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-rw-r--r--net/802/fddi.c11
-rw-r--r--net/802/hippi.c14
-rw-r--r--net/batman-adv/soft-interface.c13
-rw-r--r--net/hsr/hsr_device.c1
-rw-r--r--net/phonet/pep-gprs.c12
5 files changed, 8 insertions, 43 deletions
diff --git a/net/802/fddi.c b/net/802/fddi.c
index 7d3a0af954e8..6356623fc238 100644
--- a/net/802/fddi.c
+++ b/net/802/fddi.c
@@ -141,15 +141,6 @@ __be16 fddi_type_trans(struct sk_buff *skb, struct net_device *dev)
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,
};
@@ -161,6 +152,8 @@ static void fddi_setup(struct net_device *dev)
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;
diff --git a/net/802/hippi.c b/net/802/hippi.c
index ade1a52cdcff..5e4427beab2b 100644
--- a/net/802/hippi.c
+++ b/net/802/hippi.c
@@ -116,18 +116,6 @@ __be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev)
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.
@@ -174,6 +162,8 @@ static void hippi_setup(struct net_device *dev)
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);
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 49e16b6e0ba3..112679d64be5 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -158,17 +158,6 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
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
@@ -920,7 +909,6 @@ static const struct net_device_ops batadv_netdev_ops = {
.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,
@@ -987,6 +975,7 @@ struct net_device *batadv_softif_create(struct net *net, const char *name)
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) {
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index 16737cd8dae8..fc65b145f6e7 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -398,6 +398,7 @@ void hsr_dev_setup(struct net_device *dev)
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);
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index fa8237fdc57b..21c28b51be94 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -217,20 +217,10 @@ static netdev_tx_t gprs_xmit(struct sk_buff *skb, struct net_device *dev)
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)
@@ -239,6 +229,8 @@ 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;