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c0c050c5 MC |
1 | /* Broadcom NetXtreme-C/E network driver. |
2 | * | |
3 | * Copyright (c) 2014-2015 Broadcom Corporation | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation. | |
8 | */ | |
9 | ||
10 | #include <linux/ethtool.h> | |
11 | #include <linux/interrupt.h> | |
12 | #include <linux/pci.h> | |
13 | #include <linux/etherdevice.h> | |
14 | #include <linux/crc32.h> | |
15 | #include <linux/firmware.h> | |
16 | #include "bnxt_hsi.h" | |
17 | #include "bnxt.h" | |
18 | #include "bnxt_ethtool.h" | |
19 | #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */ | |
20 | #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */ | |
21 | #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100) | |
22 | ||
23 | static u32 bnxt_get_msglevel(struct net_device *dev) | |
24 | { | |
25 | struct bnxt *bp = netdev_priv(dev); | |
26 | ||
27 | return bp->msg_enable; | |
28 | } | |
29 | ||
30 | static void bnxt_set_msglevel(struct net_device *dev, u32 value) | |
31 | { | |
32 | struct bnxt *bp = netdev_priv(dev); | |
33 | ||
34 | bp->msg_enable = value; | |
35 | } | |
36 | ||
37 | static int bnxt_get_coalesce(struct net_device *dev, | |
38 | struct ethtool_coalesce *coal) | |
39 | { | |
40 | struct bnxt *bp = netdev_priv(dev); | |
41 | ||
42 | memset(coal, 0, sizeof(*coal)); | |
43 | ||
44 | coal->rx_coalesce_usecs = | |
45 | max_t(u16, BNXT_COAL_TIMER_TO_USEC(bp->coal_ticks), 1); | |
46 | coal->rx_max_coalesced_frames = bp->coal_bufs / 2; | |
47 | coal->rx_coalesce_usecs_irq = | |
48 | max_t(u16, BNXT_COAL_TIMER_TO_USEC(bp->coal_ticks_irq), 1); | |
49 | coal->rx_max_coalesced_frames_irq = bp->coal_bufs_irq / 2; | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
54 | static int bnxt_set_coalesce(struct net_device *dev, | |
55 | struct ethtool_coalesce *coal) | |
56 | { | |
57 | struct bnxt *bp = netdev_priv(dev); | |
58 | int rc = 0; | |
59 | ||
60 | bp->coal_ticks = BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs); | |
61 | bp->coal_bufs = coal->rx_max_coalesced_frames * 2; | |
62 | bp->coal_ticks_irq = | |
63 | BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs_irq); | |
64 | bp->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2; | |
65 | ||
66 | if (netif_running(dev)) | |
67 | rc = bnxt_hwrm_set_coal(bp); | |
68 | ||
69 | return rc; | |
70 | } | |
71 | ||
72 | #define BNXT_NUM_STATS 21 | |
73 | ||
74 | static int bnxt_get_sset_count(struct net_device *dev, int sset) | |
75 | { | |
76 | struct bnxt *bp = netdev_priv(dev); | |
77 | ||
78 | switch (sset) { | |
79 | case ETH_SS_STATS: | |
80 | return BNXT_NUM_STATS * bp->cp_nr_rings; | |
81 | default: | |
82 | return -EOPNOTSUPP; | |
83 | } | |
84 | } | |
85 | ||
86 | static void bnxt_get_ethtool_stats(struct net_device *dev, | |
87 | struct ethtool_stats *stats, u64 *buf) | |
88 | { | |
89 | u32 i, j = 0; | |
90 | struct bnxt *bp = netdev_priv(dev); | |
91 | u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; | |
92 | u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; | |
93 | ||
94 | memset(buf, 0, buf_size); | |
95 | ||
96 | if (!bp->bnapi) | |
97 | return; | |
98 | ||
99 | for (i = 0; i < bp->cp_nr_rings; i++) { | |
100 | struct bnxt_napi *bnapi = bp->bnapi[i]; | |
101 | struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; | |
102 | __le64 *hw_stats = (__le64 *)cpr->hw_stats; | |
103 | int k; | |
104 | ||
105 | for (k = 0; k < stat_fields; j++, k++) | |
106 | buf[j] = le64_to_cpu(hw_stats[k]); | |
107 | buf[j++] = cpr->rx_l4_csum_errors; | |
108 | } | |
109 | } | |
110 | ||
111 | static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) | |
112 | { | |
113 | struct bnxt *bp = netdev_priv(dev); | |
114 | u32 i; | |
115 | ||
116 | switch (stringset) { | |
117 | /* The number of strings must match BNXT_NUM_STATS defined above. */ | |
118 | case ETH_SS_STATS: | |
119 | for (i = 0; i < bp->cp_nr_rings; i++) { | |
120 | sprintf(buf, "[%d]: rx_ucast_packets", i); | |
121 | buf += ETH_GSTRING_LEN; | |
122 | sprintf(buf, "[%d]: rx_mcast_packets", i); | |
123 | buf += ETH_GSTRING_LEN; | |
124 | sprintf(buf, "[%d]: rx_bcast_packets", i); | |
125 | buf += ETH_GSTRING_LEN; | |
126 | sprintf(buf, "[%d]: rx_discards", i); | |
127 | buf += ETH_GSTRING_LEN; | |
128 | sprintf(buf, "[%d]: rx_drops", i); | |
129 | buf += ETH_GSTRING_LEN; | |
130 | sprintf(buf, "[%d]: rx_ucast_bytes", i); | |
131 | buf += ETH_GSTRING_LEN; | |
132 | sprintf(buf, "[%d]: rx_mcast_bytes", i); | |
133 | buf += ETH_GSTRING_LEN; | |
134 | sprintf(buf, "[%d]: rx_bcast_bytes", i); | |
135 | buf += ETH_GSTRING_LEN; | |
136 | sprintf(buf, "[%d]: tx_ucast_packets", i); | |
137 | buf += ETH_GSTRING_LEN; | |
138 | sprintf(buf, "[%d]: tx_mcast_packets", i); | |
139 | buf += ETH_GSTRING_LEN; | |
140 | sprintf(buf, "[%d]: tx_bcast_packets", i); | |
141 | buf += ETH_GSTRING_LEN; | |
142 | sprintf(buf, "[%d]: tx_discards", i); | |
143 | buf += ETH_GSTRING_LEN; | |
144 | sprintf(buf, "[%d]: tx_drops", i); | |
145 | buf += ETH_GSTRING_LEN; | |
146 | sprintf(buf, "[%d]: tx_ucast_bytes", i); | |
147 | buf += ETH_GSTRING_LEN; | |
148 | sprintf(buf, "[%d]: tx_mcast_bytes", i); | |
