1 /* Broadcom NetXtreme-C/E network driver.
3 * Copyright (c) 2014-2015 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/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>
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)
23 static u32 bnxt_get_msglevel(struct net_device *dev)
25 struct bnxt *bp = netdev_priv(dev);
27 return bp->msg_enable;
30 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
32 struct bnxt *bp = netdev_priv(dev);
34 bp->msg_enable = value;
37 static int bnxt_get_coalesce(struct net_device *dev,
38 struct ethtool_coalesce *coal)
40 struct bnxt *bp = netdev_priv(dev);
42 memset(coal, 0, sizeof(*coal));
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;
54 static int bnxt_set_coalesce(struct net_device *dev,
55 struct ethtool_coalesce *coal)
57 struct bnxt *bp = netdev_priv(dev);
60 bp->coal_ticks = BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs);
61 bp->coal_bufs = coal->rx_max_coalesced_frames * 2;
63 BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs_irq);
64 bp->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
66 if (netif_running(dev))
67 rc = bnxt_hwrm_set_coal(bp);
72 #define BNXT_NUM_STATS 21
74 static int bnxt_get_sset_count(struct net_device *dev, int sset)
76 struct bnxt *bp = netdev_priv(dev);
80 return BNXT_NUM_STATS * bp->cp_nr_rings;
86 static void bnxt_get_ethtool_stats(struct net_device *dev,
87 struct ethtool_stats *stats, u64 *buf)
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;
94 memset(buf, 0, buf_size);
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;
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;
111 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
113 struct bnxt *bp = netdev_priv(dev);
117 /* The number of strings must match BNXT_NUM_STATS defined above. */
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;
165 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
171 static void bnxt_get_ringparam(struct net_device *dev,
172 struct ethtool_ringparam *ering)
174 struct bnxt *bp = netdev_priv(dev);
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;
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;
185 static int bnxt_set_ringparam(struct net_device *dev,
186 struct ethtool_ringparam *ering)
188 struct bnxt *bp = netdev_priv(dev);
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))
195 if (netif_running(dev))
196 bnxt_close_nic(bp, false, false);
198 bp->rx_ring_size = ering->rx_pending;
199 bp->tx_ring_size = ering->tx_pending;
200 bnxt_set_ring_params(bp);
202 if (netif_running(dev))
203 return bnxt_open_nic(bp, false, false);
208 static void bnxt_get_channels(struct net_device *dev,
209 struct ethtool_channels *channel)
211 struct bnxt *bp = netdev_priv(dev);
212 int max_rx_rings, max_tx_rings, tcs;
214 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings);
215 tcs = netdev_get_num_tc(dev);
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;
227 static int bnxt_set_channels(struct net_device *dev,
228 struct ethtool_channels *channel)
230 struct bnxt *bp = netdev_priv(dev);
231 int max_rx_rings, max_tx_rings, tcs;
234 if (channel->other_count || channel->combined_count ||
235 !channel->rx_count || !channel->tx_count)
238 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings);
239 tcs = netdev_get_num_tc(dev);
243 if (channel->rx_count > max_rx_rings ||
244 channel->tx_count > max_tx_rings)
247 if (netif_running(dev)) {
249 /* TODO CHIMP_FW: Send message to all VF's
253 rc = bnxt_close_nic(bp, true, false);
255 netdev_err(bp->dev, "Set channel failure rc :%x\n",
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;
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;
269 if (netif_running(dev)) {
270 rc = bnxt_open_nic(bp, true, false);
271 if ((!rc) && BNXT_PF(bp)) {
272 /* TODO CHIMP_FW: Send message to all VF's
281 #ifdef CONFIG_RFS_ACCEL
282 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
287 cmd->data = bp->ntp_fltr_count;
288 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
289 struct hlist_head *head;
290 struct bnxt_ntuple_filter *fltr;
292 head = &bp->ntp_fltr_hash_tbl[i];
294 hlist_for_each_entry_rcu(fltr, head, hash) {
295 if (j == cmd->rule_cnt)
297 rule_locs[j++] = fltr->sw_id;
300 if (j == cmd->rule_cnt)
307 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
309 struct ethtool_rx_flow_spec *fs =
310 (struct ethtool_rx_flow_spec *)&cmd->fs;
