Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
  macvlan: fix panic if lowerdev in a bond
  tg3: Add braces around 5906 workaround.
  tg3: Fix NETIF_F_LOOPBACK error
  macvlan: remove one synchronize_rcu() call
  networking: NET_CLS_ROUTE4 depends on INET
  irda: Fix error propagation in ircomm_lmp_connect_response()
  irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
  irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
  be2net: Kill set but unused variable 'req' in lancer_fw_download()
  irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
  atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
  rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
  pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
  isdn: capi: Use pr_debug() instead of ifdefs.
  tg3: Update version to 3.119
  tg3: Apply rx_discards fix to 5719/5720
  ...

Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.

1 files changed, 43 insertions, 35 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index f87a8eb..599374f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -578,7 +578,7 @@ found:
 void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
 {
 	struct inet_sock *inet;
-	struct iphdr *iph = (struct iphdr *)skb->data;
+	const struct iphdr *iph = (const struct iphdr *)skb->data;
 	struct udphdr *uh = (struct udphdr *)(skb->data+(iph->ihl<<2));
 	const int type = icmp_hdr(skb)->type;
 	const int code = icmp_hdr(skb)->code;
@@ -706,12 +706,11 @@ static void udp4_hwcsum(struct sk_buff *skb, __be32 src, __be32 dst)
 	}
 }
 
-static int udp_send_skb(struct sk_buff *skb, __be32 daddr, __be32 dport)
+static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4)
 {
 	struct sock *sk = skb->sk;
 	struct inet_sock *inet = inet_sk(sk);
 	struct udphdr *uh;
-	struct rtable *rt = (struct rtable *)skb_dst(skb);
 	int err = 0;
 	int is_udplite = IS_UDPLITE(sk);
 	int offset = skb_transport_offset(skb);
@@ -723,7 +722,7 @@ static int udp_send_skb(struct sk_buff *skb, __be32 daddr, __be32 dport)
 	 */
 	uh = udp_hdr(skb);
 	uh->source = inet->inet_sport;
-	uh->dest = dport;
+	uh->dest = fl4->fl4_dport;
 	uh->len = htons(len);
 	uh->check = 0;
 
@@ -737,14 +736,14 @@ static int udp_send_skb(struct sk_buff *skb, __be32 daddr, __be32 dport)
 
 	} else if (skb->ip_summed == CHECKSUM_PARTIAL) { /* UDP hardware csum */
 
-		udp4_hwcsum(skb, rt->rt_src, daddr);
+		udp4_hwcsum(skb, fl4->saddr, fl4->daddr);
 		goto send;
 
 	} else
 		csum = udp_csum(skb);
 
 	/* add protocol-dependent pseudo-header */
-	uh->check = csum_tcpudp_magic(rt->rt_src, daddr, len,
+	uh->check = csum_tcpudp_magic(fl4->saddr, fl4->daddr, len,
 				      sk->sk_protocol, csum);
 	if (uh->check == 0)
 		uh->check = CSUM_MANGLED_0;
@@ -774,11 +773,11 @@ static int udp_push_pending_frames(struct sock *sk)
 	struct sk_buff *skb;
 	int err = 0;
 
-	skb = ip_finish_skb(sk);
+	skb = ip_finish_skb(sk, fl4);
 	if (!skb)
 		goto out;
 
-	err = udp_send_skb(skb, fl4->daddr, fl4->fl4_dport);
+	err = udp_send_skb(skb, fl4);
 
 out:
 	up->len = 0;
@@ -791,6 +790,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 {
 	struct inet_sock *inet = inet_sk(sk);
 	struct udp_sock *up = udp_sk(sk);
+	struct flowi4 fl4_stack;
 	struct flowi4 *fl4;
 	int ulen = len;
 	struct ipcm_cookie ipc;
@@ -804,6 +804,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
 	int (*getfrag)(void *, char *, int, int, int, struct sk_buff *);
 	struct sk_buff *skb;
+	struct ip_options_data opt_copy;
 
 	if (len > 0xFFFF)
 		return -EMSGSIZE;
@@ -820,6 +821,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
 	getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
 
+	fl4 = &inet->cork.fl.u.ip4;
 	if (up->pending) {
 		/*
 		 * There are pending frames.
@@ -877,22 +879,32 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 			free = 1;
 		connected = 0;
 	}
-	if (!ipc.opt)
-		ipc.opt = inet->opt;
+	if (!ipc.opt) {
+		struct ip_options_rcu *inet_opt;
+
+		rcu_read_lock();
+		inet_opt = rcu_dereference(inet->inet_opt);
+		if (inet_opt) {
+			memcpy(&opt_copy, inet_opt,
+			       sizeof(*inet_opt) + inet_opt->opt.optlen);
+			ipc.opt = &opt_copy.opt;
+		}
+		rcu_read_unlock();
+	}
 
 	saddr = ipc.addr;
 	ipc.addr = faddr = daddr;
 
