API / CLI event-log tracing

Add an "elog trace [api][cli][barrier]" debug CLI command. Removed the
barrier elog test command. Remove unused reliable multicast code.

Change-Id: Ib3ecde901b7c49fe92b313d0087cd7e776adcdce
Signed-off-by: Dave Barach <dave@barachs.net>

2 files changed, 1 insertions, 153 deletions

diff --git a/src/vnet/srp/interface.c b/src/vnet/srp/interface.c
index 735f960cbd3..bac2e75b1e9 100644
--- a/src/vnet/srp/interface.c
+++ b/src/vnet/srp/interface.c
@@ -111,63 +111,14 @@ void unserialize_srp_main (serialize_main_t * m, va_list * va)
     }
 }
 
-static void serialize_srp_register_interface_msg (serialize_main_t * m, va_list * va)
-{
-  u32 * hw_if_indices = va_arg (*va, u32 *);
-  serialize_integer (m, hw_if_indices[SRP_SIDE_A], sizeof (hw_if_indices[SRP_SIDE_A]));
-  serialize_integer (m, hw_if_indices[SRP_SIDE_B], sizeof (hw_if_indices[SRP_SIDE_B]));
-}
-
-static void unserialize_srp_register_interface_msg (serialize_main_t * m, va_list * va)
-{
-  CLIB_UNUSED (mc_main_t * mcm) = va_arg (*va, mc_main_t *);
-  u32 hw_if_indices[SRP_N_SIDE];
-  srp_main_t * sm = &srp_main;
-  uword * p;
-
-  unserialize_integer (m, &hw_if_indices[SRP_SIDE_A], sizeof (hw_if_indices[SRP_SIDE_A]));
-  unserialize_integer (m, &hw_if_indices[SRP_SIDE_B], sizeof (hw_if_indices[SRP_SIDE_B]));
-
-  p = hash_get (sm->srp_register_interface_waiting_process_pool_index_by_hw_if_index,
-		hw_if_indices[0]);
-  if (p)
-    {
-      vlib_one_time_waiting_process_t * wp = pool_elt_at_index (sm->srp_register_interface_waiting_process_pool, p[0]);
-      vlib_signal_one_time_waiting_process (mcm->vlib_main, wp);
-      pool_put (sm->srp_register_interface_waiting_process_pool, wp);
-      hash_unset (sm->srp_register_interface_waiting_process_pool_index_by_hw_if_index,
-		  hw_if_indices[0]);
-    }
-  else
-    srp_register_interface_helper (hw_if_indices, /* redistribute */ 0);
-}
-
-MC_SERIALIZE_MSG (srp_register_interface_msg, static) = {
-  .name = "vnet_srp_register_interface",
-  .serialize = serialize_srp_register_interface_msg,
-  .unserialize = unserialize_srp_register_interface_msg,
-};
-
 static void srp_register_interface_helper (u32 * hw_if_indices_by_side, u32 redistribute)
 {
   vnet_main_t * vnm = vnet_get_main();
   srp_main_t * sm = &srp_main;
-  vlib_main_t * vm = sm->vlib_main;
   srp_interface_t * si;
   vnet_hw_interface_t * hws[SRP_N_RING];
   uword s, * p;
 
-  if (vm->mc_main && redistribute)
-    {
-      vlib_one_time_waiting_process_t * wp;
-      mc_serialize (vm->mc_main, &srp_register_interface_msg, hw_if_indices_by_side);
-      pool_get (sm->srp_register_interface_waiting_process_pool, wp);
-      hash_set (sm->srp_register_interface_waiting_process_pool_index_by_hw_if_index,
-		hw_if_indices_by_side[0],
-		wp - sm->srp_register_interface_waiting_process_pool);
-      vlib_current_process_wait_for_one_time_event (vm, wp);
-    }
-
   /* Check if interface has already been registered. */
   p = hash_get (sm->interface_index_by_hw_if_index, hw_if_indices_by_side[0]);
   if (p)
@@ -298,36 +249,6 @@ VNET_HW_INTERFACE_CLASS (srp_hw_interface_class) = {
   .hw_class_change = srp_interface_hw_class_change,
 };
 
