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8127d661 BH |
1 | /**************************************************************************** |
2 | * Driver for Solarflare network controllers and boards | |
3 | * Copyright 2012-2013 Solarflare Communications Inc. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 as published | |
7 | * by the Free Software Foundation, incorporated herein by reference. | |
8 | */ | |
9 | ||
10 | #include "net_driver.h" | |
11 | #include "ef10_regs.h" | |
12 | #include "io.h" | |
13 | #include "mcdi.h" | |
14 | #include "mcdi_pcol.h" | |
15 | #include "nic.h" | |
16 | #include "workarounds.h" | |
74cd60a4 | 17 | #include "selftest.h" |
7fa8d547 | 18 | #include "ef10_sriov.h" |
8127d661 BH |
19 | #include <linux/in.h> |
20 | #include <linux/jhash.h> | |
21 | #include <linux/wait.h> | |
22 | #include <linux/workqueue.h> | |
23 | ||
24 | /* Hardware control for EF10 architecture including 'Huntington'. */ | |
25 | ||
26 | #define EFX_EF10_DRVGEN_EV 7 | |
27 | enum { | |
28 | EFX_EF10_TEST = 1, | |
29 | EFX_EF10_REFILL, | |
30 | }; | |
31 | ||
32 | /* The reserved RSS context value */ | |
33 | #define EFX_EF10_RSS_CONTEXT_INVALID 0xffffffff | |
267c0157 JC |
34 | /* The maximum size of a shared RSS context */ |
35 | /* TODO: this should really be from the mcdi protocol export */ | |
36 | #define EFX_EF10_MAX_SHARED_RSS_CONTEXT_SIZE 64UL | |
8127d661 BH |
37 | |
38 | /* The filter table(s) are managed by firmware and we have write-only | |
39 | * access. When removing filters we must identify them to the | |
40 | * firmware by a 64-bit handle, but this is too wide for Linux kernel | |
41 | * interfaces (32-bit for RX NFC, 16-bit for RFS). Also, we need to | |
42 | * be able to tell in advance whether a requested insertion will | |
43 | * replace an existing filter. Therefore we maintain a software hash | |
44 | * table, which should be at least as large as the hardware hash | |
45 | * table. | |
46 | * | |
47 | * Huntington has a single 8K filter table shared between all filter | |
48 | * types and both ports. | |
49 | */ | |
50 | #define HUNT_FILTER_TBL_ROWS 8192 | |
51 | ||
12fb0da4 | 52 | #define EFX_EF10_FILTER_ID_INVALID 0xffff |
dc3273e0 AR |
53 | |
54 | #define EFX_EF10_FILTER_DEV_UC_MAX 32 | |
55 | #define EFX_EF10_FILTER_DEV_MC_MAX 256 | |
56 | ||
34813fe2 AR |
57 | /* VLAN list entry */ |
58 | struct efx_ef10_vlan { | |
59 | struct list_head list; | |
60 | u16 vid; | |
61 | }; | |
62 | ||
dc3273e0 AR |
63 | /* Per-VLAN filters information */ |
64 | struct efx_ef10_filter_vlan { | |
34813fe2 | 65 | struct list_head list; |
b3a3c03c | 66 | u16 vid; |
dc3273e0 AR |
67 | u16 uc[EFX_EF10_FILTER_DEV_UC_MAX]; |
68 | u16 mc[EFX_EF10_FILTER_DEV_MC_MAX]; | |
69 | u16 ucdef; | |
70 | u16 bcast; | |
71 | u16 mcdef; | |
72 | }; | |
73 | ||
822b96f8 DP |
74 | struct efx_ef10_dev_addr { |
75 | u8 addr[ETH_ALEN]; | |
822b96f8 DP |
76 | }; |
77 | ||
8127d661 | 78 | struct efx_ef10_filter_table { |
7ac0dd9d AR |
79 | /* The MCDI match masks supported by this fw & hw, in order of priority */ |
80 | u32 rx_match_mcdi_flags[ | |
8127d661 BH |
81 | MC_CMD_GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES_MAXNUM]; |
82 | unsigned int rx_match_count; | |
83 | ||
84 | struct { | |
85 | unsigned long spec; /* pointer to spec plus flag bits */ | |
b59e6ef8 BH |
86 | /* BUSY flag indicates that an update is in progress. AUTO_OLD is |
87 | * used to mark and sweep MAC filters for the device address lists. | |
8127d661 BH |
88 | */ |
89 | #define EFX_EF10_FILTER_FLAG_BUSY 1UL | |
b59e6ef8 | 90 | #define EFX_EF10_FILTER_FLAG_AUTO_OLD 2UL |
8127d661 BH |
91 | #define EFX_EF10_FILTER_FLAGS 3UL |
92 | u64 handle; /* firmware handle */ | |
93 | } *entry; | |
94 | wait_queue_head_t waitq; | |
95 | /* Shadow of net_device address lists, guarded by mac_lock */ | |
822b96f8 DP |
96 | struct efx_ef10_dev_addr dev_uc_list[EFX_EF10_FILTER_DEV_UC_MAX]; |
97 | struct efx_ef10_dev_addr dev_mc_list[EFX_EF10_FILTER_DEV_MC_MAX]; | |
12fb0da4 EC |
98 | int dev_uc_count; |
99 | int dev_mc_count; | |
afa4ce12 AR |
100 | bool uc_promisc; |
101 | bool mc_promisc; | |
b071c3a2 AR |
102 | /* Whether in multicast promiscuous mode when last changed */ |
103 | bool mc_promisc_last; | |
4a53ea8a | 104 | bool vlan_filter; |
34813fe2 | 105 | struct list_head vlan_list; |
8127d661 BH |
106 | }; |
107 | ||
108 | /* An arbitrary search limit for the software hash table */ | |
109 | #define EFX_EF10_FILTER_SEARCH_LIMIT 200 | |
110 | ||
8127d661 BH |
111 | static void efx_ef10_rx_free_indir_table(struct efx_nic *efx); |
112 | static void efx_ef10_filter_table_remove(struct efx_nic *efx); | |
34813fe2 AR |
113 | static int efx_ef10_filter_add_vlan(struct efx_nic *efx, u16 vid); |
114 | static void efx_ef10_filter_del_vlan_internal(struct efx_nic *efx, | |
115 | struct efx_ef10_filter_vlan *vlan); | |
116 | static void efx_ef10_filter_del_vlan(struct efx_nic *efx, u16 vid); | |
8127d661 BH |
117 | |
118 | static int efx_ef10_get_warm_boot_count(struct efx_nic *efx) | |
119 | { | |
120 | efx_dword_t reg; | |
121 | ||
122 | efx_readd(efx, ®, ER_DZ_BIU_MC_SFT_STATUS); | |
123 | return EFX_DWORD_FIELD(reg, EFX_WORD_1) == 0xb007 ? | |
124 | EFX_DWORD_FIELD(reg, EFX_WORD_0) : -EIO; | |
125 | } | |
126 | ||
127 | static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx) | |
128 | { | |
02246a7f SS |
129 | int bar; |
130 | ||
131 | bar = efx->type->mem_bar; | |
132 | return resource_size(&efx->pci_dev->resource[bar]); | |
8127d661 BH |
133 | } |
134 | ||
7a186f47 DP |
135 | static bool efx_ef10_is_vf(struct efx_nic *efx) |
136 | { | |
137 | return efx->type->is_vf; | |
138 | } | |
139 | ||
1cd9ecbb DP |
140 | static int efx_ef10_get_pf_index(struct efx_nic *efx) |
141 | { | |
142 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); | |
143 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
144 | size_t outlen; | |
145 | int rc; | |
146 | ||
147 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf, | |
148 | sizeof(outbuf), &outlen); | |
149 | if (rc) | |
150 | return rc; | |
151 | if (outlen < sizeof(outbuf)) | |
152 | return -EIO; | |
153 | ||
154 | nic_data->pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF); | |
155 | return 0; | |
156 | } | |
157 | ||
88a37de6 SS |
158 | #ifdef CONFIG_SFC_SRIOV |
159 | static int efx_ef10_get_vf_index(struct efx_nic *efx) | |
160 | { | |
161 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); | |
162 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
163 | size_t outlen; | |
164 | int rc; | |
165 | ||
166 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf, | |
167 | sizeof(outbuf), &outlen); | |
168 | if (rc) | |
169 | return rc; | |
170 | if (outlen < sizeof(outbuf)) | |
171 | return -EIO; | |
172 | ||
173 | nic_data->vf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_VF); | |
174 | return 0; | |
175 | } | |
176 | #endif | |
177 | ||
e5a2538a | 178 | static int efx_ef10_init_datapath_caps(struct efx_nic *efx) |
8127d661 BH |
179 | { |
180 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_OUT_LEN); | |
181 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
182 | size_t outlen; | |
183 | int rc; | |
184 | ||
185 | BUILD_BUG_ON(MC_CMD_GET_CAPABILITIES_IN_LEN != 0); | |
186 | ||
187 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_CAPABILITIES, NULL, 0, | |
188 | outbuf, sizeof(outbuf), &outlen); | |
189 | if (rc) | |
190 | return rc; | |
e5a2538a BH |
191 | if (outlen < sizeof(outbuf)) { |
192 | netif_err(efx, drv, efx->net_dev, | |
193 | "unable to read datapath firmware capabilities\n"); | |
194 | return -EIO; | |
195 | } | |
196 | ||
197 | nic_data->datapath_caps = | |
198 | MCDI_DWORD(outbuf, GET_CAPABILITIES_OUT_FLAGS1); | |
8127d661 | 199 | |
8d9f9dd4 DP |
200 | /* record the DPCPU firmware IDs to determine VEB vswitching support. |
201 | */ | |
202 | nic_data->rx_dpcpu_fw_id = | |
203 | MCDI_WORD(outbuf, GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID); | |
204 | nic_data->tx_dpcpu_fw_id = | |
205 | MCDI_WORD(outbuf, GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID); | |
206 | ||
e5a2538a BH |
207 | if (!(nic_data->datapath_caps & |
208 | (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_PREFIX_LEN_14_LBN))) { | |
209 | netif_err(efx, probe, efx->net_dev, | |
210 | "current firmware does not support an RX prefix\n"); | |
211 | return -ENODEV; | |
8127d661 BH |
212 | } |
213 | ||
214 | return 0; | |
215 | } | |
216 | ||
217 | static int efx_ef10_get_sysclk_freq(struct efx_nic *efx) | |
218 | { | |
219 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CLOCK_OUT_LEN); | |
220 | int rc; | |
221 | ||
222 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_CLOCK, NULL, 0, | |
223 | outbuf, sizeof(outbuf), NULL); | |
224 | if (rc) | |
225 | return rc; | |
226 | rc = MCDI_DWORD(outbuf, GET_CLOCK_OUT_SYS_FREQ); | |
227 | return rc > 0 ? rc : -ERANGE; | |
228 | } | |
229 | ||
0d5e0fbb | 230 | static int efx_ef10_get_mac_address_pf(struct efx_nic *efx, u8 *mac_address) |
8127d661 BH |
231 | { |
232 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN); | |
233 | size_t outlen; | |
234 | int rc; | |
235 | ||
236 | BUILD_BUG_ON(MC_CMD_GET_MAC_ADDRESSES_IN_LEN != 0); | |
237 | ||
238 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_MAC_ADDRESSES, NULL, 0, | |
239 | outbuf, sizeof(outbuf), &outlen); | |
240 | if (rc) | |
241 | return rc; | |
242 | if (outlen < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN) | |
243 | return -EIO; | |
244 | ||
cd84ff4d EC |
245 | ether_addr_copy(mac_address, |
246 | MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE)); | |
8127d661 BH |
247 | return 0; |
248 | } | |
249 | ||
0d5e0fbb DP |
250 | static int efx_ef10_get_mac_address_vf(struct efx_nic *efx, u8 *mac_address) |
251 | { | |
252 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN); | |
253 | MCDI_DECLARE_BUF(outbuf, MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX); | |
254 | size_t outlen; | |
255 | int num_addrs, rc; | |
256 | ||
257 | MCDI_SET_DWORD(inbuf, VPORT_GET_MAC_ADDRESSES_IN_VPORT_ID, | |
258 | EVB_PORT_ID_ASSIGNED); | |
259 | rc = efx_mcdi_rpc(efx, MC_CMD_VPORT_GET_MAC_ADDRESSES, inbuf, | |
260 | sizeof(inbuf), outbuf, sizeof(outbuf), &outlen); | |
261 | ||
262 | if (rc) | |
263 | return rc; | |
264 | if (outlen < MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMIN) | |
265 | return -EIO; | |
266 | ||
267 | num_addrs = MCDI_DWORD(outbuf, | |
268 | VPORT_GET_MAC_ADDRESSES_OUT_MACADDR_COUNT); | |
269 | ||
270 | WARN_ON(num_addrs != 1); | |
271 | ||
272 | ether_addr_copy(mac_address, | |
273 | MCDI_PTR(outbuf, VPORT_GET_MAC_ADDRESSES_OUT_MACADDR)); | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
0f5c0845 SS |
278 | static ssize_t efx_ef10_show_link_control_flag(struct device *dev, |
279 | struct device_attribute *attr, | |
280 | char *buf) | |
281 | { | |
282 | struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); | |
283 | ||
284 | return sprintf(buf, "%d\n", | |
285 | ((efx->mcdi->fn_flags) & | |
286 | (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL)) | |
287 | ? 1 : 0); | |
288 | } | |
289 | ||
290 | static ssize_t efx_ef10_show_primary_flag(struct device *dev, | |
291 | struct device_attribute *attr, | |
292 | char *buf) | |
293 | { | |
294 | struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); | |
295 | ||
296 | return sprintf(buf, "%d\n", | |
297 | ((efx->mcdi->fn_flags) & | |
298 | (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY)) | |
299 | ? 1 : 0); | |
300 | } | |
301 | ||
34813fe2 AR |
302 | static struct efx_ef10_vlan *efx_ef10_find_vlan(struct efx_nic *efx, u16 vid) |
303 | { | |
304 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
305 | struct efx_ef10_vlan *vlan; | |
306 | ||
307 | WARN_ON(!mutex_is_locked(&nic_data->vlan_lock)); | |
308 | ||
309 | list_for_each_entry(vlan, &nic_data->vlan_list, list) { | |
310 | if (vlan->vid == vid) | |
311 | return vlan; | |
312 | } | |
313 | ||
314 | return NULL; | |
315 | } | |
316 | ||
317 | static int efx_ef10_add_vlan(struct efx_nic *efx, u16 vid) | |
318 | { | |
319 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
320 | struct efx_ef10_vlan *vlan; | |
321 | int rc; | |
322 | ||
323 | mutex_lock(&nic_data->vlan_lock); | |
324 | ||
325 | vlan = efx_ef10_find_vlan(efx, vid); | |
326 | if (vlan) { | |
4a53ea8a AR |
327 | /* We add VID 0 on init. 8021q adds it on module init |
328 | * for all interfaces with VLAN filtring feature. | |
329 | */ | |
330 | if (vid == 0) | |
331 | goto done_unlock; | |
34813fe2 AR |
332 | netif_warn(efx, drv, efx->net_dev, |
333 | "VLAN %u already added\n", vid); | |
334 | rc = -EALREADY; | |
335 | goto fail_exist; | |
336 | } | |
337 | ||
338 | rc = -ENOMEM; | |
339 | vlan = kzalloc(sizeof(*vlan), GFP_KERNEL); | |
340 | if (!vlan) | |
341 | goto fail_alloc; | |
342 | ||
343 | vlan->vid = vid; | |
344 | ||
345 | list_add_tail(&vlan->list, &nic_data->vlan_list); | |
346 | ||
347 | if (efx->filter_state) { | |
348 | mutex_lock(&efx->mac_lock); | |
349 | down_write(&efx->filter_sem); | |
350 | rc = efx_ef10_filter_add_vlan(efx, vlan->vid); | |
351 | up_write(&efx->filter_sem); | |
352 | mutex_unlock(&efx->mac_lock); | |
353 | if (rc) | |
354 | goto fail_filter_add_vlan; | |
355 | } | |
356 | ||
4a53ea8a | 357 | done_unlock: |
34813fe2 AR |
358 | mutex_unlock(&nic_data->vlan_lock); |
359 | return 0; | |
360 | ||
361 | fail_filter_add_vlan: | |
362 | list_del(&vlan->list); | |
363 | kfree(vlan); | |
364 | fail_alloc: | |
365 | fail_exist: | |
366 | mutex_unlock(&nic_data->vlan_lock); | |
367 | return rc; | |
368 | } | |
369 | ||
370 | static void efx_ef10_del_vlan_internal(struct efx_nic *efx, | |
371 | struct efx_ef10_vlan *vlan) | |
372 | { | |
373 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
374 | ||
375 | WARN_ON(!mutex_is_locked(&nic_data->vlan_lock)); | |
376 | ||
377 | if (efx->filter_state) { | |
378 | down_write(&efx->filter_sem); | |
379 | efx_ef10_filter_del_vlan(efx, vlan->vid); | |
380 | up_write(&efx->filter_sem); | |
381 | } | |
382 | ||
383 | list_del(&vlan->list); | |
384 | kfree(vlan); | |
385 | } | |
386 | ||
4a53ea8a AR |
387 | static int efx_ef10_del_vlan(struct efx_nic *efx, u16 vid) |
388 | { | |
389 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
390 | struct efx_ef10_vlan *vlan; | |
391 | int rc = 0; | |
392 | ||
393 | /* 8021q removes VID 0 on module unload for all interfaces | |
394 | * with VLAN filtering feature. We need to keep it to receive | |
395 | * untagged traffic. | |
396 | */ | |
397 | if (vid == 0) | |
398 | return 0; | |
399 | ||
400 | mutex_lock(&nic_data->vlan_lock); | |
401 | ||
402 | vlan = efx_ef10_find_vlan(efx, vid); | |
403 | if (!vlan) { | |
404 | netif_err(efx, drv, efx->net_dev, | |
405 | "VLAN %u to be deleted not found\n", vid); | |
406 | rc = -ENOENT; | |
407 | } else { | |
408 | efx_ef10_del_vlan_internal(efx, vlan); | |
409 | } | |
410 | ||
411 | mutex_unlock(&nic_data->vlan_lock); | |
412 | ||
413 | return rc; | |
414 | } | |
415 | ||
34813fe2 AR |
416 | static void efx_ef10_cleanup_vlans(struct efx_nic *efx) |
417 | { | |
418 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
419 | struct efx_ef10_vlan *vlan, *next_vlan; | |
420 | ||
421 | mutex_lock(&nic_data->vlan_lock); | |
422 | list_for_each_entry_safe(vlan, next_vlan, &nic_data->vlan_list, list) | |
423 | efx_ef10_del_vlan_internal(efx, vlan); | |
424 | mutex_unlock(&nic_data->vlan_lock); | |
425 | } | |
426 | ||
0f5c0845 SS |
427 | static DEVICE_ATTR(link_control_flag, 0444, efx_ef10_show_link_control_flag, |
428 | NULL); | |
429 | static DEVICE_ATTR(primary_flag, 0444, efx_ef10_show_primary_flag, NULL); | |
430 | ||
8127d661 BH |
431 | static int efx_ef10_probe(struct efx_nic *efx) |
432 | { | |
433 | struct efx_ef10_nic_data *nic_data; | |
8be41320 | 434 | struct net_device *net_dev = efx->net_dev; |
8127d661 BH |
435 | int i, rc; |
436 | ||
aa3930ee BH |
437 | /* We can have one VI for each 8K region. However, until we |
438 | * use TX option descriptors we need two TX queues per channel. | |
8127d661 | 439 | */ |
b0fbdae1 SS |
440 | efx->max_channels = min_t(unsigned int, |
441 | EFX_MAX_CHANNELS, | |
442 | efx_ef10_mem_map_size(efx) / | |
443 | (EFX_VI_PAGE_SIZE * EFX_TXQ_TYPES)); | |
444 | efx->max_tx_channels = efx->max_channels; | |
9fd3d3a4 EC |
445 | if (WARN_ON(efx->max_channels == 0)) |
446 | return -EIO; | |
8127d661 BH |
447 | |
448 | nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL); | |
449 | if (!nic_data) | |
450 | return -ENOMEM; | |
451 | efx->nic_data = nic_data; | |
452 | ||
75aba2a5 EC |
453 | /* we assume later that we can copy from this buffer in dwords */ |
454 | BUILD_BUG_ON(MCDI_CTL_SDU_LEN_MAX_V2 % 4); | |
455 | ||
8127d661 BH |
456 | rc = efx_nic_alloc_buffer(efx, &nic_data->mcdi_buf, |
457 | 8 + MCDI_CTL_SDU_LEN_MAX_V2, GFP_KERNEL); | |
458 | if (rc) | |
459 | goto fail1; | |
460 | ||
461 | /* Get the MC's warm boot count. In case it's rebooting right | |
462 | * now, be prepared to retry. | |
463 | */ | |
464 | i = 0; | |
465 | for (;;) { | |
466 | rc = efx_ef10_get_warm_boot_count(efx); | |
467 | if (rc >= 0) | |
468 | break; | |
469 | if (++i == 5) | |
470 | goto fail2; | |
471 | ssleep(1); | |
472 | } | |
473 | nic_data->warm_boot_count = rc; | |
474 | ||
475 | nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; | |
476 | ||
45b2449e DP |
477 | nic_data->vport_id = EVB_PORT_ID_ASSIGNED; |
478 | ||
8127d661 BH |
479 | /* In case we're recovering from a crash (kexec), we want to |
480 | * cancel any outstanding request by the previous user of this | |
481 | * function. We send a special message using the least | |
482 | * significant bits of the 'high' (doorbell) register. | |
483 | */ | |
484 | _efx_writed(efx, cpu_to_le32(1), ER_DZ_MC_DB_HWRD); | |
485 | ||
486 | rc = efx_mcdi_init(efx); | |
487 | if (rc) | |
488 | goto fail2; | |
489 | ||
490 | /* Reset (most) configuration for this function */ | |
491 | rc = efx_mcdi_reset(efx, RESET_TYPE_ALL); | |
492 | if (rc) | |
493 | goto fail3; | |
494 | ||
495 | /* Enable event logging */ | |
496 | rc = efx_mcdi_log_ctrl(efx, true, false, 0); | |
497 | if (rc) | |
498 | goto fail3; | |
499 | ||
0f5c0845 SS |
500 | rc = device_create_file(&efx->pci_dev->dev, |
501 | &dev_attr_link_control_flag); | |
1cd9ecbb DP |
502 | if (rc) |
503 | goto fail3; | |
504 | ||
0f5c0845 SS |
505 | rc = device_create_file(&efx->pci_dev->dev, &dev_attr_primary_flag); |
506 | if (rc) | |
507 | goto fail4; | |
508 | ||
509 | rc = efx_ef10_get_pf_index(efx); | |
510 | if (rc) | |
511 | goto fail5; | |
512 | ||
e5a2538a | 513 | rc = efx_ef10_init_datapath_caps(efx); |
8127d661 | 514 | if (rc < 0) |
0f5c0845 | 515 | goto fail5; |
8127d661 BH |
516 | |
517 | efx->rx_packet_len_offset = | |
518 | ES_DZ_RX_PREFIX_PKTLEN_OFST - ES_DZ_RX_PREFIX_SIZE; | |
519 | ||
8127d661 BH |
520 | rc = efx_mcdi_port_get_number(efx); |
521 | if (rc < 0) | |
0f5c0845 | 522 | goto fail5; |
8127d661 | 523 | efx->port_num = rc; |
8be41320 | 524 | net_dev->dev_port = rc; |
8127d661 | 525 | |
0d5e0fbb | 526 | rc = efx->type->get_mac_address(efx, efx->net_dev->perm_addr); |
8127d661 | 527 | if (rc) |
0f5c0845 | 528 | goto fail5; |
8127d661 BH |
529 | |
530 | rc = efx_ef10_get_sysclk_freq(efx); | |
531 | if (rc < 0) | |
0f5c0845 | 532 | goto fail5; |
8127d661 BH |
533 | efx->timer_quantum_ns = 1536000 / rc; /* 1536 cycles */ |
534 | ||
267d9d73 EC |
535 | /* Check whether firmware supports bug 35388 workaround. |
536 | * First try to enable it, then if we get EPERM, just | |
537 | * ask if it's already enabled | |
538 | */ | |
34ccfe6f | 539 | rc = efx_mcdi_set_workaround(efx, MC_CMD_WORKAROUND_BUG35388, true, NULL); |
c9012e00 | 540 | if (rc == 0) { |
8127d661 | 541 | nic_data->workaround_35388 = true; |
c9012e00 | 542 | } else if (rc == -EPERM) { |
267d9d73 EC |
543 | unsigned int enabled; |
544 | ||
545 | rc = efx_mcdi_get_workarounds(efx, NULL, &enabled); | |
546 | if (rc) | |
547 | goto fail3; | |
548 | nic_data->workaround_35388 = enabled & | |
549 | MC_CMD_GET_WORKAROUNDS_OUT_BUG35388; | |
c9012e00 | 550 | } else if (rc != -ENOSYS && rc != -ENOENT) { |
0f5c0845 | 551 | goto fail5; |
c9012e00 | 552 | } |
8127d661 BH |
553 | netif_dbg(efx, probe, efx->net_dev, |
554 | "workaround for bug 35388 is %sabled\n", | |
555 | nic_data->workaround_35388 ? "en" : "dis"); | |
556 | ||
557 | rc = efx_mcdi_mon_probe(efx); | |
267d9d73 | 558 | if (rc && rc != -EPERM) |
0f5c0845 | 559 | goto fail5; |
8127d661 | 560 | |
9aecda95 BH |
561 | efx_ptp_probe(efx, NULL); |
562 | ||
1d051e00 SS |
563 | #ifdef CONFIG_SFC_SRIOV |
564 | if ((efx->pci_dev->physfn) && (!efx->pci_dev->is_physfn)) { | |
565 | struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; | |
566 | struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); | |
567 | ||
568 | efx_pf->type->get_mac_address(efx_pf, nic_data->port_id); | |
569 | } else | |
570 | #endif | |
571 | ether_addr_copy(nic_data->port_id, efx->net_dev->perm_addr); | |
572 | ||
34813fe2 AR |
573 | INIT_LIST_HEAD(&nic_data->vlan_list); |
574 | mutex_init(&nic_data->vlan_lock); | |
575 | ||
576 | /* Add unspecified VID to support VLAN filtering being disabled */ | |
577 | rc = efx_ef10_add_vlan(efx, EFX_FILTER_VID_UNSPEC); | |
578 | if (rc) | |
579 | goto fail_add_vid_unspec; | |
580 | ||
4a53ea8a AR |
581 | /* If VLAN filtering is enabled, we need VID 0 to get untagged |
582 | * traffic. It is added automatically if 8021q module is loaded, | |
583 | * but we can't rely on it since module may be not loaded. | |
584 | */ | |
585 | rc = efx_ef10_add_vlan(efx, 0); | |
586 | if (rc) | |
587 | goto fail_add_vid_0; | |
588 | ||
8127d661 BH |
589 | return 0; |
590 | ||
4a53ea8a AR |
591 | fail_add_vid_0: |
592 | efx_ef10_cleanup_vlans(efx); | |
34813fe2 AR |
593 | fail_add_vid_unspec: |
594 | mutex_destroy(&nic_data->vlan_lock); | |
595 | efx_ptp_remove(efx); | |
596 | efx_mcdi_mon_remove(efx); | |
0f5c0845 SS |
597 | fail5: |
598 | device_remove_file(&efx->pci_dev->dev, &dev_attr_primary_flag); | |
599 | fail4: | |
600 | device_remove_file(&efx->pci_dev->dev, &dev_attr_link_control_flag); | |
8127d661 BH |
601 | fail3: |
602 | efx_mcdi_fini(efx); | |
603 | fail2: | |
604 | efx_nic_free_buffer(efx, &nic_data->mcdi_buf); | |
605 | fail1: | |
606 | kfree(nic_data); | |
607 | efx->nic_data = NULL; | |
608 | return rc; | |
609 | } | |
610 | ||
611 | static int efx_ef10_free_vis(struct efx_nic *efx) | |
612 | { | |
aa09a3da | 613 | MCDI_DECLARE_BUF_ERR(outbuf); |
1e0b8120 EC |
614 | size_t outlen; |
615 | int rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FREE_VIS, NULL, 0, | |
616 | outbuf, sizeof(outbuf), &outlen); | |
8127d661 BH |
617 | |
618 | /* -EALREADY means nothing to free, so ignore */ | |
619 | if (rc == -EALREADY) | |
620 | rc = 0; | |
1e0b8120 EC |
621 | if (rc) |
622 | efx_mcdi_display_error(efx, MC_CMD_FREE_VIS, 0, outbuf, outlen, | |
623 | rc); | |
8127d661 BH |
624 | return rc; |
625 | } | |
626 | ||
183233be BH |
627 | #ifdef EFX_USE_PIO |
628 | ||
629 | static void efx_ef10_free_piobufs(struct efx_nic *efx) | |
630 | { | |
631 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
632 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FREE_PIOBUF_IN_LEN); | |
633 | unsigned int i; | |
634 | int rc; | |
635 | ||
636 | BUILD_BUG_ON(MC_CMD_FREE_PIOBUF_OUT_LEN != 0); | |
637 | ||
638 | for (i = 0; i < nic_data->n_piobufs; i++) { | |
639 | MCDI_SET_DWORD(inbuf, FREE_PIOBUF_IN_PIOBUF_HANDLE, | |
640 | nic_data->piobuf_handle[i]); | |
641 | rc = efx_mcdi_rpc(efx, MC_CMD_FREE_PIOBUF, inbuf, sizeof(inbuf), | |
642 | NULL, 0, NULL); | |
643 | WARN_ON(rc); | |
644 | } | |
645 | ||
646 | nic_data->n_piobufs = 0; | |
647 | } | |
648 | ||
649 | static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n) | |
650 | { | |
651 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
652 | MCDI_DECLARE_BUF(outbuf, MC_CMD_ALLOC_PIOBUF_OUT_LEN); | |
653 | unsigned int i; | |
654 | size_t outlen; | |
655 | int rc = 0; | |
656 | ||
657 | BUILD_BUG_ON(MC_CMD_ALLOC_PIOBUF_IN_LEN != 0); | |
658 | ||
659 | for (i = 0; i < n; i++) { | |
09a04204 BK |
660 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_ALLOC_PIOBUF, NULL, 0, |
661 | outbuf, sizeof(outbuf), &outlen); | |
662 | if (rc) { | |
663 | /* Don't display the MC error if we didn't have space | |
664 | * for a VF. | |
665 | */ | |
666 | if (!(efx_ef10_is_vf(efx) && rc == -ENOSPC)) | |
667 | efx_mcdi_display_error(efx, MC_CMD_ALLOC_PIOBUF, | |
668 | 0, outbuf, outlen, rc); | |
183233be | 669 | break; |
09a04204 | 670 | } |
183233be BH |
671 | if (outlen < MC_CMD_ALLOC_PIOBUF_OUT_LEN) { |
672 | rc = -EIO; | |
673 | break; | |
674 | } | |
675 | nic_data->piobuf_handle[i] = | |
676 | MCDI_DWORD(outbuf, ALLOC_PIOBUF_OUT_PIOBUF_HANDLE); | |
677 | netif_dbg(efx, probe, efx->net_dev, | |
678 | "allocated PIO buffer %u handle %x\n", i, | |
679 | nic_data->piobuf_handle[i]); | |
680 | } | |
681 | ||
682 | nic_data->n_piobufs = i; | |
683 | if (rc) | |
684 | efx_ef10_free_piobufs(efx); | |
685 | return rc; | |
686 | } | |
687 | ||
688 | static int efx_ef10_link_piobufs(struct efx_nic *efx) | |
689 | { | |
690 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
aa09a3da JC |
691 | _MCDI_DECLARE_BUF(inbuf, |
692 | max(MC_CMD_LINK_PIOBUF_IN_LEN, | |
693 | MC_CMD_UNLINK_PIOBUF_IN_LEN)); | |
183233be BH |
694 | struct efx_channel *channel; |
695 | struct efx_tx_queue *tx_queue; | |
696 | unsigned int offset, index; | |
697 | int rc; | |
698 | ||
699 | BUILD_BUG_ON(MC_CMD_LINK_PIOBUF_OUT_LEN != 0); | |
700 | BUILD_BUG_ON(MC_CMD_UNLINK_PIOBUF_OUT_LEN != 0); | |
701 | ||
aa09a3da JC |
702 | memset(inbuf, 0, sizeof(inbuf)); |
703 | ||
183233be BH |
704 | /* Link a buffer to each VI in the write-combining mapping */ |
705 | for (index = 0; index < nic_data->n_piobufs; ++index) { | |
706 | MCDI_SET_DWORD(inbuf, LINK_PIOBUF_IN_PIOBUF_HANDLE, | |
707 | nic_data->piobuf_handle[index]); | |
708 | MCDI_SET_DWORD(inbuf, LINK_PIOBUF_IN_TXQ_INSTANCE, | |
709 | nic_data->pio_write_vi_base + index); | |
710 | rc = efx_mcdi_rpc(efx, MC_CMD_LINK_PIOBUF, | |
711 | inbuf, MC_CMD_LINK_PIOBUF_IN_LEN, | |
712 | NULL, 0, NULL); | |
713 | if (rc) { | |
714 | netif_err(efx, drv, efx->net_dev, | |
715 | "failed to link VI %u to PIO buffer %u (%d)\n", | |
716 | nic_data->pio_write_vi_base + index, index, | |
717 | rc); | |
718 | goto fail; | |
719 | } | |
720 | netif_dbg(efx, probe, efx->net_dev, | |
721 | "linked VI %u to PIO buffer %u\n", | |
722 | nic_data->pio_write_vi_base + index, index); | |
723 | } | |
724 | ||
725 | /* Link a buffer to each TX queue */ | |
726 | efx_for_each_channel(channel, efx) { | |
727 | efx_for_each_channel_tx_queue(tx_queue, channel) { | |
728 | /* We assign the PIO buffers to queues in | |
729 | * reverse order to allow for the following | |
730 | * special case. | |
731 | */ | |
732 | offset = ((efx->tx_channel_offset + efx->n_tx_channels - | |
733 | tx_queue->channel->channel - 1) * | |
734 | efx_piobuf_size); | |
735 | index = offset / ER_DZ_TX_PIOBUF_SIZE; | |
736 | offset = offset % ER_DZ_TX_PIOBUF_SIZE; | |
737 | ||