311 struct bnxt_ntuple_filter *fltr;
312 struct flow_keys *fkeys;
315 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
318 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
319 struct hlist_head *head;
321 head = &bp->ntp_fltr_hash_tbl[i];
323 hlist_for_each_entry_rcu(fltr, head, hash) {
324 if (fltr->sw_id == fs->location)
332 fkeys = &fltr->fkeys;
333 if (fkeys->basic.ip_proto == IPPROTO_TCP)
334 fs->flow_type = TCP_V4_FLOW;
335 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
336 fs->flow_type = UDP_V4_FLOW;
340 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
341 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
343 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
344 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
346 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
347 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
349 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
350 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
352 fs->ring_cookie = fltr->rxq;
361 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
364 struct bnxt *bp = netdev_priv(dev);
368 case ETHTOOL_GRXRINGS:
369 cmd->data = bp->rx_nr_rings;
372 case ETHTOOL_GRXCLSRLCNT:
373 cmd->rule_cnt = bp->ntp_fltr_count;
374 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
377 case ETHTOOL_GRXCLSRLALL:
378 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
381 case ETHTOOL_GRXCLSRULE:
382 rc = bnxt_grxclsrule(bp, cmd);
394 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
396 return HW_HASH_INDEX_SIZE;
399 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
401 return HW_HASH_KEY_SIZE;
404 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
407 struct bnxt *bp = netdev_priv(dev);
408 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
412 *hfunc = ETH_RSS_HASH_TOP;
415 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
416 indir[i] = le16_to_cpu(vnic->rss_table[i]);
419 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
424 static void bnxt_get_drvinfo(struct net_device *dev,
425 struct ethtool_drvinfo *info)
427 struct bnxt *bp = netdev_priv(dev);
429 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
430 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
431 strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
432 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
433 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
434 info->testinfo_len = BNXT_NUM_TESTS(bp);
435 /* TODO CHIMP_FW: eeprom dump details */
436 info->eedump_len = 0;
437 /* TODO CHIMP FW: reg dump details */
438 info->regdump_len = 0;
441 static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
443 u16 fw_speeds = link_info->support_speeds;
446 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
447 speed_mask |= SUPPORTED_100baseT_Full;
448 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
449 speed_mask |= SUPPORTED_1000baseT_Full;
450 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
451 speed_mask |= SUPPORTED_2500baseX_Full;
452 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
453 speed_mask |= SUPPORTED_10000baseT_Full;
454 /* TODO: support 25GB, 50GB with different cable type */
455 if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
456 speed_mask |= SUPPORTED_20000baseMLD2_Full |
457 SUPPORTED_20000baseKR2_Full;
458 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
459 speed_mask |= SUPPORTED_40000baseKR4_Full |
460 SUPPORTED_40000baseCR4_Full |
461 SUPPORTED_40000baseSR4_Full |
462 SUPPORTED_40000baseLR4_Full;
467 static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
469 u16 fw_speeds = link_info->auto_link_speeds;
472 /* TODO: support 25GB, 40GB, 50GB with different cable type */
473 /* set the advertised speeds */
474 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
475 speed_mask |= ADVERTISED_100baseT_Full;
476 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
477 speed_mask |= ADVERTISED_1000baseT_Full;
478 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
479 speed_mask |= ADVERTISED_2500baseX_Full;
480 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
481 speed_mask |= ADVERTISED_10000baseT_Full;
482 /* TODO: how to advertise 20, 25, 40, 50GB with different cable type ?*/
483 if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
484 speed_mask |= ADVERTISED_20000baseMLD2_Full |
485 ADVERTISED_20000baseKR2_Full;
