Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework

Conflicts:
	arch/sh/kernel/cpu/sh2/setup-sh7619.c
	arch/sh/kernel/cpu/sh2a/setup-mxg.c
	arch/sh/kernel/cpu/sh2a/setup-sh7201.c
	arch/sh/kernel/cpu/sh2a/setup-sh7203.c
	arch/sh/kernel/cpu/sh2a/setup-sh7206.c
	arch/sh/kernel/cpu/sh3/setup-sh7705.c
	arch/sh/kernel/cpu/sh3/setup-sh770x.c
	arch/sh/kernel/cpu/sh3/setup-sh7710.c
	arch/sh/kernel/cpu/sh3/setup-sh7720.c
	arch/sh/kernel/cpu/sh4/setup-sh4-202.c
	arch/sh/kernel/cpu/sh4/setup-sh7750.c
	arch/sh/kernel/cpu/sh4/setup-sh7760.c
	arch/sh/kernel/cpu/sh4a/setup-sh7343.c
	arch/sh/kernel/cpu/sh4a/setup-sh7366.c
	arch/sh/kernel/cpu/sh4a/setup-sh7722.c
	arch/sh/kernel/cpu/sh4a/setup-sh7723.c
	arch/sh/kernel/cpu/sh4a/setup-sh7724.c
	arch/sh/kernel/cpu/sh4a/setup-sh7763.c
	arch/sh/kernel/cpu/sh4a/setup-sh7770.c
	arch/sh/kernel/cpu/sh4a/setup-sh7780.c
	arch/sh/kernel/cpu/sh4a/setup-sh7785.c
	arch/sh/kernel/cpu/sh4a/setup-sh7786.c
	arch/sh/kernel/cpu/sh4a/setup-shx3.c
	arch/sh/kernel/cpu/sh5/setup-sh5.c
	drivers/serial/sh-sci.c
	drivers/serial/sh-sci.h
	include/linux/serial_sci.h

1 files changed, 76 insertions, 21 deletions

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 7ff9af1d0f05..635e1faec412 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -16,6 +16,7 @@
 #ifdef __KERNEL__
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
 
 #define VLAN_HLEN	4		/* The additional bytes (on top of the Ethernet header)
 					 * that VLAN requires.
@@ -63,7 +64,12 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 	return (struct vlan_ethhdr *)skb_mac_header(skb);
 }
 
-#define VLAN_VID_MASK	0xfff
+#define VLAN_PRIO_MASK		0xe000 /* Priority Code Point */
+#define VLAN_PRIO_SHIFT		13
+#define VLAN_CFI_MASK		0x1000 /* Canonical Format Indicator */
+#define VLAN_TAG_PRESENT	VLAN_CFI_MASK
+#define VLAN_VID_MASK		0x0fff /* VLAN Identifier */
+#define VLAN_N_VID		4096
 
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
@@ -72,15 +78,15 @@ extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
  * depends on completely exhausting the VLAN identifier space.  Thus
  * it gives constant time look-up, but in many cases it wastes memory.
  */
-#define VLAN_GROUP_ARRAY_LEN          4096
 #define VLAN_GROUP_ARRAY_SPLIT_PARTS  8
-#define VLAN_GROUP_ARRAY_PART_LEN     (VLAN_GROUP_ARRAY_LEN/VLAN_GROUP_ARRAY_SPLIT_PARTS)
+#define VLAN_GROUP_ARRAY_PART_LEN     (VLAN_N_VID/VLAN_GROUP_ARRAY_SPLIT_PARTS)
 
 struct vlan_group {
 	struct net_device	*real_dev; /* The ethernet(like) device
 					    * the vlan is attached to.
 					    */
 	unsigned int		nr_vlans;
+	int			killall;
 	struct hlist_node	hlist;	/* linked list */
 	struct net_device **vlan_devices_arrays[VLAN_GROUP_ARRAY_SPLIT_PARTS];
 	struct rcu_head		rcu;
@@ -105,22 +111,42 @@ static inline void vlan_group_set_device(struct vlan_group *vg,
 	array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev;
 }
 
-#define vlan_tx_tag_present(__skb)	((__skb)->vlan_tci)
-#define vlan_tx_tag_get(__skb)		((__skb)->vlan_tci)
+#define vlan_tx_tag_present(__skb)	((__skb)->vlan_tci & VLAN_TAG_PRESENT)
+#define vlan_tx_tag_get(__skb)		((__skb)->vlan_tci & ~VLAN_TAG_PRESENT)
 
