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path: root/drivers/net/slip.c
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Diffstat (limited to 'drivers/net/slip.c')
-rw-r--r--drivers/net/slip.c93
1 files changed, 47 insertions, 46 deletions
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index fa434fb8fb7..86cbb9ea2f2 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -271,7 +271,7 @@ static int sl_realloc_bufs(struct slip *sl, int mtu)
memcpy(sl->xbuff, sl->xhead, sl->xleft);
} else {
sl->xleft = 0;
- sl->tx_dropped++;
+ dev->stats.tx_dropped++;
}
}
sl->xhead = sl->xbuff;
@@ -281,7 +281,7 @@ static int sl_realloc_bufs(struct slip *sl, int mtu)
memcpy(sl->rbuff, rbuff, sl->rcount);
} else {
sl->rcount = 0;
- sl->rx_over_errors++;
+ dev->stats.rx_over_errors++;
set_bit(SLF_ERROR, &sl->flags);
}
}
@@ -319,6 +319,7 @@ static inline void sl_unlock(struct slip *sl)
/* Send one completely decapsulated IP datagram to the IP layer. */
static void sl_bump(struct slip *sl)
{
+ struct net_device *dev = sl->dev;
struct sk_buff *skb;
int count;
@@ -329,13 +330,13 @@ static void sl_bump(struct slip *sl)
if (c & SL_TYPE_COMPRESSED_TCP) {
/* ignore compressed packets when CSLIP is off */
if (!(sl->mode & SL_MODE_CSLIP)) {
- printk(KERN_WARNING "%s: compressed packet ignored\n", sl->dev->name);
+ printk(KERN_WARNING "%s: compressed packet ignored\n", dev->name);
return;
}
/* make sure we've reserved enough space for uncompress
to use */
if (count + 80 > sl->buffsize) {
- sl->rx_over_errors++;
+ dev->stats.rx_over_errors++;
return;
}
count = slhc_uncompress(sl->slcomp, sl->rbuff, count);
@@ -346,7 +347,7 @@ static void sl_bump(struct slip *sl)
/* turn on header compression */
sl->mode |= SL_MODE_CSLIP;
sl->mode &= ~SL_MODE_ADAPTIVE;
- printk(KERN_INFO "%s: header compression turned on\n", sl->dev->name);
+ printk(KERN_INFO "%s: header compression turned on\n", dev->name);
}
sl->rbuff[0] &= 0x4f;
if (slhc_remember(sl->slcomp, sl->rbuff, count) <= 0)
@@ -355,20 +356,20 @@ static void sl_bump(struct slip *sl)
}
#endif /* SL_INCLUDE_CSLIP */
- sl->rx_bytes += count;
+ dev->stats.rx_bytes += count;
skb = dev_alloc_skb(count);
if (skb == NULL) {
- printk(KERN_WARNING "%s: memory squeeze, dropping packet.\n", sl->dev->name);
- sl->rx_dropped++;
+ printk(KERN_WARNING "%s: memory squeeze, dropping packet.\n", dev->name);
+ dev->stats.rx_dropped++;
return;
}
- skb->dev = sl->dev;
+ skb->dev = dev;
memcpy(skb_put(skb, count), sl->rbuff, count);
skb_reset_mac_header(skb);
skb->protocol = htons(ETH_P_IP);
netif_rx(skb);
- sl->rx_packets++;
+ dev->stats.rx_packets++;
}
/* Encapsulate one IP datagram and stuff into a TTY queue. */
@@ -379,7 +380,7 @@ static void sl_encaps(struct slip *sl, unsigned char *icp, int len)
if (len > sl->mtu) { /* Sigh, shouldn't occur BUT ... */
printk(KERN_WARNING "%s: truncating oversized transmit packet!\n", sl->dev->name);
- sl->tx_dropped++;
+ sl->dev->stats.tx_dropped++;
sl_unlock(sl);
return;
}
@@ -433,7 +434,7 @@ static void slip_write_wakeup(struct tty_struct *tty)
if (sl->xleft <= 0) {
/* Now serial buffer is almost free & we can start
* transmission of another packet */
- sl->tx_packets++;
+ sl->dev->stats.tx_packets++;
clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
sl_unlock(sl);
return;
@@ -496,7 +497,7 @@ sl_xmit(struct sk_buff *skb, struct net_device *dev)
}
sl_lock(sl);
- sl->tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
sl_encaps(sl, skb->data, skb->len);
spin_unlock(&sl->lock);
