net/atm/clip.c

115 	pr_err("ATMARP: failed (entry %p, vcc 0x%p)\n", entry, clip_vcc);
132 			pr_debug("releasing vcc %p->%p of entry %p\n",
133 				 cv, cv->vcc, entry);
134 			vcc_release_async(cv->vcc, -ETIMEDOUT);
167 	struct atm_vcc *vcc;
170 	vcc = ATM_SKB(skb)->vcc;
171 	if (!vcc || !atm_charge(vcc, skb->truesize)) {
175 	pr_debug("pushing to %p\n", vcc);
176 	pr_debug("using %p\n", CLIP_VCC(vcc)->old_push);
177 	CLIP_VCC(vcc)->old_push(vcc, skb);
190 static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
192 	struct clip_vcc *clip_vcc = CLIP_VCC(vcc);
197 		atm_return(vcc, skb->truesize);
206 		clip_vcc->old_push(vcc, NULL);	/* pass on the bad news */
210 	atm_return(vcc, skb->truesize);
217 	ATM_SKB(skb)->vcc = vcc;
245 static void clip_pop(struct atm_vcc *vcc, struct sk_buff *skb)
247 	struct clip_vcc *clip_vcc = CLIP_VCC(vcc);
252 	pr_debug("(vcc %p)\n", vcc);
253 	clip_vcc->old_pop(vcc, skb);
258 	if (atm_may_send(vcc, 0)) {
319 static int clip_encap(struct atm_vcc *vcc, int mode)
321 	if (!CLIP_VCC(vcc))
324 	CLIP_VCC(vcc)->encap = mode;
335 	struct atm_vcc *vcc;
376 	ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
377 	pr_debug("using neighbour %p, vcc %p\n", n, vcc);
385 	atm_account_tx(vcc, skb);
387 	pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, vcc, vcc->dev);
395 	vcc->send(vcc, skb);
396 	if (atm_may_send(vcc, 0)) {
415 static int clip_mkip(struct atm_vcc *vcc, int timeout)
419 	if (!vcc->push)
424 	pr_debug("%p vcc %p\n", clip_vcc, vcc);
425 	clip_vcc->vcc = vcc;
426 	vcc->user_back = clip_vcc;
427 	set_bit(ATM_VF_IS_CLIP, &vcc->flags);
433 	clip_vcc->old_push = vcc->push;
434 	clip_vcc->old_pop = vcc->pop;
435 	vcc->push = clip_push;
436 	vcc->pop = clip_pop;
439 	vcc_process_recv_queue(vcc);
444 static int clip_setentry(struct atm_vcc *vcc, __be32 ip)
452 	if (vcc->push != clip_push) {
456 	clip_vcc = CLIP_VCC(vcc);
607 static void atmarpd_close(struct atm_vcc *vcc)
613 	skb_queue_purge(&sk_atm(vcc)->sk_receive_queue);
633 static int atm_init_atmarp(struct atm_vcc *vcc)
643 	atmarpd = vcc;
644 	set_bit(ATM_VF_META, &vcc->flags);
645 	set_bit(ATM_VF_READY, &vcc->flags);
647 	vcc->dev = &atmarpd_dev;
648 	vcc_insert_socket(sk_atm(vcc));
649 	vcc->push = NULL;
650 	vcc->pop = NULL; /* crash */
651 	vcc->push_oam = NULL; /* crash */
658 	struct atm_vcc *vcc = ATM_SD(sock);
679 		err = atm_init_atmarp(vcc);
686 		err = clip_mkip(vcc, arg);
689 		err = clip_setentry(vcc, (__force __be32)arg);
692 		err = clip_encap(vcc, arg);
745 	       (sk_atm(clip_vcc->vcc)->sk_family == AF_ATMSVC));
773 			   clip_vcc->vcc->dev->number,
774 			   clip_vcc->vcc->vpi, clip_vcc->vcc->vci);
776 		svc_addr(seq, &clip_vcc->vcc->remote);
786 	struct clip_vcc *vcc;
809 	struct clip_vcc *vcc = state->vcc;
811 	vcc = clip_seq_next_vcc(e, vcc);
812 	if (vcc && pos != NULL) {
814 			vcc = clip_seq_next_vcc(e, vcc);
815 			if (!vcc)
820 	state->vcc = vcc;
822 	return vcc;
852 		struct clip_vcc *vcc = state->vcc;
855 		atmarp_info(seq, n, neighbour_priv(n), vcc);