net/mlx5e: Use the correct pause values for ethtool advertising

Query the operational pause from firmware (PFCC register) instead of
always passing zeros.

Fixes: 665bc53969d7 ("net/mlx5e: Use new ethtool get/set link ksettings API")
Signed-off-by: Gal Pressman <galp@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index ce7b09d..d60e681 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -849,6 +849,8 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
        struct mlx5e_priv *priv    = netdev_priv(netdev);
        struct mlx5_core_dev *mdev = priv->mdev;
        u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
+       u32 rx_pause = 0;
+       u32 tx_pause = 0;
        u32 eth_proto_cap;
        u32 eth_proto_admin;
        u32 eth_proto_lp;
@@ -871,11 +873,13 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
        an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
        an_status        = MLX5_GET(ptys_reg, out, an_status);
 
+       mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
+
        ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
        ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 
        get_supported(eth_proto_cap, link_ksettings);
-       get_advertising(eth_proto_admin, 0, 0, link_ksettings);
+       get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings);
        get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
 
        eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;