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authorWei Yongjun <yjwei@cn.fujitsu.com>2009-11-23 23:53:52 +0300
committerVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 23:53:52 +0300
commit475cba4ec8ee6b427cc3567692e6f48dd483c069 (patch)
treebb62796f5ec2dc242ab83c7efd5d332b6b452dfd /include/linux/sctp.h
parentdc63d3771cc6492220f53caf5fded6090d45d9ce (diff)
downloadlinux-475cba4ec8ee6b427cc3567692e6f48dd483c069.tar.xz
sctp: implement definition for SACK-IMMEDIATELY extension
This patch implement the definition for SACK-IMMEDIATELY extension. Section 3. The I-bit in the DATA Chunk Header The following Figure 1 shows the extended DATA chunk. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type = 0 | Res |I|U|B|E| Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | TSN | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Stream Identifier | Stream Sequence Number | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Payload Protocol Identifier | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ \ \ / User Data / \ \ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 1 The only difference between the DATA chunk in Figure 1 and the DATA chunk defined in [RFC4960] is the addition of the I-bit in the flags field of the chunk header. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'include/linux/sctp.h')
-rw-r--r--include/linux/sctp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index b464b9d3d242..c20d3ce673c0 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -242,6 +242,7 @@ enum {
SCTP_DATA_FIRST_FRAG = 0x02,
SCTP_DATA_NOT_FRAG = 0x03,
SCTP_DATA_UNORDERED = 0x04,
+ SCTP_DATA_SACK_IMM = 0x08,
};
enum { SCTP_DATA_FRAG_MASK = 0x03, };