12 files changed, 43 insertions, 100 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 5f800a6dd978..cb581ebbe3c5 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -136,10 +136,11 @@ config TUN
           If you don't know what to use this for, you don't need it.
 
 config VETH
-        tristate "Virtual ethernet device"
+        tristate "Virtual ethernet pair device"
         ---help---
-          The device is an ethernet tunnel. Devices are created in pairs. When
-          one end receives the packet it appears on its pair and vice versa.
+          This device is a local ethernet tunnel. Devices are created in pairs.
+          When one end receives the packet it appears on its pair and vice
+          versa.
 
 config NET_SB1000
         tristate "General Instruments Surfboard 1000"
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index e0119f6a3319..580cb4ab2af1 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -762,26 +762,20 @@ static int sixpack_ioctl(struct tty_struct *tty, struct file *file,
 
                 if (copy_from_user(&addr,
                                    (void __user *) arg, AX25_ADDR_LEN)) {
-                        err = -EFAULT;
-                        break;
-                }
+                                err = -EFAULT;
+                                break;
+                        }
 
-                netif_tx_lock_bh(dev);
-                memcpy(dev->dev_addr, &addr, AX25_ADDR_LEN);
-                netif_tx_unlock_bh(dev);
+                        netif_tx_lock_bh(dev);
+                        memcpy(dev->dev_addr, &addr, AX25_ADDR_LEN);
+                        netif_tx_unlock_bh(dev);
 
-                err = 0;
-                break;
-        }
-
-        /* Allow stty to read, but not set, the serial port */
-        case TCGETS:
-        case TCGETA:
-                err = n_tty_ioctl(tty, (struct file *) file, cmd, arg);
-                break;
+                        err = 0;
+                        break;
+                }
 
         default:
-                err = -ENOIOCTLCMD;
+                err = tty_mode_ioctl(tty, file, cmd, arg);
         }
 
         sp_put(sp);
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index 2c6f7be36e8a..fc753d7f674e 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -434,11 +434,6 @@ static int irtty_ioctl(struct tty_struct *tty, struct file *file, unsigned int c
         IRDA_ASSERT(dev != NULL, return -1;);
 
         switch (cmd) {
-        case TCGETS:
-        case TCGETA:
-                err = n_tty_ioctl(tty, file, cmd, arg);
-                break;
-
         case IRTTY_IOCTDONGLE:
                 /* this call blocks for completion */
                 err = sirdev_set_dongle(dev, (IRDA_DONGLE) arg);
@@ -454,7 +449,7 @@ static int irtty_ioctl(struct tty_struct *tty, struct file *file, unsigned int c
                         err = -EFAULT;
                 break;
         default:
-                err = -ENOIOCTLCMD;
+                err = tty_mode_ioctl(tty, file, cmd, arg);
                 break;
         }
         return err;
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 27f5b904f48e..8d278c87ba48 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -309,16 +309,11 @@ ppp_asynctty_ioctl(struct tty_struct *tty, struct file *file,
                 err = 0;
                 break;
 
-        case TCGETS:
-        case TCGETA:
-                err = n_tty_ioctl(tty, file, cmd, arg);
-                break;
-
         case TCFLSH:
                 /* flush our buffers and the serial port's buffer */
                 if (arg == TCIOFLUSH || arg == TCOFLUSH)
                         ppp_async_flush_output(ap);
-                err = n_tty_ioctl(tty, file, cmd, arg);
+                err = tty_perform_flush(tty, arg);
                 break;
 
         case FIONREAD:
@@ -329,7 +324,8 @@ ppp_asynctty_ioctl(struct tty_struct *tty, struct file *file,
                 break;
 
         default:
-                err = -ENOIOCTLCMD;
+                /* Try the various mode ioctls */
+                err = tty_mode_ioctl(tty, file, cmd, arg);
         }
 
         ap_put(ap);
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index ce64032a465a..00e2fb48b4ae 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -349,16 +349,11 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
                 err = 0;
                 break;
 
