tcp: add TCP_CC_INFO socket option

[karo-tx-linux.git] / include / uapi / linux / tcp.h

diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index 3b9718328d8bf7732a73a13a4811b98ff667f000..faa72f4fa547bcfe643b9cfd32b83b62caf6b973 100644 (file)
--- 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 */