aboutsummaryrefslogtreecommitdiffstats
path: root/utils/extras/rtinject/tap_inject.c
diff options
context:
space:
mode:
Diffstat (limited to 'utils/extras/rtinject/tap_inject.c')
-rw-r--r--utils/extras/rtinject/tap_inject.c380
1 files changed, 0 insertions, 380 deletions
diff --git a/utils/extras/rtinject/tap_inject.c b/utils/extras/rtinject/tap_inject.c
deleted file mode 100644
index f41ae86c8..000000000
--- a/utils/extras/rtinject/tap_inject.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
- * Copyright 2016 Intel Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "tap_inject.h"
-
-#include <vnet/mfib/mfib_table.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/lookup.h>
-#include <vnet/fib/fib.h>
-
-static tap_inject_main_t tap_inject_main;
-extern dpo_type_t tap_inject_dpo_type;
-
-tap_inject_main_t *
-tap_inject_get_main (void)
-{
- return &tap_inject_main;
-}
-
-void
-tap_inject_insert_tap (u32 sw_if_index, u32 tap_fd, u32 tap_if_index)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
-
- vec_validate_init_empty (im->sw_if_index_to_tap_fd, sw_if_index, ~0);
- vec_validate_init_empty (im->sw_if_index_to_tap_if_index, sw_if_index, ~0);
-
- vec_validate_init_empty (im->tap_fd_to_sw_if_index, tap_fd, ~0);
-
- im->sw_if_index_to_tap_fd[sw_if_index] = tap_fd;
- im->sw_if_index_to_tap_if_index[sw_if_index] = tap_if_index;
-
- im->tap_fd_to_sw_if_index[tap_fd] = sw_if_index;
-
- hash_set (im->tap_if_index_to_sw_if_index, tap_if_index, sw_if_index);
-}
-
-void
-tap_inject_delete_tap (u32 sw_if_index)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
- u32 tap_fd = im->sw_if_index_to_tap_fd[sw_if_index];
- u32 tap_if_index = im->sw_if_index_to_tap_if_index[sw_if_index];
-
- im->sw_if_index_to_tap_if_index[sw_if_index] = ~0;
- im->sw_if_index_to_tap_fd[sw_if_index] = ~0;
- im->tap_fd_to_sw_if_index[tap_fd] = ~0;
-
- hash_unset (im->tap_if_index_to_sw_if_index, tap_if_index);
-}
-
-u32
-tap_inject_lookup_tap_fd (u32 sw_if_index)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
-
- vec_validate_init_empty (im->sw_if_index_to_tap_fd, sw_if_index, ~0);
- return im->sw_if_index_to_tap_fd[sw_if_index];
-}
-
-u32
-tap_inject_lookup_sw_if_index_from_tap_fd (u32 tap_fd)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
-
- vec_validate_init_empty (im->tap_fd_to_sw_if_index, tap_fd, ~0);
- return im->tap_fd_to_sw_if_index[tap_fd];
-}
-
-u32
-tap_inject_lookup_sw_if_index_from_tap_if_index (u32 tap_if_index)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
- uword * sw_if_index;
-
- sw_if_index = hash_get (im->tap_if_index_to_sw_if_index, tap_if_index);
- return sw_if_index ? *(u32 *)sw_if_index : ~0;
-}
-
-/* *INDENT-OFF* */
-VLIB_PLUGIN_REGISTER () = {
- // .version = VPP_BUILD_VER, FIXME
- .description = "router",
-};
-/* *INDENT-ON* */
-
-
-static void
-tap_inject_disable (void)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
-
- im->flags &= ~TAP_INJECT_F_ENABLED;
-
- clib_warning ("tap-inject is not actually disabled.");
-}
-
-static clib_error_t *
-tap_inject_enable (void)
-{
- vlib_main_t * vm = vlib_get_main ();
- tap_inject_main_t * im = tap_inject_get_main ();
-
- if (tap_inject_is_enabled ())
- return 0;
-
- tap_inject_enable_netlink ();
-
- /* Only enable netlink? */
- if (im->flags & TAP_INJECT_F_CONFIG_NETLINK)
- {
- im->flags |= TAP_INJECT_F_ENABLED;
- return 0;
- }
-
- /* Register ARP and ICMP6 as neighbor nodes. */
- ethernet_register_input_type (vm, ETHERNET_TYPE_ARP, im->neighbor_node_index);
- ip6_register_protocol (IP_PROTOCOL_ICMP6, im->neighbor_node_index);
-
- /* Register remaining protocols. */
- ip4_register_protocol (IP_PROTOCOL_ICMP, im->tx_node_index);
-
