/* Broadcom NetXtreme-C/E network driver. * * Copyright (c) 2014-2016 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include "bnxt_hsi.h" #include "bnxt.h" #include "bnxt_ethtool.h" #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */ #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */ #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100) static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen); static u32 bnxt_get_msglevel(struct net_device *dev) { struct bnxt *bp = netdev_priv(dev); return bp->msg_enable; } static void bnxt_set_msglevel(struct net_device *dev, u32 value) { struct bnxt *bp = netdev_priv(dev); bp->msg_enable = value; } static int bnxt_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) { struct bnxt *bp = netdev_priv(dev); memset(coal, 0, sizeof(*coal)); coal->rx_coalesce_usecs = bp->rx_coal_ticks; /* 2 completion records per rx packet */ coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2; coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq; coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2; coal->tx_coalesce_usecs = bp->tx_coal_ticks; coal->tx_max_coalesced_frames = bp->tx_coal_bufs; coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq; coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq; return 0; } static int bnxt_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) { struct bnxt *bp = netdev_priv(dev); int rc = 0; bp->rx_coal_ticks = coal->rx_coalesce_usecs; /* 2 completion records per rx packet */ bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2; bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq; bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2; bp->tx_coal_ticks = coal->tx_coalesce_usecs; bp->tx_coal_bufs = coal->tx_max_coalesced_frames; bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq; bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq; if (netif_running(dev)) rc = bnxt_hwrm_set_coal(bp); return rc; } #define BNXT_NUM_STATS 21 #define BNXT_RX_STATS_OFFSET(counter) \ (offsetof(struct rx_port_stats, counter) / 8) #define BNXT_RX_STATS_ENTRY(counter) \ { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } #define BNXT_TX_STATS_OFFSET(counter) \ ((offsetof(struct tx_port_stats, counter) + \ sizeof(struct rx_port_stats) + 512) / 8) #define BNXT_TX_STATS_ENTRY(counter) \ { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } static const struct { long offset; char string[ETH_GSTRING_LEN]; } bnxt_port_stats_arr[] = { BNXT_RX_STATS_ENTRY(rx_64b_frames), BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), BNXT_RX_STATS_ENTRY(rx_total_frames), BNXT_RX_STATS_ENTRY(rx_ucast_frames), BNXT_RX_STATS_ENTRY(rx_mcast_frames), BNXT_RX_STATS_ENTRY(rx_bcast_frames), BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), BNXT_RX_STATS_ENTRY(rx_ctrl_frames), BNXT_RX_STATS_ENTRY(rx_pause_frames), BNXT_RX_STATS_ENTRY(rx_pfc_frames), BNXT_RX_STATS_ENTRY(rx_align_err_frames), BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), BNXT_RX_STATS_ENTRY(rx_jbr_frames), BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), BNXT_RX_STATS_ENTRY(rx_tagged_frames), BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), BNXT_RX_STATS_ENTRY(rx_good_frames), BNXT_RX_STATS_ENTRY(rx_undrsz_frames), BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), BNXT_RX_STATS_ENTRY(rx_bytes), BNXT_RX_STATS_ENTRY(rx_runt_bytes), BNXT_RX_STATS_ENTRY(rx_runt_frames), BNXT_TX_STATS_ENTRY(tx_64b_frames), BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), BNXT_TX_STATS_ENTRY(tx_good_frames), BNXT_TX_STATS_ENTRY(tx_total_frames), BNXT_TX_STATS_ENTRY(tx_ucast_frames), BNXT_TX_STATS_ENTRY(tx_mcast_frames), BNXT_TX_STATS_ENTRY(tx_bcast_frames), BNXT_TX_STATS_ENTRY(tx_pause_frames), BNXT_TX_STATS_ENTRY(tx_pfc_frames), BNXT_TX_STATS_ENTRY(tx_jabber_frames), BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), BNXT_TX_STATS_ENTRY(tx_err), BNXT_TX_STATS_ENTRY(tx_fifo_underruns), BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), BNXT_TX_STATS_ENTRY(tx_total_collisions), BNXT_TX_STATS_ENTRY(tx_bytes), }; #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) static int bnxt_get_sset_count(struct net_device *dev, int sset) { struct bnxt *bp = netdev_priv(dev); switch (sset) { case ETH_SS_STATS: { int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; if (bp->flags & BNXT_FLAG_PORT_STATS) num_stats += BNXT_NUM_PORT_STATS; return num_stats; } default: return -EOPNOTSUPP; } } static void bnxt_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *buf) { u32 i, j = 0; struct bnxt *bp = netdev_priv(dev); u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; memset(buf, 0, buf_size); if (!bp->bnapi) return; for (i = 0; i < bp->cp_nr_rings; i++) { struct bnxt_napi *bnapi = bp->bnapi[i]; struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; __le64 *hw_stats = (__le64 *)cpr->hw_stats; int k; for (k = 0; k < stat_fields; j++, k++) buf[j] = le64_to_cpu(hw_stats[k]); buf[j++] = cpr->rx_l4_csum_errors; } if (bp->flags & BNXT_FLAG_PORT_STATS) { __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { buf[j] = le64_to_cpu(*(port_stats + bnxt_port_stats_arr[i].offset)); } } } static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) { struct bnxt *bp = netdev_priv(dev); u32 i; switch (stringset) { /* The number of strings must match BNXT_NUM_STATS defined above. */ case ETH_SS_STATS: for (i = 0; i < bp->cp_nr_rings; i++) { sprintf(buf, "[%d]: rx_ucast_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_mcast_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_bcast_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_discards", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_drops", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_ucast_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_mcast_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_bcast_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_ucast_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_mcast_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_bcast_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_discards", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_drops", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_ucast_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_mcast_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tx_bcast_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tpa_packets", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tpa_bytes", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tpa_events", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: tpa_aborts", i); buf += ETH_GSTRING_LEN; sprintf(buf, "[%d]: rx_l4_csum_errors", i); buf += ETH_GSTRING_LEN; } if (bp->flags & BNXT_FLAG_PORT_STATS) { for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { strcpy(buf, bnxt_port_stats_arr[i].string); buf += ETH_GSTRING_LEN; } } break; default: netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", stringset); break; } } static void bnxt_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) { struct bnxt *bp = netdev_priv(dev); ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; ering->rx_pending = bp->rx_ring_size; ering->rx_jumbo_pending = bp->rx_agg_ring_size; ering->tx_pending = bp->tx_ring_size; } static int bnxt_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) { struct bnxt *bp = netdev_priv(dev); if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || (ering->tx_pending <= MAX_SKB_FRAGS)) return -EINVAL; if (netif_running(dev)) bnxt_close_nic(bp, false, false); bp->rx_ring_size = ering->rx_pending; bp->tx_ring_size = ering->tx_pending; bnxt_set_ring_params(bp); if (netif_running(dev)) return bnxt_open_nic(bp, false, false); return 0; } static void bnxt_get_channels(struct net_device *dev, struct ethtool_channels *channel) { struct bnxt *bp = netdev_priv(dev); int max_rx_rings, max_tx_rings, tcs; bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); channel->max_combined = max_rx_rings; if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { max_rx_rings = 0; max_tx_rings = 0; } tcs = netdev_get_num_tc(dev); if (tcs > 1) max_tx_rings /= tcs; channel->max_rx = max_rx_rings; channel->max_tx = max_tx_rings; channel->max_other = 0; if (bp->flags & BNXT_FLAG_SHARED_RINGS) { channel->combined_count = bp->rx_nr_rings; } else { channel->rx_count = bp->rx_nr_rings; channel->tx_count = bp->tx_nr_rings_per_tc; } } static int bnxt_set_channels(struct net_device *dev, struct ethtool_channels *channel) { struct bnxt *bp = netdev_priv(dev); int max_rx_rings, max_tx_rings, tcs; u32 rc = 0; bool sh = false; if (channel->other_count) return -EINVAL; if (!channel->combined_count && (!channel->rx_count || !channel->tx_count)) return -EINVAL; if (channel->combined_count && (channel->rx_count || channel->tx_count)) return -EINVAL; if (channel->combined_count) sh = true; bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); tcs = netdev_get_num_tc(dev); if (tcs > 1) max_tx_rings /= tcs; if (sh && (channel->combined_count > max_rx_rings || channel->combined_count > max_tx_rings)) return -ENOMEM; if (!sh && (channel->rx_count > max_rx_rings || channel->tx_count > max_tx_rings)) return -ENOMEM; if (netif_running(dev)) { if (BNXT_PF(bp)) { /* TODO CHIMP_FW: Send message to all VF's * before PF unload */ } rc = bnxt_close_nic(bp, true, false); if (rc) { netdev_err(bp->dev, "Set channel failure rc :%x\n", rc); return rc; } } if (sh) { bp->flags |= BNXT_FLAG_SHARED_RINGS; bp->rx_nr_rings = channel->combined_count; bp->tx_nr_rings_per_tc = channel->combined_count; } else { bp->flags &= ~BNXT_FLAG_SHARED_RINGS; bp->rx_nr_rings = channel->rx_count; bp->tx_nr_rings_per_tc = channel->tx_count; } bp->tx_nr_rings = bp->tx_nr_rings_per_tc; if (tcs > 1) bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : bp->tx_nr_rings + bp->rx_nr_rings; bp->num_stat_ctxs = bp->cp_nr_rings; /* After changing number of rx channels, update NTUPLE feature. */ netdev_update_features(dev); if (netif_running(dev)) { rc = bnxt_open_nic(bp, true, false); if ((!rc) && BNXT_PF(bp)) { /* TODO CHIMP_FW: Send message to all VF's * to renable */ } } return rc; } #ifdef CONFIG_RFS_ACCEL static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, u32 *rule_locs) { int i, j = 0; cmd->data = bp->ntp_fltr_count; for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { struct hlist_head *head; struct bnxt_ntuple_filter *fltr; head = &bp->ntp_fltr_hash_tbl[i]; rcu_read_lock(); hlist_for_each_entry_rcu(fltr, head, hash) { if (j == cmd->rule_cnt) break; rule_locs[j++] = fltr->sw_id; } rcu_read_unlock(); if (j == cmd->rule_cnt) break; } cmd->rule_cnt = j; return 0; } static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) { struct ethtool_rx_flow_spec *fs = (struct ethtool_rx_flow_spec *)&cmd->fs; struct bnxt_ntuple_filter *fltr; struct flow_keys *fkeys; int i, rc = -EINVAL; if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) return rc; for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { struct hlist_head *head; head = &bp->ntp_fltr_hash_tbl[i]; rcu_read_lock(); hlist_for_each_entry_rcu(fltr, head, hash) { if (fltr->sw_id == fs->location) goto fltr_found; } rcu_read_unlock(); } return rc; fltr_found: fkeys = &fltr->fkeys; if (fkeys->basic.ip_proto == IPPROTO_TCP) fs->flow_type = TCP_V4_FLOW; else if (fkeys->basic.ip_proto == IPPROTO_UDP) fs->flow_type = UDP_V4_FLOW; else goto fltr_err; fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); fs->ring_cookie = fltr->rxq; rc = 0; fltr_err: rcu_read_unlock(); return rc; } static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, u32 *rule_locs) { struct bnxt *bp = netdev_priv(dev); int rc = 0; switch (cmd->cmd) { case ETHTOOL_GRXRINGS: cmd->data = bp->rx_nr_rings; break; case ETHTOOL_GRXCLSRLCNT: cmd->rule_cnt = bp->ntp_fltr_count; cmd->data = BNXT_NTP_FLTR_MAX_FLTR; break; case ETHTOOL_GRXCLSRLALL: rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); break; case ETHTOOL_GRXCLSRULE: rc = bnxt_grxclsrule(bp, cmd); break; default: rc = -EOPNOTSUPP; break; } return rc; } #endif static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) { return HW_HASH_INDEX_SIZE; } static u32 bnxt_get_rxfh_key_size(struct net_device *dev) { return HW_HASH_KEY_SIZE; } static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc) { struct bnxt *bp = netdev_priv(dev); struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; int i = 0; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; if (indir) for (i = 0; i < HW_HASH_INDEX_SIZE; i++) indir[i] = le16_to_cpu(vnic->rss_table[i]); if (key) memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); return 0; } static void bnxt_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct bnxt *bp = netdev_priv(dev); char *pkglog; char *pkgver = NULL; pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); if (pkglog) pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); if (pkgver && *pkgver != 0 && isdigit(*pkgver)) snprintf(info->fw_version, sizeof(info->fw_version) - 1, "%s pkg %s", bp->fw_ver_str, pkgver); else strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version)); strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; info->testinfo_len = BNXT_NUM_TESTS(bp); /* TODO CHIMP_FW: eeprom dump details */ info->eedump_len = 0; /* TODO CHIMP FW: reg dump details */ info->regdump_len = 0; kfree(pkglog); } u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) { u32 speed_mask = 0; /* TODO: support 25GB, 40GB, 50GB with different cable type */ /* set the advertised speeds */ if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) speed_mask |= ADVERTISED_100baseT_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) speed_mask |= ADVERTISED_1000baseT_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) speed_mask |= ADVERTISED_2500baseX_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) speed_mask |= ADVERTISED_10000baseT_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) speed_mask |= ADVERTISED_40000baseCR4_Full; if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) speed_mask |= ADVERTISED_Pause; else if (fw_pause & BNXT_LINK_PAUSE_TX) speed_mask |= ADVERTISED_Asym_Pause; else if (fw_pause & BNXT_LINK_PAUSE_RX) speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; return speed_mask; } #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ { \ if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 100baseT_Full); \ if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 1000baseT_Full); \ if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 10000baseT_Full); \ if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 25000baseCR_Full); \ if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 40000baseCR4_Full);\ if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 50000baseCR2_Full);\ if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ Pause); \ if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ ethtool_link_ksettings_add_link_mode( \ lk_ksettings, name, Asym_Pause);\ } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ Asym_Pause); \ } \ } #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ { \ if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 100baseT_Full) || \ ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 100baseT_Half)) \ (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 1000baseT_Full) || \ ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 