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authorXin Long <lucien.xin@gmail.com>2017-12-08 16:03:58 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-11 19:23:04 +0300
commit772a58693fc3116d05b7969223a80a6376e639eb (patch)
tree2b164a1e1645470a05d36c4636e9f8e45962e38d /include/uapi/linux/sctp.h
parent92ff42645028fa6f9b8aa767718457b9264316b4 (diff)
downloadlinux-772a58693fc3116d05b7969223a80a6376e639eb.tar.xz
sctp: add stream interleave enable members and sockopt
This patch adds intl_enable in asoc and netns, and strm_interleave in sctp_sock to indicate if stream interleave is enabled and supported. netns intl_enable would be set via procfs, but that is not added yet until all stream interleave codes are completely implemented; asoc intl_enable will be set when doing 4-shakehands. sp strm_interleave can be set by sockopt SCTP_INTERLEAVING_SUPPORTED which is also added in this patch. This socket option is defined in section 4.3.1 of RFC8260. Note that strm_interleave can only be set by sockopt when both netns intl_enable and sp frag_interleave are set. 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/uapi/linux/sctp.h')
-rw-r--r--include/uapi/linux/sctp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
index d9adab32dbee..6ed934c65a5f 100644
--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -125,6 +125,7 @@ typedef __s32 sctp_assoc_t;
#define SCTP_SOCKOPT_PEELOFF_FLAGS 122
#define SCTP_STREAM_SCHEDULER 123
#define SCTP_STREAM_SCHEDULER_VALUE 124
+#define SCTP_INTERLEAVING_SUPPORTED 125
/* PR-SCTP policies */
#define SCTP_PR_SCTP_NONE 0x0000