738 | /* When the host page size is 4K, the first | |
739 | * host page in the WC mapping may be within | |
740 | * the same VI page as the last TX queue. We | |
741 | * can only link one buffer to each VI. | |
742 | */ | |
743 | if (tx_queue->queue == nic_data->pio_write_vi_base) { | |
744 | BUG_ON(index != 0); | |
745 | rc = 0; | |
746 | } else { | |
747 | MCDI_SET_DWORD(inbuf, | |
748 | LINK_PIOBUF_IN_PIOBUF_HANDLE, | |
749 | nic_data->piobuf_handle[index]); | |
750 | MCDI_SET_DWORD(inbuf, | |
751 | LINK_PIOBUF_IN_TXQ_INSTANCE, | |
752 | tx_queue->queue); | |
753 | rc = efx_mcdi_rpc(efx, MC_CMD_LINK_PIOBUF, | |
754 | inbuf, MC_CMD_LINK_PIOBUF_IN_LEN, | |
755 | NULL, 0, NULL); | |
756 | } | |
757 | ||
758 | if (rc) { | |
759 | /* This is non-fatal; the TX path just | |
760 | * won't use PIO for this queue | |
761 | */ | |
762 | netif_err(efx, drv, efx->net_dev, | |
763 | "failed to link VI %u to PIO buffer %u (%d)\n", | |
764 | tx_queue->queue, index, rc); | |
765 | tx_queue->piobuf = NULL; | |
766 | } else { | |
767 | tx_queue->piobuf = | |
768 | nic_data->pio_write_base + | |
769 | index * EFX_VI_PAGE_SIZE + offset; | |
770 | tx_queue->piobuf_offset = offset; | |
771 | netif_dbg(efx, probe, efx->net_dev, | |
772 | "linked VI %u to PIO buffer %u offset %x addr %p\n", | |
773 | tx_queue->queue, index, | |
774 | tx_queue->piobuf_offset, | |
775 | tx_queue->piobuf); | |
776 | } | |
777 | } | |
778 | } | |
779 | ||
780 | return 0; | |
781 | ||
782 | fail: | |
783 | while (index--) { | |
784 | MCDI_SET_DWORD(inbuf, UNLINK_PIOBUF_IN_TXQ_INSTANCE, | |
785 | nic_data->pio_write_vi_base + index); | |
786 | efx_mcdi_rpc(efx, MC_CMD_UNLINK_PIOBUF, | |
787 | inbuf, MC_CMD_UNLINK_PIOBUF_IN_LEN, | |
788 | NULL, 0, NULL); | |
789 | } | |
790 | return rc; | |
791 | } | |
792 | ||
c0795bf6 EC |
793 | static void efx_ef10_forget_old_piobufs(struct efx_nic *efx) |
794 | { | |
795 | struct efx_channel *channel; | |
796 | struct efx_tx_queue *tx_queue; | |
797 | ||
798 | /* All our existing PIO buffers went away */ | |
799 | efx_for_each_channel(channel, efx) | |
800 | efx_for_each_channel_tx_queue(tx_queue, channel) | |
801 | tx_queue->piobuf = NULL; | |
802 | } | |
803 | ||
183233be BH |
804 | #else /* !EFX_USE_PIO */ |
805 | ||
806 | static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n) | |
807 | { | |
808 | return n == 0 ? 0 : -ENOBUFS; | |
809 | } | |
810 | ||
811 | static int efx_ef10_link_piobufs(struct efx_nic *efx) | |
812 | { | |
813 | return 0; | |
814 | } | |
815 | ||
816 | static void efx_ef10_free_piobufs(struct efx_nic *efx) | |
817 | { | |
818 | } | |
819 | ||
c0795bf6 EC |
820 | static void efx_ef10_forget_old_piobufs(struct efx_nic *efx) |
821 | { | |
822 | } | |
823 | ||
183233be BH |
824 | #endif /* EFX_USE_PIO */ |
825 | ||
8127d661 BH |
826 | static void efx_ef10_remove(struct efx_nic *efx) |
827 | { | |
828 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
829 | int rc; | |
830 | ||
f1122a34 SS |
831 | #ifdef CONFIG_SFC_SRIOV |
832 | struct efx_ef10_nic_data *nic_data_pf; | |
833 | struct pci_dev *pci_dev_pf; | |
834 | struct efx_nic *efx_pf; | |
835 | struct ef10_vf *vf; | |
836 | ||
837 | if (efx->pci_dev->is_virtfn) { | |
838 | pci_dev_pf = efx->pci_dev->physfn; | |
839 | if (pci_dev_pf) { | |
840 | efx_pf = pci_get_drvdata(pci_dev_pf); | |
841 | nic_data_pf = efx_pf->nic_data; | |
842 | vf = nic_data_pf->vf + nic_data->vf_index; | |
843 | vf->efx = NULL; | |
844 | } else | |
845 | netif_info(efx, drv, efx->net_dev, | |
846 | "Could not get the PF id from VF\n"); | |
847 | } | |
848 | #endif | |
849 | ||
34813fe2 AR |
850 | efx_ef10_cleanup_vlans(efx); |
851 | mutex_destroy(&nic_data->vlan_lock); | |
852 | ||
9aecda95 BH |
853 | efx_ptp_remove(efx); |
854 | ||
8127d661 BH |
855 | efx_mcdi_mon_remove(efx); |
856 | ||
8127d661 BH |
857 | efx_ef10_rx_free_indir_table(efx); |
858 | ||
183233be BH |
859 | if (nic_data->wc_membase) |
860 | iounmap(nic_data->wc_membase); | |
861 | ||
8127d661 BH |
862 | rc = efx_ef10_free_vis(efx); |
863 | WARN_ON(rc != 0); | |
864 | ||
183233be BH |
865 | if (!nic_data->must_restore_piobufs) |
866 | efx_ef10_free_piobufs(efx); | |
867 | ||
0f5c0845 SS |
868 | device_remove_file(&efx->pci_dev->dev, &dev_attr_primary_flag); |
869 | device_remove_file(&efx->pci_dev->dev, &dev_attr_link_control_flag); | |
870 | ||
8127d661 BH |
871 | efx_mcdi_fini(efx); |
872 | efx_nic_free_buffer(efx, &nic_data->mcdi_buf); | |
873 | kfree(nic_data); | |
874 | } | |
875 | ||
88a37de6 SS |
876 | static int efx_ef10_probe_pf(struct efx_nic *efx) |
877 | { | |
878 | return efx_ef10_probe(efx); | |
879 | } | |
880 | ||
38d27f38 AR |
881 | int efx_ef10_vadaptor_query(struct efx_nic *efx, unsigned int port_id, |
882 | u32 *port_flags, u32 *vadaptor_flags, | |
883 | unsigned int *vlan_tags) | |
884 | { | |
885 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
886 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_QUERY_IN_LEN); | |
887 | MCDI_DECLARE_BUF(outbuf, MC_CMD_VADAPTOR_QUERY_OUT_LEN); | |
888 | size_t outlen; | |
889 | int rc; | |
890 | ||
891 | if (nic_data->datapath_caps & | |
892 | (1 << MC_CMD_GET_CAPABILITIES_OUT_VADAPTOR_QUERY_LBN)) { | |
893 | MCDI_SET_DWORD(inbuf, VADAPTOR_QUERY_IN_UPSTREAM_PORT_ID, | |
894 | port_id); | |
895 | ||
896 | rc = efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_QUERY, inbuf, sizeof(inbuf), | |
897 | outbuf, sizeof(outbuf), &outlen); | |
898 | if (rc) | |
899 | return rc; | |
900 | ||
901 | if (outlen < sizeof(outbuf)) { | |
902 | rc = -EIO; | |
903 | return rc; | |
904 | } | |
905 | } | |
906 | ||
907 | if (port_flags) | |
908 | *port_flags = MCDI_DWORD(outbuf, VADAPTOR_QUERY_OUT_PORT_FLAGS); | |
909 | if (vadaptor_flags) | |
910 | *vadaptor_flags = | |
911 | MCDI_DWORD(outbuf, VADAPTOR_QUERY_OUT_VADAPTOR_FLAGS); | |
912 | if (vlan_tags) | |
913 | *vlan_tags = | |
914 | MCDI_DWORD(outbuf, | |
915 | VADAPTOR_QUERY_OUT_NUM_AVAILABLE_VLAN_TAGS); | |
916 | ||
917 | return 0; | |
918 | } | |
919 | ||
7a186f47 DP |
920 | int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) |
921 | { | |
922 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); | |
923 | ||
924 | MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); | |
925 | return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), | |
926 | NULL, 0, NULL); | |
927 | } | |
928 | ||
929 | int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) | |
930 | { | |
931 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); | |
932 | ||
933 | MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); | |
934 | return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), | |
935 | NULL, 0, NULL); | |
936 | } | |
937 | ||
938 | int efx_ef10_vport_add_mac(struct efx_nic *efx, | |
939 | unsigned int port_id, u8 *mac) | |
940 | { | |
941 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); | |
942 | ||
943 | MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); | |
944 | ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); | |
945 | ||
946 | return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, | |
947 | sizeof(inbuf), NULL, 0, NULL); | |
948 | } | |
949 | ||
950 | int efx_ef10_vport_del_mac(struct efx_nic *efx, | |
951 | unsigned int port_id, u8 *mac) | |
952 | { | |
953 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); | |
954 | ||
955 | MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); | |
956 | ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); | |
957 | ||
958 | return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, | |
959 | sizeof(inbuf), NULL, 0, NULL); | |
960 | } | |
961 | ||
88a37de6 SS |
962 | #ifdef CONFIG_SFC_SRIOV |
963 | static int efx_ef10_probe_vf(struct efx_nic *efx) | |
964 | { | |
965 | int rc; | |
6598dad2 DP |
966 | struct pci_dev *pci_dev_pf; |
967 | ||
968 | /* If the parent PF has no VF data structure, it doesn't know about this | |
969 | * VF so fail probe. The VF needs to be re-created. This can happen | |
970 | * if the PF driver is unloaded while the VF is assigned to a guest. | |
971 | */ | |
972 | pci_dev_pf = efx->pci_dev->physfn; | |
973 | if (pci_dev_pf) { | |
974 | struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); | |
975 | struct efx_ef10_nic_data *nic_data_pf = efx_pf->nic_data; | |
976 | ||
977 | if (!nic_data_pf->vf) { | |
978 | netif_info(efx, drv, efx->net_dev, | |
979 | "The VF cannot link to its parent PF; " | |
980 | "please destroy and re-create the VF\n"); | |
981 | return -EBUSY; | |
982 | } | |
983 | } | |
88a37de6 SS |
984 | |
985 | rc = efx_ef10_probe(efx); | |
986 | if (rc) | |
987 | return rc; | |
988 | ||
989 | rc = efx_ef10_get_vf_index(efx); | |
990 | if (rc) | |
991 | goto fail; | |
992 | ||
f1122a34 SS |
993 | if (efx->pci_dev->is_virtfn) { |
994 | if (efx->pci_dev->physfn) { | |
995 | struct efx_nic *efx_pf = | |
996 | pci_get_drvdata(efx->pci_dev->physfn); | |
997 | struct efx_ef10_nic_data *nic_data_p = efx_pf->nic_data; | |
998 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
999 | ||
1000 | nic_data_p->vf[nic_data->vf_index].efx = efx; | |
6598dad2 DP |
1001 | nic_data_p->vf[nic_data->vf_index].pci_dev = |
1002 | efx->pci_dev; | |
f1122a34 SS |
1003 | } else |
1004 | netif_info(efx, drv, efx->net_dev, | |
1005 | "Could not get the PF id from VF\n"); | |
1006 | } | |
1007 | ||
88a37de6 SS |
1008 | return 0; |
1009 | ||
1010 | fail: | |
1011 | efx_ef10_remove(efx); | |
1012 | return rc; | |
1013 | } | |
1014 | #else | |
1015 | static int efx_ef10_probe_vf(struct efx_nic *efx __attribute__ ((unused))) | |
1016 | { | |
1017 | return 0; | |
1018 | } | |
1019 | #endif | |
1020 | ||
8127d661 BH |
1021 | static int efx_ef10_alloc_vis(struct efx_nic *efx, |
1022 | unsigned int min_vis, unsigned int max_vis) | |
1023 | { | |
1024 | MCDI_DECLARE_BUF(inbuf, MC_CMD_ALLOC_VIS_IN_LEN); | |
1025 | MCDI_DECLARE_BUF(outbuf, MC_CMD_ALLOC_VIS_OUT_LEN); | |
1026 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1027 | size_t outlen; | |
1028 | int rc; | |
1029 | ||
1030 | MCDI_SET_DWORD(inbuf, ALLOC_VIS_IN_MIN_VI_COUNT, min_vis); | |
1031 | MCDI_SET_DWORD(inbuf, ALLOC_VIS_IN_MAX_VI_COUNT, max_vis); | |
1032 | rc = efx_mcdi_rpc(efx, MC_CMD_ALLOC_VIS, inbuf, sizeof(inbuf), | |
1033 | outbuf, sizeof(outbuf), &outlen); | |
1034 | if (rc != 0) | |
1035 | return rc; | |
1036 | ||
1037 | if (outlen < MC_CMD_ALLOC_VIS_OUT_LEN) | |
1038 | return -EIO; | |
1039 | ||
1040 | netif_dbg(efx, drv, efx->net_dev, "base VI is A0x%03x\n", | |
1041 | MCDI_DWORD(outbuf, ALLOC_VIS_OUT_VI_BASE)); | |
1042 | ||
1043 | nic_data->vi_base = MCDI_DWORD(outbuf, ALLOC_VIS_OUT_VI_BASE); | |
1044 | nic_data->n_allocated_vis = MCDI_DWORD(outbuf, ALLOC_VIS_OUT_VI_COUNT); | |
1045 | return 0; | |
1046 | } | |
1047 | ||
183233be BH |
1048 | /* Note that the failure path of this function does not free |
1049 | * resources, as this will be done by efx_ef10_remove(). | |
1050 | */ | |
8127d661 BH |
1051 | static int efx_ef10_dimension_resources(struct efx_nic *efx) |
1052 | { | |
183233be BH |
1053 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
1054 | unsigned int uc_mem_map_size, wc_mem_map_size; | |
b0fbdae1 SS |
1055 | unsigned int min_vis = max(EFX_TXQ_TYPES, |
1056 | efx_separate_tx_channels ? 2 : 1); | |
1057 | unsigned int channel_vis, pio_write_vi_base, max_vis; | |
183233be BH |
1058 | void __iomem *membase; |
1059 | int rc; | |
1060 | ||
b0fbdae1 | 1061 | channel_vis = max(efx->n_channels, efx->n_tx_channels * EFX_TXQ_TYPES); |
8127d661 | 1062 | |
183233be BH |
1063 | #ifdef EFX_USE_PIO |
1064 | /* Try to allocate PIO buffers if wanted and if the full | |
1065 | * number of PIO buffers would be sufficient to allocate one | |
1066 | * copy-buffer per TX channel. Failure is non-fatal, as there | |
1067 | * are only a small number of PIO buffers shared between all | |
1068 | * functions of the controller. | |
1069 | */ | |
1070 | if (efx_piobuf_size != 0 && | |
1071 | ER_DZ_TX_PIOBUF_SIZE / efx_piobuf_size * EF10_TX_PIOBUF_COUNT >= | |
1072 | efx->n_tx_channels) { | |
1073 | unsigned int n_piobufs = | |
1074 | DIV_ROUND_UP(efx->n_tx_channels, | |
1075 | ER_DZ_TX_PIOBUF_SIZE / efx_piobuf_size); | |
1076 | ||
1077 | rc = efx_ef10_alloc_piobufs(efx, n_piobufs); | |
1078 | if (rc) | |
1079 | netif_err(efx, probe, efx->net_dev, | |
1080 | "failed to allocate PIO buffers (%d)\n", rc); | |
1081 | else | |
1082 | netif_dbg(efx, probe, efx->net_dev, | |
1083 | "allocated %u PIO buffers\n", n_piobufs); | |
1084 | } | |
1085 | #else | |
1086 | nic_data->n_piobufs = 0; | |
1087 | #endif | |
1088 | ||
1089 | /* PIO buffers should be mapped with write-combining enabled, | |
1090 | * and we want to make single UC and WC mappings rather than | |
1091 | * several of each (in fact that's the only option if host | |
1092 | * page size is >4K). So we may allocate some extra VIs just | |
1093 | * for writing PIO buffers through. | |
52ad762b | 1094 | * |
b0fbdae1 | 1095 | * The UC mapping contains (channel_vis - 1) complete VIs and the |
52ad762b DP |
1096 | * first half of the next VI. Then the WC mapping begins with |
1097 | * the second half of this last VI. | |
183233be | 1098 | */ |
b0fbdae1 | 1099 | uc_mem_map_size = PAGE_ALIGN((channel_vis - 1) * EFX_VI_PAGE_SIZE + |
183233be BH |
1100 | ER_DZ_TX_PIOBUF); |
1101 | if (nic_data->n_piobufs) { | |
52ad762b DP |
1102 | /* pio_write_vi_base rounds down to give the number of complete |
1103 | * VIs inside the UC mapping. | |
1104 | */ | |
183233be BH |
1105 | pio_write_vi_base = uc_mem_map_size / EFX_VI_PAGE_SIZE; |
1106 | wc_mem_map_size = (PAGE_ALIGN((pio_write_vi_base + | |
1107 | nic_data->n_piobufs) * | |
1108 | EFX_VI_PAGE_SIZE) - | |
1109 | uc_mem_map_size); | |
1110 | max_vis = pio_write_vi_base + nic_data->n_piobufs; | |
1111 | } else { | |
1112 | pio_write_vi_base = 0; | |
1113 | wc_mem_map_size = 0; | |
b0fbdae1 | 1114 | max_vis = channel_vis; |
183233be BH |
1115 | } |
1116 | ||
1117 | /* In case the last attached driver failed to free VIs, do it now */ | |
1118 | rc = efx_ef10_free_vis(efx); | |
1119 | if (rc != 0) | |
1120 | return rc; | |
1121 | ||
1122 | rc = efx_ef10_alloc_vis(efx, min_vis, max_vis); | |
1123 | if (rc != 0) | |
1124 | return rc; | |
1125 | ||
b0fbdae1 SS |
1126 | if (nic_data->n_allocated_vis < channel_vis) { |
1127 | netif_info(efx, drv, efx->net_dev, | |
1128 | "Could not allocate enough VIs to satisfy RSS" | |
1129 | " requirements. Performance may not be optimal.\n"); | |
1130 | /* We didn't get the VIs to populate our channels. | |
1131 | * We could keep what we got but then we'd have more | |
1132 | * interrupts than we need. | |
1133 | * Instead calculate new max_channels and restart | |
1134 | */ | |
1135 | efx->max_channels = nic_data->n_allocated_vis; | |
1136 | efx->max_tx_channels = | |
1137 | nic_data->n_allocated_vis / EFX_TXQ_TYPES; | |
1138 | ||
1139 | efx_ef10_free_vis(efx); | |
1140 | return -EAGAIN; | |
1141 | } | |
1142 | ||
183233be BH |
1143 | /* If we didn't get enough VIs to map all the PIO buffers, free the |
1144 | * PIO buffers | |
1145 | */ | |
1146 | if (nic_data->n_piobufs && | |
1147 | nic_data->n_allocated_vis < | |
1148 | pio_write_vi_base + nic_data->n_piobufs) { | |
1149 | netif_dbg(efx, probe, efx->net_dev, | |
1150 | "%u VIs are not sufficient to map %u PIO buffers\n", | |
1151 | nic_data->n_allocated_vis, nic_data->n_piobufs); | |
1152 | efx_ef10_free_piobufs(efx); | |
1153 | } | |
1154 | ||
1155 | /* Shrink the original UC mapping of the memory BAR */ | |
1156 | membase = ioremap_nocache(efx->membase_phys, uc_mem_map_size); | |
1157 | if (!membase) { | |
1158 | netif_err(efx, probe, efx->net_dev, | |
1159 | "could not shrink memory BAR to %x\n", | |
1160 | uc_mem_map_size); | |
1161 | return -ENOMEM; | |
1162 | } | |
1163 | iounmap(efx->membase); | |
1164 | efx->membase = membase; | |
1165 | ||
1166 | /* Set up the WC mapping if needed */ | |
1167 | if (wc_mem_map_size) { | |
1168 | nic_data->wc_membase = ioremap_wc(efx->membase_phys + | |
1169 | uc_mem_map_size, | |
1170 | wc_mem_map_size); | |
1171 | if (!nic_data->wc_membase) { | |
1172 | netif_err(efx, probe, efx->net_dev, | |
1173 | "could not allocate WC mapping of size %x\n", | |
1174 | wc_mem_map_size); | |
1175 | return -ENOMEM; | |
1176 | } | |
1177 | nic_data->pio_write_vi_base = pio_write_vi_base; | |
1178 | nic_data->pio_write_base = | |
1179 | nic_data->wc_membase + | |
1180 | (pio_write_vi_base * EFX_VI_PAGE_SIZE + ER_DZ_TX_PIOBUF - | |
1181 | uc_mem_map_size); | |
1182 | ||
1183 | rc = efx_ef10_link_piobufs(efx); | |
1184 | if (rc) | |
1185 | efx_ef10_free_piobufs(efx); | |
1186 | } | |
1187 | ||
1188 | netif_dbg(efx, probe, efx->net_dev, | |
1189 | "memory BAR at %pa (virtual %p+%x UC, %p+%x WC)\n", | |
1190 | &efx->membase_phys, efx->membase, uc_mem_map_size, | |
1191 | nic_data->wc_membase, wc_mem_map_size); | |
1192 | ||
1193 | return 0; | |
8127d661 BH |
1194 | } |
1195 | ||
1196 | static int efx_ef10_init_nic(struct efx_nic *efx) | |
1197 | { | |
1198 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1199 | int rc; | |
1200 | ||
a915ccc9 BH |
1201 | if (nic_data->must_check_datapath_caps) { |
1202 | rc = efx_ef10_init_datapath_caps(efx); | |
1203 | if (rc) | |
1204 | return rc; | |
1205 | nic_data->must_check_datapath_caps = false; | |
1206 | } | |
1207 | ||
8127d661 BH |
1208 | if (nic_data->must_realloc_vis) { |
1209 | /* We cannot let the number of VIs change now */ | |
1210 | rc = efx_ef10_alloc_vis(efx, nic_data->n_allocated_vis, | |
1211 | nic_data->n_allocated_vis); | |
1212 | if (rc) | |
1213 | return rc; | |
1214 | nic_data->must_realloc_vis = false; | |
1215 | } | |
1216 | ||
183233be BH |
1217 | if (nic_data->must_restore_piobufs && nic_data->n_piobufs) { |
1218 | rc = efx_ef10_alloc_piobufs(efx, nic_data->n_piobufs); | |
1219 | if (rc == 0) { | |
1220 | rc = efx_ef10_link_piobufs(efx); | |
1221 | if (rc) | |
1222 | efx_ef10_free_piobufs(efx); | |
1223 | } | |
1224 | ||
1225 | /* Log an error on failure, but this is non-fatal */ | |
1226 | if (rc) | |
1227 | netif_err(efx, drv, efx->net_dev, | |
1228 | "failed to restore PIO buffers (%d)\n", rc); | |
1229 | nic_data->must_restore_piobufs = false; | |
1230 | } | |
1231 | ||
267c0157 JC |
1232 | /* don't fail init if RSS setup doesn't work */ |
1233 | efx->type->rx_push_rss_config(efx, false, efx->rx_indir_table); | |
1234 | ||
8127d661 BH |
1235 | return 0; |
1236 | } | |
1237 | ||
3e336261 JC |
1238 | static void efx_ef10_reset_mc_allocations(struct efx_nic *efx) |
1239 | { | |
1240 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
774ad031 DP |
1241 | #ifdef CONFIG_SFC_SRIOV |
1242 | unsigned int i; | |
1243 | #endif | |
3e336261 JC |
1244 | |
1245 | /* All our allocations have been reset */ | |
1246 | nic_data->must_realloc_vis = true; | |
1247 | nic_data->must_restore_filters = true; | |
1248 | nic_data->must_restore_piobufs = true; | |
c0795bf6 | 1249 | efx_ef10_forget_old_piobufs(efx); |
3e336261 | 1250 | nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; |
774ad031 DP |
1251 | |
1252 | /* Driver-created vswitches and vports must be re-created */ | |
1253 | nic_data->must_probe_vswitching = true; | |
1254 | nic_data->vport_id = EVB_PORT_ID_ASSIGNED; | |
1255 | #ifdef CONFIG_SFC_SRIOV | |
1256 | if (nic_data->vf) | |
1257 | for (i = 0; i < efx->vf_count; i++) | |
1258 | nic_data->vf[i].vport_id = 0; | |
1259 | #endif | |
3e336261 JC |
1260 | } |
1261 | ||
087e9025 JC |
1262 | static enum reset_type efx_ef10_map_reset_reason(enum reset_type reason) |
1263 | { | |
1264 | if (reason == RESET_TYPE_MC_FAILURE) | |
1265 | return RESET_TYPE_DATAPATH; | |
1266 | ||
1267 | return efx_mcdi_map_reset_reason(reason); | |
1268 | } | |
1269 | ||
8127d661 BH |
1270 | static int efx_ef10_map_reset_flags(u32 *flags) |
1271 | { | |
1272 | enum { | |
1273 | EF10_RESET_PORT = ((ETH_RESET_MAC | ETH_RESET_PHY) << | |
1274 | ETH_RESET_SHARED_SHIFT), | |
1275 | EF10_RESET_MC = ((ETH_RESET_DMA | ETH_RESET_FILTER | | |
1276 | ETH_RESET_OFFLOAD | ETH_RESET_MAC | | |
1277 | ETH_RESET_PHY | ETH_RESET_MGMT) << | |
1278 | ETH_RESET_SHARED_SHIFT) | |
1279 | }; | |
1280 | ||
1281 | /* We assume for now that our PCI function is permitted to | |
1282 | * reset everything. | |
1283 | */ | |
1284 | ||
1285 | if ((*flags & EF10_RESET_MC) == EF10_RESET_MC) { | |
1286 | *flags &= ~EF10_RESET_MC; | |
1287 | return RESET_TYPE_WORLD; | |
1288 | } | |
1289 | ||
1290 | if ((*flags & EF10_RESET_PORT) == EF10_RESET_PORT) { | |
1291 | *flags &= ~EF10_RESET_PORT; | |
1292 | return RESET_TYPE_ALL; | |
1293 | } | |
1294 | ||
1295 | /* no invisible reset implemented */ | |
1296 | ||
1297 | return -EINVAL; | |
1298 | } | |
1299 | ||
3e336261 JC |
1300 | static int efx_ef10_reset(struct efx_nic *efx, enum reset_type reset_type) |
1301 | { | |
1302 | int rc = efx_mcdi_reset(efx, reset_type); | |
1303 | ||
27324820 DP |
1304 | /* Unprivileged functions return -EPERM, but need to return success |
1305 | * here so that the datapath is brought back up. | |
1306 | */ | |
1307 | if (reset_type == RESET_TYPE_WORLD && rc == -EPERM) | |
1308 | rc = 0; | |
1309 | ||
3e336261 JC |
1310 | /* If it was a port reset, trigger reallocation of MC resources. |
1311 | * Note that on an MC reset nothing needs to be done now because we'll | |
1312 | * detect the MC reset later and handle it then. | |
e283546c EC |
1313 | * For an FLR, we never get an MC reset event, but the MC has reset all |
1314 | * resources assigned to us, so we have to trigger reallocation now. | |
3e336261 | 1315 | */ |
e283546c EC |
1316 | if ((reset_type == RESET_TYPE_ALL || |
1317 | reset_type == RESET_TYPE_MCDI_TIMEOUT) && !rc) | |
3e336261 JC |
1318 | efx_ef10_reset_mc_allocations(efx); |
1319 | return rc; | |
1320 | } | |
1321 | ||
8127d661 BH |
1322 | #define EF10_DMA_STAT(ext_name, mcdi_name) \ |
1323 | [EF10_STAT_ ## ext_name] = \ | |
1324 | { #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name } | |
1325 | #define EF10_DMA_INVIS_STAT(int_name, mcdi_name) \ | |
1326 | [EF10_STAT_ ## int_name] = \ | |
1327 | { NULL, 64, 8 * MC_CMD_MAC_ ## mcdi_name } | |
1328 | #define EF10_OTHER_STAT(ext_name) \ | |
1329 | [EF10_STAT_ ## ext_name] = { #ext_name, 0, 0 } | |
e4d112e4 EC |
1330 | #define GENERIC_SW_STAT(ext_name) \ |
1331 | [GENERIC_STAT_ ## ext_name] = { #ext_name, 0, 0 } | |
8127d661 BH |
1332 | |
1333 | static const struct efx_hw_stat_desc efx_ef10_stat_desc[EF10_STAT_COUNT] = { | |
e80ca013 DP |
1334 | EF10_DMA_STAT(port_tx_bytes, TX_BYTES), |
1335 | EF10_DMA_STAT(port_tx_packets, TX_PKTS), | |
1336 | EF10_DMA_STAT(port_tx_pause, TX_PAUSE_PKTS), | |
1337 | EF10_DMA_STAT(port_tx_control, TX_CONTROL_PKTS), | |
1338 | EF10_DMA_STAT(port_tx_unicast, TX_UNICAST_PKTS), | |
1339 | EF10_DMA_STAT(port_tx_multicast, TX_MULTICAST_PKTS), | |
1340 | EF10_DMA_STAT(port_tx_broadcast, TX_BROADCAST_PKTS), | |
1341 | EF10_DMA_STAT(port_tx_lt64, TX_LT64_PKTS), | |
1342 | EF10_DMA_STAT(port_tx_64, TX_64_PKTS), | |
1343 | EF10_DMA_STAT(port_tx_65_to_127, TX_65_TO_127_PKTS), | |
1344 | EF10_DMA_STAT(port_tx_128_to_255, TX_128_TO_255_PKTS), | |
1345 | EF10_DMA_STAT(port_tx_256_to_511, TX_256_TO_511_PKTS), | |
1346 | EF10_DMA_STAT(port_tx_512_to_1023, TX_512_TO_1023_PKTS), | |
1347 | EF10_DMA_STAT(port_tx_1024_to_15xx, TX_1024_TO_15XX_PKTS), | |
1348 | EF10_DMA_STAT(port_tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS), | |
1349 | EF10_DMA_STAT(port_rx_bytes, RX_BYTES), | |
1350 | EF10_DMA_INVIS_STAT(port_rx_bytes_minus_good_bytes, RX_BAD_BYTES), | |
1351 | EF10_OTHER_STAT(port_rx_good_bytes), | |
1352 | EF10_OTHER_STAT(port_rx_bad_bytes), | |
1353 | EF10_DMA_STAT(port_rx_packets, RX_PKTS), | |
1354 | EF10_DMA_STAT(port_rx_good, RX_GOOD_PKTS), | |
1355 | EF10_DMA_STAT(port_rx_bad, RX_BAD_FCS_PKTS), | |
1356 | EF10_DMA_STAT(port_rx_pause, RX_PAUSE_PKTS), | |
1357 | EF10_DMA_STAT(port_rx_control, RX_CONTROL_PKTS), | |
1358 | EF10_DMA_STAT(port_rx_unicast, RX_UNICAST_PKTS), | |
1359 | EF10_DMA_STAT(port_rx_multicast, RX_MULTICAST_PKTS), | |
1360 | EF10_DMA_STAT(port_rx_broadcast, RX_BROADCAST_PKTS), | |
1361 | EF10_DMA_STAT(port_rx_lt64, RX_UNDERSIZE_PKTS), | |
1362 | EF10_DMA_STAT(port_rx_64, RX_64_PKTS), | |
1363 | EF10_DMA_STAT(port_rx_65_to_127, RX_65_TO_127_PKTS), | |
1364 | EF10_DMA_STAT(port_rx_128_to_255, RX_128_TO_255_PKTS), | |
1365 | EF10_DMA_STAT(port_rx_256_to_511, RX_256_TO_511_PKTS), | |
1366 | EF10_DMA_STAT(port_rx_512_to_1023, RX_512_TO_1023_PKTS), | |
1367 | EF10_DMA_STAT(port_rx_1024_to_15xx, RX_1024_TO_15XX_PKTS), | |
1368 | EF10_DMA_STAT(port_rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS), | |
1369 | EF10_DMA_STAT(port_rx_gtjumbo, RX_GTJUMBO_PKTS), | |
1370 | EF10_DMA_STAT(port_rx_bad_gtjumbo, RX_JABBER_PKTS), | |
1371 | EF10_DMA_STAT(port_rx_overflow, RX_OVERFLOW_PKTS), | |
1372 | EF10_DMA_STAT(port_rx_align_error, RX_ALIGN_ERROR_PKTS), | |
1373 | EF10_DMA_STAT(port_rx_length_error, RX_LENGTH_ERROR_PKTS), | |
1374 | EF10_DMA_STAT(port_rx_nodesc_drops, RX_NODESC_DROPS), | |
e4d112e4 EC |
1375 | GENERIC_SW_STAT(rx_nodesc_trunc), |
1376 | GENERIC_SW_STAT(rx_noskb_drops), | |
e80ca013 DP |
1377 | EF10_DMA_STAT(port_rx_pm_trunc_bb_overflow, PM_TRUNC_BB_OVERFLOW), |
1378 | EF10_DMA_STAT(port_rx_pm_discard_bb_overflow, PM_DISCARD_BB_OVERFLOW), | |
1379 | EF10_DMA_STAT(port_rx_pm_trunc_vfifo_full, PM_TRUNC_VFIFO_FULL), | |
1380 | EF10_DMA_STAT(port_rx_pm_discard_vfifo_full, PM_DISCARD_VFIFO_FULL), | |
1381 | EF10_DMA_STAT(port_rx_pm_trunc_qbb, PM_TRUNC_QBB), | |
1382 | EF10_DMA_STAT(port_rx_pm_discard_qbb, PM_DISCARD_QBB), | |
1383 | EF10_DMA_STAT(port_rx_pm_discard_mapping, PM_DISCARD_MAPPING), | |
1384 | EF10_DMA_STAT(port_rx_dp_q_disabled_packets, RXDP_Q_DISABLED_PKTS), | |
1385 | EF10_DMA_STAT(port_rx_dp_di_dropped_packets, RXDP_DI_DROPPED_PKTS), | |
1386 | EF10_DMA_STAT(port_rx_dp_streaming_packets, RXDP_STREAMING_PKTS), | |
1387 | EF10_DMA_STAT(port_rx_dp_hlb_fetch, RXDP_HLB_FETCH_CONDITIONS), | |
1388 | EF10_DMA_STAT(port_rx_dp_hlb_wait, RXDP_HLB_WAIT_CONDITIONS), | |
3c36a2ad DP |
1389 | EF10_DMA_STAT(rx_unicast, VADAPTER_RX_UNICAST_PACKETS), |
1390 | EF10_DMA_STAT(rx_unicast_bytes, VADAPTER_RX_UNICAST_BYTES), | |
1391 | EF10_DMA_STAT(rx_multicast, VADAPTER_RX_MULTICAST_PACKETS), | |
1392 | EF10_DMA_STAT(rx_multicast_bytes, VADAPTER_RX_MULTICAST_BYTES), | |
1393 | EF10_DMA_STAT(rx_broadcast, VADAPTER_RX_BROADCAST_PACKETS), | |
1394 | EF10_DMA_STAT(rx_broadcast_bytes, VADAPTER_RX_BROADCAST_BYTES), | |
1395 | EF10_DMA_STAT(rx_bad, VADAPTER_RX_BAD_PACKETS), | |
1396 | EF10_DMA_STAT(rx_bad_bytes, VADAPTER_RX_BAD_BYTES), | |
1397 | EF10_DMA_STAT(rx_overflow, VADAPTER_RX_OVERFLOW), | |
1398 | EF10_DMA_STAT(tx_unicast, VADAPTER_TX_UNICAST_PACKETS), | |
1399 | EF10_DMA_STAT(tx_unicast_bytes, VADAPTER_TX_UNICAST_BYTES), | |
1400 | EF10_DMA_STAT(tx_multicast, VADAPTER_TX_MULTICAST_PACKETS), | |
1401 | EF10_DMA_STAT(tx_multicast_bytes, VADAPTER_TX_MULTICAST_BYTES), | |
1402 | EF10_DMA_STAT(tx_broadcast, VADAPTER_TX_BROADCAST_PACKETS), | |
1403 | EF10_DMA_STAT(tx_broadcast_bytes, VADAPTER_TX_BROADCAST_BYTES), | |
1404 | EF10_DMA_STAT(tx_bad, VADAPTER_TX_BAD_PACKETS), | |
1405 | EF10_DMA_STAT(tx_bad_bytes, VADAPTER_TX_BAD_BYTES), | |
1406 | EF10_DMA_STAT(tx_overflow, VADAPTER_TX_OVERFLOW), | |