149 | buf += ETH_GSTRING_LEN; | |
150 | sprintf(buf, "[%d]: tx_bcast_bytes", i); | |
151 | buf += ETH_GSTRING_LEN; | |
152 | sprintf(buf, "[%d]: tpa_packets", i); | |
153 | buf += ETH_GSTRING_LEN; | |
154 | sprintf(buf, "[%d]: tpa_bytes", i); | |
155 | buf += ETH_GSTRING_LEN; | |
156 | sprintf(buf, "[%d]: tpa_events", i); | |
157 | buf += ETH_GSTRING_LEN; | |
158 | sprintf(buf, "[%d]: tpa_aborts", i); | |
159 | buf += ETH_GSTRING_LEN; | |
160 | sprintf(buf, "[%d]: rx_l4_csum_errors", i); | |
161 | buf += ETH_GSTRING_LEN; | |
162 | } | |
163 | break; | |
164 | default: | |
165 | netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", | |
166 | stringset); | |
167 | break; | |
168 | } | |
169 | } | |
170 | ||
171 | static void bnxt_get_ringparam(struct net_device *dev, | |
172 | struct ethtool_ringparam *ering) | |
173 | { | |
174 | struct bnxt *bp = netdev_priv(dev); | |
175 | ||
176 | ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; | |
177 | ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; | |
178 | ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; | |
179 | ||
180 | ering->rx_pending = bp->rx_ring_size; | |
181 | ering->rx_jumbo_pending = bp->rx_agg_ring_size; | |
182 | ering->tx_pending = bp->tx_ring_size; | |
183 | } | |
184 | ||
185 | static int bnxt_set_ringparam(struct net_device *dev, | |
186 | struct ethtool_ringparam *ering) | |
187 | { | |
188 | struct bnxt *bp = netdev_priv(dev); | |
189 | ||
190 | if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || | |
191 | (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || | |
192 | (ering->tx_pending <= MAX_SKB_FRAGS)) | |
193 | return -EINVAL; | |
194 | ||
195 | if (netif_running(dev)) | |
196 | bnxt_close_nic(bp, false, false); | |
197 | ||
198 | bp->rx_ring_size = ering->rx_pending; | |
199 | bp->tx_ring_size = ering->tx_pending; | |
200 | bnxt_set_ring_params(bp); | |
201 | ||
202 | if (netif_running(dev)) | |
203 | return bnxt_open_nic(bp, false, false); | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
208 | static void bnxt_get_channels(struct net_device *dev, | |
209 | struct ethtool_channels *channel) | |
210 | { | |
211 | struct bnxt *bp = netdev_priv(dev); | |
212 | int max_rx_rings, max_tx_rings, tcs; | |
213 | ||
6e6c5a57 | 214 | bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); |
c0c050c5 MC |
215 | tcs = netdev_get_num_tc(dev); |
216 | if (tcs > 1) | |
217 | max_tx_rings /= tcs; | |
218 | ||
219 | channel->max_rx = max_rx_rings; | |
220 | channel->max_tx = max_tx_rings; | |
221 | channel->max_other = 0; | |
222 | channel->max_combined = 0; | |
223 | channel->rx_count = bp->rx_nr_rings; | |
224 | channel->tx_count = bp->tx_nr_rings_per_tc; | |
225 | } | |
226 | ||
227 | static int bnxt_set_channels(struct net_device *dev, | |
228 | struct ethtool_channels *channel) | |
229 | { | |
230 | struct bnxt *bp = netdev_priv(dev); | |
231 | int max_rx_rings, max_tx_rings, tcs; | |
232 | u32 rc = 0; | |
233 | ||
234 | if (channel->other_count || channel->combined_count || | |
235 | !channel->rx_count || !channel->tx_count) | |
236 | return -EINVAL; | |
237 | ||
6e6c5a57 | 238 | bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); |
c0c050c5 MC |
239 | tcs = netdev_get_num_tc(dev); |
240 | if (tcs > 1) | |
241 | max_tx_rings /= tcs; | |
242 | ||
243 | if (channel->rx_count > max_rx_rings || | |
244 | channel->tx_count > max_tx_rings) | |
245 | return -EINVAL; | |
246 | ||
247 | if (netif_running(dev)) { | |
248 | if (BNXT_PF(bp)) { | |
249 | /* TODO CHIMP_FW: Send message to all VF's | |
250 | * before PF unload | |
251 | */ | |
252 | } | |
253 | rc = bnxt_close_nic(bp, true, false); | |
254 | if (rc) { | |
255 | netdev_err(bp->dev, "Set channel failure rc :%x\n", | |
256 | rc); | |
257 | return rc; | |
258 | } | |
259 | } | |
260 | ||
261 | bp->rx_nr_rings = channel->rx_count; | |
262 | bp->tx_nr_rings_per_tc = channel->tx_count; | |
263 | bp->tx_nr_rings = bp->tx_nr_rings_per_tc; | |
264 | if (tcs > 1) | |
265 | bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; | |
266 | bp->cp_nr_rings = max_t(int, bp->tx_nr_rings, bp->rx_nr_rings); | |
267 | bp->num_stat_ctxs = bp->cp_nr_rings; | |
268 | ||
2bcfa6f6 MC |
269 | /* After changing number of rx channels, update NTUPLE feature. */ |
270 | netdev_update_features(dev); | |
c0c050c5 MC |
271 | if (netif_running(dev)) { |
272 | rc = bnxt_open_nic(bp, true, false); | |
273 | if ((!rc) && BNXT_PF(bp)) { | |
274 | /* TODO CHIMP_FW: Send message to all VF's | |
275 | * to renable | |
276 | */ | |
277 | } | |
278 | } | |
279 | ||
280 | return rc; | |
281 | } | |
282 | ||
283 | #ifdef CONFIG_RFS_ACCEL | |
284 | static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, | |
285 | u32 *rule_locs) | |
286 | { | |
287 | int i, j = 0; | |
288 | ||
289 | cmd->data = bp->ntp_fltr_count; | |
290 | for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { | |
291 | struct hlist_head *head; | |
292 | struct bnxt_ntuple_filter *fltr; | |
293 | ||
294 | head = &bp->ntp_fltr_hash_tbl[i]; | |
295 | rcu_read_lock(); | |
296 | hlist_for_each_entry_rcu(fltr, head, hash) { | |
297 | if (j == cmd->rule_cnt) | |
