Merge ../linux-2.6-watchdog-mm
[pandora-kernel.git] / net / ipv6 / netfilter / nf_conntrack_reasm.c
index 00d5583..d9c1540 100644 (file)
@@ -54,9 +54,9 @@
 #define NF_CT_FRAG6_LOW_THRESH 196608  /* == 192*1024 */
 #define NF_CT_FRAG6_TIMEOUT IPV6_FRAG_TIMEOUT
 
-unsigned int nf_ct_frag6_high_thresh = 256*1024;
-unsigned int nf_ct_frag6_low_thresh = 192*1024;
-unsigned long nf_ct_frag6_timeout = IPV6_FRAG_TIMEOUT;
+unsigned int nf_ct_frag6_high_thresh __read_mostly = 256*1024;
+unsigned int nf_ct_frag6_low_thresh __read_mostly = 192*1024;
+unsigned long nf_ct_frag6_timeout __read_mostly = IPV6_FRAG_TIMEOUT;
 
 struct nf_ct_frag6_skb_cb
 {
@@ -72,7 +72,7 @@ struct nf_ct_frag6_queue
        struct hlist_node       list;
        struct list_head        lru_list;       /* lru list member      */
 
-       __u32                   id;             /* fragment id          */
+       __be32                  id;             /* fragment id          */
        struct in6_addr         saddr;
        struct in6_addr         daddr;
 
@@ -115,28 +115,28 @@ static __inline__ void fq_unlink(struct nf_ct_frag6_queue *fq)
        write_unlock(&nf_ct_frag6_lock);
 }
 
-static unsigned int ip6qhashfn(u32 id, struct in6_addr *saddr,
+static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr,
                               struct in6_addr *daddr)
 {
        u32 a, b, c;
 
-       a = saddr->s6_addr32[0];
-       b = saddr->s6_addr32[1];
-       c = saddr->s6_addr32[2];
+       a = (__force u32)saddr->s6_addr32[0];
+       b = (__force u32)saddr->s6_addr32[1];
+       c = (__force u32)saddr->s6_addr32[2];
 
        a += JHASH_GOLDEN_RATIO;
        b += JHASH_GOLDEN_RATIO;
        c += nf_ct_frag6_hash_rnd;
        __jhash_mix(a, b, c);
 
-       a += saddr->s6_addr32[3];
-       b += daddr->s6_addr32[0];
-       c += daddr->s6_addr32[1];
+       a += (__force u32)saddr->s6_addr32[3];
+       b += (__force u32)daddr->s6_addr32[0];
+       c += (__force u32)daddr->s6_addr32[1];
        __jhash_mix(a, b, c);
 
-       a += daddr->s6_addr32[2];
-       b += daddr->s6_addr32[3];
-       c += id;
+       a += (__force u32)daddr->s6_addr32[2];
+       b += (__force u32)daddr->s6_addr32[3];
+       c += (__force u32)id;
        __jhash_mix(a, b, c);
 
        return c & (FRAG6Q_HASHSZ - 1);
@@ -338,7 +338,7 @@ static struct nf_ct_frag6_queue *nf_ct_frag6_intern(unsigned int hash,
 
 
 static struct nf_ct_frag6_queue *
-nf_ct_frag6_create(unsigned int hash, u32 id, struct in6_addr *src,                               struct in6_addr *dst)
+nf_ct_frag6_create(unsigned int hash, __be32 id, struct in6_addr *src,                            struct in6_addr *dst)
 {
        struct nf_ct_frag6_queue *fq;
 
@@ -366,7 +366,7 @@ oom:
 }
 
 static __inline__ struct nf_ct_frag6_queue *
-fq_find(u32 id, struct in6_addr *src, struct in6_addr *dst)
+fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
 {
        struct nf_ct_frag6_queue *fq;
        struct hlist_node *n;
@@ -408,7 +408,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
                return -1;
        }
 
-       if (skb->ip_summed == CHECKSUM_HW)
+       if (skb->ip_summed == CHECKSUM_COMPLETE)
                skb->csum = csum_sub(skb->csum,
                                     csum_partial(skb->nh.raw,
                                                  (u8*)(fhdr + 1) - skb->nh.raw,
@@ -640,7 +640,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
                head->len += fp->len;
                if (head->ip_summed != fp->ip_summed)
                        head->ip_summed = CHECKSUM_NONE;
-               else if (head->ip_summed == CHECKSUM_HW)
+               else if (head->ip_summed == CHECKSUM_COMPLETE)
                        head->csum = csum_add(head->csum, fp->csum);
                head->truesize += fp->truesize;
                atomic_sub(fp->truesize, &nf_ct_frag6_mem);
@@ -652,7 +652,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
        head->nh.ipv6h->payload_len = htons(payload_len);
 
        /* Yes, and fold redundant checksum back. 8) */
-       if (head->ip_summed == CHECKSUM_HW)
+       if (head->ip_summed == CHECKSUM_COMPLETE)
                head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum);
 
        fq->fragments = NULL;
@@ -835,6 +835,8 @@ void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb,
                s->nfct_reasm = skb;
 
                s2 = s->next;
+               s->next = NULL;
+
                NF_HOOK_THRESH(PF_INET6, hooknum, s, in, out, okfn,
                               NF_IP6_PRI_CONNTRACK_DEFRAG + 1);
                s = s2;