114 	struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_release_cb()  local
125 	if (test_and_clear_bit(BLOCKED, &pvcc->blocked))  in pppoatm_release_cb()
126 		tasklet_schedule(&pvcc->wakeup_tasklet);  in pppoatm_release_cb()
127 	if (pvcc->old_release_cb)  in pppoatm_release_cb()
128 		pvcc->old_release_cb(atmvcc);  in pppoatm_release_cb()
137 	struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_pop()  local
139 	pvcc->old_pop(atmvcc, skb);  in pppoatm_pop()
140 	atomic_dec(&pvcc->inflight);  in pppoatm_pop()
160 	if (test_and_clear_bit(BLOCKED, &pvcc->blocked))  in pppoatm_pop()
161 		tasklet_schedule(&pvcc->wakeup_tasklet);  in pppoatm_pop()
170 	struct pppoatm_vcc *pvcc;  in pppoatm_unassign_vcc()  local
171 	pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_unassign_vcc()
172 	atmvcc->push = pvcc->old_push;  in pppoatm_unassign_vcc()
173 	atmvcc->pop = pvcc->old_pop;  in pppoatm_unassign_vcc()
174 	atmvcc->release_cb = pvcc->old_release_cb;  in pppoatm_unassign_vcc()
175 	tasklet_kill(&pvcc->wakeup_tasklet);  in pppoatm_unassign_vcc()
176 	ppp_unregister_channel(&pvcc->chan);  in pppoatm_unassign_vcc()
178 	kfree(pvcc);  in pppoatm_unassign_vcc()
184 	struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_push()  local
189 		pr_debug("removing ATMPPP VCC %p\n", pvcc);  in pppoatm_push()
190 		module = pvcc->old_owner;  in pppoatm_push()
197 	switch (pvcc->encaps) {  in pppoatm_push()
205 		if (pvcc->chan.ppp == NULL) {	/* Not bound yet! */  in pppoatm_push()
211 			pvcc->encaps = e_llc;  in pppoatm_push()
218 			pvcc->encaps = e_vc;  in pppoatm_push()
219 			pvcc->chan.mtu += LLC_LEN;  in pppoatm_push()
229 	ppp_input(&pvcc->chan, skb);  in pppoatm_push()
234 	ppp_input_error(&pvcc->chan, 0);  in pppoatm_push()
237 static int pppoatm_may_send(struct pppoatm_vcc *pvcc, int size)  in pppoatm_may_send()  argument
246 	if (atm_may_send(pvcc->atmvcc, size) &&  in pppoatm_may_send()
247 	    atomic_inc_not_zero_hint(&pvcc->inflight, NONE_INFLIGHT))  in pppoatm_may_send()
257 	test_and_set_bit(BLOCKED, &pvcc->blocked);  in pppoatm_may_send()
276 	if (atm_may_send(pvcc->atmvcc, size) &&  in pppoatm_may_send()
277 	    atomic_inc_not_zero(&pvcc->inflight))  in pppoatm_may_send()
294 	struct pppoatm_vcc *pvcc = chan_to_pvcc(chan);  in pppoatm_send()  local
298 	ATM_SKB(skb)->vcc = pvcc->atmvcc;  in pppoatm_send()
299 	pr_debug("(skb=0x%p, vcc=0x%p)\n", skb, pvcc->atmvcc);  in pppoatm_send()
300 	if (skb->data[0] == '\0' && (pvcc->flags & SC_COMP_PROT))  in pppoatm_send()
311 		test_and_set_bit(BLOCKED, &pvcc->blocked);  in pppoatm_send()
322 	switch (pvcc->encaps) {		/* LLC encapsulation needed */  in pppoatm_send()
328 			    !pppoatm_may_send(pvcc, n->truesize)) {  in pppoatm_send()
338 		} else if (!pppoatm_may_send(pvcc, skb->truesize))  in pppoatm_send()
343 		if (!pppoatm_may_send(pvcc, skb->truesize))  in pppoatm_send()
367 	if ((pvcc->flags & SC_COMP_PROT) && skb_headroom(skb) > 0 &&  in pppoatm_send()
396 	struct pppoatm_vcc *pvcc;  in pppoatm_assign_vcc()  local
408 	pvcc = kzalloc(sizeof(*pvcc), GFP_KERNEL);  in pppoatm_assign_vcc()
409 	if (pvcc == NULL)  in pppoatm_assign_vcc()
411 	pvcc->atmvcc = atmvcc;  in pppoatm_assign_vcc()
414 	atomic_set(&pvcc->inflight, NONE_INFLIGHT);  in pppoatm_assign_vcc()
415 	pvcc->old_push = atmvcc->push;  in pppoatm_assign_vcc()
416 	pvcc->old_pop = atmvcc->pop;  in pppoatm_assign_vcc()
417 	pvcc->old_owner = atmvcc->owner;  in pppoatm_assign_vcc()
418 	pvcc->old_release_cb = atmvcc->release_cb;  in pppoatm_assign_vcc()
419 	pvcc->encaps = (enum pppoatm_encaps) be.encaps;  in pppoatm_assign_vcc()
420 	pvcc->chan.private = pvcc;  in pppoatm_assign_vcc()
421 	pvcc->chan.ops = &pppoatm_ops;  in pppoatm_assign_vcc()
422 	pvcc->chan.mtu = atmvcc->qos.txtp.max_sdu - PPP_HDRLEN -  in pppoatm_assign_vcc()
424 	pvcc->wakeup_tasklet = tasklet_proto;  in pppoatm_assign_vcc()
425 	pvcc->wakeup_tasklet.data = (unsigned long) &pvcc->chan;  in pppoatm_assign_vcc()
426 	err = ppp_register_channel(&pvcc->chan);  in pppoatm_assign_vcc()
428 		kfree(pvcc);  in pppoatm_assign_vcc()
431 	atmvcc->user_back = pvcc;  in pppoatm_assign_vcc()