From: Michael Chan Date: Fri, 1 Dec 2023 22:39:22 +0000 (-0800) Subject: bnxt_en: Support force speed using the new HWRM fields X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7b60cf2b641a0de8117714dd6653e19a05ab4fda;p=linux.git bnxt_en: Support force speed using the new HWRM fields Modify bnxt_force_link_speed() to support the new speeds stored in link_info->support_speeds2, including the new 400G speed. Reviewed-by: Ajit Khaparde Signed-off-by: Michael Chan Link: https://lore.kernel.org/r/20231201223924.26955-14-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 7bc0bddbb1268..0a7dd48f1da89 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -2128,6 +2128,7 @@ 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_spds2 = link_info->support_speeds2; u16 support_spds = link_info->support_speeds; u8 sig_mode = BNXT_SIG_MODE_NRZ; u32 lanes_needed = 1; @@ -2139,7 +2140,8 @@ bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB; break; case SPEED_1000: - if (support_spds & BNXT_LINK_SPEED_MSK_1GB) + if ((support_spds & BNXT_LINK_SPEED_MSK_1GB) || + (support_spds2 & BNXT_LINK_SPEEDS2_MSK_1GB)) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB; break; case SPEED_2500: @@ -2147,7 +2149,8 @@ bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB; break; case SPEED_10000: - if (support_spds & BNXT_LINK_SPEED_MSK_10GB) + if ((support_spds & BNXT_LINK_SPEED_MSK_10GB) || + (support_spds2 & BNXT_LINK_SPEEDS2_MSK_10GB)) fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB; break; case SPEED_20000: @@ -2157,26 +2160,34 @@ bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes) } break; case SPEED_25000: - if (support_spds & BNXT_LINK_SPEED_MSK_25GB) + if ((support_spds & BNXT_LINK_SPEED_MSK_25GB) || + (support_spds2 & BNXT_LINK_SPEEDS2_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) || + (support_spds2 & BNXT_LINK_SPEEDS2_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) && lanes != 1) { + if (((support_spds & BNXT_LINK_SPEED_MSK_50GB) || + (support_spds2 & BNXT_LINK_SPEEDS2_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; + } else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_50GB_PAM4) { + fw_speed = BNXT_LINK_SPEED_50GB_PAM4; + 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) || + (support_spds2 & BNXT_LINK_SPEEDS2_MSK_100GB)) && lanes != 2 && lanes != 1) { fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB; lanes_needed = 4; @@ -2184,6 +2195,14 @@ bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes) fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB; sig_mode = BNXT_SIG_MODE_PAM4; lanes_needed = 2; + } else if ((support_spds2 & BNXT_LINK_SPEEDS2_MSK_100GB_PAM4) && + lanes != 1) { + fw_speed = BNXT_LINK_SPEED_100GB_PAM4; + sig_mode = BNXT_SIG_MODE_PAM4; + lanes_needed = 2; + } else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_100GB_PAM4_112) { + fw_speed = BNXT_LINK_SPEED_100GB_PAM4_112; + sig_mode = BNXT_SIG_MODE_PAM4_112; } break; case SPEED_200000: @@ -2191,6 +2210,27 @@ bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes) fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB; sig_mode = BNXT_SIG_MODE_PAM4; lanes_needed = 4; + } else if ((support_spds2 & BNXT_LINK_SPEEDS2_MSK_200GB_PAM4) && + lanes != 2) { + fw_speed = BNXT_LINK_SPEED_200GB_PAM4; + sig_mode = BNXT_SIG_MODE_PAM4; + lanes_needed = 4; + } else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_200GB_PAM4_112) { + fw_speed = BNXT_LINK_SPEED_200GB_PAM4_112; + sig_mode = BNXT_SIG_MODE_PAM4_112; + lanes_needed = 2; + } + break; + case SPEED_400000: + if ((support_spds2 & BNXT_LINK_SPEEDS2_MSK_400GB_PAM4) && + lanes != 4) { + fw_speed = BNXT_LINK_SPEED_400GB_PAM4; + sig_mode = BNXT_SIG_MODE_PAM4; + lanes_needed = 8; + } else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_400GB_PAM4_112) { + fw_speed = BNXT_LINK_SPEED_400GB_PAM4_112; + sig_mode = BNXT_SIG_MODE_PAM4_112; + lanes_needed = 4; } break; }