diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 678 |
1 files changed, 492 insertions, 186 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 547247d98eba..f3f384773ac0 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -8,6 +8,7 @@ * the Free Software Foundation. */ +#include <linux/bitops.h> #include <linux/ctype.h> #include <linux/stringify.h> #include <linux/ethtool.h> @@ -534,6 +535,7 @@ static int bnxt_get_num_ring_stats(struct bnxt *bp) static int bnxt_get_num_stats(struct bnxt *bp) { int num_stats = bnxt_get_num_ring_stats(bp); + int len; num_stats += BNXT_NUM_RING_ERR_STATS; @@ -541,8 +543,12 @@ static int bnxt_get_num_stats(struct bnxt *bp) num_stats += BNXT_NUM_PORT_STATS; if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) { - num_stats += bp->fw_rx_stats_ext_size + - bp->fw_tx_stats_ext_size; + len = min_t(int, bp->fw_rx_stats_ext_size, + ARRAY_SIZE(bnxt_port_stats_ext_arr)); + num_stats += len; + len = min_t(int, bp->fw_tx_stats_ext_size, + ARRAY_SIZE(bnxt_tx_port_stats_ext_arr)); + num_stats += len; if (bp->pri2cos_valid) num_stats += BNXT_NUM_STATS_PRI; } @@ -652,12 +658,17 @@ skip_ring_stats: if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) { u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats; u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats; + u32 len; - for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) { + len = min_t(u32, bp->fw_rx_stats_ext_size, + ARRAY_SIZE(bnxt_port_stats_ext_arr)); + for (i = 0; i < len; i++, j++) { buf[j] = *(rx_port_stats_ext + bnxt_port_stats_ext_arr[i].offset); } - for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) { + len = min_t(u32, bp->fw_tx_stats_ext_size, + ARRAY_SIZE(bnxt_tx_port_stats_ext_arr)); + for (i = 0; i < len; i++, j++) { buf[j] = *(tx_port_stats_ext + bnxt_tx_port_stats_ext_arr[i].offset); } @@ -756,11 +767,17 @@ skip_tpa_stats: } } if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) { - for (i = 0; i < bp->fw_rx_stats_ext_size; i++) { + u32 len; + + len = min_t(u32, bp->fw_rx_stats_ext_size, + ARRAY_SIZE(bnxt_port_stats_ext_arr)); + for (i = 0; i < len; i++) { strcpy(buf, bnxt_port_stats_ext_arr[i].string); buf += ETH_GSTRING_LEN; } - for (i = 0; i < bp->fw_tx_stats_ext_size; i++) { + len = min_t(u32, bp->fw_tx_stats_ext_size, + ARRAY_SIZE(bnxt_tx_port_stats_ext_arr)); + for (i = 0; i < len; i++) { strcpy(buf, bnxt_tx_port_stats_ext_arr[i].string); buf += ETH_GSTRING_LEN; @@ -1506,94 +1523,388 @@ u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_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_speeds) & BNXT_LINK_SPEED_MSK_100GB) \ - ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ - 100000baseCR4_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); \ - } \ +enum bnxt_media_type { + BNXT_MEDIA_UNKNOWN = 0, + BNXT_MEDIA_TP, + BNXT_MEDIA_CR, + BNXT_MEDIA_SR, + BNXT_MEDIA_LR_ER_FR, + BNXT_MEDIA_KR, + BNXT_MEDIA_KX, + BNXT_MEDIA_X, + __BNXT_MEDIA_END, +}; + +static const enum bnxt_media_type bnxt_phy_types[] = { + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASECR] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASEKR4] = BNXT_MEDIA_KR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASELR] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASESR] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASEKR2] = BNXT_MEDIA_KR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASEKX] = BNXT_MEDIA_KX, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASEKR] = BNXT_MEDIA_KR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASET] = BNXT_MEDIA_TP, + [PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE] = BNXT_MEDIA_TP, + [PORT_PHY_QCFG_RESP_PHY_TYPE_25G_BASECR_CA_L] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_25G_BASECR_CA_S] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_25G_BASECR_CA_N] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_25G_BASESR] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASECR4] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASESR4] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASELR4] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASEER4] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASESR10] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_40G_BASECR4] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_40G_BASESR4] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_40G_BASELR4] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_40G_BASEER4] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_40G_ACTIVE_CABLE] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_1G_BASET] = BNXT_MEDIA_TP, + [PORT_PHY_QCFG_RESP_PHY_TYPE_1G_BASESX] = BNXT_MEDIA_X, + [PORT_PHY_QCFG_RESP_PHY_TYPE_1G_BASECX] = BNXT_MEDIA_X, + [PORT_PHY_QCFG_RESP_PHY_TYPE_200G_BASECR4] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_200G_BASESR4] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_200G_BASELR4] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_200G_BASEER4] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_50G_BASECR] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_50G_BASESR] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_50G_BASELR] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_50G_BASEER] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASECR2] = BNXT_MEDIA_CR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASESR2] = BNXT_MEDIA_SR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASELR2] = BNXT_MEDIA_LR_ER_FR, + [PORT_PHY_QCFG_RESP_PHY_TYPE_100G_BASEER2] = BNXT_MEDIA_LR_ER_FR, +}; + +static enum bnxt_media_type +bnxt_get_media(struct bnxt_link_info *link_info) +{ + switch (link_info->media_type) { + case PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP: + return BNXT_MEDIA_TP; + case PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC: + return BNXT_MEDIA_CR; + default: + if (link_info->phy_type < ARRAY_SIZE(bnxt_phy_types)) + return bnxt_phy_types[link_info->phy_type]; + return BNXT_MEDIA_UNKNOWN; + } +} + +enum bnxt_link_speed_indices { + BNXT_LINK_SPEED_UNKNOWN = 0, + BNXT_LINK_SPEED_100MB_IDX, + BNXT_LINK_SPEED_1GB_IDX, + BNXT_LINK_SPEED_10GB_IDX, + BNXT_LINK_SPEED_25GB_IDX, + BNXT_LINK_SPEED_40GB_IDX, + BNXT_LINK_SPEED_50GB_IDX, + BNXT_LINK_SPEED_100GB_IDX, + BNXT_LINK_SPEED_200GB_IDX, + __BNXT_LINK_SPEED_END +}; + +static enum bnxt_link_speed_indices bnxt_fw_speed_idx(u16 speed) +{ + switch (speed) { + case BNXT_LINK_SPEED_100MB: return BNXT_LINK_SPEED_100MB_IDX; + case BNXT_LINK_SPEED_1GB: return BNXT_LINK_SPEED_1GB_IDX; + case BNXT_LINK_SPEED_10GB: return BNXT_LINK_SPEED_10GB_IDX; + case BNXT_LINK_SPEED_25GB: return BNXT_LINK_SPEED_25GB_IDX; + case BNXT_LINK_SPEED_40GB: return BNXT_LINK_SPEED_40GB_IDX; + case BNXT_LINK_SPEED_50GB: return BNXT_LINK_SPEED_50GB_IDX; + case BNXT_LINK_SPEED_100GB: return BNXT_LINK_SPEED_100GB_IDX; + case BNXT_LINK_SPEED_200GB: return BNXT_LINK_SPEED_200GB_IDX; + default: return BNXT_LINK_SPEED_UNKNOWN; + } +} + +static const enum ethtool_link_mode_bit_indices +bnxt_link_modes[__BNXT_LINK_SPEED_END][BNXT_SIG_MODE_MAX][__BNXT_MEDIA_END] = { + [BNXT_LINK_SPEED_100MB_IDX] = { + { + [BNXT_MEDIA_TP] = ETHTOOL_LINK_MODE_100baseT_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_1GB_IDX] = { + { + [BNXT_MEDIA_TP] = ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + /* historically baseT, but DAC is more correctly baseX */ + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_1000baseX_Full_BIT, + [BNXT_MEDIA_KX] = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + [BNXT_MEDIA_X] = ETHTOOL_LINK_MODE_1000baseX_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_10GB_IDX] = { + { + [BNXT_MEDIA_TP] = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, + [BNXT_MEDIA_LR_ER_FR] = ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + [BNXT_MEDIA_KX] = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_25GB_IDX] = { + { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_40GB_IDX] = { + { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, + [BNXT_MEDIA_LR_ER_FR] = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_50GB_IDX] = { + [BNXT_SIG_MODE_NRZ] = { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, + }, + [BNXT_SIG_MODE_PAM4] = { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_50000baseCR_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_50000baseSR_Full_BIT, + [BNXT_MEDIA_LR_ER_FR] = ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_50000baseKR_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_100GB_IDX] = { + [BNXT_SIG_MODE_NRZ] = { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, + [BNXT_MEDIA_LR_ER_FR] = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, + }, + [BNXT_SIG_MODE_PAM4] = { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, + [BNXT_MEDIA_LR_ER_FR] = ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, + }, + }, + [BNXT_LINK_SPEED_200GB_IDX] = { + [BNXT_SIG_MODE_PAM4] = { + [BNXT_MEDIA_CR] = ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, + [BNXT_MEDIA_SR] = ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, + [BNXT_MEDIA_LR_ER_FR] = ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, + [BNXT_MEDIA_KR] = ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, + }, + }, +}; + +#define BNXT_LINK_MODE_UNKNOWN -1 + +static enum ethtool_link_mode_bit_indices +bnxt_get_link_mode(struct bnxt_link_info *link_info) +{ + enum ethtool_link_mode_bit_indices link_mode; + enum bnxt_link_speed_indices speed; + enum bnxt_media_type media; + u8 sig_mode; + + if (link_info->phy_link_status != BNXT_LINK_LINK) + return BNXT_LINK_MODE_UNKNOWN; + + media = bnxt_get_media(link_info); + if (BNXT_AUTO_MODE(link_info->auto_mode)) { + speed = bnxt_fw_speed_idx(link_info->link_speed); + sig_mode = link_info->active_fec_sig_mode & + PORT_PHY_QCFG_RESP_SIGNAL_MODE_MASK; + } else { + speed = bnxt_fw_speed_idx(link_info->req_link_speed); + sig_mode = link_info->req_signal_mode; + } + if (sig_mode >= BNXT_SIG_MODE_MAX) + return BNXT_LINK_MODE_UNKNOWN; + + /* Note ETHTOOL_LINK_MODE_10baseT_Half_BIT == 0 is a legal Linux + * link mode, but since no such devices exist, the zeroes in the + * map can be conveniently used to represent unknown link modes. + */ + link_mode = bnxt_link_modes[speed][sig_mode][media]; + if (!link_mode) + return BNXT_LINK_MODE_UNKNOWN; + + switch (link_mode) { + case ETHTOOL_LINK_MODE_100baseT_Full_BIT: + if (~link_info->duplex & BNXT_LINK_DUPLEX_FULL) + link_mode = ETHTOOL_LINK_MODE_100baseT_Half_BIT; + break; + case ETHTOOL_LINK_MODE_1000baseT_Full_BIT: + if (~link_info->duplex & BNXT_LINK_DUPLEX_FULL) + link_mode = ETHTOOL_LINK_MODE_1000baseT_Half_BIT; + break; + default: + break; + } + + return link_mode; +} + +static void bnxt_get_ethtool_modes(struct bnxt_link_info *link_info, + struct ethtool_link_ksettings *lk_ksettings) +{ + struct bnxt *bp = container_of(link_info, struct bnxt, link_info); + + if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) { + linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, + lk_ksettings->link_modes.supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, + lk_ksettings->link_modes.supported); + } + + if (link_info->support_auto_speeds || link_info->support_pam4_auto_speeds) + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + lk_ksettings->link_modes.supported); + + if (~link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) + return; + + if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_RX) + linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, + lk_ksettings->link_modes.advertising); + if (hweight8(link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) == 1) + linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, + lk_ksettings->link_modes.advertising); + if (link_info->lp_pause & BNXT_LINK_PAUSE_RX) + linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, + lk_ksettings->link_modes.lp_advertising); + if (hweight8(link_info->lp_pause & BNXT_LINK_PAUSE_BOTH) == 1) + linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, + lk_ksettings->link_modes.lp_advertising); } -#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; \ - if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ - 100000baseCR4_Full)) \ - (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \ +static const u16 bnxt_nrz_speed_masks[] = { + [BNXT_LINK_SPEED_100MB_IDX] = BNXT_LINK_SPEED_MSK_100MB, + [BNXT_LINK_SPEED_1GB_IDX] = BNXT_LINK_SPEED_MSK_1GB, + [BNXT_LINK_SPEED_10GB_IDX] = BNXT_LINK_SPEED_MSK_10GB, + [BNXT_LINK_SPEED_25GB_IDX] = BNXT_LINK_SPEED_MSK_25GB, + [BNXT_LINK_SPEED_40GB_IDX] = BNXT_LINK_SPEED_MSK_40GB, + [BNXT_LINK_SPEED_50GB_IDX] = BNXT_LINK_SPEED_MSK_50GB, + [BNXT_LINK_SPEED_100GB_IDX] = BNXT_LINK_SPEED_MSK_100GB, + [__BNXT_LINK_SPEED_END - 1] = 0 /* make any legal speed a valid index */ +}; + +static const u16 bnxt_pam4_speed_masks[] = { + [BNXT_LINK_SPEED_50GB_IDX] = BNXT_LINK_PAM4_SPEED_MSK_50GB, + [BNXT_LINK_SPEED_100GB_IDX] = BNXT_LINK_PAM4_SPEED_MSK_100GB, + [BNXT_LINK_SPEED_200GB_IDX] = BNXT_LINK_PAM4_SPEED_MSK_200GB, +}; + +static