X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fsctp%2Fipv6.c;h=ef36be073a139418ef7e50942150eaa7f4acfcaf;hb=refs%2Fheads%2Fvserver;hp=99c0cefc04e072ff49b1b794777d7cb904a6cd95;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 99c0cefc0..ef36be073 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -78,14 +78,49 @@ #include -extern int sctp_inetaddr_event(struct notifier_block *, unsigned long, void *); +/* Event handler for inet6 address addition/deletion events. */ +static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev, + void *ptr) +{ + struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; + struct sctp_sockaddr_entry *addr; + struct list_head *pos, *temp; + + switch (ev) { + case NETDEV_UP: + addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC); + if (addr) { + addr->a.v6.sin6_family = AF_INET6; + addr->a.v6.sin6_port = 0; + memcpy(&addr->a.v6.sin6_addr, &ifa->addr, + sizeof(struct in6_addr)); + addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex; + list_add_tail(&addr->list, &sctp_local_addr_list); + } + break; + case NETDEV_DOWN: + list_for_each_safe(pos, temp, &sctp_local_addr_list) { + addr = list_entry(pos, struct sctp_sockaddr_entry, list); + if (ipv6_addr_equal(&addr->a.v6.sin6_addr, &ifa->addr)) { + list_del(pos); + kfree(addr); + break; + } + } + + break; + } + + return NOTIFY_DONE; +} + static struct notifier_block sctp_inet6addr_notifier = { - .notifier_call = sctp_inetaddr_event, + .notifier_call = sctp_inet6addr_event, }; /* ICMP error handler. */ SCTP_STATIC void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, - int type, int code, int offset, __u32 info) + int type, int code, int offset, __be32 info) { struct inet6_dev *idev; struct ipv6hdr *iph = (struct ipv6hdr *)skb->data; @@ -171,8 +206,6 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport, fl.oif = transport->saddr.v6.sin6_scope_id; else fl.oif = sk->sk_bound_dev_if; - fl.fl_ip_sport = inet_sk(sk)->sport; - fl.fl_ip_dport = transport->ipaddr.v6.sin6_port; if (np->opt && np->opt->srcrt) { struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt; @@ -216,17 +249,17 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc, } dst = ip6_route_output(NULL, &fl); - if (dst) { + if (!dst->error) { struct rt6_info *rt; rt = (struct rt6_info *)dst; SCTP_DEBUG_PRINTK( "rt6_dst:" NIP6_FMT " rt6_src:" NIP6_FMT "\n", NIP6(rt->rt6i_dst.addr), NIP6(rt->rt6i_src.addr)); - } else { - SCTP_DEBUG_PRINTK("NO ROUTE\n"); + return dst; } - - return dst; + SCTP_DEBUG_PRINTK("NO ROUTE\n"); + dst_release(dst); + return NULL; } /* Returns the number of consecutive initial bits that match in the 2 ipv6 @@ -240,7 +273,7 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1, int i, j; for (i = 0; i < 4 ; i++) { - __u32 a1xora2; + __be32 a1xora2; a1xora2 = a1->s6_addr32[i] ^ a2->s6_addr32[i]; @@ -322,9 +355,9 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist, struct inet6_ifaddr *ifp; struct sctp_sockaddr_entry *addr; - read_lock(&addrconf_lock); + rcu_read_lock(); if ((in6_dev = __in6_dev_get(dev)) == NULL) { - read_unlock(&addrconf_lock); + rcu_read_unlock(); return; } @@ -343,7 +376,7 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist, } read_unlock(&in6_dev->lock); - read_unlock(&addrconf_lock); + rcu_read_unlock(); } /* Initialize a sockaddr_storage from in incoming skb. */ @@ -351,7 +384,7 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb, int is_saddr) { void *from; - __u16 *port; + __be16 *port; struct sctphdr *sh; port = &addr->v6.sin6_port; @@ -361,10 +394,10 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb, sh = (struct sctphdr *) skb->h.raw; if (is_saddr) { - *port = ntohs(sh->source); + *port = sh->source; from = &skb->nh.ipv6h->saddr; } else { - *port = ntohs(sh->dest); + *port = sh->dest; from = &skb->nh.ipv6h->daddr; } ipv6_addr_copy(&addr->v6.sin6_addr, from); @@ -374,7 +407,7 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb, static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk) { addr->v6.sin6_family = AF_INET6; - addr->v6.sin6_port = inet_sk(sk)->num; + addr->v6.sin6_port = 0; addr->v6.sin6_addr = inet6_sk(sk)->rcv_saddr; } @@ -408,7 +441,7 @@ static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk) /* Initialize a sctp_addr from an address parameter. */ static void sctp_v6_from_addr_param(union sctp_addr *addr, union sctp_addr_param *param, - __u16 port, int iif) + __be16 port, int iif) { addr->v6.sin6_family = AF_INET6; addr->v6.sin6_port = port; @@ -426,7 +459,7 @@ static int sctp_v6_to_addr_param(const union sctp_addr *addr, int length = sizeof(sctp_ipv6addr_param_t); param->v6.param_hdr.type = SCTP_PARAM_IPV6_ADDRESS; - param->v6.param_hdr.length = ntohs(length); + param->v6.param_hdr.length = htons(length); ipv6_addr_copy(¶m->v6.addr, &addr->v6.sin6_addr); return length; @@ -434,7 +467,7 @@ static int sctp_v6_to_addr_param(const union sctp_addr *addr, /* Initialize a sctp_addr from a dst_entry. */ static void sctp_v6_dst_saddr(union sctp_addr *addr, struct dst_entry *dst, - unsigned short port) + __be16 port) { struct rt6_info *rt = (struct rt6_info *)dst; addr->sa.sa_family = AF_INET6; @@ -481,7 +514,7 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1, } /* Initialize addr struct to INADDR_ANY. */ -static void sctp_v6_inaddr_any(union sctp_addr *addr, unsigned short port) +static void sctp_v6_inaddr_any(union sctp_addr *addr, __be16 port) { memset(addr, 0x00, sizeof(union sctp_addr)); addr->v6.sin6_family = AF_INET6; @@ -856,7 +889,7 @@ static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr) * Returns number of addresses supported. */ static int sctp_inet6_supported_addrs(const struct sctp_sock *opt, - __u16 *types) + __be16 *types) { types[0] = SCTP_PARAM_IPV4_ADDRESS; types[1] = SCTP_PARAM_IPV6_ADDRESS;