Merge branch 'master' of /home/trondmy/kernel/linux-2.6/

9 files changed, 60 insertions, 18 deletions

diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 795f81f9ec7..5ba72d95280 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -53,10 +53,16 @@ struct unix_address {
 struct unix_skb_parms {
 	struct ucred		creds;		/* Skb credentials	*/
 	struct scm_fp_list	*fp;		/* Passed files		*/
+#ifdef CONFIG_SECURITY_NETWORK
+	char			*secdata;	/* Security context	*/
+	u32			seclen;		/* Security length	*/
+#endif
 };
 
 #define UNIXCB(skb) 	(*(struct unix_skb_parms*)&((skb)->cb))
 #define UNIXCREDS(skb)	(&UNIXCB((skb)).creds)
+#define UNIXSECDATA(skb)	(&UNIXCB((skb)).secdata)
+#define UNIXSECLEN(skb)		(&UNIXCB((skb)).seclen)
 
 #define unix_state_rlock(s)	spin_lock(&unix_sk(s)->lock)
 #define unix_state_runlock(s)	spin_unlock(&unix_sk(s)->lock)
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index a398ae5e30f..ab29dafb1a6 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -146,7 +146,7 @@ static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
 	struct rt6_info *rt = (struct rt6_info *) dst;
 
 	write_lock(&sk->sk_dst_lock);
-	__sk_dst_set(sk, dst);
+	sk_setup_caps(sk, dst);
 	np->daddr_cache = daddr;
 	np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
 	write_unlock(&sk->sk_dst_lock);
diff --git a/include/net/irda/irda_device.h b/include/net/irda/irda_device.h
index 0575c59a5c9..bca19ca7bdd 100644
--- a/include/net/irda/irda_device.h
+++ b/include/net/irda/irda_device.h
@@ -160,7 +160,7 @@ typedef struct {
         int irq, irq2;        /* Interrupts used */
         int dma, dma2;        /* DMA channel(s) used */
         int fifo_size;        /* FIFO size */
-        int irqflags;         /* interrupt flags (ie, SA_SHIRQ|SA_INTERRUPT) */
+        int irqflags;         /* interrupt flags (ie, IRQF_SHARED|IRQF_DISABLED) */
 	int direction;        /* Link direction, used by some FIR drivers */
 	int enabled;          /* Powered on? */
 	int suspended;        /* Suspended by APM */
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 75b5b9333fc..1925c65e617 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -169,17 +169,23 @@ psched_tod_diff(int delta_sec, int bound)
 
 #define PSCHED_TADD2(tv, delta, tv_res) \
 ({ \
-	   int __delta = (tv).tv_usec + (delta); \
-	   (tv_res).tv_sec = (tv).tv_sec; \
-	   if (__delta > USEC_PER_SEC) { (tv_res).tv_sec++; __delta -= USEC_PER_SEC; } \
+	   int __delta = (delta); \
+	   (tv_res) = (tv); \
+	   while(__delta >= USEC_PER_SEC){ \
+		 (tv_res).tv_sec++; \
+		 __delta -= USEC_PER_SEC; \
+	   } \
 	   (tv_res).tv_usec = __delta; \
 })
 
 #define PSCHED_TADD(tv, delta) \
 ({ \
-	   (tv).tv_usec += (delta); \
-	   if ((tv).tv_usec > USEC_PER_SEC) { (tv).tv_sec++; \
-		 (tv).tv_usec -= USEC_PER_SEC; } \
+	   int __delta = (delta); \
+	   while(__delta >= USEC_PER_SEC){ \
+		 (tv).tv_sec++; \
+		 __delta -= USEC_PER_SEC; \
+	   } \
+	   (tv).tv_usec = __delta; \
 })
 
 /* Set/check that time is in the "past perfect";
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 3b6dc15c68a..a225d6371cb 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -36,7 +36,8 @@
 struct net_protocol {
 	int			(*handler)(struct sk_buff *skb);
 	void			(*err_handler)(struct sk_buff *skb, u32 info);
-	struct sk_buff	       *(*gso_segment)(struct sk_buff *skb, int sg);
+	struct sk_buff	       *(*gso_segment)(struct sk_buff *skb,
+					       int features);
 	int			no_policy;
 };
 
@@ -49,11 +50,17 @@ struct inet6_protocol
 			       struct inet6_skb_parm *opt,
 			       int type, int code, int offset,
 			       __u32 info);
+
+	struct sk_buff *(*gso_segment)(struct sk_buff *skb,
+				       int features);
+
 	unsigned int	flags;	/* INET6_PROTO_xxx */
 };
 
 #define INET6_PROTO_NOPOLICY	0x1
 #define INET6_PROTO_FINAL	0x2
+/* This should be set for any extension header which is compatible with GSO. */
+#define INET6_PROTO_GSO_EXTHDR	0x4
 #endif
 
 /* This is used to register socket interfaces for IP protocols.  */
diff --git a/include/net/scm.h b/include/net/scm.h
index 540619cb716..02daa097cdc 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -19,6 +19,10 @@ struct scm_cookie
 {
 	struct ucred		creds;		/* Skb credentials	*/
 	struct scm_fp_list	*fp;		/* Passed files		*/
+#ifdef CONFIG_SECURITY_NETWORK
+	char			*secdata;	/* Security context	*/
+	u32			seclen;		/* Security length	*/
+#endif
 	unsigned long		seq;		/* Connection seqno	*/
 };
 