298 | break; | |
299 | rule_locs[j++] = fltr->sw_id; | |
300 | } | |
301 | rcu_read_unlock(); | |
302 | if (j == cmd->rule_cnt) | |
303 | break; | |
304 | } | |
305 | cmd->rule_cnt = j; | |
306 | return 0; | |
307 | } | |
308 | ||
309 | static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) | |
310 | { | |
311 | struct ethtool_rx_flow_spec *fs = | |
312 | (struct ethtool_rx_flow_spec *)&cmd->fs; | |
313 | struct bnxt_ntuple_filter *fltr; | |
314 | struct flow_keys *fkeys; | |
315 | int i, rc = -EINVAL; | |
316 | ||
317 | if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) | |
318 | return rc; | |
319 | ||
320 | for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { | |
321 | struct hlist_head *head; | |
322 | ||
323 | head = &bp->ntp_fltr_hash_tbl[i]; | |
324 | rcu_read_lock(); | |
325 | hlist_for_each_entry_rcu(fltr, head, hash) { | |
326 | if (fltr->sw_id == fs->location) | |
327 | goto fltr_found; | |
328 | } | |
329 | rcu_read_unlock(); | |
330 | } | |
331 | return rc; | |
332 | ||
333 | fltr_found: | |
334 | fkeys = &fltr->fkeys; | |
335 | if (fkeys->basic.ip_proto == IPPROTO_TCP) | |
336 | fs->flow_type = TCP_V4_FLOW; | |
337 | else if (fkeys->basic.ip_proto == IPPROTO_UDP) | |
338 | fs->flow_type = UDP_V4_FLOW; | |
339 | else | |
340 | goto fltr_err; | |
341 | ||
342 | fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; | |
343 | fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); | |
344 | ||
345 | fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; | |
346 | fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); | |
347 | ||
348 | fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; | |
349 | fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); | |
350 | ||
351 | fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; | |
352 | fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); | |
353 | ||
354 | fs->ring_cookie = fltr->rxq; | |
355 | rc = 0; | |
356 | ||
357 | fltr_err: | |
358 | rcu_read_unlock(); | |
359 | ||
360 | return rc; | |
361 | } | |
362 | ||
363 | static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, | |
364 | u32 *rule_locs) | |
365 | { | |
366 | struct bnxt *bp = netdev_priv(dev); | |
367 | int rc = 0; | |
368 | ||
369 | switch (cmd->cmd) { | |
370 | case ETHTOOL_GRXRINGS: | |
371 | cmd->data = bp->rx_nr_rings; | |
372 | break; | |
373 | ||
374 | case ETHTOOL_GRXCLSRLCNT: | |
375 | cmd->rule_cnt = bp->ntp_fltr_count; | |
376 | cmd->data = BNXT_NTP_FLTR_MAX_FLTR; | |
377 | break; | |
378 | ||
379 | case ETHTOOL_GRXCLSRLALL: | |
380 | rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); | |
381 | break; | |
382 | ||
383 | case ETHTOOL_GRXCLSRULE: | |
384 | rc = bnxt_grxclsrule(bp, cmd); | |
385 | break; | |
386 | ||
387 | default: | |
388 | rc = -EOPNOTSUPP; | |
389 | break; | |
390 | } | |
391 | ||
392 | return rc; | |
393 | } | |
394 | #endif | |
395 | ||
396 | static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) | |
397 | { | |
398 | return HW_HASH_INDEX_SIZE; | |
399 | } | |
400 | ||
401 | static u32 bnxt_get_rxfh_key_size(struct net_device *dev) | |
402 | { | |
403 | return HW_HASH_KEY_SIZE; | |
404 | } | |
405 | ||
406 | static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, | |
407 | u8 *hfunc) | |
408 | { | |
409 | struct bnxt *bp = netdev_priv(dev); | |
410 | struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; | |
411 | int i = 0; | |
412 | ||
413 | if (hfunc) | |
414 | *hfunc = ETH_RSS_HASH_TOP; | |
415 | ||
416 | if (indir) | |
417 | for (i = 0; i < HW_HASH_INDEX_SIZE; i++) | |
418 | indir[i] = le16_to_cpu(vnic->rss_table[i]); | |
419 | ||
420 | if (key) | |
421 | memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
426 | static void bnxt_get_drvinfo(struct net_device *dev, | |
427 | struct ethtool_drvinfo *info) | |
428 | { | |
429 | struct bnxt *bp = netdev_priv(dev); | |
430 | ||
431 | strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); | |
432 | strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); | |
433 | strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version)); | |
434 | strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); | |
435 | info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; | |
436 | info->testinfo_len = BNXT_NUM_TESTS(bp); | |
437 | /* TODO CHIMP_FW: eeprom dump details */ | |
438 | info->eedump_len = 0; | |
439 | /* TODO CHIMP FW: reg dump details */ | |
440 | info->regdump_len = 0; | |
441 | } | |
442 | ||
443 | static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info) | |
444 | { | |
445 | u16 fw_speeds = link_info->support_speeds; | |
446 | u32 speed_mask = 0; | |
447 | ||
448 | if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) | |
449 | speed_mask |= SUPPORTED_100baseT_Full; | |
450 | if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) | |
451 | speed_mask |= SUPPORTED_1000baseT_Full; | |
452 | if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) | |
453 | speed_mask |= SUPPORTED_2500baseX_Full; | |
454 | if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) | |
455 | speed_mask |= SUPPORTED_10000baseT_Full; | |
456 | /* TODO: support 25GB, 50GB with different cable type */ | |
