*/
#include <linux/isdn.h>
+#include <linux/slab.h>
#include <net/arp.h>
#include <net/dst.h>
#include <net/pkt_sched.h>
/* Prototypes */
static int isdn_net_force_dial_lp(isdn_net_local *);
-static int isdn_net_start_xmit(struct sk_buff *, struct net_device *);
+static netdev_tx_t isdn_net_start_xmit(struct sk_buff *,
+ struct net_device *);
static void isdn_net_ciscohdlck_connected(isdn_net_local *lp);
static void isdn_net_ciscohdlck_disconnected(isdn_net_local *lp);
lp->dialstate = 0;
dev->rx_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL;
dev->st_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL;
- isdn_free_channel(lp->isdn_device, lp->isdn_channel, ISDN_USAGE_NET);
+ if (lp->isdn_device != -1 && lp->isdn_channel != -1)
+ isdn_free_channel(lp->isdn_device, lp->isdn_channel,
+ ISDN_USAGE_NET);
lp->flags &= ~ISDN_NET_CONNECTED;
lp->isdn_device = -1;
lp->isdn_channel = -1;
isdn_net_dev *nd;
isdn_net_local *slp;
isdn_net_local *lp = (isdn_net_local *) netdev_priv(ndev);
- int retv = 0;
+ int retv = NETDEV_TX_OK;
if (((isdn_net_local *) netdev_priv(ndev))->master) {
printk("isdn BUG at %s:%d!\n", __FILE__, __LINE__);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
/* For the other encaps the header has already been built */
lp = isdn_net_get_locked_lp(nd);
if (!lp) {
printk(KERN_WARNING "%s: all channels busy - requeuing!\n", ndev->name);
- return 1;
+ return NETDEV_TX_BUSY;
}
/* we have our lp locked from now on */
* If this interface isn't connected to a ISDN-Channel, find a free channel,
* and start dialing.
*/
-static int
+static netdev_tx_t
isdn_net_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
isdn_net_local *lp = (isdn_net_local *) netdev_priv(ndev);
if (!(ISDN_NET_DIALMODE(*lp) == ISDN_NET_DM_AUTO)) {
isdn_net_unreachable(ndev, skb, "dial rejected: interface not in dialmode `auto'");
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
if (lp->phone[1]) {
ulong flags;
if(time_before(jiffies, lp->dialwait_timer)) {
isdn_net_unreachable(ndev, skb, "dial rejected: retry-time not reached");
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
} else
lp->dialwait_timer = 0;
}
isdn_net_unreachable(ndev, skb,
"No channel");
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
/* Log packet, which triggered dialing */
if (dev->net_verbose)
dev_kfree_skb(skb);
isdn_net_unbind_channel(lp);
spin_unlock_irqrestore(&dev->lock, flags);
- return 0; /* STN (skb to nirvana) ;) */
+ return NETDEV_TX_OK; /* STN (skb to nirvana) ;) */
}
#ifdef CONFIG_IPPP_FILTER
if (isdn_ppp_autodial_filter(skb, lp)) {
spin_unlock_irqrestore(&dev->lock, flags);
isdn_net_unreachable(ndev, skb, "dial rejected: packet filtered");
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
#endif
spin_unlock_irqrestore(&dev->lock, flags);
isdn_net_dial(); /* Initiate dialing */
netif_stop_queue(ndev);
- return 1; /* let upper layer requeue skb packet */
+ return NETDEV_TX_BUSY; /* let upper layer requeue skb packet */
}
#endif
/* Initiate dialing */
spin_unlock_irqrestore(&dev->lock, flags);
isdn_net_dial();
isdn_net_device_stop_queue(lp);
- return 1;
+ return NETDEV_TX_BUSY;
} else {
isdn_net_unreachable(ndev, skb,
"No phone number");
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
} else {
/* Device is connected to an ISDN channel */
netif_stop_queue(ndev);
}
}
- return 1;
+ return NETDEV_TX_BUSY;
}
