Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5ab11c98d3a950faf6922b6166e5f8fc874590e7
Commit:     5ab11c98d3a950faf6922b6166e5f8fc874590e7
Parent:     114342f2d38439cb1a54f1f724fa38729b093c48
Author:     Pavel Emelyanov <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 15 02:24:19 2007 -0700
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Oct 15 12:26:38 2007 -0700

    [INET]: Move common fields from frag_queues in one place.
    
    Introduce the struct inet_frag_queue in include/net/inet_frag.h
    file and place there all the common fields from three structs:
    
     * struct ipq in ipv4/ip_fragment.c
     * struct nf_ct_frag6_queue in nf_conntrack_reasm.c
     * struct frag_queue in ipv6/reassembly.c
    
    After this, replace these fields on appropriate structures with
    this structure instance and fix the users to use correct names
    i.e. hunks like
    
    -    atomic_dec(&fq->refcnt);
    +    atomic_dec(&fq->q.refcnt);
    
    (these occupy most of the patch)
    
    Signed-off-by: Pavel Emelyanov <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 include/net/inet_frag.h                 |   21 ++++
 net/ipv4/ip_fragment.c                  |  177 ++++++++++++++----------------
 net/ipv6/netfilter/nf_conntrack_reasm.c |  137 +++++++++++-------------
 net/ipv6/reassembly.c                   |  153 ++++++++++++--------------
 4 files changed, 238 insertions(+), 250 deletions(-)

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
new file mode 100644
index 0000000..74e9cb9
--- /dev/null
+++ b/include/net/inet_frag.h
@@ -0,0 +1,21 @@
+#ifndef __NET_FRAG_H__
+#define __NET_FRAG_H__
+
+struct inet_frag_queue {
+       struct hlist_node       list;
+       struct list_head        lru_list;   /* lru list member */
+       spinlock_t              lock;
+       atomic_t                refcnt;
+       struct timer_list       timer;      /* when will this queue expire? */
+       struct sk_buff          *fragments; /* list of received fragments */
+       ktime_t                 stamp;
+       int                     len;        /* total length of orig datagram */
+       int                     meat;
+       __u8                    last_in;    /* first/last segment arrived? */
+
+#define COMPLETE               4
+#define FIRST_IN               2
+#define LAST_IN                        1
+};
+
+#endif
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 32108cf..428eaa5 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -39,6 +39,7 @@
 #include <net/icmp.h>
 #include <net/checksum.h>
 #include <net/inetpeer.h>
+#include <net/inet_frag.h>
 #include <linux/tcp.h>
 #include <linux/udp.h>
 #include <linux/inet.h>
@@ -74,25 +75,13 @@ struct ipfrag_skb_cb
 
 /* Describe an entry in the "incomplete datagrams" queue. */
 struct ipq {
-       struct hlist_node list;
-       struct list_head lru_list;      /* lru list member                      
*/
+       struct inet_frag_queue q;
+
        u32             user;
        __be32          saddr;
        __be32          daddr;
        __be16          id;
        u8              protocol;
-       u8              last_in;
-#define COMPLETE               4
-#define FIRST_IN               2
-#define LAST_IN                        1
-
-       struct sk_buff  *fragments;     /* linked list of received fragments    
*/
-       int             len;            /* total length of original datagram    
*/
-       int             meat;
-       spinlock_t      lock;
-       atomic_t        refcnt;
-       struct timer_list timer;        /* when will this queue expire?         
*/
-       ktime_t         stamp;
        int             iif;
        unsigned int    rid;
        struct inet_peer *peer;
@@ -114,8 +103,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff 
*prev,
 
 static __inline__ void __ipq_unlink(struct ipq *qp)
 {
-       hlist_del(&qp->list);
-       list_del(&qp->lru_list);
+       hlist_del(&qp->q.list);
+       list_del(&qp->q.lru_list);
        ip_frag_nqueues--;
 }
 
@@ -147,15 +136,15 @@ static void ipfrag_secret_rebuild(unsigned long dummy)
                struct ipq *q;
                struct hlist_node *p, *n;
 
-               hlist_for_each_entry_safe(q, p, n, &ipq_hash[i], list) {
+               hlist_for_each_entry_safe(q, p, n, &ipq_hash[i], q.list) {
                        unsigned int hval = ipqhashfn(q->id, q->saddr,
                                                      q->daddr, q->protocol);
 
                        if (hval != i) {
-                               hlist_del(&q->list);
+                               hlist_del(&q->q.list);
 
                                /* Relink to new hash chain. */
-                               hlist_add_head(&q->list, &ipq_hash[hval]);
+                               hlist_add_head(&q->q.list, &ipq_hash[hval]);
                        }
                }
        }
@@ -201,14 +190,14 @@ static void ip_frag_destroy(struct ipq *qp, int *work)
 {
        struct sk_buff *fp;
 
-       BUG_TRAP(qp->last_in&COMPLETE);
-       BUG_TRAP(del_timer(&qp->timer) == 0);
+       BUG_TRAP(qp->q.last_in&COMPLETE);
+       BUG_TRAP(del_timer(&qp->q.timer) == 0);
 
        if (qp->peer)
                inet_putpeer(qp->peer);
 
        /* Release all fragment data. */
-       fp = qp->fragments;
+       fp = qp->q.fragments;
        while (fp) {
                struct sk_buff *xp = fp->next;
 
@@ -222,7 +211,7 @@ static void ip_frag_destroy(struct ipq *qp, int *work)
 
 static __inline__ void ipq_put(struct ipq *ipq, int *work)
 {
-       if (atomic_dec_and_test(&ipq->refcnt))
+       if (atomic_dec_and_test(&ipq->q.refcnt))
                ip_frag_destroy(ipq, work);
 }
 
@@ -231,13 +220,13 @@ static __inline__ void ipq_put(struct ipq *ipq, int *work)
  */
 static void ipq_kill(struct ipq *ipq)
 {
-       if (del_timer(&ipq->timer))
-               atomic_dec(&ipq->refcnt);
+       if (del_timer(&ipq->q.timer))
+               atomic_dec(&ipq->q.refcnt);
 
-       if (!(ipq->last_in & COMPLETE)) {
+       if (!(ipq->q.last_in & COMPLETE)) {
                ipq_unlink(ipq);
-               atomic_dec(&ipq->refcnt);
-               ipq->last_in |= COMPLETE;
+               atomic_dec(&ipq->q.refcnt);
+               ipq->q.last_in |= COMPLETE;
        }
 }
 
