83 	struct sk_buff_head xq;		/* pppd transmit queue */  member
520 		skb_queue_tail(&pf->xq, skb);  in ppp_write()
1510 			skb_queue_tail(&ppp->file.xq, skb);  in __ppp_xmit_process()
1512 		       (skb = skb_dequeue(&ppp->file.xq)))  in __ppp_xmit_process()
1516 		if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq))  in __ppp_xmit_process()
1814 			if (skb_queue_empty(&pch->file.xq) ||  in ppp_mp_explode()
1981 		if (!skb_queue_empty(&pch->file.xq) ||  in ppp_mp_explode()
1983 			skb_queue_tail(&pch->file.xq, frag);  in ppp_mp_explode()
2013 		while (!skb_queue_empty(&pch->file.xq)) {  in __ppp_channel_push()
2014 			skb = skb_dequeue(&pch->file.xq);  in __ppp_channel_push()
2017 				skb_queue_head(&pch->file.xq, skb);  in __ppp_channel_push()
2023 		skb_queue_purge(&pch->file.xq);  in __ppp_channel_push()
2027 	if (skb_queue_empty(&pch->file.xq)) {  in __ppp_channel_push()
3181 	skb_queue_head_init(&pf->xq);  in init_ppp_file()
3209 	skb_queue_purge(&ppp->file.xq);  in ppp_destroy_interface()
3363 	skb_queue_purge(&pch->file.xq);  in ppp_destroy_channel()