diff options
Diffstat (limited to 'net/ipv6/reassembly.c')
| -rw-r--r-- | net/ipv6/reassembly.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index e5253ec9e0f..3c6a77290c6 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -79,20 +79,8 @@ unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr, { u32 c; - c = jhash_3words((__force u32)saddr->s6_addr32[0], - (__force u32)saddr->s6_addr32[1], - (__force u32)saddr->s6_addr32[2], - rnd); - - c = jhash_3words((__force u32)saddr->s6_addr32[3], - (__force u32)daddr->s6_addr32[0], - (__force u32)daddr->s6_addr32[1], - c); - - c = jhash_3words((__force u32)daddr->s6_addr32[2], - (__force u32)daddr->s6_addr32[3], - (__force u32)id, - c); + c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr), + (__force u32)id, rnd); return c & (INETFRAGS_HASHSZ - 1); } @@ -327,7 +315,7 @@ found: } fq->q.stamp = skb->tstamp; fq->q.meat += skb->len; - atomic_add(skb->truesize, &fq->q.net->mem); + add_frag_mem_limit(&fq->q, skb->truesize); /* The first fragment. * nhoffset is obtained from the first fragment, of course. @@ -341,9 +329,7 @@ found: fq->q.meat == fq->q.len) return ip6_frag_reasm(fq, prev, dev); - write_lock(&ip6_frags.lock); - list_move_tail(&fq->q.lru_list, &fq->q.net->lru_list); - write_unlock(&ip6_frags.lock); + inet_frag_lru_move(&fq->q); return -1; discard_fq: @@ -406,7 +392,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, goto out_oversize; /* Head of list must not be cloned. */ - if (skb_cloned(head) && pskb_expand_head(head, 0, 0, GFP_ATOMIC)) + if (skb_unclone(head, GFP_ATOMIC)) goto out_oom; /* If the first fragment is fragmented itself, we split @@ -429,7 +415,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, head->len -= clone->len; clone->csum = 0; clone->ip_summed = head->ip_summed; - atomic_add(clone->truesize, &fq->q.net->mem); + add_frag_mem_limit(&fq->q, clone->truesize); } /* We have to remove fragment header from datagram and to relocate @@ -467,7 +453,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, } fp = next; } - atomic_sub(sum_truesize, &fq->q.net->mem); + sub_frag_mem_limit(&fq->q, sum_truesize); head->next = NULL; head->dev = dev; |