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path: root/drivers/isdn/i4l/isdn_net.c
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Diffstat (limited to 'drivers/isdn/i4l/isdn_net.c')
-rw-r--r--drivers/isdn/i4l/isdn_net.c270
1 files changed, 122 insertions, 148 deletions
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index aa83277aba7..7c9cb7e19f2 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -77,7 +77,7 @@ static __inline__ int isdn_net_device_started(isdn_net_dev *n)
if (lp->master)
dev = lp->master;
else
- dev = &n->dev;
+ dev = n->dev;
return netif_running(dev);
}
@@ -90,7 +90,7 @@ static __inline__ void isdn_net_device_wake_queue(isdn_net_local *lp)
if (lp->master)
netif_wake_queue(lp->master);
else
- netif_wake_queue(&lp->netdev->dev);
+ netif_wake_queue(lp->netdev->dev);
}
/*
@@ -102,7 +102,7 @@ static __inline__ void isdn_net_device_stop_queue(isdn_net_local *lp)
if (lp->master)
netif_stop_queue(lp->master);
else
- netif_stop_queue(&lp->netdev->dev);
+ netif_stop_queue(lp->netdev->dev);
}
/*
@@ -287,7 +287,7 @@ isdn_net_unbind_channel(isdn_net_local * lp)
BEWARE! This chunk of code cannot be called from hardware
interrupt handler. I hope it is true. --ANK
*/
- qdisc_reset(lp->netdev->dev.qdisc);
+ qdisc_reset(lp->netdev->dev->qdisc);
}
lp->dialstate = 0;
dev->rx_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL;
@@ -345,27 +345,27 @@ isdn_net_autohup(void)
l->chargetime += l->chargeint;
if (time_after(jiffies, l->chargetime + l->chargeint - 2 * HZ))
if (l->outgoing || l->hupflags & ISDN_INHUP)
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
} else if (l->outgoing) {
if (l->hupflags & ISDN_CHARGEHUP) {
if (l->hupflags & ISDN_WAITCHARGE) {
printk(KERN_DEBUG "isdn_net: Hupflags of %s are %X\n",
l->name, l->hupflags);
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
} else if (time_after(jiffies, l->chargetime + l->chargeint)) {
printk(KERN_DEBUG
"isdn_net: %s: chtime = %lu, chint = %d\n",
l->name, l->chargetime, l->chargeint);
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
}
} else
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
} else if (l->hupflags & ISDN_INHUP)
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
}
if(dev->global_flags & ISDN_GLOBAL_STOPPED || (ISDN_NET_DIALMODE(*l) == ISDN_NET_DM_OFF)) {
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
break;
}
}
@@ -579,7 +579,7 @@ isdn_net_dial(void)
if (!lp->dial) {
printk(KERN_WARNING "%s: phone number deleted?\n",
lp->name);
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
break;
}
anymore = 1;
@@ -616,8 +616,8 @@ isdn_net_dial(void)
s = "dial suppressed: isdn system stopped";
else
s = "dial suppressed: dialmode `off'";
- isdn_net_unreachable(&p->dev, NULL, s);
- isdn_net_hangup(&p->dev);
+ isdn_net_unreachable(p->dev, NULL, s);
+ isdn_net_hangup(p->dev);
break;
}
cmd.driver = lp->isdn_device;
@@ -633,7 +633,7 @@ isdn_net_dial(void)
if (!lp->dial) {
printk(KERN_WARNING "%s: phone number deleted?\n",
