1617 static struct sk_buff *isdn_ppp_mp_discard(ippp_bundle *mp,
1621 static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb);
1629 	ippp_bundle *mp;  in isdn_ppp_mp_receive()  local
1637 	mp = net_dev->pb;  in isdn_ppp_mp_receive()
1638 	stats = &mp->stats;  in isdn_ppp_mp_receive()
1645 		spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1649 	if (++mp->frames > stats->max_queue_len)  in isdn_ppp_mp_receive()
1650 		stats->max_queue_len = mp->frames;  in isdn_ppp_mp_receive()
1662 	if (mp->seq > MP_LONGSEQ_MAX && (newseq & MP_LONGSEQ_MAXBIT)) {  in isdn_ppp_mp_receive()
1663 		mp->seq = newseq;	/* the first packet: required for  in isdn_ppp_mp_receive()
1666 	} else if (MP_LT(newseq, mp->seq)) {  in isdn_ppp_mp_receive()
1668 		isdn_ppp_mp_free_skb(mp, skb);  in isdn_ppp_mp_receive()
1669 		spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1688 	if (MP_LT(minseq, mp->seq))  in isdn_ppp_mp_receive()
1689 		minseq = mp->seq;	/* can't go beyond already processed  in isdn_ppp_mp_receive()
1694 	if ((frag = mp->frags) == NULL || MP_LT(newseq, MP_SEQ(frag))) {  in isdn_ppp_mp_receive()
1696 		mp->frags = frag = newfrag;  in isdn_ppp_mp_receive()
1701 		MP_SEQ(frag) == mp->seq ? frag : NULL;  in isdn_ppp_mp_receive()
1732 			isdn_ppp_mp_free_skb(mp, newfrag);  in isdn_ppp_mp_receive()
1751 				start = isdn_ppp_mp_discard(mp, start, frag);  in isdn_ppp_mp_receive()
1760 				if (mp->frags == frag)  in isdn_ppp_mp_receive()
1761 					mp->frags = nextf;  in isdn_ppp_mp_receive()
1762 				isdn_ppp_mp_free_skb(mp, frag);  in isdn_ppp_mp_receive()
1773 			minseq = mp->seq = (thisseq + 1) & MP_LONGSEQ_MASK;  in isdn_ppp_mp_receive()
1780 			mp->frags = nextf;  in isdn_ppp_mp_receive()
1820 				mp->frags = isdn_ppp_mp_discard(mp, start, nextf);  in isdn_ppp_mp_receive()
1829 	if (mp->frags == NULL)  in isdn_ppp_mp_receive()
1830 		mp->frags = frag;  in isdn_ppp_mp_receive()
1834 	if (mp->frames > MP_MAX_QUEUE_LEN) {  in isdn_ppp_mp_receive()
1836 		while (mp->frames > MP_MAX_QUEUE_LEN) {  in isdn_ppp_mp_receive()
1837 			frag = mp->frags->next;  in isdn_ppp_mp_receive()
1838 			isdn_ppp_mp_free_skb(mp, mp->frags);  in isdn_ppp_mp_receive()
1839 			mp->frags = frag;  in isdn_ppp_mp_receive()
1842 	spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1891 struct sk_buff *isdn_ppp_mp_discard(ippp_bundle *mp,  in isdn_ppp_mp_discard()  argument
1897 			isdn_ppp_mp_free_skb(mp, from);  in isdn_ppp_mp_discard()
1906 	ippp_bundle *mp = net_dev->pb;  in isdn_ppp_mp_reassembly()  local
1922 		mp->frames--;  in isdn_ppp_mp_reassembly()
1937 			isdn_ppp_mp_discard(mp, from, to);  in isdn_ppp_mp_reassembly()
1948 			isdn_ppp_mp_free_skb(mp, from);  in isdn_ppp_mp_reassembly()
1956 static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb)  in isdn_ppp_mp_free_skb()  argument
1959 	mp->frames--;  in isdn_ppp_mp_free_skb()