82 	struct sk_buff_head xq;		/* pppd transmit queue */  member
495 	skb_queue_tail(&pf->xq, skb);  in ppp_write()
1007 	skb_queue_tail(&ppp->file.xq, skb);  in ppp_start_xmit()
1128 		       (skb = skb_dequeue(&ppp->file.xq)))  in ppp_xmit_process()
1132 		if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq))  in ppp_xmit_process()
1404 			if (skb_queue_empty(&pch->file.xq) ||  in ppp_mp_explode()
1571 		if (!skb_queue_empty(&pch->file.xq) ||  in ppp_mp_explode()
1573 			skb_queue_tail(&pch->file.xq, frag);  in ppp_mp_explode()
1606 		while (!skb_queue_empty(&pch->file.xq)) {  in ppp_channel_push()
1607 			skb = skb_dequeue(&pch->file.xq);  in ppp_channel_push()
1610 				skb_queue_head(&pch->file.xq, skb);  in ppp_channel_push()
1616 		skb_queue_purge(&pch->file.xq);  in ppp_channel_push()
1620 	if (skb_queue_empty(&pch->file.xq)) {  in ppp_channel_push()
2772 	skb_queue_head_init(&pf->xq);  in init_ppp_file()
2828 	skb_queue_purge(&ppp->file.xq);  in ppp_destroy_interface()
2972 	skb_queue_purge(&pch->file.xq);  in ppp_destroy_channel()