@@ -261,14 +250,14 @@ static void ip_evictor(void)
                        return;
                }
                tmp = ipq_lru_list.next;
-               qp = list_entry(tmp, struct ipq, lru_list);
-               atomic_inc(&qp->refcnt);
+               qp = list_entry(tmp, struct ipq, q.lru_list);
+               atomic_inc(&qp->q.refcnt);
                read_unlock(&ipfrag_lock);
 
-               spin_lock(&qp->lock);
-               if (!(qp->last_in&COMPLETE))
+               spin_lock(&qp->q.lock);
+               if (!(qp->q.last_in&COMPLETE))
                        ipq_kill(qp);
-               spin_unlock(&qp->lock);
+               spin_unlock(&qp->q.lock);
 
                ipq_put(qp, &work);
                IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
@@ -282,9 +271,9 @@ static void ip_expire(unsigned long arg)
 {
        struct ipq *qp = (struct ipq *) arg;
 
-       spin_lock(&qp->lock);
+       spin_lock(&qp->q.lock);
 
-       if (qp->last_in & COMPLETE)
+       if (qp->q.last_in & COMPLETE)
                goto out;
 
        ipq_kill(qp);
@@ -292,8 +281,8 @@ static void ip_expire(unsigned long arg)
        IP_INC_STATS_BH(IPSTATS_MIB_REASMTIMEOUT);
        IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
 
-       if ((qp->last_in&FIRST_IN) && qp->fragments != NULL) {
-               struct sk_buff *head = qp->fragments;
+       if ((qp->q.last_in&FIRST_IN) && qp->q.fragments != NULL) {
+               struct sk_buff *head = qp->q.fragments;
                /* Send an ICMP "Fragment Reassembly Timeout" message. */
                if ((head->dev = dev_get_by_index(&init_net, qp->iif)) != NULL) 
{
                        icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 
0);
@@ -301,7 +290,7 @@ static void ip_expire(unsigned long arg)
                }
        }
 out:
-       spin_unlock(&qp->lock);
+       spin_unlock(&qp->q.lock);
        ipq_put(qp, NULL);
 }
 
@@ -323,15 +312,15 @@ static struct ipq *ip_frag_intern(struct ipq *qp_in)
         * such entry could be created on other cpu, while we
         * promoted read lock to write lock.
         */
-       hlist_for_each_entry(qp, n, &ipq_hash[hash], list) {
+       hlist_for_each_entry(qp, n, &ipq_hash[hash], q.list) {
                if (qp->id == qp_in->id         &&
                    qp->saddr == qp_in->saddr   &&
                    qp->daddr == qp_in->daddr   &&
                    qp->protocol == qp_in->protocol &&
                    qp->user == qp_in->user) {
-                       atomic_inc(&qp->refcnt);
+                       atomic_inc(&qp->q.refcnt);
                        write_unlock(&ipfrag_lock);
-                       qp_in->last_in |= COMPLETE;
+                       qp_in->q.last_in |= COMPLETE;
                        ipq_put(qp_in, NULL);
                        return qp;
                }
@@ -339,13 +328,13 @@ static struct ipq *ip_frag_intern(struct ipq *qp_in)
 #endif
        qp = qp_in;
 
-       if (!mod_timer(&qp->timer, jiffies + sysctl_ipfrag_time))
-               atomic_inc(&qp->refcnt);
+       if (!mod_timer(&qp->q.timer, jiffies + sysctl_ipfrag_time))
+               atomic_inc(&qp->q.refcnt);
 
-       atomic_inc(&qp->refcnt);
-       hlist_add_head(&qp->list, &ipq_hash[hash]);
-       INIT_LIST_HEAD(&qp->lru_list);
-       list_add_tail(&qp->lru_list, &ipq_lru_list);
+       atomic_inc(&qp->q.refcnt);
+       hlist_add_head(&qp->q.list, &ipq_hash[hash]);
+       INIT_LIST_HEAD(&qp->q.lru_list);
+       list_add_tail(&qp->q.lru_list, &ipq_lru_list);
        ip_frag_nqueues++;
        write_unlock(&ipfrag_lock);
        return qp;
@@ -360,23 +349,23 @@ static struct ipq *ip_frag_create(struct iphdr *iph, u32 
user)
                goto out_nomem;
 
        qp->protocol = iph->protocol;
-       qp->last_in = 0;
+       qp->q.last_in = 0;
        qp->id = iph->id;
        qp->saddr = iph->saddr;
        qp->daddr = iph->daddr;
        qp->user = user;
-       qp->len = 0;
-       qp->meat = 0;
-       qp->fragments = NULL;
+       qp->q.len = 0;
+       qp->q.meat = 0;
+       qp->q.fragments = NULL;
        qp->iif = 0;
        qp->peer = sysctl_ipfrag_max_dist ? inet_getpeer(iph->saddr, 1) : NULL;
 
        /* Initialize a timer for this entry. */
-       init_timer(&qp->timer);
-       qp->timer.data = (unsigned long) qp;    /* pointer to queue     */
-       qp->timer.function = ip_expire;         /* expire function      */
-       spin_lock_init(&qp->lock);
-       atomic_set(&qp->refcnt, 1);
+       init_timer(&qp->q.timer);
+       qp->q.timer.data = (unsigned long) qp;  /* pointer to queue     */
+       qp->q.timer.function = ip_expire;               /* expire function      
*/
+       spin_lock_init(&qp->q.lock);
+       atomic_set(&qp->q.refcnt, 1);
 
        return ip_frag_intern(qp);
 
@@ -400,13 +389,13 @@ static inline struct ipq *ip_find(struct iphdr *iph, u32 
user)
 
        read_lock(&ipfrag_lock);
        hash = ipqhashfn(id, saddr, daddr, protocol);
-       hlist_for_each_entry(qp, n, &ipq_hash[hash], list) {
+       hlist_for_each_entry(qp, n, &ipq_hash[hash], q.list) {
                if (qp->id == id                &&
                    qp->saddr == saddr  &&
                    qp->daddr == daddr  &&
                    qp->protocol == protocol &&
                    qp->user == user) {
-                       atomic_inc(&qp->refcnt);
+                       atomic_inc(&qp->q.refcnt);
                        read_unlock(&ipfrag_lock);
                        return qp;
                }
@@ -432,7 +421,7 @@ static inline int ip_frag_too_far(struct ipq *qp)
        end = atomic_inc_return(&peer->rid);
        qp->rid = end;
 