8127d661 BH |
1407 | }; |
1408 | ||
e80ca013 DP |
1409 | #define HUNT_COMMON_STAT_MASK ((1ULL << EF10_STAT_port_tx_bytes) | \ |
1410 | (1ULL << EF10_STAT_port_tx_packets) | \ | |
1411 | (1ULL << EF10_STAT_port_tx_pause) | \ | |
1412 | (1ULL << EF10_STAT_port_tx_unicast) | \ | |
1413 | (1ULL << EF10_STAT_port_tx_multicast) | \ | |
1414 | (1ULL << EF10_STAT_port_tx_broadcast) | \ | |
1415 | (1ULL << EF10_STAT_port_rx_bytes) | \ | |
1416 | (1ULL << \ | |
1417 | EF10_STAT_port_rx_bytes_minus_good_bytes) | \ | |
1418 | (1ULL << EF10_STAT_port_rx_good_bytes) | \ | |
1419 | (1ULL << EF10_STAT_port_rx_bad_bytes) | \ | |
1420 | (1ULL << EF10_STAT_port_rx_packets) | \ | |
1421 | (1ULL << EF10_STAT_port_rx_good) | \ | |
1422 | (1ULL << EF10_STAT_port_rx_bad) | \ | |
1423 | (1ULL << EF10_STAT_port_rx_pause) | \ | |
1424 | (1ULL << EF10_STAT_port_rx_control) | \ | |
1425 | (1ULL << EF10_STAT_port_rx_unicast) | \ | |
1426 | (1ULL << EF10_STAT_port_rx_multicast) | \ | |
1427 | (1ULL << EF10_STAT_port_rx_broadcast) | \ | |
1428 | (1ULL << EF10_STAT_port_rx_lt64) | \ | |
1429 | (1ULL << EF10_STAT_port_rx_64) | \ | |
1430 | (1ULL << EF10_STAT_port_rx_65_to_127) | \ | |
1431 | (1ULL << EF10_STAT_port_rx_128_to_255) | \ | |
1432 | (1ULL << EF10_STAT_port_rx_256_to_511) | \ | |
1433 | (1ULL << EF10_STAT_port_rx_512_to_1023) |\ | |
1434 | (1ULL << EF10_STAT_port_rx_1024_to_15xx) |\ | |
1435 | (1ULL << EF10_STAT_port_rx_15xx_to_jumbo) |\ | |
1436 | (1ULL << EF10_STAT_port_rx_gtjumbo) | \ | |
1437 | (1ULL << EF10_STAT_port_rx_bad_gtjumbo) |\ | |
1438 | (1ULL << EF10_STAT_port_rx_overflow) | \ | |
1439 | (1ULL << EF10_STAT_port_rx_nodesc_drops) |\ | |
e4d112e4 EC |
1440 | (1ULL << GENERIC_STAT_rx_nodesc_trunc) | \ |
1441 | (1ULL << GENERIC_STAT_rx_noskb_drops)) | |
8127d661 BH |
1442 | |
1443 | /* These statistics are only provided by the 10G MAC. For a 10G/40G | |
1444 | * switchable port we do not expose these because they might not | |
1445 | * include all the packets they should. | |
1446 | */ | |
e80ca013 DP |
1447 | #define HUNT_10G_ONLY_STAT_MASK ((1ULL << EF10_STAT_port_tx_control) | \ |
1448 | (1ULL << EF10_STAT_port_tx_lt64) | \ | |
1449 | (1ULL << EF10_STAT_port_tx_64) | \ | |
1450 | (1ULL << EF10_STAT_port_tx_65_to_127) |\ | |
1451 | (1ULL << EF10_STAT_port_tx_128_to_255) |\ | |
1452 | (1ULL << EF10_STAT_port_tx_256_to_511) |\ | |
1453 | (1ULL << EF10_STAT_port_tx_512_to_1023) |\ | |
1454 | (1ULL << EF10_STAT_port_tx_1024_to_15xx) |\ | |
1455 | (1ULL << EF10_STAT_port_tx_15xx_to_jumbo)) | |
8127d661 BH |
1456 | |
1457 | /* These statistics are only provided by the 40G MAC. For a 10G/40G | |
1458 | * switchable port we do expose these because the errors will otherwise | |
1459 | * be silent. | |
1460 | */ | |
e80ca013 DP |
1461 | #define HUNT_40G_EXTRA_STAT_MASK ((1ULL << EF10_STAT_port_rx_align_error) |\ |
1462 | (1ULL << EF10_STAT_port_rx_length_error)) | |
8127d661 | 1463 | |
568d7a00 EC |
1464 | /* These statistics are only provided if the firmware supports the |
1465 | * capability PM_AND_RXDP_COUNTERS. | |
1466 | */ | |
1467 | #define HUNT_PM_AND_RXDP_STAT_MASK ( \ | |
e80ca013 DP |
1468 | (1ULL << EF10_STAT_port_rx_pm_trunc_bb_overflow) | \ |
1469 | (1ULL << EF10_STAT_port_rx_pm_discard_bb_overflow) | \ | |
1470 | (1ULL << EF10_STAT_port_rx_pm_trunc_vfifo_full) | \ | |
1471 | (1ULL << EF10_STAT_port_rx_pm_discard_vfifo_full) | \ | |
1472 | (1ULL << EF10_STAT_port_rx_pm_trunc_qbb) | \ | |
1473 | (1ULL << EF10_STAT_port_rx_pm_discard_qbb) | \ | |
1474 | (1ULL << EF10_STAT_port_rx_pm_discard_mapping) | \ | |
1475 | (1ULL << EF10_STAT_port_rx_dp_q_disabled_packets) | \ | |
1476 | (1ULL << EF10_STAT_port_rx_dp_di_dropped_packets) | \ | |
1477 | (1ULL << EF10_STAT_port_rx_dp_streaming_packets) | \ | |
1478 | (1ULL << EF10_STAT_port_rx_dp_hlb_fetch) | \ | |
1479 | (1ULL << EF10_STAT_port_rx_dp_hlb_wait)) | |
568d7a00 | 1480 | |
4bae913b | 1481 | static u64 efx_ef10_raw_stat_mask(struct efx_nic *efx) |
8127d661 | 1482 | { |
4bae913b | 1483 | u64 raw_mask = HUNT_COMMON_STAT_MASK; |
8127d661 | 1484 | u32 port_caps = efx_mcdi_phy_get_caps(efx); |
568d7a00 | 1485 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
8127d661 | 1486 | |
3c36a2ad DP |
1487 | if (!(efx->mcdi->fn_flags & |
1488 | 1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL)) | |
1489 | return 0; | |
1490 | ||
8127d661 | 1491 | if (port_caps & (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) |
4bae913b | 1492 | raw_mask |= HUNT_40G_EXTRA_STAT_MASK; |
8127d661 | 1493 | else |
4bae913b | 1494 | raw_mask |= HUNT_10G_ONLY_STAT_MASK; |
568d7a00 EC |
1495 | |
1496 | if (nic_data->datapath_caps & | |
1497 | (1 << MC_CMD_GET_CAPABILITIES_OUT_PM_AND_RXDP_COUNTERS_LBN)) | |
1498 | raw_mask |= HUNT_PM_AND_RXDP_STAT_MASK; | |
1499 | ||
4bae913b EC |
1500 | return raw_mask; |
1501 | } | |
1502 | ||
1503 | static void efx_ef10_get_stat_mask(struct efx_nic *efx, unsigned long *mask) | |
1504 | { | |
d94619cd | 1505 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
3c36a2ad DP |
1506 | u64 raw_mask[2]; |
1507 | ||
1508 | raw_mask[0] = efx_ef10_raw_stat_mask(efx); | |
1509 | ||
d94619cd DP |
1510 | /* Only show vadaptor stats when EVB capability is present */ |
1511 | if (nic_data->datapath_caps & | |
1512 | (1 << MC_CMD_GET_CAPABILITIES_OUT_EVB_LBN)) { | |
1513 | raw_mask[0] |= ~((1ULL << EF10_STAT_rx_unicast) - 1); | |
1514 | raw_mask[1] = (1ULL << (EF10_STAT_COUNT - 63)) - 1; | |
1515 | } else { | |
1516 | raw_mask[1] = 0; | |
1517 | } | |
4bae913b EC |
1518 | |
1519 | #if BITS_PER_LONG == 64 | |
3c36a2ad DP |
1520 | mask[0] = raw_mask[0]; |
1521 | mask[1] = raw_mask[1]; | |
4bae913b | 1522 | #else |
3c36a2ad DP |
1523 | mask[0] = raw_mask[0] & 0xffffffff; |
1524 | mask[1] = raw_mask[0] >> 32; | |
1525 | mask[2] = raw_mask[1] & 0xffffffff; | |
1526 | mask[3] = raw_mask[1] >> 32; | |
4bae913b | 1527 | #endif |
8127d661 BH |
1528 | } |
1529 | ||
1530 | static size_t efx_ef10_describe_stats(struct efx_nic *efx, u8 *names) | |
1531 | { | |
4bae913b EC |
1532 | DECLARE_BITMAP(mask, EF10_STAT_COUNT); |
1533 | ||
1534 | efx_ef10_get_stat_mask(efx, mask); | |
8127d661 | 1535 | return efx_nic_describe_stats(efx_ef10_stat_desc, EF10_STAT_COUNT, |
4bae913b | 1536 | mask, names); |
8127d661 BH |
1537 | } |
1538 | ||
d7788196 DP |
1539 | static size_t efx_ef10_update_stats_common(struct efx_nic *efx, u64 *full_stats, |
1540 | struct rtnl_link_stats64 *core_stats) | |
1541 | { | |
1542 | DECLARE_BITMAP(mask, EF10_STAT_COUNT); | |
1543 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1544 | u64 *stats = nic_data->stats; | |
1545 | size_t stats_count = 0, index; | |
1546 | ||
1547 | efx_ef10_get_stat_mask(efx, mask); | |
1548 | ||
1549 | if (full_stats) { | |
1550 | for_each_set_bit(index, mask, EF10_STAT_COUNT) { | |
1551 | if (efx_ef10_stat_desc[index].name) { | |
1552 | *full_stats++ = stats[index]; | |
1553 | ++stats_count; | |
1554 | } | |
1555 | } | |
1556 | } | |
1557 | ||
fbe4307e BK |
1558 | if (!core_stats) |
1559 | return stats_count; | |
1560 | ||
1561 | if (nic_data->datapath_caps & | |
1562 | 1 << MC_CMD_GET_CAPABILITIES_OUT_EVB_LBN) { | |
1563 | /* Use vadaptor stats. */ | |
0fc95fca DP |
1564 | core_stats->rx_packets = stats[EF10_STAT_rx_unicast] + |
1565 | stats[EF10_STAT_rx_multicast] + | |
1566 | stats[EF10_STAT_rx_broadcast]; | |
1567 | core_stats->tx_packets = stats[EF10_STAT_tx_unicast] + | |
1568 | stats[EF10_STAT_tx_multicast] + | |
1569 | stats[EF10_STAT_tx_broadcast]; | |
1570 | core_stats->rx_bytes = stats[EF10_STAT_rx_unicast_bytes] + | |
1571 | stats[EF10_STAT_rx_multicast_bytes] + | |
1572 | stats[EF10_STAT_rx_broadcast_bytes]; | |
1573 | core_stats->tx_bytes = stats[EF10_STAT_tx_unicast_bytes] + | |
1574 | stats[EF10_STAT_tx_multicast_bytes] + | |
1575 | stats[EF10_STAT_tx_broadcast_bytes]; | |
1576 | core_stats->rx_dropped = stats[GENERIC_STAT_rx_nodesc_trunc] + | |
d7788196 | 1577 | stats[GENERIC_STAT_rx_noskb_drops]; |
0fc95fca DP |
1578 | core_stats->multicast = stats[EF10_STAT_rx_multicast]; |
1579 | core_stats->rx_crc_errors = stats[EF10_STAT_rx_bad]; | |
1580 | core_stats->rx_fifo_errors = stats[EF10_STAT_rx_overflow]; | |
1581 | core_stats->rx_errors = core_stats->rx_crc_errors; | |
1582 | core_stats->tx_errors = stats[EF10_STAT_tx_bad]; | |
fbe4307e BK |
1583 | } else { |
1584 | /* Use port stats. */ | |
1585 | core_stats->rx_packets = stats[EF10_STAT_port_rx_packets]; | |
1586 | core_stats->tx_packets = stats[EF10_STAT_port_tx_packets]; | |
1587 | core_stats->rx_bytes = stats[EF10_STAT_port_rx_bytes]; | |
1588 | core_stats->tx_bytes = stats[EF10_STAT_port_tx_bytes]; | |
1589 | core_stats->rx_dropped = stats[EF10_STAT_port_rx_nodesc_drops] + | |
1590 | stats[GENERIC_STAT_rx_nodesc_trunc] + | |
1591 | stats[GENERIC_STAT_rx_noskb_drops]; | |
1592 | core_stats->multicast = stats[EF10_STAT_port_rx_multicast]; | |
1593 | core_stats->rx_length_errors = | |
1594 | stats[EF10_STAT_port_rx_gtjumbo] + | |
1595 | stats[EF10_STAT_port_rx_length_error]; | |
1596 | core_stats->rx_crc_errors = stats[EF10_STAT_port_rx_bad]; | |
1597 | core_stats->rx_frame_errors = | |
1598 | stats[EF10_STAT_port_rx_align_error]; | |
1599 | core_stats->rx_fifo_errors = stats[EF10_STAT_port_rx_overflow]; | |
1600 | core_stats->rx_errors = (core_stats->rx_length_errors + | |
1601 | core_stats->rx_crc_errors + | |
1602 | core_stats->rx_frame_errors); | |
d7788196 DP |
1603 | } |
1604 | ||
1605 | return stats_count; | |
1606 | } | |
1607 | ||
1608 | static int efx_ef10_try_update_nic_stats_pf(struct efx_nic *efx) | |
8127d661 BH |
1609 | { |
1610 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
4bae913b | 1611 | DECLARE_BITMAP(mask, EF10_STAT_COUNT); |
8127d661 BH |
1612 | __le64 generation_start, generation_end; |
1613 | u64 *stats = nic_data->stats; | |
1614 | __le64 *dma_stats; | |
1615 | ||
4bae913b EC |
1616 | efx_ef10_get_stat_mask(efx, mask); |
1617 | ||
8127d661 BH |
1618 | dma_stats = efx->stats_buffer.addr; |
1619 | nic_data = efx->nic_data; | |
1620 | ||
1621 | generation_end = dma_stats[MC_CMD_MAC_GENERATION_END]; | |
1622 | if (generation_end == EFX_MC_STATS_GENERATION_INVALID) | |
1623 | return 0; | |
1624 | rmb(); | |
4bae913b | 1625 | efx_nic_update_stats(efx_ef10_stat_desc, EF10_STAT_COUNT, mask, |
8127d661 | 1626 | stats, efx->stats_buffer.addr, false); |
d546a893 | 1627 | rmb(); |
8127d661 BH |
1628 | generation_start = dma_stats[MC_CMD_MAC_GENERATION_START]; |
1629 | if (generation_end != generation_start) | |
1630 | return -EAGAIN; | |
1631 | ||
1632 | /* Update derived statistics */ | |
e80ca013 DP |
1633 | efx_nic_fix_nodesc_drop_stat(efx, |
1634 | &stats[EF10_STAT_port_rx_nodesc_drops]); | |
1635 | stats[EF10_STAT_port_rx_good_bytes] = | |
1636 | stats[EF10_STAT_port_rx_bytes] - | |
1637 | stats[EF10_STAT_port_rx_bytes_minus_good_bytes]; | |
1638 | efx_update_diff_stat(&stats[EF10_STAT_port_rx_bad_bytes], | |
1639 | stats[EF10_STAT_port_rx_bytes_minus_good_bytes]); | |
e4d112e4 | 1640 | efx_update_sw_stats(efx, stats); |
8127d661 BH |
1641 | return 0; |
1642 | } | |
1643 | ||
1644 | ||
d7788196 DP |
1645 | static size_t efx_ef10_update_stats_pf(struct efx_nic *efx, u64 *full_stats, |
1646 | struct rtnl_link_stats64 *core_stats) | |
8127d661 | 1647 | { |
8127d661 BH |
1648 | int retry; |
1649 | ||
1650 | /* If we're unlucky enough to read statistics during the DMA, wait | |
1651 | * up to 10ms for it to finish (typically takes <500us) | |
1652 | */ | |
1653 | for (retry = 0; retry < 100; ++retry) { | |
d7788196 | 1654 | if (efx_ef10_try_update_nic_stats_pf(efx) == 0) |
8127d661 BH |
1655 | break; |
1656 | udelay(100); | |
1657 | } | |
1658 | ||
d7788196 DP |
1659 | return efx_ef10_update_stats_common(efx, full_stats, core_stats); |
1660 | } | |
8127d661 | 1661 | |
d7788196 DP |
1662 | static int efx_ef10_try_update_nic_stats_vf(struct efx_nic *efx) |
1663 | { | |
1664 | MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN); | |
1665 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1666 | DECLARE_BITMAP(mask, EF10_STAT_COUNT); | |
1667 | __le64 generation_start, generation_end; | |
1668 | u64 *stats = nic_data->stats; | |
1669 | u32 dma_len = MC_CMD_MAC_NSTATS * sizeof(u64); | |
1670 | struct efx_buffer stats_buf; | |
1671 | __le64 *dma_stats; | |
1672 | int rc; | |
1673 | ||
f00bf230 DP |
1674 | spin_unlock_bh(&efx->stats_lock); |
1675 | ||
1676 | if (in_interrupt()) { | |
1677 | /* If in atomic context, cannot update stats. Just update the | |
1678 | * software stats and return so the caller can continue. | |
1679 | */ | |
1680 | spin_lock_bh(&efx->stats_lock); | |
1681 | efx_update_sw_stats(efx, stats); | |
1682 | return 0; | |
1683 | } | |
1684 | ||
d7788196 DP |
1685 | efx_ef10_get_stat_mask(efx, mask); |
1686 | ||
1687 | rc = efx_nic_alloc_buffer(efx, &stats_buf, dma_len, GFP_ATOMIC); | |
f00bf230 DP |
1688 | if (rc) { |
1689 | spin_lock_bh(&efx->stats_lock); | |
d7788196 | 1690 | return rc; |
f00bf230 | 1691 | } |
d7788196 DP |
1692 | |
1693 | dma_stats = stats_buf.addr; | |
1694 | dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID; | |
1695 | ||
1696 | MCDI_SET_QWORD(inbuf, MAC_STATS_IN_DMA_ADDR, stats_buf.dma_addr); | |
1697 | MCDI_POPULATE_DWORD_1(inbuf, MAC_STATS_IN_CMD, | |
0fc95fca | 1698 | MAC_STATS_IN_DMA, 1); |
d7788196 DP |
1699 | MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len); |
1700 | MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, EVB_PORT_ID_ASSIGNED); | |
1701 | ||
6dd4859b DP |
1702 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf), |
1703 | NULL, 0, NULL); | |
d7788196 | 1704 | spin_lock_bh(&efx->stats_lock); |
6dd4859b DP |
1705 | if (rc) { |
1706 | /* Expect ENOENT if DMA queues have not been set up */ | |
1707 | if (rc != -ENOENT || atomic_read(&efx->active_queues)) | |
1708 | efx_mcdi_display_error(efx, MC_CMD_MAC_STATS, | |
1709 | sizeof(inbuf), NULL, 0, rc); | |
d7788196 | 1710 | goto out; |
6dd4859b | 1711 | } |
d7788196 DP |
1712 | |
1713 | generation_end = dma_stats[MC_CMD_MAC_GENERATION_END]; | |
0fc95fca DP |
1714 | if (generation_end == EFX_MC_STATS_GENERATION_INVALID) { |
1715 | WARN_ON_ONCE(1); | |
d7788196 | 1716 | goto out; |
0fc95fca | 1717 | } |
d7788196 DP |
1718 | rmb(); |
1719 | efx_nic_update_stats(efx_ef10_stat_desc, EF10_STAT_COUNT, mask, | |
1720 | stats, stats_buf.addr, false); | |
1721 | rmb(); | |
1722 | generation_start = dma_stats[MC_CMD_MAC_GENERATION_START]; | |
1723 | if (generation_end != generation_start) { | |
1724 | rc = -EAGAIN; | |
1725 | goto out; | |
8127d661 BH |
1726 | } |
1727 | ||
d7788196 DP |
1728 | efx_update_sw_stats(efx, stats); |
1729 | out: | |
1730 | efx_nic_free_buffer(efx, &stats_buf); | |
1731 | return rc; | |
1732 | } | |
1733 | ||
1734 | static size_t efx_ef10_update_stats_vf(struct efx_nic *efx, u64 *full_stats, | |
1735 | struct rtnl_link_stats64 *core_stats) | |
1736 | { | |
1737 | if (efx_ef10_try_update_nic_stats_vf(efx)) | |
1738 | return 0; | |
1739 | ||
1740 | return efx_ef10_update_stats_common(efx, full_stats, core_stats); | |
8127d661 BH |
1741 | } |
1742 | ||
1743 | static void efx_ef10_push_irq_moderation(struct efx_channel *channel) | |
1744 | { | |
1745 | struct efx_nic *efx = channel->efx; | |
1746 | unsigned int mode, value; | |
1747 | efx_dword_t timer_cmd; | |
1748 | ||
1749 | if (channel->irq_moderation) { | |
1750 | mode = 3; | |
1751 | value = channel->irq_moderation - 1; | |
1752 | } else { | |
1753 | mode = 0; | |
1754 | value = 0; | |
1755 | } | |
1756 | ||
1757 | if (EFX_EF10_WORKAROUND_35388(efx)) { | |
1758 | EFX_POPULATE_DWORD_3(timer_cmd, ERF_DD_EVQ_IND_TIMER_FLAGS, | |
1759 | EFE_DD_EVQ_IND_TIMER_FLAGS, | |
1760 | ERF_DD_EVQ_IND_TIMER_MODE, mode, | |
1761 | ERF_DD_EVQ_IND_TIMER_VAL, value); | |
1762 | efx_writed_page(efx, &timer_cmd, ER_DD_EVQ_INDIRECT, | |
1763 | channel->channel); | |
1764 | } else { | |
1765 | EFX_POPULATE_DWORD_2(timer_cmd, ERF_DZ_TC_TIMER_MODE, mode, | |
1766 | ERF_DZ_TC_TIMER_VAL, value); | |
1767 | efx_writed_page(efx, &timer_cmd, ER_DZ_EVQ_TMR, | |
1768 | channel->channel); | |
1769 | } | |
1770 | } | |
1771 | ||
02246a7f SS |
1772 | static void efx_ef10_get_wol_vf(struct efx_nic *efx, |
1773 | struct ethtool_wolinfo *wol) {} | |
1774 | ||
1775 | static int efx_ef10_set_wol_vf(struct efx_nic *efx, u32 type) | |
1776 | { | |
1777 | return -EOPNOTSUPP; | |
1778 | } | |
1779 | ||
8127d661 BH |
1780 | static void efx_ef10_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol) |
1781 | { | |
1782 | wol->supported = 0; | |
1783 | wol->wolopts = 0; | |
1784 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
1785 | } | |
1786 | ||
1787 | static int efx_ef10_set_wol(struct efx_nic *efx, u32 type) | |
1788 | { | |
1789 | if (type != 0) | |
1790 | return -EINVAL; | |
1791 | return 0; | |
1792 | } | |
1793 | ||
1794 | static void efx_ef10_mcdi_request(struct efx_nic *efx, | |
1795 | const efx_dword_t *hdr, size_t hdr_len, | |
1796 | const efx_dword_t *sdu, size_t sdu_len) | |
1797 | { | |
1798 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1799 | u8 *pdu = nic_data->mcdi_buf.addr; | |
1800 | ||
1801 | memcpy(pdu, hdr, hdr_len); | |
1802 | memcpy(pdu + hdr_len, sdu, sdu_len); | |
1803 | wmb(); | |
1804 | ||
1805 | /* The hardware provides 'low' and 'high' (doorbell) registers | |
1806 | * for passing the 64-bit address of an MCDI request to | |
1807 | * firmware. However the dwords are swapped by firmware. The | |
1808 | * least significant bits of the doorbell are then 0 for all | |
1809 | * MCDI requests due to alignment. | |
1810 | */ | |
1811 | _efx_writed(efx, cpu_to_le32((u64)nic_data->mcdi_buf.dma_addr >> 32), | |
1812 | ER_DZ_MC_DB_LWRD); | |
1813 | _efx_writed(efx, cpu_to_le32((u32)nic_data->mcdi_buf.dma_addr), | |
1814 | ER_DZ_MC_DB_HWRD); | |
1815 | } | |
1816 | ||
1817 | static bool efx_ef10_mcdi_poll_response(struct efx_nic *efx) | |
1818 | { | |
1819 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1820 | const efx_dword_t hdr = *(const efx_dword_t *)nic_data->mcdi_buf.addr; | |
1821 | ||
1822 | rmb(); | |
1823 | return EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE); | |
1824 | } | |
1825 | ||
1826 | static void | |
1827 | efx_ef10_mcdi_read_response(struct efx_nic *efx, efx_dword_t *outbuf, | |
1828 | size_t offset, size_t outlen) | |
1829 | { | |
1830 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1831 | const u8 *pdu = nic_data->mcdi_buf.addr; | |
1832 | ||
1833 | memcpy(outbuf, pdu + offset, outlen); | |
1834 | } | |
1835 | ||
c577e59e DP |
1836 | static void efx_ef10_mcdi_reboot_detected(struct efx_nic *efx) |
1837 | { | |
1838 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1839 | ||
1840 | /* All our allocations have been reset */ | |
1841 | efx_ef10_reset_mc_allocations(efx); | |
1842 | ||
1843 | /* The datapath firmware might have been changed */ | |
1844 | nic_data->must_check_datapath_caps = true; | |
1845 | ||
1846 | /* MAC statistics have been cleared on the NIC; clear the local | |
1847 | * statistic that we update with efx_update_diff_stat(). | |
1848 | */ | |
1849 | nic_data->stats[EF10_STAT_port_rx_bad_bytes] = 0; | |
1850 | } | |
1851 | ||
8127d661 BH |
1852 | static int efx_ef10_mcdi_poll_reboot(struct efx_nic *efx) |
1853 | { | |
1854 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
1855 | int rc; | |
1856 | ||
1857 | rc = efx_ef10_get_warm_boot_count(efx); | |
1858 | if (rc < 0) { | |
1859 | /* The firmware is presumably in the process of | |
1860 | * rebooting. However, we are supposed to report each | |
1861 | * reboot just once, so we must only do that once we | |
1862 | * can read and store the updated warm boot count. | |
1863 | */ | |
1864 | return 0; | |
1865 | } | |
1866 | ||
1867 | if (rc == nic_data->warm_boot_count) | |
1868 | return 0; | |
1869 | ||
1870 | nic_data->warm_boot_count = rc; | |
c577e59e | 1871 | efx_ef10_mcdi_reboot_detected(efx); |
869070c5 | 1872 | |
8127d661 BH |
1873 | return -EIO; |
1874 | } | |
1875 | ||
1876 | /* Handle an MSI interrupt | |
1877 | * | |
1878 | * Handle an MSI hardware interrupt. This routine schedules event | |
1879 | * queue processing. No interrupt acknowledgement cycle is necessary. | |
1880 | * Also, we never need to check that the interrupt is for us, since | |
1881 | * MSI interrupts cannot be shared. | |
1882 | */ | |
1883 | static irqreturn_t efx_ef10_msi_interrupt(int irq, void *dev_id) | |
1884 | { | |
1885 | struct efx_msi_context *context = dev_id; | |
1886 | struct efx_nic *efx = context->efx; | |
1887 | ||
1888 | netif_vdbg(efx, intr, efx->net_dev, | |
1889 | "IRQ %d on CPU %d\n", irq, raw_smp_processor_id()); | |
1890 | ||
1891 | if (likely(ACCESS_ONCE(efx->irq_soft_enabled))) { | |
1892 | /* Note test interrupts */ | |
1893 | if (context->index == efx->irq_level) | |
1894 | efx->last_irq_cpu = raw_smp_processor_id(); | |
1895 | ||
1896 | /* Schedule processing of the channel */ | |
1897 | efx_schedule_channel_irq(efx->channel[context->index]); | |
1898 | } | |
1899 | ||
1900 | return IRQ_HANDLED; | |
1901 | } | |
1902 | ||
1903 | static irqreturn_t efx_ef10_legacy_interrupt(int irq, void *dev_id) | |
1904 | { | |
1905 | struct efx_nic *efx = dev_id; | |
1906 | bool soft_enabled = ACCESS_ONCE(efx->irq_soft_enabled); | |
1907 | struct efx_channel *channel; | |
1908 | efx_dword_t reg; | |
1909 | u32 queues; | |
1910 | ||
1911 | /* Read the ISR which also ACKs the interrupts */ | |
1912 | efx_readd(efx, ®, ER_DZ_BIU_INT_ISR); | |
1913 | queues = EFX_DWORD_FIELD(reg, ERF_DZ_ISR_REG); | |
1914 | ||
1915 | if (queues == 0) | |
1916 | return IRQ_NONE; | |
1917 | ||
1918 | if (likely(soft_enabled)) { | |
1919 | /* Note test interrupts */ | |
1920 | if (queues & (1U << efx->irq_level)) | |
1921 | efx->last_irq_cpu = raw_smp_processor_id(); | |
1922 | ||
1923 | efx_for_each_channel(channel, efx) { | |
1924 | if (queues & 1) | |
1925 | efx_schedule_channel_irq(channel); | |
1926 | queues >>= 1; | |
1927 | } | |
1928 | } | |
1929 | ||
1930 | netif_vdbg(efx, intr, efx->net_dev, | |
1931 | "IRQ %d on CPU %d status " EFX_DWORD_FMT "\n", | |
1932 | irq, raw_smp_processor_id(), EFX_DWORD_VAL(reg)); | |
1933 | ||
1934 | return IRQ_HANDLED; | |
1935 | } | |
1936 | ||
1937 | static void efx_ef10_irq_test_generate(struct efx_nic *efx) | |
1938 | { | |
1939 | MCDI_DECLARE_BUF(inbuf, MC_CMD_TRIGGER_INTERRUPT_IN_LEN); | |
1940 | ||
1941 | BUILD_BUG_ON(MC_CMD_TRIGGER_INTERRUPT_OUT_LEN != 0); | |
1942 | ||
1943 | MCDI_SET_DWORD(inbuf, TRIGGER_INTERRUPT_IN_INTR_LEVEL, efx->irq_level); | |
1944 | (void) efx_mcdi_rpc(efx, MC_CMD_TRIGGER_INTERRUPT, | |
1945 | inbuf, sizeof(inbuf), NULL, 0, NULL); | |
1946 | } | |
1947 | ||
1948 | static int efx_ef10_tx_probe(struct efx_tx_queue *tx_queue) | |
1949 | { | |
1950 | return efx_nic_alloc_buffer(tx_queue->efx, &tx_queue->txd.buf, | |
1951 | (tx_queue->ptr_mask + 1) * | |
1952 | sizeof(efx_qword_t), | |
1953 | GFP_KERNEL); | |
1954 | } | |
1955 | ||
1956 | /* This writes to the TX_DESC_WPTR and also pushes data */ | |
1957 | static inline void efx_ef10_push_tx_desc(struct efx_tx_queue *tx_queue, | |
1958 | const efx_qword_t *txd) | |
1959 | { | |
1960 | unsigned int write_ptr; | |
1961 | efx_oword_t reg; | |
1962 | ||
1963 | write_ptr = tx_queue->write_count & tx_queue->ptr_mask; | |
1964 | EFX_POPULATE_OWORD_1(reg, ERF_DZ_TX_DESC_WPTR, write_ptr); | |
1965 | reg.qword[0] = *txd; | |
1966 | efx_writeo_page(tx_queue->efx, ®, | |
1967 | ER_DZ_TX_DESC_UPD, tx_queue->queue); | |
1968 | } | |
1969 | ||
1970 | static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue) | |
1971 | { | |
1972 | MCDI_DECLARE_BUF(inbuf, MC_CMD_INIT_TXQ_IN_LEN(EFX_MAX_DMAQ_SIZE * 8 / | |
1973 | EFX_BUF_SIZE)); | |
8127d661 BH |
1974 | bool csum_offload = tx_queue->queue & EFX_TXQ_TYPE_OFFLOAD; |
1975 | size_t entries = tx_queue->txd.buf.len / EFX_BUF_SIZE; | |
1976 | struct efx_channel *channel = tx_queue->channel; | |
1977 | struct efx_nic *efx = tx_queue->efx; | |
45b2449e | 1978 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
aa09a3da | 1979 | size_t inlen; |
8127d661 BH |
1980 | dma_addr_t dma_addr; |
1981 | efx_qword_t *txd; | |
1982 | int rc; | |
1983 | int i; | |
aa09a3da | 1984 | BUILD_BUG_ON(MC_CMD_INIT_TXQ_OUT_LEN != 0); |
8127d661 BH |
1985 | |
1986 | MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_SIZE, tx_queue->ptr_mask + 1); | |
1987 | MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_TARGET_EVQ, channel->channel); | |
1988 | MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_LABEL, tx_queue->queue); | |
1989 | MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_INSTANCE, tx_queue->queue); | |
1990 | MCDI_POPULATE_DWORD_2(inbuf, INIT_TXQ_IN_FLAGS, | |
1991 | INIT_TXQ_IN_FLAG_IP_CSUM_DIS, !csum_offload, | |
1992 | INIT_TXQ_IN_FLAG_TCP_CSUM_DIS, !csum_offload); | |
1993 | MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_OWNER_ID, 0); | |
45b2449e | 1994 | MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_PORT_ID, nic_data->vport_id); |
8127d661 BH |
1995 | |
1996 | dma_addr = tx_queue->txd.buf.dma_addr; | |
1997 | ||
1998 | netif_dbg(efx, hw, efx->net_dev, "pushing TXQ %d. %zu entries (%llx)\n", | |
1999 | tx_queue->queue, entries, (u64)dma_addr); | |
2000 | ||
2001 | for (i = 0; i < entries; ++i) { | |
2002 | MCDI_SET_ARRAY_QWORD(inbuf, INIT_TXQ_IN_DMA_ADDR, i, dma_addr); | |
2003 | dma_addr += EFX_BUF_SIZE; | |
2004 | } | |
2005 | ||
2006 | inlen = MC_CMD_INIT_TXQ_IN_LEN(entries); | |
2007 | ||
2008 | rc = efx_mcdi_rpc(efx, MC_CMD_INIT_TXQ, inbuf, inlen, | |
aa09a3da | 2009 | NULL, 0, NULL); |
8127d661 BH |
2010 | if (rc) |
2011 | goto fail; | |
2012 | ||
2013 | /* A previous user of this TX queue might have set us up the | |
2014 | * bomb by writing a descriptor to the TX push collector but | |
2015 | * not the doorbell. (Each collector belongs to a port, not a | |
2016 | * queue or function, so cannot easily be reset.) We must | |
2017 | * attempt to push a no-op descriptor in its place. | |
2018 | */ | |
2019 | tx_queue->buffer[0].flags = EFX_TX_BUF_OPTION; | |
2020 | tx_queue->insert_count = 1; | |
2021 | txd = efx_tx_desc(tx_queue, 0); | |
2022 | EFX_POPULATE_QWORD_4(*txd, | |
2023 | ESF_DZ_TX_DESC_IS_OPT, true, | |
2024 | ESF_DZ_TX_OPTION_TYPE, | |
2025 | ESE_DZ_TX_OPTION_DESC_CRC_CSUM, | |
2026 | ESF_DZ_TX_OPTION_UDP_TCP_CSUM, csum_offload, | |
2027 | ESF_DZ_TX_OPTION_IP_CSUM, csum_offload); | |
2028 | tx_queue->write_count = 1; | |
93171b14 BK |
2029 | |
2030 | if (nic_data->datapath_caps & | |
2031 | (1 << MC_CMD_GET_CAPABILITIES_OUT_TX_TSO_LBN)) { | |
2032 | tx_queue->tso_version = 1; | |
2033 | } | |
2034 | ||
8127d661 BH |
2035 | wmb(); |
2036 | efx_ef10_push_tx_desc(tx_queue, txd); | |
2037 | ||
2038 | return; | |
2039 | ||
2040 | fail: | |
48ce5634 BH |
2041 | netdev_WARN(efx->net_dev, "failed to initialise TXQ %d\n", |
2042 | tx_queue->queue); | |
8127d661 BH |
2043 | } |
2044 | ||
2045 | static void efx_ef10_tx_fini(struct efx_tx_queue *tx_queue) | |
2046 | { | |
2047 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_TXQ_IN_LEN); | |
aa09a3da | 2048 | MCDI_DECLARE_BUF_ERR(outbuf); |
8127d661 BH |
2049 | struct efx_nic *efx = tx_queue->efx; |