-	if (ipc.opt && ipc.opt->srr) {
+	if (ipc.opt && ipc.opt->opt.srr) {
 		if (!daddr)
 			return -EINVAL;
-		faddr = ipc.opt->faddr;
+		faddr = ipc.opt->opt.faddr;
 		connected = 0;
 	}
 	tos = RT_TOS(inet->tos);
 	if (sock_flag(sk, SOCK_LOCALROUTE) ||
 	    (msg->msg_flags & MSG_DONTROUTE) ||
-	    (ipc.opt && ipc.opt->is_strictroute)) {
+	    (ipc.opt && ipc.opt->opt.is_strictroute)) {
 		tos |= RTO_ONLINK;
 		connected = 0;
 	}
@@ -909,22 +921,16 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		rt = (struct rtable *)sk_dst_check(sk, 0);
 
 	if (rt == NULL) {
-		struct flowi4 fl4 = {
-			.flowi4_oif = ipc.oif,
-			.flowi4_mark = sk->sk_mark,
-			.daddr = faddr,
-			.saddr = saddr,
-			.flowi4_tos = tos,
-			.flowi4_proto = sk->sk_protocol,
-			.flowi4_flags = (inet_sk_flowi_flags(sk) |
-					 FLOWI_FLAG_CAN_SLEEP),
-			.fl4_sport = inet->inet_sport,
-			.fl4_dport = dport,
-		};
 		struct net *net = sock_net(sk);
 
-		security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
-		rt = ip_route_output_flow(net, &fl4, sk);
+		fl4 = &fl4_stack;
+		flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos,
+				   RT_SCOPE_UNIVERSE, sk->sk_protocol,
+				   inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP,
+				   faddr, saddr, dport, inet->inet_sport);
+
+		security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
+		rt = ip_route_output_flow(net, fl4, sk);
 		if (IS_ERR(rt)) {
 			err = PTR_ERR(rt);
 			rt = NULL;
@@ -945,18 +951,18 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		goto do_confirm;
 back_from_confirm:
 
-	saddr = rt->rt_src;
+	saddr = fl4->saddr;
 	if (!ipc.addr)
-		daddr = ipc.addr = rt->rt_dst;
+		daddr = ipc.addr = fl4->daddr;
 
 	/* Lockless fast path for the non-corking case. */
 	if (!corkreq) {
-		skb = ip_make_skb(sk, getfrag, msg->msg_iov, ulen,
+		skb = ip_make_skb(sk, fl4, getfrag, msg->msg_iov, ulen,
 				  sizeof(struct udphdr), &ipc, &rt,
 				  msg->msg_flags);
 		err = PTR_ERR(skb);
 		if (skb && !IS_ERR(skb))
-			err = udp_send_skb(skb, daddr, dport);
+			err = udp_send_skb(skb, fl4);
 		goto out;
 	}
 
@@ -982,9 +988,9 @@ back_from_confirm:
 
 do_append_data:
 	up->len += ulen;
-	err = ip_append_data(sk, getfrag, msg->msg_iov, ulen,
-			sizeof(struct udphdr), &ipc, &rt,
-			corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
+	err = ip_append_data(sk, fl4, getfrag, msg->msg_iov, ulen,
+			     sizeof(struct udphdr), &ipc, &rt,
+			     corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
 	if (err)
 		udp_flush_pending_frames(sk);
 	else if (!corkreq)
@@ -1024,6 +1030,7 @@ EXPORT_SYMBOL(udp_sendmsg);
 int udp_sendpage(struct sock *sk, struct page *page, int offset,
 		 size_t size, int flags)
 {
+	struct inet_sock *inet = inet_sk(sk);
 	struct udp_sock *up = udp_sk(sk);
 	int ret;
 
@@ -1048,7 +1055,8 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset,
 		return -EINVAL;
 	}
 
-	ret = ip_append_page(sk, page, offset, size, flags);
+	ret = ip_append_page(sk, &inet->cork.fl.u.ip4,
+			     page, offset, size, flags);
 	if (ret == -EOPNOTSUPP) {
 		release_sock(sk);
 		return sock_no_sendpage(sk->sk_socket, page, offset,