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path: root/drivers/net/wan/hdlc_fr.c
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Diffstat (limited to 'drivers/net/wan/hdlc_fr.c')
-rw-r--r--drivers/net/wan/hdlc_fr.c53
1 files changed, 25 insertions, 28 deletions
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 071a64cacd5c..c4ab0326f911 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -42,7 +42,6 @@
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/pkt_sched.h>
-#include <linux/random.h>
#include <linux/inetdevice.h>
#include <linux/lapb.h>
#include <linux/rtnetlink.h>
@@ -136,6 +135,10 @@ typedef struct pvc_device_struct {
}state;
}pvc_device;
+struct pvc_desc {
+ struct net_device_stats stats;
+ pvc_device *pvc;
+};
struct frad_state {
fr_proto settings;
@@ -171,17 +174,20 @@ static inline void dlci_to_q922(u8 *hdr, u16 dlci)
}
-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)
+static inline struct pvc_desc* pvcdev_to_desc(struct net_device *dev)
{
return dev->priv;
}
+static inline struct net_device_stats* pvc_get_stats(struct net_device *dev)
+{
+ return &pvcdev_to_desc(dev)->stats;
+}
static inline pvc_device* find_pvc(hdlc_device *hdlc, u16 dlci)
{
@@ -351,7 +357,7 @@ static int fr_hard_header(struct sk_buff **skb_p, u16 dlci)
static int pvc_open(struct net_device *dev)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = pvcdev_to_desc(dev)->pvc;
if ((pvc->frad->flags & IFF_UP) == 0)
return -EIO; /* Frad must be UP in order to activate PVC */
@@ -371,7 +377,7 @@ static int pvc_open(struct net_device *dev)
static int pvc_close(struct net_device *dev)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = pvcdev_to_desc(dev)->pvc;
if (--pvc->open_count == 0) {
hdlc_device *hdlc = dev_to_hdlc(pvc->frad);
@@ -390,7 +396,7 @@ static int pvc_close(struct net_device *dev)
static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = pvcdev_to_desc(dev)->pvc;
fr_proto_pvc_info info;
if (ifr->ifr_settings.type == IF_GET_PROTO) {
@@ -416,17 +422,9 @@ static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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)
{
- pvc_device *pvc = dev_to_pvc(dev);
+ pvc_device *pvc = pvcdev_to_desc(dev)->pvc;
struct net_device_stats *stats = pvc_get_stats(dev);
if (pvc->state.active) {
@@ -957,7 +955,7 @@ static int fr_rx(struct sk_buff *skb)
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
- dev_to_desc(frad)->stats.rx_dropped++;
+ dev_to_hdlc(frad)->stats.rx_dropped++;
return NET_RX_DROP;
}
@@ -1018,7 +1016,7 @@ static int fr_rx(struct sk_buff *skb)
}
rx_error:
- dev_to_desc(frad)->stats.rx_errors++; /* Mark error */
+ dev_to_hdlc(frad)->stats.rx_errors++; /* Mark error */
dev_kfree_skb_any(skb);
return NET_RX_DROP;
}
@@ -1109,11 +1107,10 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
used = pvc_is_used(pvc);
if (type == ARPHRD_ETHER)
- dev = alloc_netdev(sizeof(struct net_device_stats),
- "pvceth%d", ether_setup);
+ dev = alloc_netdev(sizeof(struct pvc_desc), "pvceth%d",
+ ether_setup);
else
- dev = alloc_netdev(sizeof(struct net_device_stats),
- "pvc%d", pvc_setup);
+ dev = alloc_netdev(sizeof(struct pvc_desc), "pvc%d", pvc_setup);
if (!dev) {
printk(KERN_WARNING "%s: Memory squeeze on fr_pvc()\n",
@@ -1122,10 +1119,9 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
return -ENOBUFS;
}
- if (type == ARPHRD_ETHER) {
- memcpy(dev->dev_addr, "\x00\x01", 2);
- get_random_bytes(dev->dev_addr + 2, ETH_ALEN - 2);
- } else {
+ if (type == ARPHRD_ETHER)
+ random_ether_addr(dev->dev_addr);
+ else {
*(__be16*)dev->dev_addr = htons(dlci);
dlci_to_q922(dev->broadcast, dlci);
}
@@ -1137,7 +1133,7 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
dev->change_mtu = pvc_change_mtu;
dev->mtu = HDLC_MAX_MTU;
dev->tx_queue_len = 0;
- dev->priv = pvc;
+ pvcdev_to_desc(dev)->pvc = pvc;
result = dev_alloc_name(dev, dev->name);
if (result < 0) {
@@ -1219,6 +1215,7 @@ static struct hdlc_proto proto = {
.stop = fr_stop,
.detach = fr_destroy,
.ioctl = fr_ioctl,
+ .netif_rx = fr_rx,
.module = THIS_MODULE,
};
@@ -1277,7 +1274,7 @@ static int fr_ioctl(struct net_device *dev, struct ifreq *ifr)
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;