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Diffstat (limited to 'net/ipv6/reassembly.c')
-rw-r--r--net/ipv6/reassembly.c45
1 files changed, 20 insertions, 25 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 21913c78f053..ce8734028d94 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -164,17 +164,20 @@ static inline void frag_kfree_skb(struct sk_buff *skb, int *work)
164 kfree_skb(skb); 164 kfree_skb(skb);
165} 165}
166 166
167static void ip6_frag_free(struct inet_frag_queue *fq) 167void ip6_frag_init(struct inet_frag_queue *q, void *a)
168{ 168{
169 kfree(container_of(fq, struct frag_queue, q)); 169 struct frag_queue *fq = container_of(q, struct frag_queue, q);
170 struct ip6_create_arg *arg = a;
171
172 fq->id = arg->id;
173 ipv6_addr_copy(&fq->saddr, arg->src);
174 ipv6_addr_copy(&fq->daddr, arg->dst);
170} 175}
176EXPORT_SYMBOL(ip6_frag_init);
171 177
172static inline struct frag_queue *frag_alloc_queue(void) 178static void ip6_frag_free(struct inet_frag_queue *fq)
173{ 179{
174 struct inet_frag_queue *q; 180 kfree(container_of(fq, struct frag_queue, q));
175
176 q = inet_frag_alloc(&ip6_frags);
177 return q ? container_of(q, struct frag_queue, q) : NULL;
178} 181}
179 182
180/* Destruction primitives. */ 183/* Destruction primitives. */
@@ -244,31 +247,22 @@ out:
244 247
245/* Creation primitives. */ 248/* Creation primitives. */
246 249
247
248static struct frag_queue *ip6_frag_intern(struct frag_queue *fq_in,
249 unsigned int hash)
250{
251 struct inet_frag_queue *q;
252
253 q = inet_frag_intern(&fq_in->q, &ip6_frags, hash);
254 return container_of(q, struct frag_queue, q);
255}
256
257
258static struct frag_queue * 250static struct frag_queue *
259ip6_frag_create(__be32 id, struct in6_addr *src, struct in6_addr *dst, 251ip6_frag_create(__be32 id, struct in6_addr *src, struct in6_addr *dst,
260 struct inet6_dev *idev, unsigned int hash) 252 struct inet6_dev *idev, unsigned int hash)
261{ 253{
262 struct frag_queue *fq; 254 struct inet_frag_queue *q;
255 struct ip6_create_arg arg;
263 256
264 if ((fq = frag_alloc_queue()) == NULL) 257 arg.id = id;
265 goto oom; 258 arg.src = src;
259 arg.dst = dst;
266 260
267 fq->id = id; 261 q = inet_frag_create(&ip6_frags, &arg, hash);
268 ipv6_addr_copy(&fq->saddr, src); 262 if (q == NULL)
269 ipv6_addr_copy(&fq->daddr, dst); 263 goto oom;
270 264
271 return ip6_frag_intern(fq, hash); 265 return container_of(q, struct frag_queue, q);
272 266
273oom: 267oom:
274 IP6_INC_STATS_BH(idev, IPSTATS_MIB_REASMFAILS); 268 IP6_INC_STATS_BH(idev, IPSTATS_MIB_REASMFAILS);
@@ -675,6 +669,7 @@ void __init ipv6_frag_init(void)
675 669
676 ip6_frags.ctl = &ip6_frags_ctl; 670 ip6_frags.ctl = &ip6_frags_ctl;
677 ip6_frags.hashfn = ip6_hashfn; 671 ip6_frags.hashfn = ip6_hashfn;
672 ip6_frags.constructor = ip6_frag_init;
678 ip6_frags.destructor = ip6_frag_free; 673 ip6_frags.destructor = ip6_frag_free;
679 ip6_frags.skb_free = NULL; 674 ip6_frags.skb_free = NULL;
680 ip6_frags.qsize = sizeof(struct frag_queue); 675 ip6_frags.qsize = sizeof(struct frag_queue);