From: Xin Long <lucien.xin@gmail.com>
Date: Tue, 8 Oct 2019 11:27:34 +0000 (+0800)
Subject: sctp: add SCTP_ADDR_REMOVED event
X-Git-Tag: v5.5-rc1~174^2~383^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c446f50ce5f7ad116aedbdbf65e26876437f6b5a;p=thirdparty%2Flinux.git

sctp: add SCTP_ADDR_REMOVED event

sctp_ulpevent_nofity_peer_addr_change() is called in
sctp_assoc_rm_peer() to send SCTP_ADDR_REMOVED event
when this transport is removed from the asoc.

This event is described in rfc6458#section-6.1.2:

  SCTP_ADDR_REMOVED:  The address is no longer part of the
     association.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
---

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 55aad70bb2d36..0d3d7ce7045e2 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -569,6 +569,7 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
 
 	asoc->peer.transport_count--;
 
+	sctp_ulpevent_nofity_peer_addr_change(peer, SCTP_ADDR_REMOVED, 0);
 	sctp_transport_free(peer);
 }