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authorXin Long <lucien.xin@gmail.com>2017-12-08 16:04:00 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-11 19:23:04 +0300
commitad05a7a05ede28ba6dd935d9e932264a22518b1f (patch)
tree9a60d1b471879cce652cd1eeae0f0735913aa039 /include/net/sctp/sm.h
parent96b120b3c1397c90b64d1f4b2300fb7ce4aa8a68 (diff)
downloadlinux-ad05a7a05ede28ba6dd935d9e932264a22518b1f.tar.xz
sctp: add basic structures and make chunk function for idata
sctp_idatahdr and sctp_idata_chunk are used to define and parse I-DATA chunk format, and sctp_make_idata is a function to build the chunk. The I-DATA Chunk Format is defined in section 2.1 of RFC8260. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp/sm.h')
-rw-r--r--include/net/sctp/sm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 70fb397f65b0..5389ae034cfa 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -197,6 +197,8 @@ struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *asoc,
struct sctp_chunk *sctp_make_cwr(const struct sctp_association *asoc,
const __u32 lowest_tsn,
const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_idata(const struct sctp_association *asoc,
+ __u8 flags, int paylen, gfp_t gfp);
struct sctp_chunk *sctp_make_datafrag_empty(struct sctp_association *asoc,
const struct sctp_sndrcvinfo *sinfo,
int len, const __u8 flags,