@@ -48,6 +52,17 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
 	return __scm_send(sock, msg, scm);
 }
 
+#ifdef CONFIG_SECURITY_NETWORK
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
+{
+	if (test_bit(SOCK_PASSSEC, &sock->flags) && scm->secdata != NULL)
+		put_cmsg(msg, SOL_SOCKET, SCM_SECURITY, scm->seclen, scm->secdata);
+}
+#else
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
+{ }
+#endif /* CONFIG_SECURITY_NETWORK */
+
 static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
 				struct scm_cookie *scm, int flags)
 {
@@ -62,6 +77,8 @@ static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
 	if (test_bit(SOCK_PASSCRED, &sock->flags))
 		put_cmsg(msg, SOL_SOCKET, SCM_CREDENTIALS, sizeof(scm->creds), &scm->creds);
 
+	scm_passec(sock, msg, scm);
+
 	if (!scm->fp)
 		return;
 	
diff --git a/include/net/sock.h b/include/net/sock.h
index 2d8d6adf161..7b3d6b85694 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -140,6 +140,7 @@ struct sock_common {
   *	@sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, %SO_OOBINLINE settings
   *	@sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets
   *	@sk_route_caps: route capabilities (e.g. %NETIF_F_TSO)
+  *	@sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4)
   *	@sk_lingertime: %SO_LINGER l_linger setting
   *	@sk_backlog: always used with the per-socket spinlock held
   *	@sk_callback_lock: used with the callbacks in the end of this struct
@@ -211,6 +212,7 @@ struct sock {
 	gfp_t			sk_allocation;
 	int			sk_sndbuf;
 	int			sk_route_caps;
+	int			sk_gso_type;
 	int			sk_rcvlowat;
 	unsigned long 		sk_flags;
 	unsigned long	        sk_lingertime;
@@ -383,7 +385,6 @@ enum sock_flags {
 	SOCK_USE_WRITE_QUEUE, /* whether to call sk->sk_write_space in sock_wfree */
 	SOCK_DBG, /* %SO_DEBUG setting */
 	SOCK_RCVTSTAMP, /* %SO_TIMESTAMP setting */
-	SOCK_NO_LARGESEND, /* whether to sent large segments or not */
 	SOCK_LOCALROUTE, /* route locally only, %SO_DONTROUTE setting */
 	SOCK_QUEUE_SHRUNK, /* write queue has been shrunk recently */
 };
@@ -1026,15 +1027,20 @@ extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
 
 extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
 
+static inline int sk_can_gso(const struct sock *sk)
+{
+	return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type);
+}
+
 static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
 {
 	__sk_dst_set(sk, dst);
 	sk->sk_route_caps = dst->dev->features;
 	if (sk->sk_route_caps & NETIF_F_GSO)
-		sk->sk_route_caps |= NETIF_F_TSO;
-	if (sk->sk_route_caps & NETIF_F_TSO) {
-		if (sock_flag(sk, SOCK_NO_LARGESEND) || dst->header_len)
-			sk->sk_route_caps &= ~NETIF_F_TSO;
+		sk->sk_route_caps |= NETIF_F_GSO_MASK;
+	if (sk_can_gso(sk)) {
+		if (dst->header_len)
+			sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
 		else 
 			sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM;
 	}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index ca3d38dfc00..3cd803b0d7a 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -751,7 +751,7 @@ static inline int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
 	if (in_flight >= tp->snd_cwnd)
 		return 1;
 
-	if (!(sk->sk_route_caps & NETIF_F_TSO))
+	if (!sk_can_gso(sk))
 		return 0;
 
 	left = tp->snd_cwnd - in_flight;
@@ -1086,7 +1086,7 @@ extern struct request_sock_ops tcp_request_sock_ops;
 
 extern int tcp_v4_destroy_sock(struct sock *sk);
 
-extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int sg);
+extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);
 
 #ifdef CONFIG_PROC_FS
 extern int  tcp4_proc_init(void);
diff --git a/include/net/tcp_ecn.h b/include/net/tcp_ecn.h
index c6b84397448..4629d77173f 100644
--- a/include/net/tcp_ecn.h
+++ b/include/net/tcp_ecn.h
@@ -31,10 +31,9 @@ static inline void TCP_ECN_send_syn(struct sock *sk, struct tcp_sock *tp,
 				    struct sk_buff *skb)
 {
 	tp->ecn_flags = 0;
-	if (sysctl_tcp_ecn && !(sk->sk_route_caps & NETIF_F_TSO)) {
+	if (sysctl_tcp_ecn) {
 		TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_ECE|TCPCB_FLAG_CWR;
 		tp->ecn_flags = TCP_ECN_OK;
-		sock_set_flag(sk, SOCK_NO_LARGESEND);
 	}
 }
 
@@ -56,6 +55,7 @@ static inline void TCP_ECN_send(struct sock *sk, struct tcp_sock *tp,
 			if (tp->ecn_flags&TCP_ECN_QUEUE_CWR) {
 				tp->ecn_flags &= ~TCP_ECN_QUEUE_CWR;
 				skb->h.th->cwr = 1;
+				skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN;
 			}
 		} else {
 			/* ACK or retransmitted segment: clear ECT|CE */