From:   Brian Gix <brian.gix@gmail.com>
To:     linux-bluetooth@vger.kernel.org
Cc:     brian.gix@intel.com, inga.stotland@intel.com
Subject: [PATCH BlueZ v5 11/14] mesh: Switch beaconing net key
Date:   Mon, 30 Jan 2023 15:52:07 -0800
Message-Id: <20230130235210.94385-12-brian.gix@gmail.com>
In-Reply-To: <20230130235210.94385-1-brian.gix@gmail.com>
References: <20230130235210.94385-1-brian.gix@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Brian Gix <brian.gix@intel.com>

When transitioning from Phase 1 to Phase 2 of a network key and we are
beaconing, we need to halt the beaconing on the old key version, and
begin beaconing on the new key version.
---
 mesh/net.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/mesh/net.c b/mesh/net.c
index 81f1e57ee..05ca48326 100644
--- a/mesh/net.c
+++ b/mesh/net.c
@@ -2625,6 +2625,13 @@ static int key_refresh_phase_two(struct mesh_net *net, uint16_t idx)
 	if (subnet->kr_phase == KEY_REFRESH_PHASE_TWO)
 		return MESH_STATUS_SUCCESS;
 
+	/* Stop beaconing on old key */
+	if (net->snb_enable)
+		net_key_beacon_disable(subnet->net_key_tx, false);
+
+	if (net->mpb_enable)
+		net_key_beacon_disable(subnet->net_key_tx, true);
+
 	subnet->key_refresh = 1;
 	subnet->net_key_tx = subnet->net_key_upd;
 	/*
@@ -2632,6 +2639,15 @@ static int key_refresh_phase_two(struct mesh_net *net, uint16_t idx)
 	 * it hears beacons from all the nodes
 	 */
 	subnet->kr_phase = KEY_REFRESH_PHASE_TWO;
+
+	/* Start beaconing on new key */
+	if (net->snb_enable)
+		net_key_beacon_enable(subnet->net_key_tx, false, 0);
+
+	if (net->mpb_enable)
+		net_key_beacon_enable(subnet->net_key_tx, true,
+							net->mpb_period);
+
 	refresh_beacon(subnet, net);
 	queue_friend_update(net);
 
-- 
2.39.1