Merge bk://212.42.230.204/netfilter-2.6

into nuts.davemloft.net:/disk1/BK/net-2.6

9 files changed, 80 insertions, 72 deletions

diff --git a/include/asm-ppc64/iommu.h b/include/asm-ppc64/iommu.h
index 2985dcf9bfea..e67575457fb2 100644
--- a/include/asm-ppc64/iommu.h
+++ b/include/asm-ppc64/iommu.h
@@ -108,7 +108,7 @@ struct scatterlist;
 
 /* Walks all buses and creates iommu tables */
 extern void iommu_setup_pSeries(void);
-extern void iommu_setup_pmac(void);
+extern void iommu_setup_u3(void);
 
 /* Creates table for an individual device node */
 extern void iommu_devnode_init(struct device_node *dn);
@@ -155,6 +155,8 @@ extern void tce_init_iSeries(void);
 extern void pci_iommu_init(void);
 extern void pci_dma_init_direct(void);
 
+extern void alloc_u3_dart_table(void);
+
 extern int ppc64_iommu_off;
 
 #endif /* _ASM_IOMMU_H */
diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
index e0fc14a61891..e3b860769cd8 100644
--- a/include/asm-ppc64/machdep.h
+++ b/include/asm-ppc64/machdep.h
@@ -58,7 +58,7 @@ struct machdep_calls {
 					    int local);
 	/* special for kexec, to be called in real mode, linar mapping is
 	 * destroyed as well */
-	void		(*htpe_clear_all)(void);
+	void		(*hpte_clear_all)(void);
 
 	void		(*tce_build)(struct iommu_table * tbl,
 				     long index,
diff --git a/include/asm-ppc64/systemcfg.h b/include/asm-ppc64/systemcfg.h
index 7cefeef2baa2..b7d6e0f340fe 100644
--- a/include/asm-ppc64/systemcfg.h
+++ b/include/asm-ppc64/systemcfg.h
@@ -59,54 +59,7 @@ struct systemcfg {
 
 #ifdef __KERNEL__
 extern struct systemcfg *systemcfg;
-#else
-
-/* Processor Version Register (PVR) field extraction */
-#define PVR_VER(pvr)  (((pvr) >>  16) & 0xFFFF) /* Version field */
-#define PVR_REV(pvr)  (((pvr) >>   0) & 0xFFFF) /* Revison field */
-
-/* Processor Version Numbers */
-#define PV_NORTHSTAR    0x0033
-#define PV_PULSAR       0x0034
-#define PV_POWER4       0x0035
-#define PV_ICESTAR      0x0036
-#define PV_SSTAR        0x0037
-#define PV_POWER4p      0x0038
-#define PV_GPUL		0x0039
-#define PV_POWER5	0x003a
-#define PV_970FX	0x003c
-#define PV_630          0x0040
-#define PV_630p         0x0041
-
-/* Platforms supported by PPC64 */
-#define PLATFORM_PSERIES      0x0100
-#define PLATFORM_PSERIES_LPAR 0x0101
-#define PLATFORM_ISERIES_LPAR 0x0201
-#define PLATFORM_POWERMAC     0x0400
-
-/* Compatibility with drivers coming from PPC32 world */
-#define _machine	(systemcfg->platform)
-#define _MACH_Pmac	PLATFORM_POWERMAC
-
-
-static inline volatile struct systemcfg *systemcfg_init(void)
-{
-	int fd = open("/proc/ppc64/systemcfg", O_RDONLY);
-	volatile struct systemcfg *ret;
-
-	if (fd == -1)
-		return 0;
-	ret = mmap(0, sizeof(struct systemcfg), PROT_READ, MAP_SHARED, fd, 0);
-	close(fd);
-	if (!ret)
-		return 0;
-	if (ret->version.major != SYSTEMCFG_MAJOR || ret->version.minor < SYSTEMCFG_MINOR) {
-		munmap((void *)ret, sizeof(struct systemcfg));
-		return 0;
-	}
-	return ret;
-}
-#endif /* __KERNEL__ */
+#endif
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index c03df4894379..f374df7a823f 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -205,6 +205,13 @@ typedef struct tcp_pcount {
 	__u32	val;
 } tcp_pcount_t;
 