486 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
487 speed_mask |= ADVERTISED_40000baseKR4_Full |
488 ADVERTISED_40000baseCR4_Full |
489 ADVERTISED_40000baseSR4_Full |
490 ADVERTISED_40000baseLR4_Full;
494 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
496 switch (fw_link_speed) {
497 case BNXT_LINK_SPEED_100MB:
499 case BNXT_LINK_SPEED_1GB:
501 case BNXT_LINK_SPEED_2_5GB:
503 case BNXT_LINK_SPEED_10GB:
505 case BNXT_LINK_SPEED_20GB:
507 case BNXT_LINK_SPEED_25GB:
509 case BNXT_LINK_SPEED_40GB:
511 case BNXT_LINK_SPEED_50GB:
514 return SPEED_UNKNOWN;
518 static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
520 struct bnxt *bp = netdev_priv(dev);
521 struct bnxt_link_info *link_info = &bp->link_info;
524 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
526 if (link_info->auto_link_speeds)
527 cmd->supported |= SUPPORTED_Autoneg;
529 if (BNXT_AUTO_MODE(link_info->auto_mode)) {
531 bnxt_fw_to_ethtool_advertised_spds(link_info);
532 cmd->advertising |= ADVERTISED_Autoneg;
533 cmd->autoneg = AUTONEG_ENABLE;
535 cmd->autoneg = AUTONEG_DISABLE;
536 cmd->advertising = 0;
538 if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) {
539 if ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
540 BNXT_LINK_PAUSE_BOTH) {
541 cmd->advertising |= ADVERTISED_Pause;
542 cmd->supported |= SUPPORTED_Pause;
544 cmd->advertising |= ADVERTISED_Asym_Pause;
545 cmd->supported |= SUPPORTED_Asym_Pause;
546 if (link_info->auto_pause_setting &
548 cmd->advertising |= ADVERTISED_Pause;
550 } else if (link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) {
551 if ((link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
552 BNXT_LINK_PAUSE_BOTH) {
553 cmd->supported |= SUPPORTED_Pause;
555 cmd->supported |= SUPPORTED_Asym_Pause;
556 if (link_info->force_pause_setting &
558 cmd->supported |= SUPPORTED_Pause;
562 cmd->port = PORT_NONE;
563 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
565 cmd->supported |= SUPPORTED_TP;
566 cmd->advertising |= ADVERTISED_TP;
568 cmd->supported |= SUPPORTED_FIBRE;
569 cmd->advertising |= ADVERTISED_FIBRE;
571 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
573 else if (link_info->media_type ==
574 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
575 cmd->port = PORT_FIBRE;
578 if (link_info->phy_link_status == BNXT_LINK_LINK) {
579 if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
580 cmd->duplex = DUPLEX_FULL;
582 cmd->duplex = DUPLEX_UNKNOWN;
584 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
585 ethtool_cmd_speed_set(cmd, ethtool_speed);
586 if (link_info->transceiver ==
587 PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL)
588 cmd->transceiver = XCVR_INTERNAL;
590 cmd->transceiver = XCVR_EXTERNAL;
591 cmd->phy_address = link_info->phy_addr;
596 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
598 switch (ethtool_speed) {
600 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
602 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
604 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
606 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
608 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
610 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
612 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
614 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
616 netdev_err(dev, "unsupported speed!\n");
622 static u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
624 u16 fw_speed_mask = 0;
626 /* only support autoneg at speed 100, 1000, and 10000 */
627 if (advertising & (ADVERTISED_100baseT_Full |
628 ADVERTISED_100baseT_Half)) {
629 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
631 if (advertising & (ADVERTISED_1000baseT_Full |
632 ADVERTISED_1000baseT_Half)) {
633 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
635 if (advertising & ADVERTISED_10000baseT_Full)
636 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
638 return fw_speed_mask;
641 static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
644 struct bnxt *bp = netdev_priv(dev);
645 struct bnxt_link_info *link_info = &bp->link_info;
646 u32 speed, fw_advertising = 0;
647 bool set_pause = false;
652 if (cmd->autoneg == AUTONEG_ENABLE) {
653 if (link_info->media_type != PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
654 netdev_err(dev, "Media type doesn't support autoneg\n");
