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author | James Morris <james.l.morris@oracle.com> | 2014-10-01 00:44:04 +1000 |
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committer | James Morris <james.l.morris@oracle.com> | 2014-10-01 00:44:04 +1000 |
commit | 6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1 (patch) | |
tree | 2ab49b7d19fb69cdae5b6be9e7ba44f6cf3d45ef /drivers/net/ethernet/mellanox/mlx4/en_tx.c | |
parent | 35e1efd25a9e7d5cf2884fa23441ab87353849bb (diff) | |
parent | 19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff) | |
download | linux-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.tar.gz linux-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.tar.bz2 linux-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.zip |
Merge commit 'v3.16' into next
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_tx.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_tx.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8be7483f8236..5045bab59633 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -351,9 +351,8 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring) return cnt; } -static int mlx4_en_process_tx_cq(struct net_device *dev, - struct mlx4_en_cq *cq, - int budget) +static bool mlx4_en_process_tx_cq(struct net_device *dev, + struct mlx4_en_cq *cq) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_cq *mcq = &cq->mcq; @@ -372,9 +371,10 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, int factor = priv->cqe_factor; u64 timestamp = 0; int done = 0; + int budget = priv->tx_work_limit; if (!priv->port_up) - return 0; + return true; index = cons_index & size_mask; cqe = &buf[(index << factor) + factor]; @@ -447,7 +447,7 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, netif_tx_wake_queue(ring->tx_queue); ring->wake_queue++; } - return done; + return done < budget; } void mlx4_en_tx_irq(struct mlx4_cq *mcq) @@ -467,24 +467,16 @@ int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget) struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); struct net_device *dev = cq->dev; struct mlx4_en_priv *priv = netdev_priv(dev); - int done; + int clean_complete; - done = mlx4_en_process_tx_cq(dev, cq, budget); + clean_complete = mlx4_en_process_tx_cq(dev, cq); + if (!clean_complete) + return budget; - /* If we used up all the quota - we're probably not done yet... */ - if (done < budget) { - /* Done for now */ - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return done; - } else if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return 0; - } - return budget; + napi_complete(napi); + mlx4_en_arm_cq(priv, cq); + + return 0; } static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv, |