enum bnxt_link_speed_indices +bnxt_encoding_speed_idx(u8 sig_mode, u16 speed_msk) +{ + const u16 *speeds; + int idx, len; + + switch (sig_mode) { + case BNXT_SIG_MODE_NRZ: + speeds = bnxt_nrz_speed_masks; + len = ARRAY_SIZE(bnxt_nrz_speed_masks); + break; + case BNXT_SIG_MODE_PAM4: + speeds = bnxt_pam4_speed_masks; + len = ARRAY_SIZE(bnxt_pam4_speed_masks); + break; + default: + return BNXT_LINK_SPEED_UNKNOWN; + } + + for (idx = 0; idx < len; idx++) { + if (speeds[idx] == speed_msk) + return idx; + } + + return BNXT_LINK_SPEED_UNKNOWN; } -#define BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, name) \ -{ \ - if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_50GB) \ - ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ - 50000baseCR_Full); \ - if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_100GB) \ - ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ - 100000baseCR2_Full);\ - if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_200GB) \ - ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ - 200000baseCR4_Full);\ +#define BNXT_FW_SPEED_MSK_BITS 16 + +static void +__bnxt_get_ethtool_speeds(unsigned long fw_mask, enum bnxt_media_type media, + u8 sig_mode, unsigned long *et_mask) +{ + enum ethtool_link_mode_bit_indices link_mode; + enum bnxt_link_speed_indices speed; + u8 bit; + + for_each_set_bit(bit, &fw_mask, BNXT_FW_SPEED_MSK_BITS) { + speed = bnxt_encoding_speed_idx(sig_mode, 1 << bit); + if (!speed) + continue; + + link_mode = bnxt_link_modes[speed][sig_mode][media]; + if (!link_mode) + continue; + + linkmode_set_bit(link_mode, et_mask); + } } -#define BNXT_ETHTOOL_TO_FW_PAM4_SPDS(fw_speeds, lk_ksettings, name) \ -{ \ - if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ - 50000baseCR_Full)) \ - (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_50GB; \ - if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ - 100000baseCR2_Full)) \ - (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_100GB; \ - if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ - 200000baseCR4_Full)) \ - (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_200GB; \ +static void +bnxt_get_ethtool_speeds(unsigned long fw_mask, enum bnxt_media_type media, + u8 sig_mode, unsigned long *et_mask) +{ + if (media) { + __bnxt_get_ethtool_speeds(fw_mask, media, sig_mode, et_mask); + return; + } + + /* list speeds for all media if unknown */ + for (media = 1; media < __BNXT_MEDIA_END; media++) + __bnxt_get_ethtool_speeds(fw_mask, media, sig_mode, et_mask); +} + +static void bnxt_update_speed(u32 *delta, bool installed_media, u16 *speeds, + u16 speed_msk, const unsigned long *et_mask, + enum ethtool_link_mode_bit_indices mode) +{ + bool mode_desired = linkmode_test_bit(mode, et_mask); + + if (!mode) + return; + + /* enabled speeds for installed media should override */ + if (installed_media && mode_desired) { + *speeds |= speed_msk; + *delta |= speed_msk; + return; + } + + /* many to one mapping, only allow one change per fw_speed bit */ + if (!(*delta & speed_msk) && (mode_desired == !(*speeds & speed_msk))) { + *speeds ^= speed_msk; + *delta |= speed_msk; + } +} + +static void bnxt_set_ethtool_speeds(struct bnxt_link_info *link_info, + const unsigned long *et_mask) +{ + enum bnxt_media_type media = bnxt_get_media(link_info); + u32 delta_pam4 = 0; + u32 delta_nrz = 0; + int i, m; + + for (i = 1; i < __BNXT_LINK_SPEED_END; i++) { + /* accept any legal media from user */ + for (m = 1; m < __BNXT_MEDIA_END; m++) { + bnxt_update_speed(&delta_nrz, m == media, + &link_info->advertising, + bnxt_nrz_speed_masks[i], et_mask, + bnxt_link_modes[i][BNXT_SIG_MODE_NRZ][m]); + bnxt_update_speed(&delta_pam4, m == media, + &link_info->advertising_pam4, + bnxt_pam4_speed_masks[i], et_mask, + bnxt_link_modes[i][BNXT_SIG_MODE_PAM4][m]); + } + } } static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info, @@ -1617,36 +1928,6 @@ static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info, lk_ksettings->link_modes.advertising); } -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->advertising; - 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); - fw_speeds = link_info->advertising_pam4; - BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, advertising); - bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings); -} - -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); - fw_speeds = link_info->lp_auto_pam4_link_speeds; - BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, lp_advertising); -} - static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info, struct ethtool_link_ksettings *lk_ksettings) { @@ -1668,30 +1949,6 @@ static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info, lk_ksettings->link_modes.supported); } -static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, - struct ethtool_link_ksettings *lk_ksettings) -{ - struct bnxt *bp = container_of(link_info, struct bnxt, link_info); - u16 fw_speeds = link_info->support_speeds; - - BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); - fw_speeds = link_info->support_pam4_speeds; - BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, supported); - - if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) { - 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 || - link_info->support_pam4_auto_speeds) - ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, - Autoneg); - bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings); -} - u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) { switch (fw_link_speed) { @@ -1720,60 +1977,95 @@ u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) } } +static void bnxt_get_default_speeds(struct ethtool_link_ksettings *lk_ksettings, + struct bnxt_link_info *link_info) +{ + struct ethtool_link_settings *base = &lk_ksettings->base; + + if (link_info->link_state == BNXT_LINK_STATE_UP) { + base->speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); + base->duplex = DUPLEX_HALF; + if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) + base->duplex = DUPLEX_FULL; + } else if (!link_info->autoneg) { + base->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; + } +} + 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; + enum ethtool_link_mode_bit_indices link_mode; + struct bnxt *bp = netdev_priv(dev); + struct bnxt_link_info *link_info; + enum bnxt_media_type media; + ethtool_link_ksettings_zero_link_mode(lk_ksettings, lp_advertising); + ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); + base->duplex = DUPLEX_UNKNOWN; + base->speed = SPEED_UNKNOWN; + link_info = &bp->link_info; + mutex_lock(&bp->link_lock); - bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); + bnxt_get_ethtool_modes(link_info, lk_ksettings); + media = bnxt_get_media(link_info); + bnxt_get_ethtool_speeds(link_info->support_speeds, + media, BNXT_SIG_MODE_NRZ, + lk_ksettings->link_modes.supported); + bnxt_get_ethtool_speeds(link_info->support_pam4_speeds, + media, BNXT_SIG_MODE_PAM4, + lk_ksettings->link_modes.supported); + bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings); + link_mode = bnxt_get_link_mode(link_info); + if (link_mode != BNXT_LINK_MODE_UNKNOWN) + ethtool_params_from_link_mode(lk_ksettings, link_mode); + else + bnxt_get_default_speeds(lk_ksettings, link_info); - 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); + bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings); + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + lk_ksettings->link_modes.advertising); base->autoneg = AUTONEG_ENABLE; - base->duplex = DUPLEX_UNKNOWN; + bnxt_get_ethtool_speeds(link_info->advertising, + media, BNXT_SIG_MODE_NRZ, + lk_ksettings->link_modes.advertising); + bnxt_get_ethtool_speeds(link_info->advertising_pam4, + media, BNXT_SIG_MODE_PAM4, + lk_ksettings->link_modes.advertising); if (link_info->phy_link_status == BNXT_LINK_LINK) { - bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); - if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) - base->duplex = DUPLEX_FULL; - else - base->duplex = DUPLEX_HALF; + bnxt_get_ethtool_speeds(link_info->lp_auto_link_speeds, + media, BNXT_SIG_MODE_NRZ, + lk_ksettings->link_modes.lp_advertising); + bnxt_get_ethtool_speeds(link_info->lp_auto_pam4_link_speeds, + media, BNXT_SIG_MODE_PAM4, + lk_ksettings->link_modes.lp_advertising); } - ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); } 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); + linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, + lk_ksettings->link_modes.supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, + lk_ksettings->link_modes.advertising); } else { - ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, - FIBRE); - ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, - FIBRE); + linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + lk_ksettings->link_modes.supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + lk_ksettings->link_modes.advertising); 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) + else base->port = PORT_FIBRE; } base->phy_address = link_info->phy_addr; @@ -1782,13 +2074,15 @@ static int bnxt_get_link_ksettings(struct net_device *dev, return 0; } -static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed) +static int +bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes) { struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; u16 support_pam4_spds = link_info->support_pam4_speeds; u16 support_spds = link_info->support_speeds; u8 sig_mode = BNXT_SIG_MODE_NRZ; + u32 lanes_needed = 1; u16 fw_speed = 0; switch (ethtool_speed) { @@ -1809,37 +2103,46 @@ static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB; break; case SPEED_20000: - if (support_spds & BNXT_LINK_SPEED_MSK_20GB) + if (support_spds & BNXT_LINK_SPEED_MSK_20GB) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_20GB; + lanes_needed = 2; + } break; case SPEED_25000: if (support_spds & BNXT_LINK_SPEED_MSK_25GB) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB; break; case SPEED_40000: - if (support_spds & BNXT_LINK_SPEED_MSK_40GB) + if (support_spds & BNXT_LINK_SPEED_MSK_40GB) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB; + lanes_needed = 4; + } break; case SPEED_50000: - if (support_spds & BNXT_LINK_SPEED_MSK_50GB) { + if ((support_spds & BNXT_LINK_SPEED_MSK_50GB) && lanes != 1) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB; + lanes_needed = 2; } else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) { fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB; sig_mode = BNXT_SIG_MODE_PAM4; } break; case SPEED_100000: - if (support_spds & BNXT_LINK_SPEED_MSK_100GB) { + if ((support_spds & BNXT_LINK_SPEED_MSK_100GB) && + lanes != 2 && lanes != 1) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB; + lanes_needed = 4; } else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_100GB) { fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB; sig_mode = BNXT_SIG_MODE_PAM4; + lanes_needed = 2; } break; case SPEED_200000: if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_200GB) { fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB; sig_mode = BNXT_SIG_MODE_PAM4; + lanes_needed = 4; } break; } @@ -1849,6 +2152,11 @@ static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed) return -EINVAL; } + if (lanes && lanes != lanes_needed) { + netdev_err(dev, "unsupported number of lanes for speed\n"); + return -EINVAL; + } + if (link_info->req_link_speed == fw_speed && link_info->req_signal_mode == sig_mode && link_info->autoneg == 0) @@ -1893,7 +2201,7 @@ static int bnxt_set_link_ksettings(struct net_device *dev, struct bnxt_link_info *link_info = &bp->link_info; const struct ethtool_link_settings *base = &lk_ksettings->base; bool set_pause = false; - u32 speed; + u32 speed, lanes = 0; int rc = 0; if (!BNXT_PHY_CFG_ABLE(bp)) @@ -1901,12 +2209,8 @@ static int bnxt_set_link_ksettings(struct net_device *dev, mutex_lock(&bp->link_lock); if (base->autoneg == AUTONEG_ENABLE) { - link_info->advertising = 0; - link_info->advertising_pam4 = 0; - BNXT_ETHTOOL_TO_FW_SPDS(link_info->advertising, lk_ksettings, - advertising); - BNXT_ETHTOOL_TO_FW_PAM4_SPDS(link_info->advertising_pam4, - lk_ksettings, advertising); + bnxt_set_ethtool_speeds(link_info, + lk_ksettings->link_modes.advertising); link_info->autoneg |= BNXT_AUTONEG_SPEED; if (!link_info->advertising && !link_info->advertising_pam4) { link_info->advertising = link_info->support_auto_speeds; @@ -1934,7 +2238,8 @@ static int bnxt_set_link_ksettings(struct net_device *dev, goto set_setting_exit; } speed = base->speed; - rc = bnxt_force_link_speed(dev, speed); + lanes = lk_ksettings->lanes; + rc = bnxt_force_link_speed(dev, speed, lanes); if (rc) { if (rc == -EALREADY) rc = 0; @@ -4140,6 +4445,7 @@ void bnxt_ethtool_free(struct bnxt *bp) } const struct ethtool_ops bnxt_ethtool_ops = { + .cap_link_lanes_supported = 1, .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES | ETHTOOL_COALESCE_USECS_IRQ | |