1 /* Broadcom NetXtreme-C/E network driver.
3 * Copyright (c) 2014-2016 Broadcom Corporation
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.
10 #include <linux/ctype.h>
11 #include <linux/stringify.h>
12 #include <linux/ethtool.h>
13 #include <linux/interrupt.h>
14 #include <linux/pci.h>
15 #include <linux/etherdevice.h>
16 #include <linux/crc32.h>
17 #include <linux/firmware.h>
20 #include "bnxt_ethtool.h"
21 #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
22 #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
23 #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
25 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
27 static u32 bnxt_get_msglevel(struct net_device *dev)
29 struct bnxt *bp = netdev_priv(dev);
31 return bp->msg_enable;
34 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
36 struct bnxt *bp = netdev_priv(dev);
38 bp->msg_enable = value;
41 static int bnxt_get_coalesce(struct net_device *dev,
42 struct ethtool_coalesce *coal)
44 struct bnxt *bp = netdev_priv(dev);
46 memset(coal, 0, sizeof(*coal));
48 coal->rx_coalesce_usecs = bp->rx_coal_ticks;
49 /* 2 completion records per rx packet */
50 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
51 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
52 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
54 coal->tx_coalesce_usecs = bp->tx_coal_ticks;
55 coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
56 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
57 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
62 static int bnxt_set_coalesce(struct net_device *dev,
63 struct ethtool_coalesce *coal)
65 struct bnxt *bp = netdev_priv(dev);
68 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
69 /* 2 completion records per rx packet */
70 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
71 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
72 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
74 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
75 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
76 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
77 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
79 if (netif_running(dev))
80 rc = bnxt_hwrm_set_coal(bp);
85 #define BNXT_NUM_STATS 21
87 #define BNXT_RX_STATS_OFFSET(counter) \
88 (offsetof(struct rx_port_stats, counter) / 8)
90 #define BNXT_RX_STATS_ENTRY(counter) \
91 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
93 #define BNXT_TX_STATS_OFFSET(counter) \
94 ((offsetof(struct tx_port_stats, counter) + \
95 sizeof(struct rx_port_stats) + 512) / 8)
97 #define BNXT_TX_STATS_ENTRY(counter) \
98 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
100 static const struct {
102 char string[ETH_GSTRING_LEN];
103 } bnxt_port_stats_arr[] = {
104 BNXT_RX_STATS_ENTRY(rx_64b_frames),
105 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
106 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
107 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
108 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
109 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
110 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
111 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
112 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
113 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
114 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
115 BNXT_RX_STATS_ENTRY(rx_total_frames),
116 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
117 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
118 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
119 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
120 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
121 BNXT_RX_STATS_ENTRY(rx_pause_frames),
122 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
123 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
124 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
125 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
126 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
127 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
128 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
129 BNXT_RX_STATS_ENTRY(rx_good_frames),
130 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
131 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
132 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
133 BNXT_RX_STATS_ENTRY(rx_bytes),
134 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
135 BNXT_RX_STATS_ENTRY(rx_runt_frames),
137 BNXT_TX_STATS_ENTRY(tx_64b_frames),
138 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
139 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
140 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
141 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
142 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
143 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
144 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
145 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
146 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
147 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
148 BNXT_TX_STATS_ENTRY(tx_good_frames),
