udp: Add udp6_lib_lookup_skb and udp4_lib_lookup_skb

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Add externally visible functions to lookup a UDP socket by skb. This
will be used for GRO in UDP sockets. These functions also check
if skb->dst is set, and if it is not skb->dev is used to get dev_net.
This allows calling lookup functions before dst has been set on the
skbuff.

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

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Tom Herbert 2016-04-05 08:22:50 -07:00 • committed by David S. Miller

parent 0340d0b9e0

commit 63058308cd

3 changed files with 30 additions and 0 deletions

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include/net/udp.h

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