netdev - [PATCH 2/5][SCTP]: Implement SCTP_ADDR_CONFIRMED state for ADDR

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Date:	Fri, 16 Feb 2007 19:39:49 -0800
From:	Sridhar Samudrala <sri@...ibm.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, lksctp-developers@...ts.sourceforge.net
Subject: [PATCH 2/5][SCTP]: Implement SCTP_ADDR_CONFIRMED state for
	ADDR_CHANGE event.

[SCTP]: Implement SCTP_ADDR_CONFIRMED state for ADDR_CHANGE event.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@...com>
Signed-off-by: Sridhar Samudrala <sri@...ibm.com>

---
 include/net/sctp/user.h |    1 +
 net/sctp/associola.c    |   10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index e773160..36a319e 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -263,6 +263,7 @@ enum sctp_spc_state {
 	SCTP_ADDR_REMOVED,
 	SCTP_ADDR_ADDED,
 	SCTP_ADDR_MADE_PRIM,
+	SCTP_ADDR_CONFIRMED,
 };
 
 
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index fa82b73..294be94 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -714,8 +714,16 @@ void sctp_assoc_control_transport(struct
 	/* Record the transition on the transport.  */
 	switch (command) {
 	case SCTP_TRANSPORT_UP:
+		/* If we are moving from UNCONFIRMED state due
+		 * to heartbeat success, report the SCTP_ADDR_CONFIRMED
+		 * state to the user, otherwise report SCTP_ADDR_AVAILABLE.
+		 */
+		if (SCTP_UNCONFIRMED == transport->state &&
+		    SCTP_HEARTBEAT_SUCCESS == error)
+			spc_state = SCTP_ADDR_CONFIRMED;
+		else
+			spc_state = SCTP_ADDR_AVAILABLE;
 		transport->state = SCTP_ACTIVE;
-		spc_state = SCTP_ADDR_AVAILABLE;
 		break;
 
 	case SCTP_TRANSPORT_DOWN:


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