[NETFILTER]: Add address family specific checksum helpers
authorPatrick McHardy <kaber@trash.net>
Thu, 6 Apr 2006 21:18:43 +0000 (14:18 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Mon, 10 Apr 2006 05:25:41 +0000 (22:25 -0700)
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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