2050 | size_t outlen; | |
2051 | int rc; | |
2052 | ||
2053 | MCDI_SET_DWORD(inbuf, FINI_TXQ_IN_INSTANCE, | |
2054 | tx_queue->queue); | |
2055 | ||
1e0b8120 | 2056 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_TXQ, inbuf, sizeof(inbuf), |
8127d661 BH |
2057 | outbuf, sizeof(outbuf), &outlen); |
2058 | ||
2059 | if (rc && rc != -EALREADY) | |
2060 | goto fail; | |
2061 | ||
2062 | return; | |
2063 | ||
2064 | fail: | |
1e0b8120 EC |
2065 | efx_mcdi_display_error(efx, MC_CMD_FINI_TXQ, MC_CMD_FINI_TXQ_IN_LEN, |
2066 | outbuf, outlen, rc); | |
8127d661 BH |
2067 | } |
2068 | ||
2069 | static void efx_ef10_tx_remove(struct efx_tx_queue *tx_queue) | |
2070 | { | |
2071 | efx_nic_free_buffer(tx_queue->efx, &tx_queue->txd.buf); | |
2072 | } | |
2073 | ||
2074 | /* This writes to the TX_DESC_WPTR; write pointer for TX descriptor ring */ | |
2075 | static inline void efx_ef10_notify_tx_desc(struct efx_tx_queue *tx_queue) | |
2076 | { | |
2077 | unsigned int write_ptr; | |
2078 | efx_dword_t reg; | |
2079 | ||
2080 | write_ptr = tx_queue->write_count & tx_queue->ptr_mask; | |
2081 | EFX_POPULATE_DWORD_1(reg, ERF_DZ_TX_DESC_WPTR_DWORD, write_ptr); | |
2082 | efx_writed_page(tx_queue->efx, ®, | |
2083 | ER_DZ_TX_DESC_UPD_DWORD, tx_queue->queue); | |
2084 | } | |
2085 | ||
2086 | static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue) | |
2087 | { | |
2088 | unsigned int old_write_count = tx_queue->write_count; | |
2089 | struct efx_tx_buffer *buffer; | |
2090 | unsigned int write_ptr; | |
2091 | efx_qword_t *txd; | |
2092 | ||
b2663a4f MH |
2093 | tx_queue->xmit_more_available = false; |
2094 | if (unlikely(tx_queue->write_count == tx_queue->insert_count)) | |
2095 | return; | |
8127d661 BH |
2096 | |
2097 | do { | |
2098 | write_ptr = tx_queue->write_count & tx_queue->ptr_mask; | |
2099 | buffer = &tx_queue->buffer[write_ptr]; | |
2100 | txd = efx_tx_desc(tx_queue, write_ptr); | |
2101 | ++tx_queue->write_count; | |
2102 | ||
2103 | /* Create TX descriptor ring entry */ | |
2104 | if (buffer->flags & EFX_TX_BUF_OPTION) { | |
2105 | *txd = buffer->option; | |
2106 | } else { | |
2107 | BUILD_BUG_ON(EFX_TX_BUF_CONT != 1); | |
2108 | EFX_POPULATE_QWORD_3( | |
2109 | *txd, | |
2110 | ESF_DZ_TX_KER_CONT, | |
2111 | buffer->flags & EFX_TX_BUF_CONT, | |
2112 | ESF_DZ_TX_KER_BYTE_CNT, buffer->len, | |
2113 | ESF_DZ_TX_KER_BUF_ADDR, buffer->dma_addr); | |
2114 | } | |
2115 | } while (tx_queue->write_count != tx_queue->insert_count); | |
2116 | ||
2117 | wmb(); /* Ensure descriptors are written before they are fetched */ | |
2118 | ||
2119 | if (efx_nic_may_push_tx_desc(tx_queue, old_write_count)) { | |
2120 | txd = efx_tx_desc(tx_queue, | |
2121 | old_write_count & tx_queue->ptr_mask); | |
2122 | efx_ef10_push_tx_desc(tx_queue, txd); | |
2123 | ++tx_queue->pushes; | |
2124 | } else { | |
2125 | efx_ef10_notify_tx_desc(tx_queue); | |
2126 | } | |
2127 | } | |
2128 | ||
267c0157 JC |
2129 | static int efx_ef10_alloc_rss_context(struct efx_nic *efx, u32 *context, |
2130 | bool exclusive, unsigned *context_size) | |
8127d661 BH |
2131 | { |
2132 | MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN); | |
2133 | MCDI_DECLARE_BUF(outbuf, MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN); | |
45b2449e | 2134 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
8127d661 BH |
2135 | size_t outlen; |
2136 | int rc; | |
267c0157 JC |
2137 | u32 alloc_type = exclusive ? |
2138 | MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE : | |
2139 | MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_SHARED; | |
2140 | unsigned rss_spread = exclusive ? | |
2141 | efx->rss_spread : | |
2142 | min(rounddown_pow_of_two(efx->rss_spread), | |
2143 | EFX_EF10_MAX_SHARED_RSS_CONTEXT_SIZE); | |
2144 | ||
2145 | if (!exclusive && rss_spread == 1) { | |
2146 | *context = EFX_EF10_RSS_CONTEXT_INVALID; | |
2147 | if (context_size) | |
2148 | *context_size = 1; | |
2149 | return 0; | |
2150 | } | |
8127d661 | 2151 | |
dcb4123c JC |
2152 | if (nic_data->datapath_caps & |
2153 | 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN) | |
2154 | return -EOPNOTSUPP; | |
2155 | ||
8127d661 | 2156 | MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID, |
45b2449e | 2157 | nic_data->vport_id); |
267c0157 JC |
2158 | MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type); |
2159 | MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, rss_spread); | |
8127d661 BH |
2160 | |
2161 | rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_ALLOC, inbuf, sizeof(inbuf), | |
2162 | outbuf, sizeof(outbuf), &outlen); | |
2163 | if (rc != 0) | |
2164 | return rc; | |
2165 | ||
2166 | if (outlen < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) | |
2167 | return -EIO; | |
2168 | ||
2169 | *context = MCDI_DWORD(outbuf, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID); | |
2170 | ||
267c0157 JC |
2171 | if (context_size) |
2172 | *context_size = rss_spread; | |
2173 | ||
8127d661 BH |
2174 | return 0; |
2175 | } | |
2176 | ||
2177 | static void efx_ef10_free_rss_context(struct efx_nic *efx, u32 context) | |
2178 | { | |
2179 | MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_FREE_IN_LEN); | |
2180 | int rc; | |
2181 | ||
2182 | MCDI_SET_DWORD(inbuf, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, | |
2183 | context); | |
2184 | ||
2185 | rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_FREE, inbuf, sizeof(inbuf), | |
2186 | NULL, 0, NULL); | |
2187 | WARN_ON(rc != 0); | |
2188 | } | |
2189 | ||
267c0157 JC |
2190 | static int efx_ef10_populate_rss_table(struct efx_nic *efx, u32 context, |
2191 | const u32 *rx_indir_table) | |
8127d661 BH |
2192 | { |
2193 | MCDI_DECLARE_BUF(tablebuf, MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN); | |
2194 | MCDI_DECLARE_BUF(keybuf, MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN); | |
2195 | int i, rc; | |
2196 | ||
2197 | MCDI_SET_DWORD(tablebuf, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID, | |
2198 | context); | |
2199 | BUILD_BUG_ON(ARRAY_SIZE(efx->rx_indir_table) != | |
2200 | MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN); | |
2201 | ||
2202 | for (i = 0; i < ARRAY_SIZE(efx->rx_indir_table); ++i) | |
2203 | MCDI_PTR(tablebuf, | |
2204 | RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE)[i] = | |
267c0157 | 2205 | (u8) rx_indir_table[i]; |
8127d661 BH |
2206 | |
2207 | rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_TABLE, tablebuf, | |
2208 | sizeof(tablebuf), NULL, 0, NULL); | |
2209 | if (rc != 0) | |
2210 | return rc; | |
2211 | ||
2212 | MCDI_SET_DWORD(keybuf, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID, | |
2213 | context); | |
2214 | BUILD_BUG_ON(ARRAY_SIZE(efx->rx_hash_key) != | |
2215 | MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN); | |
2216 | for (i = 0; i < ARRAY_SIZE(efx->rx_hash_key); ++i) | |
2217 | MCDI_PTR(keybuf, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY)[i] = | |
2218 | efx->rx_hash_key[i]; | |
2219 | ||
2220 | return efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_KEY, keybuf, | |
2221 | sizeof(keybuf), NULL, 0, NULL); | |
2222 | } | |
2223 | ||
2224 | static void efx_ef10_rx_free_indir_table(struct efx_nic *efx) | |
2225 | { | |
2226 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
2227 | ||
2228 | if (nic_data->rx_rss_context != EFX_EF10_RSS_CONTEXT_INVALID) | |
2229 | efx_ef10_free_rss_context(efx, nic_data->rx_rss_context); | |
2230 | nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; | |
2231 | } | |
2232 | ||
267c0157 JC |
2233 | static int efx_ef10_rx_push_shared_rss_config(struct efx_nic *efx, |
2234 | unsigned *context_size) | |
8127d661 | 2235 | { |
267c0157 | 2236 | u32 new_rx_rss_context; |
8127d661 | 2237 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
267c0157 JC |
2238 | int rc = efx_ef10_alloc_rss_context(efx, &new_rx_rss_context, |
2239 | false, context_size); | |
2240 | ||
2241 | if (rc != 0) | |
2242 | return rc; | |
8127d661 | 2243 | |
267c0157 JC |
2244 | nic_data->rx_rss_context = new_rx_rss_context; |
2245 | nic_data->rx_rss_context_exclusive = false; | |
2246 | efx_set_default_rx_indir_table(efx); | |
2247 | return 0; | |
2248 | } | |
8127d661 | 2249 | |
267c0157 JC |
2250 | static int efx_ef10_rx_push_exclusive_rss_config(struct efx_nic *efx, |
2251 | const u32 *rx_indir_table) | |
2252 | { | |
2253 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
2254 | int rc; | |
2255 | u32 new_rx_rss_context; | |
2256 | ||
2257 | if (nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID || | |
2258 | !nic_data->rx_rss_context_exclusive) { | |
2259 | rc = efx_ef10_alloc_rss_context(efx, &new_rx_rss_context, | |
2260 | true, NULL); | |
2261 | if (rc == -EOPNOTSUPP) | |
2262 | return rc; | |
2263 | else if (rc != 0) | |
2264 | goto fail1; | |
2265 | } else { | |
2266 | new_rx_rss_context = nic_data->rx_rss_context; | |
8127d661 BH |
2267 | } |
2268 | ||
267c0157 JC |
2269 | rc = efx_ef10_populate_rss_table(efx, new_rx_rss_context, |
2270 | rx_indir_table); | |
8127d661 | 2271 | if (rc != 0) |
267c0157 | 2272 | goto fail2; |
8127d661 | 2273 | |
267c0157 JC |
2274 | if (nic_data->rx_rss_context != new_rx_rss_context) |
2275 | efx_ef10_rx_free_indir_table(efx); | |
2276 | nic_data->rx_rss_context = new_rx_rss_context; | |
2277 | nic_data->rx_rss_context_exclusive = true; | |
2278 | if (rx_indir_table != efx->rx_indir_table) | |
2279 | memcpy(efx->rx_indir_table, rx_indir_table, | |
2280 | sizeof(efx->rx_indir_table)); | |
2281 | return 0; | |
8127d661 | 2282 | |
267c0157 JC |
2283 | fail2: |
2284 | if (new_rx_rss_context != nic_data->rx_rss_context) | |
2285 | efx_ef10_free_rss_context(efx, new_rx_rss_context); | |
2286 | fail1: | |
8127d661 | 2287 | netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); |
267c0157 JC |
2288 | return rc; |
2289 | } | |
2290 | ||
2291 | static int efx_ef10_pf_rx_push_rss_config(struct efx_nic *efx, bool user, | |
2292 | const u32 *rx_indir_table) | |
2293 | { | |
2294 | int rc; | |
2295 | ||
2296 | if (efx->rss_spread == 1) | |
2297 | return 0; | |
2298 | ||
2299 | rc = efx_ef10_rx_push_exclusive_rss_config(efx, rx_indir_table); | |
2300 | ||
2301 | if (rc == -ENOBUFS && !user) { | |
2302 | unsigned context_size; | |
2303 | bool mismatch = false; | |
2304 | size_t i; | |
2305 | ||
2306 | for (i = 0; i < ARRAY_SIZE(efx->rx_indir_table) && !mismatch; | |
2307 | i++) | |
2308 | mismatch = rx_indir_table[i] != | |
2309 | ethtool_rxfh_indir_default(i, efx->rss_spread); | |
2310 | ||
2311 | rc = efx_ef10_rx_push_shared_rss_config(efx, &context_size); | |
2312 | if (rc == 0) { | |
2313 | if (context_size != efx->rss_spread) | |
2314 | netif_warn(efx, probe, efx->net_dev, | |
2315 | "Could not allocate an exclusive RSS" | |
2316 | " context; allocated a shared one of" | |
2317 | " different size." | |
2318 | " Wanted %u, got %u.\n", | |
2319 | efx->rss_spread, context_size); | |
2320 | else if (mismatch) | |
2321 | netif_warn(efx, probe, efx->net_dev, | |
2322 | "Could not allocate an exclusive RSS" | |
2323 | " context; allocated a shared one but" | |
2324 | " could not apply custom" | |
2325 | " indirection.\n"); | |
2326 | else | |
2327 | netif_info(efx, probe, efx->net_dev, | |
2328 | "Could not allocate an exclusive RSS" | |
2329 | " context; allocated a shared one.\n"); | |
2330 | } | |
2331 | } | |
2332 | return rc; | |
2333 | } | |
2334 | ||
2335 | static int efx_ef10_vf_rx_push_rss_config(struct efx_nic *efx, bool user, | |
2336 | const u32 *rx_indir_table | |
2337 | __attribute__ ((unused))) | |
2338 | { | |
2339 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
2340 | ||
2341 | if (user) | |
2342 | return -EOPNOTSUPP; | |
2343 | if (nic_data->rx_rss_context != EFX_EF10_RSS_CONTEXT_INVALID) | |
2344 | return 0; | |
2345 | return efx_ef10_rx_push_shared_rss_config(efx, NULL); | |
8127d661 BH |
2346 | } |
2347 | ||
2348 | static int efx_ef10_rx_probe(struct efx_rx_queue *rx_queue) | |
2349 | { | |
2350 | return efx_nic_alloc_buffer(rx_queue->efx, &rx_queue->rxd.buf, | |
2351 | (rx_queue->ptr_mask + 1) * | |
2352 | sizeof(efx_qword_t), | |
2353 | GFP_KERNEL); | |
2354 | } | |
2355 | ||
2356 | static void efx_ef10_rx_init(struct efx_rx_queue *rx_queue) | |
2357 | { | |
2358 | MCDI_DECLARE_BUF(inbuf, | |
2359 | MC_CMD_INIT_RXQ_IN_LEN(EFX_MAX_DMAQ_SIZE * 8 / | |
2360 | EFX_BUF_SIZE)); | |
8127d661 BH |
2361 | struct efx_channel *channel = efx_rx_queue_channel(rx_queue); |
2362 | size_t entries = rx_queue->rxd.buf.len / EFX_BUF_SIZE; | |
2363 | struct efx_nic *efx = rx_queue->efx; | |
45b2449e | 2364 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
aa09a3da | 2365 | size_t inlen; |
8127d661 BH |
2366 | dma_addr_t dma_addr; |
2367 | int rc; | |
2368 | int i; | |
aa09a3da | 2369 | BUILD_BUG_ON(MC_CMD_INIT_RXQ_OUT_LEN != 0); |
8127d661 BH |
2370 | |
2371 | rx_queue->scatter_n = 0; | |
2372 | rx_queue->scatter_len = 0; | |
2373 | ||
2374 | MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_SIZE, rx_queue->ptr_mask + 1); | |
2375 | MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_TARGET_EVQ, channel->channel); | |
2376 | MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_LABEL, efx_rx_queue_index(rx_queue)); | |
2377 | MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_INSTANCE, | |
2378 | efx_rx_queue_index(rx_queue)); | |
bd9a265d JC |
2379 | MCDI_POPULATE_DWORD_2(inbuf, INIT_RXQ_IN_FLAGS, |
2380 | INIT_RXQ_IN_FLAG_PREFIX, 1, | |
2381 | INIT_RXQ_IN_FLAG_TIMESTAMP, 1); | |
8127d661 | 2382 | MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_OWNER_ID, 0); |
45b2449e | 2383 | MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_PORT_ID, nic_data->vport_id); |
8127d661 BH |
2384 | |
2385 | dma_addr = rx_queue->rxd.buf.dma_addr; | |
2386 | ||
2387 | netif_dbg(efx, hw, efx->net_dev, "pushing RXQ %d. %zu entries (%llx)\n", | |
2388 | efx_rx_queue_index(rx_queue), entries, (u64)dma_addr); | |
2389 | ||
2390 | for (i = 0; i < entries; ++i) { | |
2391 | MCDI_SET_ARRAY_QWORD(inbuf, INIT_RXQ_IN_DMA_ADDR, i, dma_addr); | |
2392 | dma_addr += EFX_BUF_SIZE; | |
2393 | } | |
2394 | ||
2395 | inlen = MC_CMD_INIT_RXQ_IN_LEN(entries); | |
2396 | ||
2397 | rc = efx_mcdi_rpc(efx, MC_CMD_INIT_RXQ, inbuf, inlen, | |
aa09a3da | 2398 | NULL, 0, NULL); |
48ce5634 BH |
2399 | if (rc) |
2400 | netdev_WARN(efx->net_dev, "failed to initialise RXQ %d\n", | |
2401 | efx_rx_queue_index(rx_queue)); | |
8127d661 BH |
2402 | } |
2403 | ||
2404 | static void efx_ef10_rx_fini(struct efx_rx_queue *rx_queue) | |
2405 | { | |
2406 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_RXQ_IN_LEN); | |
aa09a3da | 2407 | MCDI_DECLARE_BUF_ERR(outbuf); |
8127d661 BH |
2408 | struct efx_nic *efx = rx_queue->efx; |
2409 | size_t outlen; | |
2410 | int rc; | |
2411 | ||
2412 | MCDI_SET_DWORD(inbuf, FINI_RXQ_IN_INSTANCE, | |
2413 | efx_rx_queue_index(rx_queue)); | |
2414 | ||
1e0b8120 | 2415 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_RXQ, inbuf, sizeof(inbuf), |
8127d661 BH |
2416 | outbuf, sizeof(outbuf), &outlen); |
2417 | ||
2418 | if (rc && rc != -EALREADY) | |
2419 | goto fail; | |
2420 | ||
2421 | return; | |
2422 | ||
2423 | fail: | |
1e0b8120 EC |
2424 | efx_mcdi_display_error(efx, MC_CMD_FINI_RXQ, MC_CMD_FINI_RXQ_IN_LEN, |
2425 | outbuf, outlen, rc); | |
8127d661 BH |
2426 | } |
2427 | ||
2428 | static void efx_ef10_rx_remove(struct efx_rx_queue *rx_queue) | |
2429 | { | |
2430 | efx_nic_free_buffer(rx_queue->efx, &rx_queue->rxd.buf); | |
2431 | } | |
2432 | ||
2433 | /* This creates an entry in the RX descriptor queue */ | |
2434 | static inline void | |
2435 | efx_ef10_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index) | |
2436 | { | |
2437 | struct efx_rx_buffer *rx_buf; | |
2438 | efx_qword_t *rxd; | |
2439 | ||
2440 | rxd = efx_rx_desc(rx_queue, index); | |
2441 | rx_buf = efx_rx_buffer(rx_queue, index); | |
2442 | EFX_POPULATE_QWORD_2(*rxd, | |
2443 | ESF_DZ_RX_KER_BYTE_CNT, rx_buf->len, | |
2444 | ESF_DZ_RX_KER_BUF_ADDR, rx_buf->dma_addr); | |
2445 | } | |
2446 | ||
2447 | static void efx_ef10_rx_write(struct efx_rx_queue *rx_queue) | |
2448 | { | |
2449 | struct efx_nic *efx = rx_queue->efx; | |
2450 | unsigned int write_count; | |
2451 | efx_dword_t reg; | |
2452 | ||
2453 | /* Firmware requires that RX_DESC_WPTR be a multiple of 8 */ | |
2454 | write_count = rx_queue->added_count & ~7; | |
2455 | if (rx_queue->notified_count == write_count) | |
2456 | return; | |
2457 | ||
2458 | do | |
2459 | efx_ef10_build_rx_desc( | |
2460 | rx_queue, | |
2461 | rx_queue->notified_count & rx_queue->ptr_mask); | |
2462 | while (++rx_queue->notified_count != write_count); | |
2463 | ||
2464 | wmb(); | |
2465 | EFX_POPULATE_DWORD_1(reg, ERF_DZ_RX_DESC_WPTR, | |
2466 | write_count & rx_queue->ptr_mask); | |
2467 | efx_writed_page(efx, ®, ER_DZ_RX_DESC_UPD, | |
2468 | efx_rx_queue_index(rx_queue)); | |
2469 | } | |
2470 | ||
2471 | static efx_mcdi_async_completer efx_ef10_rx_defer_refill_complete; | |
2472 | ||
2473 | static void efx_ef10_rx_defer_refill(struct efx_rx_queue *rx_queue) | |
2474 | { | |
2475 | struct efx_channel *channel = efx_rx_queue_channel(rx_queue); | |
2476 | MCDI_DECLARE_BUF(inbuf, MC_CMD_DRIVER_EVENT_IN_LEN); | |
2477 | efx_qword_t event; | |
2478 | ||
2479 | EFX_POPULATE_QWORD_2(event, | |
2480 | ESF_DZ_EV_CODE, EFX_EF10_DRVGEN_EV, | |
2481 | ESF_DZ_EV_DATA, EFX_EF10_REFILL); | |
2482 | ||
2483 | MCDI_SET_DWORD(inbuf, DRIVER_EVENT_IN_EVQ, channel->channel); | |
2484 | ||
2485 | /* MCDI_SET_QWORD is not appropriate here since EFX_POPULATE_* has | |
2486 | * already swapped the data to little-endian order. | |
2487 | */ | |
2488 | memcpy(MCDI_PTR(inbuf, DRIVER_EVENT_IN_DATA), &event.u64[0], | |
2489 | sizeof(efx_qword_t)); | |
2490 | ||
2491 | efx_mcdi_rpc_async(channel->efx, MC_CMD_DRIVER_EVENT, | |
2492 | inbuf, sizeof(inbuf), 0, | |
2493 | efx_ef10_rx_defer_refill_complete, 0); | |
2494 | } | |
2495 | ||
2496 | static void | |
2497 | efx_ef10_rx_defer_refill_complete(struct efx_nic *efx, unsigned long cookie, | |
2498 | int rc, efx_dword_t *outbuf, | |
2499 | size_t outlen_actual) | |
2500 | { | |
2501 | /* nothing to do */ | |
2502 | } | |
2503 | ||
2504 | static int efx_ef10_ev_probe(struct efx_channel *channel) | |
2505 | { | |
2506 | return efx_nic_alloc_buffer(channel->efx, &channel->eventq.buf, | |
2507 | (channel->eventq_mask + 1) * | |
2508 | sizeof(efx_qword_t), | |
2509 | GFP_KERNEL); | |
2510 | } | |
2511 | ||
46e612b0 DP |
2512 | static void efx_ef10_ev_fini(struct efx_channel *channel) |
2513 | { | |
2514 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_EVQ_IN_LEN); | |
2515 | MCDI_DECLARE_BUF_ERR(outbuf); | |
2516 | struct efx_nic *efx = channel->efx; | |
2517 | size_t outlen; | |
2518 | int rc; | |
2519 | ||
2520 | MCDI_SET_DWORD(inbuf, FINI_EVQ_IN_INSTANCE, channel->channel); | |
2521 | ||
2522 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_EVQ, inbuf, sizeof(inbuf), | |
2523 | outbuf, sizeof(outbuf), &outlen); | |
2524 | ||
2525 | if (rc && rc != -EALREADY) | |
2526 | goto fail; | |
2527 | ||
2528 | return; | |
2529 | ||
2530 | fail: | |
2531 | efx_mcdi_display_error(efx, MC_CMD_FINI_EVQ, MC_CMD_FINI_EVQ_IN_LEN, | |
2532 | outbuf, outlen, rc); | |
2533 | } | |
2534 | ||
8127d661 BH |
2535 | static int efx_ef10_ev_init(struct efx_channel *channel) |
2536 | { | |
2537 | MCDI_DECLARE_BUF(inbuf, | |
2538 | MC_CMD_INIT_EVQ_IN_LEN(EFX_MAX_EVQ_SIZE * 8 / | |
2539 | EFX_BUF_SIZE)); | |
2540 | MCDI_DECLARE_BUF(outbuf, MC_CMD_INIT_EVQ_OUT_LEN); | |
2541 | size_t entries = channel->eventq.buf.len / EFX_BUF_SIZE; | |
2542 | struct efx_nic *efx = channel->efx; | |
2543 | struct efx_ef10_nic_data *nic_data; | |
2544 | bool supports_rx_merge; | |
2545 | size_t inlen, outlen; | |
46e612b0 | 2546 | unsigned int enabled, implemented; |
8127d661 BH |
2547 | dma_addr_t dma_addr; |
2548 | int rc; | |
2549 | int i; | |
2550 | ||
2551 | nic_data = efx->nic_data; | |
2552 | supports_rx_merge = | |
2553 | !!(nic_data->datapath_caps & | |
2554 | 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN); | |
2555 | ||
2556 | /* Fill event queue with all ones (i.e. empty events) */ | |
2557 | memset(channel->eventq.buf.addr, 0xff, channel->eventq.buf.len); | |
2558 | ||
2559 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_SIZE, channel->eventq_mask + 1); | |
2560 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_INSTANCE, channel->channel); | |
2561 | /* INIT_EVQ expects index in vector table, not absolute */ | |
2562 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_IRQ_NUM, channel->channel); | |
2563 | MCDI_POPULATE_DWORD_4(inbuf, INIT_EVQ_IN_FLAGS, | |
2564 | INIT_EVQ_IN_FLAG_INTERRUPTING, 1, | |
2565 | INIT_EVQ_IN_FLAG_RX_MERGE, 1, | |
2566 | INIT_EVQ_IN_FLAG_TX_MERGE, 1, | |
2567 | INIT_EVQ_IN_FLAG_CUT_THRU, !supports_rx_merge); | |
2568 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_TMR_MODE, | |
2569 | MC_CMD_INIT_EVQ_IN_TMR_MODE_DIS); | |
2570 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_TMR_LOAD, 0); | |
2571 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_TMR_RELOAD, 0); | |
2572 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_COUNT_MODE, | |
2573 | MC_CMD_INIT_EVQ_IN_COUNT_MODE_DIS); | |
2574 | MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_COUNT_THRSHLD, 0); | |
2575 | ||
2576 | dma_addr = channel->eventq.buf.dma_addr; | |
2577 | for (i = 0; i < entries; ++i) { | |
2578 | MCDI_SET_ARRAY_QWORD(inbuf, INIT_EVQ_IN_DMA_ADDR, i, dma_addr); | |
2579 | dma_addr += EFX_BUF_SIZE; | |
2580 | } | |
2581 | ||
2582 | inlen = MC_CMD_INIT_EVQ_IN_LEN(entries); | |
2583 | ||
2584 | rc = efx_mcdi_rpc(efx, MC_CMD_INIT_EVQ, inbuf, inlen, | |
2585 | outbuf, sizeof(outbuf), &outlen); | |
8127d661 | 2586 | /* IRQ return is ignored */ |
46e612b0 DP |
2587 | if (channel->channel || rc) |
2588 | return rc; | |
8127d661 | 2589 | |
46e612b0 DP |
2590 | /* Successfully created event queue on channel 0 */ |
2591 | rc = efx_mcdi_get_workarounds(efx, &implemented, &enabled); | |
832dc9ed EC |
2592 | if (rc == -ENOSYS) { |
2593 | /* GET_WORKAROUNDS was implemented before the bug26807 | |
2594 | * workaround, thus the latter must be unavailable in this fw | |
2595 | */ | |
2596 | nic_data->workaround_26807 = false; | |
2597 | rc = 0; | |
2598 | } else if (rc) { | |
8127d661 | 2599 | goto fail; |
832dc9ed EC |
2600 | } else { |
2601 | nic_data->workaround_26807 = | |
2602 | !!(enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807); | |
2603 | ||
2604 | if (implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807 && | |
2605 | !nic_data->workaround_26807) { | |
5a55a72a DP |
2606 | unsigned int flags; |
2607 | ||
34ccfe6f DP |
2608 | rc = efx_mcdi_set_workaround(efx, |
2609 | MC_CMD_WORKAROUND_BUG26807, | |
5a55a72a DP |
2610 | true, &flags); |
2611 | ||
2612 | if (!rc) { | |
2613 | if (flags & | |
2614 | 1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN) { | |
2615 | netif_info(efx, drv, efx->net_dev, | |
2616 | "other functions on NIC have been reset\n"); | |
abd86a55 DP |
2617 | |
2618 | /* With MCFW v4.6.x and earlier, the | |
2619 | * boot count will have incremented, | |
2620 | * so re-read the warm_boot_count | |
2621 | * value now to ensure this function | |
2622 | * doesn't think it has changed next | |
2623 | * time it checks. | |
2624 | */ | |
2625 | rc = efx_ef10_get_warm_boot_count(efx); | |
2626 | if (rc >= 0) { | |
2627 | nic_data->warm_boot_count = rc; | |
2628 | rc = 0; | |
2629 | } | |
5a55a72a | 2630 | } |
832dc9ed | 2631 | nic_data->workaround_26807 = true; |
5a55a72a | 2632 | } else if (rc == -EPERM) { |
832dc9ed | 2633 | rc = 0; |
5a55a72a | 2634 | } |
832dc9ed | 2635 | } |
46e612b0 DP |
2636 | } |
2637 | ||
2638 | if (!rc) | |
2639 | return 0; | |
8127d661 BH |
2640 | |
2641 | fail: | |
46e612b0 DP |
2642 | efx_ef10_ev_fini(channel); |
2643 | return rc; | |
8127d661 BH |
2644 | } |
2645 | ||
2646 | static void efx_ef10_ev_remove(struct efx_channel *channel) | |
2647 | { | |
2648 | efx_nic_free_buffer(channel->efx, &channel->eventq.buf); | |
2649 | } | |
2650 | ||
2651 | static void efx_ef10_handle_rx_wrong_queue(struct efx_rx_queue *rx_queue, | |
2652 | unsigned int rx_queue_label) | |
2653 | { | |
2654 | struct efx_nic *efx = rx_queue->efx; | |
2655 | ||
2656 | netif_info(efx, hw, efx->net_dev, | |
2657 | "rx event arrived on queue %d labeled as queue %u\n", | |
2658 | efx_rx_queue_index(rx_queue), rx_queue_label); | |
2659 | ||
2660 | efx_schedule_reset(efx, RESET_TYPE_DISABLE); | |
2661 | } | |
2662 | ||
2663 | static void | |
2664 | efx_ef10_handle_rx_bad_lbits(struct efx_rx_queue *rx_queue, | |
2665 | unsigned int actual, unsigned int expected) | |
2666 | { | |
2667 | unsigned int dropped = (actual - expected) & rx_queue->ptr_mask; | |
2668 | struct efx_nic *efx = rx_queue->efx; | |
2669 | ||
2670 | netif_info(efx, hw, efx->net_dev, | |
2671 | "dropped %d events (index=%d expected=%d)\n", | |
2672 | dropped, actual, expected); | |
2673 | ||
2674 | efx_schedule_reset(efx, RESET_TYPE_DISABLE); | |
2675 | } | |
2676 | ||
2677 | /* partially received RX was aborted. clean up. */ | |
2678 | static void efx_ef10_handle_rx_abort(struct efx_rx_queue *rx_queue) | |
2679 | { | |
2680 | unsigned int rx_desc_ptr; | |
2681 | ||
8127d661 BH |
2682 | netif_dbg(rx_queue->efx, hw, rx_queue->efx->net_dev, |
2683 | "scattered RX aborted (dropping %u buffers)\n", | |
2684 | rx_queue->scatter_n); | |
2685 | ||
2686 | rx_desc_ptr = rx_queue->removed_count & rx_queue->ptr_mask; | |
2687 | ||
2688 | efx_rx_packet(rx_queue, rx_desc_ptr, rx_queue->scatter_n, | |
2689 | 0, EFX_RX_PKT_DISCARD); | |
2690 | ||
2691 | rx_queue->removed_count += rx_queue->scatter_n; | |
2692 | rx_queue->scatter_n = 0; | |
2693 | rx_queue->scatter_len = 0; | |
2694 | ++efx_rx_queue_channel(rx_queue)->n_rx_nodesc_trunc; | |
2695 | } | |
2696 | ||
2697 | static int efx_ef10_handle_rx_event(struct efx_channel *channel, | |
2698 | const efx_qword_t *event) | |
2699 | { | |
2700 | unsigned int rx_bytes, next_ptr_lbits, rx_queue_label, rx_l4_class; | |
2701 | unsigned int n_descs, n_packets, i; | |
2702 | struct efx_nic *efx = channel->efx; | |
2703 | struct efx_rx_queue *rx_queue; | |
2704 | bool rx_cont; | |
2705 | u16 flags = 0; | |
2706 | ||
2707 | if (unlikely(ACCESS_ONCE(efx->reset_pending))) | |
2708 | return 0; | |
2709 | ||
2710 | /* Basic packet information */ | |
2711 | rx_bytes = EFX_QWORD_FIELD(*event, ESF_DZ_RX_BYTES); | |
2712 | next_ptr_lbits = EFX_QWORD_FIELD(*event, ESF_DZ_RX_DSC_PTR_LBITS); | |
2713 | rx_queue_label = EFX_QWORD_FIELD(*event, ESF_DZ_RX_QLABEL); | |
2714 | rx_l4_class = EFX_QWORD_FIELD(*event, ESF_DZ_RX_L4_CLASS); | |
2715 | rx_cont = EFX_QWORD_FIELD(*event, ESF_DZ_RX_CONT); | |
2716 | ||
48ce5634 BH |
2717 | if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_DROP_EVENT)) |
2718 | netdev_WARN(efx->net_dev, "saw RX_DROP_EVENT: event=" | |
2719 | EFX_QWORD_FMT "\n", | |
2720 | EFX_QWORD_VAL(*event)); | |
8127d661 BH |
2721 | |
2722 | rx_queue = efx_channel_get_rx_queue(channel); | |
2723 | ||
2724 | if (unlikely(rx_queue_label != efx_rx_queue_index(rx_queue))) | |
2725 | efx_ef10_handle_rx_wrong_queue(rx_queue, rx_queue_label); | |
