bnxt_en: Remove 20G support and advertise only 40GbaseCR4.

Orabug: 23221795

20G is not supported by production hardware and only the 40GbaseCR4 standard
is supported.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 1c49c421f3ec446f1e0eda6d965a6cb23214d7a1)
Signed-off-by: Brian Maly <brian.maly@oracle.com>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 4b9e9b1cfe8532f5a14d57ae3feabe2fc285ec2e..cc4c84cf7bd4acb6085cb28e3489006f863f9ef9 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -513,15 +513,8 @@ static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
                speed_mask |= SUPPORTED_2500baseX_Full;
        if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
                speed_mask |= SUPPORTED_10000baseT_Full;
-       /* TODO: support 25GB, 50GB with different cable type */
-       if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
-               speed_mask |= SUPPORTED_20000baseMLD2_Full |
-                       SUPPORTED_20000baseKR2_Full;
        if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
-               speed_mask |= SUPPORTED_40000baseKR4_Full |
-                       SUPPORTED_40000baseCR4_Full |
-                       SUPPORTED_40000baseSR4_Full |
-                       SUPPORTED_40000baseLR4_Full;
+               speed_mask |= SUPPORTED_40000baseCR4_Full;
 
        return speed_mask;
 }
@@ -541,15 +534,8 @@ static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
                speed_mask |= ADVERTISED_2500baseX_Full;
        if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
                speed_mask |= ADVERTISED_10000baseT_Full;
-       /* TODO: how to advertise 20, 25, 40, 50GB with different cable type ?*/
-       if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
-               speed_mask |= ADVERTISED_20000baseMLD2_Full |
-                             ADVERTISED_20000baseKR2_Full;
        if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
-               speed_mask |= ADVERTISED_40000baseKR4_Full |
-                             ADVERTISED_40000baseCR4_Full |
-                             ADVERTISED_40000baseSR4_Full |
-                             ADVERTISED_40000baseLR4_Full;
+               speed_mask |= ADVERTISED_40000baseCR4_Full;
        return speed_mask;
 }
 
@@ -686,6 +672,9 @@ static u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
        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;
 }