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authorXin Long <lucien.xin@gmail.com>2020-10-29 15:05:01 +0800
committerJakub Kicinski <kuba@kernel.org>2020-10-30 15:24:06 -0700
commite8a3001c2120c760017da81a307308572a3cdbbc (patch)
treea6770ee9418f7523fb534ced95ed9204ed1c2880 /net/sctp/socket.c
parent89ba49171fb22c130be4786d5ada9dda33dd7801 (diff)
sctp: add encap_port for netns sock asoc and transport
encap_port is added as per netns/sock/assoc/transport, and the latter one's encap_port inherits the former one's by default. The transport's encap_port value would mostly decide if one packet should go out with udp encapsulated or not. This patch also allows users to set netns' encap_port by sysctl. v1->v2: - Change to define encap_port as __be16 for sctp_sock, asoc and transport. v2->v3: - No change. v3->v4: - Add 'encap_port' entry in ip-sysctl.rst. v4->v5: - Improve the description of encap_port in ip-sysctl.rst. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 53d0a4161df3..09b94cd7ca37 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4876,6 +4876,7 @@ static int sctp_init_sock(struct sock *sk)
* be modified via SCTP_PEER_ADDR_PARAMS
*/
sp->hbinterval = net->sctp.hb_interval;
+ sp->encap_port = htons(net->sctp.encap_port);
sp->pathmaxrxt = net->sctp.max_retrans_path;
sp->pf_retrans = net->sctp.pf_retrans;
sp->ps_retrans = net->sctp.ps_retrans;