sctp: implement prsctp TTL policy

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prsctp TTL policy is a policy to abandon chunks when they expire
at the specific time in local stack. It's similar with expires_at
in struct sctp_datamsg.

This patch uses sinfo->sinfo_timetolive to set the specific time for
TTL policy. sinfo->sinfo_timetolive is also used for msg->expires_at.
So if prsctp_enable or TTL policy is not enabled, msg->expires_at
still works as before.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Xin Long 2016-07-09 19:47:43 +08:00 • committed by David S. Miller

parent 826d253d57

commit a6c2f79287

5 changed files with 43 additions and 5 deletions

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10

include/net/sctp/structs.h

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20

net/sctp/chunk.c

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2

net/sctp/output.c

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12

net/sctp/sm_make_chunk.c

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4

net/sctp/socket.c

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