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octeon: implement interface rename by label from device tree

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adds patch to octeon ethernet driver that to rename interface
name by label from device tree

Tested-by: Johannes Kimmel <fff@bareminimum.eu>
Signed-off-by: Roman Kuzmitskii <damex.pp@icloud.com>
This commit is contained in:
Roman Kuzmitskii 2020-10-28 19:23:49 +00:00 committed by Daniel Golle
parent b9898cd78a
commit a8ceda752c
1 changed files with 38 additions and 0 deletions
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38
target/linux/octeon/patches-5.4/700-allocate_interface_by_label.patch Normal file
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@ -0,0 +1,38 @@
From: Roman Kuzmitskii <damex.pp@icloud.com>
Date: Wed, 28 Oct 2020 19:00:00 +0000
Subject: [PATCH] staging: octeon: add net-labels support
With this patch, device name can be set within dts file
in the same way as dsa port can.
Add label to pip interface node to use this feature:
label = "lan0";
Tested-by: Johannes Kimmel <fff@bareminimum.eu>
Signed-off-by: Roman Kuzmitskii <damex.pp@icloud.com>
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -407,9 +407,12 @@
{
struct octeon_ethernet *priv = netdev_priv(dev);
const u8 *mac = NULL;
+ const u8 *label = NULL;
- if (priv->of_node)
+ if (priv->of_node) {
mac = of_get_mac_address(priv->of_node);
+ label = of_get_property(priv->of_node, "label", NULL);
+ }
if (!IS_ERR_OR_NULL(mac))
ether_addr_copy(dev->dev_addr, mac);
@@ -444,6 +447,9 @@
if (dev->netdev_ops->ndo_stop)
dev->netdev_ops->ndo_stop(dev);
+ if (!IS_ERR_OR_NULL(label))
+ dev_alloc_name(dev, label);
+
return 0;
}