-       rc = qp->fragments && (end - start) > max;
+       rc = qp->q.fragments && (end - start) > max;
 
        if (rc) {
                IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
@@ -445,22 +434,22 @@ static int ip_frag_reinit(struct ipq *qp)
 {
        struct sk_buff *fp;
 
-       if (!mod_timer(&qp->timer, jiffies + sysctl_ipfrag_time)) {
-               atomic_inc(&qp->refcnt);
+       if (!mod_timer(&qp->q.timer, jiffies + sysctl_ipfrag_time)) {
+               atomic_inc(&qp->q.refcnt);
                return -ETIMEDOUT;
        }
 
-       fp = qp->fragments;
+       fp = qp->q.fragments;
        do {
                struct sk_buff *xp = fp->next;
                frag_kfree_skb(fp, NULL);
                fp = xp;
        } while (fp);
 
-       qp->last_in = 0;
-       qp->len = 0;
-       qp->meat = 0;
-       qp->fragments = NULL;
+       qp->q.last_in = 0;
+       qp->q.len = 0;
+       qp->q.meat = 0;
+       qp->q.fragments = NULL;
        qp->iif = 0;
 
        return 0;
@@ -475,7 +464,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff 
*skb)
        int ihl, end;
        int err = -ENOENT;
 
-       if (qp->last_in & COMPLETE)
+       if (qp->q.last_in & COMPLETE)
                goto err;
 
        if (!(IPCB(skb)->flags & IPSKB_FRAG_COMPLETE) &&
@@ -500,22 +489,22 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff 
*skb)
                /* If we already have some bits beyond end
                 * or have different end, the segment is corrrupted.
                 */
-               if (end < qp->len ||
-                   ((qp->last_in & LAST_IN) && end != qp->len))
+               if (end < qp->q.len ||
+                   ((qp->q.last_in & LAST_IN) && end != qp->q.len))
                        goto err;
-               qp->last_in |= LAST_IN;
-               qp->len = end;
+               qp->q.last_in |= LAST_IN;
+               qp->q.len = end;
        } else {
                if (end&7) {
                        end &= ~7;
                        if (skb->ip_summed != CHECKSUM_UNNECESSARY)
                                skb->ip_summed = CHECKSUM_NONE;
                }
-               if (end > qp->len) {
+               if (end > qp->q.len) {
                        /* Some bits beyond end -> corruption. */
-                       if (qp->last_in & LAST_IN)
+                       if (qp->q.last_in & LAST_IN)
                                goto err;
-                       qp->len = end;
+                       qp->q.len = end;
                }
        }
        if (end == offset)
@@ -534,7 +523,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff 
*skb)
         * this fragment, right?
         */
        prev = NULL;
-       for (next = qp->fragments; next != NULL; next = next->next) {
+       for (next = qp->q.fragments; next != NULL; next = next->next) {
                if (FRAG_CB(next)->offset >= offset)
                        break;  /* bingo! */
                prev = next;
@@ -572,7 +561,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff 
*skb)
                        if (!pskb_pull(next, i))
                                goto err;
                        FRAG_CB(next)->offset += i;
-                       qp->meat -= i;
+                       qp->q.meat -= i;
                        if (next->ip_summed != CHECKSUM_UNNECESSARY)
                                next->ip_summed = CHECKSUM_NONE;
                        break;
@@ -587,9 +576,9 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff 
*skb)
                        if (prev)
                                prev->next = next;
                        else
-                               qp->fragments = next;
+                               qp->q.fragments = next;
 
-                       qp->meat -= free_it->len;
+                       qp->q.meat -= free_it->len;
                        frag_kfree_skb(free_it, NULL);
                }
        }
@@ -601,24 +590,24 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff 
*skb)
        if (prev)
                prev->next = skb;
        else
-               qp->fragments = skb;
+               qp->q.fragments = skb;
 
        dev = skb->dev;
        if (dev) {
                qp->iif = dev->ifindex;
                skb->dev = NULL;
        }
-       qp->stamp = skb->tstamp;
-       qp->meat += skb->len;
+       qp->q.stamp = skb->tstamp;
+       qp->q.meat += skb->len;
        atomic_add(skb->truesize, &ip_frag_mem);
        if (offset == 0)
-               qp->last_in |= FIRST_IN;
+               qp->q.last_in |= FIRST_IN;
 
-       if (qp->last_in == (FIRST_IN | LAST_IN) && qp->meat == qp->len)
+       if (qp->q.last_in == (FIRST_IN | LAST_IN) && qp->q.meat == qp->q.len)
                return ip_frag_reasm(qp, prev, dev);
 
        write_lock(&ipfrag_lock);
-       list_move_tail(&qp->lru_list, &ipq_lru_list);
+       list_move_tail(&qp->q.lru_list, &ipq_lru_list);
        write_unlock(&ipfrag_lock);
        return -EINPROGRESS;
 
@@ -634,7 +623,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff 
*prev,
                         struct net_device *dev)
 {
        struct iphdr *iph;
-       struct sk_buff *fp, *head = qp->fragments;
+       struct sk_buff *fp, *head = qp->q.fragments;
        int len;
        int ihlen;
        int err;
@@ -652,11 +641,11 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff 
*prev,
                fp->next = head->next;
                prev->next = fp;
 
-               skb_morph(head, qp->fragments);
-               head->next = qp->fragments->next;
+               skb_morph(head, qp->q.fragments);
+               head->next = qp->q.fragments->next;
 
-               kfree_skb(qp->fragments);
-               qp->fragments = head;
+               kfree_skb(qp->q.fragments);
+               qp->q.fragments = head;
        }
 
        BUG_TRAP(head != NULL);
@@ -664,7 +653,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff 
*prev,
 
        /* Allocate a new buffer for the datagram. */
        ihlen = ip_hdrlen(head);
-       len = ihlen + qp->len;
+       len = ihlen + qp->q.len;
 
        err = -E2BIG;
        if (len > 65535)
@@ -715,13 +704,13 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff 
*prev,
 
        head->next = NULL;
        head->dev = dev;
-       head->tstamp = qp->stamp;
+       head->tstamp = qp->q.stamp;
 
        iph = ip_hdr(head);
        iph->frag_off = 0;
        iph->tot_len = htons(len);
        IP_INC_STATS_BH(IPSTATS_MIB_REASMOKS);
-       qp->fragments = NULL;
+       qp->q.fragments = NULL;
        return 0;
 
 out_nomem:
@@ -753,11 +742,11 @@ int ip_defrag(struct sk_buff *skb, u32 user)
        if ((qp = ip_find(ip_hdr(skb), user)) != NULL) {
                int ret;
 
