94 static unsigned int ip6_hashfn(const struct inet_frag_queue *q)  in ip6_hashfn()  argument
98 	fq = container_of(q, struct frag_queue, q);  in ip6_hashfn()
102 bool ip6_frag_match(const struct inet_frag_queue *q, const void *a)  in ip6_frag_match()  argument
107 	fq = container_of(q, struct frag_queue, q);  in ip6_frag_match()
118 void ip6_frag_init(struct inet_frag_queue *q, const void *a)  in ip6_frag_init()  argument
120 	struct frag_queue *fq = container_of(q, struct frag_queue, q);  in ip6_frag_init()
136 	spin_lock(&fq->q.lock);  in ip6_expire_frag_queue()
138 	if (fq->q.flags & INET_FRAG_COMPLETE)  in ip6_expire_frag_queue()
141 	inet_frag_kill(&fq->q, frags);  in ip6_expire_frag_queue()
150 	if (fq->q.flags & INET_FRAG_EVICTED)  in ip6_expire_frag_queue()
156 	if (!(fq->q.flags & INET_FRAG_FIRST_IN) || !fq->q.fragments)  in ip6_expire_frag_queue()
163 	fq->q.fragments->dev = dev;  in ip6_expire_frag_queue()
164 	icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0);  in ip6_expire_frag_queue()
168 	spin_unlock(&fq->q.lock);  in ip6_expire_frag_queue()
169 	inet_frag_put(&fq->q, frags);  in ip6_expire_frag_queue()
178 	fq = container_of((struct inet_frag_queue *)data, struct frag_queue, q);  in ip6_frag_expire()
179 	net = container_of(fq->q.net, struct net, ipv6.frags);  in ip6_frag_expire()
188 	struct inet_frag_queue *q;  in fq_find()  local
201 	q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash);  in fq_find()
202 	if (IS_ERR_OR_NULL(q)) {  in fq_find()
203 		inet_frag_maybe_warn_overflow(q, pr_fmt());  in fq_find()
206 	return container_of(q, struct frag_queue, q);  in fq_find()
218 	if (fq->q.flags & INET_FRAG_COMPLETE)  in ip6_frag_queue()
248 		if (end < fq->q.len ||  in ip6_frag_queue()
249 		    ((fq->q.flags & INET_FRAG_LAST_IN) && end != fq->q.len))  in ip6_frag_queue()
251 		fq->q.flags |= INET_FRAG_LAST_IN;  in ip6_frag_queue()
252 		fq->q.len = end;  in ip6_frag_queue()
267 		if (end > fq->q.len) {  in ip6_frag_queue()
269 			if (fq->q.flags & INET_FRAG_LAST_IN)  in ip6_frag_queue()
271 			fq->q.len = end;  in ip6_frag_queue()
289 	prev = fq->q.fragments_tail;  in ip6_frag_queue()
295 	for (next = fq->q.fragments; next != NULL; next = next->next) {  in ip6_frag_queue()
323 		fq->q.fragments_tail = skb;  in ip6_frag_queue()
327 		fq->q.fragments = skb;  in ip6_frag_queue()
334 	fq->q.stamp = skb->tstamp;  in ip6_frag_queue()
335 	fq->q.meat += skb->len;  in ip6_frag_queue()
337 	add_frag_mem_limit(&fq->q, skb->truesize);  in ip6_frag_queue()
344 		fq->q.flags |= INET_FRAG_FIRST_IN;  in ip6_frag_queue()
347 	if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&  in ip6_frag_queue()
348 	    fq->q.meat == fq->q.len) {  in ip6_frag_queue()
362 	inet_frag_kill(&fq->q, &ip6_frags);  in ip6_frag_queue()
382 	struct net *net = container_of(fq->q.net, struct net, ipv6.frags);  in ip6_frag_reasm()
383 	struct sk_buff *fp, *head = fq->q.fragments;  in ip6_frag_reasm()
389 	inet_frag_kill(&fq->q, &ip6_frags);  in ip6_frag_reasm()
405 			fq->q.fragments_tail = fp;  in ip6_frag_reasm()
408 		skb_morph(head, fq->q.fragments);  in ip6_frag_reasm()
409 		head->next = fq->q.fragments->next;  in ip6_frag_reasm()
411 		consume_skb(fq->q.fragments);  in ip6_frag_reasm()
412 		fq->q.fragments = head;  in ip6_frag_reasm()
420 		       sizeof(struct ipv6hdr) + fq->q.len -  in ip6_frag_reasm()
450 		add_frag_mem_limit(&fq->q, clone->truesize);  in ip6_frag_reasm()
488 	sub_frag_mem_limit(&fq->q, sum_truesize);  in ip6_frag_reasm()
492 	head->tstamp = fq->q.stamp;  in ip6_frag_reasm()
507 	fq->q.fragments = NULL;  in ip6_frag_reasm()
508 	fq->q.fragments_tail = NULL;  in ip6_frag_reasm()
562 		spin_lock(&fq->q.lock);  in ipv6_frag_rcv()
566 		spin_unlock(&fq->q.lock);  in ipv6_frag_rcv()
567 		inet_frag_put(&fq->q, &ip6_frags);  in ipv6_frag_rcv()