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authorMoshe Shemesh <moshe@mellanox.com>2020-12-09 16:03:39 +0300
committerDavid S. Miller <davem@davemloft.net>2020-12-10 03:44:35 +0300
commitba603d9d7b1215c72513d7c7aa02b6775fd4891b (patch)
tree38a412511fb4bde057c1bd7ecd70177abfc09cb6 /drivers/net/ethernet/mellanox/mlx4/en_netdev.c
parentfed91613c9dd455dd154b22fa8e11b8526466082 (diff)
downloadlinux-ba603d9d7b1215c72513d7c7aa02b6775fd4891b.tar.xz
net/mlx4_en: Handle TX error CQE
In case error CQE was found while polling TX CQ, the QP is in error state and all posted WQEs will generate error CQEs without any data transmitted. Fix it by reopening the channels, via same method used for TX timeout handling. In addition add some more info on error CQE and WQE for debug. Fixes: bd2f631d7c60 ("net/mlx4_en: Notify user when TX ring in error state") Signed-off-by: Moshe Shemesh <moshe@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_netdev.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 1a2b0bd64aa9..6f290319b617 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1735,6 +1735,7 @@ int mlx4_en_start_port(struct net_device *dev)
mlx4_en_deactivate_cq(priv, cq);
goto tx_err;
}
+ clear_bit(MLX4_EN_TX_RING_STATE_RECOVERING, &tx_ring->state);
if (t != TX_XDP) {
tx_ring->tx_queue = netdev_get_tx_queue(dev, i);
tx_ring->recycle_ring = NULL;