656 goto set_setting_exit;
658 if (cmd->advertising & ~(BNXT_ALL_COPPER_ETHTOOL_SPEED |
662 ADVERTISED_Asym_Pause)) {
663 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
666 goto set_setting_exit;
668 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
669 if (fw_advertising & ~link_info->support_speeds) {
670 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
673 goto set_setting_exit;
675 link_info->autoneg |= BNXT_AUTONEG_SPEED;
677 link_info->advertising = link_info->support_speeds;
679 link_info->advertising = fw_advertising;
680 /* any change to autoneg will cause link change, therefore the
681 * driver should put back the original pause setting in autoneg
685 /* TODO: currently don't support half duplex */
686 if (cmd->duplex == DUPLEX_HALF) {
687 netdev_err(dev, "HALF DUPLEX is not supported!\n");
689 goto set_setting_exit;
691 /* If received a request for an unknown duplex, assume full*/
692 if (cmd->duplex == DUPLEX_UNKNOWN)
693 cmd->duplex = DUPLEX_FULL;
694 speed = ethtool_cmd_speed(cmd);
695 link_info->req_link_speed = bnxt_get_fw_speed(dev, speed);
696 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
697 link_info->autoneg &= ~BNXT_AUTONEG_SPEED;
698 link_info->advertising = 0;
701 if (netif_running(dev))
702 rc = bnxt_hwrm_set_link_setting(bp, set_pause);
708 static void bnxt_get_pauseparam(struct net_device *dev,
709 struct ethtool_pauseparam *epause)
711 struct bnxt *bp = netdev_priv(dev);
712 struct bnxt_link_info *link_info = &bp->link_info;
716 epause->autoneg = !!(link_info->auto_pause_setting &
717 BNXT_LINK_PAUSE_BOTH);
718 epause->rx_pause = ((link_info->pause & BNXT_LINK_PAUSE_RX) != 0);
719 epause->tx_pause = ((link_info->pause & BNXT_LINK_PAUSE_TX) != 0);
722 static int bnxt_set_pauseparam(struct net_device *dev,
723 struct ethtool_pauseparam *epause)
726 struct bnxt *bp = netdev_priv(dev);
727 struct bnxt_link_info *link_info = &bp->link_info;
732 if (epause->autoneg) {
733 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
734 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH;
736 /* when transition from auto pause to force pause,
737 * force a link change
739 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
740 link_info->force_link_chng = true;
741 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
742 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH;
744 if (epause->rx_pause)
745 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
747 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX;
749 if (epause->tx_pause)
750 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
752 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX;
754 if (netif_running(dev))
755 rc = bnxt_hwrm_set_pause(bp);
759 static u32 bnxt_get_link(struct net_device *dev)
761 struct bnxt *bp = netdev_priv(dev);
763 /* TODO: handle MF, VF, driver close case */
764 return bp->link_info.link_up;
767 static int bnxt_flash_nvram(struct net_device *dev,
775 struct bnxt *bp = netdev_priv(dev);
777 struct hwrm_nvm_write_input req = {0};
778 dma_addr_t dma_handle;
781 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
783 req.dir_type = cpu_to_le16(dir_type);
784 req.dir_ordinal = cpu_to_le16(dir_ordinal);
785 req.dir_ext = cpu_to_le16(dir_ext);
786 req.dir_attr = cpu_to_le16(dir_attr);
787 req.dir_data_length = cpu_to_le32(data_len);
789 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
792 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
796 memcpy(kmem, data, data_len);
797 req.host_src_addr = cpu_to_le64(dma_handle);
799 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
800 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
805 static int bnxt_firmware_reset(struct net_device *dev,
808 struct bnxt *bp = netdev_priv(dev);
809 struct hwrm_fw_reset_input req = {0};
811 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
813 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
814 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
815 /* (e.g. when firmware isn't already running) */
817 case BNX_DIR_TYPE_CHIMP_PATCH:
818 case BNX_DIR_TYPE_BOOTCODE:
819 case BNX_DIR_TYPE_BOOTCODE_2:
820 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
821 /* Self-reset ChiMP upon next PCIe reset: */
822 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
824 case BNX_DIR_TYPE_APE_FW:
825 case BNX_DIR_TYPE_APE_PATCH:
826 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
