always_inline tcp_connection_t *
tcp_half_open_connection_get (u32 conn_index)
{
- tcp_connection_t *tc = 0;
- clib_spinlock_lock_if_init (&tcp_main.half_open_lock);
- if (!pool_is_free_index (tcp_main.half_open_connections, conn_index))
- tc = pool_elt_at_index (tcp_main.half_open_connections, conn_index);
- clib_spinlock_unlock_if_init (&tcp_main.half_open_lock);
- return tc;
+ return tcp_connection_get (conn_index, 0);
}
/**
return 0;
}
+/**
+ * Time used to generate timestamps, not the timestamp
+ */
always_inline u32
-tcp_time_now (void)
-{
- return tcp_main.wrk_ctx[vlib_get_thread_index ()].time_now;
-}
-
-always_inline u32
-tcp_time_now_w_thread (u32 thread_index)
+tcp_time_tstamp (u32 thread_index)
{
- return tcp_main.wrk_ctx[thread_index].time_now;
+ return tcp_main.wrk_ctx[thread_index].time_tstamp;
}
/**
always_inline u32
tcp_tstamp (tcp_connection_t * tc)
{
- return (tcp_main.wrk_ctx[tc->c_thread_index].time_now -
+ return (tcp_main.wrk_ctx[tc->c_thread_index].time_tstamp -
tc->timestamp_delta);
}
always_inline f64
tcp_time_now_us (u32 thread_index)
{
- return transport_time_now (thread_index);
+ return tcp_main.wrk_ctx[thread_index].time_us;
}
-always_inline u32
-tcp_set_time_now (tcp_worker_ctx_t * wrk)
+always_inline void
+tcp_set_time_now (tcp_worker_ctx_t *wrk, f64 now)
+{
+ /* TCP internal cache of time reference. Could use @ref transport_time_now
+ * but because @ref tcp_time_now_us is used per packet, caching might
+ * slightly improve efficiency. */
+ wrk->time_us = now;
+ wrk->time_tstamp = (u64) (now * TCP_TSTP_HZ);
+}
+
+always_inline void
+tcp_update_time_now (tcp_worker_ctx_t *wrk)
{
- return wrk->time_now = (u64) (vlib_time_now (wrk->vm) * TCP_TSTP_HZ);
+ f64 now = vlib_time_now (wrk->vm);
+
+ /* Both pacer and tcp us time need to be updated */
+ transport_update_pacer_time (wrk->vm->thread_index, now);
+ tcp_set_time_now (wrk, now);
}
always_inline tcp_connection_t *
tcp_header_t *tcp;
u8 result = 0;
+ /* Set the sw_if_index[VLIB_RX] to the interface we received
+ * the connection on (the local interface) */
+ vnet_buffer (b)->sw_if_index[VLIB_RX] = vnet_buffer (b)->ip.rx_sw_if_index;
+
if (is_ip4)
{
ip4_header_t *ip4 = vlib_buffer_get_current (b);
vnet_buffer (b)->tcp.data_len = n_data_bytes;
vnet_buffer (b)->tcp.seq_end = vnet_buffer (b)->tcp.seq_number
+ n_data_bytes;
- vnet_buffer (b)->tcp.flags = 0;
*error = result ? TCP_ERROR_NONE + result : *error;
if (tcp_opts_tstamp (&tc->rcv_opts))
{
tc->tsval_recent = tc->rcv_opts.tsval;
- tc->tsval_recent_age = tcp_time_now ();
+ tc->tsval_recent_age = tcp_time_tstamp (tc->c_thread_index);
}
if (tcp_opts_wscale (&tc->rcv_opts))