1000baseT_Half)) \ (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 10000baseT_Full)) \ (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 25000baseCR_Full)) \ (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 40000baseCR4_Full)) \ (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 50000baseCR2_Full)) \ (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ } static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, struct ethtool_link_ksettings *lk_ksettings) { u16 fw_speeds = link_info->auto_link_speeds; u8 fw_pause = 0; if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) fw_pause = link_info->auto_pause_setting; BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); } static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, struct ethtool_link_ksettings *lk_ksettings) { u16 fw_speeds = link_info->lp_auto_link_speeds; u8 fw_pause = 0; if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) fw_pause = link_info->lp_pause; BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, lp_advertising); } static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, struct ethtool_link_ksettings *lk_ksettings) { u16 fw_speeds = link_info->support_speeds; BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Asym_Pause); if (link_info->support_auto_speeds) ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Autoneg); } u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) { switch (fw_link_speed) { case BNXT_LINK_SPEED_100MB: return SPEED_100; case BNXT_LINK_SPEED_1GB: return SPEED_1000; case BNXT_LINK_SPEED_2_5GB: return SPEED_2500; case BNXT_LINK_SPEED_10GB: return SPEED_10000; case BNXT_LINK_SPEED_20GB: return SPEED_20000; case BNXT_LINK_SPEED_25GB: return SPEED_25000; case BNXT_LINK_SPEED_40GB: return SPEED_40000; case BNXT_LINK_SPEED_50GB: return SPEED_50000; default: return SPEED_UNKNOWN; } } static int bnxt_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *lk_ksettings) { struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; struct ethtool_link_settings *base = &lk_ksettings->base; u32 ethtool_speed; ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); if (link_info->autoneg) { bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, Autoneg); base->autoneg = AUTONEG_ENABLE; if (link_info->phy_link_status == BNXT_LINK_LINK) bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); if (!netif_carrier_ok(dev)) base->duplex = DUPLEX_UNKNOWN; else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) base->duplex = DUPLEX_FULL; else base->duplex = DUPLEX_HALF; } else { base->autoneg = AUTONEG_DISABLE; ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->req_link_speed); base->duplex = DUPLEX_HALF; if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) base->duplex = DUPLEX_FULL; } base->speed = ethtool_speed; base->port = PORT_NONE; if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { base->port = PORT_TP; ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, TP); ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, TP); } else { ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, FIBRE); ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, FIBRE); if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) base->port = PORT_DA; else if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) base->port = PORT_FIBRE; } base->phy_address = link_info->phy_addr; return 0; } static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) { struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; u16 support_spds = link_info->support_speeds; u32 fw_speed = 0; switch (ethtool_speed) { case SPEED_100: if (support_spds & BNXT_LINK_SPEED_MSK_100MB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; break; case SPEED_1000: if (support_spds & BNXT_LINK_SPEED_MSK_1GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; break; case SPEED_2500: if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; break; case SPEED_10000: if (support_spds & BNXT_LINK_SPEED_MSK_10GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; break; case SPEED_20000: if (support_spds & BNXT_LINK_SPEED_MSK_20GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; break; case SPEED_25000: if (support_spds & BNXT_LINK_SPEED_MSK_25GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; break; case SPEED_40000: if (support_spds & BNXT_LINK_SPEED_MSK_40GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; break; case SPEED_50000: if (support_spds & BNXT_LINK_SPEED_MSK_50GB) fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; break; default: netdev_err(dev, "unsupported speed!