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Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 45a8a7e374d8..ec5c7a720c0c 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -214,7 +214,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
214 goto fail_unlock; 214 goto fail_unlock;
215 } 215 }
216found: 216found:
217 inet_sk(sk)->num = snum; 217 inet_sk(sk)->inet_num = snum;
218 sk->sk_hash = snum; 218 sk->sk_hash = snum;
219 if (sk_unhashed(sk)) { 219 if (sk_unhashed(sk)) {
220 sk_nulls_add_node_rcu(sk, &hslot->head); 220 sk_nulls_add_node_rcu(sk, &hslot->head);
@@ -233,8 +233,8 @@ static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
233 struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2); 233 struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
234 234
235 return (!ipv6_only_sock(sk2) && 235 return (!ipv6_only_sock(sk2) &&
236 (!inet1->rcv_saddr || !inet2->rcv_saddr || 236 (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
237 inet1->rcv_saddr == inet2->rcv_saddr)); 237 inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
238} 238}
239 239
240int udp_v4_get_port(struct sock *sk, unsigned short snum) 240int udp_v4_get_port(struct sock *sk, unsigned short snum)
@@ -253,18 +253,18 @@ static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
253 struct inet_sock *inet = inet_sk(sk); 253 struct inet_sock *inet = inet_sk(sk);
254 254
255 score = (sk->sk_family == PF_INET ? 1 : 0); 255 score = (sk->sk_family == PF_INET ? 1 : 0);
256 if (inet->rcv_saddr) { 256 if (inet->inet_rcv_saddr) {
257 if (inet->rcv_saddr != daddr) 257 if (inet->inet_rcv_saddr != daddr)
258 return -1; 258 return -1;
259 score += 2; 259 score += 2;
260 } 260 }
261 if (inet->daddr) { 261 if (inet->inet_daddr) {
262 if (inet->daddr != saddr) 262 if (inet->inet_daddr != saddr)
263 return -1; 263 return -1;
264 score += 2; 264 score += 2;
265 } 265 }
266 if (inet->dport) { 266 if (inet->inet_dport) {
267 if (inet->dport != sport) 267 if (inet->inet_dport != sport)
268 return -1; 268 return -1;
269 score += 2; 269 score += 2;
270 } 270 }
@@ -360,9 +360,10 @@ static inline struct sock *udp_v4_mcast_next(struct net *net, struct sock *sk,
360 360
361 if (!net_eq(sock_net(s), net) || 361 if (!net_eq(sock_net(s), net) ||
362 s->sk_hash != hnum || 362 s->sk_hash != hnum ||
363 (inet->daddr && inet->daddr != rmt_addr) || 363 (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
364 (inet->dport != rmt_port && inet->dport) || 364 (inet->inet_dport != rmt_port && inet->inet_dport) ||
365 (inet->rcv_saddr && inet->rcv_saddr != loc_addr) || 365 (inet->inet_rcv_saddr &&
366 inet->inet_rcv_saddr != loc_addr) ||
366 ipv6_only_sock(s) || 367 ipv6_only_sock(s) ||
367 (s->sk_bound_dev_if && s->sk_bound_dev_if != dif)) 368 (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
368 continue; 369 continue;
@@ -646,14 +647,14 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
646 } else { 647 } else {
647 if (sk->sk_state != TCP_ESTABLISHED) 648 if (sk->sk_state != TCP_ESTABLISHED)
648 return -EDESTADDRREQ; 649 return -EDESTADDRREQ;
649 daddr = inet->daddr; 650 daddr = inet->inet_daddr;
650 dport = inet->dport; 651 dport = inet->inet_dport;
651 /* Open fast path for connected socket. 652 /* Open fast path for connected socket.
