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cndm: Support changing MAC address

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-01-01 22:12:38 -08:00
parent eca44dc247
commit 541f6a9ee6
1 changed files with 22 additions and 0 deletions
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22
src/cndm/modules/cndm/cndm_netdev.c
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@@ -10,6 +10,8 @@ Authors:
#include "cndm.h"
#include <linux/version.h>
static int cndm_open(struct net_device *ndev)
{
struct cndm_priv *priv = netdev_priv(ndev);
@@ -50,10 +52,30 @@ static int cndm_close(struct net_device *ndev)
return 0;
}
static int cndm_set_mac(struct net_device *ndev, void *addr)
{
struct sockaddr *saddr = addr;
if (!is_valid_ether_addr(saddr->sa_data))
return -EADDRNOTAVAIL;
netif_addr_lock_bh(ndev);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0)
eth_hw_addr_set(ndev, saddr->sa_data);
#else
memcpy(ndev->dev_addr, saddr->sa_data, ETH_ALEN);
#endif
netif_addr_unlock_bh(ndev);
return 0;
}
static const struct net_device_ops cndm_netdev_ops = {
.ndo_open = cndm_open,
.ndo_stop = cndm_close,
.ndo_start_xmit = cndm_start_xmit,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = cndm_set_mac,
};
static int cndm_netdev_irq(struct notifier_block *nb, unsigned long action, void *data)