id))
1137 hinic_kill_vf_vlan(nic_dev->hwdev, vf_id);
1138
1139 if (vf_infos->max_rate)
1140 hinic_set_vf_tx_rate(nic_dev->hwdev, vf_id, 0, 0);
1141
1142 if (vf_infos->spoofchk)
1143 hinic_set_vf_spoofchk(nic_dev->hwdev, vf_id, false);
1144
1145 if (vf_infos->trust)
1146 hinic_set_vf_trust(nic_dev->hwdev, vf_id, false);
1147
1148 memset(vf_infos, 0, sizeof(*vf_infos));
1149 /* set vf_infos to default */
1150 hinic_init_vf_infos(&nic_dev->hwdev->func_to_io, HW_VF_ID_TO_OS(vf_id));
1151 }
1152
hinic_deinit_vf_hw(struct hinic_sriov_info * sriov_info,u16 start_vf_id,u16 end_vf_id)1153 static void hinic_deinit_vf_hw(struct hinic_sriov_info *sriov_info,
1154 u16 start_vf_id, u16 end_vf_id)
1155 {
1156 struct hinic_dev *nic_dev;
1157 u16 func_idx, idx;
1158
1159 nic_dev = container_of(sriov_info, struct hinic_dev, sriov_info);
1160
1161 for (idx = start_vf_id; idx <= end_vf_id; idx++) {
1162 func_idx = hinic_glb_pf_vf_offset(nic_dev->hwdev->hwif) + idx;
1163 hinic_set_wq_page_size(nic_dev->hwdev, func_idx,
1164 HINIC_HW_WQ_PAGE_SIZE);
1165 hinic_clear_vf_infos(nic_dev, idx);
1166 }
1167 }
1168
hinic_vf_func_init(struct hinic_hwdev * hwdev)1169 int hinic_vf_func_init(struct hinic_hwdev *hwdev)
1170 {
1171 struct hinic_register_vf register_info = {0};
1172 u16 out_size = sizeof(register_info);
1173 struct hinic_func_to_io *nic_io;
1174 int err = 0;
1175 u32 size, i;
1176
1177 err = hinic_vf_mbox_random_id_init(hwdev);
1178 if (err) {
1179 dev_err(&hwdev->hwif->pdev->dev, "Failed to init vf mbox random id, err: %d\n",
1180 err);
1181 return err;
1182 }
1183
1184 nic_io = &hwdev->func_to_io;
1185
1186 if (HINIC_IS_VF(hwdev->hwif)) {
1187 err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
1188 HINIC_PORT_CMD_VF_REGISTER,
1189 ®ister_info, sizeof(register_info),
1190 ®ister_info, &out_size, 0);
1191 if (err || register_info.status || !out_size) {
1192 dev_err(&hwdev->hwif->pdev->dev,
1193 "Failed to register VF, err: %d, status: 0x%x, out size: 0x%x\n",
1194 err, register_info.status, out_size);
1195 return -EIO;
1196 }
1197 } else {
1198 err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_CFGM,
1199 cfg_mbx_pf_proc_vf_msg);
1200 if (err) {
1201 dev_err(&hwdev->hwif->pdev->dev,
1202 "Register PF mailbox callback failed\n");
1203 return err;
1204 }
1205 nic_io->max_vfs = hwdev->nic_cap.max_vf;
1206 size = sizeof(*nic_io->vf_infos) * nic_io->max_vfs;
1207 if (size != 0) {
1208 nic_io->vf_infos = kzalloc(size, GFP_KERNEL);
1209 if (!nic_io->vf_infos) {
1210 err = -ENOMEM;
1211 goto out_free_nic_io;
1212 }
1213
1214 for (i = 0; i < nic_io->max_vfs; i++) {
1215 err = hinic_init_vf_infos(nic_io, i);
1216 if (err)
1217 goto err_init_vf_infos;
1218 }
1219
1220 err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC,
1221 nic_pf_mbox_handler);
1222 if (err)
1223 goto err_register_pf_mbox_cb;
1224 }
1225 }
1226
1227 return 0;
1228
1229 err_register_pf_mbox_cb:
1230 err_init_vf_infos:
1231 kfree(nic_io->vf_infos);
1232 out_free_nic_io:
1233 return err;
1234 }
1235
hinic_vf_func_free(struct hinic_hwdev * hwdev)1236 void hinic_vf_func_free(struct hinic_hwdev *hwdev)
1237 {
1238 struct hinic_register_vf unregister = {0};
1239 u16 out_size = sizeof(unregister);
1240 int err;
1241
1242 if (HINIC_IS_VF(hwdev->hwif)) {
1243 err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
1244 HINIC_PORT_CMD_VF_UNREGISTER,
1245 &unregister, sizeof(unregister),
1246 &unregister, &out_size, 0);
1247 if (err || !out_size || unregister.status)
1248 dev_err(&hwdev->hwif->pdev->dev, "Failed to unregister VF, err: %d, status: 0x%x, out_size: 0x%x\n",
1249 err, unregister.status, out_size);
1250 } else {
