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virtio: Implement skb_partial_csum_set, for setting partial csums on untrusted packets.

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Use it in virtio_net (replacing buggy version there), it's also going
to be used by TAP for partial csum support.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rusty Russell
2008-02-04 23:49:54 -05:00
parent 9135f1901e
commit f35d9d8aae
3 changed files with 31 additions and 10 deletions
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include/linux/skbuff.h
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@ -1810,5 +1810,6 @@ static inline void skb_forward_csum(struct sk_buff *skb)
skb->ip_summed = CHECKSUM_NONE;
}
bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off);
#endif /* __KERNEL__ */
#endif /* _LINUX_SKBUFF_H */