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sctp: add basic structures and make chunk function for ifwdtsn

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sctp_ifwdtsn_skip, sctp_ifwdtsn_hdr and sctp_ifwdtsn_chunk are used to
define and parse I-FWD TSN chunk format, and sctp_make_ifwdtsn is a
function to build the chunk.

The I-FORWARD-TSN Chunk Format is defined in section 2.3.1 of RFC8260.

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>
This commit is contained in:
Xin Long
2017-12-15 00:41:25 +08:00
committed by David S. Miller
parent 024778095a
commit 2d07a49ade
4 changed files with 45 additions and 0 deletions
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include/net/sctp/structs.h
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@@ -599,6 +599,7 @@ struct sctp_chunk {
struct sctp_fwdtsn_hdr *fwdtsn_hdr;
struct sctp_authhdr *auth_hdr;
struct sctp_idatahdr *idata_hdr;
struct sctp_ifwdtsn_hdr *ifwdtsn_hdr;
} subh;
__u8 *chunk_end;