-               spin_lock(&qp->lock);
+               spin_lock(&qp->q.lock);
 
                ret = ip_frag_queue(qp, skb);
 
-               spin_unlock(&qp->lock);
+               spin_unlock(&qp->q.lock);
                ipq_put(qp, NULL);
                return ret;
        }
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c 
b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 25442a8..52e9f6a 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -31,6 +31,7 @@
 
 #include <net/sock.h>
 #include <net/snmp.h>
+#include <net/inet_frag.h>
 
 #include <net/ipv6.h>
 #include <net/protocol.h>
@@ -63,25 +64,13 @@ struct nf_ct_frag6_skb_cb
 
 struct nf_ct_frag6_queue
 {
-       struct hlist_node       list;
-       struct list_head        lru_list;       /* lru list member      */
+       struct inet_frag_queue  q;
 
        __be32                  id;             /* fragment id          */
        struct in6_addr         saddr;
        struct in6_addr         daddr;
 
-       spinlock_t              lock;
-       atomic_t                refcnt;
-       struct timer_list       timer;          /* expire timer         */
-       struct sk_buff          *fragments;
-       int                     len;
-       int                     meat;
-       ktime_t                 stamp;
        unsigned int            csum;
-       __u8                    last_in;        /* has first/last segment 
arrived? */
-#define COMPLETE               4
-#define FIRST_IN               2
-#define LAST_IN                        1
        __u16                   nhoffset;
 };
 
@@ -97,8 +86,8 @@ int nf_ct_frag6_nqueues = 0;
 
 static __inline__ void __fq_unlink(struct nf_ct_frag6_queue *fq)
 {
-       hlist_del(&fq->list);
-       list_del(&fq->lru_list);
+       hlist_del(&fq->q.list);
+       list_del(&fq->q.lru_list);
        nf_ct_frag6_nqueues--;
 }
 
@@ -150,14 +139,14 @@ static void nf_ct_frag6_secret_rebuild(unsigned long 
dummy)
                struct nf_ct_frag6_queue *q;
                struct hlist_node *p, *n;
 
-               hlist_for_each_entry_safe(q, p, n, &nf_ct_frag6_hash[i], list) {
+               hlist_for_each_entry_safe(q, p, n, &nf_ct_frag6_hash[i], 
q.list) {
                        unsigned int hval = ip6qhashfn(q->id,
                                                       &q->saddr,
                                                       &q->daddr);
                        if (hval != i) {
-                               hlist_del(&q->list);
+                               hlist_del(&q->q.list);
                                /* Relink to new hash chain. */
-                               hlist_add_head(&q->list,
+                               hlist_add_head(&q->q.list,
                                               &nf_ct_frag6_hash[hval]);
                        }
                }
@@ -208,11 +197,11 @@ static void nf_ct_frag6_destroy(struct nf_ct_frag6_queue 
*fq,
 {
        struct sk_buff *fp;
 
-       BUG_TRAP(fq->last_in&COMPLETE);
-       BUG_TRAP(del_timer(&fq->timer) == 0);
+       BUG_TRAP(fq->q.last_in&COMPLETE);
+       BUG_TRAP(del_timer(&fq->q.timer) == 0);
 
        /* Release all fragment data. */
-       fp = fq->fragments;
+       fp = fq->q.fragments;
        while (fp) {
                struct sk_buff *xp = fp->next;
 
@@ -225,7 +214,7 @@ static void nf_ct_frag6_destroy(struct nf_ct_frag6_queue 
*fq,
 
 static __inline__ void fq_put(struct nf_ct_frag6_queue *fq, unsigned int *work)
 {
-       if (atomic_dec_and_test(&fq->refcnt))
+       if (atomic_dec_and_test(&fq->q.refcnt))
                nf_ct_frag6_destroy(fq, work);
 }
 
@@ -234,13 +223,13 @@ static __inline__ void fq_put(struct nf_ct_frag6_queue 
*fq, unsigned int *work)
  */
 static __inline__ void fq_kill(struct nf_ct_frag6_queue *fq)
 {
-       if (del_timer(&fq->timer))
-               atomic_dec(&fq->refcnt);
+       if (del_timer(&fq->q.timer))
+               atomic_dec(&fq->q.refcnt);
 
-       if (!(fq->last_in & COMPLETE)) {
+       if (!(fq->q.last_in & COMPLETE)) {
                fq_unlink(fq);
-               atomic_dec(&fq->refcnt);
-               fq->last_in |= COMPLETE;
+               atomic_dec(&fq->q.refcnt);
+               fq->q.last_in |= COMPLETE;
        }
 }
 
@@ -263,14 +252,14 @@ static void nf_ct_frag6_evictor(void)
                }
                tmp = nf_ct_frag6_lru_list.next;
                BUG_ON(tmp == NULL);
-               fq = list_entry(tmp, struct nf_ct_frag6_queue, lru_list);
-               atomic_inc(&fq->refcnt);
+               fq = list_entry(tmp, struct nf_ct_frag6_queue, q.lru_list);
+               atomic_inc(&fq->q.refcnt);
                read_unlock(&nf_ct_frag6_lock);
 
-               spin_lock(&fq->lock);
-               if (!(fq->last_in&COMPLETE))
+               spin_lock(&fq->q.lock);
+               if (!(fq->q.last_in&COMPLETE))
                        fq_kill(fq);
-               spin_unlock(&fq->lock);
+               spin_unlock(&fq->q.lock);
 
                fq_put(fq, &work);
        }
@@ -280,15 +269,15 @@ static void nf_ct_frag6_expire(unsigned long data)
 {
        struct nf_ct_frag6_queue *fq = (struct nf_ct_frag6_queue *) data;
 
-       spin_lock(&fq->lock);
+       spin_lock(&fq->q.lock);
 
-       if (fq->last_in & COMPLETE)
+       if (fq->q.last_in & COMPLETE)
                goto out;
 
        fq_kill(fq);
 
 out:
-       spin_unlock(&fq->lock);
+       spin_unlock(&fq->q.lock);
        fq_put(fq, NULL);
 }
 