\n"); break; } return fw_speed; } u16 bnxt_get_fw_auto_link_speeds(u32 advertising) { u16 fw_speed_mask = 0; /* only support autoneg at speed 100, 1000, and 10000 */ if (advertising & (ADVERTISED_100baseT_Full | ADVERTISED_100baseT_Half)) { fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; } if (advertising & (ADVERTISED_1000baseT_Full | ADVERTISED_1000baseT_Half)) { fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; } if (advertising & ADVERTISED_10000baseT_Full) fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; if (advertising & ADVERTISED_40000baseCR4_Full) fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; return fw_speed_mask; } static int bnxt_set_link_ksettings(struct net_device *dev, const struct ethtool_link_ksettings *lk_ksettings) { struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; const struct ethtool_link_settings *base = &lk_ksettings->base; u32 speed, fw_advertising = 0; bool set_pause = false; int rc = 0; if (!BNXT_SINGLE_PF(bp)) return -EOPNOTSUPP; if (base->autoneg == AUTONEG_ENABLE) { BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, advertising); link_info->autoneg |= BNXT_AUTONEG_SPEED; if (!fw_advertising) link_info->advertising = link_info->support_auto_speeds; else link_info->advertising = fw_advertising; /* any change to autoneg will cause link change, therefore the * driver should put back the original pause setting in autoneg */ set_pause = true; } else { u16 fw_speed; u8 phy_type = link_info->phy_type; if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { netdev_err(dev, "10GBase-T devices must autoneg\n"); rc = -EINVAL; goto set_setting_exit; } if (base->duplex == DUPLEX_HALF) { netdev_err(dev, "HALF DUPLEX is not supported!\n"); rc = -EINVAL; goto set_setting_exit; } speed = base->speed; fw_speed = bnxt_get_fw_speed(dev, speed); if (!fw_speed) { rc = -EINVAL; goto set_setting_exit; } link_info->req_link_speed = fw_speed; link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; link_info->autoneg = 0; link_info->advertising = 0; } if (netif_running(dev)) rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); set_setting_exit: return rc; } static void bnxt_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) { struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; if (BNXT_VF(bp)) return; epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); } static int bnxt_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) { int rc = 0; struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; if (!BNXT_SINGLE_PF(bp)) return -EOPNOTSUPP; if (epause->autoneg) { if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) return -EINVAL; link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; if (bp->hwrm_spec_code >= 0x10201) link_info->req_flow_ctrl = PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; } else { /* when transition from auto pause to force pause, * force a link change */ if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) link_info->force_link_chng = true; link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; link_info->req_flow_ctrl = 0; } if (epause->rx_pause) link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; if (epause->tx_pause) link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; if (netif_running(dev)) rc = bnxt_hwrm_set_pause(bp); return rc; } static u32 bnxt_get_link(struct net_device *dev) { struct bnxt *bp = netdev_priv(dev); /* TODO: handle MF, VF, driver close case */ return bp->link_info.link_up; } static int bnxt_flash_nvram(struct net_device *dev, u16 dir_type, u16 dir_ordinal, u16 dir_ext, u16 dir_attr, const u8 *data, size_t data_len) { struct bnxt *bp = netdev_priv(dev); int rc; struct hwrm_nvm_write_input req = {0}; dma_addr_t dma_handle; u8 *kmem; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); req.dir_type = cpu_to_le16(dir_type); req.dir_ordinal = cpu_to_le16(dir_ordinal); req.dir_ext = cpu_to_le16(dir_ext); req.dir_attr = cpu_to_le16(dir_attr); req.dir_data_length = cpu_to_le32(data_len); kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, GFP_KERNEL); if (!kmem) { netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", (unsigned)data_len); return -ENOMEM; } memcpy(kmem, data, data_len); req.host_src_addr = cpu_to_le64(dma_handle); rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); return rc; } static int bnxt_firmware_reset(struct net_device *dev, u16 dir_type) { struct bnxt *bp = netdev_priv(dev); struct hwrm_fw_reset_input req = {0}; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ /* (e.g. when firmware isn't already running) */ switch (dir_type) { case BNX_DIR_TYPE_CHIMP_PATCH: case BNX_DIR_TYPE_BOOTCODE: case BNX_DIR_TYPE_BOOTCODE_2: req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; /* Self-reset ChiMP upon next PCIe reset: */ req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; break; case BNX_DIR_TYPE_APE_FW: case BNX_DIR_TYPE_APE_PATCH: req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; /* Self-reset APE upon next PCIe reset: */ req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; break; case BNX_DIR_TYPE_KONG_FW: case BNX_DIR_TYPE_KONG_PATCH: req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; break; case BNX_DIR_TYPE_BONO_FW: case BNX_DIR_TYPE_BONO_PATCH: req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; break; default: return -EINVAL; } return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static int bnxt_flash_firmware(struct net_device *dev, u16 dir_type, const u8 *fw_data, size_t fw_size) { int rc = 0; u16 code_type; u32 stored_crc; u32 calculated_crc; struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; switch (dir_type) { case BNX_DIR_TYPE_BOOTCODE: case BNX_DIR_TYPE_BOOTCODE_2: