net: Save software checksum complete

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In skb_checksum complete, if we need to compute the checksum for the
packet (via skb_checksum) save the result as CHECKSUM_COMPLETE.
Subsequent checksum verification can use this.

Also, added csum_complete_sw flag to distinguish between software and
hardware generated checksum complete, we should always be able to trust
the software computation.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Tom Herbert 2014-06-10 18:54:19 -07:00 • committed by David S. Miller

parent 5d0c2b95bc

commit 7e3cead517

4 changed files with 17 additions and 9 deletions

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3

include/linux/skbuff.h

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14

net/core/datagram.c

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6

net/ipv4/gre_offload.c

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3

net/sunrpc/socklib.c

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