netdev - [PATCH net-next 3/4] sctp: add SCTP_ADDR_MADE

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Date:   Tue,  8 Oct 2019 19:27:35 +0800
From:   Xin Long <lucien.xin@...il.com>
To:     network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org
Cc:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Neil Horman <nhorman@...driver.com>, davem@...emloft.net
Subject: [PATCH net-next 3/4] sctp: add SCTP_ADDR_MADE_PRIM event

sctp_ulpevent_nofity_peer_addr_change() would be called in
sctp_assoc_set_primary() to send SCTP_ADDR_MADE_PRIM event
when this transport is set to the primary path of the asoc.

This event is described in rfc6458#section-6.1.2:

  SCTP_ADDR_MADE_PRIM:  This address has now been made the primary
     destination address.  This notification is provided whenever an
     address is made primary.

Signed-off-by: Xin Long <lucien.xin@...il.com>
---
 net/sctp/associola.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 0d3d7ce..1ba893b 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -429,6 +429,8 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
 		changeover = 1 ;
 
 	asoc->peer.primary_path = transport;
+	sctp_ulpevent_nofity_peer_addr_change(transport,
+					      SCTP_ADDR_MADE_PRIM, 0);
 
 	/* Set a default msg_name for events. */
 	memcpy(&asoc->peer.primary_addr, &transport->ipaddr,
-- 
2.1.0