netif_wake_queue(dev);
}
-static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
-{
- dev->mtu = new_mtu;
-
- return 0;
-}
-
#ifdef CONFIG_NET_POLL_CONTROLLER
static void uml_net_poll_controller(struct net_device *dev)
{
.ndo_set_rx_mode = uml_net_set_multicast_list,
.ndo_tx_timeout = uml_net_tx_timeout,
.ndo_set_mac_address = eth_mac_addr,
- .ndo_change_mtu = uml_net_change_mtu,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = uml_net_poll_controller,
return NETDEV_TX_OK;
}
-static int fwnet_change_mtu(struct net_device *net, int new_mtu)
-{
- if (new_mtu < 68)
- return -EINVAL;
-
- net->mtu = new_mtu;
- return 0;
-}
-
static const struct ethtool_ops fwnet_ethtool_ops = {
.get_link = ethtool_op_get_link,
};
.ndo_open = fwnet_open,
.ndo_stop = fwnet_stop,
.ndo_start_xmit = fwnet_tx,
- .ndo_change_mtu = fwnet_change_mtu,
};
static void fwnet_init_dev(struct net_device *net)
struct net_device *net;
bool allocated_netdev = false;
struct fwnet_device *dev;
- unsigned max_mtu;
int ret;
union fwnet_hwaddr *ha;
* Use the RFC 2734 default 1500 octets or the maximum payload
* as initial MTU
*/
- max_mtu = (1 << (card->max_receive + 1))
- - sizeof(struct rfc2734_header) - IEEE1394_GASP_HDR_SIZE;
- net->mtu = min(1500U, max_mtu);
+ net->max_mtu = (1 << (card->max_receive + 1))
+ - sizeof(struct rfc2734_header) - IEEE1394_GASP_HDR_SIZE;
+ net->mtu = min(1500U, net->max_mtu);
+ net->min_mtu = ETH_MIN_MTU;
/* Set our hardware address while we're at it */
ha = (union fwnet_hwaddr *)net->dev_addr;
return 0;
}
-static int ssip_pn_set_mtu(struct net_device *dev, int new_mtu)
-{
- if (new_mtu > SSIP_MAX_MTU || new_mtu < PHONET_MIN_MTU)
- return -EINVAL;
- dev->mtu = new_mtu;
-
- return 0;
-}
-
static void ssip_xmit_work(struct work_struct *work)
{
struct ssi_protocol *ssi =
.ndo_open = ssip_pn_open,
.ndo_stop = ssip_pn_stop,
.ndo_start_xmit = ssip_pn_xmit,
- .ndo_change_mtu = ssip_pn_set_mtu,
};
static void ssip_pn_setup(struct net_device *dev)
goto out1;
}
+ /* MTU range: 6 - 65535 */
+ ssi->netdev->min_mtu = PHONET_MIN_MTU;
+ ssi->netdev->max_mtu = SSIP_MAX_MTU;
+
SET_NETDEV_DEV(ssi->netdev, dev);
netif_carrier_off(ssi->netdev);
err = register_netdev(ssi->netdev);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(DRV_VERSION);
-int max_mtu = 9000;
int interrupt_mod_interval = 0;
/* Interoperability */
#define NES_FIRST_QPN 64
#define NES_SW_CONTEXT_ALIGN 1024
+#define NES_MAX_MTU 9000
+
#define NES_NIC_MAX_NICS 16
#define NES_MAX_ARP_TABLE_SIZE 4096
#include "nes_cm.h"
#include "nes_mgt.h"
-extern int max_mtu;
-#define max_frame_len (max_mtu+ETH_HLEN)
extern int interrupt_mod_interval;
extern int nes_if_count;
extern int mpa_version;
{
struct nes_vnic *nesvnic = netdev_priv(netdev);
struct nes_device *nesdev = nesvnic->nesdev;
- int ret = 0;
u8 jumbomode = 0;
u32 nic_active;
u32 nic_active_bit;
u32 uc_all_active;
u32 mc_all_active;
- if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu))
- return -EINVAL;
-
netdev->mtu = new_mtu;
nesvnic->max_frame_size = new_mtu + VLAN_ETH_HLEN;
- if (netdev->mtu > 1500) {
+ if (netdev->mtu > ETH_DATA_LEN) {
jumbomode=1;
}
nes_nic_init_timer_defaults(nesdev, jumbomode);
nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
}
- return ret;
+ return 0;
}
netdev->watchdog_timeo = NES_TX_TIMEOUT;
netdev->irq = nesdev->pcidev->irq;
- netdev->mtu = ETH_DATA_LEN;
+ netdev->max_mtu = NES_MAX_MTU;
netdev->hard_header_len = ETH_HLEN;
netdev->addr_len = ETH_ALEN;
netdev->type = ARPHRD_ETHER;
/* MTU will be reset when mcast join happens */
priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu);
priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu;
+ priv->dev->max_mtu = IPOIB_CM_MTU;
priv->dev->neigh_priv_len = sizeof(struct ipoib_neigh);
return 0;
}
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-static int
-mpt_lan_change_mtu(struct net_device *dev, int new_mtu)
-{
- if ((new_mtu < MPT_LAN_MIN_MTU) || (new_mtu > MPT_LAN_MAX_MTU))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
-}
-
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/* Tx timeout handler. */
static void
.ndo_open = mpt_lan_open,
.ndo_stop = mpt_lan_close,
.ndo_start_xmit = mpt_lan_sdu_send,
- .ndo_change_mtu = mpt_lan_change_mtu,
.ndo_tx_timeout = mpt_lan_tx_timeout,
};
dev->netdev_ops = &mpt_netdev_ops;
dev->watchdog_timeo = MPT_LAN_TX_TIMEOUT;
+ /* MTU range: 96 - 65280 */
+ dev->min_mtu = MPT_LAN_MIN_MTU;
+ dev->max_mtu = MPT_LAN_MAX_MTU;
+
dlprintk((KERN_INFO MYNAM ": Finished registering dev "
"and setting initial values\n"));
* now, the default is 64KB.
*/
#define XPNET_MAX_MTU (0x800000UL - L1_CACHE_BYTES)
+/* 68 comes from min TCP+IP+MAC header */
+#define XPNET_MIN_MTU 68
/* 32KB has been determined to be the ideal */
#define XPNET_DEF_MTU (0x8000UL)
return 0;
}
-static int
-xpnet_dev_change_mtu(struct net_device *dev, int new_mtu)
-{
- /* 68 comes from min TCP+IP+MAC header */
- if ((new_mtu < 68) || (new_mtu > XPNET_MAX_MTU)) {
- dev_err(xpnet, "ifconfig %s mtu %d failed; value must be "
- "between 68 and %ld\n", dev->name, new_mtu,
- XPNET_MAX_MTU);
- return -EINVAL;
- }
-
- dev->mtu = new_mtu;
- dev_dbg(xpnet, "ifconfig %s mtu set to %d\n", dev->name, new_mtu);
- return 0;
-}
-
/*
* Notification that the other end has received the message and
* DMA'd the skb information. At this point, they are done with
.ndo_open = xpnet_dev_open,
.ndo_stop = xpnet_dev_stop,
.ndo_start_xmit = xpnet_dev_hard_start_xmit,
- .ndo_change_mtu = xpnet_dev_change_mtu,
.ndo_tx_timeout = xpnet_dev_tx_timeout,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
xpnet_device->netdev_ops = &xpnet_netdev_ops;
xpnet_device->mtu = XPNET_DEF_MTU;
+ xpnet_device->min_mtu = XPNET_MIN_MTU;
+ xpnet_device->max_mtu = XPNET_MAX_MTU;
/*
* Multicast assumes the LSB of the first octet is set for multicast
.ndo_stop = skfp_close,
.ndo_start_xmit = skfp_send_pkt,
.ndo_get_stats = skfp_ctl_get_stats,
- .ndo_change_mtu = fddi_change_mtu,
.ndo_set_rx_mode = skfp_ctl_set_multicast_list,
.ndo_set_mac_address = skfp_ctl_set_mac_address,
.ndo_do_ioctl = skfp_ioctl,
netdev->netdev_ops = &fjes_netdev_ops;
fjes_set_ethtool_ops(netdev);
netdev->mtu = fjes_support_mtu[3];
+ netdev->min_mtu = fjes_support_mtu[0];
+ netdev->max_mtu = fjes_support_mtu[3];
netdev->flags |= IFF_BROADCAST;
netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER;
}
.ndo_stop = rr_close,
.ndo_do_ioctl = rr_ioctl,
.ndo_start_xmit = rr_start_xmit,
- .ndo_change_mtu = hippi_change_mtu,
.ndo_set_mac_address = hippi_mac_addr,
};
rnet->msg_enable = value;
}
-static int rionet_change_mtu(struct net_device *ndev, int new_mtu)
-{
- if ((new_mtu < 68) || (new_mtu > RIONET_MAX_MTU)) {
- printk(KERN_ERR "%s: Invalid MTU size %d\n",
- ndev->name, new_mtu);
- return -EINVAL;
- }
- ndev->mtu = new_mtu;
- return 0;
-}
-
static const struct ethtool_ops rionet_ethtool_ops = {
.get_drvinfo = rionet_get_drvinfo,
.get_msglevel = rionet_get_msglevel,
.ndo_open = rionet_open,
.ndo_stop = rionet_close,
.ndo_start_xmit = rionet_start_xmit,