149 BNXT_TX_STATS_ENTRY(tx_total_frames),
150 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
151 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
152 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
153 BNXT_TX_STATS_ENTRY(tx_pause_frames),
154 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
155 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
156 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
157 BNXT_TX_STATS_ENTRY(tx_err),
158 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
159 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
160 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
161 BNXT_TX_STATS_ENTRY(tx_total_collisions),
162 BNXT_TX_STATS_ENTRY(tx_bytes),
165 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
167 static int bnxt_get_sset_count(struct net_device *dev, int sset)
169 struct bnxt *bp = netdev_priv(dev);
173 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
175 if (bp->flags & BNXT_FLAG_PORT_STATS)
176 num_stats += BNXT_NUM_PORT_STATS;
185 static void bnxt_get_ethtool_stats(struct net_device *dev,
186 struct ethtool_stats *stats, u64 *buf)
189 struct bnxt *bp = netdev_priv(dev);
190 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
191 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
193 memset(buf, 0, buf_size);
198 for (i = 0; i < bp->cp_nr_rings; i++) {
199 struct bnxt_napi *bnapi = bp->bnapi[i];
200 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
201 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
204 for (k = 0; k < stat_fields; j++, k++)
205 buf[j] = le64_to_cpu(hw_stats[k]);
206 buf[j++] = cpr->rx_l4_csum_errors;
208 if (bp->flags & BNXT_FLAG_PORT_STATS) {
209 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
211 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
212 buf[j] = le64_to_cpu(*(port_stats +
213 bnxt_port_stats_arr[i].offset));
218 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
220 struct bnxt *bp = netdev_priv(dev);
224 /* The number of strings must match BNXT_NUM_STATS defined above. */
226 for (i = 0; i < bp->cp_nr_rings; i++) {
227 sprintf(buf, "[%d]: rx_ucast_packets", i);
228 buf += ETH_GSTRING_LEN;
229 sprintf(buf, "[%d]: rx_mcast_packets", i);
230 buf += ETH_GSTRING_LEN;
231 sprintf(buf, "[%d]: rx_bcast_packets", i);
232 buf += ETH_GSTRING_LEN;
233 sprintf(buf, "[%d]: rx_discards", i);
234 buf += ETH_GSTRING_LEN;
235 sprintf(buf, "[%d]: rx_drops", i);
236 buf += ETH_GSTRING_LEN;
237 sprintf(buf, "[%d]: rx_ucast_bytes", i);
238 buf += ETH_GSTRING_LEN;
239 sprintf(buf, "[%d]: rx_mcast_bytes", i);
240 buf += ETH_GSTRING_LEN;
241 sprintf(buf, "[%d]: rx_bcast_bytes", i);
242 buf += ETH_GSTRING_LEN;
243 sprintf(buf, "[%d]: tx_ucast_packets", i);
244 buf += ETH_GSTRING_LEN;
245 sprintf(buf, "[%d]: tx_mcast_packets", i);
246 buf += ETH_GSTRING_LEN;
247 sprintf(buf, "[%d]: tx_bcast_packets", i);
248 buf += ETH_GSTRING_LEN;
249 sprintf(buf, "[%d]: tx_discards", i);
250 buf += ETH_GSTRING_LEN;
251 sprintf(buf, "[%d]: tx_drops", i);
252 buf += ETH_GSTRING_LEN;
253 sprintf(buf, "[%d]: tx_ucast_bytes", i);
254 buf += ETH_GSTRING_LEN;
255 sprintf(buf, "[%d]: tx_mcast_bytes", i);
256 buf += ETH_GSTRING_LEN;
257 sprintf(buf, "[%d]: tx_bcast_bytes", i);
258 buf += ETH_GSTRING_LEN;
259 sprintf(buf, "[%d]: tpa_packets", i);
260 buf += ETH_GSTRING_LEN;
261 sprintf(buf, "[%d]: tpa_bytes", i);
262 buf += ETH_GSTRING_LEN;
263 sprintf(buf, "[%d]: tpa_events", i);
264 buf += ETH_GSTRING_LEN;
265 sprintf(buf, "[%d]: tpa_aborts", i);
266 buf += ETH_GSTRING_LEN;
267 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
268 buf += ETH_GSTRING_LEN;
270 if (bp->flags & BNXT_FLAG_PORT_STATS) {
271 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
272 strcpy(buf, bnxt_port_stats_arr[i].string);
273 buf += ETH_GSTRING_LEN;
278 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
284 static void bnxt_get_ringparam(struct net_device *dev,
285 struct ethtool_ringparam *ering)
287 struct bnxt *bp = netdev_priv(dev);
289 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
290 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
291 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
293 ering->rx_pending = bp->rx_ring_size;
294 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
295 ering->tx_pending = bp->tx_ring_size;
298 static int bnxt_set_ringparam(struct net_device *dev,
299 struct ethtool_ringparam *ering)
301 struct bnxt *bp = netdev_priv(dev);
303 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
304 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
305 (ering->tx_pending <= MAX_SKB_FRAGS))
308 if (netif_running(dev))
309 bnxt_close_nic(bp, false, false);
311 bp->rx_ring_size = ering->rx_pending;
312 bp->tx_ring_size = ering->tx_pending;
313 bnxt_set_ring_params(bp);
315 if (netif_running(dev))
316 return bnxt_open_nic(bp, false, false);
321 static void bnxt_get_channels(struct net_device *dev,
322 struct ethtool_channels *channel)
324 struct bnxt *bp = netdev_priv(dev);
325 int max_rx_rings, max_tx_rings, tcs;
327 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
328 channel->max_combined = max_rx_rings;
