TCP source address automation

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

diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index a17262f..097cc8c 100644 (file)
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -97,6 +97,7 @@ extern timer_expiration_handler tcp_timer_retransmit_syn_handler;
                                                 * ticks to timer units */
 #define TCP_DELACK_TIME         1      /* 0.1s */
 #define TCP_ESTABLISH_TIME      750    /* 75s */
+#define TCP_SYN_RCVD_TIME      100     /* 10s */
 #define TCP_2MSL_TIME           300    /* 30s */
 #define TCP_CLOSEWAIT_TIME     20      /* 0.1s */
 #define TCP_CLEANUP_TIME       5       /* 0.5s Time to wait before cleanup */
@@ -367,6 +368,7 @@ typedef struct _tcp_main
 
   u8 log2_tstamp_clocks_per_tick;
   f64 tstamp_ticks_per_clock;
+  u32 *time_now;
 
   /** per-worker tx buffer free lists */
   u32 **tx_buffers;
@@ -463,7 +465,13 @@ void tcp_connection_del (tcp_connection_t * tc);
 int tcp_half_open_connection_cleanup (tcp_connection_t * tc);
 tcp_connection_t *tcp_connection_new (u8 thread_index);
 void tcp_connection_reset (tcp_connection_t * tc);
-
+int tcp_configure_v4_source_address_range (vlib_main_t * vm,
+                                          ip4_address_t * start,
+                                          ip4_address_t * end, u32 table_id);
+int tcp_configure_v6_source_address_range (vlib_main_t * vm,
+                                          ip6_address_t * start,
+                                          ip6_address_t * end, u32 table_id);
+void tcp_api_reference (void);
 u8 *format_tcp_connection_id (u8 * s, va_list * args);
 u8 *format_tcp_connection (u8 * s, va_list * args);
 u8 *format_tcp_scoreboard (u8 * s, va_list * args);
@@ -619,12 +627,21 @@ void tcp_update_sack_list (tcp_connection_t * tc, u32 start, u32 end);
 always_inline u32
 tcp_time_now (void)
 {
-  return clib_cpu_time_now () * tcp_main.tstamp_ticks_per_clock;
+  return tcp_main.time_now[vlib_get_thread_index ()];
+}
+
+always_inline u32
+tcp_set_time_now (u32 thread_index)
+{
+  tcp_main.time_now[thread_index] = clib_cpu_time_now ()
+    * tcp_main.tstamp_ticks_per_clock;
+  return tcp_main.time_now[thread_index];
 }
 
 always_inline void
 tcp_update_time (f64 now, u32 thread_index)
 {
+  tcp_set_time_now (thread_index);
   tw_timer_expire_timers_16t_2w_512sl (&tcp_main.timer_wheels[thread_index],
                                       now);
   tcp_flush_frames_to_output (thread_index);