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path: root/drivers/net/wan/hdlc.c
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Diffstat (limited to 'drivers/net/wan/hdlc.c')
-rw-r--r--drivers/net/wan/hdlc.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index 1f2a140c9f7..7596eae1b35 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -44,7 +44,7 @@ static const char* version = "HDLC support module revision 1.22";
static struct hdlc_proto *first_proto;
-static int hdlc_change_mtu(struct net_device *dev, int new_mtu)
+int hdlc_change_mtu(struct net_device *dev, int new_mtu)
{
if ((new_mtu < 68) || (new_mtu > HDLC_MAX_MTU))
return -EINVAL;
@@ -52,15 +52,6 @@ static int hdlc_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
-
-
-static struct net_device_stats *hdlc_get_stats(struct net_device *dev)
-{
- return &dev->stats;
-}
-
-
-
static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *p, struct net_device *orig_dev)
{
@@ -75,7 +66,15 @@ static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev,
return hdlc->proto->netif_rx(skb);
}
+int hdlc_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ hdlc_device *hdlc = dev_to_hdlc(dev);
+
+ if (hdlc->proto->xmit)
+ return hdlc->proto->xmit(skb, dev);
+ return hdlc->xmit(skb, dev); /* call hardware driver directly */
+}
static inline void hdlc_proto_start(struct net_device *dev)
{
@@ -102,11 +101,11 @@ static int hdlc_device_event(struct notifier_block *this, unsigned long event,
hdlc_device *hdlc;
unsigned long flags;
int on;
-
+
if (dev_net(dev) != &init_net)
return NOTIFY_DONE;
- if (dev->get_stats != hdlc_get_stats)
+ if (!(dev->priv_flags & IFF_WAN_HDLC))
return NOTIFY_DONE; /* not an HDLC device */
if (event != NETDEV_CHANGE)
@@ -233,15 +232,13 @@ static void hdlc_setup_dev(struct net_device *dev)
/* Re-init all variables changed by HDLC protocol drivers,
* including ether_setup() called from hdlc_raw_eth.c.
*/
- dev->get_stats = hdlc_get_stats;
dev->flags = IFF_POINTOPOINT | IFF_NOARP;
+ dev->priv_flags = IFF_WAN_HDLC;
dev->mtu = HDLC_MAX_MTU;
dev->type = ARPHRD_RAWHDLC;
dev->hard_header_len = 16;
dev->addr_len = 0;
dev->header_ops = &hdlc_null_ops;
-
- dev->change_mtu = hdlc_change_mtu;
}
static void hdlc_setup(struct net_device *dev)
@@ -339,6 +336,8 @@ MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
MODULE_DESCRIPTION("HDLC support module");
MODULE_LICENSE("GPL v2");
+EXPORT_SYMBOL(hdlc_change_mtu);
+EXPORT_SYMBOL(hdlc_start_xmit);
EXPORT_SYMBOL(hdlc_open);
EXPORT_SYMBOL(hdlc_close);
EXPORT_SYMBOL(hdlc_ioctl);
@@ -349,8 +348,8 @@ EXPORT_SYMBOL(unregister_hdlc_protocol);
EXPORT_SYMBOL(attach_hdlc_protocol);
EXPORT_SYMBOL(detach_hdlc_protocol);
-static struct packet_type hdlc_packet_type = {
- .type = __constant_htons(ETH_P_HDLC),
+static struct packet_type hdlc_packet_type __read_mostly = {
+ .type = cpu_to_be16(ETH_P_HDLC),
.func = hdlc_rcv,
};