bonding lacp: replace slave string with member
[vpp.git] / src / vnet / bonding / node.c
index 6fc7471..d49894f 100644 (file)
@@ -28,6 +28,7 @@ bond_main_t bond_main;
 #define foreach_bond_input_error \
   _(NONE, "no error")            \
   _(IF_DOWN, "interface down")   \
+  _(PASSIVE_IF, "traffic received on passive interface")   \
   _(PASS_THRU, "pass through (CDP, LLDP, slow protocols)")
 
 typedef enum
@@ -135,38 +136,63 @@ bond_sw_if_idx_rewrite (vlib_main_t * vm, vlib_node_runtime_t * node,
 
 static inline void
 bond_update_next (vlib_main_t * vm, vlib_node_runtime_t * node,
-                 u32 * last_slave_sw_if_index, u32 slave_sw_if_index,
+                 u32 * last_member_sw_if_index, u32 member_sw_if_index,
                  u32 * bond_sw_if_index, vlib_buffer_t * b,
                  u32 * next_index, vlib_error_t * error)
 {
-  slave_if_t *sif;
+  member_if_t *mif;
   bond_if_t *bif;
 
-  if (PREDICT_TRUE (*last_slave_sw_if_index == slave_sw_if_index))
-    return;
-
-  *last_slave_sw_if_index = slave_sw_if_index;
   *next_index = BOND_INPUT_NEXT_DROP;
+  *error = 0;
+
+  if (PREDICT_TRUE (*last_member_sw_if_index == member_sw_if_index))
+    goto next;
 
-  sif = bond_get_slave_by_sw_if_index (slave_sw_if_index);
-  ASSERT (sif);
+  *last_member_sw_if_index = member_sw_if_index;
 
-  bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
+  mif = bond_get_member_by_sw_if_index (member_sw_if_index);
+  ALWAYS_ASSERT (mif);
 
-  ASSERT (bif);
-  ASSERT (vec_len (bif->slaves));
+  bif = bond_get_bond_if_by_dev_instance (mif->bif_dev_instance);
 
-  if (PREDICT_TRUE (bif->admin_up == 0))
+  ALWAYS_ASSERT (bif);
+  ASSERT (vec_len (bif->members));
+
+  if (PREDICT_FALSE (bif->admin_up == 0))
     {
-      *bond_sw_if_index = slave_sw_if_index;
+      *bond_sw_if_index = member_sw_if_index;
       *error = node->errors[BOND_INPUT_ERROR_IF_DOWN];
     }
 
+  if (PREDICT_FALSE ((bif->mode == BOND_MODE_ACTIVE_BACKUP) &&
+                    vec_len (bif->active_members) &&
+                    (member_sw_if_index != bif->active_members[0])))
+    {
+      *bond_sw_if_index = member_sw_if_index;
+      *error = node->errors[BOND_INPUT_ERROR_PASSIVE_IF];
+      return;
+    }
+
   *bond_sw_if_index = bif->sw_if_index;
-  *error = 0;
+
+next:
   vnet_feature_next (next_index, b);
 }
 
+static_always_inline void
+bond_update_next_x4 (vlib_buffer_t * b0, vlib_buffer_t * b1,
+                    vlib_buffer_t * b2, vlib_buffer_t * b3)
+{
+  u32 tmp0, tmp1, tmp2, tmp3;
+
+  tmp0 = tmp1 = tmp2 = tmp3 = BOND_INPUT_NEXT_DROP;
+  vnet_feature_next (&tmp0, b0);
+  vnet_feature_next (&tmp1, b1);
+  vnet_feature_next (&tmp2, b2);
+  vnet_feature_next (&tmp3, b3);
+}
+
 VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
                                vlib_node_runtime_t * node,
                                vlib_frame_t * frame)
@@ -176,7 +202,7 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
   vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
   u32 sw_if_indices[VLIB_FRAME_SIZE], *sw_if_index;
   u16 nexts[VLIB_FRAME_SIZE], *next;
-  u32 last_slave_sw_if_index = ~0;
+  u32 last_member_sw_if_index = ~0;
   u32 bond_sw_if_index = 0;
   vlib_error_t error = 0;
   u32 next_index = 0;
@@ -216,13 +242,29 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
       sw_if_index[2] = vnet_buffer (b[2])->sw_if_index[VLIB_RX];
       sw_if_index[3] = vnet_buffer (b[3])->sw_if_index[VLIB_RX];
 
-      x |= sw_if_index[0] ^ last_slave_sw_if_index;
-      x |= sw_if_index[1] ^ last_slave_sw_if_index;
-      x |= sw_if_index[2] ^ last_slave_sw_if_index;
-      x |= sw_if_index[3] ^ last_slave_sw_if_index;
+      x |= sw_if_index[0] ^ last_member_sw_if_index;
+      x |= sw_if_index[1] ^ last_member_sw_if_index;
+      x |= sw_if_index[2] ^ last_member_sw_if_index;
+      x |= sw_if_index[3] ^ last_member_sw_if_index;
 