@@ -304,13 +293,13 @@ static struct nf_ct_frag6_queue 
*nf_ct_frag6_intern(unsigned int hash,
 
        write_lock(&nf_ct_frag6_lock);
 #ifdef CONFIG_SMP
-       hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], list) {
+       hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], q.list) {
                if (fq->id == fq_in->id &&
                    ipv6_addr_equal(&fq_in->saddr, &fq->saddr) &&
                    ipv6_addr_equal(&fq_in->daddr, &fq->daddr)) {
-                       atomic_inc(&fq->refcnt);
+                       atomic_inc(&fq->q.refcnt);
                        write_unlock(&nf_ct_frag6_lock);
-                       fq_in->last_in |= COMPLETE;
+                       fq_in->q.last_in |= COMPLETE;
                        fq_put(fq_in, NULL);
                        return fq;
                }
@@ -318,13 +307,13 @@ static struct nf_ct_frag6_queue 
*nf_ct_frag6_intern(unsigned int hash,
 #endif
        fq = fq_in;
 
-       if (!mod_timer(&fq->timer, jiffies + nf_ct_frag6_timeout))
-               atomic_inc(&fq->refcnt);
+       if (!mod_timer(&fq->q.timer, jiffies + nf_ct_frag6_timeout))
+               atomic_inc(&fq->q.refcnt);
 
-       atomic_inc(&fq->refcnt);
-       hlist_add_head(&fq->list, &nf_ct_frag6_hash[hash]);
-       INIT_LIST_HEAD(&fq->lru_list);
-       list_add_tail(&fq->lru_list, &nf_ct_frag6_lru_list);
+       atomic_inc(&fq->q.refcnt);
+       hlist_add_head(&fq->q.list, &nf_ct_frag6_hash[hash]);
+       INIT_LIST_HEAD(&fq->q.lru_list);
+       list_add_tail(&fq->q.lru_list, &nf_ct_frag6_lru_list);
        nf_ct_frag6_nqueues++;
        write_unlock(&nf_ct_frag6_lock);
        return fq;
@@ -347,9 +336,9 @@ nf_ct_frag6_create(unsigned int hash, __be32 id, struct 
in6_addr *src,                                 str
        ipv6_addr_copy(&fq->saddr, src);
        ipv6_addr_copy(&fq->daddr, dst);
 
-       setup_timer(&fq->timer, nf_ct_frag6_expire, (unsigned long)fq);
-       spin_lock_init(&fq->lock);
-       atomic_set(&fq->refcnt, 1);
+       setup_timer(&fq->q.timer, nf_ct_frag6_expire, (unsigned long)fq);
+       spin_lock_init(&fq->q.lock);
+       atomic_set(&fq->q.refcnt, 1);
 
        return nf_ct_frag6_intern(hash, fq);
 
@@ -365,11 +354,11 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr 
*dst)
        unsigned int hash = ip6qhashfn(id, src, dst);
 
        read_lock(&nf_ct_frag6_lock);
-       hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], list) {
+       hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], q.list) {
                if (fq->id == id &&
                    ipv6_addr_equal(src, &fq->saddr) &&
                    ipv6_addr_equal(dst, &fq->daddr)) {
-                       atomic_inc(&fq->refcnt);
+                       atomic_inc(&fq->q.refcnt);
                        read_unlock(&nf_ct_frag6_lock);
                        return fq;
                }
@@ -386,7 +375,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, 
struct sk_buff *skb,
        struct sk_buff *prev, *next;
        int offset, end;
 
-       if (fq->last_in & COMPLETE) {
+       if (fq->q.last_in & COMPLETE) {
                pr_debug("Allready completed\n");
                goto err;
        }
@@ -412,13 +401,13 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue 
*fq, struct sk_buff *skb,
                /* If we already have some bits beyond end
                 * or have different end, the segment is corrupted.
                 */
-               if (end < fq->len ||
-                   ((fq->last_in & LAST_IN) && end != fq->len)) {
+               if (end < fq->q.len ||
+                   ((fq->q.last_in & LAST_IN) && end != fq->q.len)) {
                        pr_debug("already received last fragment\n");
                        goto err;
                }
-               fq->last_in |= LAST_IN;
-               fq->len = end;
+               fq->q.last_in |= LAST_IN;
+               fq->q.len = end;
        } else {
                /* Check if the fragment is rounded to 8 bytes.
                 * Required by the RFC.
@@ -430,13 +419,13 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue 
*fq, struct sk_buff *skb,
                        pr_debug("end of fragment not rounded to 8 bytes.\n");
                        return -1;
                }
-               if (end > fq->len) {
+               if (end > fq->q.len) {
                        /* Some bits beyond end -> corruption. */
-                       if (fq->last_in & LAST_IN) {
+                       if (fq->q.last_in & LAST_IN) {
                                pr_debug("last packet already reached.\n");
                                goto err;
                        }
-                       fq->len = end;
+                       fq->q.len = end;
                }
        }
 
@@ -458,7 +447,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, 
struct sk_buff *skb,
         * this fragment, right?
         */
        prev = NULL;
-       for (next = fq->fragments; next != NULL; next = next->next) {
+       for (next = fq->q.fragments; next != NULL; next = next->next) {
                if (NFCT_FRAG6_CB(next)->offset >= offset)
                        break;  /* bingo! */
                prev = next;
@@ -503,7 +492,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, 
struct sk_buff *skb,
 
                        /* next fragment */
                        NFCT_FRAG6_CB(next)->offset += i;
-                       fq->meat -= i;
+                       fq->q.meat -= i;
                        if (next->ip_summed != CHECKSUM_UNNECESSARY)
                                next->ip_summed = CHECKSUM_NONE;
                        break;
@@ -518,9 +507,9 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, 
struct sk_buff *skb,
                        if (prev)
                                prev->next = next;
                        else
-                               fq->fragments = next;
+                               fq->q.fragments = next;
 
-                       fq->meat -= free_it->len;
+                       fq->q.meat -= free_it->len;
                        frag_kfree_skb(free_it, NULL);
                }
        }
@@ -532,11 +521,11 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue 
*fq, struct sk_buff *skb,
        if (prev)
                prev->next = skb;
        else
-               fq->fragments = skb;
+               fq->q.fragments = skb;
 
        skb->dev = NULL;
-       fq->stamp = skb->tstamp;
-       fq->meat += skb->len;
+       fq->q.stamp = skb->tstamp;
+       fq->q.meat += skb->len;
        atomic_add(skb->truesize, &nf_ct_frag6_mem);
 
