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-rwxr-xr-xsrc/plugins/gtpu/gtpu.c19
-rw-r--r--src/vnet/geneve/geneve.c19
-rw-r--r--src/vnet/interface.c50
-rw-r--r--src/vnet/interface.h4
-rw-r--r--src/vnet/interface_funcs.h8
-rw-r--r--src/vnet/interface_output.c29
-rw-r--r--src/vnet/vxlan-gpe/vxlan_gpe.c18
-rw-r--r--src/vnet/vxlan/vxlan.c29
8 files changed, 86 insertions, 90 deletions
diff --git a/src/plugins/gtpu/gtpu.c b/src/plugins/gtpu/gtpu.c
index 96399f38579..eba0fa073b1 100755
--- a/src/plugins/gtpu/gtpu.c
+++ b/src/plugins/gtpu/gtpu.c
@@ -97,14 +97,6 @@ format_gtpu_name (u8 * s, va_list * args)
return format (s, "gtpu_tunnel%d", dev_instance);
}
-static uword
-dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
-}
-
static clib_error_t *
gtpu_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
@@ -120,7 +112,6 @@ VNET_DEVICE_CLASS (gtpu_device_class,static) = {
.name = "GTPU",
.format_device_name = format_gtpu_name,
.format_tx_trace = format_gtpu_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = gtpu_interface_admin_up_down,
};
/* *INDENT-ON* */
@@ -462,6 +453,11 @@ int vnet_gtpu_add_del_tunnel
hi = vnet_get_hw_interface (vnm, hw_if_index);
}
+ /* Set gtpu tunnel output node */
+ u32 encap_index = !is_ip6 ?
+ gtpu4_encap_node.index : gtpu6_encap_node.index;
+ vnet_set_interface_output_node (vnm, hw_if_index, encap_index);
+
t->hw_if_index = hw_if_index;
t->sw_if_index = sw_if_index = hi->sw_if_index;
@@ -481,8 +477,6 @@ int vnet_gtpu_add_del_tunnel
fib_node_init (&t->node, gtm->fib_node_type);
fib_prefix_t tun_dst_pfx;
- u32 encap_index = !is_ip6 ?
- gtpu4_encap_node.index : gtpu6_encap_node.index;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
fib_prefix_from_ip46_addr (&t->dst, &tun_dst_pfx);
@@ -573,9 +567,6 @@ int vnet_gtpu_add_del_tunnel
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set gtpu tunnel output node */
- hi->output_node_index = encap_index;
-
vnet_get_sw_interface (vnet_get_main (), sw_if_index)->flood_class =
flood_class;
}
diff --git a/src/vnet/geneve/geneve.c b/src/vnet/geneve/geneve.c
index 6bc4b67d10d..1fe73e44cdd 100644
--- a/src/vnet/geneve/geneve.c
+++ b/src/vnet/geneve/geneve.c
@@ -82,14 +82,6 @@ format_geneve_name (u8 * s, va_list * args)
return format (s, "geneve_tunnel%d", dev_instance);
}
-static uword
-dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
-}
-
static clib_error_t *
geneve_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
@@ -105,7 +97,6 @@ VNET_DEVICE_CLASS (geneve_device_class, static) = {
.name = "GENEVE",
.format_device_name = format_geneve_name,
.format_tx_trace = format_geneve_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = geneve_interface_admin_up_down,
};
/* *INDENT-ON* */
@@ -465,6 +456,11 @@ int vnet_geneve_add_del_tunnel
hi = vnet_get_hw_interface (vnm, hw_if_index);
}
+ /* Set geneve tunnel output node */
+ u32 encap_index = !is_ip6 ?
+ geneve4_encap_node.index : geneve6_encap_node.index;
+ vnet_set_interface_output_node (vnm, hw_if_index, encap_index);
+
t->hw_if_index = hw_if_index;
t->sw_if_index = sw_if_index = hi->sw_if_index;
@@ -484,8 +480,6 @@ int vnet_geneve_add_del_tunnel
fib_node_init (&t->node, FIB_NODE_TYPE_GENEVE_TUNNEL);
fib_prefix_t tun_remote_pfx;
- u32 encap_index = !is_ip6 ?
- geneve4_encap_node.index : geneve6_encap_node.index;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
fib_prefix_from_ip46_addr (&t->remote, &tun_remote_pfx);
@@ -576,9 +570,6 @@ int vnet_geneve_add_del_tunnel
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set geneve tunnel output node */
- hi->output_node_index = encap_index;
-
vnet_get_sw_interface (vnet_get_main (), sw_if_index)->flood_class =
flood_class;
}
diff --git a/src/vnet/interface.c b/src/vnet/interface.c
index 3ae2a8d8bf2..a34bb7931ae 100644
--- a/src/vnet/interface.c
+++ b/src/vnet/interface.c
@@ -746,6 +746,9 @@ vnet_register_interface (vnet_main_t * vnm,
hw->max_l3_packet_bytes[VLIB_RX] = ~0;
hw->max_l3_packet_bytes[VLIB_TX] = ~0;
+ if (dev_class->tx_function == 0)
+ goto no_output_nodes; /* No output/tx nodes to create */
+
tx_node_name = (char *) format (0, "%v-tx", hw->name);
output_node_name = (char *) format (0, "%v-output", hw->name);
@@ -882,6 +885,7 @@ vnet_register_interface (vnet_main_t * vnm,
setup_output_node (vm, hw->output_node_index, hw_class);
setup_tx_node (vm, hw->tx_node_index, dev_class);
+no_output_nodes:
/* Call all up/down callbacks with zero flags when interface is created. */
vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
@@ -897,7 +901,8 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
vlib_main_t *vm = vnm->vlib_main;
-
+ vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
+ hw->dev_class_index);
/* If it is up, mark it down. */
if (hw->flags != 0)
vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
@@ -924,28 +929,31 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
/* Delete software interface corresponding to hardware interface. */
vnet_delete_sw_interface (vnm, hw->sw_if_index);
- {
- vnet_hw_interface_nodes_t *dn;
+ if (dev_class->tx_function)
+ {
+ /* Put output/tx nodes into recycle pool */
+ vnet_hw_interface_nodes_t *dn;
- /* *INDENT-OFF* */
- foreach_vlib_main ({
- vnet_interface_output_runtime_t *rt =
- vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
-
- /* Mark node runtime as deleted so output node (if called)
- * will drop packets. */
- rt->is_deleted = 1;
- });
- /* *INDENT-ON* */
+ /* *INDENT-OFF* */
+ foreach_vlib_main
+ ({
+ vnet_interface_output_runtime_t *rt =
+ vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
+
+ /* Mark node runtime as deleted so output node (if called)
+ * will drop packets. */
+ rt->is_deleted = 1;
+ });
+ /* *INDENT-ON* */
- vlib_node_rename (vm, hw->output_node_index,
- "interface-%d-output-deleted", hw_if_index);
- vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
- hw_if_index);
- vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
- dn->tx_node_index = hw->tx_node_index;
- dn->output_node_index = hw->output_node_index;
- }
+ vlib_node_rename (vm, hw->output_node_index,
+ "interface-%d-output-deleted", hw_if_index);
+ vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
+ hw_if_index);
+ vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
+ dn->tx_node_index = hw->tx_node_index;
+ dn->output_node_index = hw->output_node_index;
+ }
hash_unset_mem (im->hw_interface_by_name, hw->name);
vec_free (hw->name);
diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index 5ca489db32d..2c2dc670a01 100644
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -444,6 +444,10 @@ typedef struct vnet_hw_interface_t
/* Software index for this hardware interface. */
u32 sw_if_index;
+ /* Next index in interface-output node for this interface
+ used by node function vnet_per_buffer_interface_output() */
+ u32 output_node_next_index;
+
/* Maximum transmit rate for this interface in bits/sec. */
f64 max_rate_bits_per_sec;
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h
index 1f22e80f314..ac50e7cd6ca 100644
--- a/src/vnet/interface_funcs.h
+++ b/src/vnet/interface_funcs.h
@@ -160,6 +160,14 @@ u32 vnet_register_interface (vnet_main_t * vnm,
u32 dev_instance,
u32 hw_class_index, u32 hw_instance);
+/**
+ * Set interface output node - for interface registered without its output/tx
+ * nodes created because its VNET_DEVICE_CLASS did not specify any tx_function.
+ * This is typically the case for tunnel interfaces.
+ */
+void vnet_set_interface_output_node (vnet_main_t * vnm,
+ u32 hw_if_index, u32 node_index);
+
/* Creates a software interface given template. */
clib_error_t *vnet_create_sw_interface (vnet_main_t * vnm,
vnet_sw_interface_t * template,
diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c
index e40f75bc833..563f6149708 100644
--- a/src/vnet/interface_output.c
+++ b/src/vnet/interface_output.c
@@ -513,8 +513,8 @@ vnet_per_buffer_interface_output (vlib_main_t * vm,
vnet_buffer (b1)->sw_if_index
[VLIB_TX]);
- next0 = hi0->hw_if_index;
- next1 = hi1->hw_if_index;
+ next0 = hi0->output_node_next_index;
+ next1 = hi1->output_node_next_index;
vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
n_left_to_next, bi0, bi1, next0,
@@ -541,7 +541,7 @@ vnet_per_buffer_interface_output (vlib_main_t * vm,
vnet_buffer (b0)->sw_if_index
[VLIB_TX]);
- next0 = hi0->hw_if_index;
+ next0 = hi0->output_node_next_index;
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
@@ -1104,12 +1104,13 @@ vnet_per_buffer_interface_output_hw_interface_add_del (vnet_main_t * vnm,
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
u32 next_index;
- next_index = vlib_node_add_next_with_slot
- (vnm->vlib_main, vnet_per_buffer_interface_output_node.index,
- hi->output_node_index,
- /* next_index */ hw_if_index);
+ if (hi->output_node_index == 0)
+ return 0;
- ASSERT (next_index == hw_if_index);
+ next_index = vlib_node_add_next
+ (vnm->vlib_main, vnet_per_buffer_interface_output_node.index,
+ hi->output_node_index);
+ hi->output_node_next_index = next_index;
return 0;
}
@@ -1117,6 +1118,18 @@ vnet_per_buffer_interface_output_hw_interface_add_del (vnet_main_t * vnm,
VNET_HW_INTERFACE_ADD_DEL_FUNCTION
(vnet_per_buffer_interface_output_hw_interface_add_del);
+void
+vnet_set_interface_output_node (vnet_main_t * vnm,
+ u32 hw_if_index, u32 node_index)
+{
+ ASSERT (node_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
+ u32 next_index = vlib_node_add_next
+ (vnm->vlib_main, vnet_per_buffer_interface_output_node.index, node_index);
+ hi->output_node_next_index = next_index;
+ hi->output_node_index = node_index;
+}
+
static clib_error_t *
pcap_drop_trace_command_fn (vlib_main_t * vm,
unformat_input_t * input,
diff --git a/src/vnet/vxlan-gpe/vxlan_gpe.c b/src/vnet/vxlan-gpe/vxlan_gpe.c
index 918a982d70d..af5dd190693 100644
--- a/src/vnet/vxlan-gpe/vxlan_gpe.c
+++ b/src/vnet/vxlan-gpe/vxlan_gpe.c
@@ -120,14 +120,6 @@ format_vxlan_gpe_name (u8 * s, va_list * args)
return format (s, "vxlan_gpe_tunnel%d", dev_instance);
}
-static uword
-dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
-}
-
/**
* @brief CLI function for VXLAN GPE admin up/down
*
@@ -154,7 +146,6 @@ VNET_DEVICE_CLASS (vxlan_gpe_device_class,static) = {
.name = "VXLAN_GPE",
.format_device_name = format_vxlan_gpe_name,
.format_tx_trace = format_vxlan_gpe_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = vxlan_gpe_interface_admin_up_down,
};
/* *INDENT-ON* */
@@ -600,9 +591,12 @@ int vnet_vxlan_gpe_add_del_tunnel
(vnm, vxlan_gpe_device_class.index, t - ngm->tunnels,
vxlan_gpe_hw_class.index, t - ngm->tunnels);
hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->output_node_index = vxlan_gpe_encap_node.index;
}
+ /* Set vxlan-gpe tunnel output node */
