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ar71xx: allow mtu > 1500 based on the configured tx/rx mtu register value

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37748
This commit is contained in:
Felix Fietkau 2013-08-10 15:31:38 +00:00
parent fd586c0275
commit 7b05fe59a4
1 changed files with 10 additions and 1 deletions
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11
target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
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@ -1042,13 +1042,22 @@ static void ag71xx_netpoll(struct net_device *dev)
}
#endif
static int ag71xx_change_mtu(struct net_device *dev, int new_mtu)
{
if (new_mtu < 68 ||
new_mtu > AG71XX_TX_MTU_LEN - ETH_HLEN - ETH_FCS_LEN)
return -EINVAL;
dev->mtu = new_mtu;
}
static const struct net_device_ops ag71xx_netdev_ops = {
.ndo_open = ag71xx_open,
.ndo_stop = ag71xx_stop,
.ndo_start_xmit = ag71xx_hard_start_xmit,
.ndo_do_ioctl = ag71xx_do_ioctl,
.ndo_tx_timeout = ag71xx_tx_timeout,
.ndo_change_mtu = eth_change_mtu,
.ndo_change_mtu = ag71xx_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER