1 files changed, 3 insertions, 0 deletions

diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index 3b9718328d8b..faa72f4fa547 100644
--- a/include/uapi/linux/tcp.h
+++ b/include/uapi/linux/tcp.h
@@ -112,6 +112,7 @@ enum {
 #define TCP_FASTOPEN            23      /* Enable FastOpen on listeners */
 #define TCP_TIMESTAMP           24
 #define TCP_NOTSENT_LOWAT       25      /* limit number of unsent bytes in write queue */
+#define TCP_CC_INFO             26      /* Get Congestion Control (optional) info */
 
 struct tcp_repair_opt {
         __u32   opt_code;
@@ -189,6 +190,8 @@ struct tcp_info {
 
         __u64   tcpi_pacing_rate;
         __u64   tcpi_max_pacing_rate;
+        __u64   tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
+        __u64   tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
 };
 
 /* for TCP_MD5SIG socket option */