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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2007-06-16 13:48:50 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-10 22:15:34 -0700
commit49d66a70cf9fd94057aacd6055334299ab3a5eac (patch)
tree2feed7f094e3b2a45b7d3a211c2a3b33c61cbfb1 /net/dccp
parent8132da4d412ad51c34bad11133a8f0941e2a1972 (diff)
downloadblackbird-op-linux-49d66a70cf9fd94057aacd6055334299ab3a5eac.tar.gz
blackbird-op-linux-49d66a70cf9fd94057aacd6055334299ab3a5eac.zip
[CCID3]: Fix a bug in the send time processing
ccid3_hc_tx_send_packet currently returns 0 when the time difference between current time and t_nom is less than 1000 microseconds. In this case the packet is sent immediately; but, unlike other packets that can be emitted on first attempt, it will not have its window counter updated and its options set as required. This is a bug. Fix: Require the time difference to be at least 1000 microseconds. The algorithm then converges: time differences > 1000 microseconds trigger the timer in dccp_write_xmit; after timer expiry this function is tried again; when the time difference is less than 1000, the packet will have its options added and window counter updated as required. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ccids/ccid3.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 94b3a1a29537..e91c2b9dc27b 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -363,7 +363,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
* else
* // send the packet in (t_nom - t_now) milliseconds.
*/
- if (delay - (s64)hctx->ccid3hctx_delta >= 0)
+ if (delay - (s64)hctx->ccid3hctx_delta >= 1000)
return (u32)delay / 1000L;
ccid3_hc_tx_update_win_count(hctx, now);
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