diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 255 |
1 files changed, 185 insertions, 70 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 34046a6286e8..07526868f7be 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -137,7 +137,7 @@ reset_coalesce: return rc; } -static const char * const bnxt_ring_stats_str[] = { +static const char * const bnxt_ring_rx_stats_str[] = { "rx_ucast_packets", "rx_mcast_packets", "rx_bcast_packets", @@ -146,6 +146,9 @@ static const char * const bnxt_ring_stats_str[] = { "rx_ucast_bytes", "rx_mcast_bytes", "rx_bcast_bytes", +}; + +static const char * const bnxt_ring_tx_stats_str[] = { "tx_ucast_packets", "tx_mcast_packets", "tx_bcast_packets", @@ -171,9 +174,12 @@ static const char * const bnxt_ring_tpa2_stats_str[] = { "rx_tpa_errors", }; -static const char * const bnxt_ring_sw_stats_str[] = { +static const char * const bnxt_rx_sw_stats_str[] = { "rx_l4_csum_errors", "rx_buf_errors", +}; + +static const char * const bnxt_cmn_sw_stats_str[] = { "missed_irqs", }; @@ -303,6 +309,11 @@ static struct { {0, "tx_total_discard_pkts"}, }; +#define NUM_RING_RX_SW_STATS ARRAY_SIZE(bnxt_rx_sw_stats_str) +#define NUM_RING_CMN_SW_STATS ARRAY_SIZE(bnxt_cmn_sw_stats_str) +#define NUM_RING_RX_HW_STATS ARRAY_SIZE(bnxt_ring_rx_stats_str) +#define NUM_RING_TX_HW_STATS ARRAY_SIZE(bnxt_ring_tx_stats_str) + static const struct { long offset; char string[ETH_GSTRING_LEN]; @@ -482,12 +493,21 @@ static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp) static int bnxt_get_num_ring_stats(struct bnxt *bp) { - int num_stats; + int rx, tx, cmn; + bool sh = false; + + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + sh = true; - num_stats = ARRAY_SIZE(bnxt_ring_stats_str) + - ARRAY_SIZE(bnxt_ring_sw_stats_str) + - bnxt_get_num_tpa_ring_stats(bp); - return num_stats * bp->cp_nr_rings; + rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS + + bnxt_get_num_tpa_ring_stats(bp); + tx = NUM_RING_TX_HW_STATS; + cmn = NUM_RING_CMN_SW_STATS; + if (sh) + return (rx + tx + cmn) * bp->cp_nr_rings; + else + return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings + + cmn * bp->cp_nr_rings; } static int bnxt_get_num_stats(struct bnxt *bp) @@ -528,13 +548,29 @@ static int bnxt_get_sset_count(struct net_device *dev, int sset) } } +static bool is_rx_ring(struct bnxt *bp, int ring_num) +{ + return ring_num < bp->rx_nr_rings; +} + +static bool is_tx_ring(struct bnxt *bp, int ring_num) +{ + int tx_base = 0; + + if (!(bp->flags & BNXT_FLAG_SHARED_RINGS)) + tx_base = bp->rx_nr_rings; + + if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings)) + return true; + return false; +} + 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 stat_fields = ARRAY_SIZE(bnxt_ring_stats_str) + - bnxt_get_num_tpa_ring_stats(bp); + u32 tpa_stats; if (!bp->bnapi) { j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS; @@ -544,17 +580,42 @@ static void bnxt_get_ethtool_stats(struct net_device *dev, for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) bnxt_sw_func_stats[i].counter = 0; + tpa_stats = bnxt_get_num_tpa_ring_stats(bp); 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; + u64 *sw; int k; - for (k = 0; k < stat_fields; j++, k++) + if (is_rx_ring(bp, i)) { + for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++) + buf[j] = le64_to_cpu(hw_stats[k]); + } + if (is_tx_ring(bp, i)) { + k = NUM_RING_RX_HW_STATS; + for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS; + j++, k++) + buf[j] = le64_to_cpu(hw_stats[k]); + } + if (!tpa_stats || !is_rx_ring(bp, i)) + goto skip_tpa_ring_stats; + + k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS; + for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS + + tpa_stats; j++, k++) buf[j] = le64_to_cpu(hw_stats[k]); - buf[j++] = cpr->rx_l4_csum_errors; - buf[j++] = cpr->rx_buf_errors; - buf[j++] = cpr->missed_irqs; + +skip_tpa_ring_stats: + sw = (u64 *)&cpr->sw_stats.rx; + if (is_rx_ring(bp, i)) { + for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++) + buf[j] = sw[k]; + } + + sw = (u64 *)&cpr->sw_stats.cmn; + for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++) + buf[j] = sw[k]; bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter += le64_to_cpu(cpr->hw_stats->rx_discard_pkts); @@ -632,31 +693,48 @@ static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) switch (stringset) { case ETH_SS_STATS: for (i = 0; i < bp->cp_nr_rings; i++) { - num_str = ARRAY_SIZE(bnxt_ring_stats_str); - for (j = 0; j < num_str; j++) { - sprintf(buf, "[%d]: %s", i, - bnxt_ring_stats_str[j]); - buf += ETH_GSTRING_LEN; + if (is_rx_ring(bp, i)) { + num_str = NUM_RING_RX_HW_STATS; + for (j = 0; j < num_str; j++) { + sprintf(buf, "[%d]: %s", i, + bnxt_ring_rx_stats_str[j]); + buf += ETH_GSTRING_LEN; + } } - if (!BNXT_SUPPORTS_TPA(bp)) + if (is_tx_ring(bp, i)) { + num_str = NUM_RING_TX_HW_STATS; + for (j = 0; j < num_str; j++) { + sprintf(buf, "[%d]: %s", i, + bnxt_ring_tx_stats_str[j]); + buf += ETH_GSTRING_LEN; + } + } + num_str = bnxt_get_num_tpa_ring_stats(bp); + if (!num_str || !is_rx_ring(bp, i)) goto skip_tpa_stats; - if (bp->max_tpa_v2) { - num_str = ARRAY_SIZE(bnxt_ring_tpa2_stats_str); + if (bp->max_tpa_v2) str = bnxt_ring_tpa2_stats_str; - } else { - num_str = ARRAY_SIZE(bnxt_ring_tpa_stats_str); + else str = bnxt_ring_tpa_stats_str; - } + for (j = 0; j < num_str; j++) { sprintf(buf, "[%d]: %s", i, str[j]); buf += ETH_GSTRING_LEN; } skip_tpa_stats: - num_str = ARRAY_SIZE(bnxt_ring_sw_stats_str); + if (is_rx_ring(bp, i)) { + num_str = NUM_RING_RX_SW_STATS; + for (j = 0; j < num_str; j++) { + sprintf(buf, "[%d]: %s", i, + bnxt_rx_sw_stats_str[j]); + buf += ETH_GSTRING_LEN; + } + } + num_str = NUM_RING_CMN_SW_STATS; for (j = 0; j < num_str; j++) { sprintf(buf, "[%d]: %s", i, - bnxt_ring_sw_stats_str[j]); + bnxt_cmn_sw_stats_str[j]); buf += ETH_GSTRING_LEN; } } @@ -1749,8 +1827,8 @@ static int bnxt_flash_nvram(struct net_device *dev, return rc; } -static int bnxt_firmware_reset(struct net_device *dev, - u16 dir_type) +static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type, + u8 self_reset, u8 flags) { struct hwrm_fw_reset_input req = {0}; struct bnxt *bp = netdev_priv(dev); @@ -1758,48 +1836,77 @@ static int bnxt_firmware_reset(struct net_device *dev, bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); + req.embedded_proc_type = proc_type; + req.selfrst_status = self_reset; + req.flags = flags; + + if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) { + rc = hwrm_send_message_silent(bp, &req, sizeof(req), + HWRM_CMD_TIMEOUT); + } else { + rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc == -EACCES) + bnxt_print_admin_err(bp); + } + return rc; +} + +static int bnxt_firmware_reset(struct net_device *dev, + enum bnxt_nvm_directory_type dir_type) +{ + u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE; + u8 proc_type, flags = 0; + /* 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; + 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; + self_reset = 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; + 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; + self_reset = 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; + 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; - case BNXT_FW_RESET_CHIP: - req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP; - req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP; - if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET) - req.flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL; - break; - case BNXT_FW_RESET_AP: - req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP; + proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; break; default: return -EINVAL; } - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - if (rc == -EACCES) - bnxt_print_admin_err(bp); - return rc; + return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags); +} + +static int bnxt_firmware_reset_chip(struct net_device *dev) +{ + struct bnxt *bp = netdev_priv(dev); + u8 flags = 0; + + if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET) + flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL; + + return bnxt_hwrm_firmware_reset(dev, + FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP, + FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP, + flags); +} + +static int bnxt_firmware_reset_ap(struct net_device *dev) +{ + return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP, + FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE, + 0); } static int bnxt_flash_firmware(struct net_device *dev, @@ -2975,7 +3082,11 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, static int bnxt_reset(struct net_device *dev, u32 *flags) { struct bnxt *bp = netdev_priv(dev); - int rc = 0; + bool reload = false; + u32 req = *flags; + + if (!req) + return -EINVAL; if (!BNXT_PF(bp)) { netdev_err(dev, "Reset is not supported from a VF\n"); @@ -2989,33 +3100,37 @@ static int bnxt_reset(struct net_device *dev, u32 *flags) return -EBUSY; } - if (*flags == ETH_RESET_ALL) { + if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) { /* This feature is not supported in older firmware versions */ - if (bp->hwrm_spec_code < 0x10803) - return -EOPNOTSUPP; - - rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP); - if (!rc) { - netdev_info(dev, "Reset request successful.\n"); - if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) - netdev_info(dev, "Reload driver to complete reset\n"); - *flags = 0; + if (bp->hwrm_spec_code >= 0x10803) { + if (!bnxt_firmware_reset_chip(dev)) { + netdev_info(dev, "Firmware reset request successful.\n"); + if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) + reload = true; + *flags &= ~BNXT_FW_RESET_CHIP; + } + } else if (req == BNXT_FW_RESET_CHIP) { + return -EOPNOTSUPP; /* only request, fail hard */ } - } else if (*flags == ETH_RESET_AP) { - /* This feature is not supported in older firmware versions */ - if (bp->hwrm_spec_code < 0x10803) - return -EOPNOTSUPP; + } - rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP); - if (!rc) { - netdev_info(dev, "Reset Application Processor request successful.\n"); - *flags = 0; + if (req & BNXT_FW_RESET_AP) { + /* This feature is not supported in older firmware versions */ + if (bp->hwrm_spec_code >= 0x10803) { + if (!bnxt_firmware_reset_ap(dev)) { + netdev_info(dev, "Reset application processor successful.\n"); + reload = true; + *flags &= ~BNXT_FW_RESET_AP; + } + } else if (req == BNXT_FW_RESET_AP) { + return -EOPNOTSUPP; /* only request, fail hard */ } - } else { - rc = -EINVAL; } - return rc; + if (reload) + netdev_info(dev, "Reload driver to complete reset\n"); + + return 0; } static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len, |