330 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
335 tcs = netdev_get_num_tc(dev);
339 channel->max_rx = max_rx_rings;
340 channel->max_tx = max_tx_rings;
341 channel->max_other = 0;
342 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
343 channel->combined_count = bp->rx_nr_rings;
345 channel->rx_count = bp->rx_nr_rings;
346 channel->tx_count = bp->tx_nr_rings_per_tc;
350 static int bnxt_set_channels(struct net_device *dev,
351 struct ethtool_channels *channel)
353 struct bnxt *bp = netdev_priv(dev);
354 int max_rx_rings, max_tx_rings, tcs;
358 if (channel->other_count)
361 if (!channel->combined_count &&
362 (!channel->rx_count || !channel->tx_count))
365 if (channel->combined_count &&
366 (channel->rx_count || channel->tx_count))
369 if (channel->combined_count)
372 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
374 tcs = netdev_get_num_tc(dev);
378 if (sh && (channel->combined_count > max_rx_rings ||
379 channel->combined_count > max_tx_rings))
382 if (!sh && (channel->rx_count > max_rx_rings ||
383 channel->tx_count > max_tx_rings))
386 if (netif_running(dev)) {
388 /* TODO CHIMP_FW: Send message to all VF's
392 rc = bnxt_close_nic(bp, true, false);
394 netdev_err(bp->dev, "Set channel failure rc :%x\n",
401 bp->flags |= BNXT_FLAG_SHARED_RINGS;
402 bp->rx_nr_rings = channel->combined_count;
403 bp->tx_nr_rings_per_tc = channel->combined_count;
405 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
406 bp->rx_nr_rings = channel->rx_count;
407 bp->tx_nr_rings_per_tc = channel->tx_count;
410 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
412 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
414 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
415 bp->tx_nr_rings + bp->rx_nr_rings;
417 bp->num_stat_ctxs = bp->cp_nr_rings;
419 /* After changing number of rx channels, update NTUPLE feature. */
420 netdev_update_features(dev);
421 if (netif_running(dev)) {
422 rc = bnxt_open_nic(bp, true, false);
423 if ((!rc) && BNXT_PF(bp)) {
424 /* TODO CHIMP_FW: Send message to all VF's
433 #ifdef CONFIG_RFS_ACCEL
434 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
439 cmd->data = bp->ntp_fltr_count;
440 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
441 struct hlist_head *head;
442 struct bnxt_ntuple_filter *fltr;
444 head = &bp->ntp_fltr_hash_tbl[i];
446 hlist_for_each_entry_rcu(fltr, head, hash) {
447 if (j == cmd->rule_cnt)
449 rule_locs[j++] = fltr->sw_id;
452 if (j == cmd->rule_cnt)
459 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
461 struct ethtool_rx_flow_spec *fs =
462 (struct ethtool_rx_flow_spec *)&cmd->fs;
463 struct bnxt_ntuple_filter *fltr;
464 struct flow_keys *fkeys;
467 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
470 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
471 struct hlist_head *head;
473 head = &bp->ntp_fltr_hash_tbl[i];
475 hlist_for_each_entry_rcu(fltr, head, hash) {
476 if (fltr->sw_id == fs->location)
484 fkeys = &fltr->fkeys;
485 if (fkeys->basic.ip_proto == IPPROTO_TCP)
486 fs->flow_type = TCP_V4_FLOW;
487 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
488 fs->flow_type = UDP_V4_FLOW;
492 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
493 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
495 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
496 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
498 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
499 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
501 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
502 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
504 fs->ring_cookie = fltr->rxq;
513 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
516 struct bnxt *bp = netdev_priv(dev);
520 case ETHTOOL_GRXRINGS:
521 cmd->data = bp->rx_nr_rings;
524 case ETHTOOL_GRXCLSRLCNT:
525 cmd->rule_cnt = bp->ntp_fltr_count;
526 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
529 case ETHTOOL_GRXCLSRLALL:
530 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
533 case ETHTOOL_GRXCLSRULE:
534 rc = bnxt_grxclsrule(bp, cmd);
546 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
548 return HW_HASH_INDEX_SIZE;
551 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
553 return HW_HASH_KEY_SIZE;
556 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
559 struct bnxt *bp = netdev_priv(dev);
560 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
564 *hfunc = ETH_RSS_HASH_TOP;
567 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
568 indir[i] = le16_to_cpu(vnic->rss_table[i]);
571 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
576 static void bnxt_get_drvinfo(struct net_device *dev,
577 struct ethtool_drvinfo *info)
579 struct bnxt *bp = netdev_priv(dev);
583 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
585 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
586 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
587 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
588 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
589 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
590 "%s pkg %s", bp->fw_ver_str, pkgver);
592 strlcpy(info->fw_version, bp->fw_ver_str,