/*
return (rc);
}
+
+static int isdn_net_ioctl(struct net_device *dev,
+ struct ifreq *ifr, int cmd)
+{
+ isdn_net_local *lp = (isdn_net_local *) netdev_priv(dev);
+
+ switch (lp->p_encap) {
+#ifdef CONFIG_ISDN_PPP
+ case ISDN_NET_ENCAP_SYNCPPP:
+ return isdn_ppp_dev_ioctl(dev, ifr, cmd);
+#endif
+ case ISDN_NET_ENCAP_CISCOHDLCK:
+ return isdn_ciscohdlck_dev_ioctl(dev, ifr, cmd);
+ default:
+ return -EINVAL;
+ }
+}
+
/* called via cisco_timer.function */
static void
isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data)
*(__be32 *)(p + 4) = cpu_to_be32(CISCO_SLARP_KEEPALIVE);
*(__be32 *)(p + 8) = cpu_to_be32(lp->cisco_myseq);
*(__be32 *)(p + 12) = cpu_to_be32(lp->cisco_yourseq);
- *(__be16 *)(p + 16) = cpu_to_be16(0xffff); // reliablity, always 0xffff
+ *(__be16 *)(p + 16) = cpu_to_be16(0xffff); // reliability, always 0xffff
p += 18;
isdn_net_write_super(lp, skb);
ushort max_hlhdr_len = 0;
int drvidx;
- ether_setup(ndev);
- ndev->header_ops = NULL;
-
- /* Setup the generic properties */
- ndev->mtu = 1500;
- ndev->flags = IFF_NOARP|IFF_POINTOPOINT;
- ndev->type = ARPHRD_ETHER;
- ndev->addr_len = ETH_ALEN;
- ndev->validate_addr = NULL;
-
- /* for clients with MPPP maybe higher values better */
- ndev->tx_queue_len = 30;
-
- /* The ISDN-specific entries in the device structure. */
- ndev->open = &isdn_net_open;
- ndev->hard_start_xmit = &isdn_net_start_xmit;
-
/*
* up till binding we ask the protocol layer to reserve as much
* as we might need for HL layer
max_hlhdr_len = dev->drv[drvidx]->interface->hl_hdrlen;
ndev->hard_header_len = ETH_HLEN + max_hlhdr_len;
- ndev->stop = &isdn_net_close;
- ndev->get_stats = &isdn_net_get_stats;
- ndev->do_ioctl = NULL;
return 0;
}
return (isdn_net_force_dial_lp(p->local));
}
+/* The ISDN-specific entries in the device structure. */
+static const struct net_device_ops isdn_netdev_ops = {
+ .ndo_init = isdn_net_init,
+ .ndo_open = isdn_net_open,
+ .ndo_stop = isdn_net_close,
+ .ndo_do_ioctl = isdn_net_ioctl,
+
+ .ndo_start_xmit = isdn_net_start_xmit,
+ .ndo_get_stats = isdn_net_get_stats,
+ .ndo_tx_timeout = isdn_net_tx_timeout,
+};
+
/*
* Helper for alloc_netdev()
*/
{
isdn_net_local *lp = netdev_priv(dev);
- dev->flags = IFF_NOARP | IFF_POINTOPOINT;
+ ether_setup(dev);
+
+ /* Setup the generic properties */
+ dev->flags = IFF_NOARP|IFF_POINTOPOINT;
+ dev->header_ops = NULL;
+ dev->netdev_ops = &isdn_netdev_ops;
+
+ /* for clients with MPPP maybe higher values better */
+ dev->tx_queue_len = 30;
+
lp->p_encap = ISDN_NET_ENCAP_RAWIP;
lp->magic = ISDN_NET_MAGIC;
lp->last = lp;
return NULL;
}
netdev->local = netdev_priv(netdev->dev);
- netdev->dev->init = isdn_net_init;
+
if (master) {
/* Device shall be a slave */
struct net_device *p = MASTER_TO_SLAVE(master);
/*
* Watchdog timer (currently) for master only.
*/
- netdev->dev->tx_timeout = isdn_net_tx_timeout;
netdev->dev->watchdog_timeo = ISDN_NET_TX_TIMEOUT;
if (register_netdev(netdev->dev) != 0) {
printk(KERN_WARNING "isdn_net: Could not register net-device\n");
#else
p->dev->type = ARPHRD_PPP; /* change ARP type */
p->dev->addr_len = 0;
- p->dev->do_ioctl = isdn_ppp_dev_ioctl;
#endif
break;
case ISDN_NET_ENCAP_X25IFACE:
#endif
break;
case ISDN_NET_ENCAP_CISCOHDLCK:
- p->dev->do_ioctl = isdn_ciscohdlck_dev_ioctl;
break;
default:
if( cfg->p_encap >= 0 &&
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff