*/
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/poll.h>
#include <linux/errno.h>
+#include <linux/etherdevice.h>
+#include <linux/hdlc.h>
#include <linux/if_arp.h>
+#include <linux/inetdevice.h>
#include <linux/init.h>
-#include <linux/skbuff.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/pkt_sched.h>
-#include <linux/random.h>
-#include <linux/inetdevice.h>
-#include <linux/lapb.h>
+#include <linux/poll.h>
#include <linux/rtnetlink.h>
-#include <linux/etherdevice.h>
-#include <linux/hdlc.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
#undef DEBUG_PKT
#undef DEBUG_ECN
unsigned ea1: 1;
unsigned cr: 1;
unsigned dlcih: 6;
-
+
unsigned ea2: 1;
unsigned de: 1;
unsigned becn: 1;
}state;
}pvc_device;
-
struct frad_state {
fr_proto settings;
pvc_device *first_pvc;
}
-static inline struct frad_state * state(hdlc_device *hdlc)
+static inline struct frad_state* state(hdlc_device *hdlc)
{
return(struct frad_state *)(hdlc->state);
}
-static __inline__ pvc_device* dev_to_pvc(struct net_device *dev)
-{
- return dev->priv;
-}
-
-
static inline pvc_device* find_pvc(hdlc_device *hdlc, u16 dlci)
{
pvc_device *pvc = state(hdlc)->first_pvc;
pvc_p = &(*pvc_p)->next;
}
- pvc = kmalloc(sizeof(pvc_device), GFP_ATOMIC);
+ pvc = kzalloc(sizeof(pvc_device), GFP_ATOMIC);
#ifdef DEBUG_PVC
printk(KERN_DEBUG "add_pvc: allocated pvc %p, frad %p\n", pvc, dev);
#endif
if (!pvc)
return NULL;
- memset(pvc, 0, sizeof(pvc_device));
pvc->dlci = dlci;
pvc->frad = dev;
pvc->next = *pvc_p; /* Put it in the chain */
struct sk_buff *skb = *skb_p;
switch (skb->protocol) {
- case __constant_ntohs(NLPID_CCITT_ANSI_LMI):
+ case cpu_to_be16(NLPID_CCITT_ANSI_LMI):
head_len = 4;
skb_push(skb, head_len);
skb->data[3] = NLPID_CCITT_ANSI_LMI;
break;
- case __constant_ntohs(NLPID_CISCO_LMI):
+ case cpu_to_be16(NLPID_CISCO_LMI):
head_len = 4;
skb_push(skb, head_len);
skb->data[3] = NLPID_CISCO_LMI;
break;
- case __constant_ntohs(ETH_P_IP):
+ case cpu_to_be16(ETH_P_IP):
head_len = 4;
skb_push(skb, head_len);
skb->data[3] = NLPID_IP;
break;
- case __constant_ntohs(ETH_P_IPV6):
+ case cpu_to_be16(ETH_P_IPV6):
head_len = 4;
skb_push(skb, head_len);
skb->data[3] = NLPID_IPV6;
break;
- case __constant_ntohs(ETH_P_802_3):
+ case cpu_to_be16(ETH_P_802_3):
head_len = 10;
if (skb_headroom(skb) < head_len) {
struct sk_buff *skb2 = skb_realloc_headroom(skb,
skb->data[5] = FR_PAD;
skb->data[6] = FR_PAD;
skb->data[7] = FR_PAD;
- *(u16*)(skb->data + 8) = skb->protocol;
+ *(__be16*)(skb->data + 8) = skb->protocol;
}
dlci_to_q922(skb->data, dlci);
static int pvc_open(struct net_device *dev)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = dev->ml_priv;
if ((pvc->frad->flags & IFF_UP) == 0)
return -EIO; /* Frad must be UP in order to activate PVC */
static int pvc_close(struct net_device *dev)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = dev->ml_priv;
if (--pvc->open_count == 0) {
hdlc_device *hdlc = dev_to_hdlc(pvc->frad);
static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = dev->ml_priv;
fr_proto_pvc_info info;
if (ifr->ifr_settings.type == IF_GET_PROTO) {
return -EINVAL;
}
-
-static inline struct net_device_stats *pvc_get_stats(struct net_device *dev)
-{
- return &dev_to_desc(dev)->stats;
-}
-
-
-
-static int pvc_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev)
{
- pvc_device *pvc = dev_to_pvc(dev);
- struct net_device_stats *stats = pvc_get_stats(dev);
+ pvc_device *pvc = dev->ml_priv;
if (pvc->state.active) {
if (dev->type == ARPHRD_ETHER) {
if (skb_tailroom(skb) < pad)
if (pskb_expand_head(skb, 0, pad,
GFP_ATOMIC)) {
- stats->tx_dropped++;
+ dev->stats.tx_dropped++;
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
skb_put(skb, pad);
memset(skb->data + len, 0, pad);
}
- skb->protocol = __constant_htons(ETH_P_802_3);
+ skb->protocol = cpu_to_be16(ETH_P_802_3);
}
if (!fr_hard_header(&skb, pvc->dlci)) {
- stats->tx_bytes += skb->len;
- stats->tx_packets++;
+ dev->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
if (pvc->state.fecn) /* TX Congestion counter */
- stats->tx_compressed++;
+ dev->stats.tx_compressed++;
skb->dev = pvc->frad;
dev_queue_xmit(skb);
- return 0;
+ return NETDEV_TX_OK;
}
}
- stats->tx_dropped++;