593 sizeof(info->fw_version));
594 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
595 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
596 info->testinfo_len = BNXT_NUM_TESTS(bp);
597 /* TODO CHIMP_FW: eeprom dump details */
598 info->eedump_len = 0;
599 /* TODO CHIMP FW: reg dump details */
600 info->regdump_len = 0;
604 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
608 /* TODO: support 25GB, 40GB, 50GB with different cable type */
609 /* set the advertised speeds */
610 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
611 speed_mask |= ADVERTISED_100baseT_Full;
612 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
613 speed_mask |= ADVERTISED_1000baseT_Full;
614 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
615 speed_mask |= ADVERTISED_2500baseX_Full;
616 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
617 speed_mask |= ADVERTISED_10000baseT_Full;
618 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
619 speed_mask |= ADVERTISED_40000baseCR4_Full;
621 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
622 speed_mask |= ADVERTISED_Pause;
623 else if (fw_pause & BNXT_LINK_PAUSE_TX)
624 speed_mask |= ADVERTISED_Asym_Pause;
625 else if (fw_pause & BNXT_LINK_PAUSE_RX)
626 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
631 static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
633 u16 fw_speeds = link_info->auto_link_speeds;
636 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
637 fw_pause = link_info->auto_pause_setting;
639 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
642 static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info)
644 u16 fw_speeds = link_info->lp_auto_link_speeds;
647 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
648 fw_pause = link_info->lp_pause;
650 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
653 static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
655 u16 fw_speeds = link_info->support_speeds;
658 supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
659 return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause;
662 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
664 switch (fw_link_speed) {
665 case BNXT_LINK_SPEED_100MB:
667 case BNXT_LINK_SPEED_1GB:
669 case BNXT_LINK_SPEED_2_5GB:
671 case BNXT_LINK_SPEED_10GB:
673 case BNXT_LINK_SPEED_20GB:
675 case BNXT_LINK_SPEED_25GB:
677 case BNXT_LINK_SPEED_40GB:
679 case BNXT_LINK_SPEED_50GB:
682 return SPEED_UNKNOWN;
686 static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
688 struct bnxt *bp = netdev_priv(dev);
689 struct bnxt_link_info *link_info = &bp->link_info;
692 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
694 if (link_info->auto_link_speeds)
695 cmd->supported |= SUPPORTED_Autoneg;
697 if (link_info->autoneg) {
699 bnxt_fw_to_ethtool_advertised_spds(link_info);
700 cmd->advertising |= ADVERTISED_Autoneg;
701 cmd->autoneg = AUTONEG_ENABLE;
702 if (link_info->phy_link_status == BNXT_LINK_LINK)
703 cmd->lp_advertising =
704 bnxt_fw_to_ethtool_lp_adv(link_info);
705 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
706 if (!netif_carrier_ok(dev))
707 cmd->duplex = DUPLEX_UNKNOWN;
708 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
709 cmd->duplex = DUPLEX_FULL;
711 cmd->duplex = DUPLEX_HALF;
713 cmd->autoneg = AUTONEG_DISABLE;
714 cmd->advertising = 0;
716 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
717 cmd->duplex = DUPLEX_HALF;
718 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
719 cmd->duplex = DUPLEX_FULL;
721 ethtool_cmd_speed_set(cmd, ethtool_speed);
723 cmd->port = PORT_NONE;
724 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
726 cmd->supported |= SUPPORTED_TP;
727 cmd->advertising |= ADVERTISED_TP;
729 cmd->supported |= SUPPORTED_FIBRE;
730 cmd->advertising |= ADVERTISED_FIBRE;
732 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
734 else if (link_info->media_type ==
735 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
736 cmd->port = PORT_FIBRE;
739 if (link_info->transceiver ==
740 PORT_PHY_QCFG_RESP_XCVR_PKG_TYPE_XCVR_INTERNAL)
741 cmd->transceiver = XCVR_INTERNAL;
743 cmd->transceiver = XCVR_EXTERNAL;
744 cmd->phy_address = link_info->phy_addr;
749 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
751 struct bnxt *bp = netdev_priv(dev);
752 struct bnxt_link_info *link_info = &bp->link_info;
753 u16 support_spds = link_info->support_speeds;
756 switch (ethtool_speed) {
758 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
759 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
762 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
763 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
766 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
767 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
770 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
771 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
774 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
775 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
778 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
779 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
782 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
