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sctp: get pr_assoc and pr_stream all status with SCTP_PR_SCTP_ALL instead

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According to rfc7496 section 4.3 or 4.4:

   sprstat_policy:  This parameter indicates for which PR-SCTP policy
      the user wants the information.  It is an error to use
      SCTP_PR_SCTP_NONE in sprstat_policy.  If SCTP_PR_SCTP_ALL is used,
      the counters provided are aggregated over all supported policies.

We change to dump pr_assoc and pr_stream all status by SCTP_PR_SCTP_ALL
instead, and return error for SCTP_PR_SCTP_NONE, as it also said "It is
an error to use SCTP_PR_SCTP_NONE in sprstat_policy. "

Fixes: 826d253d57 ("sctp: add SCTP_PR_ASSOC_STATUS on sctp sockopt")
Fixes: d229d48d18 ("sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp")
Reported-by: Ying Xu <yinxu@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2018-10-16 15:52:02 +08:00
committed by David S. Miller
parent bd8be2cf8b
commit 0ac1077e3a
2 changed files with 5 additions and 4 deletions
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1
include/uapi/linux/sctp.h
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@@ -301,6 +301,7 @@ enum sctp_sinfo_flags {
SCTP_SACK_IMMEDIATELY = (1 << 3), /* SACK should be sent without delay. */
/* 2 bits here have been used by SCTP_PR_SCTP_MASK */
SCTP_SENDALL = (1 << 6),
SCTP_PR_SCTP_ALL = (1 << 7),
SCTP_NOTIFICATION = MSG_NOTIFICATION, /* Next message is not user msg but notification. */
SCTP_EOF = MSG_FIN, /* Initiate graceful shutdown process. */
};