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Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0246-net-mscc-ocelot-limit-vlan-ingress-filtering-to-actu.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0246-net-mscc-ocelot-limit-vlan-ingress-filtering-to-actu.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0246-net-mscc-ocelot-limit-vlan-ingress-filtering-to-actu.patch b/target/linux/layerscape/patches-5.4/701-net-0246-net-mscc-ocelot-limit-vlan-ingress-filtering-to-actu.patch
new file mode 100644
index 0000000000..532db74c83
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0246-net-mscc-ocelot-limit-vlan-ingress-filtering-to-actu.patch
@@ -0,0 +1,28 @@
+From acc105226493e7cfdb6e72d130c36f21e951fc1f Mon Sep 17 00:00:00 2001
+From: Vladimir Oltean <vladimir.oltean@nxp.com>
+Date: Sat, 9 Nov 2019 15:02:55 +0200
+Subject: [PATCH] net: mscc: ocelot: limit vlan ingress filtering to actual
+ number of ports
+
+The VSC7514 switch (Ocelot) is a 10-port device, while VSC9959 (Felix)
+is 6-port. Therefore the VLAN filtering mask would be out of bounds when
+calling for this new switch. Fix that.
+
+Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/mscc/ocelot.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/mscc/ocelot.c
++++ b/drivers/net/ethernet/mscc/ocelot.c
+@@ -389,7 +389,8 @@ static void ocelot_vlan_init(struct ocel
+ /* Set vlan ingress filter mask to all ports but the CPU port by
+ * default.
+ */
+- ocelot_write(ocelot, GENMASK(9, 0), ANA_VLANMASK);
++ ocelot_write(ocelot, GENMASK(ocelot->num_phys_ports - 1, 0),
++ ANA_VLANMASK);
+
+ for (port = 0; port < ocelot->num_phys_ports; port++) {
+ ocelot_write_gix(ocelot, 0, REW_PORT_VLAN_CFG, port);