net-next: add dev_loopback_xmit() to avoid duplicate code

Add dev_loopback_xmit() in order to deduplicate functions
ip_dev_loopback_xmit() (in net/ipv4/ip_output.c) and
ip6_dev_loopback_xmit() (in net/ipv6/ip6_output.c).

I was about to reinvent the wheel when I noticed that
ip_dev_loopback_xmit() and ip6_dev_loopback_xmit() do exactly what I
need and are not IP-only functions, but they were not available to reuse
elsewhere.

ip6_dev_loopback_xmit() does not have line "skb_dst_force(skb);", but I
understand that this is harmless, and should be in dev_loopback_xmit().

Signed-off-by: Michel Machado <[email protected]>
CC: "David S. Miller" <[email protected]>
CC: Alexey Kuznetsov <[email protected]>
CC: James Morris <[email protected]>
CC: Hideaki YOSHIFUJI <[email protected]>
CC: Patrick McHardy <[email protected]>
CC: Eric Dumazet <[email protected]>
CC: Jiri Pirko <[email protected]>
CC: "Michał Mirosław" <[email protected]>
CC: Ben Hutchings <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

0 files changed, 0 insertions, 0 deletions