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net: add inline function skb_csum_is_sctp

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This patch is to define a inline function skb_csum_is_sctp(), and
also replace all places where it checks if it's a SCTP CSUM skb.
This function would be used later in many networking drivers in
the following patches.

Suggested-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Xin Long
2021-01-16 14:13:37 +08:00
committed by Jakub Kicinski
parent 7eab14de73
commit fa82117010
3 changed files with 7 additions and 2 deletions
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2
net/core/dev.c
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@@ -3617,7 +3617,7 @@ static struct sk_buff *validate_xmit_vlan(struct sk_buff *skb,
int skb_csum_hwoffload_help(struct sk_buff *skb,
const netdev_features_t features)
{
if (unlikely(skb->csum_not_inet))
if (unlikely(skb_csum_is_sctp(skb)))
return !!(features & NETIF_F_SCTP_CRC) ? 0 :
skb_crc32c_csum_help(skb);