[IPV6]: Introduce the INET6_TW_MATCH macro.

[safe/jmp/linux-2.6] / net / ipv6 / mcast.c

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index a41d5a0..ab228d1 100644 (file)
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -215,7 +215,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
                        dst_release(&rt->u.dst);
                }
        } else
-               dev = dev_get_by_index(ifindex);
+               dev = dev_get_by_index(&init_net, ifindex);
 
        if (dev == NULL) {
                sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
@@ -266,7 +266,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
                        *lnk = mc_lst->next;
                        write_unlock_bh(&ipv6_sk_mc_lock);
 
-                       if ((dev = dev_get_by_index(mc_lst->ifindex)) != NULL) {
+                       if ((dev = dev_get_by_index(&init_net, mc_lst->ifindex)) != NULL) {
                                struct inet6_dev *idev = in6_dev_get(dev);
 
                                (void) ip6_mc_leave_src(sk, mc_lst, idev);
@@ -301,7 +301,7 @@ static struct inet6_dev *ip6_mc_find_dev(struct in6_addr *group, int ifindex)
                        dst_release(&rt->u.dst);
                }
        } else
-               dev = dev_get_by_index(ifindex);
+               dev = dev_get_by_index(&init_net, ifindex);
 
        if (!dev)
                return NULL;
@@ -332,7 +332,7 @@ void ipv6_sock_mc_close(struct sock *sk)
                np->ipv6_mc_list = mc_lst->next;
                write_unlock_bh(&ipv6_sk_mc_lock);
 
-               dev = dev_get_by_index(mc_lst->ifindex);
+               dev = dev_get_by_index(&init_net, mc_lst->ifindex);
                if (dev) {
                        struct inet6_dev *idev = in6_dev_get(dev);
 
@@ -903,9 +903,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
                return -ENOMEM;
        }
 
-       init_timer(&mc->mca_timer);
-       mc->mca_timer.function = igmp6_timer_handler;
-       mc->mca_timer.data = (unsigned long) mc;
+       setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
 
        ipv6_addr_copy(&mc->mca_addr, addr);
        mc->idev = idev;
@@ -1407,7 +1405,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
        /* we assume size > sizeof(ra) here */
        skb = sock_alloc_send_skb(sk, size + LL_RESERVED_SPACE(dev), 1, &err);
 
-       if (skb == 0)
+       if (!skb)
                return NULL;
 
        skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -1438,24 +1436,19 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
 static inline int mld_dev_queue_xmit2(struct sk_buff *skb)
 {
        struct net_device *dev = skb->dev;
+       unsigned char ha[MAX_ADDR_LEN];
 
-       if (dev->hard_header) {
-               unsigned char ha[MAX_ADDR_LEN];
-               int err;
-
-               ndisc_mc_map(&ipv6_hdr(skb)->daddr, ha, dev, 1);
-               err = dev->hard_header(skb, dev, ETH_P_IPV6, ha, NULL, skb->len);
-               if (err < 0) {
-                       kfree_skb(skb);
-                       return err;
-               }
+       ndisc_mc_map(&ipv6_hdr(skb)->daddr, ha, dev, 1);
+       if (dev_hard_header(skb, dev, ETH_P_IPV6, ha, NULL, skb->len) < 0) {
+               kfree_skb(skb);
+               return -EINVAL;
        }
        return dev_queue_xmit(skb);
 }
 
 static inline int mld_dev_queue_xmit(struct sk_buff *skb)
 {
-       return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb, NULL, skb->dev,
+       return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb->dev,
                       mld_dev_queue_xmit2);
 }
 
@@ -1476,13 +1469,14 @@ static void mld_sendpack(struct sk_buff *skb)
        pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen,
                IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb),
                                             mldlen, 0));
-       err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
+       err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
                mld_dev_queue_xmit);
        if (!err) {
-               ICMP6_INC_STATS(idev,ICMP6_MIB_OUTMSGS);
-               IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
+               ICMP6MSGOUT_INC_STATS_BH(idev, ICMPV6_MLD2_REPORT);
+               ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
+               IP6_INC_STATS_BH(idev, IPSTATS_MIB_OUTMCASTPKTS);
        } else
-               IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
+               IP6_INC_STATS_BH(idev, IPSTATS_MIB_OUTDISCARDS);
 
        if (likely(idev != NULL))
                in6_dev_put(idev);
@@ -1819,13 +1813,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
 
        idev = in6_dev_get(skb->dev);
 