1251 if (hwdev->func_to_io.vf_infos) {
1252 hinic_unregister_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
1253 kfree(hwdev->func_to_io.vf_infos);
1254 }
1255 }
1256 }
1257
hinic_init_vf_hw(struct hinic_hwdev * hwdev,u16 start_vf_id,u16 end_vf_id)1258 static int hinic_init_vf_hw(struct hinic_hwdev *hwdev, u16 start_vf_id,
1259 u16 end_vf_id)
1260 {
1261 u16 i, func_idx;
1262 int err;
1263
1264 /* vf use 256K as default wq page size, and can't change it */
1265 for (i = start_vf_id; i <= end_vf_id; i++) {
1266 func_idx = hinic_glb_pf_vf_offset(hwdev->hwif) + i;
1267 err = hinic_set_wq_page_size(hwdev, func_idx,
1268 HINIC_DEFAULT_WQ_PAGE_SIZE);
1269 if (err)
1270 return err;
1271 }
1272
1273 return 0;
1274 }
1275
hinic_pci_sriov_disable(struct pci_dev * pdev)1276 int hinic_pci_sriov_disable(struct pci_dev *pdev)
1277 {
1278 struct hinic_sriov_info *sriov_info;
1279 u16 tmp_vfs;
1280
1281 sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
1282 /* if SR-IOV is already disabled then nothing will be done */
1283 if (!sriov_info->sriov_enabled)
1284 return 0;
1285
1286 set_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
1287
1288 /* If our VFs are assigned we cannot shut down SR-IOV
1289 * without causing issues, so just leave the hardware
1290 * available but disabled
1291 */
1292 if (pci_vfs_assigned(sriov_info->pdev)) {
1293 clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
1294 dev_warn(&pdev->dev, "Unloading driver while VFs are assigned - VFs will not be deallocated\n");
1295 return -EPERM;
1296 }
1297 sriov_info->sriov_enabled = false;
1298
1299 /* disable iov and allow time for transactions to clear */
1300 pci_disable_sriov(sriov_info->pdev);
1301
1302 tmp_vfs = (u16)sriov_info->num_vfs;
1303 sriov_info->num_vfs = 0;
1304 hinic_deinit_vf_hw(sriov_info, OS_VF_ID_TO_HW(0),
1305 OS_VF_ID_TO_HW(tmp_vfs - 1));
1306
1307 clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
1308
1309 return 0;
1310 }
1311
hinic_pci_sriov_enable(struct pci_dev * pdev,int num_vfs)1312 static int hinic_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1313 {
1314 struct hinic_sriov_info *sriov_info;
1315 int err;
1316
1317 sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
1318
1319 if (test_and_set_bit(HINIC_SRIOV_ENABLE, &sriov_info->state)) {
1320 dev_err(&pdev->dev,
1321 "SR-IOV enable in process, please wait, num_vfs %d\n",
1322 num_vfs);
1323 return -EPERM;
1324 }
1325
1326 err = hinic_init_vf_hw(sriov_info->hwdev, OS_VF_ID_TO_HW(0),
1327 OS_VF_ID_TO_HW((u16)num_vfs - 1));
1328 if (err) {
1329 dev_err(&sriov_info->pdev->dev,
1330 "Failed to init vf in hardware before enable sriov, error %d\n",
1331 err);
1332 clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
1333 return err;
1334 }
1335
1336 err = pci_enable_sriov(sriov_info->pdev, num_vfs);
1337 if (err) {
1338 dev_err(&pdev->dev,
1339 "Failed to enable SR-IOV, error %d\n", err);
1340 clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
1341 return err;
1342 }
1343
1344 sriov_info->sriov_enabled = true;
1345 sriov_info->num_vfs = num_vfs;
1346 clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
1347
1348 return num_vfs;
1349 }
1350
hinic_pci_sriov_configure(struct pci_dev * dev,int num_vfs)1351 int hinic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
1352 {
1353 struct hinic_sriov_info *sriov_info;
1354
1355 sriov_info = hinic_get_sriov_info_by_pcidev(dev);
1356
1357 if (test_bit(HINIC_FUNC_REMOVE, &sriov_info->state))
1358 return -EBUSY;
1359
1360 if (!num_vfs)
1361 return hinic_pci_sriov_disable(dev);
1362 else
1363 return hinic_pci_sriov_enable(dev, num_vfs);
1364 }
1365