ipv4: process socket-level control messages in IPv4

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Process socket-level control messages by invoking
__sock_cmsg_send in ip_cmsg_send for control messages on
the SOL_SOCKET layer.

This makes sure whenever ip_cmsg_send is called in udp, icmp,
and raw, we also process socket-level control messages.

Note that this commit interprets new control messages that
were ignored before. As such, this commit does not change
the behavior of IPv4 control messages.

Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Soheil Hassas Yeganeh 2016-04-02 23:08:10 -04:00 • committed by David S. Miller

parent 3dd17e63f5

commit 24025c465f

5 changed files with 13 additions and 6 deletions

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3

include/net/ip.h

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9

net/ipv4/ip_sockglue.c

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2

net/ipv4/ping.c

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2

net/ipv4/raw.c

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3

net/ipv4/udp.c

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