diff options
Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r-- | net/ipv6/udp.c | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index f52a5c3cc0a3..0ad471909881 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1,9 +1,9 @@ /* * UDP over IPv6 - * Linux INET6 implementation + * Linux INET6 implementation * * Authors: - * Pedro Roque <roque@di.fc.ul.pt> + * Pedro Roque <roque@di.fc.ul.pt> * * Based on linux/ipv4/udp.c * @@ -27,7 +27,6 @@ #include <linux/types.h> #include <linux/socket.h> #include <linux/sockios.h> -#include <linux/sched.h> #include <linux/net.h> #include <linux/in6.h> #include <linux/netdevice.h> @@ -67,11 +66,11 @@ static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport, unsigned short hnum = ntohs(dport); int badness = -1; - read_lock(&udp_hash_lock); + read_lock(&udp_hash_lock); sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) { struct inet_sock *inet = inet_sk(sk); - if (inet->num == hnum && sk->sk_family == PF_INET6) { + if (sk->sk_hash == hnum && sk->sk_family == PF_INET6) { struct ipv6_pinfo *np = inet6_sk(sk); int score = 0; if (inet->dport) { @@ -105,7 +104,7 @@ static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport, } if (result) sock_hold(result); - read_unlock(&udp_hash_lock); + read_unlock(&udp_hash_lock); return result; } @@ -120,13 +119,13 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, { struct ipv6_pinfo *np = inet6_sk(sk); struct inet_sock *inet = inet_sk(sk); - struct sk_buff *skb; + struct sk_buff *skb; size_t copied; int err, copy_only, is_udplite = IS_UDPLITE(sk); - if (addr_len) - *addr_len=sizeof(struct sockaddr_in6); - + if (addr_len) + *addr_len=sizeof(struct sockaddr_in6); + if (flags & MSG_ERRQUEUE) return ipv6_recv_error(sk, msg, len); @@ -135,11 +134,11 @@ try_again: if (!skb) goto out; - copied = skb->len - sizeof(struct udphdr); - if (copied > len) { - copied = len; - msg->msg_flags |= MSG_TRUNC; - } + copied = skb->len - sizeof(struct udphdr); + if (copied > len) { + copied = len; + msg->msg_flags |= MSG_TRUNC; + } /* * Decide whether to checksum and/or copy data. @@ -168,7 +167,7 @@ try_again: /* Copy the address. */ if (msg->msg_name) { struct sockaddr_in6 *sin6; - + sin6 = (struct sockaddr_in6 *) msg->msg_name; sin6->sin6_family = AF_INET6; sin6->sin6_port = skb->h.uh->source; @@ -191,7 +190,7 @@ try_again: } else { if (np->rxopt.all) datagram_recv_ctl(sk, msg, skb); - } + } err = copied; if (flags & MSG_TRUNC) @@ -309,7 +308,7 @@ static struct sock *udp_v6_mcast_next(struct sock *sk, sk_for_each_from(s, node) { struct inet_sock *inet = inet_sk(s); - if (inet->num == num && s->sk_family == PF_INET6) { + if (s->sk_hash == num && s->sk_family == PF_INET6) { struct ipv6_pinfo *np = inet6_sk(s); if (inet->dport) { if (inet->dport != rmt_port) @@ -339,7 +338,7 @@ static struct sock *udp_v6_mcast_next(struct sock *sk, * so we don't need to lock the hashes. */ static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr, - struct in6_addr *daddr, struct hlist_head udptable[]) + struct in6_addr *daddr, struct hlist_head udptable[]) { struct sock *sk, *sk2; const struct udphdr *uh = skb->h.uh; @@ -379,7 +378,7 @@ static inline int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh) } if (skb->ip_summed == CHECKSUM_COMPLETE && !csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr, - skb->len, IPPROTO_UDP, skb->csum )) + skb->len, IPPROTO_UDP, skb->csum )) skb->ip_summed = CHECKSUM_UNNECESSARY; if (skb->ip_summed != CHECKSUM_UNNECESSARY) @@ -396,7 +395,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[], { struct sk_buff *skb = *pskb; struct sock *sk; - struct udphdr *uh; + struct udphdr *uh; struct net_device *dev = skb->dev; struct in6_addr *saddr, *daddr; u32 ulen = 0; @@ -437,15 +436,15 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[], goto discard; } - /* - * Multicast receive code + /* + * Multicast receive code */ if (ipv6_addr_is_multicast(daddr)) return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable); /* Unicast */ - /* + /* * check socket cache ... must talk to Alan about his plans * for sock caches... i'll skip this for now. */ @@ -465,21 +464,21 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[], kfree_skb(skb); return(0); } - + /* deliver */ - + udpv6_queue_rcv_skb(sk, skb); sock_put(sk); return(0); -short_packet: +short_packet: LIMIT_NETDEBUG(KERN_DEBUG "UDP%sv6: short packet: %d/%u\n", is_udplite? "-Lite" : "", ulen, skb->len); discard: UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite); kfree_skb(skb); - return(0); + return(0); } static __inline__ int udpv6_rcv(struct sk_buff **pskb) @@ -498,7 +497,7 @@ static void udp_v6_flush_pending_frames(struct sock *sk) up->len = 0; up->pending = 0; ip6_flush_pending_frames(sk); - } + } } /* @@ -594,7 +593,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, if (sk->sk_state != TCP_ESTABLISHED) return -EDESTADDRREQ; daddr = &np->daddr; - } else + } else daddr = NULL; if (daddr) { @@ -620,7 +619,7 @@ do_udp_sendmsg: */ if (len > INT_MAX - sizeof(struct udphdr)) return -EMSGSIZE; - + if (up->pending) { /* * There are pending frames. @@ -713,7 +712,7 @@ do_udp_sendmsg: 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; - + /* merge ip6_build_xmit from ip6_output */ if (opt && opt->srcrt) { struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt; @@ -736,7 +735,7 @@ do_udp_sendmsg: if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) + if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0) goto out; if (hlimit < 0) { @@ -911,7 +910,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket src->s6_addr32[2], src->s6_addr32[3], srcp, dest->s6_addr32[0], dest->s6_addr32[1], dest->s6_addr32[2], dest->s6_addr32[3], destp, - sp->sk_state, + sp->sk_state, atomic_read(&sp->sk_wmem_alloc), atomic_read(&sp->sk_rmem_alloc), 0, 0L, 0, |