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-rw-r--r--net/ipv6/udp.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 15e5195549cb..ccf2f4d196be 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1,9 +1,9 @@
1/* 1/*
2 * UDP over IPv6 2 * UDP over IPv6
3 * Linux INET6 implementation 3 * Linux INET6 implementation
4 * 4 *
5 * Authors: 5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt> 6 * Pedro Roque <roque@di.fc.ul.pt>
7 * 7 *
8 * Based on linux/ipv4/udp.c 8 * Based on linux/ipv4/udp.c
9 * 9 *
@@ -67,11 +67,11 @@ static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport,
67 unsigned short hnum = ntohs(dport); 67 unsigned short hnum = ntohs(dport);
68 int badness = -1; 68 int badness = -1;
69 69
70 read_lock(&udp_hash_lock); 70 read_lock(&udp_hash_lock);
71 sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) { 71 sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
72 struct inet_sock *inet = inet_sk(sk); 72 struct inet_sock *inet = inet_sk(sk);
73 73
74 if (inet->num == hnum && sk->sk_family == PF_INET6) { 74 if (sk->sk_hash == hnum && sk->sk_family == PF_INET6) {
75 struct ipv6_pinfo *np = inet6_sk(sk); 75 struct ipv6_pinfo *np = inet6_sk(sk);
76 int score = 0; 76 int score = 0;
77 if (inet->dport) { 77 if (inet->dport) {
@@ -105,7 +105,7 @@ static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport,
105 } 105 }
106 if (result) 106 if (result)
107 sock_hold(result); 107 sock_hold(result);
108 read_unlock(&udp_hash_lock); 108 read_unlock(&udp_hash_lock);
109 return result; 109 return result;
110} 110}
111 111
@@ -120,13 +120,13 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
120{ 120{
121 struct ipv6_pinfo *np = inet6_sk(sk); 121 struct ipv6_pinfo *np = inet6_sk(sk);
122 struct inet_sock *inet = inet_sk(sk); 122 struct inet_sock *inet = inet_sk(sk);
123 struct sk_buff *skb; 123 struct sk_buff *skb;
124 size_t copied; 124 size_t copied;
125 int err, copy_only, is_udplite = IS_UDPLITE(sk); 125 int err, copy_only, is_udplite = IS_UDPLITE(sk);
126 126
127 if (addr_len) 127 if (addr_len)
128 *addr_len=sizeof(struct sockaddr_in6); 128 *addr_len=sizeof(struct sockaddr_in6);
129 129
130 if (flags & MSG_ERRQUEUE) 130 if (flags & MSG_ERRQUEUE)
131 return ipv6_recv_error(sk, msg, len); 131 return ipv6_recv_error(sk, msg, len);
132 132
@@ -135,11 +135,11 @@ try_again:
135 if (!skb) 135 if (!skb)
136 goto out; 136 goto out;
137 137
138 copied = skb->len - sizeof(struct udphdr); 138 copied = skb->len - sizeof(struct udphdr);
139 if (copied > len) { 139 if (copied > len) {
140 copied = len; 140 copied = len;
141 msg->msg_flags |= MSG_TRUNC; 141 msg->msg_flags |= MSG_TRUNC;
142 } 142 }
143 143
144 /* 144 /*
145 * Decide whether to checksum and/or copy data. 145 * Decide whether to checksum and/or copy data.
@@ -168,7 +168,7 @@ try_again:
168 /* Copy the address. */ 168 /* Copy the address. */
169 if (msg->msg_name) { 169 if (msg->msg_name) {
170 struct sockaddr_in6 *sin6; 170 struct sockaddr_in6 *sin6;
171 171
172 sin6 = (struct sockaddr_in6 *) msg->msg_name; 172 sin6 = (struct sockaddr_in6 *) msg->msg_name;
173 sin6->sin6_family = AF_INET6; 173 sin6->sin6_family = AF_INET6;
174 sin6->sin6_port = skb->h.uh->source; 174 sin6->sin6_port = skb->h.uh->source;
@@ -191,7 +191,7 @@ try_again:
191 } else { 191 } else {
192 if (np->rxopt.all) 192 if (np->rxopt.all)
193 datagram_recv_ctl(sk, msg, skb); 193 datagram_recv_ctl(sk, msg, skb);
194 } 194 }
195 195
196 err = copied; 196 err = copied;
197 if (flags & MSG_TRUNC) 197 if (flags & MSG_TRUNC)
@@ -309,7 +309,7 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
309 sk_for_each_from(s, node) { 309 sk_for_each_from(s, node) {
310 struct inet_sock *inet = inet_sk(s); 310 struct inet_sock *inet = inet_sk(s);
311 311
312 if (inet->num == num && s->sk_family == PF_INET6) { 312 if (s->sk_hash == num && s->sk_family == PF_INET6) {
313 struct ipv6_pinfo *np = inet6_sk(s); 313 struct ipv6_pinfo *np = inet6_sk(s);
314 if (inet->dport) { 314 if (inet->dport) {
315 if (inet->dport != rmt_port) 315 if (inet->dport != rmt_port)
@@ -339,7 +339,7 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
339 * so we don't need to lock the hashes. 339 * so we don't need to lock the hashes.