783 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
786 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
787 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
790 netdev_err(dev, "unsupported speed!\n");
796 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
798 u16 fw_speed_mask = 0;
800 /* only support autoneg at speed 100, 1000, and 10000 */
801 if (advertising & (ADVERTISED_100baseT_Full |
802 ADVERTISED_100baseT_Half)) {
803 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
805 if (advertising & (ADVERTISED_1000baseT_Full |
806 ADVERTISED_1000baseT_Half)) {
807 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
809 if (advertising & ADVERTISED_10000baseT_Full)
810 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
812 if (advertising & ADVERTISED_40000baseCR4_Full)
813 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
815 return fw_speed_mask;
818 static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
821 struct bnxt *bp = netdev_priv(dev);
822 struct bnxt_link_info *link_info = &bp->link_info;
823 u32 speed, fw_advertising = 0;
824 bool set_pause = false;
829 if (cmd->autoneg == AUTONEG_ENABLE) {
830 u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info);
832 if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg |
833 ADVERTISED_TP | ADVERTISED_FIBRE)) {
834 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
837 goto set_setting_exit;
839 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
840 if (fw_advertising & ~link_info->support_speeds) {
841 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
844 goto set_setting_exit;
846 link_info->autoneg |= BNXT_AUTONEG_SPEED;
848 link_info->advertising = link_info->support_speeds;
850 link_info->advertising = fw_advertising;
851 /* any change to autoneg will cause link change, therefore the
852 * driver should put back the original pause setting in autoneg
857 u8 phy_type = link_info->phy_type;
859 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
860 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
861 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
862 netdev_err(dev, "10GBase-T devices must autoneg\n");
864 goto set_setting_exit;
866 /* TODO: currently don't support half duplex */
867 if (cmd->duplex == DUPLEX_HALF) {
868 netdev_err(dev, "HALF DUPLEX is not supported!\n");
870 goto set_setting_exit;
872 /* If received a request for an unknown duplex, assume full*/
873 if (cmd->duplex == DUPLEX_UNKNOWN)
874 cmd->duplex = DUPLEX_FULL;
875 speed = ethtool_cmd_speed(cmd);
876 fw_speed = bnxt_get_fw_speed(dev, speed);
879 goto set_setting_exit;
881 link_info->req_link_speed = fw_speed;
882 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
883 link_info->autoneg = 0;
884 link_info->advertising = 0;
887 if (netif_running(dev))
888 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
894 static void bnxt_get_pauseparam(struct net_device *dev,
895 struct ethtool_pauseparam *epause)
897 struct bnxt *bp = netdev_priv(dev);
898 struct bnxt_link_info *link_info = &bp->link_info;
902 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
903 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
904 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
907 static int bnxt_set_pauseparam(struct net_device *dev,
908 struct ethtool_pauseparam *epause)
911 struct bnxt *bp = netdev_priv(dev);
912 struct bnxt_link_info *link_info = &bp->link_info;
917 if (epause->autoneg) {
918 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
921 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
922 if (bp->hwrm_spec_code >= 0x10201)
923 link_info->req_flow_ctrl =
924 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
926 /* when transition from auto pause to force pause,
927 * force a link change
929 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
930 link_info->force_link_chng = true;
931 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
932 link_info->req_flow_ctrl = 0;
934 if (epause->rx_pause)
935 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
937 if (epause->tx_pause)
938 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
940 if (netif_running(dev))
941 rc = bnxt_hwrm_set_pause(bp);
945 static u32 bnxt_get_link(struct net_device *dev)
947 struct bnxt *bp = netdev_priv(dev);
949 /* TODO: handle MF, VF, driver close case */
950 return bp->link_info.link_up;
953 static int bnxt_flash_nvram(struct net_device *dev,
961 struct bnxt *bp = netdev_priv(dev);
963 struct hwrm_nvm_write_input req = {0};
964 dma_addr_t dma_handle;
967 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
969 req.dir_type = cpu_to_le16(dir_type);
970 req.dir_ordinal = cpu_to_le16(dir_ordinal);
971 req.dir_ext = cpu_to_le16(dir_ext);
972 req.dir_attr = cpu_to_le16(dir_attr);
973 req.dir_data_length = cpu_to_le32(data_len);
975 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
978 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
982 memcpy(kmem, data, data_len);
983 req.host_src_addr = cpu_to_le64(dma_handle);
985 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
986 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
991 static int bnxt_firmware_reset(struct net_device *dev,