        /* The first fragment.
@@ -544,10 +533,10 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue 
*fq, struct sk_buff *skb,
         */
        if (offset == 0) {
                fq->nhoffset = nhoff;
-               fq->last_in |= FIRST_IN;
+               fq->q.last_in |= FIRST_IN;
        }
        write_lock(&nf_ct_frag6_lock);
-       list_move_tail(&fq->lru_list, &nf_ct_frag6_lru_list);
+       list_move_tail(&fq->q.lru_list, &nf_ct_frag6_lru_list);
        write_unlock(&nf_ct_frag6_lock);
        return 0;
 
@@ -567,7 +556,7 @@ err:
 static struct sk_buff *
 nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
 {
-       struct sk_buff *fp, *op, *head = fq->fragments;
+       struct sk_buff *fp, *op, *head = fq->q.fragments;
        int    payload_len;
 
        fq_kill(fq);
@@ -577,7 +566,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct 
net_device *dev)
 
        /* Unfragmented part is taken from the first segment. */
        payload_len = ((head->data - skb_network_header(head)) -
-                      sizeof(struct ipv6hdr) + fq->len -
+                      sizeof(struct ipv6hdr) + fq->q.len -
                       sizeof(struct frag_hdr));
        if (payload_len > IPV6_MAXPLEN) {
                pr_debug("payload len is too large.\n");
@@ -643,7 +632,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct 
net_device *dev)
 
        head->next = NULL;
        head->dev = dev;
-       head->tstamp = fq->stamp;
+       head->tstamp = fq->q.stamp;
        ipv6_hdr(head)->payload_len = htons(payload_len);
 
        /* Yes, and fold redundant checksum back. 8) */
@@ -652,7 +641,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct 
net_device *dev)
                                          skb_network_header_len(head),
                                          head->csum);
 
-       fq->fragments = NULL;
+       fq->q.fragments = NULL;
 
        /* all original skbs are linked into the NFCT_FRAG6_CB(head).orig */
        fp = skb_shinfo(head)->frag_list;
@@ -797,21 +786,21 @@ struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb)
                goto ret_orig;
        }
 
-       spin_lock(&fq->lock);
+       spin_lock(&fq->q.lock);
 
        if (nf_ct_frag6_queue(fq, clone, fhdr, nhoff) < 0) {
-               spin_unlock(&fq->lock);
+               spin_unlock(&fq->q.lock);
                pr_debug("Can't insert skb to queue\n");
                fq_put(fq, NULL);
                goto ret_orig;
        }
 
-       if (fq->last_in == (FIRST_IN|LAST_IN) && fq->meat == fq->len) {
+       if (fq->q.last_in == (FIRST_IN|LAST_IN) && fq->q.meat == fq->q.len) {
                ret_skb = nf_ct_frag6_reasm(fq, dev);
                if (ret_skb == NULL)
                        pr_debug("Can't reassemble fragmented packets\n");
        }
-       spin_unlock(&fq->lock);
+       spin_unlock(&fq->q.lock);
 
        fq_put(fq, NULL);
        return ret_skb;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index fa1055b..aef5dd1 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -54,6 +54,7 @@
 #include <net/rawv6.h>
 #include <net/ndisc.h>
 #include <net/addrconf.h>
+#include <net/inet_frag.h>
 
 int sysctl_ip6frag_high_thresh __read_mostly = 256*1024;
 int sysctl_ip6frag_low_thresh __read_mostly = 192*1024;
@@ -75,26 +76,14 @@ struct ip6frag_skb_cb
 
 struct frag_queue
 {
-       struct hlist_node       list;
-       struct list_head lru_list;              /* lru list member      */
+       struct inet_frag_queue  q;
 
        __be32                  id;             /* fragment id          */
        struct in6_addr         saddr;
        struct in6_addr         daddr;
 
-       spinlock_t              lock;
-       atomic_t                refcnt;
-       struct timer_list       timer;          /* expire timer         */
-       struct sk_buff          *fragments;
-       int                     len;
-       int                     meat;
        int                     iif;
-       ktime_t                 stamp;
        unsigned int            csum;
-       __u8                    last_in;        /* has first/last segment 
arrived? */
-#define COMPLETE               4
-#define FIRST_IN               2
-#define LAST_IN                        1
        __u16                   nhoffset;
 };
 
@@ -113,8 +102,8 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct 
sk_buff *prev,
 
 static __inline__ void __fq_unlink(struct frag_queue *fq)
 {
-       hlist_del(&fq->list);
-       list_del(&fq->lru_list);
+       hlist_del(&fq->q.list);
+       list_del(&fq->q.lru_list);
        ip6_frag_nqueues--;
 }
 
@@ -170,16 +159,16 @@ static void ip6_frag_secret_rebuild(unsigned long dummy)
                struct frag_queue *q;
                struct hlist_node *p, *n;
 
-               hlist_for_each_entry_safe(q, p, n, &ip6_frag_hash[i], list) {
+               hlist_for_each_entry_safe(q, p, n, &ip6_frag_hash[i], q.list) {
                        unsigned int hval = ip6qhashfn(q->id,
                                                       &q->saddr,
                                                       &q->daddr);
 
                        if (hval != i) {
-                               hlist_del(&q->list);
+                               hlist_del(&q->q.list);
 
                                /* Relink to new hash chain. */
-                               hlist_add_head(&q->list,
+                               hlist_add_head(&q->q.list,
                                               &ip6_frag_hash[hval]);
 
                        }
@@ -226,11 +215,11 @@ static void ip6_frag_destroy(struct frag_queue *fq, int 
*work)
 {
        struct sk_buff *fp;
 
-       BUG_TRAP(fq->last_in&COMPLETE);
-       BUG_TRAP(del_timer(&fq->timer) == 0);
+       BUG_TRAP(fq->q.last_in&COMPLETE);
+       BUG_TRAP(del_timer(&fq->q.timer) == 0);
 
        /* Release all fragment data. */
-       fp = fq->fragments;
+       fp = fq->q.fragments;
        while (fp) {
                struct sk_buff *xp = fp->next;
 
