[NETFILTER]: Add address family specific checksum helpers

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Add checksum operation which takes care of verifying the checksum and
dealing with HW checksum errors and avoids multiple checksum
operations by setting ip_summed to CHECKSUM_UNNECESSARY after
successful verification.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Patrick McHardy 2006-04-06 14:18:43 -07:00 • committed by David S. Miller

parent bce8032ef3

commit 422c346fad

5 changed files with 89 additions and 0 deletions

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17

include/linux/netfilter.h

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2

include/linux/netfilter_ipv4.h

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3

include/linux/netfilter_ipv6.h

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