lp->name);
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
break;
}
if (!strncmp(lp->dial->num, "LEASED", strlen("LEASED"))) {
@@ -644,8 +644,8 @@ isdn_net_dial(void)
if (time_after(jiffies, lp->dialstarted + lp->dialtimeout)) {
lp->dialwait_timer = jiffies + lp->dialwait;
lp->dialstarted = 0;
- isdn_net_unreachable(&p->dev, NULL, "dial: timed out");
- isdn_net_hangup(&p->dev);
+ isdn_net_unreachable(p->dev, NULL, "dial: timed out");
+ isdn_net_hangup(p->dev);
break;
}
@@ -674,9 +674,9 @@ isdn_net_dial(void)
if (lp->dialtimeout == 0) {
lp->dialwait_timer = jiffies + lp->dialwait;
lp->dialstarted = 0;
- isdn_net_unreachable(&p->dev, NULL, "dial: tried all numbers dialmax times");
+ isdn_net_unreachable(p->dev, NULL, "dial: tried all numbers dialmax times");
}
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
break;
}
}
@@ -758,7 +758,7 @@ isdn_net_dial(void)
cmd.arg = lp->isdn_channel + (lp->l3_proto << 8);
isdn_command(&cmd);
if (lp->dtimer++ > ISDN_TIMER_DTIMEOUT15)
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
else {
anymore = 1;
lp->dialstate++;
@@ -781,7 +781,7 @@ isdn_net_dial(void)
printk(KERN_DEBUG "dialtimer4: %d\n", lp->dtimer);
#endif
if (lp->dtimer++ > ISDN_TIMER_DTIMEOUT10)
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
else
anymore = 1;
break;
@@ -1618,7 +1618,7 @@ isdn_net_ciscohdlck_slarp_send_reply(isdn_net_local *lp)
__be32 addr = 0; /* local ipv4 address */
__be32 mask = 0; /* local netmask */
- if ((in_dev = lp->netdev->dev.ip_ptr) != NULL) {
+ if ((in_dev = lp->netdev->dev->ip_ptr) != NULL) {
/* take primary(first) address of interface */
struct in_ifaddr *ifa = in_dev->ifa_list;
if (ifa != NULL) {
@@ -1866,61 +1866,21 @@ isdn_net_rcv_skb(int idx, struct sk_buff *skb)
isdn_net_local *lp = p->local;
if ((lp->flags & ISDN_NET_CONNECTED) &&
(!lp->dialstate)) {
- isdn_net_receive(&p->dev, skb);
+ isdn_net_receive(p->dev, skb);
return 1;
}
}
return 0;
}
-static int
-my_eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
-{
- struct ethhdr *eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
-
- /*
- * Set the protocol type. For a packet of type ETH_P_802_3 we
- * put the length here instead. It is up to the 802.2 layer to
- * carry protocol information.
- */
-
- if (type != ETH_P_802_3)
- eth->h_proto = htons(type);
- else
- eth->h_proto = htons(len);
-
- /*
- * Set the source hardware address.
- */
- if (saddr)
- memcpy(eth->h_source, saddr, dev->addr_len);
- else
- memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
-
- /*
- * Anyway, the loopback-device should never use this function...
- */
-
- if (dev->flags & (IFF_LOOPBACK | IFF_NOARP)) {
- memset(eth->h_dest, 0, dev->addr_len);
- return ETH_HLEN /*(dev->hard_header_len)*/;
- }
- if (daddr) {
- memcpy(eth->h_dest, daddr, dev->addr_len);
- return ETH_HLEN /*dev->hard_header_len*/;
- }
- return -ETH_HLEN /*dev->hard_header_len*/;
-}
-
/*
* build an header
* depends on encaps that is being used.
