github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 19:13:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net/mlx5e: Rx, checksum handling refactoring

Browse Source 
Move vlan checksum fixup flow into mlx5e_skb_padding_csum(), which is
supposed to fixup SKB checksum if needed. And rename
mlx5e_skb_padding_csum() to mlx5e_skb_csum_fixup().

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Saeed Mahameed 2019-05-03 15:12:46 -07:00
parent b431302e92
commit 8c7698d5ca
1 changed files with 14 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View File

@ -859,13 +859,24 @@ tail_padding_csum(struct sk_buff *skb, int offset,
}
static void
mlx5e_skb_padding_csum(struct sk_buff *skb, int network_depth, __be16 proto,
struct mlx5e_rq_stats *stats)
mlx5e_skb_csum_fixup(struct sk_buff *skb, int network_depth, __be16 proto,
struct mlx5e_rq_stats *stats)
{
struct ipv6hdr *ip6;
struct iphdr *ip4;
int pkt_len;
/* Fixup vlan headers, if any */
if (network_depth > ETH_HLEN)
/* CQE csum is calculated from the IP header and does
* not cover VLAN headers (if present). This will add
* the checksum manually.
*/
skb->csum = csum_partial(skb->data + ETH_HLEN,
network_depth - ETH_HLEN,
skb->csum);
/* Fixup tail padding, if any */
switch (proto) {
case htons(ETH_P_IP):
ip4 = (struct iphdr *)(skb->data + network_depth);
@ -931,16 +942,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
return; /* CQE csum covers all received bytes */
/* csum might need some fixups ...*/
if (network_depth > ETH_HLEN)
/* CQE csum is calculated from the IP header and does
* not cover VLAN headers (if present). This will add
* the checksum manually.
*/
skb->csum = csum_partial(skb->data + ETH_HLEN,
network_depth - ETH_HLEN,
skb->csum);
mlx5e_skb_padding_csum(skb, network_depth, proto, stats);
mlx5e_skb_csum_fixup(skb, network_depth, proto, stats);
return;
}