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authorXin Long <lucien.xin@gmail.com>2017-12-15 00:41:29 +0800
committerDavid S. Miller <davem@davemloft.net>2017-12-15 13:52:22 -0500
commitde60fe9105431f504de9f8793b1da237a7d7f7ed (patch)
tree6628209f7a3f30d7d5dfd5233806122d0a6617da /include/net/sctp/stream_interleave.h
parent47b20a88566f89dd0cc80c46f59ce0a12259d404 (diff)
downloadlinux-de60fe9105431f504de9f8793b1da237a7d7f7ed.tar.gz
sctp: implement handle_ftsn for sctp_stream_interleave
handle_ftsn is added as a member of sctp_stream_interleave, used to skip
ssn for data or mid for idata, called for SCTP_CMD_PROCESS_FWDTSN cmd.

sctp_handle_iftsn works for ifwdtsn, and sctp_handle_fwdtsn works for
fwdtsn. Note that different from sctp_handle_fwdtsn, sctp_handle_iftsn
could do stream abort pd.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo R. Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp/stream_interleave.h')
-rw-r--r--include/net/sctp/stream_interleave.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/sctp/stream_interleave.h b/include/net/sctp/stream_interleave.h
index 0b55c70ac5af..6657711c8bc4 100644
--- a/include/net/sctp/stream_interleave.h
+++ b/include/net/sctp/stream_interleave.h
@@ -52,6 +52,8 @@ struct sctp_stream_interleave {
 	void	(*generate_ftsn)(struct sctp_outq *q, __u32 ctsn);
 	bool	(*validate_ftsn)(struct sctp_chunk *chunk);
 	void	(*report_ftsn)(struct sctp_ulpq *ulpq, __u32 ftsn);
+	void	(*handle_ftsn)(struct sctp_ulpq *ulpq,
+			       struct sctp_chunk *chunk);
 };
 
 void sctp_stream_interleave_init(struct sctp_stream *stream);