code_type = CODE_BOOT; break; case BNX_DIR_TYPE_CHIMP_PATCH: code_type = CODE_CHIMP_PATCH; break; case BNX_DIR_TYPE_APE_FW: code_type = CODE_MCTP_PASSTHRU; break; case BNX_DIR_TYPE_APE_PATCH: code_type = CODE_APE_PATCH; break; case BNX_DIR_TYPE_KONG_FW: code_type = CODE_KONG_FW; break; case BNX_DIR_TYPE_KONG_PATCH: code_type = CODE_KONG_PATCH; break; case BNX_DIR_TYPE_BONO_FW: code_type = CODE_BONO_FW; break; case BNX_DIR_TYPE_BONO_PATCH: code_type = CODE_BONO_PATCH; break; default: netdev_err(dev, "Unsupported directory entry type: %u\n", dir_type); return -EINVAL; } if (fw_size < sizeof(struct bnxt_fw_header)) { netdev_err(dev, "Invalid firmware file size: %u\n", (unsigned int)fw_size); return -EINVAL; } if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { netdev_err(dev, "Invalid firmware signature: %08X\n", le32_to_cpu(header->signature)); return -EINVAL; } if (header->code_type != code_type) { netdev_err(dev, "Expected firmware type: %d, read: %d\n", code_type, header->code_type); return -EINVAL; } if (header->device != DEVICE_CUMULUS_FAMILY) { netdev_err(dev, "Expected firmware device family %d, read: %d\n", DEVICE_CUMULUS_FAMILY, header->device); return -EINVAL; } /* Confirm the CRC32 checksum of the file: */ stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - sizeof(stored_crc))); calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); if (calculated_crc != stored_crc) { netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", (unsigned long)stored_crc, (unsigned long)calculated_crc); return -EINVAL; } /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */ rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 0, 0, fw_data, fw_size); if (rc == 0) /* Firmware update successful */ rc = bnxt_firmware_reset(dev, dir_type); return rc; } static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) { switch (dir_type) { case BNX_DIR_TYPE_CHIMP_PATCH: case BNX_DIR_TYPE_BOOTCODE: case BNX_DIR_TYPE_BOOTCODE_2: case BNX_DIR_TYPE_APE_FW: case BNX_DIR_TYPE_APE_PATCH: case BNX_DIR_TYPE_KONG_FW: case BNX_DIR_TYPE_KONG_PATCH: case BNX_DIR_TYPE_BONO_FW: case BNX_DIR_TYPE_BONO_PATCH: return true; } return false; } static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type) { switch (dir_type) { case BNX_DIR_TYPE_AVS: case BNX_DIR_TYPE_EXP_ROM_MBA: case BNX_DIR_TYPE_PCIE: case BNX_DIR_TYPE_TSCF_UCODE: case BNX_DIR_TYPE_EXT_PHY: case BNX_DIR_TYPE_CCM: case BNX_DIR_TYPE_ISCSI_BOOT: case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: return true; } return false; } static bool bnxt_dir_type_is_executable(u16 dir_type) { return bnxt_dir_type_is_ape_bin_format(dir_type) || bnxt_dir_type_is_unprotected_exec_format(dir_type); } static int bnxt_flash_firmware_from_file(struct net_device *dev, u16 dir_type, const char *filename) { const struct firmware *fw; int rc; if (dir_type != BNX_DIR_TYPE_UPDATE && bnxt_dir_type_is_executable(dir_type) == false) return -EINVAL; rc = request_firmware(&fw, filename, &dev->dev); if (rc != 0) { netdev_err(dev, "Error %d requesting firmware file: %s\n", rc, filename); return rc; } if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); else rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 0, 0, fw->data, fw->size); release_firmware(fw); return rc; } static int bnxt_flash_package_from_file(struct net_device *dev, char *filename) { netdev_err(dev, "packages are not yet supported\n"); return -EINVAL; } static int bnxt_flash_device(struct net_device *dev, struct ethtool_flash *flash) { if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { netdev_err(dev, "flashdev not supported from a virtual function\n"); return -EINVAL; } if (flash->region == ETHTOOL_FLASH_ALL_REGIONS) return bnxt_flash_package_from_file(dev, flash->data); return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); } static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) { struct bnxt *bp = netdev_priv(dev); int rc; struct hwrm_nvm_get_dir_info_input req = {0}; struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); mutex_lock(&bp->hwrm_cmd_lock); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (!rc) { *entries = le32_to_cpu(output->entries); *length = le32_to_cpu(output->entry_length); } mutex_unlock(&bp->hwrm_cmd_lock); return rc; } static int bnxt_get_eeprom_len(struct net_device *dev) { /* The -1 return value allows the entire 32-bit range of offsets to be * passed via the ethtool command-line utility. */ return -1; } static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) { struct bnxt *bp = netdev_priv(dev); int rc; u32 dir_entries; u32 entry_length; u8 *buf; size_t buflen; dma_addr_t dma_handle; struct hwrm_nvm_get_dir_entries_input req = {0}; rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); if (rc != 0) return rc; /* Insert 2 bytes of directory info (count and size of entries) */ if (len < 2) return -EINVAL; *data++ = dir_entries; *data++ = entry_length; len -= 2; memset(data, 0xff, len); buflen = dir_entries * entry_length; buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, GFP_KERNEL); if (!buf) { netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", (unsigned)buflen); return -ENOMEM; } bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); req.host_dest_addr = cpu_to_le64(dma_handle); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc == 0) memcpy(data, buf, len > buflen ? buflen : len); dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); return rc; } static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, u32 length, u8 *data) { struct bnxt *bp = netdev_priv(dev); int rc; u8 *buf; dma_addr_t dma_handle; struct hwrm_nvm_read_input req = {0}; buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, GFP_KERNEL); if (!buf) { netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", (unsigned)length); return -ENOMEM; } bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); req.host_dest_addr = cpu_to_le64(dma_handle); req.dir_idx = cpu_to_le16(index); req.offset = cpu_to_le32(offset); req.len = cpu_to_le32(length); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc == 0) memcpy(data, buf, length); dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); return rc; } static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, u16 ext, u16 *index, u32 *item_length, u32 *data_length) { struct bnxt *bp = netdev_priv(dev); int rc; struct hwrm_nvm_find_dir_entry_input req = {0}; struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); req.enables = 0; req.dir_idx = 0; req.dir_type = cpu_to_le16(type); req.dir_ordinal = cpu_to_le16(ordinal); req.dir_ext = cpu_to_le16(ext); req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc == 0) { if (index) *index = le16_to_cpu(output->dir_idx); if (item_length) *item_length = le32_to_cpu(output->dir_item_length); if (data_length) *data_length = le32_to_cpu(output->dir_data_length); } return rc; } static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) { char *retval = NULL; char *p; char *value; int field = 0; if (datalen < 1) return NULL; /* null-terminate the log data (removing last '\n'): */ data[datalen - 1] = 0; for (p = data; *p != 0; p++) { field = 0; retval = NULL; while (*p != 0 && *p != '\n') { value = p; while (*p != 0 && *p != '\t' && *p != '\n') p++; if (field == desired_field) retval = value; if (*p != '\t') break; *p = 0; field++; p++; } if (*p == 0) break; *p = 0; } return retval; } static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) { u16 index = 0; u32 datalen; if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, &index, NULL, &datalen) != 0) return NULL; memset(buf, 0, buflen); if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) return NULL; return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, datalen); } static int bnxt_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data) { u32 index; u32 offset; if (eeprom->offset == 0) /* special offset value to get directory */ return bnxt_get_nvram_directory(dev, eeprom->len, data); index = eeprom->offset >> 24; offset = eeprom->offset & 0xffffff; if (index == 0) { netdev_err(dev, "unsupported index value: %d\n", index); return -EINVAL; } return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); } static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) { struct bnxt *bp = netdev_priv(dev); struct hwrm_nvm_erase_dir_entry_input req = {0}; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); req.dir_idx = cpu_to_le16(index); return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static int bnxt_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data) { struct bnxt *bp = netdev_priv(dev); u8 index, dir_op; u16 type, ext, ordinal, attr; if (!BNXT_PF(bp)) { netdev_err(dev, "NVM write not supported from a virtual function\n"); return -EINVAL; } type = eeprom->magic >> 16; if (type == 0xffff) { /* special value for directory operations */ index = eeprom->magic & 0xff; dir_op = eeprom->magic >> 8; if (index == 0) return -EINVAL; switch (dir_op) { case 0x0e: /* erase */ if (eeprom->offset != ~eeprom->magic) return -EINVAL; return bnxt_erase_nvram_directory(dev, index - 1); default: return -EINVAL; } } /* Create or re-write an NVM item: */ if (bnxt_dir_type_is_executable(type) == true) return -EINVAL; ext = eeprom->magic & 0xffff; ordinal = eeprom->offset >> 16; attr = eeprom->offset & 0xffff; return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, eeprom->len); } static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) { struct bnxt *bp = netdev_priv(dev); struct ethtool_eee *eee = &bp->eee; struct bnxt_link_info *link_info = &bp->link_info; u32 advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); int rc = 0; if (!BNXT_SINGLE_PF(bp)) return -EOPNOTSUPP; if (!(bp->flags & BNXT_FLAG_EEE_CAP)) return -EOPNOTSUPP; if (!edata->eee_enabled) goto eee_ok; if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { netdev_warn(dev, "EEE requires autoneg\n"); return -EINVAL; } if (edata->tx_lpi_enabled) { if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || edata->tx_lpi_timer < bp->lpi_tmr_lo)) { netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", bp->lpi_tmr_lo, bp->lpi_tmr_hi); return -EINVAL; } else if (!bp->lpi_tmr_hi) { edata->tx_lpi_timer = eee->tx_lpi_timer; } } if (!edata->advertised) { edata->advertised = advertising & eee->supported; } else if (edata->advertised & ~advertising) { netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", edata->advertised, advertising); return -EINVAL; } eee->advertised = edata->advertised; eee->tx_lpi_enabled = edata->tx_lpi_enabled; eee->tx_lpi_timer = edata->tx_lpi_timer; eee_ok: eee->eee_enabled = edata->eee_enabled; if (netif_running(dev)) rc = bnxt_hwrm_set_link_setting(bp, false, true); return rc; } static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) { struct bnxt *bp = netdev_priv(dev); if (!