Merge commit 'v2.6.32-rc7'

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

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 693d208..2499e97 100644 (file)
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -189,7 +189,7 @@ static void ip6_evictor(struct net *net, struct inet6_dev *idev)
 
        evicted = inet_frag_evictor(&net->ipv6.frags, &ip6_frags);
        if (evicted)
-               IP6_ADD_STATS_BH(idev, IPSTATS_MIB_REASMFAILS, evicted);
+               IP6_ADD_STATS_BH(net, idev, IPSTATS_MIB_REASMFAILS, evicted);
 }
 
 static void ip6_frag_expire(unsigned long data)
@@ -267,7 +267,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
        struct sk_buff *prev, *next;
        struct net_device *dev;
        int offset, end;
-       struct net *net = dev_net(skb->dst->dev);
+       struct net *net = dev_net(skb_dst(skb)->dev);
 
        if (fq->q.last_in & INET_FRAG_COMPLETE)
                goto err;
@@ -277,7 +277,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
                        ((u8 *)(fhdr + 1) - (u8 *)(ipv6_hdr(skb) + 1)));
 
        if ((unsigned int)end > IPV6_MAXPLEN) {
-               IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+               IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                 IPSTATS_MIB_INHDRERRORS);
                icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
                                  ((u8 *)&fhdr->frag_off -
@@ -310,7 +310,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
                        /* RFC2460 says always send parameter problem in
                         * this case. -DaveM
                         */
-                       IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                       IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                         IPSTATS_MIB_INHDRERRORS);
                        icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
                                          offsetof(struct ipv6hdr, payload_len));
@@ -434,7 +434,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
        return -1;
 
 err:
-       IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+       IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                      IPSTATS_MIB_REASMFAILS);
        kfree_skb(skb);
        return -1;
@@ -452,6 +452,7 @@ err:
 static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
                          struct net_device *dev)
 {
+       struct net *net = container_of(fq->q.net, struct net, ipv6.frags);
        struct sk_buff *fp, *head = fq->q.fragments;
        int    payload_len;
        unsigned int nhoff;
@@ -493,7 +494,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
        /* If the first fragment is fragmented itself, we split
         * it to two chunks: the first with data and paged part
         * and the second, holding only fragments. */
-       if (skb_shinfo(head)->frag_list) {
+       if (skb_has_frags(head)) {
                struct sk_buff *clone;
                int i, plen = 0;
 
@@ -502,7 +503,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
                clone->next = head->next;
                head->next = clone;
                skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-               skb_shinfo(head)->frag_list = NULL;
+               skb_frag_list_init(head);
                for (i=0; i<skb_shinfo(head)->nr_frags; i++)
                        plen += skb_shinfo(head)->frags[i].size;
                clone->len = clone->data_len = head->data_len - plen;
@@ -551,8 +552,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
                                          head->csum);
 
        rcu_read_lock();
-       IP6_INC_STATS_BH(dev_net(dev),
-                        __in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
+       IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
        rcu_read_unlock();
        fq->q.fragments = NULL;
        return 1;
@@ -566,8 +566,7 @@ out_oom:
                printk(KERN_DEBUG "ip6_frag_reasm: no memory for reassembly\n");
 out_fail:
        rcu_read_lock();
-       IP6_INC_STATS_BH(dev_net(dev),
-                        __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
+       IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
        rcu_read_unlock();
        return -1;
 }
@@ -577,9 +576,9 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
        struct frag_hdr *fhdr;
        struct frag_queue *fq;
        struct ipv6hdr *hdr = ipv6_hdr(skb);
-       struct net *net = dev_net(skb->dst->dev);
+       struct net *net = dev_net(skb_dst(skb)->dev);
 
-       IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMREQDS);
+       IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMREQDS);
 
        /* Jumbo payload inhibits frag. header */
        if (hdr->payload_len==0)
@@ -596,17 +595,17 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
                /* It is not a fragmented frame */
                skb->transport_header += sizeof(struct frag_hdr);
                IP6_INC_STATS_BH(net,
-                                ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMOKS);
+                                ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMOKS);
 
                IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
                return 1;
        }
 
        if (atomic_read(&net->ipv6.frags.mem) > net->ipv6.frags.high_thresh)
-               ip6_evictor(net, ip6_dst_idev(skb->dst));
+               ip6_evictor(net, ip6_dst_idev(skb_dst(skb)));
 
        if ((fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr,
-                         ip6_dst_idev(skb->dst))) != NULL) {
+                         ip6_dst_idev(skb_dst(skb)))) != NULL) {
                int ret;
 
                spin_lock(&fq->q.lock);
@@ -618,17 +617,17 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
                return ret;
        }
 
-       IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMFAILS);
+       IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMFAILS);
        kfree_skb(skb);
        return -1;
 
 fail_hdr:
-       IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+       IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_INHDRERRORS);
        icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, skb_network_header_len(skb));
        return -1;
 }
 
-static struct inet6_protocol frag_protocol =
+static const struct inet6_protocol frag_protocol =
 {
        .handler        =       ipv6_frag_rcv,
        .flags          =       INET6_PROTO_NOPOLICY,
@@ -637,42 +636,36 @@ static struct inet6_protocol frag_protocol =
 #ifdef CONFIG_SYSCTL
 static struct ctl_table ip6_frags_ns_ctl_table[] = {
        {
-               .ctl_name       = NET_IPV6_IP6FRAG_HIGH_THRESH,
                .procname       = "ip6frag_high_thresh",
                .data           = &init_net.ipv6.frags.high_thresh,
                .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec
+               .proc_handler   = proc_dointvec
        },
        {
-               .ctl_name       = NET_IPV6_IP6FRAG_LOW_THRESH,
                .procname       = "ip6frag_low_thresh",
                .data           = &init_net.ipv6.frags.low_thresh,
                .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec
+               .proc_handler   = proc_dointvec
        },
        {
-               .ctl_name       = NET_IPV6_IP6FRAG_TIME,
                .procname       = "ip6frag_time",
                .data           = &init_net.ipv6.frags.timeout,
                .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
-               .strategy       = &sysctl_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        { }
 };
 
 static struct ctl_table ip6_frags_ctl_table[] = {
        {
-               .ctl_name       = NET_IPV6_IP6FRAG_SECRET_INTERVAL,
                .procname       = "ip6frag_secret_interval",
                .data           = &ip6_frags.secret_interval,
                .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
-               .strategy       = &sysctl_jiffies
+               .proc_handler   = proc_dointvec_jiffies,
        },
        { }
 };