commit e92ae93a8aa66aea12935420cb22d4df1c18d023
author Arnaldo Carvalho de Melo <acme@mandriva.com> Wed Aug 17 03:10:59 2005 -0300
committer David S. Miller <davem@sunset.davemloft.net> Mon Aug 29 16:01:50 2005 -0700
tree 61ffc292a8e437f7d44bbfe00c4e052f7488dd25
parent ba602a816132dcc66e875dddf2c62512a9f6f8cb

[DCCP]: Send SYNCACK packets in response to SYNC packets

Also fix step 6 when receiving SYNC or SYNCACK packets, i.e. we were not using
the updated swl.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/dccp/ipv4.c

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index bc3cfc0..335e00e 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -376,7 +376,7 @@
 		 *	probing, since DCCP-Sync probes do not risk application
 		 *	data loss.
 		 */
-		dccp_send_sync(sk, dp->dccps_gsr);
+		dccp_send_sync(sk, dp->dccps_gsr, DCCP_PKT_SYNC);
 	} /* else let the usual retransmit timer handle it */
 }
 
@@ -1008,7 +1008,7 @@
 		return 1;
 
 	if (!pskb_may_pull(skb, sizeof(struct dccp_hdr))) {
-		dccp_pr_debug("pskb_may_pull failed\n");
+		printk(KERN_WARNING "DCCP: pskb_may_pull failed\n");
 		return 1;
 	}
 
@@ -1016,7 +1016,7 @@
 
 	/* If the packet type is not understood, drop packet and return */
 	if (dh->dccph_type >= DCCP_PKT_INVALID) {
-		dccp_pr_debug("invalid packet type\n");
+		printk(KERN_WARNING "DCCP: invalid packet type\n");
 		return 1;
 	}
 
@@ -1025,12 +1025,13 @@
 	 * packet, drop packet and return
 	 */
 	if (dh->dccph_doff < dccp_hdr_len(skb) / sizeof(u32)) {
-		dccp_pr_debug("Offset(%u) too small 1\n", dh->dccph_doff);
+		printk(KERN_WARNING "DCCP: Offset(%u) too small 1\n",
+		       dh->dccph_doff);
 		return 1;
 	}
 
 	if (!pskb_may_pull(skb, dh->dccph_doff * sizeof(u32))) {
-		dccp_pr_debug("P.Data Offset(%u) too small 2\n",
+		printk(KERN_WARNING "DCCP: P.Data Offset(%u) too small 2\n",
 			      dh->dccph_doff);
 		return 1;
 	}
@@ -1045,15 +1046,16 @@
 	    dh->dccph_type != DCCP_PKT_DATA &&
 	    dh->dccph_type != DCCP_PKT_ACK &&
 	    dh->dccph_type != DCCP_PKT_DATAACK) {
-		dccp_pr_debug("P.type (%s) not Data, Ack nor DataAck and "
-			      "P.X == 0\n", dccp_packet_name(dh->dccph_type));
+		printk(KERN_WARNING "DCCP: P.type (%s) not Data, Ack nor "
+				    "DataAck and P.X == 0\n",
+		       dccp_packet_name(dh->dccph_type));
 		return 1;
 	}
 
 	/* If the header checksum is incorrect, drop packet and return */
 	if (dccp_v4_verify_checksum(skb, skb->nh.iph->saddr,
 				    skb->nh.iph->daddr) < 0) {
-		dccp_pr_debug("header checksum is incorrect\n");
+		printk(KERN_WARNING "DCCP: header checksum is incorrect\n");
 		return 1;
 	}