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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>
This commit is contained in:
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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include/net/sctp/structs.h
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@@ -2113,6 +2113,7 @@ struct sctp_cmsgs {
struct sctp_sndrcvinfo *srinfo;
struct sctp_sndinfo *sinfo;
struct sctp_prinfo *prinfo;
struct msghdr *addrs_msg;
};
/* Structure for tracking memory objects */