Andreas Petlund wrote:diff --git a/include/linux/tcp.h b/include/linux/tcp.hI've not had the chance to examine the rest, but I've been poking at a
index e64368d..f4a05ff 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -97,6 +97,7 @@ enum {
#define TCP_CONGESTION 13 /* Congestion control algorithm */
#define TCP_MD5SIG 14 /* TCP MD5 Signature (RFC2385) */
#define TCP_THIN_RM_EXPB 15 /* Remove exp. backoff for thin streams*/
+#define TCP_THIN_DUPACK 16 /* Fast retrans. after 1 dupack */
patch series that's used 15 for over a year, so could you try 16 and 17?