- .ndo_change_mtu = rionet_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
};
ndev->netdev_ops = &rionet_netdev_ops;
ndev->mtu = RIONET_MAX_MTU;
+ /* MTU range: 68 - 4082 */
+ ndev->min_mtu = ETH_MIN_MTU;
+ ndev->max_mtu = RIONET_MAX_MTU;
ndev->features = NETIF_F_LLTX;
SET_NETDEV_DEV(ndev, &mport->dev);
ndev->ethtool_ops = &rionet_ethtool_ops;
{
struct slip *sl = netdev_priv(dev);
- if (new_mtu < 68 || new_mtu > 65534)
- return -EINVAL;
-
- if (new_mtu != dev->mtu)
- return sl_realloc_bufs(sl, new_mtu);
- return 0;
+ return sl_realloc_bufs(sl, new_mtu);
}
/* Netdevice get statistics request */
dev->addr_len = 0;
dev->tx_queue_len = 10;
+ /* MTU range: 68 - 65534 */
+ dev->min_mtu = 68;
+ dev->max_mtu = 65534;
+
/* New-style flags. */
dev->flags = IFF_NOARP|IFF_POINTOPOINT|IFF_MULTICAST;
}
return NETDEV_TX_OK;
}
-static int pn_net_mtu(struct net_device *dev, int new_mtu)
-{
- if ((new_mtu < PHONET_MIN_MTU) || (new_mtu > PHONET_MAX_MTU))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
-}
-
static const struct net_device_ops pn_netdev_ops = {
.ndo_open = pn_net_open,
.ndo_stop = pn_net_close,
.ndo_start_xmit = pn_net_xmit,
- .ndo_change_mtu = pn_net_mtu,
};
static void pn_net_setup(struct net_device *dev)
dev->type = ARPHRD_PHONET;
dev->flags = IFF_POINTOPOINT | IFF_NOARP;
dev->mtu = PHONET_DEV_MTU;
+ dev->min_mtu = PHONET_MIN_MTU;
+ dev->max_mtu = PHONET_MAX_MTU;
dev->hard_header_len = 1;
dev->dev_addr[0] = PN_MEDIA_USB;
dev->addr_len = 1;
/* NETWORK DRIVER HOOKUP (to the layer above this driver) */
-static int ueth_change_mtu(struct net_device *net, int new_mtu)
-{
- if (new_mtu <= ETH_HLEN || new_mtu > GETHER_MAX_ETH_FRAME_LEN)
- return -ERANGE;
- net->mtu = new_mtu;
-
- return 0;
-}
-
static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p)
{
struct eth_dev *dev = netdev_priv(net);
.ndo_open = eth_open,
.ndo_stop = eth_stop,
.ndo_start_xmit = eth_start_xmit,
- .ndo_change_mtu = ueth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
net->ethtool_ops = &ops;
+ /* MTU range: 14 - 15412 */
+ net->min_mtu = ETH_HLEN;
+ net->max_mtu = GETHER_MAX_ETH_FRAME_LEN;
+
dev->gadget = g;
SET_NETDEV_DEV(net, &g->dev);
SET_NETDEV_DEVTYPE(net, &gadget_type);
#ifdef __KERNEL__
__be16 fddi_type_trans(struct sk_buff *skb, struct net_device *dev);
-int fddi_change_mtu(struct net_device *dev, int new_mtu);
struct net_device *alloc_fddidev(int sizeof_priv);
#endif
};
__be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev);
-int hippi_change_mtu(struct net_device *dev, int new_mtu);
int hippi_mac_addr(struct net_device *dev, void *p);
int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p);
struct net_device *alloc_hippi_dev(int sizeof_priv);
EXPORT_SYMBOL(fddi_type_trans);
-int fddi_change_mtu(struct net_device *dev, int new_mtu)
-{
- if ((new_mtu < FDDI_K_SNAP_HLEN) || (new_mtu > FDDI_K_SNAP_DLEN))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
-}
-EXPORT_SYMBOL(fddi_change_mtu);
-
static const struct header_ops fddi_header_ops = {
.create = fddi_header,
};
dev->type = ARPHRD_FDDI;
dev->hard_header_len = FDDI_K_SNAP_HLEN+3; /* Assume 802.2 SNAP hdr len + 3 pad bytes */
dev->mtu = FDDI_K_SNAP_DLEN; /* Assume max payload of 802.2 SNAP frame */
+ dev->min_mtu = FDDI_K_SNAP_HLEN;
+ dev->max_mtu = FDDI_K_SNAP_DLEN;
dev->addr_len = FDDI_K_ALEN;
dev->tx_queue_len = 100; /* Long queues on FDDI */
dev->flags = IFF_BROADCAST | IFF_MULTICAST;
EXPORT_SYMBOL(hippi_type_trans);
-int hippi_change_mtu(struct net_device *dev, int new_mtu)
-{
- /*
- * HIPPI's got these nice large MTUs.