*/
-static int
-isdn_net_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned plen)
+static int isdn_net_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned plen)
{
isdn_net_local *lp = dev->priv;
unsigned char *p;
@@ -1928,7 +1888,7 @@ isdn_net_header(struct sk_buff *skb, struct net_device *dev, unsigned short type
switch (lp->p_encap) {
case ISDN_NET_ENCAP_ETHER:
- len = my_eth_header(skb, dev, type, daddr, saddr, plen);
+ len = eth_header(skb, dev, type, daddr, saddr, plen);
break;
#ifdef CONFIG_ISDN_PPP
case ISDN_NET_ENCAP_SYNCPPP:
@@ -2005,6 +1965,32 @@ isdn_net_rebuild_header(struct sk_buff *skb)
return ret;
}
+static int isdn_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
+{
+ const struct net_device *dev = neigh->dev;
+ isdn_net_local *lp = dev->priv;
+
+ if (lp->p_encap == ISDN_NET_ENCAP_ETHER)
+ return eth_header_cache(neigh, hh);
+ return -1;
+}
+
+static void isdn_header_cache_update(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char *haddr)
+{
+ isdn_net_local *lp = dev->priv;
+ if (lp->p_encap == ISDN_NET_ENCAP_ETHER)
+ return eth_header_cache_update(hh, dev, haddr);
+}
+
+static const struct header_ops isdn_header_ops = {
+ .create = isdn_net_header,
+ .rebuild = isdn_net_rebuild_header,
+ .cache = isdn_header_cache,
+ .cache_update = isdn_header_cache_update,
+};
+
/*
* Interface-setup. (just after registering a new interface)
*/
@@ -2012,18 +1998,12 @@ static int
isdn_net_init(struct net_device *ndev)
{
ushort max_hlhdr_len = 0;
- isdn_net_local *lp = (isdn_net_local *) ndev->priv;
- int drvidx, i;
+ int drvidx;
ether_setup(ndev);
- lp->org_hhc = ndev->hard_header_cache;
- lp->org_hcu = ndev->header_cache_update;
+ ndev->header_ops = NULL;
/* Setup the generic properties */
-
- ndev->hard_header = NULL;
- ndev->hard_header_cache = NULL;
- ndev->header_cache_update = NULL;
ndev->mtu = 1500;
ndev->flags = IFF_NOARP|IFF_POINTOPOINT;
ndev->type = ARPHRD_ETHER;
@@ -2032,9 +2012,6 @@ isdn_net_init(struct net_device *ndev)
/* for clients with MPPP maybe higher values better */
ndev->tx_queue_len = 30;
- for (i = 0; i < ETH_ALEN; i++)
- ndev->broadcast[i] = 0xff;
-
/* The ISDN-specific entries in the device structure. */
ndev->open = &isdn_net_open;
ndev->hard_start_xmit = &isdn_net_start_xmit;
@@ -2052,7 +2029,6 @@ isdn_net_init(struct net_device *ndev)
ndev->hard_header_len = ETH_HLEN + max_hlhdr_len;
ndev->stop = &isdn_net_close;
ndev->get_stats = &isdn_net_get_stats;
- ndev->rebuild_header = &isdn_net_rebuild_header;
ndev->do_ioctl = NULL;
return 0;
}
@@ -2531,6 +2507,42 @@ isdn_net_force_dial(char *name)
}
/*
+ * Helper for alloc_netdev()
+ */
+static void _isdn_setup(struct net_device *dev)
+{
+ isdn_net_local *lp = dev->priv;
+
+ dev->flags = IFF_NOARP | IFF_POINTOPOINT;
+ lp->p_encap = ISDN_NET_ENCAP_RAWIP;
+ lp->magic = ISDN_NET_MAGIC;
+ lp->last = lp;
+ lp->next = lp;
+ lp->isdn_device = -1;
+ lp->isdn_channel = -1;
+ lp->pre_device = -1;
+ lp->pre_channel = -1;
+ lp->exclusive = -1;
+ lp->ppp_slot = -1;
+ lp->pppbind = -1;
+ skb_queue_head_init(&lp->super_tx_queue);
+ lp->l2_proto = ISDN_PROTO_L2_X75I;
+ lp->l3_proto = ISDN_PROTO_L3_TRANS;
+ lp->triggercps = 6000;
+ lp->slavedelay = 10 * HZ;
+ lp->hupflags = ISDN_INHUP; /* Do hangup even on incoming calls */
+ lp->onhtime = 10; /* Default hangup-time for saving costs */
+ lp->dialmax = 1;
+ /* Hangup before Callback, manual dial */
+ lp->flags = ISDN_NET_CBHUP | ISDN_NET_DM_MANUAL;
+ lp->cbdelay = 25; /* Wait 5 secs before Callback */
+ lp->dialtimeout = -1; /* Infinite Dial-Timeout */
+ lp->dialwait = 5 * HZ; /* Wait 5 sec. after failed dial */
+ lp->dialstarted = 0; /* Jiffies of last dial-start */
+ lp->dialwait_timer = 0; /* Jiffies of earliest next dial-start */
+}
+
+/*
* Allocate a new network-interface and initialize its data structures.
