X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fdccp%2Fminisocks.c;h=6656bb497c7bde44aa37520cb5e65781b24179a6;hb=ebaf0c6032f525ddb0158fb59848d41899dce8cd;hp=d3de696fe4bf487e60f0949d6362754359cee836;hpb=d83ca5accb256de1b44835cd222bfdc3207bd7dc;p=powerpc.git

diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index d3de696fe4..6656bb497c 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -32,8 +32,7 @@ struct inet_timewait_death_row dccp_death_row = {
 	.tw_timer	= TIMER_INITIALIZER(inet_twdr_hangman, 0,
 					    (unsigned long)&dccp_death_row),
 	.twkill_work	= __WORK_INITIALIZER(dccp_death_row.twkill_work,
-					     inet_twdr_twkill_work,
-					     &dccp_death_row),
+					     inet_twdr_twkill_work),
 /* Short-time timewait calendar */
 
 	.twcal_hand	= -1,
@@ -84,8 +83,7 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
 		 * socket up.  We've got bigger problems than
 		 * non-graceful socket closings.
 		 */
-		LIMIT_NETDEBUG(KERN_INFO "DCCP: time wait bucket "
-					 "table overflow\n");
+		DCCP_WARN("time wait bucket table overflow\n");
 	}
 
 	dccp_done(sk);
@@ -184,7 +182,7 @@ out_free:
 
 EXPORT_SYMBOL_GPL(dccp_create_openreq_child);
 
-/* 
+/*
  * Process an incoming packet for RESPOND sockets represented
  * as an request_sock.
  */
@@ -196,15 +194,17 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb,
 
 	/* Check for retransmitted REQUEST */
 	if (dccp_hdr(skb)->dccph_type == DCCP_PKT_REQUEST) {
-		if (after48(DCCP_SKB_CB(skb)->dccpd_seq,
-			    dccp_rsk(req)->dreq_isr)) {
-			struct dccp_request_sock *dreq = dccp_rsk(req);
+		struct dccp_request_sock *dreq = dccp_rsk(req);
 
+		if (after48(DCCP_SKB_CB(skb)->dccpd_seq, dreq->dreq_isr)) {
 			dccp_pr_debug("Retransmitted REQUEST\n");
-			/* Send another RESPONSE packet */
-			dccp_set_seqno(&dreq->dreq_iss, dreq->dreq_iss + 1);
-			dccp_set_seqno(&dreq->dreq_isr,
-				       DCCP_SKB_CB(skb)->dccpd_seq);
+			dreq->dreq_isr = DCCP_SKB_CB(skb)->dccpd_seq;
+			/*
+			 * Send another RESPONSE packet
+			 * To protect against Request floods, increment retrans
+			 * counter (backoff, monitored by dccp_response_timer).
+			 */
+			req->retrans++;
 			req->rsk_ops->rtx_syn_ack(sk, req, NULL);
 		}
 		/* Network Duplicate, discard packet */
@@ -244,7 +244,7 @@ listen_overflow:
 	DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_TOO_BUSY;
 drop:
 	if (dccp_hdr(skb)->dccph_type != DCCP_PKT_RESET)
-		req->rsk_ops->send_reset(skb);
+		req->rsk_ops->send_reset(sk, skb);
 
 	inet_csk_reqsk_queue_drop(sk, req, prev);
 	goto out;
@@ -287,9 +287,7 @@ EXPORT_SYMBOL_GPL(dccp_child_process);
 
 void dccp_reqsk_send_ack(struct sk_buff *skb, struct request_sock *rsk)
 {
-	pr_info(KERN_WARNING "DCCP: ACK packets are never sent in "
-			     "LISTEN/RESPOND state\n");
-	dump_stack();
+	DCCP_BUG("DCCP-ACK packets are never sent in LISTEN/RESPOND state");
 }
 
 EXPORT_SYMBOL_GPL(dccp_reqsk_send_ack);
@@ -298,7 +296,7 @@ void dccp_reqsk_init(struct request_sock *req, struct sk_buff *skb)
 {
 	inet_rsk(req)->rmt_port = dccp_hdr(skb)->dccph_sport;
 	inet_rsk(req)->acked	= 0;
-	req->rcv_wnd		= dccp_feat_default_sequence_window;
+	req->rcv_wnd		= sysctl_dccp_feat_sequence_window;
 }
 
 EXPORT_SYMBOL_GPL(dccp_reqsk_init);