+enum tcp_congestion_algo {
+	TCP_RENO=0,
+	TCP_VEGAS,
+	TCP_WESTWOOD,
+	TCP_BIC,
+};
+
 struct tcp_opt {
 	int	tcp_header_len;	/* Bytes of tcp header to send		*/
 
@@ -265,7 +272,7 @@ struct tcp_opt {
 	__u8	frto_counter;	/* Number of new acks after RTO */
 	__u32	frto_highmark;	/* snd_nxt when RTO occurred */
 
-	__u8	unused_pad;
+	__u8	adv_cong;	/* Using Vegas, Westwood, or BIC */
 	__u8	defer_accept;	/* User waits for some data after accept() */
 	/* one byte hole, try to pack */
 
@@ -412,7 +419,6 @@ struct tcp_opt {
 		__u32	beg_snd_nxt;	/* right edge during last RTT */
 		__u32	beg_snd_una;	/* left edge  during last RTT */
 		__u32	beg_snd_cwnd;	/* saves the size of the cwnd */
-		__u8	do_vegas;	/* do vegas for this connection */
 		__u8	doing_vegas_now;/* if true, do vegas for this RTT */
 		__u16	cntRTT;		/* # of RTTs measured within last RTT */
 		__u32	minRTT;		/* min of RTTs measured within last RTT (in usec) */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 4417f800a639..21cd4df67b24 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -156,6 +156,29 @@ do {									\
 	__wait_event(wq, condition);					\
 } while (0)
 
+#define __wait_event_timeout(wq, condition, ret)			\
+do {									\
+	DEFINE_WAIT(__wait);						\
+									\
+	for (;;) {							\
+		prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE);	\
+		if (condition)						\
+			break;						\
+		ret = schedule_timeout(ret);				\
+		if (!ret)						\
+			break;						\
+	}								\
+	finish_wait(&wq, &__wait);					\
+} while (0)
+
+#define wait_event_timeout(wq, condition, timeout)			\
+({									\
+	long __ret = timeout;						\
+	if (!(condition)) 						\
+		__wait_event_timeout(wq, condition, __ret);		\
+	__ret;								\
+})
+
 #define __wait_event_interruptible(wq, condition, ret)			\
 do {									\
 	DEFINE_WAIT(__wait);						\
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index fc2b279cd148..50f4c2c4df86 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -74,7 +74,7 @@ extern int			ipv6_rcv_saddr_equal(const struct sock *sk,
 						      const struct sock *sk2);
 extern void			addrconf_join_solict(struct net_device *dev,
 					struct in6_addr *addr);
-extern void			addrconf_leave_solict(struct net_device *dev,
+extern void			addrconf_leave_solict(struct inet6_dev *idev,
 					struct in6_addr *addr);
 
 /*
@@ -89,6 +89,7 @@ extern int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
 		struct in6_addr *src_addr);
 
 extern int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr);
+extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
 extern int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr);
 extern void ipv6_mc_up(struct inet6_dev *idev);
 extern void ipv6_mc_down(struct inet6_dev *idev);
@@ -111,6 +112,7 @@ extern void ipv6_sock_ac_close(struct sock *sk);
 extern int inet6_ac_check(struct sock *sk, struct in6_addr *addr, int ifindex);
 
 extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr);
+extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr);
 extern int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr);
 extern int ipv6_chk_acast_addr(struct net_device *dev, struct in6_addr *addr);
 
diff --git a/include/net/dn_neigh.h b/include/net/dn_neigh.h
index b0c2802a5216..4b1eb038d637 100644
--- a/include/net/dn_neigh.h
+++ b/include/net/dn_neigh.h
@@ -18,7 +18,6 @@ struct dn_neigh {
 
 extern void dn_neigh_init(void);
 extern void dn_neigh_cleanup(void);
-extern struct neighbour *dn_neigh_lookup(struct neigh_table *tbl, const void *ptr);
 extern int dn_neigh_router_hello(struct sk_buff *skb);
 extern int dn_neigh_endnode_hello(struct sk_buff *skb);
 extern void dn_neigh_pointopoint_hello(struct sk_buff *skb);
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 88c2d3ec20cf..e66c71da2357 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -47,6 +47,7 @@
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/rcupdate.h>
+#include <linux/seq_file.h>
 
