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49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From d7a0b1f7652f9f6b7ba0c9d8ad8edd6b8c0c1511 Mon Sep 17 00:00:00 2001
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From: Florian Fainelli <f.fainelli@gmail.com>
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Date: Mon, 30 Mar 2020 14:38:47 -0700
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Subject: [PATCH] net: dsa: b53: Restore VLAN entries upon (re)configuration
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The first time b53_configure_vlan() is called we have not configured any
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VLAN entries yet, since that happens later when interfaces get brought
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up. When b53_configure_vlan() is called again from suspend/resume we
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need to restore all VLAN entries though.
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Signed-off-by: Florian Fainelli <f.fainelli@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 | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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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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@@ -696,7 +696,9 @@ int b53_configure_vlan(struct dsa_switch
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{
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struct b53_device *dev = ds->priv;
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struct b53_vlan vl = { 0 };
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+ struct b53_vlan *v;
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int i, def_vid;
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+ u16 vid;
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def_vid = b53_default_pvid(dev);
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@@ -717,6 +719,19 @@ int b53_configure_vlan(struct dsa_switch
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if (!is5325(dev) && !is5365(dev))
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b53_set_jumbo(dev, dev->enable_jumbo, false);
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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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+ */
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+ for (vid = def_vid; vid < dev->num_vlans; vid++) {
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+ v = &dev->vlans[vid];
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+
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+ if (!v->members)
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+ continue;
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+
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+ b53_set_vlan_entry(dev, vid, v);
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+ b53_fast_age_vlan(dev, vid);
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+ }
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+
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return 0;
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}
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EXPORT_SYMBOL(b53_configure_vlan);
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