From: Cong Wang <[email protected]>
[ Upstream commit ef6fcd455278c2be3032a346cc66d9dd9866b787 ]
IP header is not necessarily located right after struct ethhdr,
there could be multiple 802.1Q headers in between, this is why
we call __vlan_get_protocol().
Fixes: fe1dc069990c ("net/mlx5e: don't set CHECKSUM_COMPLETE on SCTP packets")
Cc: Alaa Hleihel <[email protected]>
Cc: Or Gerlitz <[email protected]>
Cc: Saeed Mahameed <[email protected]>
Signed-off-by: Cong Wang <[email protected]>
Reviewed-by: Tariq Toukan <[email protected]>
Acked-by: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 61eab0c55fca..8323534f075a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -725,9 +725,9 @@ static u32 mlx5e_get_fcs(const struct sk_buff *skb)
return __get_unaligned_cpu32(fcs_bytes);
}
-static u8 get_ip_proto(struct sk_buff *skb, __be16 proto)
+static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto)
{
- void *ip_p = skb->data + sizeof(struct ethhdr);
+ void *ip_p = skb->data + network_depth;
return (proto == htons(ETH_P_IP)) ? ((struct iphdr *)ip_p)->protocol :
((struct ipv6hdr *)ip_p)->nexthdr;
@@ -766,7 +766,7 @@ static inline void mlx5e_handle_csum(struct net_device
*netdev,
goto csum_unnecessary;
if (likely(is_last_ethertype_ip(skb, &network_depth, &proto))) {
- if (unlikely(get_ip_proto(skb, proto) == IPPROTO_SCTP))
+ if (unlikely(get_ip_proto(skb, network_depth, proto) ==
IPPROTO_SCTP))
goto csum_unnecessary;
skb->ip_summed = CHECKSUM_COMPLETE;
--
2.21.0
