| /* Broadcom NetXtreme-C/E network driver. |
| * |
| * Copyright (c) 2014-2015 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 <linux/ctype.h> |
| #include <linux/stringify.h> |
| #include <linux/ethtool.h> |
| #include <linux/interrupt.h> |
| #include <linux/pci.h> |
| #include <linux/etherdevice.h> |
| #include <linux/crc32.h> |
| #include <linux/firmware.h> |
| #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; |
| |
| bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false); |
| 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); |
| } |
| |
| static 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; |
| } |
| |
| static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info) |
| { |
| 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; |
| |
| return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause); |
| } |
| |
| static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info) |
| { |
| 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; |
| |
| return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause); |
| } |
| |
| static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info) |
| { |
| u16 fw_speeds = link_info->support_speeds; |
| u32 supported; |
| |
| supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0); |
| return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause; |
| } |
| |
| 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_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| struct bnxt *bp = netdev_priv(dev); |
| struct bnxt_link_info *link_info = &bp->link_info; |
| u16 ethtool_speed; |
| |
| cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info); |
| |
| if (link_info->auto_link_speeds) |
| cmd->supported |= SUPPORTED_Autoneg; |
| |
| if (link_info->autoneg) { |
| cmd->advertising = |
| bnxt_fw_to_ethtool_advertised_spds(link_info); |
| cmd->advertising |= ADVERTISED_Autoneg; |
| cmd->autoneg = AUTONEG_ENABLE; |
| if (link_info->phy_link_status == BNXT_LINK_LINK) |
| cmd->lp_advertising = |
| bnxt_fw_to_ethtool_lp_adv(link_info); |
| } else { |
| cmd->autoneg = AUTONEG_DISABLE; |
| cmd->advertising = 0; |
| } |
| |
| cmd->port = PORT_NONE; |
| if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { |
| cmd->port = PORT_TP; |
| cmd->supported |= SUPPORTED_TP; |
| cmd->advertising |= ADVERTISED_TP; |
| } else { |
| cmd->supported |= SUPPORTED_FIBRE; |
| cmd->advertising |= ADVERTISED_FIBRE; |
| |
| if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) |
| cmd->port = PORT_DA; |
| else if (link_info->media_type == |
| PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) |
| cmd->port = PORT_FIBRE; |
| } |
| |
| if (link_info->phy_link_status == BNXT_LINK_LINK) { |
| if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) |
| cmd->duplex = DUPLEX_FULL; |
| } else { |
| cmd->duplex = DUPLEX_UNKNOWN; |
| } |
| ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); |
| ethtool_cmd_speed_set(cmd, ethtool_speed); |
| if (link_info->transceiver == |
| PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL) |
| cmd->transceiver = XCVR_INTERNAL; |
| else |
| cmd->transceiver = XCVR_EXTERNAL; |
| cmd->phy_address = link_info->phy_addr; |
| |
| return 0; |
| } |
| |
| static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) |
| { |
| switch (ethtool_speed) { |
| case SPEED_100: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; |
| case SPEED_1000: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; |
| case SPEED_2500: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; |
| case SPEED_10000: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; |
| case SPEED_20000: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; |
| case SPEED_25000: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; |
| case SPEED_40000: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; |
| case SPEED_50000: |
| return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; |
| default: |
| netdev_err(dev, "unsupported speed!\n"); |
| break; |
| } |
| return 0; |
| } |
| |
| static 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_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| int rc = 0; |
| struct bnxt *bp = netdev_priv(dev); |
| struct bnxt_link_info *link_info = &bp->link_info; |
| u32 speed, fw_advertising = 0; |
| bool set_pause = false; |
| |
| if (BNXT_VF(bp)) |
| return rc; |
| |
| if (cmd->autoneg == AUTONEG_ENABLE) { |
| u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info); |
| |
| if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg | |
| ADVERTISED_TP | ADVERTISED_FIBRE)) { |
| netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n", |
| cmd->advertising); |
| rc = -EINVAL; |
| goto set_setting_exit; |
| } |
| fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising); |
| if (fw_advertising & ~link_info->support_speeds) { |
| netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n", |
| cmd->advertising); |
| rc = -EINVAL; |
| goto set_setting_exit; |
| } |
| link_info->autoneg |= BNXT_AUTONEG_SPEED; |
| if (!fw_advertising) |
| link_info->advertising = link_info->support_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 { |
| /* TODO: currently don't support half duplex */ |
| if (cmd->duplex == DUPLEX_HALF) { |
| netdev_err(dev, "HALF DUPLEX is not supported!\n"); |
| rc = -EINVAL; |
| goto set_setting_exit; |
| } |
| /* If received a request for an unknown duplex, assume full*/ |
| if (cmd->duplex == DUPLEX_UNKNOWN) |
| cmd->duplex = DUPLEX_FULL; |
| speed = ethtool_cmd_speed(cmd); |
| link_info->req_link_speed = bnxt_get_fw_speed(dev, 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); |
| |
| 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_VF(bp)) |
| return rc; |
| |
| if (epause->autoneg) { |
| if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) |
| return -EINVAL; |
| |
| link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; |
| link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH; |
| } 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 &= ~BNXT_LINK_PAUSE_BOTH; |
| } |
| if (epause->rx_pause) |
| link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; |
| else |
| link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX; |
| |
| if (epause->tx_pause) |
| link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; |
| else |
| 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; |
| 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_APE_FW: |
| code_type = CODE_MCTP_PASSTHRU; |
| 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: |
| 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 (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); |
| } |
| |
| const struct ethtool_ops bnxt_ethtool_ops = { |
| .get_settings = bnxt_get_settings, |
| .set_settings = bnxt_set_settings, |
| .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, |
| }; |