sctp: add support for SCTP_DSTADDRV4/6 Information for sendmsg

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This patch is to add support for Destination IPv4/6 Address options
for sendmsg, as described in section 5.3.9/10 of RFC6458.

With this option, you can provide more than one destination addrs
to sendmsg when creating asoc, like sctp_connectx.

It's also a necessary send info for sctp_sendv.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Xin Long 2018-03-05 20:44:19 +08:00 • committed by David S. Miller

parent ed63afb8a3

commit 2c0dbaa0c4

3 changed files with 84 additions and 0 deletions

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1

include/net/sctp/structs.h

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6

include/uapi/linux/sctp.h

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77

net/sctp/socket.c

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