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Subject[PATCH net-next] net: macb: implement live mac addr change
Date
Implement live mac addr change for the macb ethernet driver.

Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
---
drivers/net/ethernet/cadence/macb_main.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 4f63f1ba3161..991d5041c836 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -2947,6 +2947,18 @@ static int macb_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}

+static int macb_set_mac_addr(struct net_device *dev, void *addr)
+{
+ int err;
+
+ err = eth_mac_addr(dev, addr);
+ if (err < 0)
+ return err;
+
+ macb_set_hwaddr(netdev_priv(dev));
+ return 0;
+}
+
static void gem_update_stats(struct macb *bp)
{
struct macb_queue *queue;
@@ -3786,7 +3798,7 @@ static const struct net_device_ops macb_netdev_ops = {
.ndo_eth_ioctl = macb_ioctl,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = macb_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = macb_set_mac_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = macb_poll_controller,
#endif
@@ -4049,6 +4061,8 @@ static int macb_init(struct platform_device *pdev)
dev->ethtool_ops = &macb_ethtool_ops;
}

+ dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+
/* Set features */
dev->hw_features = NETIF_F_SG;

--
2.37.3
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