1607 static struct sk_buff *isdn_ppp_mp_discard(ippp_bundle *mp,
1611 static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb);
1619 	ippp_bundle *mp;  in isdn_ppp_mp_receive()  local
1627 	mp = net_dev->pb;  in isdn_ppp_mp_receive()
1628 	stats = &mp->stats;  in isdn_ppp_mp_receive()
1635 		spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1639 	if (++mp->frames > stats->max_queue_len)  in isdn_ppp_mp_receive()
1640 		stats->max_queue_len = mp->frames;  in isdn_ppp_mp_receive()
1652 	if (mp->seq > MP_LONGSEQ_MAX && (newseq & MP_LONGSEQ_MAXBIT)) {  in isdn_ppp_mp_receive()
1653 		mp->seq = newseq;	/* the first packet: required for  in isdn_ppp_mp_receive()
1656 	} else if (MP_LT(newseq, mp->seq)) {  in isdn_ppp_mp_receive()
1658 		isdn_ppp_mp_free_skb(mp, skb);  in isdn_ppp_mp_receive()
1659 		spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1678 	if (MP_LT(minseq, mp->seq))  in isdn_ppp_mp_receive()
1679 		minseq = mp->seq;	/* can't go beyond already processed  in isdn_ppp_mp_receive()
1684 	if ((frag = mp->frags) == NULL || MP_LT(newseq, MP_SEQ(frag))) {  in isdn_ppp_mp_receive()
1686 		mp->frags = frag = newfrag;  in isdn_ppp_mp_receive()
1691 		MP_SEQ(frag) == mp->seq ? frag : NULL;  in isdn_ppp_mp_receive()
1722 			isdn_ppp_mp_free_skb(mp, newfrag);  in isdn_ppp_mp_receive()
1741 				start = isdn_ppp_mp_discard(mp, start, frag);  in isdn_ppp_mp_receive()
1750 				if (mp->frags == frag)  in isdn_ppp_mp_receive()
1751 					mp->frags = nextf;  in isdn_ppp_mp_receive()
1752 				isdn_ppp_mp_free_skb(mp, frag);  in isdn_ppp_mp_receive()
1763 			minseq = mp->seq = (thisseq + 1) & MP_LONGSEQ_MASK;  in isdn_ppp_mp_receive()
1770 			mp->frags = nextf;  in isdn_ppp_mp_receive()
1810 				mp->frags = isdn_ppp_mp_discard(mp, start, nextf);  in isdn_ppp_mp_receive()
1819 	if (mp->frags == NULL)  in isdn_ppp_mp_receive()
1820 		mp->frags = frag;  in isdn_ppp_mp_receive()
1824 	if (mp->frames > MP_MAX_QUEUE_LEN) {  in isdn_ppp_mp_receive()
1826 		while (mp->frames > MP_MAX_QUEUE_LEN) {  in isdn_ppp_mp_receive()
1827 			frag = mp->frags->next;  in isdn_ppp_mp_receive()
1828 			isdn_ppp_mp_free_skb(mp, mp->frags);  in isdn_ppp_mp_receive()
1829 			mp->frags = frag;  in isdn_ppp_mp_receive()
1832 	spin_unlock_irqrestore(&mp->lock, flags);  in isdn_ppp_mp_receive()
1881 struct sk_buff *isdn_ppp_mp_discard(ippp_bundle *mp,  in isdn_ppp_mp_discard()  argument
1887 			isdn_ppp_mp_free_skb(mp, from);  in isdn_ppp_mp_discard()
1896 	ippp_bundle *mp = net_dev->pb;  in isdn_ppp_mp_reassembly()  local
1912 		mp->frames--;  in isdn_ppp_mp_reassembly()
1927 			isdn_ppp_mp_discard(mp, from, to);  in isdn_ppp_mp_reassembly()
1938 			isdn_ppp_mp_free_skb(mp, from);  in isdn_ppp_mp_reassembly()
1946 static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb)  in isdn_ppp_mp_free_skb()  argument
1949 	mp->frames--;  in isdn_ppp_mp_free_skb()