 #include <linux/err.h>
 #include <linux/sysctl.h>
@@ -139,9 +140,6 @@ struct pneigh_entry
 	u8			key[0];
 };
 
-#define NEIGH_HASHMASK		0x1F
-#define PNEIGH_HASHMASK		0xF
-
 /*
  *	neighbour table manipulation
  */
@@ -175,8 +173,11 @@ struct neigh_table
 	struct neigh_parms	*parms_list;
 	kmem_cache_t		*kmem_cachep;
 	struct neigh_statistics	stats;
-	struct neighbour	*hash_buckets[NEIGH_HASHMASK+1];
-	struct pneigh_entry	*phash_buckets[PNEIGH_HASHMASK+1];
+	struct neighbour	**hash_buckets;
+	unsigned int		hash_mask;
+	__u32			hash_rnd;
+	unsigned int		hash_chain_gc;
+	struct pneigh_entry	**phash_buckets;
 };
 
 /* flags for neigh_update() */
@@ -191,6 +192,8 @@ extern int			neigh_table_clear(struct neigh_table *tbl);
 extern struct neighbour *	neigh_lookup(struct neigh_table *tbl,
 					     const void *pkey,
 					     struct net_device *dev);
+extern struct neighbour *	neigh_lookup_nodev(struct neigh_table *tbl,
+						   const void *pkey);
 extern struct neighbour *	neigh_create(struct neigh_table *tbl,
 					     const void *pkey,
 					     struct net_device *dev);
@@ -224,6 +227,24 @@ extern int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
 extern int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
 extern void neigh_app_ns(struct neighbour *n);
 
+extern void neigh_for_each(struct neigh_table *tbl, void (*cb)(struct neighbour *, void *), void *cookie);
+extern void __neigh_for_each_release(struct neigh_table *tbl, int (*cb)(struct neighbour *));
+extern void pneigh_for_each(struct neigh_table *tbl, void (*cb)(struct pneigh_entry *));
+
+struct neigh_seq_state {
+	struct neigh_table *tbl;
+	void *(*neigh_sub_iter)(struct neigh_seq_state *state,
+				struct neighbour *n, loff_t *pos);
+	unsigned int bucket;
+	unsigned int flags;
+#define NEIGH_SEQ_NEIGH_ONLY	0x00000001
+#define NEIGH_SEQ_IS_PNEIGH	0x00000002
+#define NEIGH_SEQ_SKIP_NOARP	0x00000004
+};
+extern void *neigh_seq_start(struct seq_file *, loff_t *, struct neigh_table *, unsigned int);
+extern void *neigh_seq_next(struct seq_file *, void *, loff_t *);
+extern void neigh_seq_stop(struct seq_file *, void *);
+
 extern int			neigh_sysctl_register(struct net_device *dev, 
 						      struct neigh_parms *p,
 						      int p_id, int pdev_id,
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 63ed0f745a8d..eb0f1970a40f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1271,6 +1271,13 @@ static __inline__ unsigned int tcp_packets_in_flight(struct tcp_opt *tp)
 		tcp_get_pcount(&tp->retrans_out));
 }
 
