diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch b/target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch new file mode 100644 index 0000000000..91cf55b18a --- /dev/null +++ b/target/linux/generic/backport-5.10/790-v5.13-0001-net-dsa-b53-Add-debug-prints-in-b53_vlan_enable.patch @@ -0,0 +1,65 @@ +From ee47ed08d75e8f16b3cf882061ee19c2ea19dd6c Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <f.fainelli@gmail.com> +Date: Wed, 10 Mar 2021 10:52:26 -0800 +Subject: [PATCH] net: dsa: b53: Add debug prints in b53_vlan_enable() + +Having dynamic debug prints in b53_vlan_enable() has been helpful to +uncover a recent but update the function to indicate the port being +configured (or -1 for initial setup) and include the global VLAN enabled +and VLAN filtering enable status. + +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/b53/b53_common.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -349,7 +349,7 @@ static void b53_set_forwarding(struct b5 + b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); + } + +-static void b53_enable_vlan(struct b53_device *dev, bool enable, ++static void b53_enable_vlan(struct b53_device *dev, int port, bool enable, + bool enable_filtering) + { + u8 mgmt, vc0, vc1, vc4 = 0, vc5; +@@ -431,6 +431,9 @@ static void b53_enable_vlan(struct b53_d + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); + + dev->vlan_enabled = enable; ++ ++ dev_dbg(dev->dev, "Port %d VLAN enabled: %d, filtering: %d\n", ++ port, enable, enable_filtering); + } + + static int b53_set_jumbo(struct b53_device *dev, bool enable, bool allow_10_100) +@@ -708,7 +711,7 @@ int b53_configure_vlan(struct dsa_switch + b53_do_vlan_op(dev, VTA_CMD_CLEAR); + } + +- b53_enable_vlan(dev, dev->vlan_enabled, ds->vlan_filtering); ++ b53_enable_vlan(dev, -1, dev->vlan_enabled, ds->vlan_filtering); + + b53_for_each_port(dev, i) + b53_write16(dev, B53_VLAN_PAGE, +@@ -1390,7 +1393,7 @@ int b53_vlan_filtering(struct dsa_switch + if (switchdev_trans_ph_prepare(trans)) + return 0; + +- b53_enable_vlan(dev, dev->vlan_enabled, vlan_filtering); ++ b53_enable_vlan(dev, port, dev->vlan_enabled, vlan_filtering); + + return 0; + } +@@ -1415,7 +1418,7 @@ int b53_vlan_prepare(struct dsa_switch * + if (vlan->vid_end >= dev->num_vlans) + return -ERANGE; + +- b53_enable_vlan(dev, true, ds->vlan_filtering); ++ b53_enable_vlan(dev, port, true, ds->vlan_filtering); + + return 0; + } |