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[NET] gso: Fix up GSO packets with broken checksums

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Certain subsystems in the stack (e.g., netfilter) can break the partial
checksum on GSO packets.  Until they're fixed, this patch allows this to
work by recomputing the partial checksums through the GSO mechanism.

Once they've all been converted to update the partial checksum instead of
clearing it, this workaround can be removed.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2006-07-08 13:34:56 -07:00 • committed by David S. Miller
parent 89114afd43
commit a430a43d08
8 changed files with 179 additions and 40 deletions
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2
include/net/protocol.h
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@ -36,6 +36,7 @@
struct net_protocol {
int (*handler)(struct sk_buff *skb);
void (*err_handler)(struct sk_buff *skb, u32 info);
int (*gso_send_check)(struct sk_buff *skb);
struct sk_buff *(*gso_segment)(struct sk_buff *skb,
int features);
int no_policy;
@ -51,6 +52,7 @@ struct inet6_protocol
int type, int code, int offset,
__u32 info);
int (*gso_send_check)(struct sk_buff *skb);
struct sk_buff *(*gso_segment)(struct sk_buff *skb,
int features);