@@ -243,7 +232,7 @@ static void ip6_frag_destroy(struct frag_queue *fq, int 
*work)
 
 static __inline__ void fq_put(struct frag_queue *fq, int *work)
 {
-       if (atomic_dec_and_test(&fq->refcnt))
+       if (atomic_dec_and_test(&fq->q.refcnt))
                ip6_frag_destroy(fq, work);
 }
 
@@ -252,13 +241,13 @@ static __inline__ void fq_put(struct frag_queue *fq, int 
*work)
  */
 static __inline__ void fq_kill(struct frag_queue *fq)
 {
-       if (del_timer(&fq->timer))
-               atomic_dec(&fq->refcnt);
+       if (del_timer(&fq->q.timer))
+               atomic_dec(&fq->q.refcnt);
 
-       if (!(fq->last_in & COMPLETE)) {
+       if (!(fq->q.last_in & COMPLETE)) {
                fq_unlink(fq);
-               atomic_dec(&fq->refcnt);
-               fq->last_in |= COMPLETE;
+               atomic_dec(&fq->q.refcnt);
+               fq->q.last_in |= COMPLETE;
        }
 }
 
@@ -279,14 +268,14 @@ static void ip6_evictor(struct inet6_dev *idev)
                        return;
                }
                tmp = ip6_frag_lru_list.next;
-               fq = list_entry(tmp, struct frag_queue, lru_list);
-               atomic_inc(&fq->refcnt);
+               fq = list_entry(tmp, struct frag_queue, q.lru_list);
+               atomic_inc(&fq->q.refcnt);
                read_unlock(&ip6_frag_lock);
 
-               spin_lock(&fq->lock);
-               if (!(fq->last_in&COMPLETE))
+               spin_lock(&fq->q.lock);
+               if (!(fq->q.last_in&COMPLETE))
                        fq_kill(fq);
-               spin_unlock(&fq->lock);
+               spin_unlock(&fq->q.lock);
 
                fq_put(fq, &work);
                IP6_INC_STATS_BH(idev, IPSTATS_MIB_REASMFAILS);
@@ -298,9 +287,9 @@ static void ip6_frag_expire(unsigned long data)
        struct frag_queue *fq = (struct frag_queue *) data;
        struct net_device *dev = NULL;
 
-       spin_lock(&fq->lock);
+       spin_lock(&fq->q.lock);
 
-       if (fq->last_in & COMPLETE)
+       if (fq->q.last_in & COMPLETE)
                goto out;
 
        fq_kill(fq);
@@ -315,7 +304,7 @@ static void ip6_frag_expire(unsigned long data)
        rcu_read_unlock();
 
        /* Don't send error if the first segment did not arrive. */
-       if (!(fq->last_in&FIRST_IN) || !fq->fragments)
+       if (!(fq->q.last_in&FIRST_IN) || !fq->q.fragments)
                goto out;
 
        /*
@@ -323,12 +312,12 @@ static void ip6_frag_expire(unsigned long data)
           segment was received. And do not use fq->dev
           pointer directly, device might already disappeared.
         */
-       fq->fragments->dev = dev;
-       icmpv6_send(fq->fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, 
dev);
+       fq->q.fragments->dev = dev;
+       icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 
0, dev);
 out:
        if (dev)
                dev_put(dev);
-       spin_unlock(&fq->lock);
+       spin_unlock(&fq->q.lock);
        fq_put(fq, NULL);
 }
 
@@ -346,13 +335,13 @@ static struct frag_queue *ip6_frag_intern(struct 
frag_queue *fq_in)
        write_lock(&ip6_frag_lock);
        hash = ip6qhashfn(fq_in->id, &fq_in->saddr, &fq_in->daddr);
 #ifdef CONFIG_SMP
-       hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], list) {
+       hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], q.list) {
                if (fq->id == fq_in->id &&
                    ipv6_addr_equal(&fq_in->saddr, &fq->saddr) &&
                    ipv6_addr_equal(&fq_in->daddr, &fq->daddr)) {
-                       atomic_inc(&fq->refcnt);
+                       atomic_inc(&fq->q.refcnt);
                        write_unlock(&ip6_frag_lock);
-                       fq_in->last_in |= COMPLETE;
+                       fq_in->q.last_in |= COMPLETE;
                        fq_put(fq_in, NULL);
                        return fq;
                }
@@ -360,13 +349,13 @@ static struct frag_queue *ip6_frag_intern(struct 
frag_queue *fq_in)
 #endif
        fq = fq_in;
 
-       if (!mod_timer(&fq->timer, jiffies + sysctl_ip6frag_time))
-               atomic_inc(&fq->refcnt);
+       if (!mod_timer(&fq->q.timer, jiffies + sysctl_ip6frag_time))
+               atomic_inc(&fq->q.refcnt);
 
-       atomic_inc(&fq->refcnt);
-       hlist_add_head(&fq->list, &ip6_frag_hash[hash]);
-       INIT_LIST_HEAD(&fq->lru_list);
-       list_add_tail(&fq->lru_list, &ip6_frag_lru_list);
+       atomic_inc(&fq->q.refcnt);
+       hlist_add_head(&fq->q.list, &ip6_frag_hash[hash]);
+       INIT_LIST_HEAD(&fq->q.lru_list);
+       list_add_tail(&fq->q.lru_list, &ip6_frag_lru_list);
        ip6_frag_nqueues++;
        write_unlock(&ip6_frag_lock);
        return fq;
@@ -386,11 +375,11 @@ ip6_frag_create(__be32 id, struct in6_addr *src, struct 
in6_addr *dst,
        ipv6_addr_copy(&fq->saddr, src);
        ipv6_addr_copy(&fq->daddr, dst);
 
-       init_timer(&fq->timer);
-       fq->timer.function = ip6_frag_expire;
-       fq->timer.data = (long) fq;
-       spin_lock_init(&fq->lock);
-       atomic_set(&fq->refcnt, 1);
+       init_timer(&fq->q.timer);
+       fq->q.timer.function = ip6_frag_expire;
+       fq->q.timer.data = (long) fq;
+       spin_lock_init(&fq->q.lock);
+       atomic_set(&fq->q.refcnt, 1);
 
        return ip6_frag_intern(fq);
 
@@ -409,11 +398,11 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr 
*dst,
 
        read_lock(&ip6_frag_lock);
        hash = ip6qhashfn(id, src, dst);
-       hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], list) {
+       hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], q.list) {
                if (fq->id == id &&
                    ipv6_addr_equal(src, &fq->saddr) &&
                    ipv6_addr_equal(dst, &fq->daddr)) {
-                       atomic_inc(&fq->refcnt);
+                       atomic_inc(&fq->q.refcnt);
                        read_unlock(&ip6_frag_lock);
                        return fq;
                }
@@ -431,7 +420,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
        struct net_device *dev;
        int offset, end;
 