*/
char *
@@ -2543,23 +2555,21 @@ isdn_net_new(char *name, struct net_device *master)
printk(KERN_WARNING "isdn_net: interface %s already exists\n", name);
return NULL;
}
+ if (name == NULL)
+ name = " ";
if (!(netdev = kzalloc(sizeof(isdn_net_dev), GFP_KERNEL))) {
printk(KERN_WARNING "isdn_net: Could not allocate net-device\n");
return NULL;
}
- if (!(netdev->local = kzalloc(sizeof(isdn_net_local), GFP_KERNEL))) {
- printk(KERN_WARNING "isdn_net: Could not allocate device locals\n");
+ netdev->dev = alloc_netdev(sizeof(isdn_net_local), name, _isdn_setup);
+ if (!netdev->dev) {
+ printk(KERN_WARNING "isdn_net: Could not allocate network device\n");
kfree(netdev);
return NULL;
}
- if (name == NULL)
- strcpy(netdev->local->name, " ");
- else
- strcpy(netdev->local->name, name);
- strcpy(netdev->dev.name, netdev->local->name);
- netdev->dev.priv = netdev->local;
- netdev->dev.init = isdn_net_init;
- netdev->local->p_encap = ISDN_NET_ENCAP_RAWIP;
+ netdev->local = netdev->dev->priv;
+ strcpy(netdev->local->name, netdev->dev->name);
+ netdev->dev->init = isdn_net_init;
if (master) {
/* Device shall be a slave */
struct net_device *p = (((isdn_net_local *) master->priv)->slave);
@@ -2571,60 +2581,33 @@ isdn_net_new(char *name, struct net_device *master)
q = p;
p = (((isdn_net_local *) p->priv)->slave);
}
- ((isdn_net_local *) q->priv)->slave = &(netdev->dev);
+ ((isdn_net_local *) q->priv)->slave = netdev->dev;
} else {
/* Device shall be a 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) {
+ 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");
- kfree(netdev->local);
+ free_netdev(netdev->dev);
kfree(netdev);
return NULL;
}
}
- netdev->local->magic = ISDN_NET_MAGIC;
-
netdev->queue = netdev->local;
spin_lock_init(&netdev->queue_lock);
- netdev->local->last = netdev->local;
netdev->local->netdev = netdev;
- netdev->local->next = netdev->local;
INIT_WORK(&netdev->local->tqueue, isdn_net_softint);
spin_lock_init(&netdev->local->xmit_lock);
- netdev->local->isdn_device = -1;
- netdev->local->isdn_channel = -1;
- netdev->local->pre_device = -1;
- netdev->local->pre_channel = -1;
- netdev->local->exclusive = -1;
- netdev->local->ppp_slot = -1;
- netdev->local->pppbind = -1;
- skb_queue_head_init(&netdev->local->super_tx_queue);
- netdev->local->l2_proto = ISDN_PROTO_L2_X75I;
- netdev->local->l3_proto = ISDN_PROTO_L3_TRANS;
- netdev->local->triggercps = 6000;
- netdev->local->slavedelay = 10 * HZ;
- netdev->local->hupflags = ISDN_INHUP; /* Do hangup even on incoming calls */
- netdev->local->onhtime = 10; /* Default hangup-time for saving costs
- of those who forget configuring this */
- netdev->local->dialmax = 1;
- netdev->local->flags = ISDN_NET_CBHUP | ISDN_NET_DM_MANUAL; /* Hangup before Callback, manual dial */
- netdev->local->cbdelay = 25; /* Wait 5 secs before Callback */
- netdev->local->dialtimeout = -1; /* Infinite Dial-Timeout */
- netdev->local->dialwait = 5 * HZ; /* Wait 5 sec. after failed dial */
- netdev->local->dialstarted = 0; /* Jiffies of last dial-start */
- netdev->local->dialwait_timer = 0; /* Jiffies of earliest next dial-start */
-
/* Put into to netdev-chain */
netdev->next = (void *) dev->netdev;
dev->netdev = netdev;
- return netdev->dev.name;