@@ -558,39 +559,39 @@ static int sl_change_mtu(struct net_device *dev, int new_mtu)
/* Netdevice get statistics request */
-static struct net_device_stats *
-sl_get_stats(struct net_device *dev)
+static struct rtnl_link_stats64 *
+sl_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
- static struct net_device_stats stats;
- struct slip *sl = netdev_priv(dev);
+ struct net_device_stats *devstats = &dev->stats;
+ unsigned long c_rx_dropped = 0;
#ifdef SL_INCLUDE_CSLIP
- struct slcompress *comp;
-#endif
+ unsigned long c_rx_fifo_errors = 0;
+ unsigned long c_tx_fifo_errors = 0;
+ unsigned long c_collisions = 0;
+ struct slip *sl = netdev_priv(dev);
+ struct slcompress *comp = sl->slcomp;
- memset(&stats, 0, sizeof(struct net_device_stats));
-
- stats.rx_packets = sl->rx_packets;
- stats.tx_packets = sl->tx_packets;
- stats.rx_bytes = sl->rx_bytes;
- stats.tx_bytes = sl->tx_bytes;
- stats.rx_dropped = sl->rx_dropped;
- stats.tx_dropped = sl->tx_dropped;
- stats.tx_errors = sl->tx_errors;
- stats.rx_errors = sl->rx_errors;
- stats.rx_over_errors = sl->rx_over_errors;
-#ifdef SL_INCLUDE_CSLIP
- stats.rx_fifo_errors = sl->rx_compressed;
- stats.tx_fifo_errors = sl->tx_compressed;
- stats.collisions = sl->tx_misses;
- comp = sl->slcomp;
if (comp) {
- stats.rx_fifo_errors += comp->sls_i_compressed;
- stats.rx_dropped += comp->sls_i_tossed;
- stats.tx_fifo_errors += comp->sls_o_compressed;
- stats.collisions += comp->sls_o_misses;
+ c_rx_fifo_errors = comp->sls_i_compressed;
+ c_rx_dropped = comp->sls_i_tossed;
+ c_tx_fifo_errors = comp->sls_o_compressed;
+ c_collisions = comp->sls_o_misses;
}
-#endif /* CONFIG_INET */
- return (&stats);
+ stats->rx_fifo_errors = sl->rx_compressed + c_rx_fifo_errors;
+ stats->tx_fifo_errors = sl->tx_compressed + c_tx_fifo_errors;
+ stats->collisions = sl->tx_misses + c_collisions;
+#endif
+ stats->rx_packets = devstats->rx_packets;
+ stats->tx_packets = devstats->tx_packets;
+ stats->rx_bytes = devstats->rx_bytes;
+ stats->tx_bytes = devstats->tx_bytes;
+ stats->rx_dropped = devstats->rx_dropped + c_rx_dropped;
+ stats->tx_dropped = devstats->tx_dropped;
+ stats->tx_errors = devstats->tx_errors;
+ stats->rx_errors = devstats->rx_errors;
+ stats->rx_over_errors = devstats->rx_over_errors;
+
+ return stats;
}
/* Netdevice register callback */
@@ -633,7 +634,7 @@ static const struct net_device_ops sl_netdev_ops = {
.ndo_open = sl_open,
.ndo_stop = sl_close,
.ndo_start_xmit = sl_xmit,
- .ndo_get_stats = sl_get_stats,
+ .ndo_get_stats64 = sl_get_stats64,
.ndo_change_mtu = sl_change_mtu,
.ndo_tx_timeout = sl_tx_timeout,
#ifdef CONFIG_SLIP_SMART
@@ -681,7 +682,7 @@ static void slip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
while (count--) {
if (fp && *fp++) {
if (!test_and_set_bit(SLF_ERROR, &sl->flags))
- sl->rx_errors++;
+ sl->dev->stats.rx_errors++;
cp++;
continue;
}
@@ -943,7 +944,7 @@ static int slip_esc(unsigned char *s, unsigned char *d, int len)
}
}
*ptr++ = END;
- return (ptr - d);
+ return ptr - d;
}
static void slip_unesc(struct slip *sl, unsigned char s)
@@ -981,7 +982,7 @@ static void slip_unesc(struct slip *sl, unsigned char s)
sl->rbuff[sl->rcount++] = s;
return;
}
- sl->rx_over_errors++;
+ sl->dev->stats.rx_over_errors++;
set_bit(SLF_ERROR, &sl->flags);
}
}
@@ -1057,7 +1058,7 @@ static void slip_unesc6(struct slip *sl, unsigned char s)
sl->rbuff[sl->rcount++] = c;
return;
}
- sl->rx_over_errors++;
+ sl->dev->stats.rx_over_errors++;
set_bit(SLF_ERROR, &sl->flags);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 01:31:11 +0000