From: Arnaldo Carvalho de Melo <acme@mandriva.com>
Date: Fri, 9 Sep 2005 05:30:07 +0000 (-0300)
Subject: [CCID] Only call the HC insert_options methods when requested
X-Git-Tag: v2.6.14-rc1~262^2~1^2~7
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=507d37cf269ebbd1b32bcc435fe577e411f73151;p=linux-2.6

[CCID] Only call the HC insert_options methods when requested

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
---

diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 007c290f74..5e0af0d08a 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -433,6 +433,8 @@ struct dccp_sock {
 	struct ccid			*dccps_hc_tx_ccid;
 	struct dccp_options_received	dccps_options_received;
 	enum dccp_role			dccps_role:2;
+	__u8				dccps_hc_rx_insert_options:1;
+	__u8				dccps_hc_tx_insert_options:1;
 };
  
 static inline struct dccp_sock *dccp_sk(const struct sock *sk)
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index ae0500c79d..37fd9eb8da 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -358,10 +358,12 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
 	}
 
 	/* Can we send? if so add options and add to packet history */
-	if (rc == 0)
+	if (rc == 0) {
+		dp->dccps_hc_tx_insert_options = 1;
 		new_packet->dccphtx_ccval =
 			DCCP_SKB_CB(skb)->dccpd_ccval =
 				hctx->ccid3hctx_last_win_count;
+	}
 out:
 	return rc;
 }
@@ -811,6 +813,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk)
 		hcrx->ccid3hcrx_pinv = ~0;
 	else
 		hcrx->ccid3hcrx_pinv = 1000000 / hcrx->ccid3hcrx_p;
+	dp->dccps_hc_rx_insert_options = 1;
 	dccp_send_ack(sk);
 }
 
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 382c5894ac..7ad2f4266f 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -505,13 +505,18 @@ void dccp_insert_options(struct sock *sk, struct sk_buff *skb)
 		    (dp->dccps_hc_rx_ackpkts->dccpap_buf_ackno !=
 		     DCCP_MAX_SEQNO + 1))
 			dccp_insert_option_ack_vector(sk, skb);
-
 		if (dp->dccps_timestamp_echo != 0)
 			dccp_insert_option_timestamp_echo(sk, skb);
 	}
 
-	ccid_hc_rx_insert_options(dp->dccps_hc_rx_ccid, sk, skb);
-	ccid_hc_tx_insert_options(dp->dccps_hc_tx_ccid, sk, skb);
+	if (dp->dccps_hc_rx_insert_options) {
+		ccid_hc_rx_insert_options(dp->dccps_hc_rx_ccid, sk, skb);
+		dp->dccps_hc_rx_insert_options = 0;
+	}
+	if (dp->dccps_hc_tx_insert_options) {
+		ccid_hc_tx_insert_options(dp->dccps_hc_tx_ccid, sk, skb);
+		dp->dccps_hc_tx_insert_options = 0;
+	}
 
 	/* XXX: insert other options when appropriate */