994 struct bnxt *bp = netdev_priv(dev);
995 struct hwrm_fw_reset_input req = {0};
997 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
999 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1000 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1001 /* (e.g. when firmware isn't already running) */
1003 case BNX_DIR_TYPE_CHIMP_PATCH:
1004 case BNX_DIR_TYPE_BOOTCODE:
1005 case BNX_DIR_TYPE_BOOTCODE_2:
1006 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1007 /* Self-reset ChiMP upon next PCIe reset: */
1008 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1010 case BNX_DIR_TYPE_APE_FW:
1011 case BNX_DIR_TYPE_APE_PATCH:
1012 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1014 case BNX_DIR_TYPE_KONG_FW:
1015 case BNX_DIR_TYPE_KONG_PATCH:
1016 req.embedded_proc_type =
1017 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1019 case BNX_DIR_TYPE_BONO_FW:
1020 case BNX_DIR_TYPE_BONO_PATCH:
1021 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1027 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1030 static int bnxt_flash_firmware(struct net_device *dev,
1039 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1042 case BNX_DIR_TYPE_BOOTCODE:
1043 case BNX_DIR_TYPE_BOOTCODE_2:
1044 code_type = CODE_BOOT;
1046 case BNX_DIR_TYPE_APE_FW:
1047 code_type = CODE_MCTP_PASSTHRU;
1050 netdev_err(dev, "Unsupported directory entry type: %u\n",
1054 if (fw_size < sizeof(struct bnxt_fw_header)) {
1055 netdev_err(dev, "Invalid firmware file size: %u\n",
1056 (unsigned int)fw_size);
1059 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1060 netdev_err(dev, "Invalid firmware signature: %08X\n",
1061 le32_to_cpu(header->signature));
1064 if (header->code_type != code_type) {
1065 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1066 code_type, header->code_type);
1069 if (header->device != DEVICE_CUMULUS_FAMILY) {
1070 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1071 DEVICE_CUMULUS_FAMILY, header->device);
1074 /* Confirm the CRC32 checksum of the file: */
1075 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1076 sizeof(stored_crc)));
1077 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1078 if (calculated_crc != stored_crc) {
1079 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1080 (unsigned long)stored_crc,
1081 (unsigned long)calculated_crc);
1084 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1085 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1086 0, 0, fw_data, fw_size);
1087 if (rc == 0) /* Firmware update successful */
1088 rc = bnxt_firmware_reset(dev, dir_type);
1093 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1096 case BNX_DIR_TYPE_CHIMP_PATCH:
1097 case BNX_DIR_TYPE_BOOTCODE:
1098 case BNX_DIR_TYPE_BOOTCODE_2:
1099 case BNX_DIR_TYPE_APE_FW:
1100 case BNX_DIR_TYPE_APE_PATCH:
1101 case BNX_DIR_TYPE_KONG_FW:
1102 case BNX_DIR_TYPE_KONG_PATCH:
1109 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1112 case BNX_DIR_TYPE_AVS:
1113 case BNX_DIR_TYPE_EXP_ROM_MBA:
1114 case BNX_DIR_TYPE_PCIE:
1115 case BNX_DIR_TYPE_TSCF_UCODE:
1116 case BNX_DIR_TYPE_EXT_PHY:
1117 case BNX_DIR_TYPE_CCM:
1118 case BNX_DIR_TYPE_ISCSI_BOOT:
1119 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1120 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1127 static bool bnxt_dir_type_is_executable(u16 dir_type)
1129 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1130 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1133 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1135 const char *filename)
1137 const struct firmware *fw;
1140 if (bnxt_dir_type_is_executable(dir_type) == false)
1143 rc = request_firmware(&fw, filename, &dev->dev);
1145 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1149 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1150 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1152 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1153 0, 0, fw->data, fw->size);
1154 release_firmware(fw);
1158 static int bnxt_flash_package_from_file(struct net_device *dev,
1161 netdev_err(dev, "packages are not yet supported\n");
1165 static int bnxt_flash_device(struct net_device *dev,
1166 struct ethtool_flash *flash)
1168 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1169 netdev_err(dev, "flashdev not supported from a virtual function\n");
1173 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1174 return bnxt_flash_package_from_file(dev, flash->data);
1176 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1179 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1181 struct bnxt *bp = netdev_priv(dev);
1183 struct hwrm_nvm_get_dir_info_input req = {0};
1184 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1186 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1188 mutex_lock(&bp->hwrm_cmd_lock);
1189 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1191 *entries = le32_to_cpu(output->entries);
1192 *length = le32_to_cpu(output->entry_length);
1194 mutex_unlock(&bp->hwrm_cmd_lock);
1198 static int bnxt_get_eeprom_len(struct net_device *dev)
1200 /* The -1 return value allows the entire 32-bit range of offsets to be
1201 * passed via the ethtool command-line utility.