+/*
+ * Which congestion algorithim is in use on the connection.
+ */
+#define tcp_is_vegas(__tp)	((__tp)->adv_cong == TCP_VEGAS)
+#define tcp_is_westwood(__tp)	((__tp)->adv_cong == TCP_WESTWOOD)
+#define tcp_is_bic(__tp)	((__tp)->adv_cong == TCP_BIC)
+
 /* Recalculate snd_ssthresh, we want to set it to:
  *
  * Reno:
@@ -1283,7 +1290,7 @@ static __inline__ unsigned int tcp_packets_in_flight(struct tcp_opt *tp)
  */
 static inline __u32 tcp_recalc_ssthresh(struct tcp_opt *tp)
 {
-	if (sysctl_tcp_bic) {
+	if (tcp_is_bic(tp)) {
 		if (sysctl_tcp_bic_fast_convergence &&
 		    tp->snd_cwnd < tp->bictcp.last_max_cwnd)
 			tp->bictcp.last_max_cwnd
@@ -1302,11 +1309,6 @@ static inline __u32 tcp_recalc_ssthresh(struct tcp_opt *tp)
 
 /* Stop taking Vegas samples for now. */
 #define tcp_vegas_disable(__tp)	((__tp)->vegas.doing_vegas_now = 0)
-
-/* Is this TCP connection using Vegas (regardless of whether it is taking
- * Vegas measurements at the current time)?
- */
-#define tcp_is_vegas(__tp)	((__tp)->vegas.do_vegas)
     
 static inline void tcp_vegas_enable(struct tcp_opt *tp)
 {
@@ -1340,7 +1342,7 @@ static inline void tcp_vegas_enable(struct tcp_opt *tp)
 /* Should we be taking Vegas samples right now? */
 #define tcp_vegas_enabled(__tp)	((__tp)->vegas.doing_vegas_now)
 
-extern void tcp_vegas_init(struct tcp_opt *tp);
+extern void tcp_ca_init(struct tcp_opt *tp);
 
 static inline void tcp_set_ca_state(struct tcp_opt *tp, u8 ca_state)
 {
@@ -2024,7 +2026,7 @@ extern void tcp_proc_unregister(struct tcp_seq_afinfo *afinfo);
 
 static inline void tcp_westwood_update_rtt(struct tcp_opt *tp, __u32 rtt_seq)
 {
-        if (sysctl_tcp_westwood)
+        if (tcp_is_westwood(tp))
                 tp->westwood.rtt = rtt_seq;
 }
 
@@ -2033,13 +2035,13 @@ void __tcp_westwood_slow_bw(struct sock *, struct sk_buff *);
 
 static inline void tcp_westwood_fast_bw(struct sock *sk, struct sk_buff *skb)
 {
-        if (sysctl_tcp_westwood)
+        if (tcp_is_westwood(tcp_sk(sk)))
                 __tcp_westwood_fast_bw(sk, skb);
 }
 
 static inline void tcp_westwood_slow_bw(struct sock *sk, struct sk_buff *skb)
 {
-        if (sysctl_tcp_westwood)
+        if (tcp_is_westwood(tcp_sk(sk)))
                 __tcp_westwood_slow_bw(sk, skb);
 }
 
@@ -2052,14 +2054,14 @@ static inline __u32 __tcp_westwood_bw_rttmin(const struct tcp_opt *tp)
 
 static inline __u32 tcp_westwood_bw_rttmin(const struct tcp_opt *tp)
 {
-	return sysctl_tcp_westwood ? __tcp_westwood_bw_rttmin(tp) : 0;
+	return tcp_is_westwood(tp) ? __tcp_westwood_bw_rttmin(tp) : 0;
 }
 
 static inline int tcp_westwood_ssthresh(struct tcp_opt *tp)
 {
 	__u32 ssthresh = 0;
 
-	if (sysctl_tcp_westwood) {
+	if (tcp_is_westwood(tp)) {
 		ssthresh = __tcp_westwood_bw_rttmin(tp);
 		if (ssthresh)
 			tp->snd_ssthresh = ssthresh;  
@@ -2072,7 +2074,7 @@ static inline int tcp_westwood_cwnd(struct tcp_opt *tp)
 {
 	__u32 cwnd = 0;
 
-	if (sysctl_tcp_westwood) {
+	if (tcp_is_westwood(tp)) {
 		cwnd = __tcp_westwood_bw_rttmin(tp);
 		if (cwnd)
 			tp->snd_cwnd = cwnd;