[Bluetooth] Store remote modem status for RFCOMM TTY

[pandora-kernel.git] / net / ipv6 / udp.c

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 53739de..dd30962 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -51,9 +51,9 @@
 #include <linux/seq_file.h>
 #include "udp_impl.h"
 
-static inline int udp_v6_get_port(struct sock *sk, unsigned short snum)
+int udp_v6_get_port(struct sock *sk, unsigned short snum)
 {
-       return udp_get_port(sk, snum, ipv6_rcv_saddr_equal);
+       return udp_lib_get_port(sk, snum, ipv6_rcv_saddr_equal);
 }
 
 static struct sock *__udp6_lib_lookup(struct net *net,
@@ -70,7 +70,7 @@ static struct sock *__udp6_lib_lookup(struct net *net,
        sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
                struct inet_sock *inet = inet_sk(sk);
 
-               if (sk->sk_net == net && sk->sk_hash == hnum &&
+               if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
                                sk->sk_family == PF_INET6) {
                        struct ipv6_pinfo *np = inet6_sk(sk);
                        int score = 0;
@@ -235,7 +235,7 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
        struct sock *sk;
        int err;
 
-       sk = __udp6_lib_lookup(skb->dev->nd_net, daddr, uh->dest,
+       sk = __udp6_lib_lookup(dev_net(skb->dev), daddr, uh->dest,
                               saddr, uh->source, inet6_iif(skb), udptable);
        if (sk == NULL)
                return;
@@ -323,6 +323,9 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
        sk_for_each_from(s, node) {
                struct inet_sock *inet = inet_sk(s);
 
+               if (sock_net(s) != sock_net(sk))
+                       continue;
+
                if (s->sk_hash == num && s->sk_family == PF_INET6) {
                        struct ipv6_pinfo *np = inet6_sk(s);
                        if (inet->dport) {
@@ -480,7 +483,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
         * check socket cache ... must talk to Alan about his plans
         * for sock caches... i'll skip this for now.
         */
-       sk = __udp6_lib_lookup(skb->dev->nd_net, saddr, uh->source,
+       sk = __udp6_lib_lookup(dev_net(skb->dev), saddr, uh->source,
                               daddr, uh->dest, inet6_iif(skb), udptable);
 
        if (sk == NULL) {
@@ -531,7 +534,9 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
 {
        struct udp_sock *up = udp_sk(sk);
 
-       if (up->pending) {
+       if (up->pending == AF_INET)
+               udp_flush_pending_frames(sk);
+       else if (up->pending) {
                up->len = 0;
                up->pending = 0;
                ip6_flush_pending_frames(sk);
@@ -728,7 +733,7 @@ do_udp_sendmsg:
                memset(opt, 0, sizeof(struct ipv6_txoptions));
                opt->tot_len = sizeof(*opt);
 
-               err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
+               err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, &tclass);
                if (err < 0) {
                        fl6_sock_release(flowlabel);
                        return err;
@@ -749,7 +754,10 @@ do_udp_sendmsg:
        opt = ipv6_fixup_options(&opt_space, opt);
 
        fl.proto = sk->sk_protocol;
-       ipv6_addr_copy(&fl.fl6_dst, daddr);
+       if (!ipv6_addr_any(daddr))
+               ipv6_addr_copy(&fl.fl6_dst, daddr);
+       else
+               fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
        if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
                ipv6_addr_copy(&fl.fl6_src, &np->saddr);
        fl.fl_ip_sport = inet->sport;
@@ -789,9 +797,7 @@ do_udp_sendmsg:
                else
                        hlimit = np->hop_limit;
                if (hlimit < 0)
-                       hlimit = dst_metric(dst, RTAX_HOPLIMIT);
-               if (hlimit < 0)
-                       hlimit = ipv6_get_hoplimit(dst->dev);
+                       hlimit = ip6_dst_hoplimit(dst);
        }
 
        if (tclass < 0) {
@@ -844,12 +850,14 @@ do_append_data:
                } else {
                        dst_release(dst);
                }
+               dst = NULL;
        }
 
        if (err > 0)
                err = np->recverr ? net_xmit_errno(err) : 0;
        release_sock(sk);
 out:
+       dst_release(dst);
        fl6_sock_release(flowlabel);
        if (!err)
                return len;
@@ -976,30 +984,30 @@ int udp6_seq_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct file_operations udp6_seq_fops;
 static struct udp_seq_afinfo udp6_seq_afinfo = {
-       .owner          = THIS_MODULE,
        .name           = "udp6",
        .family         = AF_INET6,
        .hashtable      = udp_hash,
-       .seq_show       = udp6_seq_show,
-       .seq_fops       = &udp6_seq_fops,
+       .seq_fops       = {
+               .owner  =       THIS_MODULE,
+       },
+       .seq_ops        = {
+               .show           = udp6_seq_show,
+       },
 };
 
-int __init udp6_proc_init(void)
+int udp6_proc_init(struct net *net)
 {
-       return udp_proc_register(&udp6_seq_afinfo);
+       return udp_proc_register(net, &udp6_seq_afinfo);
 }
 
-void udp6_proc_exit(void) {
-       udp_proc_unregister(&udp6_seq_afinfo);
+void udp6_proc_exit(struct net *net) {
+       udp_proc_unregister(net, &udp6_seq_afinfo);
 }
 #endif /* CONFIG_PROC_FS */
 
 /* ------------------------------------------------------------------------ */
 
-DEFINE_PROTO_INUSE(udpv6)
-
 struct proto udpv6_prot = {
        .name              = "UDPv6",
        .owner             = THIS_MODULE,
@@ -1021,11 +1029,11 @@ struct proto udpv6_prot = {
        .sysctl_wmem       = &sysctl_udp_wmem_min,
        .sysctl_rmem       = &sysctl_udp_rmem_min,
        .obj_size          = sizeof(struct udp6_sock),
+       .h.udp_hash        = udp_hash,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_udpv6_setsockopt,
        .compat_getsockopt = compat_udpv6_getsockopt,
 #endif
-       REF_PROTO_INUSE(udpv6)
 };
 
 static struct inet_protosw udpv6_protosw = {