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fix #5373: cherry-pick USB ethernet naming fix

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Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
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Fabian Grünbichler 2024-04-12 15:25:02 +02:00 committed by Thomas Lamprecht
parent 4cab886f26
commit 70198d2b84
1 changed files with 50 additions and 0 deletions
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patches/kernel/0013-net-usb-ax88179_178a-avoid-the-interface-always-conf.patch Normal file
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@ -0,0 +1,50 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Date: Wed, 3 Apr 2024 15:21:58 +0200
Subject: [PATCH] net: usb: ax88179_178a: avoid the interface always configured
as random address
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
After the commit d2689b6a86b9 ("net: usb: ax88179_178a: avoid two
consecutive device resets"), reset is not executed from bind operation and
mac address is not read from the device registers or the devicetree at that
moment. Since the check to configure if the assigned mac address is random
or not for the interface, happens after the bind operation from
usbnet_probe, the interface keeps configured as random address, although the
address is correctly read and set during open operation (the only reset
now).
In order to keep only one reset for the device and to avoid the interface
always configured as random address, after reset, configure correctly the
suitable field from the driver, if the mac address is read successfully from
the device registers or the devicetree. Take into account if a locally
administered address (random) was previously stored.
cc: stable@vger.kernel.org # 6.6+
Fixes: d2689b6a86b9 ("net: usb: ax88179_178a: avoid two consecutive device resets")
Reported-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240403132158.344838-1-jtornosm@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
(cherry picked from commit 2e91bb99b9d4f756e92e83c4453f894dda220f09)
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
drivers/net/usb/ax88179_178a.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index d837c1887416..e0e9b4c53cb0 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1273,6 +1273,8 @@ static void ax88179_get_mac_addr(struct usbnet *dev)
if (is_valid_ether_addr(mac)) {
eth_hw_addr_set(dev->net, mac);
+ if (!is_local_ether_addr(mac))
+ dev->net->addr_assign_type = NET_ADDR_PERM;
} else {
netdev_info(dev->net, "invalid MAC address, using random\n");
eth_hw_addr_random(dev->net);