tcp: add option to cfg max rx fifo size

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

diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index e4168c4..37b4573 100644 (file)
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -32,7 +32,7 @@
 #define TCP_MAX_OPTION_SPACE 40
 
 #define TCP_DUPACK_THRESHOLD   3
-#define TCP_MAX_RX_FIFO_SIZE   4 << 20
+#define TCP_MAX_RX_FIFO_SIZE   32 << 20
 #define TCP_MIN_RX_FIFO_SIZE   4 << 10
 #define TCP_IW_N_SEGMENTS      10
 #define TCP_ALWAYS_ACK         1       /**< On/off delayed acks */
@@ -408,9 +408,20 @@ typedef struct _tcp_main
   /* Congestion control algorithms registered */
   tcp_cc_algorithm_t *cc_algos;
 
+  /** vlib buffer size */
+  u32 bytes_per_buffer;
+
+  /*
+   * Configuration
+   */
+
   /* Flag that indicates if stack is on or off */
   u8 is_enabled;
 
+  /** Max rx fifo size for a session. It is used in to compute the
+   *  rfc 7323 window scaling factor */
+  u32 max_rx_fifo;
+
   /** Number of preallocated connections */
   u32 preallocated_connections;
   u32 preallocated_half_open_connections;
@@ -421,9 +432,6 @@ typedef struct _tcp_main
   u32 last_v6_address_rotor;
   ip6_address_t *ip6_src_addresses;
 
-  /** vlib buffer size */
-  u32 bytes_per_buffer;
-
   u8 punt_unknown4;
   u8 punt_unknown6;