tcp: cubic fast convergence

[vpp.git] / src / vnet / tcp / tcp.h

diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index d4bebeb..5b235b6 100644 (file)
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -30,7 +30,7 @@
 #define TCP_PAWS_IDLE 24 * 24 * 60 * 60 * THZ /**< 24 days */
 #define TCP_FIB_RECHECK_PERIOD 1 * THZ /**< Recheck every 1s */
 #define TCP_MAX_OPTION_SPACE 40
-#define TCP_CC_DATA_SZ 20
+#define TCP_CC_DATA_SZ 24
 
 #define TCP_DUPACK_THRESHOLD   3
 #define TCP_MAX_RX_FIFO_SIZE   32 << 20
@@ -336,14 +336,18 @@ typedef struct _tcp_connection
   u32 tx_fifo_size;    /**< Tx fifo size. Used to constrain cwnd */
 } tcp_connection_t;
 
+/* *INDENT-OFF* */
 struct _tcp_cc_algorithm
 {
+  const char *name;
+  uword (*unformat_cfg) (unformat_input_t * input);
   void (*rcv_ack) (tcp_connection_t * tc);
   void (*rcv_cong_ack) (tcp_connection_t * tc, tcp_cc_ack_t ack);
   void (*congestion) (tcp_connection_t * tc);
   void (*recovered) (tcp_connection_t * tc);
   void (*init) (tcp_connection_t * tc);
 };
+/* *INDENT-ON* */
 
 #define tcp_fastrecovery_on(tc) (tc)->flags |= TCP_CONN_FAST_RECOVERY
 #define tcp_fastrecovery_off(tc) (tc)->flags &= ~TCP_CONN_FAST_RECOVERY
@@ -485,7 +489,9 @@ typedef struct _tcp_main
   /** fault-injection */
   f64 buffer_fail_fraction;
 
-  u8 cc_algo;
+  /** Default congestion control algorithm type */
+  tcp_cc_algorithm_type_e cc_algo;
+
 } tcp_main_t;
 
 extern tcp_main_t tcp_main;