-static void serialize_srp_interface_config_msg (serialize_main_t * m, va_list * va)
-{
-  srp_interface_t * si = va_arg (*va, srp_interface_t *);
-  srp_main_t * sm = &srp_main;
-
-  ASSERT (! pool_is_free (sm->interface_pool, si));
-  serialize_integer (m, si - sm->interface_pool, sizeof (u32));
-  serialize (m, serialize_f64, si->config.wait_to_restore_idle_delay);
-  serialize (m, serialize_f64, si->config.ips_tx_interval);
-}
-
-static void unserialize_srp_interface_config_msg (serialize_main_t * m, va_list * va)
-{
-  CLIB_UNUSED (mc_main_t * mcm) = va_arg (*va, mc_main_t *);
-  srp_main_t * sm = &srp_main;
-  srp_interface_t * si;
-  u32 si_index;
-
-  unserialize_integer (m, &si_index, sizeof (u32));
-  si = pool_elt_at_index (sm->interface_pool, si_index);
-  unserialize (m, unserialize_f64, &si->config.wait_to_restore_idle_delay);
-  unserialize (m, unserialize_f64, &si->config.ips_tx_interval);
-}
-
-MC_SERIALIZE_MSG (srp_interface_config_msg, static) = {
-  .name = "vnet_srp_interface_config",
-  .serialize = serialize_srp_interface_config_msg,
-  .unserialize = unserialize_srp_interface_config_msg,
-};
-
 void srp_interface_get_interface_config (u32 hw_if_index, srp_interface_config_t * c)
 {
   srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index);
@@ -337,22 +258,17 @@ void srp_interface_get_interface_config (u32 hw_if_index, srp_interface_config_t
 
 void srp_interface_set_interface_config (u32 hw_if_index, srp_interface_config_t * c)
 {
-  srp_main_t * sm = &srp_main;
-  vlib_main_t * vm = sm->vlib_main;
   srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index);
   ASSERT (si != 0);
   if (memcmp (&si->config, &c[0], sizeof (c[0])))
     {
       si->config = c[0];
-      if (vm->mc_main)
-	mc_serialize (vm->mc_main, &srp_interface_config_msg, si);
     }
 }
 
 #if DEBUG > 0
 
 #define VNET_SIMULATED_SRP_TX_NEXT_SRP_INPUT VNET_INTERFACE_TX_N_NEXT
-
 /* Echo packets back to srp input. */
 static uword
 simulated_srp_interface_tx (vlib_main_t * vm,
diff --git a/src/vnet/srp/node.c b/src/vnet/srp/node.c
index acb770e52c8..25cf0c07554 100644
--- a/src/vnet/srp/node.c
+++ b/src/vnet/srp/node.c
@@ -640,63 +640,6 @@ static void tx_ips_packet (srp_interface_t * si,
   vlib_put_frame_to_node (vm, hi->output_node_index, f);
 }
 
-static void serialize_srp_interface_state_msg (serialize_main_t * m, va_list * va)
-{
-  srp_interface_t * si = va_arg (*va, srp_interface_t *);
-  srp_main_t * sm = &srp_main;
-  int r;
-
-  ASSERT (! pool_is_free (sm->interface_pool, si));
-  serialize_integer (m, si - sm->interface_pool, sizeof (u32));
-  serialize_likely_small_unsigned_integer (m, si->current_ips_state);
-  for (r = 0; r < SRP_N_RING; r++)
-    {
-      srp_interface_ring_t * ir = &si->rings[r];
-      void * p;
-      serialize_likely_small_unsigned_integer (m, ir->rx_neighbor_address_valid);
-      if (ir->rx_neighbor_address_valid)
-	{
-	  p = serialize_get (m, sizeof (ir->rx_neighbor_address));
-	  clib_memcpy (p, ir->rx_neighbor_address, sizeof (ir->rx_neighbor_address));
-	}
-      serialize_likely_small_unsigned_integer (m, ir->waiting_to_restore);
-      if (ir->waiting_to_restore)
-	serialize (m, serialize_f64, ir->wait_to_restore_start_time);
-    }
-}
-
-static void unserialize_srp_interface_state_msg (serialize_main_t * m, va_list * va)
-{
-  CLIB_UNUSED (mc_main_t * mcm) = va_arg (*va, mc_main_t *);
-  srp_main_t * sm = &srp_main;
-  srp_interface_t * si;
-  u32 si_index, r;
-
-  unserialize_integer (m, &si_index, sizeof (u32));
-  si = pool_elt_at_index (sm->interface_pool, si_index);
-  si->current_ips_state = unserialize_likely_small_unsigned_integer (m);
-  for (r = 0; r < SRP_N_RING; r++)
-    {
-      srp_interface_ring_t * ir = &si->rings[r];
-      void * p;
-      ir->rx_neighbor_address_valid = unserialize_likely_small_unsigned_integer (m);
-      if (ir->rx_neighbor_address_valid)
-	{
-	  p = unserialize_get (m, sizeof (ir->rx_neighbor_address));
-	  clib_memcpy (ir->rx_neighbor_address, p, sizeof (ir->rx_neighbor_address));
-	}
-      ir->waiting_to_restore = unserialize_likely_small_unsigned_integer (m);
-      if (ir->waiting_to_restore)
-	unserialize (m, unserialize_f64, &ir->wait_to_restore_start_time);
-    }
-}
-
-MC_SERIALIZE_MSG (srp_interface_state_msg, static) = {
-  .name = "vnet_srp_interface_state",
-  .serialize = serialize_srp_interface_state_msg,
-  .unserialize = unserialize_srp_interface_state_msg,
-};
-
 static int requests_switch (srp_ips_request_type_t r)
 {
   static u8 t[16] = {
@@ -716,7 +659,6 @@ void srp_ips_rx_packet (u32 sw_if_index, srp_ips_header_t * h)
   srp_ring_type_t rx_ring;
   srp_interface_t * si = srp_get_interface (sw_if_index, &rx_ring);
   srp_interface_ring_t * ir = &si->rings[rx_ring];
-  int si_needs_broadcast = 0;
 
