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| author | Mathias Kresin <dev@kresin.me> | 2018-02-18 22:48:44 +0100 |
|---|---|---|
| committer | Mathias Kresin <dev@kresin.me> | 2018-08-16 21:20:57 +0200 |
| commit | 22ae14d0e7b882699f8512a75b4d06766aee4b78 (patch) | |
| tree | c40123547604f69dbf2dcb69da2bb89a5b586aba | |
| parent | 8c91807214c42b481a0893e118d46f488419468a (diff) | |
| download | upstream-22ae14d0e7b882699f8512a75b4d06766aee4b78.tar.gz upstream-22ae14d0e7b882699f8512a75b4d06766aee4b78.tar.bz2 upstream-22ae14d0e7b882699f8512a75b4d06766aee4b78.zip | |
cns3xxx: fix mtu setting with kernel 4.14
Since kernel 4.10 commit 61e84623ace3 ("net: centralize net_device
min/max MTU checking"), the range of mtu is [min_mtu, max_mtu], which
is [68, 1500] by default.
It's necessary to set a max_mtu if a mtu > 1500 is supported.
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>
| -rw-r--r-- | target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c index 77a7ab73d5..4556499429 100644 --- a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c +++ b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c @@ -1124,22 +1124,12 @@ static int eth_set_mac(struct net_device *netdev, void *p) return 0; } -static int cns3xxx_change_mtu(struct net_device *dev, int new_mtu) -{ - if (new_mtu > MAX_MTU) - return -EINVAL; - - dev->mtu = new_mtu; - return 0; -} - static const struct net_device_ops cns3xxx_netdev_ops = { .ndo_open = eth_open, .ndo_stop = eth_close, .ndo_start_xmit = eth_xmit, .ndo_set_rx_mode = eth_rx_mode, .ndo_do_ioctl = eth_ioctl, - .ndo_change_mtu = cns3xxx_change_mtu, .ndo_set_mac_address = eth_set_mac, .ndo_validate_addr = eth_validate_addr, }; @@ -1236,6 +1226,7 @@ static int eth_init_one(struct platform_device *pdev) dev->netdev_ops = &cns3xxx_netdev_ops; dev->ethtool_ops = &cns3xxx_ethtool_ops; dev->tx_queue_len = 1000; + dev->max_mtu = MAX_MTU; dev->features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_FRAGLIST; switch_port_tab[port->id] = port; |