340 */ 340 */
341static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr, 341static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
342 struct in6_addr *daddr, struct hlist_head udptable[]) 342 struct in6_addr *daddr, struct hlist_head udptable[])
343{ 343{
344 struct sock *sk, *sk2; 344 struct sock *sk, *sk2;
345 const struct udphdr *uh = skb->h.uh; 345 const struct udphdr *uh = skb->h.uh;
@@ -379,7 +379,7 @@ static inline int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh)
379 } 379 }
380 if (skb->ip_summed == CHECKSUM_COMPLETE && 380 if (skb->ip_summed == CHECKSUM_COMPLETE &&
381 !csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr, 381 !csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
382 skb->len, IPPROTO_UDP, skb->csum )) 382 skb->len, IPPROTO_UDP, skb->csum ))
383 skb->ip_summed = CHECKSUM_UNNECESSARY; 383 skb->ip_summed = CHECKSUM_UNNECESSARY;
384 384
385 if (skb->ip_summed != CHECKSUM_UNNECESSARY) 385 if (skb->ip_summed != CHECKSUM_UNNECESSARY)
@@ -396,7 +396,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
396{ 396{
397 struct sk_buff *skb = *pskb; 397 struct sk_buff *skb = *pskb;
398 struct sock *sk; 398 struct sock *sk;
399 struct udphdr *uh; 399 struct udphdr *uh;
400 struct net_device *dev = skb->dev; 400 struct net_device *dev = skb->dev;
401 struct in6_addr *saddr, *daddr; 401 struct in6_addr *saddr, *daddr;
402 u32 ulen = 0; 402 u32 ulen = 0;
@@ -437,15 +437,15 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
437 goto discard; 437 goto discard;
438 } 438 }
439 439
440 /* 440 /*
441 * Multicast receive code 441 * Multicast receive code
442 */ 442 */
443 if (ipv6_addr_is_multicast(daddr)) 443 if (ipv6_addr_is_multicast(daddr))
444 return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable); 444 return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable);
445 445
446 /* Unicast */ 446 /* Unicast */
447 447
448 /* 448 /*
449 * check socket cache ... must talk to Alan about his plans 449 * check socket cache ... must talk to Alan about his plans
450 * for sock caches... i'll skip this for now. 450 * for sock caches... i'll skip this for now.
451 */ 451 */
@@ -465,21 +465,21 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
465 kfree_skb(skb); 465 kfree_skb(skb);
466 return(0); 466 return(0);
467 } 467 }
468 468
469 /* deliver */ 469 /* deliver */
470 470
471 udpv6_queue_rcv_skb(sk, skb); 471 udpv6_queue_rcv_skb(sk, skb);
472 sock_put(sk); 472 sock_put(sk);
473 return(0); 473 return(0);
474 474
475short_packet: 475short_packet:
476 LIMIT_NETDEBUG(KERN_DEBUG "UDP%sv6: short packet: %d/%u\n", 476 LIMIT_NETDEBUG(KERN_DEBUG "UDP%sv6: short packet: %d/%u\n",
477 is_udplite? "-Lite" : "", ulen, skb->len); 477 is_udplite? "-Lite" : "", ulen, skb->len);
478 478
479discard: 479discard:
480 UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite); 480 UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
481 kfree_skb(skb); 481 kfree_skb(skb);
482 return(0); 482 return(0);
483} 483}
484 484
485static __inline__ int udpv6_rcv(struct sk_buff **pskb) 485static __inline__ int udpv6_rcv(struct sk_buff **pskb)
@@ -498,7 +498,7 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
498 up->len = 0; 498 up->len = 0;
499 up->pending = 0; 499 up->pending = 0;
500 ip6_flush_pending_frames(sk); 500 ip6_flush_pending_frames(sk);
501 } 501 }
502} 502}
503 503
504/* 504/*
@@ -594,7 +594,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
594 if (sk->sk_state != TCP_ESTABLISHED) 594 if (sk->sk_state != TCP_ESTABLISHED)
595 return -EDESTADDRREQ; 595 return -EDESTADDRREQ;
596 daddr = &np->daddr; 596 daddr = &np->daddr;
597 } else 597 } else
598 daddr = NULL; 598 daddr = NULL;
599 599
600 if (daddr) { 600 if (daddr) {
@@ -620,7 +620,7 @@ do_udp_sendmsg:
620 */ 620 */
621 if (len > INT_MAX - sizeof(struct udphdr)) 621 if (len > INT_MAX - sizeof(struct udphdr))
622 return -EMSGSIZE; 622 return -EMSGSIZE;
623 623
624 if (up->pending) { 624 if (up->pending) {
625 /* 625 /*
626 * There are pending frames. 626 * There are pending frames.
@@ -713,7 +713,7 @@ do_udp_sendmsg:
713 if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr)) 713 if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
714 ipv6_addr_copy(&fl.fl6_src, &np->saddr); 714 ipv6_addr_copy(&fl.fl6_src, &np->saddr);
715 fl.fl_ip_sport = inet->sport; 715 fl.fl_ip_sport = inet->sport;
716 716
717 /* merge ip6_build_xmit from ip6_output */ 717 /* merge ip6_build_xmit from ip6_output */
718 if (opt && opt->srcrt) { 718 if (opt && opt->srcrt) {
719 struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt; 719 struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
@@ -911,7 +911,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
911 src->s6_addr32[2], src->s6_addr32[3], srcp, 911 src->s6_addr32[2], src->s6_addr32[3], srcp,
912 dest->s6_addr32[0], dest->s6_addr32[1], 912 dest->s6_addr32[0], dest->s6_addr32[1],
913 dest->s6_addr32[2], dest->s6_addr32[3], destp, 913 dest->s6_addr32[2], dest->s6_addr32[3], destp,
914 sp->sk_state, 914 sp->sk_state,
915 atomic_read(&sp->sk_wmem_alloc), 915 atomic_read(&sp->sk_wmem_alloc),
916 atomic_read(&sp->sk_rmem_alloc), 916 atomic_read(&sp->sk_rmem_alloc),
917 0, 0L, 0, 917 0, 0L, 0,