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authorArnaldo Carvalho de Melo <acme@mandriva.com>2005-09-09 02:30:07 -0300
committerArnaldo Carvalho de Melo <acme@mandriva.com>2005-09-09 02:30:07 -0300
commit507d37cf269ebbd1b32bcc435fe577e411f73151 (patch)
tree68b797a2f2c8645a86ac1a5f521df6b8873d9338
parent0ba7a3ba6608de6e0c0bfe3009a63d7e0b7ab0ce (diff)
downloadop-kernel-dev-507d37cf269ebbd1b32bcc435fe577e411f73151.zip
op-kernel-dev-507d37cf269ebbd1b32bcc435fe577e411f73151.tar.gz
[CCID] Only call the HC insert_options methods when requested
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
-rw-r--r--include/linux/dccp.h2
-rw-r--r--net/dccp/ccids/ccid3.c5
-rw-r--r--net/dccp/options.c11
3 files changed, 14 insertions, 4 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 007c290..5e0af0d 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 ae0500c..37fd9eb 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 382c589..7ad2f42 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 */
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