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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/netns
parent92ff42645028fa6f9b8aa767718457b9264316b4 (diff)
downloadlinux-772a58693fc3116d05b7969223a80a6376e639eb.tar.bz2
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/netns')
-rw-r--r--include/net/netns/sctp.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h
index ebc813277662..0db7fb3e4e15 100644
--- a/include/net/netns/sctp.h
+++ b/include/net/netns/sctp.h
@@ -122,9 +122,12 @@ struct netns_sctp {
/* Flag to indicate if PR-CONFIG is enabled. */
int reconf_enable;
- /* Flag to idicate if SCTP-AUTH is enabled */
+ /* Flag to indicate if SCTP-AUTH is enabled */
int auth_enable;
+ /* Flag to indicate if stream interleave is enabled */
+ int intl_enable;
+
/*
* Policy to control SCTP IPv4 address scoping
* 0 - Disable IPv4 address scoping