2726 | ||
2727 | n_descs = ((next_ptr_lbits - rx_queue->removed_count) & | |
2728 | ((1 << ESF_DZ_RX_DSC_PTR_LBITS_WIDTH) - 1)); | |
2729 | ||
2730 | if (n_descs != rx_queue->scatter_n + 1) { | |
92a04168 BH |
2731 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
2732 | ||
8127d661 BH |
2733 | /* detect rx abort */ |
2734 | if (unlikely(n_descs == rx_queue->scatter_n)) { | |
48ce5634 BH |
2735 | if (rx_queue->scatter_n == 0 || rx_bytes != 0) |
2736 | netdev_WARN(efx->net_dev, | |
2737 | "invalid RX abort: scatter_n=%u event=" | |
2738 | EFX_QWORD_FMT "\n", | |
2739 | rx_queue->scatter_n, | |
2740 | EFX_QWORD_VAL(*event)); | |
8127d661 BH |
2741 | efx_ef10_handle_rx_abort(rx_queue); |
2742 | return 0; | |
2743 | } | |
2744 | ||
92a04168 BH |
2745 | /* Check that RX completion merging is valid, i.e. |
2746 | * the current firmware supports it and this is a | |
2747 | * non-scattered packet. | |
2748 | */ | |
2749 | if (!(nic_data->datapath_caps & | |
2750 | (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN)) || | |
2751 | rx_queue->scatter_n != 0 || rx_cont) { | |
8127d661 BH |
2752 | efx_ef10_handle_rx_bad_lbits( |
2753 | rx_queue, next_ptr_lbits, | |
2754 | (rx_queue->removed_count + | |
2755 | rx_queue->scatter_n + 1) & | |
2756 | ((1 << ESF_DZ_RX_DSC_PTR_LBITS_WIDTH) - 1)); | |
2757 | return 0; | |
2758 | } | |
2759 | ||
2760 | /* Merged completion for multiple non-scattered packets */ | |
2761 | rx_queue->scatter_n = 1; | |
2762 | rx_queue->scatter_len = 0; | |
2763 | n_packets = n_descs; | |
2764 | ++channel->n_rx_merge_events; | |
2765 | channel->n_rx_merge_packets += n_packets; | |
2766 | flags |= EFX_RX_PKT_PREFIX_LEN; | |
2767 | } else { | |
2768 | ++rx_queue->scatter_n; | |
2769 | rx_queue->scatter_len += rx_bytes; | |
2770 | if (rx_cont) | |
2771 | return 0; | |
2772 | n_packets = 1; | |
2773 | } | |
2774 | ||
2775 | if (unlikely(EFX_QWORD_FIELD(*event, ESF_DZ_RX_ECRC_ERR))) | |
2776 | flags |= EFX_RX_PKT_DISCARD; | |
2777 | ||
2778 | if (unlikely(EFX_QWORD_FIELD(*event, ESF_DZ_RX_IPCKSUM_ERR))) { | |
2779 | channel->n_rx_ip_hdr_chksum_err += n_packets; | |
2780 | } else if (unlikely(EFX_QWORD_FIELD(*event, | |
2781 | ESF_DZ_RX_TCPUDP_CKSUM_ERR))) { | |
2782 | channel->n_rx_tcp_udp_chksum_err += n_packets; | |
2783 | } else if (rx_l4_class == ESE_DZ_L4_CLASS_TCP || | |
2784 | rx_l4_class == ESE_DZ_L4_CLASS_UDP) { | |
2785 | flags |= EFX_RX_PKT_CSUMMED; | |
2786 | } | |
2787 | ||
2788 | if (rx_l4_class == ESE_DZ_L4_CLASS_TCP) | |
2789 | flags |= EFX_RX_PKT_TCP; | |
2790 | ||
2791 | channel->irq_mod_score += 2 * n_packets; | |
2792 | ||
2793 | /* Handle received packet(s) */ | |
2794 | for (i = 0; i < n_packets; i++) { | |
2795 | efx_rx_packet(rx_queue, | |
2796 | rx_queue->removed_count & rx_queue->ptr_mask, | |
2797 | rx_queue->scatter_n, rx_queue->scatter_len, | |
2798 | flags); | |
2799 | rx_queue->removed_count += rx_queue->scatter_n; | |
2800 | } | |
2801 | ||
2802 | rx_queue->scatter_n = 0; | |
2803 | rx_queue->scatter_len = 0; | |
2804 | ||
2805 | return n_packets; | |
2806 | } | |
2807 | ||
2808 | static int | |
2809 | efx_ef10_handle_tx_event(struct efx_channel *channel, efx_qword_t *event) | |
2810 | { | |
2811 | struct efx_nic *efx = channel->efx; | |
2812 | struct efx_tx_queue *tx_queue; | |
2813 | unsigned int tx_ev_desc_ptr; | |
2814 | unsigned int tx_ev_q_label; | |
2815 | int tx_descs = 0; | |
2816 | ||
2817 | if (unlikely(ACCESS_ONCE(efx->reset_pending))) | |
2818 | return 0; | |
2819 | ||
2820 | if (unlikely(EFX_QWORD_FIELD(*event, ESF_DZ_TX_DROP_EVENT))) | |
2821 | return 0; | |
2822 | ||
2823 | /* Transmit completion */ | |
2824 | tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, ESF_DZ_TX_DESCR_INDX); | |
2825 | tx_ev_q_label = EFX_QWORD_FIELD(*event, ESF_DZ_TX_QLABEL); | |
2826 | tx_queue = efx_channel_get_tx_queue(channel, | |
2827 | tx_ev_q_label % EFX_TXQ_TYPES); | |
2828 | tx_descs = ((tx_ev_desc_ptr + 1 - tx_queue->read_count) & | |
2829 | tx_queue->ptr_mask); | |
2830 | efx_xmit_done(tx_queue, tx_ev_desc_ptr & tx_queue->ptr_mask); | |
2831 | ||
2832 | return tx_descs; | |
2833 | } | |
2834 | ||
2835 | static void | |
2836 | efx_ef10_handle_driver_event(struct efx_channel *channel, efx_qword_t *event) | |
2837 | { | |
2838 | struct efx_nic *efx = channel->efx; | |
2839 | int subcode; | |
2840 | ||
2841 | subcode = EFX_QWORD_FIELD(*event, ESF_DZ_DRV_SUB_CODE); | |
2842 | ||
2843 | switch (subcode) { | |
2844 | case ESE_DZ_DRV_TIMER_EV: | |
2845 | case ESE_DZ_DRV_WAKE_UP_EV: | |
2846 | break; | |
2847 | case ESE_DZ_DRV_START_UP_EV: | |
2848 | /* event queue init complete. ok. */ | |
2849 | break; | |
2850 | default: | |
2851 | netif_err(efx, hw, efx->net_dev, | |
2852 | "channel %d unknown driver event type %d" | |
2853 | " (data " EFX_QWORD_FMT ")\n", | |
2854 | channel->channel, subcode, | |
2855 | EFX_QWORD_VAL(*event)); | |
2856 | ||
2857 | } | |
2858 | } | |
2859 | ||
2860 | static void efx_ef10_handle_driver_generated_event(struct efx_channel *channel, | |
2861 | efx_qword_t *event) | |
2862 | { | |
2863 | struct efx_nic *efx = channel->efx; | |
2864 | u32 subcode; | |
2865 | ||
2866 | subcode = EFX_QWORD_FIELD(*event, EFX_DWORD_0); | |
2867 | ||
2868 | switch (subcode) { | |
2869 | case EFX_EF10_TEST: | |
2870 | channel->event_test_cpu = raw_smp_processor_id(); | |
2871 | break; | |
2872 | case EFX_EF10_REFILL: | |
2873 | /* The queue must be empty, so we won't receive any rx | |
2874 | * events, so efx_process_channel() won't refill the | |
2875 | * queue. Refill it here | |
2876 | */ | |
cce28794 | 2877 | efx_fast_push_rx_descriptors(&channel->rx_queue, true); |
8127d661 BH |
2878 | break; |
2879 | default: | |
2880 | netif_err(efx, hw, efx->net_dev, | |
2881 | "channel %d unknown driver event type %u" | |
2882 | " (data " EFX_QWORD_FMT ")\n", | |
2883 | channel->channel, (unsigned) subcode, | |
2884 | EFX_QWORD_VAL(*event)); | |
2885 | } | |
2886 | } | |
2887 | ||
2888 | static int efx_ef10_ev_process(struct efx_channel *channel, int quota) | |
2889 | { | |
2890 | struct efx_nic *efx = channel->efx; | |
2891 | efx_qword_t event, *p_event; | |
2892 | unsigned int read_ptr; | |
2893 | int ev_code; | |
2894 | int tx_descs = 0; | |
2895 | int spent = 0; | |
2896 | ||
75363a46 EB |
2897 | if (quota <= 0) |
2898 | return spent; | |
2899 | ||
8127d661 BH |
2900 | read_ptr = channel->eventq_read_ptr; |
2901 | ||
2902 | for (;;) { | |
2903 | p_event = efx_event(channel, read_ptr); | |
2904 | event = *p_event; | |
2905 | ||
2906 | if (!efx_event_present(&event)) | |
2907 | break; | |
2908 | ||
2909 | EFX_SET_QWORD(*p_event); | |
2910 | ||
2911 | ++read_ptr; | |
2912 | ||
2913 | ev_code = EFX_QWORD_FIELD(event, ESF_DZ_EV_CODE); | |
2914 | ||
2915 | netif_vdbg(efx, drv, efx->net_dev, | |
2916 | "processing event on %d " EFX_QWORD_FMT "\n", | |
2917 | channel->channel, EFX_QWORD_VAL(event)); | |
2918 | ||
2919 | switch (ev_code) { | |
2920 | case ESE_DZ_EV_CODE_MCDI_EV: | |
2921 | efx_mcdi_process_event(channel, &event); | |
2922 | break; | |
2923 | case ESE_DZ_EV_CODE_RX_EV: | |
2924 | spent += efx_ef10_handle_rx_event(channel, &event); | |
2925 | if (spent >= quota) { | |
2926 | /* XXX can we split a merged event to | |
2927 | * avoid going over-quota? | |
2928 | */ | |
2929 | spent = quota; | |
2930 | goto out; | |
2931 | } | |
2932 | break; | |
2933 | case ESE_DZ_EV_CODE_TX_EV: | |
2934 | tx_descs += efx_ef10_handle_tx_event(channel, &event); | |
2935 | if (tx_descs > efx->txq_entries) { | |
2936 | spent = quota; | |
2937 | goto out; | |
2938 | } else if (++spent == quota) { | |
2939 | goto out; | |
2940 | } | |
2941 | break; | |
2942 | case ESE_DZ_EV_CODE_DRIVER_EV: | |
2943 | efx_ef10_handle_driver_event(channel, &event); | |
2944 | if (++spent == quota) | |
2945 | goto out; | |
2946 | break; | |
2947 | case EFX_EF10_DRVGEN_EV: | |
2948 | efx_ef10_handle_driver_generated_event(channel, &event); | |
2949 | break; | |
2950 | default: | |
2951 | netif_err(efx, hw, efx->net_dev, | |
2952 | "channel %d unknown event type %d" | |
2953 | " (data " EFX_QWORD_FMT ")\n", | |
2954 | channel->channel, ev_code, | |
2955 | EFX_QWORD_VAL(event)); | |
2956 | } | |
2957 | } | |
2958 | ||
2959 | out: | |
2960 | channel->eventq_read_ptr = read_ptr; | |
2961 | return spent; | |
2962 | } | |
2963 | ||
2964 | static void efx_ef10_ev_read_ack(struct efx_channel *channel) | |
2965 | { | |
2966 | struct efx_nic *efx = channel->efx; | |
2967 | efx_dword_t rptr; | |
2968 | ||
2969 | if (EFX_EF10_WORKAROUND_35388(efx)) { | |
2970 | BUILD_BUG_ON(EFX_MIN_EVQ_SIZE < | |
2971 | (1 << ERF_DD_EVQ_IND_RPTR_WIDTH)); | |
2972 | BUILD_BUG_ON(EFX_MAX_EVQ_SIZE > | |
2973 | (1 << 2 * ERF_DD_EVQ_IND_RPTR_WIDTH)); | |
2974 | ||
2975 | EFX_POPULATE_DWORD_2(rptr, ERF_DD_EVQ_IND_RPTR_FLAGS, | |
2976 | EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH, | |
2977 | ERF_DD_EVQ_IND_RPTR, | |
2978 | (channel->eventq_read_ptr & | |
2979 | channel->eventq_mask) >> | |
2980 | ERF_DD_EVQ_IND_RPTR_WIDTH); | |
2981 | efx_writed_page(efx, &rptr, ER_DD_EVQ_INDIRECT, | |
2982 | channel->channel); | |
2983 | EFX_POPULATE_DWORD_2(rptr, ERF_DD_EVQ_IND_RPTR_FLAGS, | |
2984 | EFE_DD_EVQ_IND_RPTR_FLAGS_LOW, | |
2985 | ERF_DD_EVQ_IND_RPTR, | |
2986 | channel->eventq_read_ptr & | |
2987 | ((1 << ERF_DD_EVQ_IND_RPTR_WIDTH) - 1)); | |
2988 | efx_writed_page(efx, &rptr, ER_DD_EVQ_INDIRECT, | |
2989 | channel->channel); | |
2990 | } else { | |
2991 | EFX_POPULATE_DWORD_1(rptr, ERF_DZ_EVQ_RPTR, | |
2992 | channel->eventq_read_ptr & | |
2993 | channel->eventq_mask); | |
2994 | efx_writed_page(efx, &rptr, ER_DZ_EVQ_RPTR, channel->channel); | |
2995 | } | |
2996 | } | |
2997 | ||
2998 | static void efx_ef10_ev_test_generate(struct efx_channel *channel) | |
2999 | { | |
3000 | MCDI_DECLARE_BUF(inbuf, MC_CMD_DRIVER_EVENT_IN_LEN); | |
3001 | struct efx_nic *efx = channel->efx; | |
3002 | efx_qword_t event; | |
3003 | int rc; | |
3004 | ||
3005 | EFX_POPULATE_QWORD_2(event, | |
3006 | ESF_DZ_EV_CODE, EFX_EF10_DRVGEN_EV, | |
3007 | ESF_DZ_EV_DATA, EFX_EF10_TEST); | |
3008 | ||
3009 | MCDI_SET_DWORD(inbuf, DRIVER_EVENT_IN_EVQ, channel->channel); | |
3010 | ||
3011 | /* MCDI_SET_QWORD is not appropriate here since EFX_POPULATE_* has | |
3012 | * already swapped the data to little-endian order. | |
3013 | */ | |
3014 | memcpy(MCDI_PTR(inbuf, DRIVER_EVENT_IN_DATA), &event.u64[0], | |
3015 | sizeof(efx_qword_t)); | |
3016 | ||
3017 | rc = efx_mcdi_rpc(efx, MC_CMD_DRIVER_EVENT, inbuf, sizeof(inbuf), | |
3018 | NULL, 0, NULL); | |
3019 | if (rc != 0) | |
3020 | goto fail; | |
3021 | ||
3022 | return; | |
3023 | ||
3024 | fail: | |
3025 | WARN_ON(true); | |
3026 | netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); | |
3027 | } | |
3028 | ||
3029 | void efx_ef10_handle_drain_event(struct efx_nic *efx) | |
3030 | { | |
3031 | if (atomic_dec_and_test(&efx->active_queues)) | |
3032 | wake_up(&efx->flush_wq); | |
3033 | ||
3034 | WARN_ON(atomic_read(&efx->active_queues) < 0); | |
3035 | } | |
3036 | ||
3037 | static int efx_ef10_fini_dmaq(struct efx_nic *efx) | |
3038 | { | |
3039 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
3040 | struct efx_channel *channel; | |
3041 | struct efx_tx_queue *tx_queue; | |
3042 | struct efx_rx_queue *rx_queue; | |
3043 | int pending; | |
3044 | ||
3045 | /* If the MC has just rebooted, the TX/RX queues will have already been | |
3046 | * torn down, but efx->active_queues needs to be set to zero. | |
3047 | */ | |
3048 | if (nic_data->must_realloc_vis) { | |
3049 | atomic_set(&efx->active_queues, 0); | |
3050 | return 0; | |
3051 | } | |
3052 | ||
3053 | /* Do not attempt to write to the NIC during EEH recovery */ | |
3054 | if (efx->state != STATE_RECOVERY) { | |
3055 | efx_for_each_channel(channel, efx) { | |
3056 | efx_for_each_channel_rx_queue(rx_queue, channel) | |
3057 | efx_ef10_rx_fini(rx_queue); | |
3058 | efx_for_each_channel_tx_queue(tx_queue, channel) | |
3059 | efx_ef10_tx_fini(tx_queue); | |
3060 | } | |
3061 | ||
3062 | wait_event_timeout(efx->flush_wq, | |
3063 | atomic_read(&efx->active_queues) == 0, | |
3064 | msecs_to_jiffies(EFX_MAX_FLUSH_TIME)); | |
3065 | pending = atomic_read(&efx->active_queues); | |
3066 | if (pending) { | |
3067 | netif_err(efx, hw, efx->net_dev, "failed to flush %d queues\n", | |
3068 | pending); | |
3069 | return -ETIMEDOUT; | |
3070 | } | |
3071 | } | |
3072 | ||
3073 | return 0; | |
3074 | } | |
3075 | ||
e283546c EC |
3076 | static void efx_ef10_prepare_flr(struct efx_nic *efx) |
3077 | { | |
3078 | atomic_set(&efx->active_queues, 0); | |
3079 | } | |
3080 | ||
8127d661 BH |
3081 | static bool efx_ef10_filter_equal(const struct efx_filter_spec *left, |
3082 | const struct efx_filter_spec *right) | |
3083 | { | |
3084 | if ((left->match_flags ^ right->match_flags) | | |
3085 | ((left->flags ^ right->flags) & | |
3086 | (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX))) | |
3087 | return false; | |
3088 | ||
3089 | return memcmp(&left->outer_vid, &right->outer_vid, | |
3090 | sizeof(struct efx_filter_spec) - | |
3091 | offsetof(struct efx_filter_spec, outer_vid)) == 0; | |
3092 | } | |
3093 | ||
3094 | static unsigned int efx_ef10_filter_hash(const struct efx_filter_spec *spec) | |
3095 | { | |
3096 | BUILD_BUG_ON(offsetof(struct efx_filter_spec, outer_vid) & 3); | |
3097 | return jhash2((const u32 *)&spec->outer_vid, | |
3098 | (sizeof(struct efx_filter_spec) - | |
3099 | offsetof(struct efx_filter_spec, outer_vid)) / 4, | |
3100 | 0); | |
3101 | /* XXX should we randomise the initval? */ | |
3102 | } | |
3103 | ||
3104 | /* Decide whether a filter should be exclusive or else should allow | |
3105 | * delivery to additional recipients. Currently we decide that | |
3106 | * filters for specific local unicast MAC and IP addresses are | |
3107 | * exclusive. | |
3108 | */ | |
3109 | static bool efx_ef10_filter_is_exclusive(const struct efx_filter_spec *spec) | |
3110 | { | |
3111 | if (spec->match_flags & EFX_FILTER_MATCH_LOC_MAC && | |
3112 | !is_multicast_ether_addr(spec->loc_mac)) | |
3113 | return true; | |
3114 | ||
3115 | if ((spec->match_flags & | |
3116 | (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_LOC_HOST)) == | |
3117 | (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_LOC_HOST)) { | |
3118 | if (spec->ether_type == htons(ETH_P_IP) && | |
3119 | !ipv4_is_multicast(spec->loc_host[0])) | |
3120 | return true; | |
3121 | if (spec->ether_type == htons(ETH_P_IPV6) && | |
3122 | ((const u8 *)spec->loc_host)[0] != 0xff) | |
3123 | return true; | |
3124 | } | |
3125 | ||
3126 | return false; | |
3127 | } | |
3128 | ||
3129 | static struct efx_filter_spec * | |
3130 | efx_ef10_filter_entry_spec(const struct efx_ef10_filter_table *table, | |
3131 | unsigned int filter_idx) | |
3132 | { | |
3133 | return (struct efx_filter_spec *)(table->entry[filter_idx].spec & | |
3134 | ~EFX_EF10_FILTER_FLAGS); | |
3135 | } | |
3136 | ||
3137 | static unsigned int | |
3138 | efx_ef10_filter_entry_flags(const struct efx_ef10_filter_table *table, | |
3139 | unsigned int filter_idx) | |
3140 | { | |
3141 | return table->entry[filter_idx].spec & EFX_EF10_FILTER_FLAGS; | |
3142 | } | |
3143 | ||
3144 | static void | |
3145 | efx_ef10_filter_set_entry(struct efx_ef10_filter_table *table, | |
3146 | unsigned int filter_idx, | |
3147 | const struct efx_filter_spec *spec, | |
3148 | unsigned int flags) | |
3149 | { | |
3150 | table->entry[filter_idx].spec = (unsigned long)spec | flags; | |
3151 | } | |
3152 | ||
3153 | static void efx_ef10_filter_push_prep(struct efx_nic *efx, | |
3154 | const struct efx_filter_spec *spec, | |
3155 | efx_dword_t *inbuf, u64 handle, | |
3156 | bool replacing) | |
3157 | { | |
3158 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
dcb4123c | 3159 | u32 flags = spec->flags; |
8127d661 BH |
3160 | |
3161 | memset(inbuf, 0, MC_CMD_FILTER_OP_IN_LEN); | |
3162 | ||
dcb4123c JC |
3163 | /* Remove RSS flag if we don't have an RSS context. */ |
3164 | if (flags & EFX_FILTER_FLAG_RX_RSS && | |
3165 | spec->rss_context == EFX_FILTER_RSS_CONTEXT_DEFAULT && | |
3166 | nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID) | |
3167 | flags &= ~EFX_FILTER_FLAG_RX_RSS; | |
3168 | ||
8127d661 BH |
3169 | if (replacing) { |
3170 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, | |
3171 | MC_CMD_FILTER_OP_IN_OP_REPLACE); | |
3172 | MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, handle); | |
3173 | } else { | |
3174 | u32 match_fields = 0; | |
3175 | ||
3176 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, | |
3177 | efx_ef10_filter_is_exclusive(spec) ? | |
3178 | MC_CMD_FILTER_OP_IN_OP_INSERT : | |
3179 | MC_CMD_FILTER_OP_IN_OP_SUBSCRIBE); | |
3180 | ||
3181 | /* Convert match flags and values. Unlike almost | |
3182 | * everything else in MCDI, these fields are in | |
3183 | * network byte order. | |
3184 | */ | |
3185 | if (spec->match_flags & EFX_FILTER_MATCH_LOC_MAC_IG) | |
3186 | match_fields |= | |
3187 | is_multicast_ether_addr(spec->loc_mac) ? | |
3188 | 1 << MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_MCAST_DST_LBN : | |
3189 | 1 << MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_UCAST_DST_LBN; | |
3190 | #define COPY_FIELD(gen_flag, gen_field, mcdi_field) \ | |
3191 | if (spec->match_flags & EFX_FILTER_MATCH_ ## gen_flag) { \ | |
3192 | match_fields |= \ | |
3193 | 1 << MC_CMD_FILTER_OP_IN_MATCH_ ## \ | |
3194 | mcdi_field ## _LBN; \ | |
3195 | BUILD_BUG_ON( \ | |
3196 | MC_CMD_FILTER_OP_IN_ ## mcdi_field ## _LEN < \ | |
3197 | sizeof(spec->gen_field)); \ | |
3198 | memcpy(MCDI_PTR(inbuf, FILTER_OP_IN_ ## mcdi_field), \ | |
3199 | &spec->gen_field, sizeof(spec->gen_field)); \ | |
3200 | } | |
3201 | COPY_FIELD(REM_HOST, rem_host, SRC_IP); | |
3202 | COPY_FIELD(LOC_HOST, loc_host, DST_IP); | |
3203 | COPY_FIELD(REM_MAC, rem_mac, SRC_MAC); | |
3204 | COPY_FIELD(REM_PORT, rem_port, SRC_PORT); | |
3205 | COPY_FIELD(LOC_MAC, loc_mac, DST_MAC); | |
3206 | COPY_FIELD(LOC_PORT, loc_port, DST_PORT); | |
3207 | COPY_FIELD(ETHER_TYPE, ether_type, ETHER_TYPE); | |
3208 | COPY_FIELD(INNER_VID, inner_vid, INNER_VLAN); | |
3209 | COPY_FIELD(OUTER_VID, outer_vid, OUTER_VLAN); | |
3210 | COPY_FIELD(IP_PROTO, ip_proto, IP_PROTO); | |
3211 | #undef COPY_FIELD | |
3212 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_MATCH_FIELDS, | |
3213 | match_fields); | |
3214 | } | |
3215 | ||
45b2449e | 3216 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_PORT_ID, nic_data->vport_id); |
8127d661 BH |
3217 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_DEST, |
3218 | spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? | |
3219 | MC_CMD_FILTER_OP_IN_RX_DEST_DROP : | |
3220 | MC_CMD_FILTER_OP_IN_RX_DEST_HOST); | |
e3d36293 | 3221 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_TX_DOMAIN, 0); |
8127d661 BH |
3222 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_TX_DEST, |
3223 | MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT); | |
a0bc3487 BH |
3224 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_QUEUE, |
3225 | spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? | |
3226 | 0 : spec->dmaq_id); | |
8127d661 | 3227 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE, |
dcb4123c | 3228 | (flags & EFX_FILTER_FLAG_RX_RSS) ? |
8127d661 BH |
3229 | MC_CMD_FILTER_OP_IN_RX_MODE_RSS : |
3230 | MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE); | |
dcb4123c | 3231 | if (flags & EFX_FILTER_FLAG_RX_RSS) |
8127d661 BH |
3232 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT, |
3233 | spec->rss_context != | |
3234 | EFX_FILTER_RSS_CONTEXT_DEFAULT ? | |
3235 | spec->rss_context : nic_data->rx_rss_context); | |
3236 | } | |
3237 | ||
3238 | static int efx_ef10_filter_push(struct efx_nic *efx, | |
3239 | const struct efx_filter_spec *spec, | |
3240 | u64 *handle, bool replacing) | |
3241 | { | |
3242 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); | |
3243 | MCDI_DECLARE_BUF(outbuf, MC_CMD_FILTER_OP_OUT_LEN); | |
3244 | int rc; | |
3245 | ||
3246 | efx_ef10_filter_push_prep(efx, spec, inbuf, *handle, replacing); | |
3247 | rc = efx_mcdi_rpc(efx, MC_CMD_FILTER_OP, inbuf, sizeof(inbuf), | |
3248 | outbuf, sizeof(outbuf), NULL); | |
3249 | if (rc == 0) | |
3250 | *handle = MCDI_QWORD(outbuf, FILTER_OP_OUT_HANDLE); | |
065e64c4 BH |
3251 | if (rc == -ENOSPC) |
3252 | rc = -EBUSY; /* to match efx_farch_filter_insert() */ | |
8127d661 BH |
3253 | return rc; |
3254 | } | |
3255 | ||
7ac0dd9d | 3256 | static u32 efx_ef10_filter_mcdi_flags_from_spec(const struct efx_filter_spec *spec) |
8127d661 | 3257 | { |
7ac0dd9d AR |
3258 | unsigned int match_flags = spec->match_flags; |
3259 | u32 mcdi_flags = 0; | |
3260 | ||
3261 | if (match_flags & EFX_FILTER_MATCH_LOC_MAC_IG) { | |
3262 | match_flags &= ~EFX_FILTER_MATCH_LOC_MAC_IG; | |
3263 | mcdi_flags |= | |
3264 | is_multicast_ether_addr(spec->loc_mac) ? | |
3265 | (1 << MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_MCAST_DST_LBN) : | |
3266 | (1 << MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_UCAST_DST_LBN); | |
3267 | } | |
3268 | ||
3269 | #define MAP_FILTER_TO_MCDI_FLAG(gen_flag, mcdi_field) { \ | |
3270 | unsigned int old_match_flags = match_flags; \ | |
3271 | match_flags &= ~EFX_FILTER_MATCH_ ## gen_flag; \ | |
3272 | if (match_flags != old_match_flags) \ | |
3273 | mcdi_flags |= \ | |
3274 | (1 << MC_CMD_FILTER_OP_IN_MATCH_ ## \ | |
3275 | mcdi_field ## _LBN); \ | |
3276 | } | |
3277 | MAP_FILTER_TO_MCDI_FLAG(REM_HOST, SRC_IP); | |
3278 | MAP_FILTER_TO_MCDI_FLAG(LOC_HOST, DST_IP); | |
3279 | MAP_FILTER_TO_MCDI_FLAG(REM_MAC, SRC_MAC); | |
3280 | MAP_FILTER_TO_MCDI_FLAG(REM_PORT, SRC_PORT); | |
3281 | MAP_FILTER_TO_MCDI_FLAG(LOC_MAC, DST_MAC); | |
3282 | MAP_FILTER_TO_MCDI_FLAG(LOC_PORT, DST_PORT); | |
3283 | MAP_FILTER_TO_MCDI_FLAG(ETHER_TYPE, ETHER_TYPE); | |
3284 | MAP_FILTER_TO_MCDI_FLAG(INNER_VID, INNER_VLAN); | |
3285 | MAP_FILTER_TO_MCDI_FLAG(OUTER_VID, OUTER_VLAN); | |
3286 | MAP_FILTER_TO_MCDI_FLAG(IP_PROTO, IP_PROTO); | |
3287 | #undef MAP_FILTER_TO_MCDI_FLAG | |
3288 | ||
3289 | /* Did we map them all? */ | |
3290 | WARN_ON_ONCE(match_flags); | |
3291 | ||
3292 | return mcdi_flags; | |
3293 | } | |
3294 | ||
3295 | static int efx_ef10_filter_pri(struct efx_ef10_filter_table *table, | |
3296 | const struct efx_filter_spec *spec) | |
3297 | { | |
3298 | u32 mcdi_flags = efx_ef10_filter_mcdi_flags_from_spec(spec); | |
8127d661 BH |
3299 | unsigned int match_pri; |
3300 | ||
3301 | for (match_pri = 0; | |
3302 | match_pri < table->rx_match_count; | |
3303 | match_pri++) | |
7ac0dd9d | 3304 | if (table->rx_match_mcdi_flags[match_pri] == mcdi_flags) |
8127d661 BH |
3305 | return match_pri; |
3306 | ||
3307 | return -EPROTONOSUPPORT; | |
3308 | } | |
3309 | ||
3310 | static s32 efx_ef10_filter_insert(struct efx_nic *efx, | |
3311 | struct efx_filter_spec *spec, | |
3312 | bool replace_equal) | |
3313 | { | |
3314 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3315 | DECLARE_BITMAP(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT); | |
3316 | struct efx_filter_spec *saved_spec; | |
3317 | unsigned int match_pri, hash; | |
3318 | unsigned int priv_flags; | |
3319 | bool replacing = false; | |
3320 | int ins_index = -1; | |
3321 | DEFINE_WAIT(wait); | |
3322 | bool is_mc_recip; | |
3323 | s32 rc; | |
3324 | ||
3325 | /* For now, only support RX filters */ | |
3326 | if ((spec->flags & (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX)) != | |
3327 | EFX_FILTER_FLAG_RX) | |
3328 | return -EINVAL; | |
3329 | ||
7ac0dd9d | 3330 | rc = efx_ef10_filter_pri(table, spec); |
8127d661 BH |
3331 | if (rc < 0) |
3332 | return rc; | |
3333 | match_pri = rc; | |
3334 | ||
3335 | hash = efx_ef10_filter_hash(spec); | |
3336 | is_mc_recip = efx_filter_is_mc_recipient(spec); | |
3337 | if (is_mc_recip) | |
3338 | bitmap_zero(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT); | |
3339 | ||
3340 | /* Find any existing filters with the same match tuple or | |
3341 | * else a free slot to insert at. If any of them are busy, | |
3342 | * we have to wait and retry. | |
3343 | */ | |
3344 | for (;;) { | |
3345 | unsigned int depth = 1; | |
3346 | unsigned int i; | |
3347 | ||
3348 | spin_lock_bh(&efx->filter_lock); | |
3349 | ||
3350 | for (;;) { | |
3351 | i = (hash + depth) & (HUNT_FILTER_TBL_ROWS - 1); | |
3352 | saved_spec = efx_ef10_filter_entry_spec(table, i); | |
3353 | ||
3354 | if (!saved_spec) { | |
3355 | if (ins_index < 0) | |
3356 | ins_index = i; | |
3357 | } else if (efx_ef10_filter_equal(spec, saved_spec)) { | |
3358 | if (table->entry[i].spec & | |
3359 | EFX_EF10_FILTER_FLAG_BUSY) | |
3360 | break; | |
3361 | if (spec->priority < saved_spec->priority && | |
7665d1ab | 3362 | spec->priority != EFX_FILTER_PRI_AUTO) { |
8127d661 BH |
3363 | rc = -EPERM; |
3364 | goto out_unlock; | |
3365 | } | |
3366 | if (!is_mc_recip) { | |
3367 | /* This is the only one */ | |
3368 | if (spec->priority == | |
3369 | saved_spec->priority && | |
3370 | !replace_equal) { | |
3371 | rc = -EEXIST; | |
3372 | goto out_unlock; | |
3373 | } | |
3374 | ins_index = i; | |
3375 | goto found; | |
3376 | } else if (spec->priority > | |
3377 | saved_spec->priority || | |
3378 | (spec->priority == | |
3379 | saved_spec->priority && | |
3380 | replace_equal)) { | |
3381 | if (ins_index < 0) | |
3382 | ins_index = i; | |
3383 | else | |
3384 | __set_bit(depth, mc_rem_map); | |
3385 | } | |
3386 | } | |
3387 | ||
3388 | /* Once we reach the maximum search depth, use | |
3389 | * the first suitable slot or return -EBUSY if | |
3390 | * there was none | |
3391 | */ | |
3392 | if (depth == EFX_EF10_FILTER_SEARCH_LIMIT) { | |
3393 | if (ins_index < 0) { | |
3394 | rc = -EBUSY; | |
3395 | goto out_unlock; | |
3396 | } | |
3397 | goto found; | |
3398 | } | |
3399 | ||
3400 | ++depth; | |
3401 | } | |
3402 | ||
3403 | prepare_to_wait(&table->waitq, &wait, TASK_UNINTERRUPTIBLE); | |
3404 | spin_unlock_bh(&efx->filter_lock); | |
3405 | schedule(); | |
3406 | } | |
3407 | ||
3408 | found: | |
3409 | /* Create a software table entry if necessary, and mark it | |
3410 | * busy. We might yet fail to insert, but any attempt to | |
3411 | * insert a conflicting filter while we're waiting for the | |
3412 | * firmware must find the busy entry. | |
3413 | */ | |
3414 | saved_spec = efx_ef10_filter_entry_spec(table, ins_index); | |
3415 | if (saved_spec) { | |
7665d1ab BH |
3416 | if (spec->priority == EFX_FILTER_PRI_AUTO && |
3417 | saved_spec->priority >= EFX_FILTER_PRI_AUTO) { | |
8127d661 | 3418 | /* Just make sure it won't be removed */ |
7665d1ab BH |
3419 | if (saved_spec->priority > EFX_FILTER_PRI_AUTO) |
3420 | saved_spec->flags |= EFX_FILTER_FLAG_RX_OVER_AUTO; | |
8127d661 | 3421 | table->entry[ins_index].spec &= |
b59e6ef8 | 3422 | ~EFX_EF10_FILTER_FLAG_AUTO_OLD; |
8127d661 BH |
3423 | rc = ins_index; |
3424 | goto out_unlock; | |
3425 | } | |
3426 | replacing = true; | |
3427 | priv_flags = efx_ef10_filter_entry_flags(table, ins_index); | |
3428 | } else { | |
3429 | saved_spec = kmalloc(sizeof(*spec), GFP_ATOMIC); | |
3430 | if (!saved_spec) { | |
3431 | rc = -ENOMEM; | |
3432 | goto out_unlock; | |
3433 | } | |
