From: Eric Dumazet Date: Thu, 2 Jul 2015 11:24:44 +0000 (+0200) Subject: mlx4: TCP/UDP packets have L4 hash X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0a6d4245691173eb953c440b8c6fc0b1688e6b25;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git mlx4: TCP/UDP packets have L4 hash Mellanox driver has the knowledge if rxhash is a L4 hash, if it receives a non fragmented TCP or UDP frame and NETIF_F_RXCSUM is enabled on netdev. ip_summed value is CHECKSUM_UNNECESSARY in this case. Signed-off-by: Eric Dumazet Cc: Amir Vadai Cc: Ido Shamay Acked-by: Ido Shamay Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 7a4f20bb7fcb..12c65e1ad6a9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -917,7 +917,9 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud if (dev->features & NETIF_F_RXHASH) skb_set_hash(gro_skb, be32_to_cpu(cqe->immed_rss_invalid), - PKT_HASH_TYPE_L3); + (ip_summed == CHECKSUM_UNNECESSARY) ? + PKT_HASH_TYPE_L4 : + PKT_HASH_TYPE_L3); skb_record_rx_queue(gro_skb, cq->ring); skb_mark_napi_id(gro_skb, &cq->napi); @@ -963,7 +965,9 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud if (dev->features & NETIF_F_RXHASH) skb_set_hash(skb, be32_to_cpu(cqe->immed_rss_invalid), - PKT_HASH_TYPE_L3); + (ip_summed == CHECKSUM_UNNECESSARY) ? + PKT_HASH_TYPE_L4 : + PKT_HASH_TYPE_L3); if ((be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_VLAN_PRESENT_MASK) &&