82 	struct sk_buff_head xq;		/* pppd transmit queue */  member
501 	skb_queue_tail(&pf->xq, skb);  in ppp_write()
1033 	skb_queue_tail(&ppp->file.xq, skb);  in ppp_start_xmit()
1173 		       (skb = skb_dequeue(&ppp->file.xq)))  in ppp_xmit_process()
1177 		if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq))  in ppp_xmit_process()
1449 			if (skb_queue_empty(&pch->file.xq) ||  in ppp_mp_explode()
1616 		if (!skb_queue_empty(&pch->file.xq) ||  in ppp_mp_explode()
1618 			skb_queue_tail(&pch->file.xq, frag);  in ppp_mp_explode()
1651 		while (!skb_queue_empty(&pch->file.xq)) {  in ppp_channel_push()
1652 			skb = skb_dequeue(&pch->file.xq);  in ppp_channel_push()
1655 				skb_queue_head(&pch->file.xq, skb);  in ppp_channel_push()
1661 		skb_queue_purge(&pch->file.xq);  in ppp_channel_push()
1665 	if (skb_queue_empty(&pch->file.xq)) {  in ppp_channel_push()
2825 	skb_queue_head_init(&pf->xq);  in init_ppp_file()
2853 	skb_queue_purge(&ppp->file.xq);  in ppp_destroy_interface()
2994 	skb_queue_purge(&pch->file.xq);  in ppp_destroy_channel()