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sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp

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Before when implementing sctp prsctp, SCTP_PR_STREAM_STATUS wasn't
added, as it needs to save abandoned_(un)sent for every stream.

After sctp stream reconf is added in sctp, assoc has structure
sctp_stream_out to save per stream info.

This patch is to add SCTP_PR_STREAM_STATUS by putting the prsctp
per stream statistics into sctp_stream_out.

v1->v2:
  fix an indent issue.

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
2017-04-01 17:07:46 +08:00
committed by David S. Miller
parent cdccf74b95
commit d229d48d18
5 changed files with 84 additions and 2 deletions
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2
include/net/sctp/structs.h
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@@ -1315,6 +1315,8 @@ struct sctp_inithdr_host {
struct sctp_stream_out {
__u16 ssn;
__u8 state;
__u64 abandoned_unsent[SCTP_PR_INDEX(MAX) + 1];
__u64 abandoned_sent[SCTP_PR_INDEX(MAX) + 1];
};
struct sctp_stream_in {