+ dev->stats.tx_dropped++;
dev_kfree_skb(skb);
- return 0;
-}
-
-
-
-static int pvc_change_mtu(struct net_device *dev, int new_mtu)
-{
- if ((new_mtu < 68) || (new_mtu > HDLC_MAX_MTU))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
+ return NETDEV_TX_OK;
}
-
-
static inline void fr_log_dlci_active(pvc_device *pvc)
{
printk(KERN_INFO "%s: DLCI %d [%s%s%s]%s %s\n",
memset(skb->data, 0, len);
skb_reserve(skb, 4);
if (lmi == LMI_CISCO) {
- skb->protocol = __constant_htons(NLPID_CISCO_LMI);
+ skb->protocol = cpu_to_be16(NLPID_CISCO_LMI);
fr_hard_header(&skb, LMI_CISCO_DLCI);
} else {
- skb->protocol = __constant_htons(NLPID_CCITT_ANSI_LMI);
+ skb->protocol = cpu_to_be16(NLPID_CCITT_ANSI_LMI);
fr_hard_header(&skb, LMI_CCITT_ANSI_DLCI);
}
- data = skb->tail;
+ data = skb_tail_pointer(skb);
data[i++] = LMI_CALLREF;
data[i++] = dce ? LMI_STATUS : LMI_STATUS_ENQUIRY;
if (lmi == LMI_ANSI)
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
- dev_to_desc(frad)->stats.rx_dropped++;
+ frad->stats.rx_dropped++;
return NET_RX_DROP;
}
} else if (skb->len > 10 && data[3] == FR_PAD &&
data[4] == NLPID_SNAP && data[5] == FR_PAD) {
- u16 oui = ntohs(*(u16*)(data + 6));
- u16 pid = ntohs(*(u16*)(data + 8));
+ u16 oui = ntohs(*(__be16*)(data + 6));
+ u16 pid = ntohs(*(__be16*)(data + 8));
skb_pull(skb, 10);
switch ((((u32)oui) << 16) | pid) {
}
if (dev) {
- struct net_device_stats *stats = pvc_get_stats(dev);
- stats->rx_packets++; /* PVC traffic */
- stats->rx_bytes += skb->len;
+ dev->stats.rx_packets++; /* PVC traffic */
+ dev->stats.rx_bytes += skb->len;
if (pvc->state.becn)
- stats->rx_compressed++;
+ dev->stats.rx_compressed++;
+ skb->dev = dev;
netif_rx(skb);
return NET_RX_SUCCESS;
} else {
}
rx_error:
- dev_to_desc(frad)->stats.rx_errors++; /* Mark error */
+ frad->stats.rx_errors++; /* Mark error */
dev_kfree_skb_any(skb);
return NET_RX_DROP;
}
dev->flags = IFF_POINTOPOINT;
dev->hard_header_len = 10;
dev->addr_len = 2;
+ dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
}
+static const struct net_device_ops pvc_ops = {
+ .ndo_open = pvc_open,
+ .ndo_stop = pvc_close,
+ .ndo_change_mtu = hdlc_change_mtu,
+ .ndo_start_xmit = pvc_xmit,
+ .ndo_do_ioctl = pvc_ioctl,
+};
+
static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
{
hdlc_device *hdlc = dev_to_hdlc(frad);
- pvc_device *pvc = NULL;
+ pvc_device *pvc;
struct net_device *dev;
int result, used;
- char * prefix = "pvc%d";
-
- if (type == ARPHRD_ETHER)
- prefix = "pvceth%d";
if ((pvc = add_pvc(frad, dlci)) == NULL) {
printk(KERN_WARNING "%s: Memory squeeze on fr_add_pvc()\n",
used = pvc_is_used(pvc);
if (type == ARPHRD_ETHER)
- dev = alloc_netdev(sizeof(struct net_device_stats),
- "pvceth%d", ether_setup);
+ dev = alloc_netdev(0, "pvceth%d", ether_setup);
else
- dev = alloc_netdev(sizeof(struct net_device_stats),
- "pvc%d", pvc_setup);
+ dev = alloc_netdev(0, "pvc%d", pvc_setup);
if (!dev) {
printk(KERN_WARNING "%s: Memory squeeze on fr_pvc()\n",
return -ENOBUFS;
}
- if (type == ARPHRD_ETHER) {
- memcpy(dev->dev_addr, "\x00\x01", 2);
- get_random_bytes(dev->dev_addr + 2, ETH_ALEN - 2);
- } else {
- *(u16*)dev->dev_addr = htons(dlci);
+ if (type == ARPHRD_ETHER)
+ random_ether_addr(dev->dev_addr);
+ else {
+ *(__be16*)dev->dev_addr = htons(dlci);
dlci_to_q922(dev->broadcast, dlci);
}
- dev->hard_start_xmit = pvc_xmit;
- dev->get_stats = pvc_get_stats;
- dev->open = pvc_open;
- dev->stop = pvc_close;
- dev->do_ioctl = pvc_ioctl;
- dev->change_mtu = pvc_change_mtu;
+ dev->netdev_ops = &pvc_ops;
dev->mtu = HDLC_MAX_MTU;
dev->tx_queue_len = 0;
- dev->priv = pvc;
+ dev->ml_priv = pvc;
result = dev_alloc_name(dev, dev->name);
if (result < 0) {
.stop = fr_stop,
.detach = fr_destroy,
.ioctl = fr_ioctl,
+ .netif_rx = fr_rx,
.module = THIS_MODULE,
};
return result;
if (dev_to_hdlc(dev)->proto != &proto) { /* Different proto */
- result = attach_hdlc_protocol(dev, &proto, fr_rx,
+ result = attach_hdlc_protocol(dev, &proto,
sizeof(struct frad_state));
if (result)
return result;
state(hdlc)->dce_pvc_count = 0;
}
memcpy(&state(hdlc)->settings, &new_settings, size);
-
- dev->hard_start_xmit = hdlc->xmit;
dev->type = ARPHRD_FRAD;
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff