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-rw-r--r--net/dccp/ccids/ccid2.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 0462040fc818..b51cc92376da 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -494,8 +494,16 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
if (hc->tx_rpdupack >= NUMDUPACK) {
hc->tx_rpdupack = -1; /* XXX lame */
hc->tx_rpseq = 0;
-
+#ifdef __CCID2_COPES_GRACEFULLY_WITH_ACK_CONGESTION_CONTROL__
+ /*
+ * FIXME: Ack Congestion Control is broken; in
+ * the current state instabilities occurred with
+ * Ack Ratios greater than 1; causing hang-ups
+ * and long RTO timeouts. This needs to be fixed
+ * before opening up dynamic changes. -- gerrit
+ */
ccid2_change_l_ack_ratio(sk, 2 * dp->dccps_l_ack_ratio);
+#endif
}
}
}