457 | if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB) | |
458 | speed_mask |= SUPPORTED_20000baseMLD2_Full | | |
459 | SUPPORTED_20000baseKR2_Full; | |
460 | if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) | |
461 | speed_mask |= SUPPORTED_40000baseKR4_Full | | |
462 | SUPPORTED_40000baseCR4_Full | | |
463 | SUPPORTED_40000baseSR4_Full | | |
464 | SUPPORTED_40000baseLR4_Full; | |
465 | ||
466 | return speed_mask; | |
467 | } | |
468 | ||
469 | static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info) | |
470 | { | |
471 | u16 fw_speeds = link_info->auto_link_speeds; | |
472 | u32 speed_mask = 0; | |
473 | ||
474 | /* TODO: support 25GB, 40GB, 50GB with different cable type */ | |
475 | /* set the advertised speeds */ | |
476 | if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) | |
477 | speed_mask |= ADVERTISED_100baseT_Full; | |
478 | if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) | |
479 | speed_mask |= ADVERTISED_1000baseT_Full; | |
480 | if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) | |
481 | speed_mask |= ADVERTISED_2500baseX_Full; | |
482 | if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) | |
483 | speed_mask |= ADVERTISED_10000baseT_Full; | |
484 | /* TODO: how to advertise 20, 25, 40, 50GB with different cable type ?*/ | |
485 | if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB) | |
486 | speed_mask |= ADVERTISED_20000baseMLD2_Full | | |
487 | ADVERTISED_20000baseKR2_Full; | |
488 | if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) | |
489 | speed_mask |= ADVERTISED_40000baseKR4_Full | | |
490 | ADVERTISED_40000baseCR4_Full | | |
491 | ADVERTISED_40000baseSR4_Full | | |
492 | ADVERTISED_40000baseLR4_Full; | |
493 | return speed_mask; | |
494 | } | |
495 | ||
496 | u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) | |
497 | { | |
498 | switch (fw_link_speed) { | |
499 | case BNXT_LINK_SPEED_100MB: | |
500 | return SPEED_100; | |
501 | case BNXT_LINK_SPEED_1GB: | |
502 | return SPEED_1000; | |
503 | case BNXT_LINK_SPEED_2_5GB: | |
504 | return SPEED_2500; | |
505 | case BNXT_LINK_SPEED_10GB: | |
506 | return SPEED_10000; | |
507 | case BNXT_LINK_SPEED_20GB: | |
508 | return SPEED_20000; | |
509 | case BNXT_LINK_SPEED_25GB: | |
510 | return SPEED_25000; | |
511 | case BNXT_LINK_SPEED_40GB: | |
512 | return SPEED_40000; | |
513 | case BNXT_LINK_SPEED_50GB: | |
514 | return SPEED_50000; | |
515 | default: | |
516 | return SPEED_UNKNOWN; | |
517 | } | |
518 | } | |
519 | ||
520 | static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
521 | { | |
522 | struct bnxt *bp = netdev_priv(dev); | |
523 | struct bnxt_link_info *link_info = &bp->link_info; | |
524 | u16 ethtool_speed; | |
525 | ||
526 | cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info); | |
527 | ||
528 | if (link_info->auto_link_speeds) | |
529 | cmd->supported |= SUPPORTED_Autoneg; | |
530 | ||
531 | if (BNXT_AUTO_MODE(link_info->auto_mode)) { | |
532 | cmd->advertising = | |
533 | bnxt_fw_to_ethtool_advertised_spds(link_info); | |
534 | cmd->advertising |= ADVERTISED_Autoneg; | |
535 | cmd->autoneg = AUTONEG_ENABLE; | |
536 | } else { | |
537 | cmd->autoneg = AUTONEG_DISABLE; | |
538 | cmd->advertising = 0; | |
539 | } | |
540 | if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) { | |
541 | if ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) == | |
542 | BNXT_LINK_PAUSE_BOTH) { | |
543 | cmd->advertising |= ADVERTISED_Pause; | |
544 | cmd->supported |= SUPPORTED_Pause; | |
545 | } else { | |
546 | cmd->advertising |= ADVERTISED_Asym_Pause; | |
547 | cmd->supported |= SUPPORTED_Asym_Pause; | |
548 | if (link_info->auto_pause_setting & | |
549 | BNXT_LINK_PAUSE_RX) | |
550 | cmd->advertising |= ADVERTISED_Pause; | |
551 | } | |
552 | } else if (link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) { | |
553 | if ((link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) == | |
554 | BNXT_LINK_PAUSE_BOTH) { | |
555 | cmd->supported |= SUPPORTED_Pause; | |
556 | } else { | |
557 | cmd->supported |= SUPPORTED_Asym_Pause; | |
558 | if (link_info->force_pause_setting & | |
559 | BNXT_LINK_PAUSE_RX) | |
560 | cmd->supported |= SUPPORTED_Pause; | |
561 | } | |
562 | } | |
563 | ||
564 | cmd->port = PORT_NONE; | |
565 | if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { | |
566 | cmd->port = PORT_TP; | |
567 | cmd->supported |= SUPPORTED_TP; | |
568 | cmd->advertising |= ADVERTISED_TP; | |
569 | } else { | |
570 | cmd->supported |= SUPPORTED_FIBRE; | |
571 | cmd->advertising |= ADVERTISED_FIBRE; | |
572 | ||
573 | if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) | |
574 | cmd->port = PORT_DA; | |
575 | else if (link_info->media_type == | |
576 | PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) | |
577 | cmd->port = PORT_FIBRE; | |
578 | } | |
579 | ||
580 | if (link_info->phy_link_status == BNXT_LINK_LINK) { | |
581 | if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) | |
582 | cmd->duplex = DUPLEX_FULL; | |
583 | } else { | |
584 | cmd->duplex = DUPLEX_UNKNOWN; | |
585 | } | |
586 | ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); | |