828 case BNX_DIR_TYPE_KONG_FW:
829 case BNX_DIR_TYPE_KONG_PATCH:
830 req.embedded_proc_type =
831 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
833 case BNX_DIR_TYPE_BONO_FW:
834 case BNX_DIR_TYPE_BONO_PATCH:
835 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
841 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
844 static int bnxt_flash_firmware(struct net_device *dev,
853 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
856 case BNX_DIR_TYPE_BOOTCODE:
857 case BNX_DIR_TYPE_BOOTCODE_2:
858 code_type = CODE_BOOT;
861 netdev_err(dev, "Unsupported directory entry type: %u\n",
865 if (fw_size < sizeof(struct bnxt_fw_header)) {
866 netdev_err(dev, "Invalid firmware file size: %u\n",
867 (unsigned int)fw_size);
870 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
871 netdev_err(dev, "Invalid firmware signature: %08X\n",
872 le32_to_cpu(header->signature));
875 if (header->code_type != code_type) {
876 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
877 code_type, header->code_type);
880 if (header->device != DEVICE_CUMULUS_FAMILY) {
881 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
882 DEVICE_CUMULUS_FAMILY, header->device);
885 /* Confirm the CRC32 checksum of the file: */
886 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
887 sizeof(stored_crc)));
888 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
889 if (calculated_crc != stored_crc) {
890 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
891 (unsigned long)stored_crc,
892 (unsigned long)calculated_crc);
895 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
896 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
897 0, 0, fw_data, fw_size);
898 if (rc == 0) /* Firmware update successful */
899 rc = bnxt_firmware_reset(dev, dir_type);
904 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
907 case BNX_DIR_TYPE_CHIMP_PATCH:
908 case BNX_DIR_TYPE_BOOTCODE:
909 case BNX_DIR_TYPE_BOOTCODE_2:
910 case BNX_DIR_TYPE_APE_FW:
911 case BNX_DIR_TYPE_APE_PATCH:
912 case BNX_DIR_TYPE_KONG_FW:
913 case BNX_DIR_TYPE_KONG_PATCH:
920 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
923 case BNX_DIR_TYPE_AVS:
924 case BNX_DIR_TYPE_EXP_ROM_MBA:
925 case BNX_DIR_TYPE_PCIE:
926 case BNX_DIR_TYPE_TSCF_UCODE:
927 case BNX_DIR_TYPE_EXT_PHY:
928 case BNX_DIR_TYPE_CCM:
929 case BNX_DIR_TYPE_ISCSI_BOOT:
930 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
931 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
938 static bool bnxt_dir_type_is_executable(u16 dir_type)
940 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
941 bnxt_dir_type_is_unprotected_exec_format(dir_type);
944 static int bnxt_flash_firmware_from_file(struct net_device *dev,
946 const char *filename)
948 const struct firmware *fw;
951 if (bnxt_dir_type_is_executable(dir_type) == false)
954 rc = request_firmware(&fw, filename, &dev->dev);
956 netdev_err(dev, "Error %d requesting firmware file: %s\n",
960 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
961 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
963 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
964 0, 0, fw->data, fw->size);
965 release_firmware(fw);
969 static int bnxt_flash_package_from_file(struct net_device *dev,
972 netdev_err(dev, "packages are not yet supported\n");
976 static int bnxt_flash_device(struct net_device *dev,
977 struct ethtool_flash *flash)
979 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
980 netdev_err(dev, "flashdev not supported from a virtual function\n");
984 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
985 return bnxt_flash_package_from_file(dev, flash->data);
987 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
990 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
992 struct bnxt *bp = netdev_priv(dev);
994 struct hwrm_nvm_get_dir_info_input req = {0};
995 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
997 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
999 mutex_lock(&bp->hwrm_cmd_lock);
1000 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1002 *entries = le32_to_cpu(output->entries);
1003 *length = le32_to_cpu(output->entry_length);
1005 mutex_unlock(&bp->hwrm_cmd_lock);
1009 static int bnxt_get_eeprom_len(struct net_device *dev)
1011 /* The -1 return value allows the entire 32-bit range of offsets to be
1012 * passed via the ethtool command-line utility.