652 Route will not be used, if at least one option is set. 653 Route will not be used, if at least one option is set.
653 */ 654 */
654 connected = 1; 655 connected = 1;
655 } 656 }
656 ipc.addr = inet->saddr; 657 ipc.addr = inet->inet_saddr;
657 658
658 ipc.oif = sk->sk_bound_dev_if; 659 ipc.oif = sk->sk_bound_dev_if;
659 err = sock_tx_timestamp(msg, sk, &ipc.shtx); 660 err = sock_tx_timestamp(msg, sk, &ipc.shtx);
@@ -708,7 +709,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
708 .proto = sk->sk_protocol, 709 .proto = sk->sk_protocol,
709 .flags = inet_sk_flowi_flags(sk), 710 .flags = inet_sk_flowi_flags(sk),
710 .uli_u = { .ports = 711 .uli_u = { .ports =
711 { .sport = inet->sport, 712 { .sport = inet->inet_sport,
712 .dport = dport } } }; 713 .dport = dport } } };
713 struct net *net = sock_net(sk); 714 struct net *net = sock_net(sk);
714 715
@@ -752,7 +753,7 @@ back_from_confirm:
752 inet->cork.fl.fl4_dst = daddr; 753 inet->cork.fl.fl4_dst = daddr;
753 inet->cork.fl.fl_ip_dport = dport; 754 inet->cork.fl.fl_ip_dport = dport;
754 inet->cork.fl.fl4_src = saddr; 755 inet->cork.fl.fl4_src = saddr;
755 inet->cork.fl.fl_ip_sport = inet->sport; 756 inet->cork.fl.fl_ip_sport = inet->inet_sport;
756 up->pending = AF_INET; 757 up->pending = AF_INET;
757 758
758do_append_data: 759do_append_data:
@@ -1029,15 +1030,15 @@ int udp_disconnect(struct sock *sk, int flags)
1029 */ 1030 */
1030 1031
1031 sk->sk_state = TCP_CLOSE; 1032 sk->sk_state = TCP_CLOSE;
1032 inet->daddr = 0; 1033 inet->inet_daddr = 0;
1033 inet->dport = 0; 1034 inet->inet_dport = 0;
1034 sk->sk_bound_dev_if = 0; 1035 sk->sk_bound_dev_if = 0;
1035 if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK)) 1036 if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
1036 inet_reset_saddr(sk); 1037 inet_reset_saddr(sk);
1037 1038
1038 if (!(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) { 1039 if (!(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) {
1039 sk->sk_prot->unhash(sk); 1040 sk->sk_prot->unhash(sk);
1040 inet->sport = 0; 1041 inet->inet_sport = 0;
1041 } 1042 }
1042 sk_dst_reset(sk); 1043 sk_dst_reset(sk);
1043 return 0; 1044 return 0;
@@ -1053,7 +1054,7 @@ void udp_lib_unhash(struct sock *sk)
1053 1054
1054 spin_lock_bh(&hslot->lock); 1055 spin_lock_bh(&hslot->lock);
1055 if (sk_nulls_del_node_init_rcu(sk)) { 1056 if (sk_nulls_del_node_init_rcu(sk)) {
1056 inet_sk(sk)->num = 0; 1057 inet_sk(sk)->inet_num = 0;
1057 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); 1058 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
1058 } 1059 }
1059 spin_unlock_bh(&hslot->lock); 1060 spin_unlock_bh(&hslot->lock);
@@ -1752,10 +1753,10 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
1752 int bucket, int *len) 1753 int bucket, int *len)
1753{ 1754{
1754 struct inet_sock *inet = inet_sk(sp); 1755 struct inet_sock *inet = inet_sk(sp);
1755 __be32 dest = inet->daddr; 1756 __be32 dest = inet->inet_daddr;
1756 __be32 src = inet->rcv_saddr; 1757 __be32 src = inet->inet_rcv_saddr;
1757 __u16 destp = ntohs(inet->dport); 1758 __u16 destp = ntohs(inet->inet_dport);
1758 __u16 srcp = ntohs(inet->sport); 1759 __u16 srcp = ntohs(inet->inet_sport);
1759 1760
1760 seq_printf(f, "%5d: %08X:%04X %08X:%04X" 1761 seq_printf(f, "%5d: %08X:%04X %08X:%04X"
1761 " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n", 1762 " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n",