diff options
| author | Achiad Shochat | 2015-08-16 15:04:49 +0200 |
|---|---|---|
| committer | David S. Miller | 2015-08-18 00:51:35 +0200 |
| commit | d9a40271cfe625950dc4ef0cbd8429c0d28e62d1 (patch) | |
| tree | 8a21278da1193082348481128748df2b94940c68 /drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | |
| parent | net/mlx5e: Support smaller RX/TX ring sizes (diff) | |
| download | kernel-qcow2-linux-d9a40271cfe625950dc4ef0cbd8429c0d28e62d1.tar.gz kernel-qcow2-linux-d9a40271cfe625950dc4ef0cbd8429c0d28e62d1.tar.xz kernel-qcow2-linux-d9a40271cfe625950dc4ef0cbd8429c0d28e62d1.zip | |
net/mlx5e: HW LRO changes/fixes
- Change the maximum LRO session size from 16KB to 64KB
- Reduce the LRO session timeout from 512us to 32us in
order to reduce the TCP latency of non-LRO'ed flows.
- Fix skb_shinfo(skb)->gso_size and set skb_shinfo(skb)->gso_type.
- Fix a bug accessing un-initialized mdev pointer.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_rx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 9a9374131f5b..9bb88f660aca 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -111,10 +111,12 @@ static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe) tcp = (struct tcphdr *)(skb->data + ETH_HLEN + sizeof(struct iphdr)); ipv6 = NULL; + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; } else { tcp = (struct tcphdr *)(skb->data + ETH_HLEN + sizeof(struct ipv6hdr)); ipv4 = NULL; + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; } if (get_cqe_lro_tcppsh(cqe)) @@ -162,7 +164,7 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe, lro_num_seg = be32_to_cpu(cqe->srqn) >> 24; if (lro_num_seg > 1) { mlx5e_lro_update_hdr(skb, cqe); - skb_shinfo(skb)->gso_size = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; + skb_shinfo(skb)->gso_size = DIV_ROUND_UP(cqe_bcnt, lro_num_seg); rq->stats.lro_packets++; rq->stats.lro_bytes += cqe_bcnt; } |