1017 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1019 struct bnxt *bp = netdev_priv(dev);
1025 dma_addr_t dma_handle;
1026 struct hwrm_nvm_get_dir_entries_input req = {0};
1028 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1032 /* Insert 2 bytes of directory info (count and size of entries) */
1036 *data++ = dir_entries;
1037 *data++ = entry_length;
1039 memset(data, 0xff, len);
1041 buflen = dir_entries * entry_length;
1042 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1045 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1049 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1050 req.host_dest_addr = cpu_to_le64(dma_handle);
1051 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1053 memcpy(data, buf, len > buflen ? buflen : len);
1054 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1058 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1059 u32 length, u8 *data)
1061 struct bnxt *bp = netdev_priv(dev);
1064 dma_addr_t dma_handle;
1065 struct hwrm_nvm_read_input req = {0};
1067 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1070 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1074 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1075 req.host_dest_addr = cpu_to_le64(dma_handle);
1076 req.dir_idx = cpu_to_le16(index);
1077 req.offset = cpu_to_le32(offset);
1078 req.len = cpu_to_le32(length);
1080 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1082 memcpy(data, buf, length);
1083 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1087 static int bnxt_get_eeprom(struct net_device *dev,
1088 struct ethtool_eeprom *eeprom,
1094 if (eeprom->offset == 0) /* special offset value to get directory */
1095 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1097 index = eeprom->offset >> 24;
1098 offset = eeprom->offset & 0xffffff;
1101 netdev_err(dev, "unsupported index value: %d\n", index);
1105 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1108 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1110 struct bnxt *bp = netdev_priv(dev);
1111 struct hwrm_nvm_erase_dir_entry_input req = {0};
1113 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1114 req.dir_idx = cpu_to_le16(index);
1115 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1118 static int bnxt_set_eeprom(struct net_device *dev,
1119 struct ethtool_eeprom *eeprom,
1122 struct bnxt *bp = netdev_priv(dev);
1124 u16 type, ext, ordinal, attr;
1127 netdev_err(dev, "NVM write not supported from a virtual function\n");
1131 type = eeprom->magic >> 16;
1133 if (type == 0xffff) { /* special value for directory operations */
1134 index = eeprom->magic & 0xff;
1135 dir_op = eeprom->magic >> 8;
1139 case 0x0e: /* erase */
1140 if (eeprom->offset != ~eeprom->magic)
1142 return bnxt_erase_nvram_directory(dev, index - 1);
1148 /* Create or re-write an NVM item: */
1149 if (bnxt_dir_type_is_executable(type) == true)
1151 ext = eeprom->magic & 0xffff;
1152 ordinal = eeprom->offset >> 16;
1153 attr = eeprom->offset & 0xffff;
1155 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1159 const struct ethtool_ops bnxt_ethtool_ops = {
1160 .get_settings = bnxt_get_settings,
1161 .set_settings = bnxt_set_settings,
1162 .get_pauseparam = bnxt_get_pauseparam,
1163 .set_pauseparam = bnxt_set_pauseparam,
1164 .get_drvinfo = bnxt_get_drvinfo,
1165 .get_coalesce = bnxt_get_coalesce,
1166 .set_coalesce = bnxt_set_coalesce,
1167 .get_msglevel = bnxt_get_msglevel,
1168 .set_msglevel = bnxt_set_msglevel,
1169 .get_sset_count = bnxt_get_sset_count,
1170 .get_strings = bnxt_get_strings,
1171 .get_ethtool_stats = bnxt_get_ethtool_stats,
1172 .set_ringparam = bnxt_set_ringparam,
1173 .get_ringparam = bnxt_get_ringparam,
1174 .get_channels = bnxt_get_channels,
1175 .set_channels = bnxt_set_channels,
1176 #ifdef CONFIG_RFS_ACCEL
1177 .get_rxnfc = bnxt_get_rxnfc,
1179 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1180 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1181 .get_rxfh = bnxt_get_rxfh,
1182 .flash_device = bnxt_flash_device,
1183 .get_eeprom_len = bnxt_get_eeprom_len,
1184 .get_eeprom = bnxt_get_eeprom,
1185 .set_eeprom = bnxt_set_eeprom,
1186 .get_link = bnxt_get_link,