-        case TCGETS:
-        case TCGETA:
-                err = n_tty_ioctl(tty, file, cmd, arg);
-                break;
-
         case TCFLSH:
                 /* flush our buffers and the serial port's buffer */
                 if (arg == TCIOFLUSH || arg == TCOFLUSH)
                         ppp_sync_flush_output(ap);
-                err = n_tty_ioctl(tty, file, cmd, arg);
+                err = tty_perform_flush(tty, arg);
                 break;
 
         case FIONREAD:
@@ -369,7 +364,8 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
                 break;
 
         default:
-                err = -ENOIOCTLCMD;
+                err = tty_mode_ioctl(tty, file, cmd, arg);
+                break;
         }
 
         sp_put(ap);
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index f8904fd92369..a7556cd2df79 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -488,7 +488,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
 {
         struct pppol2tp_session *session = NULL;
         struct pppol2tp_tunnel *tunnel;
-        unsigned char *ptr;
+        unsigned char *ptr, *optr;
         u16 hdrflags;
         u16 tunnel_id, session_id;
         int length;
@@ -496,7 +496,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
 
         tunnel = pppol2tp_sock_to_tunnel(sock);
         if (tunnel == NULL)
-                goto error;
+                goto no_tunnel;
 
         /* UDP always verifies the packet length. */
         __skb_pull(skb, sizeof(struct udphdr));
@@ -509,7 +509,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
         }
 
         /* Point to L2TP header */
-        ptr = skb->data;
+        optr = ptr = skb->data;
 
         /* Get L2TP header flags */
         hdrflags = ntohs(*(__be16*)ptr);
@@ -637,12 +637,14 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
         /* If offset bit set, skip it. */
         if (hdrflags & L2TP_HDRFLAG_O) {
                 offset = ntohs(*(__be16 *)ptr);
-                skb->transport_header += 2 + offset;
-                if (!pskb_may_pull(skb, skb_transport_offset(skb) + 2))
-                        goto discard;
+                ptr += 2 + offset;
         }
 
-        __skb_pull(skb, skb_transport_offset(skb));
+        offset = ptr - optr;
+        if (!pskb_may_pull(skb, offset))
+                goto discard;
+
+        __skb_pull(skb, offset);
 
         /* Skip PPP header, if present.  In testing, Microsoft L2TP clients
          * don't send the PPP header (PPP header compression enabled), but
@@ -652,6 +654,9 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
          * Note that skb->data[] isn't dereferenced from a u16 ptr here since
          * the field may be unaligned.
          */
+        if (!pskb_may_pull(skb, 2))
+                goto discard;
+
         if ((skb->data[0] == 0xff) && (skb->data[1] == 0x03))
                 skb_pull(skb, 2);
 
@@ -709,6 +714,10 @@ discard:
         return 0;
 
 error:
+        /* Put UDP header back */
+        __skb_push(skb, sizeof(struct udphdr));
+
+no_tunnel:
         return 1;
 }
 
@@ -1050,6 +1059,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
         /* Get routing info from the tunnel socket */
         dst_release(skb->dst);
         skb->dst = sk_dst_get(sk_tun);
+        skb_orphan(skb);
+        skb->sk = sk_tun;
 
         /* Queue the packet to IP for output */
         len = skb->len;
diff --git a/drivers/net/rrunner.c b/drivers/net/rrunner.c
index b822859c8de3..73a7e6529ee0 100644
--- a/drivers/net/rrunner.c
+++ b/drivers/net/rrunner.c
@@ -78,12 +78,6 @@ static char version[] __devinitdata = "rrunner.c: v0.50 11/11/2002  Jes Sorensen
  * stack will need to know about I/O vectors or something similar.
  */
 
-/*
- * sysctl_[wr]mem_max are checked at init time to see if they are at
- * least 256KB and increased to 256KB if they are not. This is done to
- * avoid ending up with socket buffers smaller than the MTU size,
- */
-
 static int __devinit rr_init_one(struct pci_dev *pdev,
         const struct pci_device_id *ent)
 {
@@ -561,18 +555,6 @@ static int __devinit rr_init(struct net_device *dev)
         sram_size = rr_read_eeprom_word(rrpriv, (void *)8);
         printk("  SRAM size 0x%06x\n", sram_size);
 
-        if (sysctl_rmem_max < 262144){
-                printk("  Receive socket buffer limit too low (%i), "
-                       "setting to 262144\n", sysctl_rmem_max);
-                sysctl_rmem_max = 262144;
-        }
-
-        if (sysctl_wmem_max < 262144){
-                printk("  Transmit socket buffer limit too low (%i), "
-                       "setting to 262144\n", sysctl_wmem_max);
-                sysctl_wmem_max = 262144;
-        }
-
         return 0;
 }
 
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 335b7cc80eba..251a3ce376ac 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -1218,14 +1218,8 @@ static int slip_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm
                 return 0;
         /* VSV changes end */
 #endif
-
-        /* Allow stty to read, but not set, the serial port */
-        case TCGETS:
-        case TCGETA:
-                return n_tty_ioctl(tty, file, cmd, arg);
-
         default:
-                return -ENOIOCTLCMD;
+                return tty_mode_ioctl(tty, file, cmd, arg);
         }
 }
 
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 5a96d74e4ce8..a12c9c41b217 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -93,13 +93,9 @@ config USB_RTL8150
           To compile this driver as a module, choose M here: the
           module will be called rtl8150.
 
