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| author | Felix Fietkau <nbd@openwrt.org> | 2013-08-10 15:31:38 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2013-08-10 15:31:38 +0000 |
| commit | 855c45a8b9e6e11d6c0a3e074c26f121f633e278 (patch) | |
| tree | e00d5a26a514d5c2892c7aaea957a2a425726641 /target | |
| parent | 73355c36260d61fc0d3b378076640abe60ee9570 (diff) | |
| download | upstream-855c45a8b9e6e11d6c0a3e074c26f121f633e278.tar.gz upstream-855c45a8b9e6e11d6c0a3e074c26f121f633e278.tar.bz2 upstream-855c45a8b9e6e11d6c0a3e074c26f121f633e278.zip | |
ar71xx: allow mtu > 1500 based on the configured tx/rx mtu register value
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37748 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c index 50029ffafe..5913bb6de4 100644 --- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c @@ -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 |