       if (PREDICT_TRUE (x == 0))
        {
+         /*
+          * Optimize to call update_next only if there is a feature arc
+          * after bond-input. Test feature count greater than 1 because
+          * bond-input itself is a feature arc for this member interface.
+          */
+         ASSERT ((vnet_buffer (b[0])->feature_arc_index ==
+                  vnet_buffer (b[1])->feature_arc_index) &&
+                 (vnet_buffer (b[0])->feature_arc_index ==
+                  vnet_buffer (b[2])->feature_arc_index) &&
+                 (vnet_buffer (b[0])->feature_arc_index ==
+                  vnet_buffer (b[3])->feature_arc_index));
+         if (PREDICT_FALSE (vnet_get_feature_count
+                            (vnet_buffer (b[0])->feature_arc_index,
+                             last_member_sw_if_index) > 1))
+           bond_update_next_x4 (b[0], b[1], b[2], b[3]);
+
          next[0] = next[1] = next[2] = next[3] = next_index;
          if (next_index == BOND_INPUT_NEXT_DROP)
            {
@@ -245,8 +287,9 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
        }
       else
        {
-         bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[0],
-                           &bond_sw_if_index, b[0], &next_index, &error);
+         bond_update_next (vm, node, &last_member_sw_if_index,
+                           sw_if_index[0], &bond_sw_if_index, b[0],
+                           &next_index, &error);
          next[0] = next_index;
          if (next_index == BOND_INPUT_NEXT_DROP)
            b[0]->error = error;
@@ -254,8 +297,9 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
            bond_sw_if_idx_rewrite (vm, node, b[0], bond_sw_if_index,
                                    &n_rx_packets, &n_rx_bytes);
 
-         bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[1],
-                           &bond_sw_if_index, b[1], &next_index, &error);
+         bond_update_next (vm, node, &last_member_sw_if_index,
+                           sw_if_index[1], &bond_sw_if_index, b[1],
+                           &next_index, &error);
          next[1] = next_index;
          if (next_index == BOND_INPUT_NEXT_DROP)
            b[1]->error = error;
@@ -263,8 +307,9 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
            bond_sw_if_idx_rewrite (vm, node, b[1], bond_sw_if_index,
                                    &n_rx_packets, &n_rx_bytes);
 
-         bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[2],
-                           &bond_sw_if_index, b[2], &next_index, &error);
+         bond_update_next (vm, node, &last_member_sw_if_index,
+                           sw_if_index[2], &bond_sw_if_index, b[2],
+                           &next_index, &error);
          next[2] = next_index;
          if (next_index == BOND_INPUT_NEXT_DROP)
            b[2]->error = error;
@@ -272,8 +317,9 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
            bond_sw_if_idx_rewrite (vm, node, b[2], bond_sw_if_index,
                                    &n_rx_packets, &n_rx_bytes);
 
-         bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[3],
-                           &bond_sw_if_index, b[3], &next_index, &error);
+         bond_update_next (vm, node, &last_member_sw_if_index,
+                           sw_if_index[3], &bond_sw_if_index, b[3],
+                           &next_index, &error);
          next[3] = next_index;
          if (next_index == BOND_INPUT_NEXT_DROP)
            b[3]->error = error;
@@ -297,7 +343,7 @@ VLIB_NODE_FN (bond_input_node) (vlib_main_t * vm,
   while (n_left)
     {
       sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
-      bond_update_next (vm, node, &last_slave_sw_if_index, sw_if_index[0],
+      bond_update_next (vm, node, &last_member_sw_if_index, sw_if_index[0],
                        &bond_sw_if_index, b[0], &next_index, &error);
       next[0] = next_index;
       if (next_index == BOND_INPUT_NEXT_DROP)
@@ -388,29 +434,22 @@ static clib_error_t *
 bond_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
 {
   bond_main_t *bm = &bond_main;
-  slave_if_t *sif;
+  member_if_t *mif;
   vlib_main_t *vm = bm->vlib_main;
 
-  sif = bond_get_slave_by_sw_if_index (sw_if_index);
-  if (sif)
+  mif = bond_get_member_by_sw_if_index (sw_if_index);
+  if (mif)
     {
-      sif->port_enabled = flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP;
-      if (sif->lacp_enabled)
+      if (mif->lacp_enabled)
        return 0;
 
-      if (sif->port_enabled == 0)
-       {
-         bond_disable_collecting_distributing (vm, sif);
-       }
+      /* port_enabled is both admin up and hw link up */
+      mif->port_enabled = ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
+                          vnet_sw_interface_is_link_up (vnm, sw_if_index));
+      if (mif->port_enabled == 0)
+       bond_disable_collecting_distributing (vm, mif);
       else
-       {
-         vnet_main_t *vnm = vnet_get_main ();
-         vnet_hw_interface_t *hw =
-           vnet_get_sup_hw_interface (vnm, sw_if_index);
-
-         if (hw->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)
-           bond_enable_collecting_distributing (vm, sif);
-       }
+       bond_enable_collecting_distributing (vm, mif);
     }
 
   return 0;
@@ -422,25 +461,25 @@ static clib_error_t *
 bond_hw_interface_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
 {
   bond_main_t *bm = &bond_main;
-  slave_if_t *sif;
+  member_if_t *mif;
   vnet_sw_interface_t *sw;
   vlib_main_t *vm = bm->vlib_main;
 
   sw = vnet_get_hw_sw_interface (vnm, hw_if_index);
-  sif = bond_get_slave_by_sw_if_index (sw->sw_if_index);
-  if (sif)
+  mif = bond_get_member_by_sw_if_index (sw->sw_if_index);
+  if (mif)
     {
-      if (sif->lacp_enabled)
+      if (mif->lacp_enabled)
        return 0;
 
-      if (!(flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
-       {
-         bond_disable_collecting_distributing (vm, sif);
-       }
-      else if (sif->port_enabled)
-       {
-         bond_enable_collecting_distributing (vm, sif);
-       }
+      /* port_enabled is both admin up and hw link up */
+      mif->port_enabled = ((flags & VNET_HW_INTERFACE_FLAG_LINK_UP) &&
+                          vnet_sw_interface_is_admin_up (vnm,
+                                                         sw->sw_if_index));
+      if (mif->port_enabled == 0)
+       bond_disable_collecting_distributing (vm, mif);
+      else
+       bond_enable_collecting_distributing (vm, mif);
     }
 
   return 0;