587 | ethtool_cmd_speed_set(cmd, ethtool_speed); | |
588 | if (link_info->transceiver == | |
589 | PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL) | |
590 | cmd->transceiver = XCVR_INTERNAL; | |
591 | else | |
592 | cmd->transceiver = XCVR_EXTERNAL; | |
593 | cmd->phy_address = link_info->phy_addr; | |
594 | ||
595 | return 0; | |
596 | } | |
597 | ||
598 | static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) | |
599 | { | |
600 | switch (ethtool_speed) { | |
601 | case SPEED_100: | |
602 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; | |
603 | case SPEED_1000: | |
604 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; | |
605 | case SPEED_2500: | |
606 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; | |
607 | case SPEED_10000: | |
608 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; | |
609 | case SPEED_20000: | |
610 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; | |
611 | case SPEED_25000: | |
612 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; | |
613 | case SPEED_40000: | |
614 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; | |
615 | case SPEED_50000: | |
616 | return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; | |
617 | default: | |
618 | netdev_err(dev, "unsupported speed!\n"); | |
619 | break; | |
620 | } | |
621 | return 0; | |
622 | } | |
623 | ||
624 | static u16 bnxt_get_fw_auto_link_speeds(u32 advertising) | |
625 | { | |
626 | u16 fw_speed_mask = 0; | |
627 | ||
628 | /* only support autoneg at speed 100, 1000, and 10000 */ | |
629 | if (advertising & (ADVERTISED_100baseT_Full | | |
630 | ADVERTISED_100baseT_Half)) { | |
631 | fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; | |
632 | } | |
633 | if (advertising & (ADVERTISED_1000baseT_Full | | |
634 | ADVERTISED_1000baseT_Half)) { | |
635 | fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; | |
636 | } | |
637 | if (advertising & ADVERTISED_10000baseT_Full) | |
638 | fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; | |
639 | ||
640 | return fw_speed_mask; | |
641 | } | |
642 | ||
643 | static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
644 | { | |
645 | int rc = 0; | |
646 | struct bnxt *bp = netdev_priv(dev); | |
647 | struct bnxt_link_info *link_info = &bp->link_info; | |
648 | u32 speed, fw_advertising = 0; | |
649 | bool set_pause = false; | |
650 | ||
651 | if (BNXT_VF(bp)) | |
652 | return rc; | |
653 | ||
654 | if (cmd->autoneg == AUTONEG_ENABLE) { | |
655 | if (link_info->media_type != PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { | |
656 | netdev_err(dev, "Media type doesn't support autoneg\n"); | |
657 | rc = -EINVAL; | |
658 | goto set_setting_exit; | |
659 | } | |
660 | if (cmd->advertising & ~(BNXT_ALL_COPPER_ETHTOOL_SPEED | | |
661 | ADVERTISED_Autoneg | | |
662 | ADVERTISED_TP | | |
663 | ADVERTISED_Pause | | |
664 | ADVERTISED_Asym_Pause)) { | |
665 | netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n", | |
666 | cmd->advertising); | |
667 | rc = -EINVAL; | |
668 | goto set_setting_exit; | |
669 | } | |
670 | fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising); | |
671 | if (fw_advertising & ~link_info->support_speeds) { | |
672 | netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n", | |
673 | cmd->advertising); | |
674 | rc = -EINVAL; | |
675 | goto set_setting_exit; | |
676 | } | |
677 | link_info->autoneg |= BNXT_AUTONEG_SPEED; | |
678 | if (!fw_advertising) | |
679 | link_info->advertising = link_info->support_speeds; | |
680 | else | |
681 | link_info->advertising = fw_advertising; | |
682 | /* any change to autoneg will cause link change, therefore the | |
683 | * driver should put back the original pause setting in autoneg | |
684 | */ | |
685 | set_pause = true; | |
686 | } else { | |
687 | /* TODO: currently don't support half duplex */ | |
688 | if (cmd->duplex == DUPLEX_HALF) { | |
689 | netdev_err(dev, "HALF DUPLEX is not supported!\n"); | |
690 | rc = -EINVAL; | |
691 | goto set_setting_exit; | |
692 | } | |
693 | /* If received a request for an unknown duplex, assume full*/ | |
694 | if (cmd->duplex == DUPLEX_UNKNOWN) | |
695 | cmd->duplex = DUPLEX_FULL; | |
696 | speed = ethtool_cmd_speed(cmd); | |
697 | link_info->req_link_speed = bnxt_get_fw_speed(dev, speed); | |
698 | link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; | |
699 | link_info->autoneg &= ~BNXT_AUTONEG_SPEED; | |
700 | link_info->advertising = 0; | |
701 | } | |
702 | ||
703 | if (netif_running(dev)) | |
704 | rc = bnxt_hwrm_set_link_setting(bp, set_pause); | |
705 | ||
706 | set_setting_exit: | |
707 | return rc; | |
708 | } | |
709 | ||
710 | static void bnxt_get_pauseparam(struct net_device *dev, | |
711 | struct ethtool_pauseparam *epause) | |
712 | { | |
713 | struct bnxt *bp = netdev_priv(dev); | |
714 | struct bnxt_link_info *link_info = &bp->link_info; | |
715 | ||
716 | if (BNXT_VF(bp)) | |
717 | return; | |
718 | epause->autoneg = !!(link_info->auto_pause_setting & | |
719 | BNXT_LINK_PAUSE_BOTH); | |
720 | epause->rx_pause = ((link_info->pause & BNXT_LINK_PAUSE_RX) != 0); | |
721 | epause->tx_pause = ((link_info->pause & BNXT_LINK_PAUSE_TX) != 0); | |