+ return netdev->dev->name;
}
char *
@@ -2649,7 +2632,7 @@ isdn_net_newslave(char *parm)
/* Master must not be started yet */
if (isdn_net_device_started(n))
return NULL;
- return (isdn_net_new(newname, &(n->dev)));
+ return (isdn_net_new(newname, n->dev));
}
return NULL;
}
@@ -2718,9 +2701,9 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
lp->name);
return -EINVAL;
#else
- p->dev.type = ARPHRD_PPP; /* change ARP type */
- p->dev.addr_len = 0;
- p->dev.do_ioctl = isdn_ppp_dev_ioctl;
+ 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:
@@ -2729,12 +2712,12 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
p->local->name);
return -EINVAL;
#else
- p->dev.type = ARPHRD_X25; /* change ARP type */
- p->dev.addr_len = 0;
+ p->dev->type = ARPHRD_X25; /* change ARP type */
+ p->dev->addr_len = 0;
#endif
break;
case ISDN_NET_ENCAP_CISCOHDLCK:
- p->dev.do_ioctl = isdn_ciscohdlck_dev_ioctl;
+ p->dev->do_ioctl = isdn_ciscohdlck_dev_ioctl;
break;
default:
if( cfg->p_encap >= 0 &&
@@ -2861,21 +2844,14 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
}
if (cfg->p_encap != lp->p_encap) {
if (cfg->p_encap == ISDN_NET_ENCAP_RAWIP) {
- p->dev.hard_header = NULL;
- p->dev.hard_header_cache = NULL;
- p->dev.header_cache_update = NULL;
- p->dev.flags = IFF_NOARP|IFF_POINTOPOINT;
+ p->dev->header_ops = NULL;
+ p->dev->flags = IFF_NOARP|IFF_POINTOPOINT;
} else {
- p->dev.hard_header = isdn_net_header;
- if (cfg->p_encap == ISDN_NET_ENCAP_ETHER) {
- p->dev.hard_header_cache = lp->org_hhc;
- p->dev.header_cache_update = lp->org_hcu;
- p->dev.flags = IFF_BROADCAST | IFF_MULTICAST;
- } else {
- p->dev.hard_header_cache = NULL;
- p->dev.header_cache_update = NULL;
- p->dev.flags = IFF_NOARP|IFF_POINTOPOINT;
- }
+ p->dev->header_ops = &isdn_header_ops;
+ if (cfg->p_encap == ISDN_NET_ENCAP_ETHER)
+ p->dev->flags = IFF_BROADCAST | IFF_MULTICAST;
+ else
+ p->dev->flags = IFF_NOARP|IFF_POINTOPOINT;
}
}
lp->p_encap = cfg->p_encap;
@@ -3095,7 +3071,7 @@ isdn_net_force_hangup(char *name)
isdn_net_hangup(q);
q = (((isdn_net_local *) q->priv)->slave);
}
- isdn_net_hangup(&p->dev);
+ isdn_net_hangup(p->dev);
return 0;
}
return -ENODEV;
@@ -3123,13 +3099,11 @@ isdn_net_realrm(isdn_net_dev * p, isdn_net_dev * q)
isdn_unexclusive_channel(p->local->pre_device, p->local->pre_channel);
if (p->local->master) {
/* It's a slave-device, so update master's slave-pointer if necessary */
- if (((isdn_net_local *) (p->local->master->priv))->slave == &p->dev)
+ if (((isdn_net_local *) (p->local->master->priv))->slave == p->dev)
((isdn_net_local *) (p->local->master->priv))->slave = p->local->slave;
} else {
/* Unregister only if it's a master-device */
- p->dev.hard_header_cache = p->local->org_hhc;
- p->dev.header_cache_update = p->local->org_hcu;
- unregister_netdev(&p->dev);
+ unregister_netdev(p->dev);
}
/* Unlink device from chain */
spin_lock_irqsave(&dev->lock, flags);
@@ -3157,7 +3131,7 @@ isdn_net_realrm(isdn_net_dev * p, isdn_net_dev * q)
/* If no more net-devices remain, disable auto-hangup timer */
if (dev->netdev == NULL)
isdn_timer_ctrl(ISDN_TIMER_NETHANGUP, 0);
- kfree(p->local);
+ free_netdev(p->dev);
kfree(p);
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-22 16:08:23 +0000