(bp->flags & BNXT_FLAG_EEE_CAP)) return -EOPNOTSUPP; *edata = bp->eee; if (!bp->eee.eee_enabled) { /* Preserve tx_lpi_timer so that the last value will be used * by default when it is re-enabled. */ edata->advertised = 0; edata->tx_lpi_enabled = 0; } if (!bp->eee.eee_active) edata->lp_advertised = 0; return 0; } static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, u16 page_number, u16 start_addr, u16 data_length, u8 *buf) { struct hwrm_port_phy_i2c_read_input req = {0}; struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; int rc, byte_offset = 0; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); req.i2c_slave_addr = i2c_addr; req.page_number = cpu_to_le16(page_number); req.port_id = cpu_to_le16(bp->pf.port_id); do { u16 xfer_size; xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); data_length -= xfer_size; req.page_offset = cpu_to_le16(start_addr + byte_offset); req.data_length = xfer_size; req.enables = cpu_to_le32(start_addr + byte_offset ? PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); mutex_lock(&bp->hwrm_cmd_lock); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (!rc) memcpy(buf + byte_offset, output->data, xfer_size); mutex_unlock(&bp->hwrm_cmd_lock); byte_offset += xfer_size; } while (!rc && data_length > 0); return rc; } static int bnxt_get_module_info(struct net_device *dev, struct ethtool_modinfo *modinfo) { struct bnxt *bp = netdev_priv(dev); struct hwrm_port_phy_i2c_read_input req = {0}; struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; int rc; /* No point in going further if phy status indicates * module is not inserted or if it is powered down or * if it is of type 10GBase-T */ if (bp->link_info.module_status > PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) return -EOPNOTSUPP; /* This feature is not supported in older firmware versions */ if (bp->hwrm_spec_code < 0x10202) return -EOPNOTSUPP; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); req.i2c_slave_addr = I2C_DEV_ADDR_A0; req.page_number = 0; req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; req.port_id = cpu_to_le16(bp->pf.port_id); mutex_lock(&bp->hwrm_cmd_lock); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (!rc) { u32 module_id = le32_to_cpu(output->data[0]); switch (module_id) { case SFF_MODULE_ID_SFP: modinfo->type = ETH_MODULE_SFF_8472; modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; break; case SFF_MODULE_ID_QSFP: case SFF_MODULE_ID_QSFP_PLUS: modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; break; case SFF_MODULE_ID_QSFP28: modinfo->type = ETH_MODULE_SFF_8636; modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; break; default: rc = -EOPNOTSUPP; break; } } mutex_unlock(&bp->hwrm_cmd_lock); return rc; } static int bnxt_get_module_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data) { struct bnxt *bp = netdev_priv(dev); u16 start = eeprom->offset, length = eeprom->len; int rc; memset(data, 0, eeprom->len); /* Read A0 portion of the EEPROM */ if (start < ETH_MODULE_SFF_8436_LEN) { if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) length = ETH_MODULE_SFF_8436_LEN - start; rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, start, length, data); if (rc) return rc; start += length; data += length; length = eeprom->len - length; } /* Read A2 portion of the EEPROM */ if (length) { start -= ETH_MODULE_SFF_8436_LEN; bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, length, data); } return rc; } const struct ethtool_ops bnxt_ethtool_ops = { .get_link_ksettings = bnxt_get_link_ksettings, .set_link_ksettings = bnxt_set_link_ksettings, .get_pauseparam = bnxt_get_pauseparam, .set_pauseparam = bnxt_set_pauseparam, .get_drvinfo = bnxt_get_drvinfo, .get_coalesce = bnxt_get_coalesce, .set_coalesce = bnxt_set_coalesce, .get_msglevel = bnxt_get_msglevel, .set_msglevel = bnxt_set_msglevel, .get_sset_count = bnxt_get_sset_count, .get_strings = bnxt_get_strings, .get_ethtool_stats = bnxt_get_ethtool_stats, .set_ringparam = bnxt_set_ringparam, .get_ringparam = bnxt_get_ringparam, .get_channels = bnxt_get_channels, .set_channels = bnxt_set_channels, #ifdef CONFIG_RFS_ACCEL .get_rxnfc = bnxt_get_rxnfc, #endif .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, .get_rxfh_key_size = bnxt_get_rxfh_key_size, .get_rxfh = bnxt_get_rxfh, .flash_device = bnxt_flash_device, .get_eeprom_len = bnxt_get_eeprom_len, .get_eeprom = bnxt_get_eeprom, .set_eeprom = bnxt_set_eeprom, .get_link = bnxt_get_link, .get_eee = bnxt_get_eee, .set_eee = bnxt_set_eee, .get_module_info = bnxt_get_module_info, .get_module_eeprom = bnxt_get_module_eeprom, };