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path: root/drivers/net/plip.c
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Diffstat (limited to 'drivers/net/plip.c')
-rw-r--r--drivers/net/plip.c83
1 files changed, 32 insertions, 51 deletions
diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index 8754cf3356b0..b5e9981d1060 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -148,13 +148,12 @@ static void plip_interrupt(int irq, void *dev_id);
/* Functions for DEV methods */
static int plip_tx_packet(struct sk_buff *skb, struct net_device *dev);
static int plip_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len);
-static int plip_hard_header_cache(struct neighbour *neigh,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len);
+static int plip_hard_header_cache(const struct neighbour *neigh,
struct hh_cache *hh);
static int plip_open(struct net_device *dev);
static int plip_close(struct net_device *dev);
-static struct net_device_stats *plip_get_stats(struct net_device *dev);
static int plip_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
static int plip_preempt(void *handle);
static void plip_wakeup(void *handle);
@@ -206,7 +205,6 @@ struct plip_local {
};
struct net_local {
- struct net_device_stats enet_stats;
struct net_device *dev;
struct work_struct immediate;
struct delayed_work deferred;
@@ -221,11 +219,6 @@ struct net_local {
int is_deferred;
int port_owner;
int should_relinquish;
- int (*orig_hard_header)(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len);
- int (*orig_hard_header_cache)(struct neighbour *neigh,
- struct hh_cache *hh);
spinlock_t lock;
atomic_t kill_timer;
struct semaphore killed_timer_sem;
@@ -267,6 +260,11 @@ static inline unsigned char read_status (struct net_device *dev)
return port->ops->read_status (port);
}
+static const struct header_ops plip_header_ops = {
+ .create = plip_hard_header,
+ .cache = plip_hard_header_cache,
+};
+
/* Entry point of PLIP driver.
Probe the hardware, and register/initialize the driver.
@@ -285,19 +283,13 @@ plip_init_netdev(struct net_device *dev)
dev->hard_start_xmit = plip_tx_packet;
dev->open = plip_open;
dev->stop = plip_close;
- dev->get_stats = plip_get_stats;
dev->do_ioctl = plip_ioctl;
- dev->header_cache_update = NULL;
+
dev->tx_queue_len = 10;
dev->flags = IFF_POINTOPOINT|IFF_NOARP;
memset(dev->dev_addr, 0xfc, ETH_ALEN);
- /* Set the private structure */
- nl->orig_hard_header = dev->hard_header;
- dev->hard_header = plip_hard_header;
-
- nl->orig_hard_header_cache = dev->hard_header_cache;
- dev->hard_header_cache = plip_hard_header_cache;
+ dev->header_ops = &plip_header_ops;
nl->port_owner = 0;
@@ -430,8 +422,8 @@ plip_bh_timeout_error(struct net_device *dev, struct net_local *nl,
dev->name, snd->state, c0);
} else
error = HS_TIMEOUT;
- nl->enet_stats.tx_errors++;
- nl->enet_stats.tx_aborted_errors++;
+ dev->stats.tx_errors++;
+ dev->stats.tx_aborted_errors++;
} else if (nl->connection == PLIP_CN_RECEIVE) {
if (rcv->state == PLIP_PK_TRIGGER) {
/* Transmission was interrupted. */
@@ -448,7 +440,7 @@ plip_bh_timeout_error(struct net_device *dev, struct net_local *nl,
printk(KERN_WARNING "%s: receive timeout(%d,%02x)\n",
dev->name, rcv->state, c0);
}
- nl->enet_stats.rx_dropped++;
+ dev->stats.rx_dropped++;
}
rcv->state = PLIP_PK_DONE;
if (rcv->skb) {
@@ -661,7 +653,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl,
&rcv->nibble, &rcv->data))
return TIMEOUT;
if (rcv->data != rcv->checksum) {
