diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/nf_conntrack_reasm.c | 44 | ||||
| -rw-r--r-- | net/ipv6/reassembly.c | 32 |
2 files changed, 19 insertions, 57 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index a3aef387bcfb..785f5cda188e 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -114,25 +114,25 @@ static unsigned int nf_hashfn(struct inet_frag_queue *q) return ip6qhashfn(nq->id, &nq->saddr, &nq->daddr); } +static void nf_skb_free(struct sk_buff *skb) +{ + if (NFCT_FRAG6_CB(skb)->orig) + kfree_skb(NFCT_FRAG6_CB(skb)->orig); +} + /* Memory Tracking Functions. */ static inline void frag_kfree_skb(struct sk_buff *skb, unsigned int *work) { if (work) *work -= skb->truesize; atomic_sub(skb->truesize, &nf_frags.mem); - if (NFCT_FRAG6_CB(skb)->orig) - kfree_skb(NFCT_FRAG6_CB(skb)->orig); - + nf_skb_free(skb); kfree_skb(skb); } -static inline void frag_free_queue(struct nf_ct_frag6_queue *fq, - unsigned int *work) +static void nf_frag_free(struct inet_frag_queue *q) { - if (work) - *work -= sizeof(struct nf_ct_frag6_queue); - atomic_sub(sizeof(struct nf_ct_frag6_queue), &nf_frags.mem); - kfree(fq); + kfree(container_of(q, struct nf_ct_frag6_queue, q)); } static inline struct nf_ct_frag6_queue *frag_alloc_queue(void) @@ -147,31 +147,10 @@ static inline struct nf_ct_frag6_queue *frag_alloc_queue(void) /* Destruction primitives. */ -/* Complete destruction of fq. */ -static void nf_ct_frag6_destroy(struct nf_ct_frag6_queue *fq, - unsigned int *work) -{ - struct sk_buff *fp; - - BUG_TRAP(fq->q.last_in&COMPLETE); - BUG_TRAP(del_timer(&fq->q.timer) == 0); - - /* Release all fragment data. */ - fp = fq->q.fragments; - while (fp) { - struct sk_buff *xp = fp->next; - - frag_kfree_skb(fp, work); - fp = xp; - } - - frag_free_queue(fq, work); -} - static __inline__ void fq_put(struct nf_ct_frag6_queue *fq, unsigned int *work) { if (atomic_dec_and_test(&fq->q.refcnt)) - nf_ct_frag6_destroy(fq, work); + inet_frag_destroy(&fq->q, &nf_frags, work); } /* Kill fq entry. It is not destroyed immediately, @@ -799,6 +778,9 @@ int nf_ct_frag6_init(void) { nf_frags.ctl = &nf_frags_ctl; nf_frags.hashfn = nf_hashfn; + nf_frags.destructor = nf_frag_free; + nf_frags.skb_free = nf_skb_free; + nf_frags.qsize = sizeof(struct nf_ct_frag6_queue); inet_frags_init(&nf_frags); return 0; diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index c7d4961bbcf7..940b7d2383ec 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -152,12 +152,9 @@ static inline void frag_kfree_skb(struct sk_buff *skb, int *work) kfree_skb(skb); } -static inline void frag_free_queue(struct frag_queue *fq, int *work) +static void ip6_frag_free(struct inet_frag_queue *fq) { - if (work) - *work -= sizeof(struct frag_queue); - atomic_sub(sizeof(struct frag_queue), &ip6_frags.mem); - kfree(fq); + kfree(container_of(fq, struct frag_queue, q)); } static inline struct frag_queue *frag_alloc_queue(void) @@ -172,30 +169,10 @@ static inline struct frag_queue *frag_alloc_queue(void) /* Destruction primitives. */ -/* Complete destruction of fq. */ -static void ip6_frag_destroy(struct frag_queue *fq, int *work) -{ - struct sk_buff *fp; - - BUG_TRAP(fq->q.last_in&COMPLETE); - BUG_TRAP(del_timer(&fq->q.timer) == 0); - - /* Release all fragment data. */ - fp = fq->q.fragments; - while (fp) { - struct sk_buff *xp = fp->next; - - frag_kfree_skb(fp, work); - fp = xp; - } - - frag_free_queue(fq, work); -} - static __inline__ void fq_put(struct frag_queue *fq, int *work) { if (atomic_dec_and_test(&fq->q.refcnt)) - ip6_frag_destroy(fq, work); + inet_frag_destroy(&fq->q, &ip6_frags, work); } /* Kill fq entry. It is not destroyed immediately, @@ -744,5 +721,8 @@ void __init ipv6_frag_init(void) ip6_frags.ctl = &ip6_frags_ctl; ip6_frags.hashfn = ip6_hashfn; + ip6_frags.destructor = ip6_frag_free; + ip6_frags.skb_free = NULL; + ip6_frags.qsize = sizeof(struct frag_queue); inet_frags_init(&ip6_frags); } |