3434 | *saved_spec = *spec; | |
3435 | priv_flags = 0; | |
3436 | } | |
3437 | efx_ef10_filter_set_entry(table, ins_index, saved_spec, | |
3438 | priv_flags | EFX_EF10_FILTER_FLAG_BUSY); | |
3439 | ||
3440 | /* Mark lower-priority multicast recipients busy prior to removal */ | |
3441 | if (is_mc_recip) { | |
3442 | unsigned int depth, i; | |
3443 | ||
3444 | for (depth = 0; depth < EFX_EF10_FILTER_SEARCH_LIMIT; depth++) { | |
3445 | i = (hash + depth) & (HUNT_FILTER_TBL_ROWS - 1); | |
3446 | if (test_bit(depth, mc_rem_map)) | |
3447 | table->entry[i].spec |= | |
3448 | EFX_EF10_FILTER_FLAG_BUSY; | |
3449 | } | |
3450 | } | |
3451 | ||
3452 | spin_unlock_bh(&efx->filter_lock); | |
3453 | ||
3454 | rc = efx_ef10_filter_push(efx, spec, &table->entry[ins_index].handle, | |
3455 | replacing); | |
3456 | ||
3457 | /* Finalise the software table entry */ | |
3458 | spin_lock_bh(&efx->filter_lock); | |
3459 | if (rc == 0) { | |
3460 | if (replacing) { | |
3461 | /* Update the fields that may differ */ | |
7665d1ab BH |
3462 | if (saved_spec->priority == EFX_FILTER_PRI_AUTO) |
3463 | saved_spec->flags |= | |
3464 | EFX_FILTER_FLAG_RX_OVER_AUTO; | |
8127d661 | 3465 | saved_spec->priority = spec->priority; |
7665d1ab | 3466 | saved_spec->flags &= EFX_FILTER_FLAG_RX_OVER_AUTO; |
8127d661 BH |
3467 | saved_spec->flags |= spec->flags; |
3468 | saved_spec->rss_context = spec->rss_context; | |
3469 | saved_spec->dmaq_id = spec->dmaq_id; | |
3470 | } | |
3471 | } else if (!replacing) { | |
3472 | kfree(saved_spec); | |
3473 | saved_spec = NULL; | |
3474 | } | |
3475 | efx_ef10_filter_set_entry(table, ins_index, saved_spec, priv_flags); | |
3476 | ||
3477 | /* Remove and finalise entries for lower-priority multicast | |
3478 | * recipients | |
3479 | */ | |
3480 | if (is_mc_recip) { | |
3481 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); | |
3482 | unsigned int depth, i; | |
3483 | ||
3484 | memset(inbuf, 0, sizeof(inbuf)); | |
3485 | ||
3486 | for (depth = 0; depth < EFX_EF10_FILTER_SEARCH_LIMIT; depth++) { | |
3487 | if (!test_bit(depth, mc_rem_map)) | |
3488 | continue; | |
3489 | ||
3490 | i = (hash + depth) & (HUNT_FILTER_TBL_ROWS - 1); | |
3491 | saved_spec = efx_ef10_filter_entry_spec(table, i); | |
3492 | priv_flags = efx_ef10_filter_entry_flags(table, i); | |
3493 | ||
3494 | if (rc == 0) { | |
3495 | spin_unlock_bh(&efx->filter_lock); | |
3496 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, | |
3497 | MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE); | |
3498 | MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, | |
3499 | table->entry[i].handle); | |
3500 | rc = efx_mcdi_rpc(efx, MC_CMD_FILTER_OP, | |
3501 | inbuf, sizeof(inbuf), | |
3502 | NULL, 0, NULL); | |
3503 | spin_lock_bh(&efx->filter_lock); | |
3504 | } | |
3505 | ||
3506 | if (rc == 0) { | |
3507 | kfree(saved_spec); | |
3508 | saved_spec = NULL; | |
3509 | priv_flags = 0; | |
3510 | } else { | |
3511 | priv_flags &= ~EFX_EF10_FILTER_FLAG_BUSY; | |
3512 | } | |
3513 | efx_ef10_filter_set_entry(table, i, saved_spec, | |
3514 | priv_flags); | |
3515 | } | |
3516 | } | |
3517 | ||
3518 | /* If successful, return the inserted filter ID */ | |
3519 | if (rc == 0) | |
3520 | rc = match_pri * HUNT_FILTER_TBL_ROWS + ins_index; | |
3521 | ||
3522 | wake_up_all(&table->waitq); | |
3523 | out_unlock: | |
3524 | spin_unlock_bh(&efx->filter_lock); | |
3525 | finish_wait(&table->waitq, &wait); | |
3526 | return rc; | |
3527 | } | |
3528 | ||
9fd8095d | 3529 | static void efx_ef10_filter_update_rx_scatter(struct efx_nic *efx) |
8127d661 BH |
3530 | { |
3531 | /* no need to do anything here on EF10 */ | |
3532 | } | |
3533 | ||
3534 | /* Remove a filter. | |
b59e6ef8 BH |
3535 | * If !by_index, remove by ID |
3536 | * If by_index, remove by index | |
8127d661 BH |
3537 | * Filter ID may come from userland and must be range-checked. |
3538 | */ | |
3539 | static int efx_ef10_filter_remove_internal(struct efx_nic *efx, | |
fbd79120 | 3540 | unsigned int priority_mask, |
b59e6ef8 | 3541 | u32 filter_id, bool by_index) |
8127d661 BH |
3542 | { |
3543 | unsigned int filter_idx = filter_id % HUNT_FILTER_TBL_ROWS; | |
3544 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3545 | MCDI_DECLARE_BUF(inbuf, | |
3546 | MC_CMD_FILTER_OP_IN_HANDLE_OFST + | |
3547 | MC_CMD_FILTER_OP_IN_HANDLE_LEN); | |
3548 | struct efx_filter_spec *spec; | |
3549 | DEFINE_WAIT(wait); | |
3550 | int rc; | |
3551 | ||
3552 | /* Find the software table entry and mark it busy. Don't | |
3553 | * remove it yet; any attempt to update while we're waiting | |
3554 | * for the firmware must find the busy entry. | |
3555 | */ | |
3556 | for (;;) { | |
3557 | spin_lock_bh(&efx->filter_lock); | |
3558 | if (!(table->entry[filter_idx].spec & | |
3559 | EFX_EF10_FILTER_FLAG_BUSY)) | |
3560 | break; | |
3561 | prepare_to_wait(&table->waitq, &wait, TASK_UNINTERRUPTIBLE); | |
3562 | spin_unlock_bh(&efx->filter_lock); | |
3563 | schedule(); | |
3564 | } | |
7665d1ab | 3565 | |
8127d661 | 3566 | spec = efx_ef10_filter_entry_spec(table, filter_idx); |
7665d1ab | 3567 | if (!spec || |
b59e6ef8 | 3568 | (!by_index && |
7ac0dd9d | 3569 | efx_ef10_filter_pri(table, spec) != |
8127d661 BH |
3570 | filter_id / HUNT_FILTER_TBL_ROWS)) { |
3571 | rc = -ENOENT; | |
3572 | goto out_unlock; | |
3573 | } | |
7665d1ab BH |
3574 | |
3575 | if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO && | |
fbd79120 | 3576 | priority_mask == (1U << EFX_FILTER_PRI_AUTO)) { |
7665d1ab BH |
3577 | /* Just remove flags */ |
3578 | spec->flags &= ~EFX_FILTER_FLAG_RX_OVER_AUTO; | |
b59e6ef8 | 3579 | table->entry[filter_idx].spec &= ~EFX_EF10_FILTER_FLAG_AUTO_OLD; |
7665d1ab BH |
3580 | rc = 0; |
3581 | goto out_unlock; | |
3582 | } | |
3583 | ||
fbd79120 | 3584 | if (!(priority_mask & (1U << spec->priority))) { |
7665d1ab BH |
3585 | rc = -ENOENT; |
3586 | goto out_unlock; | |
3587 | } | |
3588 | ||
8127d661 BH |
3589 | table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_BUSY; |
3590 | spin_unlock_bh(&efx->filter_lock); | |
3591 | ||
7665d1ab | 3592 | if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO) { |
b59e6ef8 | 3593 | /* Reset to an automatic filter */ |
8127d661 BH |
3594 | |
3595 | struct efx_filter_spec new_spec = *spec; | |
3596 | ||
7665d1ab | 3597 | new_spec.priority = EFX_FILTER_PRI_AUTO; |
8127d661 | 3598 | new_spec.flags = (EFX_FILTER_FLAG_RX | |
f1c2ef40 BK |
3599 | (efx_rss_enabled(efx) ? |
3600 | EFX_FILTER_FLAG_RX_RSS : 0)); | |
8127d661 BH |
3601 | new_spec.dmaq_id = 0; |
3602 | new_spec.rss_context = EFX_FILTER_RSS_CONTEXT_DEFAULT; | |
3603 | rc = efx_ef10_filter_push(efx, &new_spec, | |
3604 | &table->entry[filter_idx].handle, | |
3605 | true); | |
3606 | ||
3607 | spin_lock_bh(&efx->filter_lock); | |
3608 | if (rc == 0) | |
3609 | *spec = new_spec; | |
3610 | } else { | |
3611 | /* Really remove the filter */ | |
3612 | ||
3613 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, | |
3614 | efx_ef10_filter_is_exclusive(spec) ? | |
3615 | MC_CMD_FILTER_OP_IN_OP_REMOVE : | |
3616 | MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE); | |
3617 | MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, | |
3618 | table->entry[filter_idx].handle); | |
3619 | rc = efx_mcdi_rpc(efx, MC_CMD_FILTER_OP, | |
3620 | inbuf, sizeof(inbuf), NULL, 0, NULL); | |
3621 | ||
3622 | spin_lock_bh(&efx->filter_lock); | |
3623 | if (rc == 0) { | |
3624 | kfree(spec); | |
3625 | efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); | |
3626 | } | |
3627 | } | |
7665d1ab | 3628 | |
8127d661 BH |
3629 | table->entry[filter_idx].spec &= ~EFX_EF10_FILTER_FLAG_BUSY; |
3630 | wake_up_all(&table->waitq); | |
3631 | out_unlock: | |
3632 | spin_unlock_bh(&efx->filter_lock); | |
3633 | finish_wait(&table->waitq, &wait); | |
3634 | return rc; | |
3635 | } | |
3636 | ||
3637 | static int efx_ef10_filter_remove_safe(struct efx_nic *efx, | |
3638 | enum efx_filter_priority priority, | |
3639 | u32 filter_id) | |
3640 | { | |
fbd79120 BH |
3641 | return efx_ef10_filter_remove_internal(efx, 1U << priority, |
3642 | filter_id, false); | |
8127d661 BH |
3643 | } |
3644 | ||
12fb0da4 EC |
3645 | static u32 efx_ef10_filter_get_unsafe_id(struct efx_nic *efx, u32 filter_id) |
3646 | { | |
3647 | return filter_id % HUNT_FILTER_TBL_ROWS; | |
3648 | } | |
3649 | ||
8c915620 EC |
3650 | static void efx_ef10_filter_remove_unsafe(struct efx_nic *efx, |
3651 | enum efx_filter_priority priority, | |
3652 | u32 filter_id) | |
12fb0da4 | 3653 | { |
8c915620 EC |
3654 | if (filter_id == EFX_EF10_FILTER_ID_INVALID) |
3655 | return; | |
3656 | efx_ef10_filter_remove_internal(efx, 1U << priority, filter_id, true); | |
12fb0da4 EC |
3657 | } |
3658 | ||
8127d661 BH |
3659 | static int efx_ef10_filter_get_safe(struct efx_nic *efx, |
3660 | enum efx_filter_priority priority, | |
3661 | u32 filter_id, struct efx_filter_spec *spec) | |
3662 | { | |
3663 | unsigned int filter_idx = filter_id % HUNT_FILTER_TBL_ROWS; | |
3664 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3665 | const struct efx_filter_spec *saved_spec; | |
3666 | int rc; | |
3667 | ||
3668 | spin_lock_bh(&efx->filter_lock); | |
3669 | saved_spec = efx_ef10_filter_entry_spec(table, filter_idx); | |
3670 | if (saved_spec && saved_spec->priority == priority && | |
7ac0dd9d | 3671 | efx_ef10_filter_pri(table, saved_spec) == |
8127d661 BH |
3672 | filter_id / HUNT_FILTER_TBL_ROWS) { |
3673 | *spec = *saved_spec; | |
3674 | rc = 0; | |
3675 | } else { | |
3676 | rc = -ENOENT; | |
3677 | } | |
3678 | spin_unlock_bh(&efx->filter_lock); | |
3679 | return rc; | |
3680 | } | |
3681 | ||
fbd79120 | 3682 | static int efx_ef10_filter_clear_rx(struct efx_nic *efx, |
8127d661 BH |
3683 | enum efx_filter_priority priority) |
3684 | { | |
fbd79120 BH |
3685 | unsigned int priority_mask; |
3686 | unsigned int i; | |
3687 | int rc; | |
3688 | ||
3689 | priority_mask = (((1U << (priority + 1)) - 1) & | |
3690 | ~(1U << EFX_FILTER_PRI_AUTO)); | |
3691 | ||
3692 | for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) { | |
3693 | rc = efx_ef10_filter_remove_internal(efx, priority_mask, | |
3694 | i, true); | |
3695 | if (rc && rc != -ENOENT) | |
3696 | return rc; | |
3697 | } | |
3698 | ||
3699 | return 0; | |
8127d661 BH |
3700 | } |
3701 | ||
3702 | static u32 efx_ef10_filter_count_rx_used(struct efx_nic *efx, | |
3703 | enum efx_filter_priority priority) | |
3704 | { | |
3705 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3706 | unsigned int filter_idx; | |
3707 | s32 count = 0; | |
3708 | ||
3709 | spin_lock_bh(&efx->filter_lock); | |
3710 | for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { | |
3711 | if (table->entry[filter_idx].spec && | |
3712 | efx_ef10_filter_entry_spec(table, filter_idx)->priority == | |
3713 | priority) | |
3714 | ++count; | |
3715 | } | |
3716 | spin_unlock_bh(&efx->filter_lock); | |
3717 | return count; | |
3718 | } | |
3719 | ||
3720 | static u32 efx_ef10_filter_get_rx_id_limit(struct efx_nic *efx) | |
3721 | { | |
3722 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3723 | ||
3724 | return table->rx_match_count * HUNT_FILTER_TBL_ROWS; | |
3725 | } | |
3726 | ||
3727 | static s32 efx_ef10_filter_get_rx_ids(struct efx_nic *efx, | |
3728 | enum efx_filter_priority priority, | |
3729 | u32 *buf, u32 size) | |
3730 | { | |
3731 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3732 | struct efx_filter_spec *spec; | |
3733 | unsigned int filter_idx; | |
3734 | s32 count = 0; | |
3735 | ||
3736 | spin_lock_bh(&efx->filter_lock); | |
3737 | for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { | |
3738 | spec = efx_ef10_filter_entry_spec(table, filter_idx); | |
3739 | if (spec && spec->priority == priority) { | |
3740 | if (count == size) { | |
3741 | count = -EMSGSIZE; | |
3742 | break; | |
3743 | } | |
7ac0dd9d | 3744 | buf[count++] = (efx_ef10_filter_pri(table, spec) * |
8127d661 BH |
3745 | HUNT_FILTER_TBL_ROWS + |
3746 | filter_idx); | |
3747 | } | |
3748 | } | |
3749 | spin_unlock_bh(&efx->filter_lock); | |
3750 | return count; | |
3751 | } | |
3752 | ||
3753 | #ifdef CONFIG_RFS_ACCEL | |
3754 | ||
3755 | static efx_mcdi_async_completer efx_ef10_filter_rfs_insert_complete; | |
3756 | ||
3757 | static s32 efx_ef10_filter_rfs_insert(struct efx_nic *efx, | |
3758 | struct efx_filter_spec *spec) | |
3759 | { | |
3760 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3761 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); | |
3762 | struct efx_filter_spec *saved_spec; | |
3763 | unsigned int hash, i, depth = 1; | |
3764 | bool replacing = false; | |
3765 | int ins_index = -1; | |
3766 | u64 cookie; | |
3767 | s32 rc; | |
3768 | ||
3769 | /* Must be an RX filter without RSS and not for a multicast | |
3770 | * destination address (RFS only works for connected sockets). | |
3771 | * These restrictions allow us to pass only a tiny amount of | |
3772 | * data through to the completion function. | |
3773 | */ | |
3774 | EFX_WARN_ON_PARANOID(spec->flags != | |
3775 | (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_RX_SCATTER)); | |
3776 | EFX_WARN_ON_PARANOID(spec->priority != EFX_FILTER_PRI_HINT); | |
3777 | EFX_WARN_ON_PARANOID(efx_filter_is_mc_recipient(spec)); | |
3778 | ||
3779 | hash = efx_ef10_filter_hash(spec); | |
3780 | ||
3781 | spin_lock_bh(&efx->filter_lock); | |
3782 | ||
3783 | /* Find any existing filter with the same match tuple or else | |
3784 | * a free slot to insert at. If an existing filter is busy, | |
3785 | * we have to give up. | |
3786 | */ | |
3787 | for (;;) { | |
3788 | i = (hash + depth) & (HUNT_FILTER_TBL_ROWS - 1); | |
3789 | saved_spec = efx_ef10_filter_entry_spec(table, i); | |
3790 | ||
3791 | if (!saved_spec) { | |
3792 | if (ins_index < 0) | |
3793 | ins_index = i; | |
3794 | } else if (efx_ef10_filter_equal(spec, saved_spec)) { | |
3795 | if (table->entry[i].spec & EFX_EF10_FILTER_FLAG_BUSY) { | |
3796 | rc = -EBUSY; | |
3797 | goto fail_unlock; | |
3798 | } | |
8127d661 BH |
3799 | if (spec->priority < saved_spec->priority) { |
3800 | rc = -EPERM; | |
3801 | goto fail_unlock; | |
3802 | } | |
3803 | ins_index = i; | |
3804 | break; | |
3805 | } | |
3806 | ||
3807 | /* Once we reach the maximum search depth, use the | |
3808 | * first suitable slot or return -EBUSY if there was | |
3809 | * none | |
3810 | */ | |
3811 | if (depth == EFX_EF10_FILTER_SEARCH_LIMIT) { | |
3812 | if (ins_index < 0) { | |
3813 | rc = -EBUSY; | |
3814 | goto fail_unlock; | |
3815 | } | |
3816 | break; | |
3817 | } | |
3818 | ||
3819 | ++depth; | |
3820 | } | |
3821 | ||
3822 | /* Create a software table entry if necessary, and mark it | |
3823 | * busy. We might yet fail to insert, but any attempt to | |
3824 | * insert a conflicting filter while we're waiting for the | |
3825 | * firmware must find the busy entry. | |
3826 | */ | |
3827 | saved_spec = efx_ef10_filter_entry_spec(table, ins_index); | |
3828 | if (saved_spec) { | |
3829 | replacing = true; | |
3830 | } else { | |
3831 | saved_spec = kmalloc(sizeof(*spec), GFP_ATOMIC); | |
3832 | if (!saved_spec) { | |
3833 | rc = -ENOMEM; | |
3834 | goto fail_unlock; | |
3835 | } | |
3836 | *saved_spec = *spec; | |
3837 | } | |
3838 | efx_ef10_filter_set_entry(table, ins_index, saved_spec, | |
3839 | EFX_EF10_FILTER_FLAG_BUSY); | |
3840 | ||
3841 | spin_unlock_bh(&efx->filter_lock); | |
3842 | ||
3843 | /* Pack up the variables needed on completion */ | |
3844 | cookie = replacing << 31 | ins_index << 16 | spec->dmaq_id; | |
3845 | ||
3846 | efx_ef10_filter_push_prep(efx, spec, inbuf, | |
3847 | table->entry[ins_index].handle, replacing); | |
3848 | efx_mcdi_rpc_async(efx, MC_CMD_FILTER_OP, inbuf, sizeof(inbuf), | |
3849 | MC_CMD_FILTER_OP_OUT_LEN, | |
3850 | efx_ef10_filter_rfs_insert_complete, cookie); | |
3851 | ||
3852 | return ins_index; | |
3853 | ||
3854 | fail_unlock: | |
3855 | spin_unlock_bh(&efx->filter_lock); | |
3856 | return rc; | |
3857 | } | |
3858 | ||
3859 | static void | |
3860 | efx_ef10_filter_rfs_insert_complete(struct efx_nic *efx, unsigned long cookie, | |
3861 | int rc, efx_dword_t *outbuf, | |
3862 | size_t outlen_actual) | |
3863 | { | |
3864 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3865 | unsigned int ins_index, dmaq_id; | |
3866 | struct efx_filter_spec *spec; | |
3867 | bool replacing; | |
3868 | ||
3869 | /* Unpack the cookie */ | |
3870 | replacing = cookie >> 31; | |
3871 | ins_index = (cookie >> 16) & (HUNT_FILTER_TBL_ROWS - 1); | |
3872 | dmaq_id = cookie & 0xffff; | |
3873 | ||
3874 | spin_lock_bh(&efx->filter_lock); | |
3875 | spec = efx_ef10_filter_entry_spec(table, ins_index); | |
3876 | if (rc == 0) { | |
3877 | table->entry[ins_index].handle = | |
3878 | MCDI_QWORD(outbuf, FILTER_OP_OUT_HANDLE); | |
3879 | if (replacing) | |
3880 | spec->dmaq_id = dmaq_id; | |
3881 | } else if (!replacing) { | |
3882 | kfree(spec); | |
3883 | spec = NULL; | |
3884 | } | |
3885 | efx_ef10_filter_set_entry(table, ins_index, spec, 0); | |
3886 | spin_unlock_bh(&efx->filter_lock); | |
3887 | ||
3888 | wake_up_all(&table->waitq); | |
3889 | } | |
3890 | ||
3891 | static void | |
3892 | efx_ef10_filter_rfs_expire_complete(struct efx_nic *efx, | |
3893 | unsigned long filter_idx, | |
3894 | int rc, efx_dword_t *outbuf, | |
3895 | size_t outlen_actual); | |
3896 | ||
3897 | static bool efx_ef10_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, | |
3898 | unsigned int filter_idx) | |
3899 | { | |
3900 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3901 | struct efx_filter_spec *spec = | |
3902 | efx_ef10_filter_entry_spec(table, filter_idx); | |
3903 | MCDI_DECLARE_BUF(inbuf, | |
3904 | MC_CMD_FILTER_OP_IN_HANDLE_OFST + | |
3905 | MC_CMD_FILTER_OP_IN_HANDLE_LEN); | |
3906 | ||
3907 | if (!spec || | |
3908 | (table->entry[filter_idx].spec & EFX_EF10_FILTER_FLAG_BUSY) || | |
3909 | spec->priority != EFX_FILTER_PRI_HINT || | |
3910 | !rps_may_expire_flow(efx->net_dev, spec->dmaq_id, | |
3911 | flow_id, filter_idx)) | |
3912 | return false; | |
3913 | ||
3914 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, | |
3915 | MC_CMD_FILTER_OP_IN_OP_REMOVE); | |
3916 | MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, | |
3917 | table->entry[filter_idx].handle); | |
3918 | if (efx_mcdi_rpc_async(efx, MC_CMD_FILTER_OP, inbuf, sizeof(inbuf), 0, | |
3919 | efx_ef10_filter_rfs_expire_complete, filter_idx)) | |
3920 | return false; | |
3921 | ||
3922 | table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_BUSY; | |
3923 | return true; | |
3924 | } | |
3925 | ||
3926 | static void | |
3927 | efx_ef10_filter_rfs_expire_complete(struct efx_nic *efx, | |
3928 | unsigned long filter_idx, | |
3929 | int rc, efx_dword_t *outbuf, | |
3930 | size_t outlen_actual) | |
3931 | { | |
3932 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3933 | struct efx_filter_spec *spec = | |
3934 | efx_ef10_filter_entry_spec(table, filter_idx); | |
3935 | ||
3936 | spin_lock_bh(&efx->filter_lock); | |
3937 | if (rc == 0) { | |
3938 | kfree(spec); | |
3939 | efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); | |
3940 | } | |
3941 | table->entry[filter_idx].spec &= ~EFX_EF10_FILTER_FLAG_BUSY; | |
3942 | wake_up_all(&table->waitq); | |
3943 | spin_unlock_bh(&efx->filter_lock); | |
3944 | } | |
3945 | ||
3946 | #endif /* CONFIG_RFS_ACCEL */ | |
3947 | ||
3948 | static int efx_ef10_filter_match_flags_from_mcdi(u32 mcdi_flags) | |
3949 | { | |
3950 | int match_flags = 0; | |
3951 | ||
3952 | #define MAP_FLAG(gen_flag, mcdi_field) { \ | |
3953 | u32 old_mcdi_flags = mcdi_flags; \ | |
3954 | mcdi_flags &= ~(1 << MC_CMD_FILTER_OP_IN_MATCH_ ## \ | |
3955 | mcdi_field ## _LBN); \ | |
3956 | if (mcdi_flags != old_mcdi_flags) \ | |
3957 | match_flags |= EFX_FILTER_MATCH_ ## gen_flag; \ | |
3958 | } | |
3959 | MAP_FLAG(LOC_MAC_IG, UNKNOWN_UCAST_DST); | |
3960 | MAP_FLAG(LOC_MAC_IG, UNKNOWN_MCAST_DST); | |
3961 | MAP_FLAG(REM_HOST, SRC_IP); | |
3962 | MAP_FLAG(LOC_HOST, DST_IP); | |
3963 | MAP_FLAG(REM_MAC, SRC_MAC); | |
3964 | MAP_FLAG(REM_PORT, SRC_PORT); | |
3965 | MAP_FLAG(LOC_MAC, DST_MAC); | |
3966 | MAP_FLAG(LOC_PORT, DST_PORT); | |
3967 | MAP_FLAG(ETHER_TYPE, ETHER_TYPE); | |
3968 | MAP_FLAG(INNER_VID, INNER_VLAN); | |
3969 | MAP_FLAG(OUTER_VID, OUTER_VLAN); | |
3970 | MAP_FLAG(IP_PROTO, IP_PROTO); | |
3971 | #undef MAP_FLAG | |
3972 | ||
3973 | /* Did we map them all? */ | |
3974 | if (mcdi_flags) | |
3975 | return -EINVAL; | |
3976 | ||
3977 | return match_flags; | |
3978 | } | |
3979 | ||
34813fe2 AR |
3980 | static void efx_ef10_filter_cleanup_vlans(struct efx_nic *efx) |
3981 | { | |
3982 | struct efx_ef10_filter_table *table = efx->filter_state; | |
3983 | struct efx_ef10_filter_vlan *vlan, *next_vlan; | |
3984 | ||
3985 | /* See comment in efx_ef10_filter_table_remove() */ | |
3986 | if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) | |
3987 | return; | |
3988 | ||
3989 | if (!table) | |
3990 | return; | |
3991 | ||
3992 | list_for_each_entry_safe(vlan, next_vlan, &table->vlan_list, list) | |
3993 | efx_ef10_filter_del_vlan_internal(efx, vlan); | |
3994 | } | |
3995 | ||
7ac0dd9d AR |
3996 | static bool efx_ef10_filter_match_supported(struct efx_ef10_filter_table *table, |
3997 | enum efx_filter_match_flags match_flags) | |
3998 | { | |
3999 | unsigned int match_pri; | |
4000 | int mf; | |
4001 | ||
4002 | for (match_pri = 0; | |
4003 | match_pri < table->rx_match_count; | |
4004 | match_pri++) { | |
4005 | mf = efx_ef10_filter_match_flags_from_mcdi( | |
4006 | table->rx_match_mcdi_flags[match_pri]); | |
4007 | if (mf == match_flags) | |
4008 | return true; | |
4009 | } | |
4010 | ||
4011 | return false; | |
4012 | } | |
4013 | ||
8127d661 BH |
4014 | static int efx_ef10_filter_table_probe(struct efx_nic *efx) |
4015 | { | |
4016 | MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_PARSER_DISP_INFO_IN_LEN); | |
4017 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PARSER_DISP_INFO_OUT_LENMAX); | |
34813fe2 | 4018 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
e4478ad1 | 4019 | struct net_device *net_dev = efx->net_dev; |
8127d661 BH |
4020 | unsigned int pd_match_pri, pd_match_count; |
4021 | struct efx_ef10_filter_table *table; | |
34813fe2 | 4022 | struct efx_ef10_vlan *vlan; |
8127d661 BH |
4023 | size_t outlen; |
4024 | int rc; | |
4025 | ||
dd98708c EC |
4026 | if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) |
4027 | return -EINVAL; | |
4028 | ||
4029 | if (efx->filter_state) /* already probed */ | |
4030 | return 0; | |
4031 | ||
8127d661 BH |
4032 | table = kzalloc(sizeof(*table), GFP_KERNEL); |
4033 | if (!table) | |
4034 | return -ENOMEM; | |
4035 | ||
4036 | /* Find out which RX filter types are supported, and their priorities */ | |
4037 | MCDI_SET_DWORD(inbuf, GET_PARSER_DISP_INFO_IN_OP, | |
4038 | MC_CMD_GET_PARSER_DISP_INFO_IN_OP_GET_SUPPORTED_RX_MATCHES); | |
4039 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_PARSER_DISP_INFO, | |
4040 | inbuf, sizeof(inbuf), outbuf, sizeof(outbuf), | |
4041 | &outlen); | |
4042 | if (rc) | |
4043 | goto fail; | |
4044 | pd_match_count = MCDI_VAR_ARRAY_LEN( | |
4045 | outlen, GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES); | |
4046 | table->rx_match_count = 0; | |
4047 | ||
4048 | for (pd_match_pri = 0; pd_match_pri < pd_match_count; pd_match_pri++) { | |
4049 | u32 mcdi_flags = | |
4050 | MCDI_ARRAY_DWORD( | |
4051 | outbuf, | |
4052 | GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES, | |
4053 | pd_match_pri); | |
4054 | rc = efx_ef10_filter_match_flags_from_mcdi(mcdi_flags); | |
4055 | if (rc < 0) { | |
4056 | netif_dbg(efx, probe, efx->net_dev, | |
4057 | "%s: fw flags %#x pri %u not supported in driver\n", | |
4058 | __func__, mcdi_flags, pd_match_pri); | |
4059 | } else { | |
4060 | netif_dbg(efx, probe, efx->net_dev, | |
4061 | "%s: fw flags %#x pri %u supported as driver flags %#x pri %u\n", | |
4062 | __func__, mcdi_flags, pd_match_pri, | |
4063 | rc, table->rx_match_count); | |
7ac0dd9d AR |
4064 | table->rx_match_mcdi_flags[table->rx_match_count] = mcdi_flags; |
4065 | table->rx_match_count++; | |
8127d661 BH |
4066 | } |
4067 | } | |
4068 | ||
e4478ad1 MH |
4069 | if ((efx_supported_features(efx) & NETIF_F_HW_VLAN_CTAG_FILTER) && |
4070 | !(efx_ef10_filter_match_supported(table, | |
4071 | (EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_MAC)) && | |
4072 | efx_ef10_filter_match_supported(table, | |
4073 | (EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_MAC_IG)))) { | |
4074 | netif_info(efx, probe, net_dev, | |
4075 | "VLAN filters are not supported in this firmware variant\n"); | |
4076 | net_dev->features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; | |
4077 | efx->fixed_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; | |
4078 | net_dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; | |
4079 | } | |
4080 | ||
8127d661 BH |
4081 | table->entry = vzalloc(HUNT_FILTER_TBL_ROWS * sizeof(*table->entry)); |
4082 | if (!table->entry) { | |
4083 | rc = -ENOMEM; | |
4084 | goto fail; | |
4085 | } | |
4086 | ||
b071c3a2 | 4087 | table->mc_promisc_last = false; |
4a53ea8a AR |
4088 | table->vlan_filter = |
4089 | !!(efx->net_dev->features & NETIF_F_HW_VLAN_CTAG_FILTER); | |
34813fe2 | 4090 | INIT_LIST_HEAD(&table->vlan_list); |
12fb0da4 | 4091 | |
8127d661 BH |
4092 | efx->filter_state = table; |
4093 | init_waitqueue_head(&table->waitq); | |
34813fe2 AR |
4094 | |
4095 | list_for_each_entry(vlan, &nic_data->vlan_list, list) { | |
4096 | rc = efx_ef10_filter_add_vlan(efx, vlan->vid); | |
4097 | if (rc) | |
4098 | goto fail_add_vlan; | |
4099 | } | |
4100 | ||
8127d661 BH |
4101 | return 0; |
4102 | ||
34813fe2 AR |
4103 | fail_add_vlan: |
4104 | efx_ef10_filter_cleanup_vlans(efx); | |
4105 | efx->filter_state = NULL; | |
8127d661 BH |
4106 | fail: |
4107 | kfree(table); | |
4108 | return rc; | |
4109 | } | |
4110 | ||
0d322413 EC |
4111 | /* Caller must hold efx->filter_sem for read if race against |
4112 | * efx_ef10_filter_table_remove() is possible | |
4113 | */ | |
8127d661 BH |
4114 | static void efx_ef10_filter_table_restore(struct efx_nic *efx) |
4115 | { | |
4116 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4117 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
4118 | struct efx_filter_spec *spec; | |
4119 | unsigned int filter_idx; | |
4120 | bool failed = false; | |
4121 | int rc; | |
4122 | ||
0d322413 EC |
4123 | WARN_ON(!rwsem_is_locked(&efx->filter_sem)); |
4124 | ||
8127d661 BH |
4125 | if (!nic_data->must_restore_filters) |
4126 | return; | |
4127 | ||
0d322413 EC |
4128 | if (!table) |
4129 | return; | |
4130 | ||
8127d661 BH |
4131 | spin_lock_bh(&efx->filter_lock); |
4132 | ||
4133 | for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { | |
4134 | spec = efx_ef10_filter_entry_spec(table, filter_idx); | |
4135 | if (!spec) | |
4136 | continue; | |
4137 | ||
4138 | table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_BUSY; | |
4139 | spin_unlock_bh(&efx->filter_lock); | |
4140 | ||
4141 | rc = efx_ef10_filter_push(efx, spec, | |
4142 | &table->entry[filter_idx].handle, | |
4143 | false); | |
4144 | if (rc) | |
4145 | failed = true; | |
4146 | ||
