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Diffstat (limited to 'sys/netinet/tcp.h')
-rw-r--r--sys/netinet/tcp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/netinet/tcp.h b/sys/netinet/tcp.h
index bfc8073fc996..470381040705 100644
--- a/sys/netinet/tcp.h
+++ b/sys/netinet/tcp.h
@@ -165,6 +165,7 @@ struct tcphdr {
#define TCP_MD5SIG 16 /* use MD5 digests (RFC2385) */
#define TCP_INFO 32 /* retrieve tcp_info structure */
#define TCP_CONGESTION 64 /* get/set congestion control algorithm */
+#define TCP_CCALGOOPT 65 /* get/set cc algorithm specific options */
#define TCP_KEEPINIT 128 /* N, time to establish connection */
#define TCP_KEEPIDLE 256 /* L,N,X start keeplives after this period */
#define TCP_KEEPINTVL 512 /* L,N interval between keepalives */