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sk_buff: remove support for csum_bad in sk_buff

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This bit was introduced with commit 5a21232983 ("net: Support for
csum_bad in skbuff") to reduce the stack workload when processing RX
packets carrying a wrong Internet Checksum. Up to now, only one driver and
GRO core are setting it.

Suggested-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Davide Caratti 2017-05-18 15:44:39 +02:00 • committed by David S. Miller
parent b72b5bf6a8
commit 219f1d7987
7 changed files with 6 additions and 36 deletions
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4
include/linux/netdevice.h
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@ -2573,9 +2573,7 @@ static inline void skb_gro_incr_csum_unnecessary(struct sk_buff *skb)
if (__skb_gro_checksum_validate_needed(skb, zero_okay, check)) \
__ret = __skb_gro_checksum_validate_complete(skb, \
compute_pseudo(skb, proto)); \
if (__ret) \
__skb_mark_checksum_bad(skb); \
else \
if (!__ret) \
skb_gro_incr_csum_unnecessary(skb); \
__ret; \
})