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ethernet/toshiba: use core min/max MTU checking

gelic_net: min_mtu 64, max_mtu 1518
- remove gelic_net_change_mtu now that it is redundant

spidernet: min_Mtu 64, max_mtu 2294
- remove spiter_net_change_mtu now that it is redundant

CC: netdev@vger.kernel.org
CC: Geoff Levand <geoff@infradead.org>
CC: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Jarod Wilson 2016-10-17 15:54:16 -04:00 committed by David S. Miller
parent f58f0817d7
commit 1281a2c7b8
4 changed files with 8 additions and 41 deletions

View File

@ -1114,24 +1114,6 @@ static int gelic_net_poll(struct napi_struct *napi, int budget)
}
return packets_done;
}
/**
* gelic_net_change_mtu - changes the MTU of an interface
* @netdev: interface device structure
* @new_mtu: new MTU value
*
* returns 0 on success, <0 on failure
*/
int gelic_net_change_mtu(struct net_device *netdev, int new_mtu)
{
/* no need to re-alloc skbs or so -- the max mtu is about 2.3k
* and mtu is outbound only anyway */
if ((new_mtu < GELIC_NET_MIN_MTU) ||
(new_mtu > GELIC_NET_MAX_MTU)) {
return -EINVAL;
}
netdev->mtu = new_mtu;
return 0;
}
/**
* gelic_card_interrupt - event handler for gelic_net
@ -1446,7 +1428,6 @@ static const struct net_device_ops gelic_netdevice_ops = {
.ndo_stop = gelic_net_stop,
.ndo_start_xmit = gelic_net_xmit,
.ndo_set_rx_mode = gelic_net_set_multi,
.ndo_change_mtu = gelic_net_change_mtu,
.ndo_tx_timeout = gelic_net_tx_timeout,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
@ -1513,6 +1494,10 @@ int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card)
netdev->features |= NETIF_F_VLAN_CHALLENGED;
}
/* MTU range: 64 - 1518 */
netdev->min_mtu = GELIC_NET_MIN_MTU;
netdev->max_mtu = GELIC_NET_MAX_MTU;
status = register_netdev(netdev);
if (status) {
dev_err(ctodev(card), "%s:Couldn't register %s %d\n",

View File

@ -373,7 +373,6 @@ int gelic_net_stop(struct net_device *netdev);
int gelic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
void gelic_net_set_multi(struct net_device *netdev);
void gelic_net_tx_timeout(struct net_device *netdev);
int gelic_net_change_mtu(struct net_device *netdev, int new_mtu);
int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card);
/* shared ethtool ops */

View File

@ -2558,7 +2558,6 @@ static const struct net_device_ops gelic_wl_netdevice_ops = {
.ndo_stop = gelic_wl_stop,
.ndo_start_xmit = gelic_net_xmit,
.ndo_set_rx_mode = gelic_net_set_multi,
.ndo_change_mtu = gelic_net_change_mtu,
.ndo_tx_timeout = gelic_net_tx_timeout,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,

View File

@ -1278,25 +1278,6 @@ static int spider_net_poll(struct napi_struct *napi, int budget)
return packets_done;
}
/**
* spider_net_change_mtu - changes the MTU of an interface
* @netdev: interface device structure
* @new_mtu: new MTU value
*
* returns 0 on success, <0 on failure
*/
static int
spider_net_change_mtu(struct net_device *netdev, int new_mtu)
{
/* no need to re-alloc skbs or so -- the max mtu is about 2.3k
* and mtu is outbound only anyway */
if ( (new_mtu < SPIDER_NET_MIN_MTU ) ||
(new_mtu > SPIDER_NET_MAX_MTU) )
return -EINVAL;
netdev->mtu = new_mtu;
return 0;
}
/**
* spider_net_set_mac - sets the MAC of an interface
* @netdev: interface device structure
@ -2229,7 +2210,6 @@ static const struct net_device_ops spider_net_ops = {
.ndo_start_xmit = spider_net_xmit,
.ndo_set_rx_mode = spider_net_set_multi,
.ndo_set_mac_address = spider_net_set_mac,
.ndo_change_mtu = spider_net_change_mtu,
.ndo_do_ioctl = spider_net_do_ioctl,
.ndo_tx_timeout = spider_net_tx_timeout,
.ndo_validate_addr = eth_validate_addr,
@ -2299,6 +2279,10 @@ spider_net_setup_netdev(struct spider_net_card *card)
/* some time: NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
* NETIF_F_HW_VLAN_CTAG_FILTER */
/* MTU range: 64 - 2294 */
netdev->min_mtu = SPIDER_NET_MIN_MTU;
netdev->max_mtu = SPIDER_NET_MAX_MTU;
netdev->irq = card->pdev->irq;
card->num_rx_ints = 0;
card->ignore_rx_ramfull = 0;