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Commit a3054d48 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
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[DCCP]: Give more info on Step 6 failure debug printk 



Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2807d4ff

net/dccp/input.c

+9 −2
Original line number Diff line number Diff line
@@ -136,8 +136,15 @@ static int dccp_check_seqno(struct sock *sk, struct sk_buff *skb) 
		     DCCP_PKT_WITHOUT_ACK_SEQ))

			dp->dccps_gar = DCCP_SKB_CB(skb)->dccpd_ack_seq;

	} else {

		LIMIT_NETDEBUG(KERN_WARNING "DCCP: Step 6 failed, "

					    "sending SYNC...\n");

		LIMIT_NETDEBUG(KERN_WARNING "DCCP: Step 6 failed for %s packet, "

					    "(LSWL(%llu) <= P.seqno(%llu) <= S.SWH(%llu)) and "

					    "(P.ackno %s or LAWL(%llu) <= P.ackno(%llu) <= S.AWH(%llu), "

					    "sending SYNC...\n",

			       dccp_packet_name(dh->dccph_type),

			       lswl, DCCP_SKB_CB(skb)->dccpd_seq, dp->dccps_swh,

			       (DCCP_SKB_CB(skb)->dccpd_ack_seq ==

			        DCCP_PKT_WITHOUT_ACK_SEQ) ? "doesn't exist" : "exists",

			       lawl, DCCP_SKB_CB(skb)->dccpd_ack_seq, dp->dccps_awh);

		dccp_send_sync(sk, DCCP_SKB_CB(skb)->dccpd_seq, DCCP_PKT_SYNC);

		return -1;

	}