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authorWei Yongjun <yjwei@cn.fujitsu.com>2009-11-23 15:53:56 -0500
committerVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 15:53:56 -0500
commitb93d6471748de2ce02cc24774b774deb306a57a8 (patch)
tree98c69d791297d3805d00f9d8ce2fa04dfbd63c9a /include/net/sctp
parent6dc7694f9df20f148076d82d00cb3663afb0b000 (diff)
sctp: implement the sender side for SACK-IMMEDIATELY extension
This patch implement the sender side for SACK-IMMEDIATELY extension. Section 4.1. Sender Side Considerations Whenever the sender of a DATA chunk can benefit from the corresponding SACK chunk being sent back without delay, the sender MAY set the I-bit in the DATA chunk header. Reasons for setting the I-bit include o The sender is in the SHUTDOWN-PENDING state. o The application requests to set the I-bit of the last DATA chunk of a user message when providing the user message to the SCTP implementation. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'include/net/sctp')
-rw-r--r--include/net/sctp/user.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index be2334aaf52..50b2431405f 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -206,6 +206,7 @@ enum sctp_sinfo_flags {
SCTP_UNORDERED = 1, /* Send/receive message unordered. */
SCTP_ADDR_OVER = 2, /* Override the primary destination. */
SCTP_ABORT=4, /* Send an ABORT message to the peer. */
+ SCTP_SACK_IMMEDIATELY = 8, /* SACK should be sent without delay */
SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
};