- */
- if ((new_mtu < 68) || (new_mtu > 65280))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
-}
-EXPORT_SYMBOL(hippi_change_mtu);
-
/*
* For HIPPI we will actually use the lower 4 bytes of the hardware
* address as the I-FIELD rather than the actual hardware address.
dev->type = ARPHRD_HIPPI;
dev->hard_header_len = HIPPI_HLEN;
dev->mtu = 65280;
+ dev->min_mtu = 68;
+ dev->max_mtu = 65280;
dev->addr_len = HIPPI_ALEN;
dev->tx_queue_len = 25 /* 5 */;
memset(dev->broadcast, 0xFF, HIPPI_ALEN);
return 0;
}
-static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu)
-{
- /* check ranges */
- if ((new_mtu < 68) || (new_mtu > batadv_hardif_min_mtu(dev)))
- return -EINVAL;
-
- dev->mtu = new_mtu;
-
- return 0;
-}
-
/**
* batadv_interface_set_rx_mode - set the rx mode of a device
* @dev: registered network device to modify
.ndo_vlan_rx_add_vid = batadv_interface_add_vid,
.ndo_vlan_rx_kill_vid = batadv_interface_kill_vid,
.ndo_set_mac_address = batadv_interface_set_mac_addr,
- .ndo_change_mtu = batadv_interface_change_mtu,
.ndo_set_rx_mode = batadv_interface_set_rx_mode,
.ndo_start_xmit = batadv_interface_tx,
.ndo_validate_addr = eth_validate_addr,
dev_net_set(soft_iface, net);
soft_iface->rtnl_link_ops = &batadv_link_ops;
+ soft_iface->max_mtu = batadv_hardif_min_mtu(soft_iface);
ret = register_netdevice(soft_iface);
if (ret < 0) {
random_ether_addr(dev->dev_addr);
ether_setup(dev);
+ dev->min_mtu = 0;
dev->header_ops = &hsr_header_ops;
dev->netdev_ops = &hsr_device_ops;
SET_NETDEV_DEVTYPE(dev, &hsr_type);
return NETDEV_TX_OK;
}
-static int gprs_set_mtu(struct net_device *dev, int new_mtu)
-{
- if ((new_mtu < 576) || (new_mtu > (PHONET_MAX_MTU - 11)))
- return -EINVAL;
-
- dev->mtu = new_mtu;
- return 0;
-}
-
static const struct net_device_ops gprs_netdev_ops = {
.ndo_open = gprs_open,
.ndo_stop = gprs_close,
.ndo_start_xmit = gprs_xmit,
- .ndo_change_mtu = gprs_set_mtu,
};
static void gprs_setup(struct net_device *dev)
dev->type = ARPHRD_PHONET_PIPE;
dev->flags = IFF_POINTOPOINT | IFF_NOARP;
dev->mtu = GPRS_DEFAULT_MTU;
+ dev->min_mtu = 576;
+ dev->max_mtu = (PHONET_MAX_MTU - 11);
dev->hard_header_len = 0;
dev->addr_len = 0;
dev->tx_queue_len = 10;
projects / linux-2.6-microblaze.git / commitdiff