-       err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
+       err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
                mld_dev_queue_xmit);
        if (!err) {
-               if (type == ICMPV6_MGM_REDUCTION)
-                       ICMP6_INC_STATS(idev, ICMP6_MIB_OUTGROUPMEMBREDUCTIONS);
-               else
-                       ICMP6_INC_STATS(idev, ICMP6_MIB_OUTGROUPMEMBRESPONSES);
+               ICMP6MSGOUT_INC_STATS(idev, type);
                ICMP6_INC_STATS(idev, ICMP6_MIB_OUTMSGS);
                IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
        } else
@@ -2151,7 +2142,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
        /* callers have the socket lock and a write lock on ipv6_sk_mc_lock,
         * so no other readers or writers of iml or its sflist
         */
-       if (iml->sflist == 0) {
+       if (!iml->sflist) {
                /* any-source empty exclude case */
                return ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0);
        }
@@ -2266,14 +2257,12 @@ void ipv6_mc_init_dev(struct inet6_dev *idev)
        write_lock_bh(&idev->lock);
        rwlock_init(&idev->mc_lock);
        idev->mc_gq_running = 0;
-       init_timer(&idev->mc_gq_timer);
-       idev->mc_gq_timer.data = (unsigned long) idev;
-       idev->mc_gq_timer.function = &mld_gq_timer_expire;
+       setup_timer(&idev->mc_gq_timer, mld_gq_timer_expire,
+                       (unsigned long)idev);
        idev->mc_tomb = NULL;
        idev->mc_ifc_count = 0;
-       init_timer(&idev->mc_ifc_timer);
-       idev->mc_ifc_timer.data = (unsigned long) idev;
-       idev->mc_ifc_timer.function = &mld_ifc_timer_expire;
+       setup_timer(&idev->mc_ifc_timer, mld_ifc_timer_expire,
+                       (unsigned long)idev);
        idev->mc_qrv = MLD_QRV_DEFAULT;
        idev->mc_maxdelay = IGMP6_UNSOLICITED_IVAL;
        idev->mc_v1_seen = 0;
@@ -2333,7 +2322,7 @@ static inline struct ifmcaddr6 *igmp6_mc_get_first(struct seq_file *seq)
        struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
 
        state->idev = NULL;
-       for_each_netdev(state->dev) {
+       for_each_netdev(&init_net, state->dev) {
                struct inet6_dev *idev;
                idev = in6_dev_get(state->dev);
                if (!idev)
@@ -2384,6 +2373,7 @@ static struct ifmcaddr6 *igmp6_mc_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *igmp6_mc_seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(dev_base_lock)
 {
        read_lock(&dev_base_lock);
        return igmp6_mc_get_idx(seq, *pos);
@@ -2398,6 +2388,7 @@ static void *igmp6_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void igmp6_mc_seq_stop(struct seq_file *seq, void *v)
+       __releases(dev_base_lock)
 {
        struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
        if (likely(state->idev != NULL)) {
@@ -2433,24 +2424,8 @@ static const struct seq_operations igmp6_mc_seq_ops = {
 
 static int igmp6_mc_seq_open(struct inode *inode, struct file *file)
 {
-       struct seq_file *seq;
-       int rc = -ENOMEM;
-       struct igmp6_mc_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
-       if (!s)
-               goto out;
-
-       rc = seq_open(file, &igmp6_mc_seq_ops);
-       if (rc)
-               goto out_kfree;
-
-       seq = file->private_data;
-       seq->private = s;
-out:
-       return rc;
-out_kfree:
-       kfree(s);
-       goto out;
+       return seq_open_private(file, &igmp6_mc_seq_ops,
+                       sizeof(struct igmp6_mc_iter_state));
 }
 
 static const struct file_operations igmp6_mc_seq_fops = {
@@ -2477,7 +2452,7 @@ static inline struct ip6_sf_list *igmp6_mcf_get_first(struct seq_file *seq)
 
        state->idev = NULL;
        state->im = NULL;
-       for_each_netdev(state->dev) {
+       for_each_netdev(&init_net, state->dev) {
                struct inet6_dev *idev;
                idev = in6_dev_get(state->dev);
                if (unlikely(idev == NULL))
@@ -2543,6 +2518,7 @@ static struct ip6_sf_list *igmp6_mcf_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *igmp6_mcf_seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(dev_base_lock)
 {
        read_lock(&dev_base_lock);
        return *pos ? igmp6_mcf_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
@@ -2560,6 +2536,7 @@ static void *igmp6_mcf_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void igmp6_mcf_seq_stop(struct seq_file *seq, void *v)
+       __releases(dev_base_lock)
 {
        struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
        if (likely(state->im != NULL)) {
@@ -2607,24 +2584,8 @@ static const struct seq_operations igmp6_mcf_seq_ops = {
 
 static int igmp6_mcf_seq_open(struct inode *inode, struct file *file)
 {
-       struct seq_file *seq;
-       int rc = -ENOMEM;
-       struct igmp6_mcf_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
-       if (!s)
-               goto out;
-
-       rc = seq_open(file, &igmp6_mcf_seq_ops);
-       if (rc)
-               goto out_kfree;
-
-       seq = file->private_data;
-       seq->private = s;
-out:
-       return rc;
-out_kfree:
-       kfree(s);
-       goto out;
+       return seq_open_private(file, &igmp6_mcf_seq_ops,
+                       sizeof(struct igmp6_mcf_iter_state));
 }
 
 static const struct file_operations igmp6_mcf_seq_fops = {