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
+/* Must be invoked with rcu_read_lock or with RTNL. */
+static inline struct net_device *vlan_find_dev(struct net_device *real_dev,
+					       u16 vlan_id)
+{
+	struct vlan_group *grp = rcu_dereference_rtnl(real_dev->vlgrp);
+
+	if (grp)
+		return vlan_group_get_device(grp, vlan_id);
+
+	return NULL;
+}
+
 extern struct net_device *vlan_dev_real_dev(const struct net_device *dev);
 extern u16 vlan_dev_vlan_id(const struct net_device *dev);
 
 extern int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 			     u16 vlan_tci, int polling);
-extern int vlan_hwaccel_do_receive(struct sk_buff *skb);
-extern int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
-			    unsigned int vlan_tci, struct sk_buff *skb);
-extern int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
-			  unsigned int vlan_tci);
+extern bool vlan_hwaccel_do_receive(struct sk_buff **skb);
+extern gro_result_t
+vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
+		 unsigned int vlan_tci, struct sk_buff *skb);
+extern gro_result_t
+vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
+	       unsigned int vlan_tci);
 
 #else
+static inline struct net_device *vlan_find_dev(struct net_device *real_dev,
+					       u16 vlan_id)
+{
+	return NULL;
+}
+
 static inline struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
 	BUG();
@@ -140,22 +166,25 @@ static inline int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 	return NET_XMIT_SUCCESS;
 }
 
-static inline int vlan_hwaccel_do_receive(struct sk_buff *skb)
+static inline bool vlan_hwaccel_do_receive(struct sk_buff **skb)
 {
-	return 0;
+	if ((*skb)->vlan_tci & VLAN_VID_MASK)
+		(*skb)->pkt_type = PACKET_OTHERHOST;
+	return false;
 }
 
-static inline int vlan_gro_receive(struct napi_struct *napi,
-				   struct vlan_group *grp,
-				   unsigned int vlan_tci, struct sk_buff *skb)
+static inline gro_result_t
+vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
+		 unsigned int vlan_tci, struct sk_buff *skb)
 {
-	return NET_RX_DROP;
+	return GRO_DROP;
 }
 
-static inline int vlan_gro_frags(struct napi_struct *napi,
-				 struct vlan_group *grp, unsigned int vlan_tci)
+static inline gro_result_t
+vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
+	       unsigned int vlan_tci)
 {
-	return NET_RX_DROP;
+	return GRO_DROP;
 }
 #endif
 
@@ -231,7 +260,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
 static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb,
 						     u16 vlan_tci)
 {
-	skb->vlan_tci = vlan_tci;
+	skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;
 	return skb;
 }
 
@@ -284,7 +313,7 @@ static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,
 					 u16 *vlan_tci)
 {
 	if (vlan_tx_tag_present(skb)) {
-		*vlan_tci = skb->vlan_tci;
+		*vlan_tci = vlan_tx_tag_get(skb);
 		return 0;
 	} else {
 		*vlan_tci = 0;
@@ -310,6 +339,31 @@ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
 	}
 }
 
+/**
+ * vlan_get_protocol - get protocol EtherType.
+ * @skb: skbuff to query
+ *
+ * Returns the EtherType of the packet, regardless of whether it is
+ * vlan encapsulated (normal or hardware accelerated) or not.
+ */
+static inline __be16 vlan_get_protocol(const struct sk_buff *skb)
+{
+	__be16 protocol = 0;
+
+	if (vlan_tx_tag_present(skb) ||
+	     skb->protocol != cpu_to_be16(ETH_P_8021Q))
+		protocol = skb->protocol;
+	else {
+		__be16 proto, *protop;
+		protop = skb_header_pointer(skb, offsetof(struct vlan_ethhdr,
+						h_vlan_encapsulated_proto),
+						sizeof(proto), &proto);
+		if (likely(protop))
+			protocol = *protop;
+	}
+
+	return protocol;
+}
 #endif /* __KERNEL__ */
 
 /* VLAN IOCTLs are found in sockios.h */
@@ -331,6 +385,7 @@ enum vlan_ioctl_cmds {
 enum vlan_flags {
 	VLAN_FLAG_REORDER_HDR	= 0x1,
 	VLAN_FLAG_GVRP		= 0x2,
+	VLAN_FLAG_LOOSE_BINDING	= 0x4,
 };
 
 enum vlan_name_types {