4147 | spin_lock_bh(&efx->filter_lock); | |
4148 | if (rc) { | |
4149 | kfree(spec); | |
4150 | efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); | |
4151 | } else { | |
4152 | table->entry[filter_idx].spec &= | |
4153 | ~EFX_EF10_FILTER_FLAG_BUSY; | |
4154 | } | |
4155 | } | |
4156 | ||
4157 | spin_unlock_bh(&efx->filter_lock); | |
4158 | ||
4159 | if (failed) | |
4160 | netif_err(efx, hw, efx->net_dev, | |
4161 | "unable to restore all filters\n"); | |
4162 | else | |
4163 | nic_data->must_restore_filters = false; | |
4164 | } | |
4165 | ||
4166 | static void efx_ef10_filter_table_remove(struct efx_nic *efx) | |
4167 | { | |
4168 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4169 | MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); | |
4170 | struct efx_filter_spec *spec; | |
4171 | unsigned int filter_idx; | |
4172 | int rc; | |
4173 | ||
34813fe2 | 4174 | efx_ef10_filter_cleanup_vlans(efx); |
0d322413 | 4175 | efx->filter_state = NULL; |
dd98708c EC |
4176 | /* If we were called without locking, then it's not safe to free |
4177 | * the table as others might be using it. So we just WARN, leak | |
4178 | * the memory, and potentially get an inconsistent filter table | |
4179 | * state. | |
4180 | * This should never actually happen. | |
4181 | */ | |
4182 | if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) | |
4183 | return; | |
4184 | ||
0d322413 EC |
4185 | if (!table) |
4186 | return; | |
4187 | ||
8127d661 BH |
4188 | for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { |
4189 | spec = efx_ef10_filter_entry_spec(table, filter_idx); | |
4190 | if (!spec) | |
4191 | continue; | |
4192 | ||
4193 | MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, | |
4194 | efx_ef10_filter_is_exclusive(spec) ? | |
4195 | MC_CMD_FILTER_OP_IN_OP_REMOVE : | |
4196 | MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE); | |
4197 | MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, | |
4198 | table->entry[filter_idx].handle); | |
e65a5109 BK |
4199 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FILTER_OP, inbuf, |
4200 | sizeof(inbuf), NULL, 0, NULL); | |
48ce5634 | 4201 | if (rc) |
e65a5109 BK |
4202 | netif_info(efx, drv, efx->net_dev, |
4203 | "%s: filter %04x remove failed\n", | |
4204 | __func__, filter_idx); | |
8127d661 BH |
4205 | kfree(spec); |
4206 | } | |
4207 | ||
4208 | vfree(table->entry); | |
4209 | kfree(table); | |
4210 | } | |
4211 | ||
6a37958b AR |
4212 | static void efx_ef10_filter_mark_one_old(struct efx_nic *efx, uint16_t *id) |
4213 | { | |
4214 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4215 | unsigned int filter_idx; | |
4216 | ||
4217 | if (*id != EFX_EF10_FILTER_ID_INVALID) { | |
4218 | filter_idx = efx_ef10_filter_get_unsafe_id(efx, *id); | |
4219 | if (!table->entry[filter_idx].spec) | |
4220 | netif_dbg(efx, drv, efx->net_dev, | |
4221 | "marked null spec old %04x:%04x\n", *id, | |
4222 | filter_idx); | |
4223 | table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_AUTO_OLD; | |
4224 | *id = EFX_EF10_FILTER_ID_INVALID; | |
e65a5109 | 4225 | } |
6a37958b AR |
4226 | } |
4227 | ||
b3a3c03c AR |
4228 | /* Mark old per-VLAN filters that may need to be removed */ |
4229 | static void _efx_ef10_filter_vlan_mark_old(struct efx_nic *efx, | |
4230 | struct efx_ef10_filter_vlan *vlan) | |
8127d661 BH |
4231 | { |
4232 | struct efx_ef10_filter_table *table = efx->filter_state; | |
6a37958b | 4233 | unsigned int i; |
8127d661 | 4234 | |
12fb0da4 | 4235 | for (i = 0; i < table->dev_uc_count; i++) |
dc3273e0 | 4236 | efx_ef10_filter_mark_one_old(efx, &vlan->uc[i]); |
12fb0da4 | 4237 | for (i = 0; i < table->dev_mc_count; i++) |
dc3273e0 AR |
4238 | efx_ef10_filter_mark_one_old(efx, &vlan->mc[i]); |
4239 | efx_ef10_filter_mark_one_old(efx, &vlan->ucdef); | |
4240 | efx_ef10_filter_mark_one_old(efx, &vlan->bcast); | |
4241 | efx_ef10_filter_mark_one_old(efx, &vlan->mcdef); | |
b3a3c03c AR |
4242 | } |
4243 | ||
34813fe2 AR |
4244 | /* Mark old filters that may need to be removed. |
4245 | * Caller must hold efx->filter_sem for read if race against | |
4246 | * efx_ef10_filter_table_remove() is possible | |
4247 | */ | |
b3a3c03c AR |
4248 | static void efx_ef10_filter_mark_old(struct efx_nic *efx) |
4249 | { | |
4250 | struct efx_ef10_filter_table *table = efx->filter_state; | |
34813fe2 | 4251 | struct efx_ef10_filter_vlan *vlan; |
b3a3c03c AR |
4252 | |
4253 | spin_lock_bh(&efx->filter_lock); | |
34813fe2 AR |
4254 | list_for_each_entry(vlan, &table->vlan_list, list) |
4255 | _efx_ef10_filter_vlan_mark_old(efx, vlan); | |
8127d661 | 4256 | spin_unlock_bh(&efx->filter_lock); |
822b96f8 DP |
4257 | } |
4258 | ||
afa4ce12 | 4259 | static void efx_ef10_filter_uc_addr_list(struct efx_nic *efx) |
822b96f8 DP |
4260 | { |
4261 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4262 | struct net_device *net_dev = efx->net_dev; | |
4263 | struct netdev_hw_addr *uc; | |
12fb0da4 | 4264 | int addr_count; |
822b96f8 | 4265 | unsigned int i; |
8127d661 | 4266 | |
12fb0da4 | 4267 | addr_count = netdev_uc_count(net_dev); |
afa4ce12 | 4268 | table->uc_promisc = !!(net_dev->flags & IFF_PROMISC); |
12fb0da4 | 4269 | table->dev_uc_count = 1 + addr_count; |
822b96f8 DP |
4270 | ether_addr_copy(table->dev_uc_list[0].addr, net_dev->dev_addr); |
4271 | i = 1; | |
4272 | netdev_for_each_uc_addr(uc, net_dev) { | |
12fb0da4 | 4273 | if (i >= EFX_EF10_FILTER_DEV_UC_MAX) { |
afa4ce12 | 4274 | table->uc_promisc = true; |
12fb0da4 EC |
4275 | break; |
4276 | } | |
822b96f8 DP |
4277 | ether_addr_copy(table->dev_uc_list[i].addr, uc->addr); |
4278 | i++; | |
4279 | } | |
4280 | } | |
4281 | ||
afa4ce12 | 4282 | static void efx_ef10_filter_mc_addr_list(struct efx_nic *efx) |
822b96f8 DP |
4283 | { |
4284 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4285 | struct net_device *net_dev = efx->net_dev; | |
4286 | struct netdev_hw_addr *mc; | |
ab8b1f7c | 4287 | unsigned int i, addr_count; |
822b96f8 | 4288 | |
afa4ce12 | 4289 | table->mc_promisc = !!(net_dev->flags & (IFF_PROMISC | IFF_ALLMULTI)); |
ab8b1f7c | 4290 | |
12fb0da4 EC |
4291 | addr_count = netdev_mc_count(net_dev); |
4292 | i = 0; | |
ab8b1f7c | 4293 | netdev_for_each_mc_addr(mc, net_dev) { |
12fb0da4 | 4294 | if (i >= EFX_EF10_FILTER_DEV_MC_MAX) { |
afa4ce12 | 4295 | table->mc_promisc = true; |
12fb0da4 EC |
4296 | break; |
4297 | } | |
ab8b1f7c DP |
4298 | ether_addr_copy(table->dev_mc_list[i].addr, mc->addr); |
4299 | i++; | |
8127d661 | 4300 | } |
12fb0da4 EC |
4301 | |
4302 | table->dev_mc_count = i; | |
822b96f8 | 4303 | } |
8127d661 | 4304 | |
12fb0da4 | 4305 | static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, |
b3a3c03c AR |
4306 | struct efx_ef10_filter_vlan *vlan, |
4307 | bool multicast, bool rollback) | |
822b96f8 DP |
4308 | { |
4309 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4310 | struct efx_ef10_dev_addr *addr_list; | |
f1c2ef40 | 4311 | enum efx_filter_flags filter_flags; |
822b96f8 | 4312 | struct efx_filter_spec spec; |
12fb0da4 EC |
4313 | u8 baddr[ETH_ALEN]; |
4314 | unsigned int i, j; | |
4315 | int addr_count; | |
dc3273e0 | 4316 | u16 *ids; |
822b96f8 DP |
4317 | int rc; |
4318 | ||
4319 | if (multicast) { | |
4320 | addr_list = table->dev_mc_list; | |
12fb0da4 | 4321 | addr_count = table->dev_mc_count; |
dc3273e0 | 4322 | ids = vlan->mc; |
822b96f8 DP |
4323 | } else { |
4324 | addr_list = table->dev_uc_list; | |
12fb0da4 | 4325 | addr_count = table->dev_uc_count; |
dc3273e0 | 4326 | ids = vlan->uc; |
8127d661 BH |
4327 | } |
4328 | ||
f1c2ef40 BK |
4329 | filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0; |
4330 | ||
822b96f8 | 4331 | /* Insert/renew filters */ |
12fb0da4 | 4332 | for (i = 0; i < addr_count; i++) { |
f1c2ef40 | 4333 | efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); |
b3a3c03c | 4334 | efx_filter_set_eth_local(&spec, vlan->vid, addr_list[i].addr); |
b6f568e2 JC |
4335 | rc = efx_ef10_filter_insert(efx, &spec, true); |
4336 | if (rc < 0) { | |
12fb0da4 EC |
4337 | if (rollback) { |
4338 | netif_info(efx, drv, efx->net_dev, | |
4339 | "efx_ef10_filter_insert failed rc=%d\n", | |
4340 | rc); | |
4341 | /* Fall back to promiscuous */ | |
4342 | for (j = 0; j < i; j++) { | |
12fb0da4 EC |
4343 | efx_ef10_filter_remove_unsafe( |
4344 | efx, EFX_FILTER_PRI_AUTO, | |
dc3273e0 AR |
4345 | ids[j]); |
4346 | ids[j] = EFX_EF10_FILTER_ID_INVALID; | |
12fb0da4 EC |
4347 | } |
4348 | return rc; | |
4349 | } else { | |
4350 | /* mark as not inserted, and carry on */ | |
4351 | rc = EFX_EF10_FILTER_ID_INVALID; | |
822b96f8 | 4352 | } |
8127d661 | 4353 | } |
dc3273e0 | 4354 | ids[i] = efx_ef10_filter_get_unsafe_id(efx, rc); |
8127d661 | 4355 | } |
822b96f8 | 4356 | |
12fb0da4 EC |
4357 | if (multicast && rollback) { |
4358 | /* Also need an Ethernet broadcast filter */ | |
f1c2ef40 | 4359 | efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); |
12fb0da4 | 4360 | eth_broadcast_addr(baddr); |
b3a3c03c | 4361 | efx_filter_set_eth_local(&spec, vlan->vid, baddr); |
8127d661 | 4362 | rc = efx_ef10_filter_insert(efx, &spec, true); |
12fb0da4 | 4363 | if (rc < 0) { |
822b96f8 | 4364 | netif_warn(efx, drv, efx->net_dev, |
12fb0da4 EC |
4365 | "Broadcast filter insert failed rc=%d\n", rc); |
4366 | /* Fall back to promiscuous */ | |
4367 | for (j = 0; j < i; j++) { | |
12fb0da4 EC |
4368 | efx_ef10_filter_remove_unsafe( |
4369 | efx, EFX_FILTER_PRI_AUTO, | |
dc3273e0 AR |
4370 | ids[j]); |
4371 | ids[j] = EFX_EF10_FILTER_ID_INVALID; | |
12fb0da4 EC |
4372 | } |
4373 | return rc; | |
4374 | } else { | |
dc3273e0 | 4375 | EFX_WARN_ON_PARANOID(vlan->bcast != |
6a37958b | 4376 | EFX_EF10_FILTER_ID_INVALID); |
dc3273e0 | 4377 | vlan->bcast = efx_ef10_filter_get_unsafe_id(efx, rc); |
12fb0da4 | 4378 | } |
8127d661 | 4379 | } |
12fb0da4 EC |
4380 | |
4381 | return 0; | |
4382 | } | |
4383 | ||
b3a3c03c AR |
4384 | static int efx_ef10_filter_insert_def(struct efx_nic *efx, |
4385 | struct efx_ef10_filter_vlan *vlan, | |
4386 | bool multicast, bool rollback) | |
12fb0da4 | 4387 | { |
12fb0da4 | 4388 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
f1c2ef40 | 4389 | enum efx_filter_flags filter_flags; |
12fb0da4 EC |
4390 | struct efx_filter_spec spec; |
4391 | u8 baddr[ETH_ALEN]; | |
4392 | int rc; | |
4393 | ||
f1c2ef40 BK |
4394 | filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0; |
4395 | ||
4396 | efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); | |
12fb0da4 EC |
4397 | |
4398 | if (multicast) | |
4399 | efx_filter_set_mc_def(&spec); | |
4400 | else | |
4401 | efx_filter_set_uc_def(&spec); | |
4402 | ||
b3a3c03c AR |
4403 | if (vlan->vid != EFX_FILTER_VID_UNSPEC) |
4404 | efx_filter_set_eth_local(&spec, vlan->vid, NULL); | |
4405 | ||
12fb0da4 EC |
4406 | rc = efx_ef10_filter_insert(efx, &spec, true); |
4407 | if (rc < 0) { | |
09a04204 BK |
4408 | netif_printk(efx, drv, rc == -EPERM ? KERN_DEBUG : KERN_WARNING, |
4409 | efx->net_dev, | |
4410 | "%scast mismatch filter insert failed rc=%d\n", | |
4411 | multicast ? "Multi" : "Uni", rc); | |
12fb0da4 | 4412 | } else if (multicast) { |
dc3273e0 AR |
4413 | EFX_WARN_ON_PARANOID(vlan->mcdef != EFX_EF10_FILTER_ID_INVALID); |
4414 | vlan->mcdef = efx_ef10_filter_get_unsafe_id(efx, rc); | |
12fb0da4 EC |
4415 | if (!nic_data->workaround_26807) { |
4416 | /* Also need an Ethernet broadcast filter */ | |
4417 | efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, | |
f1c2ef40 | 4418 | filter_flags, 0); |
12fb0da4 | 4419 | eth_broadcast_addr(baddr); |
b3a3c03c | 4420 | efx_filter_set_eth_local(&spec, vlan->vid, baddr); |
12fb0da4 EC |
4421 | rc = efx_ef10_filter_insert(efx, &spec, true); |
4422 | if (rc < 0) { | |
4423 | netif_warn(efx, drv, efx->net_dev, | |
4424 | "Broadcast filter insert failed rc=%d\n", | |
4425 | rc); | |
4426 | if (rollback) { | |
4427 | /* Roll back the mc_def filter */ | |
4428 | efx_ef10_filter_remove_unsafe( | |
4429 | efx, EFX_FILTER_PRI_AUTO, | |
dc3273e0 AR |
4430 | vlan->mcdef); |
4431 | vlan->mcdef = EFX_EF10_FILTER_ID_INVALID; | |
12fb0da4 EC |
4432 | return rc; |
4433 | } | |
4434 | } else { | |
dc3273e0 | 4435 | EFX_WARN_ON_PARANOID(vlan->bcast != |
6a37958b | 4436 | EFX_EF10_FILTER_ID_INVALID); |
dc3273e0 | 4437 | vlan->bcast = efx_ef10_filter_get_unsafe_id(efx, rc); |
12fb0da4 EC |
4438 | } |
4439 | } | |
4440 | rc = 0; | |
4441 | } else { | |
dc3273e0 AR |
4442 | EFX_WARN_ON_PARANOID(vlan->ucdef != EFX_EF10_FILTER_ID_INVALID); |
4443 | vlan->ucdef = rc; | |
12fb0da4 EC |
4444 | rc = 0; |
4445 | } | |
4446 | return rc; | |
822b96f8 DP |
4447 | } |
4448 | ||
4449 | /* Remove filters that weren't renewed. Since nothing else changes the AUTO_OLD | |
4450 | * flag or removes these filters, we don't need to hold the filter_lock while | |
4451 | * scanning for these filters. | |
4452 | */ | |
4453 | static void efx_ef10_filter_remove_old(struct efx_nic *efx) | |
4454 | { | |
4455 | struct efx_ef10_filter_table *table = efx->filter_state; | |
e65a5109 BK |
4456 | int remove_failed = 0; |
4457 | int remove_noent = 0; | |
4458 | int rc; | |
822b96f8 | 4459 | int i; |
8127d661 | 4460 | |
8127d661 BH |
4461 | for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) { |
4462 | if (ACCESS_ONCE(table->entry[i].spec) & | |
b59e6ef8 | 4463 | EFX_EF10_FILTER_FLAG_AUTO_OLD) { |
e65a5109 BK |
4464 | rc = efx_ef10_filter_remove_internal(efx, |
4465 | 1U << EFX_FILTER_PRI_AUTO, i, true); | |
4466 | if (rc == -ENOENT) | |
4467 | remove_noent++; | |
4468 | else if (rc) | |
4469 | remove_failed++; | |
8127d661 BH |
4470 | } |
4471 | } | |
e65a5109 BK |
4472 | |
4473 | if (remove_failed) | |
4474 | netif_info(efx, drv, efx->net_dev, | |
4475 | "%s: failed to remove %d filters\n", | |
4476 | __func__, remove_failed); | |
4477 | if (remove_noent) | |
4478 | netif_info(efx, drv, efx->net_dev, | |
4479 | "%s: failed to remove %d non-existent filters\n", | |
4480 | __func__, remove_noent); | |
8127d661 BH |
4481 | } |
4482 | ||
7a186f47 DP |
4483 | static int efx_ef10_vport_set_mac_address(struct efx_nic *efx) |
4484 | { | |
4485 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
4486 | u8 mac_old[ETH_ALEN]; | |
4487 | int rc, rc2; | |
4488 | ||
4489 | /* Only reconfigure a PF-created vport */ | |
4490 | if (is_zero_ether_addr(nic_data->vport_mac)) | |
4491 | return 0; | |
4492 | ||
4493 | efx_device_detach_sync(efx); | |
4494 | efx_net_stop(efx->net_dev); | |
4495 | down_write(&efx->filter_sem); | |
4496 | efx_ef10_filter_table_remove(efx); | |
4497 | up_write(&efx->filter_sem); | |
4498 | ||
4499 | rc = efx_ef10_vadaptor_free(efx, nic_data->vport_id); | |
4500 | if (rc) | |
4501 | goto restore_filters; | |
4502 | ||
4503 | ether_addr_copy(mac_old, nic_data->vport_mac); | |
4504 | rc = efx_ef10_vport_del_mac(efx, nic_data->vport_id, | |
4505 | nic_data->vport_mac); | |
4506 | if (rc) | |
4507 | goto restore_vadaptor; | |
4508 | ||
4509 | rc = efx_ef10_vport_add_mac(efx, nic_data->vport_id, | |
4510 | efx->net_dev->dev_addr); | |
4511 | if (!rc) { | |
4512 | ether_addr_copy(nic_data->vport_mac, efx->net_dev->dev_addr); | |
4513 | } else { | |
4514 | rc2 = efx_ef10_vport_add_mac(efx, nic_data->vport_id, mac_old); | |
4515 | if (rc2) { | |
4516 | /* Failed to add original MAC, so clear vport_mac */ | |
4517 | eth_zero_addr(nic_data->vport_mac); | |
4518 | goto reset_nic; | |
4519 | } | |
4520 | } | |
4521 | ||
4522 | restore_vadaptor: | |
4523 | rc2 = efx_ef10_vadaptor_alloc(efx, nic_data->vport_id); | |
4524 | if (rc2) | |
4525 | goto reset_nic; | |
4526 | restore_filters: | |
4527 | down_write(&efx->filter_sem); | |
4528 | rc2 = efx_ef10_filter_table_probe(efx); | |
4529 | up_write(&efx->filter_sem); | |
4530 | if (rc2) | |
4531 | goto reset_nic; | |
4532 | ||
4533 | rc2 = efx_net_open(efx->net_dev); | |
4534 | if (rc2) | |
4535 | goto reset_nic; | |
4536 | ||
4537 | netif_device_attach(efx->net_dev); | |
4538 | ||
4539 | return rc; | |
4540 | ||
4541 | reset_nic: | |
4542 | netif_err(efx, drv, efx->net_dev, | |
4543 | "Failed to restore when changing MAC address - scheduling reset\n"); | |
4544 | efx_schedule_reset(efx, RESET_TYPE_DATAPATH); | |
4545 | ||
4546 | return rc ? rc : rc2; | |
4547 | } | |
4548 | ||
822b96f8 DP |
4549 | /* Caller must hold efx->filter_sem for read if race against |
4550 | * efx_ef10_filter_table_remove() is possible | |
4551 | */ | |
34813fe2 AR |
4552 | static void efx_ef10_filter_vlan_sync_rx_mode(struct efx_nic *efx, |
4553 | struct efx_ef10_filter_vlan *vlan) | |
822b96f8 DP |
4554 | { |
4555 | struct efx_ef10_filter_table *table = efx->filter_state; | |
ab8b1f7c | 4556 | struct efx_ef10_nic_data *nic_data = efx->nic_data; |
b3a3c03c | 4557 | |
4a53ea8a AR |
4558 | /* Do not install unspecified VID if VLAN filtering is enabled. |
4559 | * Do not install all specified VIDs if VLAN filtering is disabled. | |
4560 | */ | |
4561 | if ((vlan->vid == EFX_FILTER_VID_UNSPEC) == table->vlan_filter) | |
4562 | return; | |
4563 | ||
12fb0da4 | 4564 | /* Insert/renew unicast filters */ |
afa4ce12 | 4565 | if (table->uc_promisc) { |
b3a3c03c AR |
4566 | efx_ef10_filter_insert_def(efx, vlan, false, false); |
4567 | efx_ef10_filter_insert_addr_list(efx, vlan, false, false); | |
12fb0da4 EC |
4568 | } else { |
4569 | /* If any of the filters failed to insert, fall back to | |
4570 | * promiscuous mode - add in the uc_def filter. But keep | |
4571 | * our individual unicast filters. | |
4572 | */ | |
b3a3c03c AR |
4573 | if (efx_ef10_filter_insert_addr_list(efx, vlan, false, false)) |
4574 | efx_ef10_filter_insert_def(efx, vlan, false, false); | |
12fb0da4 | 4575 | } |
ab8b1f7c | 4576 | |
12fb0da4 | 4577 | /* Insert/renew multicast filters */ |
ab8b1f7c DP |
4578 | /* If changing promiscuous state with cascaded multicast filters, remove |
4579 | * old filters first, so that packets are dropped rather than duplicated | |
4580 | */ | |
afa4ce12 AR |
4581 | if (nic_data->workaround_26807 && |
4582 | table->mc_promisc_last != table->mc_promisc) | |
ab8b1f7c | 4583 | efx_ef10_filter_remove_old(efx); |
afa4ce12 | 4584 | if (table->mc_promisc) { |
12fb0da4 EC |
4585 | if (nic_data->workaround_26807) { |
4586 | /* If we failed to insert promiscuous filters, rollback | |
4587 | * and fall back to individual multicast filters | |
4588 | */ | |
b3a3c03c | 4589 | if (efx_ef10_filter_insert_def(efx, vlan, true, true)) { |
12fb0da4 EC |
4590 | /* Changing promisc state, so remove old filters */ |
4591 | efx_ef10_filter_remove_old(efx); | |
b3a3c03c AR |
4592 | efx_ef10_filter_insert_addr_list(efx, vlan, |
4593 | true, false); | |
12fb0da4 EC |
4594 | } |
4595 | } else { | |
4596 | /* If we failed to insert promiscuous filters, don't | |
4597 | * rollback. Regardless, also insert the mc_list | |
4598 | */ | |
b3a3c03c AR |
4599 | efx_ef10_filter_insert_def(efx, vlan, true, false); |
4600 | efx_ef10_filter_insert_addr_list(efx, vlan, true, false); | |
12fb0da4 EC |
4601 | } |
4602 | } else { | |
4603 | /* If any filters failed to insert, rollback and fall back to | |
4604 | * promiscuous mode - mc_def filter and maybe broadcast. If | |
4605 | * that fails, roll back again and insert as many of our | |
4606 | * individual multicast filters as we can. | |
4607 | */ | |
b3a3c03c | 4608 | if (efx_ef10_filter_insert_addr_list(efx, vlan, true, true)) { |
12fb0da4 EC |
4609 | /* Changing promisc state, so remove old filters */ |
4610 | if (nic_data->workaround_26807) | |
4611 | efx_ef10_filter_remove_old(efx); | |
b3a3c03c AR |
4612 | if (efx_ef10_filter_insert_def(efx, vlan, true, true)) |
4613 | efx_ef10_filter_insert_addr_list(efx, vlan, | |
4614 | true, false); | |
12fb0da4 EC |
4615 | } |
4616 | } | |
34813fe2 AR |
4617 | } |
4618 | ||
4619 | /* Caller must hold efx->filter_sem for read if race against | |
4620 | * efx_ef10_filter_table_remove() is possible | |
4621 | */ | |
4622 | static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx) | |
4623 | { | |
4624 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4625 | struct net_device *net_dev = efx->net_dev; | |
4626 | struct efx_ef10_filter_vlan *vlan; | |
4a53ea8a | 4627 | bool vlan_filter; |
34813fe2 AR |
4628 | |
4629 | if (!efx_dev_registered(efx)) | |
4630 | return; | |
4631 | ||
4632 | if (!table) | |
4633 | return; | |
4634 | ||
4635 | efx_ef10_filter_mark_old(efx); | |
4636 | ||
4637 | /* Copy/convert the address lists; add the primary station | |
4638 | * address and broadcast address | |
4639 | */ | |
4640 | netif_addr_lock_bh(net_dev); | |
4641 | efx_ef10_filter_uc_addr_list(efx); | |
4642 | efx_ef10_filter_mc_addr_list(efx); | |
4643 | netif_addr_unlock_bh(net_dev); | |
4644 | ||
4a53ea8a AR |
4645 | /* If VLAN filtering changes, all old filters are finally removed. |
4646 | * Do it in advance to avoid conflicts for unicast untagged and | |
4647 | * VLAN 0 tagged filters. | |
4648 | */ | |
4649 | vlan_filter = !!(net_dev->features & NETIF_F_HW_VLAN_CTAG_FILTER); | |
4650 | if (table->vlan_filter != vlan_filter) { | |
4651 | table->vlan_filter = vlan_filter; | |
4652 | efx_ef10_filter_remove_old(efx); | |
4653 | } | |
4654 | ||
34813fe2 AR |
4655 | list_for_each_entry(vlan, &table->vlan_list, list) |
4656 | efx_ef10_filter_vlan_sync_rx_mode(efx, vlan); | |
822b96f8 DP |
4657 | |
4658 | efx_ef10_filter_remove_old(efx); | |
afa4ce12 | 4659 | table->mc_promisc_last = table->mc_promisc; |
822b96f8 DP |
4660 | } |
4661 | ||
34813fe2 AR |
4662 | static struct efx_ef10_filter_vlan *efx_ef10_filter_find_vlan(struct efx_nic *efx, u16 vid) |
4663 | { | |
4664 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4665 | struct efx_ef10_filter_vlan *vlan; | |
4666 | ||
4667 | WARN_ON(!rwsem_is_locked(&efx->filter_sem)); | |
4668 | ||
4669 | list_for_each_entry(vlan, &table->vlan_list, list) { | |
4670 | if (vlan->vid == vid) | |
4671 | return vlan; | |
4672 | } | |
4673 | ||
4674 | return NULL; | |
4675 | } | |
4676 | ||
4677 | static int efx_ef10_filter_add_vlan(struct efx_nic *efx, u16 vid) | |
4678 | { | |
4679 | struct efx_ef10_filter_table *table = efx->filter_state; | |
4680 | struct efx_ef10_filter_vlan *vlan; | |
4681 | unsigned int i; | |
4682 | ||
4683 | if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) | |
4684 | return -EINVAL; | |
4685 | ||
4686 | vlan = efx_ef10_filter_find_vlan(efx, vid); | |
4687 | if (WARN_ON(vlan)) { | |
4688 | netif_err(efx, drv, efx->net_dev, | |
4689 | "VLAN %u already added\n", vid); | |
4690 | return -EALREADY; | |
4691 | } | |
4692 | ||
4693 | vlan = kzalloc(sizeof(*vlan), GFP_KERNEL); | |
4694 | if (!vlan) | |
4695 | return -ENOMEM; | |
4696 | ||
4697 | vlan->vid = vid; | |
4698 | ||
4699 | for (i = 0; i < ARRAY_SIZE(vlan->uc); i++) | |
4700 | vlan->uc[i] = EFX_EF10_FILTER_ID_INVALID; | |
4701 | for (i = 0; i < ARRAY_SIZE(vlan->mc); i++) | |
4702 | vlan->mc[i] = EFX_EF10_FILTER_ID_INVALID; | |
4703 | vlan->ucdef = EFX_EF10_FILTER_ID_INVALID; | |
4704 | vlan->bcast = EFX_EF10_FILTER_ID_INVALID; | |
4705 | vlan->mcdef = EFX_EF10_FILTER_ID_INVALID; | |
4706 | ||
4707 | list_add_tail(&vlan->list, &table->vlan_list); | |
4708 | ||
4709 | if (efx_dev_registered(efx)) | |
4710 | efx_ef10_filter_vlan_sync_rx_mode(efx, vlan); | |
4711 | ||
4712 | return 0; | |
4713 | } | |
4714 | ||
4715 | static void efx_ef10_filter_del_vlan_internal(struct efx_nic *efx, | |
4716 | struct efx_ef10_filter_vlan *vlan) | |
4717 | { | |
4718 | unsigned int i; | |
4719 | ||
4720 | /* See comment in efx_ef10_filter_table_remove() */ | |
4721 | if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) | |
4722 | return; | |
4723 | ||
4724 | list_del(&vlan->list); | |
4725 | ||
8c915620 | 4726 | for (i = 0; i < ARRAY_SIZE(vlan->uc); i++) |
34813fe2 | 4727 | efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, |
8c915620 EC |
4728 | vlan->uc[i]); |
4729 | for (i = 0; i < ARRAY_SIZE(vlan->mc); i++) | |
34813fe2 | 4730 | efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, |
8c915620 EC |
4731 | vlan->mc[i]); |
4732 | efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, vlan->ucdef); | |
4733 | efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, vlan->bcast); | |
4734 | efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, vlan->mcdef); | |
34813fe2 AR |
4735 | |
4736 | kfree(vlan); | |
4737 | } | |
4738 | ||
4739 | static void efx_ef10_filter_del_vlan(struct efx_nic *efx, u16 vid) | |
4740 | { | |
4741 | struct efx_ef10_filter_vlan *vlan; | |
4742 | ||
4743 | /* See comment in efx_ef10_filter_table_remove() */ | |
4744 | if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) | |
4745 | return; | |
4746 | ||
4747 | vlan = efx_ef10_filter_find_vlan(efx, vid); | |
4748 | if (!vlan) { | |
4749 | netif_err(efx, drv, efx->net_dev, | |
4750 | "VLAN %u not found in filter state\n", vid); | |
4751 | return; | |
4752 | } | |
4753 | ||
4754 | efx_ef10_filter_del_vlan_internal(efx, vlan); | |
4755 | } | |
4756 | ||
910c8789 SS |
4757 | static int efx_ef10_set_mac_address(struct efx_nic *efx) |
4758 | { | |
4759 | MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN); | |
4760 | struct efx_ef10_nic_data *nic_data = efx->nic_data; | |
4761 | bool was_enabled = efx->port_enabled; | |
4762 | int rc; | |
4763 | ||
4764 | efx_device_detach_sync(efx); | |
4765 | efx_net_stop(efx->net_dev); | |
d248953a MH |
4766 | |
4767 | mutex_lock(&efx->mac_lock); | |
910c8789 SS |
4768 | down_write(&efx->filter_sem); |
4769 | efx_ef10_filter_table_remove(efx); | |
4770 | ||
4771 | ether_addr_copy(MCDI_PTR(inbuf, VADAPTOR_SET_MAC_IN_MACADDR), | |
4772 | efx->net_dev->dev_addr); | |
4773 | MCDI_SET_DWORD(inbuf, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID, | |
4774 | nic_data->vport_id); | |
535a6177 DP |
4775 | rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, |
4776 | sizeof(inbuf), NULL, 0, NULL); | |
910c8789 SS |
4777 | |
4778 | efx_ef10_filter_table_probe(efx); | |
4779 | up_write(&efx->filter_sem); | |
d248953a MH |
4780 | mutex_unlock(&efx->mac_lock); |
4781 | ||
910c8789 SS |
4782 | if (was_enabled) |
4783 | efx_net_open(efx->net_dev); | |
4784 | netif_device_attach(efx->net_dev); | |
4785 | ||
9e9f665a DP |
4786 | #ifdef CONFIG_SFC_SRIOV |
4787 | if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) { | |
910c8789 SS |
4788 | struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; |
4789 | ||
9e9f665a DP |
4790 | if (rc == -EPERM) { |
4791 | struct efx_nic *efx_pf; | |
910c8789 | 4792 | |
9e9f665a DP |
4793 | /* Switch to PF and change MAC address on vport */ |
4794 | efx_pf = pci_get_drvdata(pci_dev_pf); | |
910c8789 | 4795 | |
9e9f665a DP |
4796 | rc = efx_ef10_sriov_set_vf_mac(efx_pf, |
4797 | nic_data->vf_index, | |
4798 | efx->net_dev->dev_addr); | |
4799 | } else if (!rc) { | |
910c8789 SS |
4800 | struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); |
4801 | struct efx_ef10_nic_data *nic_data = efx_pf->nic_data; | |
4802 | unsigned int i; | |
4803 | ||
9e9f665a DP |
4804 | /* MAC address successfully changed by VF (with MAC |
4805 | * spoofing) so update the parent PF if possible. | |
4806 | */ | |
910c8789 SS |
4807 | for (i = 0; i < efx_pf->vf_count; ++i) { |
4808 | struct ef10_vf *vf = nic_data->vf + i; | |
4809 | ||
4810 | if (vf->efx == efx) { | |
4811 | ether_addr_copy(vf->mac, | |