722 | } | |
723 | ||
724 | static int bnxt_set_pauseparam(struct net_device *dev, | |
725 | struct ethtool_pauseparam *epause) | |
726 | { | |
727 | int rc = 0; | |
728 | struct bnxt *bp = netdev_priv(dev); | |
729 | struct bnxt_link_info *link_info = &bp->link_info; | |
730 | ||
731 | if (BNXT_VF(bp)) | |
732 | return rc; | |
733 | ||
734 | if (epause->autoneg) { | |
735 | link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; | |
736 | link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH; | |
737 | } else { | |
738 | /* when transition from auto pause to force pause, | |
739 | * force a link change | |
740 | */ | |
741 | if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) | |
742 | link_info->force_link_chng = true; | |
743 | link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; | |
744 | link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH; | |
745 | } | |
746 | if (epause->rx_pause) | |
747 | link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; | |
748 | else | |
749 | link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX; | |
750 | ||
751 | if (epause->tx_pause) | |
752 | link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; | |
753 | else | |
754 | link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX; | |
755 | ||
756 | if (netif_running(dev)) | |
757 | rc = bnxt_hwrm_set_pause(bp); | |
758 | return rc; | |
759 | } | |
760 | ||
761 | static u32 bnxt_get_link(struct net_device *dev) | |
762 | { | |
763 | struct bnxt *bp = netdev_priv(dev); | |
764 | ||
765 | /* TODO: handle MF, VF, driver close case */ | |
766 | return bp->link_info.link_up; | |
767 | } | |
768 | ||
769 | static int bnxt_flash_nvram(struct net_device *dev, | |
770 | u16 dir_type, | |
771 | u16 dir_ordinal, | |
772 | u16 dir_ext, | |
773 | u16 dir_attr, | |
774 | const u8 *data, | |
775 | size_t data_len) | |
776 | { | |
777 | struct bnxt *bp = netdev_priv(dev); | |
778 | int rc; | |
779 | struct hwrm_nvm_write_input req = {0}; | |
780 | dma_addr_t dma_handle; | |
781 | u8 *kmem; | |
782 | ||
783 | bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); | |
784 | ||
785 | req.dir_type = cpu_to_le16(dir_type); | |
786 | req.dir_ordinal = cpu_to_le16(dir_ordinal); | |
787 | req.dir_ext = cpu_to_le16(dir_ext); | |
788 | req.dir_attr = cpu_to_le16(dir_attr); | |
789 | req.dir_data_length = cpu_to_le32(data_len); | |
790 | ||
791 | kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, | |
792 | GFP_KERNEL); | |
793 | if (!kmem) { | |
794 | netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", | |
795 | (unsigned)data_len); | |
796 | return -ENOMEM; | |
797 | } | |
798 | memcpy(kmem, data, data_len); | |
799 | req.host_src_addr = cpu_to_le64(dma_handle); | |
800 | ||
801 | rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); | |
802 | dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); | |
803 | ||
804 | return rc; | |
805 | } | |
806 | ||
807 | static int bnxt_flash_firmware(struct net_device *dev, | |
808 | u16 dir_type, | |
809 | const u8 *fw_data, | |
810 | size_t fw_size) | |
811 | { | |
812 | int rc = 0; | |
813 | u16 code_type; | |
814 | u32 stored_crc; | |
815 | u32 calculated_crc; | |
816 | struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; | |
817 | ||
818 | switch (dir_type) { | |
819 | case BNX_DIR_TYPE_BOOTCODE: | |
820 | case BNX_DIR_TYPE_BOOTCODE_2: | |
821 | code_type = CODE_BOOT; | |
822 | break; | |
2731d70f RS |
823 | case BNX_DIR_TYPE_APE_FW: |
824 | code_type = CODE_MCTP_PASSTHRU; | |
825 | break; | |
c0c050c5 MC |
826 | default: |
827 | netdev_err(dev, "Unsupported directory entry type: %u\n", | |
828 | dir_type); | |
829 | return -EINVAL; | |
830 | } | |
831 | if (fw_size < sizeof(struct bnxt_fw_header)) { | |
832 | netdev_err(dev, "Invalid firmware file size: %u\n", | |
833 | (unsigned int)fw_size); | |
834 | return -EINVAL; | |
835 | } | |
836 | if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { | |
837 | netdev_err(dev, "Invalid firmware signature: %08X\n", | |
838 | le32_to_cpu(header->signature)); | |
839 | return -EINVAL; | |
840 | } | |
841 | if (header->code_type != code_type) { | |
842 | netdev_err(dev, "Expected firmware type: %d, read: %d\n", | |
843 | code_type, header->code_type); | |
844 | return -EINVAL; | |
845 | } | |
846 | if (header->device != DEVICE_CUMULUS_FAMILY) { | |
847 | netdev_err(dev, "Expected firmware device family %d, read: %d\n", | |
848 | DEVICE_CUMULUS_FAMILY, header->device); | |
849 | return -EINVAL; | |
850 | } | |
851 | /* Confirm the CRC32 checksum of the file: */ | |
852 | stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - | |
853 | sizeof(stored_crc))); | |
854 | calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); | |
855 | if (calculated_crc != stored_crc) { | |
856 | netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", | |
857 | (unsigned long)stored_crc, | |
858 | (unsigned long)calculated_crc); | |
859 | return -EINVAL; | |
860 | } | |
861 | /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */ | |
862 | rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, | |
863 | 0, 0, fw_data, fw_size); | |
