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authorXin Long <lucien.xin@gmail.com>2017-12-08 21:03:58 +0800
committerDavid S. Miller <davem@davemloft.net>2017-12-11 11:23:04 -0500
commit772a58693fc3116d05b7969223a80a6376e639eb (patch)
tree2b164a1e1645470a05d36c4636e9f8e45962e38d /include/net/sctp
parent92ff42645028fa6f9b8aa767718457b9264316b4 (diff)
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/net/sctp')
-rw-r--r--include/net/sctp/structs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 2f8f93da5dc2..7030cbe11f45 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -217,6 +217,7 @@ struct sctp_sock {
disable_fragments:1,
v4mapped:1,
frag_interleave:1,
+ strm_interleave:1,
recvrcvinfo:1,
recvnxtinfo:1,
data_ready_signalled:1;
@@ -1940,6 +1941,7 @@ struct sctp_association {
__u8 need_ecne:1, /* Need to send an ECNE Chunk? */
temp:1, /* Is it a temporary association? */
force_delay:1,
+ intl_enable:1,
prsctp_enable:1,
reconf_enable:1;