+ u32 encap_index = vxlan_gpe_encap_node.index;
+ vnet_set_interface_output_node (vnm, hw_if_index, encap_index);
+
t->hw_if_index = hw_if_index;
t->sw_if_index = sw_if_index = hi->sw_if_index;
vec_validate_init_empty (ngm->tunnel_index_by_sw_if_index, sw_if_index,
@@ -620,7 +614,6 @@ int vnet_vxlan_gpe_add_del_tunnel
VNET_SW_INTERFACE_FLAG_ADMIN_UP);
fib_node_init (&t->node, FIB_NODE_TYPE_VXLAN_GPE_TUNNEL);
fib_prefix_t tun_remote_pfx;
- u32 encap_index = vxlan_gpe_encap_node.index;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
fib_prefix_from_ip46_addr (&t->remote, &tun_remote_pfx);
@@ -711,9 +704,6 @@ int vnet_vxlan_gpe_add_del_tunnel
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set vxlan tunnel output node */
- hi->output_node_index = encap_index;
-
vnet_get_sw_interface (vnet_get_main (), sw_if_index)->flood_class =
flood_class;
}
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index edd8733741b..b0a186e2c05 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -79,14 +79,6 @@ static u8 * format_vxlan_name (u8 * s, va_list * args)
return format (s, "vxlan_tunnel%d", dev_instance);
}
-static uword dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
-}
-
static clib_error_t *
vxlan_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
@@ -101,7 +93,6 @@ VNET_DEVICE_CLASS (vxlan_device_class,static) = {
.name = "VXLAN",
.format_device_name = format_vxlan_name,
.format_tx_trace = format_vxlan_encap_trace,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = vxlan_interface_admin_up_down,
};
@@ -423,17 +414,22 @@ int vnet_vxlan_add_del_tunnel
(&im->sw_if_counters[VNET_INTERFACE_COUNTER_DROP], sw_if_index);
vnet_interface_counter_unlock(im);
}
- else
+ else
{
hw_if_index = vnet_register_interface
(vnm, vxlan_device_class.index, t - vxm->tunnels,
vxlan_hw_class.index, t - vxm->tunnels);
hi = vnet_get_hw_interface (vnm, hw_if_index);
}
-
+
+ /* Set vxlan tunnel output node */
+ u32 encap_index = !is_ip6 ?
+ vxlan4_encap_node.index : vxlan6_encap_node.index;
+ vnet_set_interface_output_node (vnm, hw_if_index, encap_index);
+
t->hw_if_index = hw_if_index;
t->sw_if_index = sw_if_index = hi->sw_if_index;
-
+
vec_validate_init_empty (vxm->tunnel_index_by_sw_if_index, sw_if_index, ~0);
vxm->tunnel_index_by_sw_if_index[sw_if_index] = t - vxm->tunnels;
@@ -441,16 +437,14 @@ int vnet_vxlan_add_del_tunnel
vec_validate (l2im->configs, sw_if_index);
l2im->configs[sw_if_index].feature_bitmap = L2INPUT_FEAT_DROP;
l2im->configs[sw_if_index].bd_index = 0;
-
+
vnet_sw_interface_t * si = vnet_get_sw_interface (vnm, sw_if_index);
si->flags &= ~VNET_SW_INTERFACE_FLAG_HIDDEN;
- vnet_sw_interface_set_flags (vnm, sw_if_index,
+ vnet_sw_interface_set_flags (vnm, sw_if_index,
VNET_SW_INTERFACE_FLAG_ADMIN_UP);
fib_node_init(&t->node, FIB_NODE_TYPE_VXLAN_TUNNEL);
fib_prefix_t tun_dst_pfx;
- u32 encap_index = !is_ip6 ?
- vxlan4_encap_node.index : vxlan6_encap_node.index;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
fib_prefix_from_ip46_addr(&t->dst, &tun_dst_pfx);
@@ -542,9 +536,6 @@ int vnet_vxlan_add_del_tunnel
flood_class = VNET_FLOOD_CLASS_TUNNEL_MASTER;
}
- /* Set vxlan tunnel output node */
- hi->output_node_index = encap_index;
-
vnet_get_sw_interface (vnet_get_main(), sw_if_index)->flood_class = flood_class;
}
else