864 | if (rc == 0) { /* Firmware update successful */ | |
865 | /* TODO: Notify processor it needs to reset itself | |
866 | */ | |
867 | } | |
868 | return rc; | |
869 | } | |
870 | ||
871 | static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) | |
872 | { | |
873 | switch (dir_type) { | |
874 | case BNX_DIR_TYPE_CHIMP_PATCH: | |
875 | case BNX_DIR_TYPE_BOOTCODE: | |
876 | case BNX_DIR_TYPE_BOOTCODE_2: | |
877 | case BNX_DIR_TYPE_APE_FW: | |
878 | case BNX_DIR_TYPE_APE_PATCH: | |
879 | case BNX_DIR_TYPE_KONG_FW: | |
880 | case BNX_DIR_TYPE_KONG_PATCH: | |
881 | return true; | |
882 | } | |
883 | ||
884 | return false; | |
885 | } | |
886 | ||
887 | static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type) | |
888 | { | |
889 | switch (dir_type) { | |
890 | case BNX_DIR_TYPE_AVS: | |
891 | case BNX_DIR_TYPE_EXP_ROM_MBA: | |
892 | case BNX_DIR_TYPE_PCIE: | |
893 | case BNX_DIR_TYPE_TSCF_UCODE: | |
894 | case BNX_DIR_TYPE_EXT_PHY: | |
895 | case BNX_DIR_TYPE_CCM: | |
896 | case BNX_DIR_TYPE_ISCSI_BOOT: | |
897 | case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: | |
898 | case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: | |
899 | return true; | |
900 | } | |
901 | ||
902 | return false; | |
903 | } | |
904 | ||
905 | static bool bnxt_dir_type_is_executable(u16 dir_type) | |
906 | { | |
907 | return bnxt_dir_type_is_ape_bin_format(dir_type) || | |
908 | bnxt_dir_type_is_unprotected_exec_format(dir_type); | |
909 | } | |
910 | ||
911 | static int bnxt_flash_firmware_from_file(struct net_device *dev, | |
912 | u16 dir_type, | |
913 | const char *filename) | |
914 | { | |
915 | const struct firmware *fw; | |
916 | int rc; | |
917 | ||
918 | if (bnxt_dir_type_is_executable(dir_type) == false) | |
919 | return -EINVAL; | |
920 | ||
921 | rc = request_firmware(&fw, filename, &dev->dev); | |
922 | if (rc != 0) { | |
923 | netdev_err(dev, "Error %d requesting firmware file: %s\n", | |
924 | rc, filename); | |
925 | return rc; | |
926 | } | |
927 | if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) | |
928 | rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); | |
929 | else | |
930 | rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, | |
931 | 0, 0, fw->data, fw->size); | |
932 | release_firmware(fw); | |
933 | return rc; | |
934 | } | |
935 | ||
936 | static int bnxt_flash_package_from_file(struct net_device *dev, | |
937 | char *filename) | |
938 | { | |
939 | netdev_err(dev, "packages are not yet supported\n"); | |
940 | return -EINVAL; | |
941 | } | |
942 | ||
943 | static int bnxt_flash_device(struct net_device *dev, | |
944 | struct ethtool_flash *flash) | |
945 | { | |
946 | if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { | |
947 | netdev_err(dev, "flashdev not supported from a virtual function\n"); | |
948 | return -EINVAL; | |
949 | } | |
950 | ||
951 | if (flash->region == ETHTOOL_FLASH_ALL_REGIONS) | |
952 | return bnxt_flash_package_from_file(dev, flash->data); | |
953 | ||
954 | return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); | |
955 | } | |
956 | ||
957 | static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) | |
958 | { | |
959 | struct bnxt *bp = netdev_priv(dev); | |
960 | int rc; | |
961 | struct hwrm_nvm_get_dir_info_input req = {0}; | |
962 | struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; | |
963 | ||
964 | bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); | |
965 | ||
966 | mutex_lock(&bp->hwrm_cmd_lock); | |
967 | rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); | |
968 | if (!rc) { | |
969 | *entries = le32_to_cpu(output->entries); | |
970 | *length = le32_to_cpu(output->entry_length); | |
971 | } | |
972 | mutex_unlock(&bp->hwrm_cmd_lock); | |
973 | return rc; | |
974 | } | |
975 | ||
976 | static int bnxt_get_eeprom_len(struct net_device *dev) | |
977 | { | |
978 | /* The -1 return value allows the entire 32-bit range of offsets to be | |
979 | * passed via the ethtool command-line utility. | |
980 | */ | |
981 | return -1; | |
982 | } | |
983 | ||
984 | static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) | |
985 | { | |
986 | struct bnxt *bp = netdev_priv(dev); | |
987 | int rc; | |
988 | u32 dir_entries; | |
989 | u32 entry_length; | |
990 | u8 *buf; | |
991 | size_t buflen; | |
992 | dma_addr_t dma_handle; | |
993 | struct hwrm_nvm_get_dir_entries_input req = {0}; | |
994 | ||
995 | rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); | |
996 | if (rc != 0) | |
997 | return rc; | |
998 | ||
999 | /* Insert 2 bytes of directory info (count and size of entries) */ | |
1000 | if (len < 2) | |
1001 | return -EINVAL; | |
1002 | ||
1003 | *data++ = dir_entries; | |
1004 | *data++ = entry_length; | |
1005 | len -= 2; | |
1006 | memset(data, 0xff, len); | |
1007 | ||
1008 | buflen = dir_entries * entry_length; | |
1009 | buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, | |
1010 | GFP_KERNEL); | |
1011 | if (!buf) { | |
1012 | netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", | |
1013 | (unsigned)buflen); | |
1014 | return -ENOMEM; | |
1015 | } | |
1016 | bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); | |
