1 files changed, 12 insertions, 8 deletions

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 486b4048850..33f8c51968b 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -32,7 +32,7 @@
 #include <linux/poll.h>
 #include <linux/ppp_defs.h>
 #include <linux/filter.h>
-#include <linux/if_ppp.h>
+#include <linux/ppp-ioctl.h>
 #include <linux/ppp_channel.h>
 #include <linux/ppp-comp.h>
 #include <linux/skbuff.h>
@@ -235,7 +235,7 @@ struct ppp_net {
 /* Prototypes. */
 static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
 			struct file *file, unsigned int cmd, unsigned long arg);
-static void ppp_xmit_process(struct ppp *ppp);
+static int ppp_xmit_process(struct ppp *ppp);
 static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb);
 static void ppp_push(struct ppp *ppp);
 static void ppp_channel_push(struct channel *pch);
@@ -968,9 +968,9 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	proto = npindex_to_proto[npi];
 	put_unaligned_be16(proto, pp);
 
-	netif_stop_queue(dev);
 	skb_queue_tail(&ppp->file.xq, skb);
-	ppp_xmit_process(ppp);
+	if (!ppp_xmit_process(ppp))
+		netif_stop_queue(dev);
 	return NETDEV_TX_OK;
 
  outf:
@@ -1031,7 +1031,7 @@ static void ppp_setup(struct net_device *dev)
 {
 	dev->netdev_ops = &ppp_netdev_ops;
 	dev->hard_header_len = PPP_HDRLEN;
-	dev->mtu = PPP_MTU;
+	dev->mtu = PPP_MRU;
 	dev->addr_len = 0;
 	dev->tx_queue_len = 3;
 	dev->type = ARPHRD_PPP;
@@ -1048,10 +1048,11 @@ static void ppp_setup(struct net_device *dev)
  * Called to do any work queued up on the transmit side
  * that can now be done.
  */
-static void
+static int
 ppp_xmit_process(struct ppp *ppp)
 {
 	struct sk_buff *skb;
+	int ret = 0;
 
 	ppp_xmit_lock(ppp);
 	if (!ppp->closing) {
@@ -1061,10 +1062,13 @@ ppp_xmit_process(struct ppp *ppp)
 			ppp_send_frame(ppp, skb);
 		/* If there's no work left to do, tell the core net
 		   code that we can accept some more. */
-		if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq))
+		if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq)) {
 			netif_wake_queue(ppp->dev);
+			ret = 1;
+		}
 	}
 	ppp_xmit_unlock(ppp);
+	return ret;
 }
 
 static inline struct sk_buff *
@@ -2136,7 +2140,7 @@ ppp_mp_reconstruct(struct ppp *ppp)
 
 				skb->len += p->len;
 				skb->data_len += p->len;
-				skb->truesize += p->len;
+				skb->truesize += p->truesize;
 
 				if (p == tail)
 					break;