4812 | efx->net_dev->dev_addr); | |
4813 | return 0; | |
4814 | } | |
4815 | } | |
4816 | } | |
9e9f665a | 4817 | } else |
910c8789 | 4818 | #endif |
9e9f665a DP |
4819 | if (rc == -EPERM) { |
4820 | netif_err(efx, drv, efx->net_dev, | |
4821 | "Cannot change MAC address; use sfboot to enable" | |
4822 | " mac-spoofing on this interface\n"); | |
7a186f47 DP |
4823 | } else if (rc == -ENOSYS && !efx_ef10_is_vf(efx)) { |
4824 | /* If the active MCFW does not support MC_CMD_VADAPTOR_SET_MAC | |
4825 | * fall-back to the method of changing the MAC address on the | |
4826 | * vport. This only applies to PFs because such versions of | |
4827 | * MCFW do not support VFs. | |
4828 | */ | |
4829 | rc = efx_ef10_vport_set_mac_address(efx); | |
535a6177 DP |
4830 | } else { |
4831 | efx_mcdi_display_error(efx, MC_CMD_VADAPTOR_SET_MAC, | |
4832 | sizeof(inbuf), NULL, 0, rc); | |
9e9f665a DP |
4833 | } |
4834 | ||
910c8789 SS |
4835 | return rc; |
4836 | } | |
4837 | ||
8127d661 BH |
4838 | static int efx_ef10_mac_reconfigure(struct efx_nic *efx) |
4839 | { | |
4840 | efx_ef10_filter_sync_rx_mode(efx); | |
4841 | ||
4842 | return efx_mcdi_set_mac(efx); | |
4843 | } | |
4844 | ||
862f894c SS |
4845 | static int efx_ef10_mac_reconfigure_vf(struct efx_nic *efx) |
4846 | { | |
4847 | efx_ef10_filter_sync_rx_mode(efx); | |
4848 | ||
4849 | return 0; | |
4850 | } | |
4851 | ||
74cd60a4 JC |
4852 | static int efx_ef10_start_bist(struct efx_nic *efx, u32 bist_type) |
4853 | { | |
4854 | MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN); | |
4855 | ||
4856 | MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_type); | |
4857 | return efx_mcdi_rpc(efx, MC_CMD_START_BIST, inbuf, sizeof(inbuf), | |
4858 | NULL, 0, NULL); | |
4859 | } | |
4860 | ||
4861 | /* MC BISTs follow a different poll mechanism to phy BISTs. | |
4862 | * The BIST is done in the poll handler on the MC, and the MCDI command | |
4863 | * will block until the BIST is done. | |
4864 | */ | |
4865 | static int efx_ef10_poll_bist(struct efx_nic *efx) | |
4866 | { | |
4867 | int rc; | |
4868 | MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_LEN); | |
4869 | size_t outlen; | |
4870 | u32 result; | |
4871 | ||
4872 | rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0, | |
4873 | outbuf, sizeof(outbuf), &outlen); | |
4874 | if (rc != 0) | |
4875 | return rc; | |
4876 | ||
4877 | if (outlen < MC_CMD_POLL_BIST_OUT_LEN) | |
4878 | return -EIO; | |
4879 | ||
4880 | result = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT); | |
4881 | switch (result) { | |
4882 | case MC_CMD_POLL_BIST_PASSED: | |
4883 | netif_dbg(efx, hw, efx->net_dev, "BIST passed.\n"); | |
4884 | return 0; | |
4885 | case MC_CMD_POLL_BIST_TIMEOUT: | |
4886 | netif_err(efx, hw, efx->net_dev, "BIST timed out\n"); | |
4887 | return -EIO; | |
4888 | case MC_CMD_POLL_BIST_FAILED: | |
4889 | netif_err(efx, hw, efx->net_dev, "BIST failed.\n"); | |
4890 | return -EIO; | |
4891 | default: | |
4892 | netif_err(efx, hw, efx->net_dev, | |
4893 | "BIST returned unknown result %u", result); | |
4894 | return -EIO; | |
4895 | } | |
4896 | } | |
4897 | ||
4898 | static int efx_ef10_run_bist(struct efx_nic *efx, u32 bist_type) | |
4899 | { | |
4900 | int rc; | |
4901 | ||
4902 | netif_dbg(efx, drv, efx->net_dev, "starting BIST type %u\n", bist_type); | |
4903 | ||
4904 | rc = efx_ef10_start_bist(efx, bist_type); | |
4905 | if (rc != 0) | |
4906 | return rc; | |
4907 | ||
4908 | return efx_ef10_poll_bist(efx); | |
4909 | } | |
4910 | ||
4911 | static int | |
4912 | efx_ef10_test_chip(struct efx_nic *efx, struct efx_self_tests *tests) | |
4913 | { | |
4914 | int rc, rc2; | |
4915 | ||
4916 | efx_reset_down(efx, RESET_TYPE_WORLD); | |
4917 | ||
4918 | rc = efx_mcdi_rpc(efx, MC_CMD_ENABLE_OFFLINE_BIST, | |
4919 | NULL, 0, NULL, 0, NULL); | |
4920 | if (rc != 0) | |
4921 | goto out; | |
4922 | ||
4923 | tests->memory = efx_ef10_run_bist(efx, MC_CMD_MC_MEM_BIST) ? -1 : 1; | |
4924 | tests->registers = efx_ef10_run_bist(efx, MC_CMD_REG_BIST) ? -1 : 1; | |
4925 | ||
4926 | rc = efx_mcdi_reset(efx, RESET_TYPE_WORLD); | |
4927 | ||
4928 | out: | |
27324820 DP |
4929 | if (rc == -EPERM) |
4930 | rc = 0; | |
74cd60a4 JC |
4931 | rc2 = efx_reset_up(efx, RESET_TYPE_WORLD, rc == 0); |
4932 | return rc ? rc : rc2; | |
4933 | } | |
4934 | ||
8127d661 BH |
4935 | #ifdef CONFIG_SFC_MTD |
4936 | ||
4937 | struct efx_ef10_nvram_type_info { | |
4938 | u16 type, type_mask; | |
4939 | u8 port; | |
4940 | const char *name; | |
4941 | }; | |
4942 | ||
4943 | static const struct efx_ef10_nvram_type_info efx_ef10_nvram_types[] = { | |
4944 | { NVRAM_PARTITION_TYPE_MC_FIRMWARE, 0, 0, "sfc_mcfw" }, | |
4945 | { NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 0, 0, "sfc_mcfw_backup" }, | |
4946 | { NVRAM_PARTITION_TYPE_EXPANSION_ROM, 0, 0, "sfc_exp_rom" }, | |
4947 | { NVRAM_PARTITION_TYPE_STATIC_CONFIG, 0, 0, "sfc_static_cfg" }, | |
4948 | { NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 0, 0, "sfc_dynamic_cfg" }, | |
4949 | { NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 0, 0, "sfc_exp_rom_cfg" }, | |
4950 | { NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT1, 0, 1, "sfc_exp_rom_cfg" }, | |
4951 | { NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT2, 0, 2, "sfc_exp_rom_cfg" }, | |
4952 | { NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT3, 0, 3, "sfc_exp_rom_cfg" }, | |
a84f3bf9 | 4953 | { NVRAM_PARTITION_TYPE_LICENSE, 0, 0, "sfc_license" }, |
8127d661 BH |
4954 | { NVRAM_PARTITION_TYPE_PHY_MIN, 0xff, 0, "sfc_phy_fw" }, |
4955 | }; | |
4956 | ||
4957 | static int efx_ef10_mtd_probe_partition(struct efx_nic *efx, | |
4958 | struct efx_mcdi_mtd_partition *part, | |
4959 | unsigned int type) | |
4960 | { | |
4961 | MCDI_DECLARE_BUF(inbuf, MC_CMD_NVRAM_METADATA_IN_LEN); | |
4962 | MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_METADATA_OUT_LENMAX); | |
4963 | const struct efx_ef10_nvram_type_info *info; | |
4964 | size_t size, erase_size, outlen; | |
4965 | bool protected; | |
4966 | int rc; | |
4967 | ||
4968 | for (info = efx_ef10_nvram_types; ; info++) { | |
4969 | if (info == | |
4970 | efx_ef10_nvram_types + ARRAY_SIZE(efx_ef10_nvram_types)) | |
4971 | return -ENODEV; | |
4972 | if ((type & ~info->type_mask) == info->type) | |
4973 | break; | |
4974 | } | |
4975 | if (info->port != efx_port_num(efx)) | |
4976 | return -ENODEV; | |
4977 | ||
4978 | rc = efx_mcdi_nvram_info(efx, type, &size, &erase_size, &protected); | |
4979 | if (rc) | |
4980 | return rc; | |
4981 | if (protected) | |
4982 | return -ENODEV; /* hide it */ | |
4983 | ||
4984 | part->nvram_type = type; | |
4985 | ||
4986 | MCDI_SET_DWORD(inbuf, NVRAM_METADATA_IN_TYPE, type); | |
4987 | rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_METADATA, inbuf, sizeof(inbuf), | |
4988 | outbuf, sizeof(outbuf), &outlen); | |
4989 | if (rc) | |
4990 | return rc; | |
4991 | if (outlen < MC_CMD_NVRAM_METADATA_OUT_LENMIN) | |
4992 | return -EIO; | |
4993 | if (MCDI_DWORD(outbuf, NVRAM_METADATA_OUT_FLAGS) & | |
4994 | (1 << MC_CMD_NVRAM_METADATA_OUT_SUBTYPE_VALID_LBN)) | |
4995 | part->fw_subtype = MCDI_DWORD(outbuf, | |
4996 | NVRAM_METADATA_OUT_SUBTYPE); | |
4997 | ||
4998 | part->common.dev_type_name = "EF10 NVRAM manager"; | |
4999 | part->common.type_name = info->name; | |
5000 | ||
5001 | part->common.mtd.type = MTD_NORFLASH; | |
5002 | part->common.mtd.flags = MTD_CAP_NORFLASH; | |
5003 | part->common.mtd.size = size; | |
5004 | part->common.mtd.erasesize = erase_size; | |
5005 | ||
5006 | return 0; | |
5007 | } | |
5008 | ||
5009 | static int efx_ef10_mtd_probe(struct efx_nic *efx) | |
5010 | { | |
5011 | MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX); | |
5012 | struct efx_mcdi_mtd_partition *parts; | |
5013 | size_t outlen, n_parts_total, i, n_parts; | |
5014 | unsigned int type; | |
5015 | int rc; | |
5016 | ||
5017 | ASSERT_RTNL(); | |
5018 | ||
5019 | BUILD_BUG_ON(MC_CMD_NVRAM_PARTITIONS_IN_LEN != 0); | |
5020 | rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_PARTITIONS, NULL, 0, | |
5021 | outbuf, sizeof(outbuf), &outlen); | |
5022 | if (rc) | |
5023 | return rc; | |
5024 | if (outlen < MC_CMD_NVRAM_PARTITIONS_OUT_LENMIN) | |
5025 | return -EIO; | |
5026 | ||
5027 | n_parts_total = MCDI_DWORD(outbuf, NVRAM_PARTITIONS_OUT_NUM_PARTITIONS); | |
5028 | if (n_parts_total > | |
5029 | MCDI_VAR_ARRAY_LEN(outlen, NVRAM_PARTITIONS_OUT_TYPE_ID)) | |
5030 | return -EIO; | |
5031 | ||
5032 | parts = kcalloc(n_parts_total, sizeof(*parts), GFP_KERNEL); | |
5033 | if (!parts) | |
5034 | return -ENOMEM; | |
5035 | ||
5036 | n_parts = 0; | |
5037 | for (i = 0; i < n_parts_total; i++) { | |
5038 | type = MCDI_ARRAY_DWORD(outbuf, NVRAM_PARTITIONS_OUT_TYPE_ID, | |
5039 | i); | |
5040 | rc = efx_ef10_mtd_probe_partition(efx, &parts[n_parts], type); | |
5041 | if (rc == 0) | |
5042 | n_parts++; | |
5043 | else if (rc != -ENODEV) | |
5044 | goto fail; | |
5045 | } | |
5046 | ||
5047 | rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts)); | |
5048 | fail: | |
5049 | if (rc) | |
5050 | kfree(parts); | |
5051 | return rc; | |
5052 | } | |
5053 | ||
5054 | #endif /* CONFIG_SFC_MTD */ | |
5055 | ||
5056 | static void efx_ef10_ptp_write_host_time(struct efx_nic *efx, u32 host_time) | |
5057 | { | |
5058 | _efx_writed(efx, cpu_to_le32(host_time), ER_DZ_MC_DB_LWRD); | |
5059 | } | |
5060 | ||
02246a7f SS |
5061 | static void efx_ef10_ptp_write_host_time_vf(struct efx_nic *efx, |
5062 | u32 host_time) {} | |
5063 | ||
bd9a265d JC |
5064 | static int efx_ef10_rx_enable_timestamping(struct efx_channel *channel, |
5065 | bool temp) | |
5066 | { | |
5067 | MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_TIME_EVENT_SUBSCRIBE_LEN); | |
5068 | int rc; | |
5069 | ||
5070 | if (channel->sync_events_state == SYNC_EVENTS_REQUESTED || | |
5071 | channel->sync_events_state == SYNC_EVENTS_VALID || | |
5072 | (temp && channel->sync_events_state == SYNC_EVENTS_DISABLED)) | |
5073 | return 0; | |
5074 | channel->sync_events_state = SYNC_EVENTS_REQUESTED; | |
5075 | ||
5076 | MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_TIME_EVENT_SUBSCRIBE); | |
5077 | MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0); | |
5078 | MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_SUBSCRIBE_QUEUE, | |
5079 | channel->channel); | |
5080 | ||
5081 | rc = efx_mcdi_rpc(channel->efx, MC_CMD_PTP, | |
5082 | inbuf, sizeof(inbuf), NULL, 0, NULL); | |
5083 | ||
5084 | if (rc != 0) | |
5085 | channel->sync_events_state = temp ? SYNC_EVENTS_QUIESCENT : | |
5086 | SYNC_EVENTS_DISABLED; | |
5087 | ||
5088 | return rc; | |
5089 | } | |
5090 | ||
5091 | static int efx_ef10_rx_disable_timestamping(struct efx_channel *channel, | |
5092 | bool temp) | |
5093 | { | |
5094 | MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_TIME_EVENT_UNSUBSCRIBE_LEN); | |
5095 | int rc; | |
5096 | ||
5097 | if (channel->sync_events_state == SYNC_EVENTS_DISABLED || | |
5098 | (temp && channel->sync_events_state == SYNC_EVENTS_QUIESCENT)) | |
5099 | return 0; | |
5100 | if (channel->sync_events_state == SYNC_EVENTS_QUIESCENT) { | |
5101 | channel->sync_events_state = SYNC_EVENTS_DISABLED; | |
5102 | return 0; | |
5103 | } | |
5104 | channel->sync_events_state = temp ? SYNC_EVENTS_QUIESCENT : | |
5105 | SYNC_EVENTS_DISABLED; | |
5106 | ||
5107 | MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_TIME_EVENT_UNSUBSCRIBE); | |
5108 | MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0); | |
5109 | MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_UNSUBSCRIBE_CONTROL, | |
5110 | MC_CMD_PTP_IN_TIME_EVENT_UNSUBSCRIBE_SINGLE); | |
5111 | MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_UNSUBSCRIBE_QUEUE, | |
5112 | channel->channel); | |
5113 | ||
5114 | rc = efx_mcdi_rpc(channel->efx, MC_CMD_PTP, | |
5115 | inbuf, sizeof(inbuf), NULL, 0, NULL); | |
5116 | ||
5117 | return rc; | |
5118 | } | |
5119 | ||
5120 | static int efx_ef10_ptp_set_ts_sync_events(struct efx_nic *efx, bool en, | |
5121 | bool temp) | |
5122 | { | |
5123 | int (*set)(struct efx_channel *channel, bool temp); | |
5124 | struct efx_channel *channel; | |
5125 | ||
5126 | set = en ? | |
5127 | efx_ef10_rx_enable_timestamping : | |
5128 | efx_ef10_rx_disable_timestamping; | |
5129 | ||
5130 | efx_for_each_channel(channel, efx) { | |
5131 | int rc = set(channel, temp); | |
5132 | if (en && rc != 0) { | |
5133 | efx_ef10_ptp_set_ts_sync_events(efx, false, temp); | |
5134 | return rc; | |
5135 | } | |
5136 | } | |
5137 | ||
5138 | return 0; | |
5139 | } | |
5140 | ||
02246a7f SS |
5141 | static int efx_ef10_ptp_set_ts_config_vf(struct efx_nic *efx, |
5142 | struct hwtstamp_config *init) | |
5143 | { | |
5144 | return -EOPNOTSUPP; | |
5145 | } | |
5146 | ||
bd9a265d JC |
5147 | static int efx_ef10_ptp_set_ts_config(struct efx_nic *efx, |
5148 | struct hwtstamp_config *init) | |
5149 | { | |
5150 | int rc; | |
5151 | ||
5152 | switch (init->rx_filter) { | |
5153 | case HWTSTAMP_FILTER_NONE: | |
5154 | efx_ef10_ptp_set_ts_sync_events(efx, false, false); | |
5155 | /* if TX timestamping is still requested then leave PTP on */ | |
5156 | return efx_ptp_change_mode(efx, | |
5157 | init->tx_type != HWTSTAMP_TX_OFF, 0); | |
5158 | case HWTSTAMP_FILTER_ALL: | |
5159 | case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: | |
5160 | case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: | |
5161 | case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: | |
5162 | case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: | |
5163 | case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: | |
5164 | case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: | |
5165 | case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: | |
5166 | case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: | |
5167 | case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: | |
5168 | case HWTSTAMP_FILTER_PTP_V2_EVENT: | |
5169 | case HWTSTAMP_FILTER_PTP_V2_SYNC: | |
5170 | case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: | |
5171 | init->rx_filter = HWTSTAMP_FILTER_ALL; | |
5172 | rc = efx_ptp_change_mode(efx, true, 0); | |
5173 | if (!rc) | |
5174 | rc = efx_ef10_ptp_set_ts_sync_events(efx, true, false); | |
5175 | if (rc) | |
5176 | efx_ptp_change_mode(efx, false, 0); | |
5177 | return rc; | |
5178 | default: | |
5179 | return -ERANGE; | |
5180 | } | |
5181 | } | |
5182 | ||
4a53ea8a AR |
5183 | static int efx_ef10_vlan_rx_add_vid(struct efx_nic *efx, __be16 proto, u16 vid) |
5184 | { | |
5185 | if (proto != htons(ETH_P_8021Q)) | |
5186 | return -EINVAL; | |
5187 | ||
5188 | return efx_ef10_add_vlan(efx, vid); | |
5189 | } | |
5190 | ||
5191 | static int efx_ef10_vlan_rx_kill_vid(struct efx_nic *efx, __be16 proto, u16 vid) | |
5192 | { | |
5193 | if (proto != htons(ETH_P_8021Q)) | |
5194 | return -EINVAL; | |
5195 | ||
5196 | return efx_ef10_del_vlan(efx, vid); | |
5197 | } | |
5198 | ||
100a9db5 AR |
5199 | #define EF10_OFFLOAD_FEATURES \ |
5200 | (NETIF_F_IP_CSUM | \ | |
4a53ea8a | 5201 | NETIF_F_HW_VLAN_CTAG_FILTER | \ |
100a9db5 AR |
5202 | NETIF_F_IPV6_CSUM | \ |
5203 | NETIF_F_RXHASH | \ | |
5204 | NETIF_F_NTUPLE) | |
5205 | ||
02246a7f | 5206 | const struct efx_nic_type efx_hunt_a0_vf_nic_type = { |
6f7f8aa6 | 5207 | .is_vf = true, |
02246a7f SS |
5208 | .mem_bar = EFX_MEM_VF_BAR, |
5209 | .mem_map_size = efx_ef10_mem_map_size, | |
5210 | .probe = efx_ef10_probe_vf, | |
5211 | .remove = efx_ef10_remove, | |
5212 | .dimension_resources = efx_ef10_dimension_resources, | |
5213 | .init = efx_ef10_init_nic, | |
5214 | .fini = efx_port_dummy_op_void, | |
087e9025 | 5215 | .map_reset_reason = efx_ef10_map_reset_reason, |
02246a7f SS |
5216 | .map_reset_flags = efx_ef10_map_reset_flags, |
5217 | .reset = efx_ef10_reset, | |
5218 | .probe_port = efx_mcdi_port_probe, | |
5219 | .remove_port = efx_mcdi_port_remove, | |
5220 | .fini_dmaq = efx_ef10_fini_dmaq, | |
5221 | .prepare_flr = efx_ef10_prepare_flr, | |
5222 | .finish_flr = efx_port_dummy_op_void, | |
5223 | .describe_stats = efx_ef10_describe_stats, | |
d7788196 | 5224 | .update_stats = efx_ef10_update_stats_vf, |
02246a7f SS |
5225 | .start_stats = efx_port_dummy_op_void, |
5226 | .pull_stats = efx_port_dummy_op_void, | |
5227 | .stop_stats = efx_port_dummy_op_void, | |
5228 | .set_id_led = efx_mcdi_set_id_led, | |
5229 | .push_irq_moderation = efx_ef10_push_irq_moderation, | |
862f894c | 5230 | .reconfigure_mac = efx_ef10_mac_reconfigure_vf, |
02246a7f SS |
5231 | .check_mac_fault = efx_mcdi_mac_check_fault, |
5232 | .reconfigure_port = efx_mcdi_port_reconfigure, | |
5233 | .get_wol = efx_ef10_get_wol_vf, | |
5234 | .set_wol = efx_ef10_set_wol_vf, | |
5235 | .resume_wol = efx_port_dummy_op_void, | |
5236 | .mcdi_request = efx_ef10_mcdi_request, | |
5237 | .mcdi_poll_response = efx_ef10_mcdi_poll_response, | |
5238 | .mcdi_read_response = efx_ef10_mcdi_read_response, | |
5239 | .mcdi_poll_reboot = efx_ef10_mcdi_poll_reboot, | |
c577e59e | 5240 | .mcdi_reboot_detected = efx_ef10_mcdi_reboot_detected, |
02246a7f SS |
5241 | .irq_enable_master = efx_port_dummy_op_void, |
5242 | .irq_test_generate = efx_ef10_irq_test_generate, | |
5243 | .irq_disable_non_ev = efx_port_dummy_op_void, | |
5244 | .irq_handle_msi = efx_ef10_msi_interrupt, | |
5245 | .irq_handle_legacy = efx_ef10_legacy_interrupt, | |
5246 | .tx_probe = efx_ef10_tx_probe, | |
5247 | .tx_init = efx_ef10_tx_init, | |
5248 | .tx_remove = efx_ef10_tx_remove, | |
5249 | .tx_write = efx_ef10_tx_write, | |
267c0157 | 5250 | .rx_push_rss_config = efx_ef10_vf_rx_push_rss_config, |
02246a7f SS |
5251 | .rx_probe = efx_ef10_rx_probe, |
5252 | .rx_init = efx_ef10_rx_init, | |
5253 | .rx_remove = efx_ef10_rx_remove, | |
5254 | .rx_write = efx_ef10_rx_write, | |
5255 | .rx_defer_refill = efx_ef10_rx_defer_refill, | |
5256 | .ev_probe = efx_ef10_ev_probe, | |
5257 | .ev_init = efx_ef10_ev_init, | |
5258 | .ev_fini = efx_ef10_ev_fini, | |
5259 | .ev_remove = efx_ef10_ev_remove, | |
5260 | .ev_process = efx_ef10_ev_process, | |
5261 | .ev_read_ack = efx_ef10_ev_read_ack, | |
5262 | .ev_test_generate = efx_ef10_ev_test_generate, | |
5263 | .filter_table_probe = efx_ef10_filter_table_probe, | |
5264 | .filter_table_restore = efx_ef10_filter_table_restore, | |
5265 | .filter_table_remove = efx_ef10_filter_table_remove, | |
5266 | .filter_update_rx_scatter = efx_ef10_filter_update_rx_scatter, | |
5267 | .filter_insert = efx_ef10_filter_insert, | |
5268 | .filter_remove_safe = efx_ef10_filter_remove_safe, | |
5269 | .filter_get_safe = efx_ef10_filter_get_safe, | |
5270 | .filter_clear_rx = efx_ef10_filter_clear_rx, | |
5271 | .filter_count_rx_used = efx_ef10_filter_count_rx_used, | |
5272 | .filter_get_rx_id_limit = efx_ef10_filter_get_rx_id_limit, | |
5273 | .filter_get_rx_ids = efx_ef10_filter_get_rx_ids, | |
5274 | #ifdef CONFIG_RFS_ACCEL | |
5275 | .filter_rfs_insert = efx_ef10_filter_rfs_insert, | |
5276 | .filter_rfs_expire_one = efx_ef10_filter_rfs_expire_one, | |
5277 | #endif | |
5278 | #ifdef CONFIG_SFC_MTD | |
5279 | .mtd_probe = efx_port_dummy_op_int, | |
5280 | #endif | |
5281 | .ptp_write_host_time = efx_ef10_ptp_write_host_time_vf, | |
5282 | .ptp_set_ts_config = efx_ef10_ptp_set_ts_config_vf, | |
4a53ea8a AR |
5283 | .vlan_rx_add_vid = efx_ef10_vlan_rx_add_vid, |
5284 | .vlan_rx_kill_vid = efx_ef10_vlan_rx_kill_vid, | |
02246a7f | 5285 | #ifdef CONFIG_SFC_SRIOV |
7b8c7b54 SS |
5286 | .vswitching_probe = efx_ef10_vswitching_probe_vf, |
5287 | .vswitching_restore = efx_ef10_vswitching_restore_vf, | |
5288 | .vswitching_remove = efx_ef10_vswitching_remove_vf, | |
1d051e00 | 5289 | .sriov_get_phys_port_id = efx_ef10_sriov_get_phys_port_id, |
02246a7f | 5290 | #endif |
0d5e0fbb | 5291 | .get_mac_address = efx_ef10_get_mac_address_vf, |
910c8789 | 5292 | .set_mac_address = efx_ef10_set_mac_address, |
0d5e0fbb | 5293 | |
02246a7f SS |
5294 | .revision = EFX_REV_HUNT_A0, |
5295 | .max_dma_mask = DMA_BIT_MASK(ESF_DZ_TX_KER_BUF_ADDR_WIDTH), | |
5296 | .rx_prefix_size = ES_DZ_RX_PREFIX_SIZE, | |
5297 | .rx_hash_offset = ES_DZ_RX_PREFIX_HASH_OFST, | |
5298 | .rx_ts_offset = ES_DZ_RX_PREFIX_TSTAMP_OFST, | |
5299 | .can_rx_scatter = true, | |
5300 | .always_rx_scatter = true, | |
5301 | .max_interrupt_mode = EFX_INT_MODE_MSIX, | |
5302 | .timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH, | |
100a9db5 | 5303 | .offload_features = EF10_OFFLOAD_FEATURES, |
02246a7f SS |
5304 | .mcdi_max_ver = 2, |
5305 | .max_rx_ip_filters = HUNT_FILTER_TBL_ROWS, | |
5306 | .hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE | | |
5307 | 1 << HWTSTAMP_FILTER_ALL, | |
5308 | }; | |
5309 | ||
8127d661 | 5310 | const struct efx_nic_type efx_hunt_a0_nic_type = { |
6f7f8aa6 | 5311 | .is_vf = false, |
02246a7f | 5312 | .mem_bar = EFX_MEM_BAR, |
8127d661 | 5313 | .mem_map_size = efx_ef10_mem_map_size, |
02246a7f | 5314 | .probe = efx_ef10_probe_pf, |
8127d661 BH |
5315 | .remove = efx_ef10_remove, |
5316 | .dimension_resources = efx_ef10_dimension_resources, | |
5317 | .init = efx_ef10_init_nic, | |
5318 | .fini = efx_port_dummy_op_void, | |
087e9025 | 5319 | .map_reset_reason = efx_ef10_map_reset_reason, |
8127d661 | 5320 | .map_reset_flags = efx_ef10_map_reset_flags, |
3e336261 | 5321 | .reset = efx_ef10_reset, |
8127d661 BH |
5322 | .probe_port = efx_mcdi_port_probe, |
5323 | .remove_port = efx_mcdi_port_remove, | |
5324 | .fini_dmaq = efx_ef10_fini_dmaq, | |
e283546c EC |
5325 | .prepare_flr = efx_ef10_prepare_flr, |
5326 | .finish_flr = efx_port_dummy_op_void, | |
8127d661 | 5327 | .describe_stats = efx_ef10_describe_stats, |
d7788196 | 5328 | .update_stats = efx_ef10_update_stats_pf, |
8127d661 | 5329 | .start_stats = efx_mcdi_mac_start_stats, |
f8f3b5ae | 5330 | .pull_stats = efx_mcdi_mac_pull_stats, |
8127d661 BH |
5331 | .stop_stats = efx_mcdi_mac_stop_stats, |
5332 | .set_id_led = efx_mcdi_set_id_led, | |
5333 | .push_irq_moderation = efx_ef10_push_irq_moderation, | |
5334 | .reconfigure_mac = efx_ef10_mac_reconfigure, | |
5335 | .check_mac_fault = efx_mcdi_mac_check_fault, | |
5336 | .reconfigure_port = efx_mcdi_port_reconfigure, | |
5337 | .get_wol = efx_ef10_get_wol, | |
5338 | .set_wol = efx_ef10_set_wol, | |
5339 | .resume_wol = efx_port_dummy_op_void, | |
74cd60a4 | 5340 | .test_chip = efx_ef10_test_chip, |
8127d661 BH |
5341 | .test_nvram = efx_mcdi_nvram_test_all, |
5342 | .mcdi_request = efx_ef10_mcdi_request, | |
5343 | .mcdi_poll_response = efx_ef10_mcdi_poll_response, | |
5344 | .mcdi_read_response = efx_ef10_mcdi_read_response, | |
5345 | .mcdi_poll_reboot = efx_ef10_mcdi_poll_reboot, | |
c577e59e | 5346 | .mcdi_reboot_detected = efx_ef10_mcdi_reboot_detected, |
8127d661 BH |
5347 | .irq_enable_master = efx_port_dummy_op_void, |
5348 | .irq_test_generate = efx_ef10_irq_test_generate, | |
5349 | .irq_disable_non_ev = efx_port_dummy_op_void, | |
5350 | .irq_handle_msi = efx_ef10_msi_interrupt, | |
5351 | .irq_handle_legacy = efx_ef10_legacy_interrupt, | |
5352 | .tx_probe = efx_ef10_tx_probe, | |
5353 | .tx_init = efx_ef10_tx_init, | |
5354 | .tx_remove = efx_ef10_tx_remove, | |
5355 | .tx_write = efx_ef10_tx_write, | |
267c0157 | 5356 | .rx_push_rss_config = efx_ef10_pf_rx_push_rss_config, |
8127d661 BH |
5357 | .rx_probe = efx_ef10_rx_probe, |
5358 | .rx_init = efx_ef10_rx_init, | |
5359 | .rx_remove = efx_ef10_rx_remove, | |
5360 | .rx_write = efx_ef10_rx_write, | |
5361 | .rx_defer_refill = efx_ef10_rx_defer_refill, | |
5362 | .ev_probe = efx_ef10_ev_probe, | |
5363 | .ev_init = efx_ef10_ev_init, | |
5364 | .ev_fini = efx_ef10_ev_fini, | |
5365 | .ev_remove = efx_ef10_ev_remove, | |
5366 | .ev_process = efx_ef10_ev_process, | |
5367 | .ev_read_ack = efx_ef10_ev_read_ack, | |
5368 | .ev_test_generate = efx_ef10_ev_test_generate, | |
5369 | .filter_table_probe = efx_ef10_filter_table_probe, | |
5370 | .filter_table_restore = efx_ef10_filter_table_restore, | |
5371 | .filter_table_remove = efx_ef10_filter_table_remove, | |
5372 | .filter_update_rx_scatter = efx_ef10_filter_update_rx_scatter, | |
5373 | .filter_insert = efx_ef10_filter_insert, | |
5374 | .filter_remove_safe = efx_ef10_filter_remove_safe, | |
5375 | .filter_get_safe = efx_ef10_filter_get_safe, | |
5376 | .filter_clear_rx = efx_ef10_filter_clear_rx, | |
5377 | .filter_count_rx_used = efx_ef10_filter_count_rx_used, | |
5378 | .filter_get_rx_id_limit = efx_ef10_filter_get_rx_id_limit, | |
5379 | .filter_get_rx_ids = efx_ef10_filter_get_rx_ids, | |
5380 | #ifdef CONFIG_RFS_ACCEL | |
5381 | .filter_rfs_insert = efx_ef10_filter_rfs_insert, | |
5382 | .filter_rfs_expire_one = efx_ef10_filter_rfs_expire_one, | |
5383 | #endif | |
5384 | #ifdef CONFIG_SFC_MTD | |
5385 | .mtd_probe = efx_ef10_mtd_probe, | |
5386 | .mtd_rename = efx_mcdi_mtd_rename, | |
5387 | .mtd_read = efx_mcdi_mtd_read, | |
5388 | .mtd_erase = efx_mcdi_mtd_erase, | |
5389 | .mtd_write = efx_mcdi_mtd_write, | |
5390 | .mtd_sync = efx_mcdi_mtd_sync, | |
5391 | #endif | |
5392 | .ptp_write_host_time = efx_ef10_ptp_write_host_time, | |
bd9a265d JC |
5393 | .ptp_set_ts_sync_events = efx_ef10_ptp_set_ts_sync_events, |
5394 | .ptp_set_ts_config = efx_ef10_ptp_set_ts_config, | |
4a53ea8a AR |
5395 | .vlan_rx_add_vid = efx_ef10_vlan_rx_add_vid, |
5396 | .vlan_rx_kill_vid = efx_ef10_vlan_rx_kill_vid, | |
7fa8d547 | 5397 | #ifdef CONFIG_SFC_SRIOV |
834e23dd | 5398 | .sriov_configure = efx_ef10_sriov_configure, |
d98a4ffe SS |
5399 | .sriov_init = efx_ef10_sriov_init, |
5400 | .sriov_fini = efx_ef10_sriov_fini, | |
d98a4ffe SS |
5401 | .sriov_wanted = efx_ef10_sriov_wanted, |
5402 | .sriov_reset = efx_ef10_sriov_reset, | |
7fa8d547 SS |
5403 | .sriov_flr = efx_ef10_sriov_flr, |
5404 | .sriov_set_vf_mac = efx_ef10_sriov_set_vf_mac, | |
5405 | .sriov_set_vf_vlan = efx_ef10_sriov_set_vf_vlan, | |
5406 | .sriov_set_vf_spoofchk = efx_ef10_sriov_set_vf_spoofchk, | |
5407 | .sriov_get_vf_config = efx_ef10_sriov_get_vf_config, | |
4392dc69 | 5408 | .sriov_set_vf_link_state = efx_ef10_sriov_set_vf_link_state, |
7b8c7b54 SS |
5409 | .vswitching_probe = efx_ef10_vswitching_probe_pf, |
5410 | .vswitching_restore = efx_ef10_vswitching_restore_pf, | |
5411 | .vswitching_remove = efx_ef10_vswitching_remove_pf, | |
7fa8d547 | 5412 | #endif |
0d5e0fbb | 5413 | .get_mac_address = efx_ef10_get_mac_address_pf, |
910c8789 | 5414 | .set_mac_address = efx_ef10_set_mac_address, |
8127d661 BH |
5415 | |
5416 | .revision = EFX_REV_HUNT_A0, | |
5417 | .max_dma_mask = DMA_BIT_MASK(ESF_DZ_TX_KER_BUF_ADDR_WIDTH), | |
5418 | .rx_prefix_size = ES_DZ_RX_PREFIX_SIZE, | |
5419 | .rx_hash_offset = ES_DZ_RX_PREFIX_HASH_OFST, | |
bd9a265d | 5420 | .rx_ts_offset = ES_DZ_RX_PREFIX_TSTAMP_OFST, |
8127d661 BH |
5421 | .can_rx_scatter = true, |
5422 | .always_rx_scatter = true, | |
5423 | .max_interrupt_mode = EFX_INT_MODE_MSIX, | |
5424 | .timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH, | |
100a9db5 | 5425 | .offload_features = EF10_OFFLOAD_FEATURES, |
8127d661 BH |
5426 | .mcdi_max_ver = 2, |
5427 | .max_rx_ip_filters = HUNT_FILTER_TBL_ROWS, | |
bd9a265d JC |
5428 | .hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE | |
5429 | 1 << HWTSTAMP_FILTER_ALL, | |
8127d661 | 5430 | }; |