36546de92f
This is an automatically generated commit which aids following Kernel patch history, as git will see the move and copy as a rename thus defeating the purpose. For the original discussion see: https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://github.com/openwrt/openwrt/pull/23166 Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 27 Feb 2026 19:59:16 +0100
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Subject: [PATCH] net: dsa: b53: disable EAP setup on Northstar switches
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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It breaks standalone ports.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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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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@@ -332,6 +332,21 @@ static void b53_set_eap_mode(struct b53_
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{
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u64 eap_conf;
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+ /*
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+ * On Northstar devices (SoCs with BCM53011 / BCM53012) setting
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+ * EAP_MODE_SIMPLIFIED breaks standalone ports.
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+ *
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+ * See:
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+ * https://lore.kernel.org/netdev/ce4d9b7b-aaf6-4796-94fb-8c3d6a1dcd4d@gmail.com/
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+ * https://github.com/openwrt/openwrt/issues/21187
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+ * https://github.com/openwrt/openwrt/issues/21349
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+ *
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+ * For details on EAP see commit 4227ea91e265 ("net: dsa: b53: prevent
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+ * standalone from trying to forward to other ports").
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+ */
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+ if (is5301x(dev))
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+ return;
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+
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if (is5325(dev) || is5365(dev) || dev->chip_id == BCM5389_DEVICE_ID)
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return;
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