- nl->enet_stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
if (net_debug)
printk(KERN_DEBUG "%s: checksum error\n", dev->name);
return ERROR;
@@ -673,8 +665,8 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl,
rcv->skb->protocol=plip_type_trans(rcv->skb, dev);
netif_rx(rcv->skb);
dev->last_rx = jiffies;
- nl->enet_stats.rx_bytes += rcv->length.h;
- nl->enet_stats.rx_packets++;
+ dev->stats.rx_bytes += rcv->length.h;
+ dev->stats.rx_packets++;
rcv->skb = NULL;
if (net_debug > 2)
printk(KERN_DEBUG "%s: receive end\n", dev->name);
@@ -776,7 +768,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl,
if (nl->connection == PLIP_CN_RECEIVE) {
spin_unlock_irq(&nl->lock);
/* Interrupted. */
- nl->enet_stats.collisions++;
+ dev->stats.collisions++;
return OK;
}
c0 = read_status(dev);
@@ -792,7 +784,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl,
{enable,disable}_irq *counts*
them. -- AV */
ENABLE(dev->irq);
- nl->enet_stats.collisions++;
+ dev->stats.collisions++;
return OK;
}
disable_parport_interrupts (dev);
@@ -840,9 +832,9 @@ plip_send_packet(struct net_device *dev, struct net_local *nl,
&snd->nibble, snd->checksum))
return TIMEOUT;
- nl->enet_stats.tx_bytes += snd->skb->len;
+ dev->stats.tx_bytes += snd->skb->len;
dev_kfree_skb(snd->skb);
- nl->enet_stats.tx_packets++;
+ dev->stats.tx_packets++;
snd->state = PLIP_PK_DONE;
case PLIP_PK_DONE:
@@ -996,14 +988,14 @@ plip_tx_packet(struct sk_buff *skb, struct net_device *dev)
}
static void
-plip_rewrite_address(struct net_device *dev, struct ethhdr *eth)
+plip_rewrite_address(const struct net_device *dev, struct ethhdr *eth)
{
- struct in_device *in_dev;
+ const struct in_device *in_dev = dev->ip_ptr;
- if ((in_dev=dev->ip_ptr) != NULL) {
+ if (in_dev) {
/* Any address will do - we take the first */
- struct in_ifaddr *ifa=in_dev->ifa_list;
- if (ifa != NULL) {
+ const struct in_ifaddr *ifa = in_dev->ifa_list;
+ if (ifa) {
memcpy(eth->h_source, dev->dev_addr, 6);
memset(eth->h_dest, 0xfc, 2);
memcpy(eth->h_dest+2, &ifa->ifa_address, 4);
@@ -1013,26 +1005,25 @@ plip_rewrite_address(struct net_device *dev, struct ethhdr *eth)
static int
plip_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len)
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len)
{
- struct net_local *nl = netdev_priv(dev);
int ret;
- if ((ret = nl->orig_hard_header(skb, dev, type, daddr, saddr, len)) >= 0)
+ ret = eth_header(skb, dev, type, daddr, saddr, len);
+ if (ret >= 0)
plip_rewrite_address (dev, (struct ethhdr *)skb->data);
return ret;
}
-int plip_hard_header_cache(struct neighbour *neigh,
+int plip_hard_header_cache(const struct neighbour *neigh,
struct hh_cache *hh)
{
- struct net_local *nl = neigh->dev->priv;
int ret;
- if ((ret = nl->orig_hard_header_cache(neigh, hh)) == 0)
- {
+ ret = eth_header_cache(neigh, hh);
+ if (ret == 0) {
struct ethhdr *eth;
eth = (struct ethhdr*)(((u8*)hh->hh_data) +
@@ -1199,15 +1190,6 @@ plip_wakeup(void *handle)
return;
}
-static struct net_device_stats *
-plip_get_stats(struct net_device *dev)
-{
- struct net_local *nl = netdev_priv(dev);
- struct net_device_stats *r = &nl->enet_stats;
-
- return r;
-}
-
static int
plip_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
@@ -1278,7 +1260,6 @@ static void plip_attach (struct parport *port)
strcpy(dev->name, name);
- SET_MODULE_OWNER(dev);
dev->irq = port->irq;
dev->base_addr = port->base;
if (port->irq == -1) {
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-20 00:03:04 +0000