1206 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1208 struct bnxt *bp = netdev_priv(dev);
1214 dma_addr_t dma_handle;
1215 struct hwrm_nvm_get_dir_entries_input req = {0};
1217 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1221 /* Insert 2 bytes of directory info (count and size of entries) */
1225 *data++ = dir_entries;
1226 *data++ = entry_length;
1228 memset(data, 0xff, len);
1230 buflen = dir_entries * entry_length;
1231 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1234 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1238 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1239 req.host_dest_addr = cpu_to_le64(dma_handle);
1240 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1242 memcpy(data, buf, len > buflen ? buflen : len);
1243 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1247 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1248 u32 length, u8 *data)
1250 struct bnxt *bp = netdev_priv(dev);
1253 dma_addr_t dma_handle;
1254 struct hwrm_nvm_read_input req = {0};
1256 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1259 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1263 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1264 req.host_dest_addr = cpu_to_le64(dma_handle);
1265 req.dir_idx = cpu_to_le16(index);
1266 req.offset = cpu_to_le32(offset);
1267 req.len = cpu_to_le32(length);
1269 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1271 memcpy(data, buf, length);
1272 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1276 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1277 u16 ext, u16 *index, u32 *item_length,
1280 struct bnxt *bp = netdev_priv(dev);
1282 struct hwrm_nvm_find_dir_entry_input req = {0};
1283 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1285 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1288 req.dir_type = cpu_to_le16(type);
1289 req.dir_ordinal = cpu_to_le16(ordinal);
1290 req.dir_ext = cpu_to_le16(ext);
1291 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1292 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1295 *index = le16_to_cpu(output->dir_idx);
1297 *item_length = le32_to_cpu(output->dir_item_length);
1299 *data_length = le32_to_cpu(output->dir_data_length);
1304 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1306 char *retval = NULL;
1313 /* null-terminate the log data (removing last '\n'): */
1314 data[datalen - 1] = 0;
1315 for (p = data; *p != 0; p++) {
1318 while (*p != 0 && *p != '\n') {
1320 while (*p != 0 && *p != '\t' && *p != '\n')
1322 if (field == desired_field)
1337 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1342 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1343 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1344 &index, NULL, &datalen) != 0)
1347 memset(buf, 0, buflen);
1348 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1351 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1355 static int bnxt_get_eeprom(struct net_device *dev,
1356 struct ethtool_eeprom *eeprom,
1362 if (eeprom->offset == 0) /* special offset value to get directory */
1363 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1365 index = eeprom->offset >> 24;
1366 offset = eeprom->offset & 0xffffff;
1369 netdev_err(dev, "unsupported index value: %d\n", index);
1373 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1376 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1378 struct bnxt *bp = netdev_priv(dev);
1379 struct hwrm_nvm_erase_dir_entry_input req = {0};
1381 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1382 req.dir_idx = cpu_to_le16(index);
1383 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1386 static int bnxt_set_eeprom(struct net_device *dev,
1387 struct ethtool_eeprom *eeprom,
1390 struct bnxt *bp = netdev_priv(dev);
1392 u16 type, ext, ordinal, attr;
1395 netdev_err(dev, "NVM write not supported from a virtual function\n");
1399 type = eeprom->magic >> 16;
1401 if (type == 0xffff) { /* special value for directory operations */
1402 index = eeprom->magic & 0xff;
1403 dir_op = eeprom->magic >> 8;
1407 case 0x0e: /* erase */
1408 if (eeprom->offset != ~eeprom->magic)
1410 return bnxt_erase_nvram_directory(dev, index - 1);
1416 /* Create or re-write an NVM item: */
1417 if (bnxt_dir_type_is_executable(type) == true)
1419 ext = eeprom->magic & 0xffff;
1420 ordinal = eeprom->offset >> 16;
1421 attr = eeprom->offset & 0xffff;
1423 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1427 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1429 struct bnxt *bp = netdev_priv(dev);
1430 struct ethtool_eee *eee = &bp->eee;
1431 struct bnxt_link_info *link_info = &bp->link_info;
1433 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1439 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1442 if (!edata->eee_enabled)
1445 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1446 netdev_warn(dev, "EEE requires autoneg\n");
1449 if (edata->tx_lpi_enabled) {
1450 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1451 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1452 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1453 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1455 } else if (!bp->lpi_tmr_hi) {
1456 edata->tx_lpi_timer = eee->tx_lpi_timer;
1459 if (!edata->advertised) {
1460 edata->advertised = advertising & eee->supported;
1461 } else if (edata->advertised & ~advertising) {
1462 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1463 edata->advertised, advertising);
1467 eee->advertised = edata->advertised;
1468 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1469 eee->tx_lpi_timer = edata->tx_lpi_timer;
1471 eee->eee_enabled = edata->eee_enabled;
1473 if (netif_running(dev))
1474 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1479 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1481 struct bnxt *bp = netdev_priv(dev);
1483 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1487 if (!bp->eee.eee_enabled) {
1488 /* Preserve tx_lpi_timer so that the last value will be used
1489 * by default when it is re-enabled.
1491 edata->advertised = 0;
1492 edata->tx_lpi_enabled = 0;
1495 if (!bp->eee.eee_active)
1496 edata->lp_advertised = 0;
1501 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
1502 u16 page_number, u16 start_addr,
1503 u16 data_length, u8 *buf)
1505 struct hwrm_port_phy_i2c_read_input req = {0};
1506 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1507 int rc, byte_offset = 0;
1509 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1510 req.i2c_slave_addr = i2c_addr;
1511 req.page_number = cpu_to_le16(page_number);
1512 req.port_id = cpu_to_le16(bp->pf.port_id);
1516 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
1517 data_length -= xfer_size;
1518 req.page_offset = cpu_to_le16(start_addr + byte_offset);
1519 req.data_length = xfer_size;
1520 req.enables = cpu_to_le32(start_addr + byte_offset ?
1521 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
1522 mutex_lock(&bp->hwrm_cmd_lock);
1523 rc = _hwrm_send_message(bp, &req, sizeof(req),
1526 memcpy(buf + byte_offset, output->data, xfer_size);
1527 mutex_unlock(&bp->hwrm_cmd_lock);
1528 byte_offset += xfer_size;
1529 } while (!rc && data_length > 0);
1534 static int bnxt_get_module_info(struct net_device *dev,
1535 struct ethtool_modinfo *modinfo)
1537 struct bnxt *bp = netdev_priv(dev);
1538 struct hwrm_port_phy_i2c_read_input req = {0};
1539 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1542 /* No point in going further if phy status indicates
1543 * module is not inserted or if it is powered down or
1544 * if it is of type 10GBase-T
1546 if (bp->link_info.module_status >
1547 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
1550 /* This feature is not supported in older firmware versions */
1551 if (bp->hwrm_spec_code < 0x10202)
1554 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1555 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
1556 req.page_number = 0;
1557 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
1558 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
1559 req.port_id = cpu_to_le16(bp->pf.port_id);
1560 mutex_lock(&bp->hwrm_cmd_lock);
1561 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1563 u32 module_id = le32_to_cpu(output->data[0]);
1565 switch (module_id) {
1566 case SFF_MODULE_ID_SFP:
1567 modinfo->type = ETH_MODULE_SFF_8472;
1568 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1570 case SFF_MODULE_ID_QSFP:
1571 case SFF_MODULE_ID_QSFP_PLUS:
1572 modinfo->type = ETH_MODULE_SFF_8436;
1573 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1575 case SFF_MODULE_ID_QSFP28:
1576 modinfo->type = ETH_MODULE_SFF_8636;
1577 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1584 mutex_unlock(&bp->hwrm_cmd_lock);
1588 static int bnxt_get_module_eeprom(struct net_device *dev,
1589 struct ethtool_eeprom *eeprom,
1592 struct bnxt *bp = netdev_priv(dev);
1593 u16 start = eeprom->offset, length = eeprom->len;
1596 memset(data, 0, eeprom->len);
1598 /* Read A0 portion of the EEPROM */
1599 if (start < ETH_MODULE_SFF_8436_LEN) {
1600 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
1601 length = ETH_MODULE_SFF_8436_LEN - start;
1602 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
1603 start, length, data);
1608 length = eeprom->len - length;
1611 /* Read A2 portion of the EEPROM */
1613 start -= ETH_MODULE_SFF_8436_LEN;
1614 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
1620 const struct ethtool_ops bnxt_ethtool_ops = {
1621 .get_settings = bnxt_get_settings,
1622 .set_settings = bnxt_set_settings,
1623 .get_pauseparam = bnxt_get_pauseparam,
1624 .set_pauseparam = bnxt_set_pauseparam,
1625 .get_drvinfo = bnxt_get_drvinfo,
1626 .get_coalesce = bnxt_get_coalesce,
1627 .set_coalesce = bnxt_set_coalesce,
1628 .get_msglevel = bnxt_get_msglevel,
1629 .set_msglevel = bnxt_set_msglevel,
1630 .get_sset_count = bnxt_get_sset_count,
1631 .get_strings = bnxt_get_strings,
1632 .get_ethtool_stats = bnxt_get_ethtool_stats,
1633 .set_ringparam = bnxt_set_ringparam,
1634 .get_ringparam = bnxt_get_ringparam,
1635 .get_channels = bnxt_get_channels,
1636 .set_channels = bnxt_set_channels,
1637 #ifdef CONFIG_RFS_ACCEL
1638 .get_rxnfc = bnxt_get_rxnfc,
1640 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1641 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1642 .get_rxfh = bnxt_get_rxfh,
1643 .flash_device = bnxt_flash_device,
1644 .get_eeprom_len = bnxt_get_eeprom_len,
1645 .get_eeprom = bnxt_get_eeprom,
1646 .set_eeprom = bnxt_set_eeprom,
1647 .get_link = bnxt_get_link,
1648 .get_eee = bnxt_get_eee,
1649 .set_eee = bnxt_set_eee,
1650 .get_module_info = bnxt_get_module_info,
1651 .get_module_eeprom = bnxt_get_module_eeprom,