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f2f42a54e8
The qca8k patch series brings the numbering to 799. This patch renames 7xx patches to create space for more backports to be added. Signed-off-by: Matthew Hagan <mnhagan88@gmail.com> [rename 729->719] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
72 lines
2.5 KiB
Diff
72 lines
2.5 KiB
Diff
From 64a81b24487f0d2fba0f033029eec2abc7d82cee Mon Sep 17 00:00:00 2001
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From: Florian Fainelli <f.fainelli@gmail.com>
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Date: Mon, 21 Jun 2021 15:10:55 -0700
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Subject: [PATCH] net: dsa: b53: Create default VLAN entry explicitly
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In case CONFIG_VLAN_8021Q is not set, there will be no call down to the
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b53 driver to ensure that the default PVID VLAN entry will be configured
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with the appropriate untagged attribute towards the CPU port. We were
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implicitly relying on dsa_slave_vlan_rx_add_vid() to do that for us,
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instead make it explicit.
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Reported-by: Vladimir Oltean <olteanv@gmail.com>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/dsa/b53/b53_common.c | 27 +++++++++++++++++++--------
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1 file changed, 19 insertions(+), 8 deletions(-)
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--- a/drivers/net/dsa/b53/b53_common.c
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+++ b/drivers/net/dsa/b53/b53_common.c
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@@ -693,6 +693,13 @@ static u16 b53_default_pvid(struct b53_d
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return 0;
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}
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+static bool b53_vlan_port_needs_forced_tagged(struct dsa_switch *ds, int port)
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+{
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+ struct b53_device *dev = ds->priv;
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+
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+ return dev->tag_protocol == DSA_TAG_PROTO_NONE && dsa_is_cpu_port(ds, port);
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+}
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+
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int b53_configure_vlan(struct dsa_switch *ds)
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{
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struct b53_device *dev = ds->priv;
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@@ -713,9 +720,20 @@ int b53_configure_vlan(struct dsa_switch
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b53_enable_vlan(dev, -1, dev->vlan_enabled, ds->vlan_filtering);
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- b53_for_each_port(dev, i)
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+ /* Create an untagged VLAN entry for the default PVID in case
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+ * CONFIG_VLAN_8021Q is disabled and there are no calls to
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+ * dsa_slave_vlan_rx_add_vid() to create the default VLAN
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+ * entry. Do this only when the tagging protocol is not
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+ * DSA_TAG_PROTO_NONE
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+ */
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+ b53_for_each_port(dev, i) {
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+ v = &dev->vlans[def_vid];
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+ v->members |= BIT(i);
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+ if (!b53_vlan_port_needs_forced_tagged(ds, i))
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+ v->untag = v->members;
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b53_write16(dev, B53_VLAN_PAGE,
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B53_VLAN_PORT_DEF_TAG(i), def_vid);
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+ }
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/* Upon initial call we have not set-up any VLANs, but upon
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* system resume, we need to restore all VLAN entries.
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@@ -1429,13 +1447,6 @@ int b53_vlan_prepare(struct dsa_switch *
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}
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EXPORT_SYMBOL(b53_vlan_prepare);
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-static bool b53_vlan_port_needs_forced_tagged(struct dsa_switch *ds, int port)
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-{
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- struct b53_device *dev = ds->priv;
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-
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- return dev->tag_protocol == DSA_TAG_PROTO_NONE && dsa_is_cpu_port(ds, port);
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-}
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-
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void b53_vlan_add(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_vlan *vlan)
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{
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