   /* FIXME trace. */
   if (0)
@@ -751,7 +693,6 @@ void srp_ips_rx_packet (u32 sw_if_index, srp_ips_header_t * h)
 	{
 	  srp_ips_header_t to_tx[2];
 
-	  si_needs_broadcast = 1;
 	  si->current_ips_state = SRP_IPS_STATE_wrapped;
 	  si->hw_wrap_function (si->rings[SRP_SIDE_A].hw_if_index, /* enable_wrap */ 1);
 	  si->hw_wrap_function (si->rings[SRP_SIDE_B].hw_if_index, /* enable_wrap */ 1);
@@ -775,7 +716,6 @@ void srp_ips_rx_packet (u32 sw_if_index, srp_ips_header_t * h)
 	  && h->request_type == SRP_IPS_REQUEST_idle
 	  && h->status == SRP_IPS_STATUS_idle)
 	{
-	  si_needs_broadcast = 1;
 	  si->current_ips_state = SRP_IPS_STATE_idle;
 	  si->hw_wrap_function (si->rings[SRP_SIDE_A].hw_if_index, /* enable_wrap */ 0);
 	  si->hw_wrap_function (si->rings[SRP_SIDE_B].hw_if_index, /* enable_wrap */ 0);
@@ -790,10 +730,8 @@ void srp_ips_rx_packet (u32 sw_if_index, srp_ips_header_t * h)
       abort ();
       break;
     }
-
  done:
-  if (vm->mc_main && si_needs_broadcast)
-    mc_serialize (vm->mc_main, &srp_interface_state_msg, si);
+  ;
 }
 
 /* Preform local IPS request on given interface. */
@@ -801,11 +739,9 @@ void srp_ips_local_request (u32 sw_if_index, srp_ips_request_type_t request)
 {
   vnet_main_t * vnm = vnet_get_main();
   srp_main_t * sm = &srp_main;
-  vlib_main_t * vm = sm->vlib_main;
   srp_ring_type_t rx_ring;
   srp_interface_t * si = srp_get_interface (sw_if_index, &rx_ring);
   srp_interface_ring_t * ir = &si->rings[rx_ring];
-  int si_needs_broadcast = 0;
 
   if (request == SRP_IPS_REQUEST_wait_to_restore)
     {
@@ -815,13 +751,11 @@ void srp_ips_local_request (u32 sw_if_index, srp_ips_request_type_t request)
 	{
 	  ir->wait_to_restore_start_time = vlib_time_now (sm->vlib_main);
 	  ir->waiting_to_restore = 1;
-	  si_needs_broadcast = 1;
 	}
     }
   else
     {
       /* FIXME handle local signal fail. */
-      si_needs_broadcast = ir->waiting_to_restore;
       ir->wait_to_restore_start_time = 0;
       ir->waiting_to_restore = 0;
     }
@@ -832,8 +766,6 @@ void srp_ips_local_request (u32 sw_if_index, srp_ips_request_type_t request)
 		  format_vnet_sw_if_index_name, vnm, sw_if_index,
 		  format_srp_ips_request_type, request);
 
-  if (vm->mc_main && si_needs_broadcast)
-    mc_serialize (vm->mc_main, &srp_interface_state_msg, si);
 }
 
 static void maybe_send_ips_message (srp_interface_t * si)