1586 static void isdn_ppp_mp_discard(ippp_bundle *mp, struct sk_buff *from,
1591 static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb);
1603 	ippp_bundle *mp;  in isdn_ppp_mp_receive()  local
1607 	mp = net_dev->pb;  in isdn_ppp_mp_receive()
1608 	stats = &mp->stats;  in isdn_ppp_mp_receive()
1615 		spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1619 	if (++mp->frames > stats->max_queue_len)  in isdn_ppp_mp_receive()
1620 		stats->max_queue_len = mp->frames;  in isdn_ppp_mp_receive()
1631 	if (mp->seq > MP_LONGSEQ_MAX && (newseq & MP_LONGSEQ_MAXBIT)) {  in isdn_ppp_mp_receive()
1632 		mp->seq = newseq;	/* the first packet: required for  in isdn_ppp_mp_receive()
1635 	} else if( MP_LT(newseq, mp->seq) ) {  in isdn_ppp_mp_receive()
1637 		isdn_ppp_mp_free_skb(mp, skb);  in isdn_ppp_mp_receive()
1638 		spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1657 	if (MP_LT(minseq, mp->seq))  in isdn_ppp_mp_receive()
1658 		minseq = mp->seq;	/* can't go beyond already processed  in isdn_ppp_mp_receive()
1663 	skb_queue_walk(&mp->frags, frag) {  in isdn_ppp_mp_receive()
1665 			isdn_ppp_mp_free_skb(mp, newfrag);  in isdn_ppp_mp_receive()
1670 			__skb_queue_before(&mp->frags, frag, newfrag);  in isdn_ppp_mp_receive()
1676 		__skb_queue_tail(&mp->frags, newfrag);  in isdn_ppp_mp_receive()
1678 	frag = skb_peek(&mp->frags);  in isdn_ppp_mp_receive()
1680 		 (MP_SEQ(frag) == mp->seq)) ? frag : NULL;  in isdn_ppp_mp_receive()
1701 	skb_queue_walk_safe(&mp->frags, frag, nextf) {  in isdn_ppp_mp_receive()
1710 			isdn_ppp_mp_discard(mp, start, frag);  in isdn_ppp_mp_receive()
1718 				__skb_unlink(skb, &mp->frags);  in isdn_ppp_mp_receive()
1719 				isdn_ppp_mp_free_skb(mp, frag);  in isdn_ppp_mp_receive()
1728 			minseq = mp->seq = (thisseq+1) & MP_LONGSEQ_MASK;  in isdn_ppp_mp_receive()
1745 		if (nextf != (struct sk_buff *)&mp->frags &&   in isdn_ppp_mp_receive()
1761 			if (nextf != (struct sk_buff *)&mp->frags &&  in isdn_ppp_mp_receive()
1772 				isdn_ppp_mp_discard(mp, start, nextf);  in isdn_ppp_mp_receive()
1785 	if (mp->frames > MP_MAX_QUEUE_LEN) {  in isdn_ppp_mp_receive()
1787 		skb_queue_walk_safe(&mp->frags, frag, nextf) {  in isdn_ppp_mp_receive()
1788 			if (mp->frames <= MP_MAX_QUEUE_LEN)  in isdn_ppp_mp_receive()
1790 			__skb_unlink(frag, &mp->frags);  in isdn_ppp_mp_receive()
1791 			isdn_ppp_mp_free_skb(mp, frag);  in isdn_ppp_mp_receive()
1794 	spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1841 static void isdn_ppp_mp_discard(ippp_bundle *mp, struct sk_buff *from,  in isdn_ppp_mp_discard()  argument
1848 		skb_queue_walk_safe(&mp->frags, skb, tmp) {  in isdn_ppp_mp_discard()
1855 			__skb_unlink(skb, &mp->frags);  in isdn_ppp_mp_discard()
1856 			isdn_ppp_mp_free_skb(mp, skb);  in isdn_ppp_mp_discard()
1887 	ippp_bundle *mp = net_dev->pb;  in isdn_ppp_mp_reassembly()  local
1898 	tot_len = calc_tot_len(&mp->frags, from, to);  in isdn_ppp_mp_reassembly()
1906 		__skb_unlink(skb, &mp->frags);  in isdn_ppp_mp_reassembly()
1907 		mp->frames--;	  in isdn_ppp_mp_reassembly()
1923 		skb_queue_walk_safe(&mp->frags, walk, tmp) {  in isdn_ppp_mp_reassembly()
1935 			__skb_unlink(walk, &mp->frags);  in isdn_ppp_mp_reassembly()
1936 			isdn_ppp_mp_free_skb(mp, walk);  in isdn_ppp_mp_reassembly()
1949 static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb)  in isdn_ppp_mp_free_skb()  argument
1952 	mp->frames--;  in isdn_ppp_mp_free_skb()