diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 71 |
1 files changed, 63 insertions, 8 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index ad6a5967ac21..2cb2495c2351 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1507,6 +1507,32 @@ u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \ } +#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_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_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, struct ethtool_link_ksettings *lk_ksettings) { @@ -1517,6 +1543,8 @@ static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 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); } static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, @@ -1530,6 +1558,8 @@ static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 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_spds(struct bnxt_link_info *link_info, @@ -1538,12 +1568,15 @@ static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *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); 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) + if (link_info->support_auto_speeds || + link_info->support_pam4_auto_speeds) ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Autoneg); } @@ -1640,7 +1673,9 @@ static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed) { 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; u16 fw_speed = 0; switch (ethtool_speed) { @@ -1673,12 +1708,26 @@ static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB; break; case SPEED_50000: - if (support_spds & BNXT_LINK_SPEED_MSK_50GB) + if (support_spds & BNXT_LINK_SPEED_MSK_50GB) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB; + } 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) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB; + } 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; + } + 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; + } break; } @@ -1688,9 +1737,11 @@ static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed) } link_info->req_link_speed = fw_speed; + link_info->req_signal_mode = sig_mode; link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; link_info->autoneg = 0; link_info->advertising = 0; + link_info->advertising_pam4 = 0; return 0; } @@ -1724,7 +1775,6 @@ 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; - u16 fw_advertising = 0; u32 speed; int rc = 0; @@ -1733,13 +1783,18 @@ static int bnxt_set_link_ksettings(struct net_device *dev, mutex_lock(&bp->link_lock); if (base->autoneg == AUTONEG_ENABLE) { - BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, + 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); link_info->autoneg |= BNXT_AUTONEG_SPEED; - if (!fw_advertising) + if (!link_info->advertising && !link_info->advertising_pam4) { link_info->advertising = link_info->support_auto_speeds; - else - link_info->advertising = fw_advertising; + link_info->advertising_pam4 = + link_info->support_pam4_auto_speeds; + } /* any change to autoneg will cause link change, therefore the * driver should put back the original pause setting in autoneg */ |