-config USB_USBNET_MII
-        tristate
-        default n
-
 config USB_USBNET
         tristate "Multi-purpose USB Networking Framework"
-        select MII if USB_USBNET_MII != n
+        select MII
         ---help---
           This driver supports several kinds of network links over USB,
           with "minidrivers" built around a common network driver core
@@ -135,7 +131,6 @@ config USB_NET_AX8817X
         tristate "ASIX AX88xxx Based USB 2.0 Ethernet Adapters"
         depends on USB_USBNET && NET_ETHERNET
         select CRC32
-        select USB_USBNET_MII
         default y
         help
           This option adds support for ASIX AX88xxx based USB 2.0
@@ -190,7 +185,6 @@ config USB_NET_DM9601
         tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices"
         depends on USB_USBNET
         select CRC32
-        select USB_USBNET_MII
         help
           This option adds support for Davicom DM9601 based USB 1.1
           10/100 Ethernet adapters.
@@ -225,7 +219,6 @@ config USB_NET_PLUSB
 config USB_NET_MCS7830
         tristate "MosChip MCS7830 based Ethernet adapters"
         depends on USB_USBNET
-        select USB_USBNET_MII
         help
           Choose this option if you're using a 10/100 Ethernet USB2
           adapter based on the MosChip 7830 controller. This includes
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index acd5f1c0e63a..8ed1fc5cbc70 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -683,9 +683,6 @@ done_nopm:
  * they'll probably want to use this base set.
  */
 
-#if defined(CONFIG_MII) || defined(CONFIG_MII_MODULE)
-#define HAVE_MII
-
 int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd)
 {
         struct usbnet *dev = netdev_priv(net);
@@ -744,8 +741,6 @@ int usbnet_nway_reset(struct net_device *net)
 }
 EXPORT_SYMBOL_GPL(usbnet_nway_reset);
 
-#endif  /* HAVE_MII */
-
 void usbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
 {
         struct usbnet *dev = netdev_priv(net);
@@ -776,12 +771,10 @@ EXPORT_SYMBOL_GPL(usbnet_set_msglevel);
 
 /* drivers may override default ethtool_ops in their bind() routine */
 static struct ethtool_ops usbnet_ethtool_ops = {
-#ifdef  HAVE_MII
         .get_settings           = usbnet_get_settings,
         .set_settings           = usbnet_set_settings,
         .get_link               = usbnet_get_link,
         .nway_reset             = usbnet_nway_reset,
-#endif
         .get_drvinfo            = usbnet_get_drvinfo,
         .get_msglevel           = usbnet_get_msglevel,
         .set_msglevel           = usbnet_set_msglevel,
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index c48b1cc63fd5..1e89d4de1bb7 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -719,12 +719,8 @@ static int x25_asy_ioctl(struct tty_struct *tty, struct file *file,
                 return 0;
         case SIOCSIFHWADDR:
                 return -EINVAL;
-        /* Allow stty to read, but not set, the serial port */
-        case TCGETS:
-        case TCGETA:
-                return n_tty_ioctl(tty, file, cmd, arg);
         default:
-                return -ENOIOCTLCMD;
+                return tty_mode_ioctl(tty, file, cmd, arg);
         }
 }
 
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index 4bd14b331862..88efe1bae58f 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -2735,16 +2735,8 @@ static int strip_ioctl(struct tty_struct *tty, struct file *file,
                         return -EFAULT;
                 return set_mac_address(strip_info, &addr);
         }
-        /*
-         * Allow stty to read, but not set, the serial port
-         */
-
-        case TCGETS:
-        case TCGETA:
-                return n_tty_ioctl(tty, file, cmd, arg);
-                break;
         default:
-                return -ENOIOCTLCMD;
+                return tty_mode_ioctl(tty, file, cmd, arg);
                 break;
         }
         return 0;