60 	struct atm_vcc	*atmvcc;	/* VCC descriptor */  member
92 static inline struct pppoatm_vcc *atmvcc_to_pvcc(const struct atm_vcc *atmvcc)  in atmvcc_to_pvcc()  argument
94 	return (struct pppoatm_vcc *) (atmvcc->user_back);  in atmvcc_to_pvcc()
112 static void pppoatm_release_cb(struct atm_vcc *atmvcc)  in pppoatm_release_cb()  argument
114 	struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_release_cb()
128 		pvcc->old_release_cb(atmvcc);  in pppoatm_release_cb()
135 static void pppoatm_pop(struct atm_vcc *atmvcc, struct sk_buff *skb)  in pppoatm_pop()  argument
137 	struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_pop()
139 	pvcc->old_pop(atmvcc, skb);  in pppoatm_pop()
168 static void pppoatm_unassign_vcc(struct atm_vcc *atmvcc)  in pppoatm_unassign_vcc()  argument
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()
177 	atmvcc->user_back = NULL;  in pppoatm_unassign_vcc()
182 static void pppoatm_push(struct atm_vcc *atmvcc, struct sk_buff *skb)  in pppoatm_push()  argument
184 	struct pppoatm_vcc *pvcc = atmvcc_to_pvcc(atmvcc);  in pppoatm_push()
191 		pppoatm_unassign_vcc(atmvcc);  in pppoatm_push()
192 		atmvcc->push(atmvcc, NULL);	/* Pass along bad news */  in pppoatm_push()
196 	atm_return(atmvcc, skb->truesize);  in pppoatm_push()
246 	if (atm_may_send(pvcc->atmvcc, size) &&  in pppoatm_may_send()
276 	if (atm_may_send(pvcc->atmvcc, size) &&  in pppoatm_may_send()
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()
393 static int pppoatm_assign_vcc(struct atm_vcc *atmvcc, void __user *arg)  in pppoatm_assign_vcc()  argument
411 	pvcc->atmvcc = atmvcc;  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()
422 	pvcc->chan.mtu = atmvcc->qos.txtp.max_sdu - PPP_HDRLEN -  in pppoatm_assign_vcc()
431 	atmvcc->user_back = pvcc;  in pppoatm_assign_vcc()
432 	atmvcc->push = pppoatm_push;  in pppoatm_assign_vcc()
433 	atmvcc->pop = pppoatm_pop;  in pppoatm_assign_vcc()
434 	atmvcc->release_cb = pppoatm_release_cb;  in pppoatm_assign_vcc()
436 	atmvcc->owner = THIS_MODULE;  in pppoatm_assign_vcc()
440 	vcc_process_recv_queue(atmvcc);  in pppoatm_assign_vcc()
451 	struct atm_vcc *atmvcc = ATM_SD(sock);  in pppoatm_ioctl()  local
454 	if (cmd != ATM_SETBACKEND && atmvcc->push != pppoatm_push)  in pppoatm_ioctl()
467 		return pppoatm_assign_vcc(atmvcc, argp);  in pppoatm_ioctl()
470 		return put_user(ppp_channel_index(&atmvcc_to_pvcc(atmvcc)->  in pppoatm_ioctl()
473 		return put_user(ppp_unit_number(&atmvcc_to_pvcc(atmvcc)->  in pppoatm_ioctl()