1017 | req.host_dest_addr = cpu_to_le64(dma_handle); | |
1018 | rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); | |
1019 | if (rc == 0) | |
1020 | memcpy(data, buf, len > buflen ? buflen : len); | |
1021 | dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); | |
1022 | return rc; | |
1023 | } | |
1024 | ||
1025 | static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, | |
1026 | u32 length, u8 *data) | |
1027 | { | |
1028 | struct bnxt *bp = netdev_priv(dev); | |
1029 | int rc; | |
1030 | u8 *buf; | |
1031 | dma_addr_t dma_handle; | |
1032 | struct hwrm_nvm_read_input req = {0}; | |
1033 | ||
1034 | buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, | |
1035 | GFP_KERNEL); | |
1036 | if (!buf) { | |
1037 | netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", | |
1038 | (unsigned)length); | |
1039 | return -ENOMEM; | |
1040 | } | |
1041 | bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); | |
1042 | req.host_dest_addr = cpu_to_le64(dma_handle); | |
1043 | req.dir_idx = cpu_to_le16(index); | |
1044 | req.offset = cpu_to_le32(offset); | |
1045 | req.len = cpu_to_le32(length); | |
1046 | ||
1047 | rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); | |
1048 | if (rc == 0) | |
1049 | memcpy(data, buf, length); | |
1050 | dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); | |
1051 | return rc; | |
1052 | } | |
1053 | ||
1054 | static int bnxt_get_eeprom(struct net_device *dev, | |
1055 | struct ethtool_eeprom *eeprom, | |
1056 | u8 *data) | |
1057 | { | |
1058 | u32 index; | |
1059 | u32 offset; | |
1060 | ||
1061 | if (eeprom->offset == 0) /* special offset value to get directory */ | |
1062 | return bnxt_get_nvram_directory(dev, eeprom->len, data); | |
1063 | ||
1064 | index = eeprom->offset >> 24; | |
1065 | offset = eeprom->offset & 0xffffff; | |
1066 | ||
1067 | if (index == 0) { | |
1068 | netdev_err(dev, "unsupported index value: %d\n", index); | |
1069 | return -EINVAL; | |
1070 | } | |
1071 | ||
1072 | return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); | |
1073 | } | |
1074 | ||
1075 | static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) | |
1076 | { | |
1077 | struct bnxt *bp = netdev_priv(dev); | |
1078 | struct hwrm_nvm_erase_dir_entry_input req = {0}; | |
1079 | ||
1080 | bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); | |
1081 | req.dir_idx = cpu_to_le16(index); | |
1082 | return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); | |
1083 | } | |
1084 | ||
1085 | static int bnxt_set_eeprom(struct net_device *dev, | |
1086 | struct ethtool_eeprom *eeprom, | |
1087 | u8 *data) | |
1088 | { | |
1089 | struct bnxt *bp = netdev_priv(dev); | |
1090 | u8 index, dir_op; | |
1091 | u16 type, ext, ordinal, attr; | |
1092 | ||
1093 | if (!BNXT_PF(bp)) { | |
1094 | netdev_err(dev, "NVM write not supported from a virtual function\n"); | |
1095 | return -EINVAL; | |
1096 | } | |
1097 | ||
1098 | type = eeprom->magic >> 16; | |
1099 | ||
1100 | if (type == 0xffff) { /* special value for directory operations */ | |
1101 | index = eeprom->magic & 0xff; | |
1102 | dir_op = eeprom->magic >> 8; | |
1103 | if (index == 0) | |
1104 | return -EINVAL; | |
1105 | switch (dir_op) { | |
1106 | case 0x0e: /* erase */ | |
1107 | if (eeprom->offset != ~eeprom->magic) | |
1108 | return -EINVAL; | |
1109 | return bnxt_erase_nvram_directory(dev, index - 1); | |
1110 | default: | |
1111 | return -EINVAL; | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | /* Create or re-write an NVM item: */ | |
1116 | if (bnxt_dir_type_is_executable(type) == true) | |
1117 | return -EINVAL; | |
1118 | ext = eeprom->magic & 0xffff; | |
1119 | ordinal = eeprom->offset >> 16; | |
1120 | attr = eeprom->offset & 0xffff; | |
1121 | ||
1122 | return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, | |
1123 | eeprom->len); | |
1124 | } | |
1125 | ||
1126 | const struct ethtool_ops bnxt_ethtool_ops = { | |
1127 | .get_settings = bnxt_get_settings, | |
1128 | .set_settings = bnxt_set_settings, | |
1129 | .get_pauseparam = bnxt_get_pauseparam, | |
1130 | .set_pauseparam = bnxt_set_pauseparam, | |
1131 | .get_drvinfo = bnxt_get_drvinfo, | |
1132 | .get_coalesce = bnxt_get_coalesce, | |
1133 | .set_coalesce = bnxt_set_coalesce, | |
1134 | .get_msglevel = bnxt_get_msglevel, | |
1135 | .set_msglevel = bnxt_set_msglevel, | |
1136 | .get_sset_count = bnxt_get_sset_count, | |
1137 | .get_strings = bnxt_get_strings, | |
1138 | .get_ethtool_stats = bnxt_get_ethtool_stats, | |
1139 | .set_ringparam = bnxt_set_ringparam, | |
1140 | .get_ringparam = bnxt_get_ringparam, | |
1141 | .get_channels = bnxt_get_channels, | |
1142 | .set_channels = bnxt_set_channels, | |
1143 | #ifdef CONFIG_RFS_ACCEL | |
1144 | .get_rxnfc = bnxt_get_rxnfc, | |
1145 | #endif | |
1146 | .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, | |
1147 | .get_rxfh_key_size = bnxt_get_rxfh_key_size, | |
1148 | .get_rxfh = bnxt_get_rxfh, | |
1149 | .flash_device = bnxt_flash_device, | |
1150 | .get_eeprom_len = bnxt_get_eeprom_len, | |
1151 | .get_eeprom = bnxt_get_eeprom, | |
1152 | .set_eeprom = bnxt_set_eeprom, | |
1153 | .get_link = bnxt_get_link, | |
1154 | }; |