-       if (fq->last_in & COMPLETE)
+       if (fq->q.last_in & COMPLETE)
                goto err;
 
        offset = ntohs(fhdr->frag_off) & ~0x7;
@@ -459,11 +448,11 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
                /* If we already have some bits beyond end
                 * or have different end, the segment is corrupted.
                 */
-               if (end < fq->len ||
-                   ((fq->last_in & LAST_IN) && end != fq->len))
+               if (end < fq->q.len ||
+                   ((fq->q.last_in & LAST_IN) && end != fq->q.len))
                        goto err;
-               fq->last_in |= LAST_IN;
-               fq->len = end;
+               fq->q.last_in |= LAST_IN;
+               fq->q.len = end;
        } else {
                /* Check if the fragment is rounded to 8 bytes.
                 * Required by the RFC.
@@ -478,11 +467,11 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
                                          offsetof(struct ipv6hdr, 
payload_len));
                        return -1;
                }
-               if (end > fq->len) {
+               if (end > fq->q.len) {
                        /* Some bits beyond end -> corruption. */
-                       if (fq->last_in & LAST_IN)
+                       if (fq->q.last_in & LAST_IN)
                                goto err;
-                       fq->len = end;
+                       fq->q.len = end;
                }
        }
 
@@ -501,7 +490,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
         * this fragment, right?
         */
        prev = NULL;
-       for(next = fq->fragments; next != NULL; next = next->next) {
+       for(next = fq->q.fragments; next != NULL; next = next->next) {
                if (FRAG6_CB(next)->offset >= offset)
                        break;  /* bingo! */
                prev = next;
@@ -538,7 +527,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
                        if (!pskb_pull(next, i))
                                goto err;
                        FRAG6_CB(next)->offset += i;    /* next fragment */
-                       fq->meat -= i;
+                       fq->q.meat -= i;
                        if (next->ip_summed != CHECKSUM_UNNECESSARY)
                                next->ip_summed = CHECKSUM_NONE;
                        break;
@@ -553,9 +542,9 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
                        if (prev)
                                prev->next = next;
                        else
-                               fq->fragments = next;
+                               fq->q.fragments = next;
 
-                       fq->meat -= free_it->len;
+                       fq->q.meat -= free_it->len;
                        frag_kfree_skb(free_it, NULL);
                }
        }
@@ -567,15 +556,15 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
        if (prev)
                prev->next = skb;
        else
-               fq->fragments = skb;
+               fq->q.fragments = skb;
 
        dev = skb->dev;
        if (dev) {
                fq->iif = dev->ifindex;
                skb->dev = NULL;
        }
-       fq->stamp = skb->tstamp;
-       fq->meat += skb->len;
+       fq->q.stamp = skb->tstamp;
+       fq->q.meat += skb->len;
        atomic_add(skb->truesize, &ip6_frag_mem);
 
        /* The first fragment.
@@ -583,14 +572,14 @@ static int ip6_frag_queue(struct frag_queue *fq, struct 
sk_buff *skb,
         */
        if (offset == 0) {
                fq->nhoffset = nhoff;
-               fq->last_in |= FIRST_IN;
+               fq->q.last_in |= FIRST_IN;
        }
 
-       if (fq->last_in == (FIRST_IN | LAST_IN) && fq->meat == fq->len)
+       if (fq->q.last_in == (FIRST_IN | LAST_IN) && fq->q.meat == fq->q.len)
                return ip6_frag_reasm(fq, prev, dev);
 
        write_lock(&ip6_frag_lock);
-       list_move_tail(&fq->lru_list, &ip6_frag_lru_list);
+       list_move_tail(&fq->q.lru_list, &ip6_frag_lru_list);
        write_unlock(&ip6_frag_lock);
        return -1;
 
@@ -612,7 +601,7 @@ err:
 static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
                          struct net_device *dev)
 {
-       struct sk_buff *fp, *head = fq->fragments;
+       struct sk_buff *fp, *head = fq->q.fragments;
        int    payload_len;
        unsigned int nhoff;
 
@@ -629,11 +618,11 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct 
sk_buff *prev,
                fp->next = head->next;
                prev->next = fp;
 
-               skb_morph(head, fq->fragments);
-               head->next = fq->fragments->next;
+               skb_morph(head, fq->q.fragments);
+               head->next = fq->q.fragments->next;
 
-               kfree_skb(fq->fragments);
-               fq->fragments = head;
+               kfree_skb(fq->q.fragments);
+               fq->q.fragments = head;
        }
 
        BUG_TRAP(head != NULL);
@@ -641,7 +630,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct 
sk_buff *prev,
 
        /* Unfragmented part is taken from the first segment. */
        payload_len = ((head->data - skb_network_header(head)) -
-                      sizeof(struct ipv6hdr) + fq->len -
+                      sizeof(struct ipv6hdr) + fq->q.len -
                       sizeof(struct frag_hdr));
        if (payload_len > IPV6_MAXPLEN)
                goto out_oversize;
@@ -700,7 +689,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct 
sk_buff *prev,
 
        head->next = NULL;
        head->dev = dev;
-       head->tstamp = fq->stamp;
+       head->tstamp = fq->q.stamp;
        ipv6_hdr(head)->payload_len = htons(payload_len);
        IP6CB(head)->nhoff = nhoff;
 
@@ -713,7 +702,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct 
sk_buff *prev,
        rcu_read_lock();
        IP6_INC_STATS_BH(__in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
        rcu_read_unlock();
-       fq->fragments = NULL;
+       fq->q.fragments = NULL;
        return 1;
 
 out_oversize:
@@ -773,11 +762,11 @@ static int ipv6_frag_rcv(struct sk_buff **skbp)
                          ip6_dst_idev(skb->dst))) != NULL) {
                int ret;
 
-               spin_lock(&fq->lock);
+               spin_lock(&fq->q.lock);
 
                ret = ip6_frag_queue(fq, skb, fhdr, IP6CB(skb)->nhoff);
 
-               spin_unlock(&fq->lock);
+               spin_unlock(&fq->q.lock);
                fq_put(fq, NULL);
                return ret;
        }
-
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