- ip4_register_protocol (IP_PROTOCOL_OSPF, im->tx_node_index);
- ip4_register_protocol (IP_PROTOCOL_TCP, im->tx_node_index);
- ip4_register_protocol (IP_PROTOCOL_UDP, im->tx_node_index);
-
- ip6_register_protocol (IP_PROTOCOL_OSPF, im->tx_node_index);
- ip6_register_protocol (IP_PROTOCOL_TCP, im->tx_node_index);
- ip6_register_protocol (IP_PROTOCOL_UDP, im->tx_node_index);
-
- {
- dpo_id_t dpo = DPO_INVALID;
-
- const mfib_prefix_t pfx_224_0_0_0 = {
- .fp_len = 24,
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_grp_addr = {
- .ip4.as_u32 = clib_host_to_net_u32(0xe0000000),
- },
- .fp_src_addr = {
- .ip4.as_u32 = 0,
- },
- };
-
- dpo_set(&dpo, tap_inject_dpo_type, DPO_PROTO_IP4, ~0);
-
- index_t repi = replicate_create(1, DPO_PROTO_IP4);
- replicate_set_bucket(repi, 0, &dpo);
-
- mfib_table_entry_special_add(0,
- &pfx_224_0_0_0,
- MFIB_SOURCE_API,
- MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF,
- repi);
-
- dpo_reset(&dpo);
- }
-
- im->flags |= TAP_INJECT_F_ENABLED;
-
- return 0;
-}
-
-static uword
-tap_inject_iface_isr (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * f)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
- vnet_hw_interface_t * hw;
- u32 * hw_if_index;
- clib_error_t * err = 0;
-
- vec_foreach (hw_if_index, im->interfaces_to_enable)
- {
- hw = vnet_get_hw_interface (vnet_get_main (), *hw_if_index);
-
- if (hw->hw_class_index == ethernet_hw_interface_class.index)
- {
- err = tap_inject_tap_connect (hw);
- if (err)
- break;
- }
- }
-
- vec_foreach (hw_if_index, im->interfaces_to_disable)
- tap_inject_tap_disconnect (*hw_if_index);
-
- vec_free (im->interfaces_to_enable);
- vec_free (im->interfaces_to_disable);
-
- return err ? -1 : 0;
-}
-
-VLIB_REGISTER_NODE (tap_inject_iface_isr_node, static) = {
- .function = tap_inject_iface_isr,
- .name = "tap-inject-iface-isr",
- .type = VLIB_NODE_TYPE_INPUT,
- .state = VLIB_NODE_STATE_INTERRUPT,
- .vector_size = sizeof (u32),
-};
-
-
-static clib_error_t *
-tap_inject_interface_add_del (struct vnet_main_t * vnet_main, u32 hw_if_index,
- u32 add)
-{
- vlib_main_t * vm = vlib_get_main ();
- tap_inject_main_t * im = tap_inject_get_main ();
-
- if (!tap_inject_is_config_enabled ())
- return 0;
-
- tap_inject_enable ();
-
- if (add)
- vec_add1 (im->interfaces_to_enable, hw_if_index);
- else
- vec_add1 (im->interfaces_to_disable, hw_if_index);
-
- vlib_node_set_interrupt_pending (vm, tap_inject_iface_isr_node.index);
-
- return 0;
-}
-
-VNET_HW_INTERFACE_ADD_DEL_FUNCTION (tap_inject_interface_add_del);
-
-
-static clib_error_t *
-tap_inject_enable_disable_all_interfaces (int enable)
-{
- vnet_main_t * vnet_main = vnet_get_main ();
- tap_inject_main_t * im = tap_inject_get_main ();
- vnet_hw_interface_t * interfaces;
- vnet_hw_interface_t * hw;
- u32 ** indices;
-
- if (enable)
- tap_inject_enable ();
- else
- tap_inject_disable ();
-
- /* Collect all the interface indices. */
- interfaces = vnet_main->interface_main.hw_interfaces;
- indices = enable ? &im->interfaces_to_enable : &im->interfaces_to_disable;
- pool_foreach (hw, interfaces, vec_add1 (*indices, hw - interfaces));
-
- if (tap_inject_iface_isr (vlib_get_main (), 0, 0))
- return clib_error_return (0, "tap-inject interface add del isr failed");
-
- return 0;
-}
-
-static clib_error_t *
-tap_inject_cli (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
-
- if (cmd->function_arg)
- {
- clib_error_t * err;
-
- if (tap_inject_is_config_disabled ())
- return clib_error_return (0,
- "tap-inject is disabled in config, thus cannot be enabled.");
-
- /* Enable */
- err = tap_inject_enable_disable_all_interfaces (1);
- if (err)
- {
- tap_inject_enable_disable_all_interfaces (0);
- return err;
- }
-
- im->flags |= TAP_INJECT_F_CONFIG_ENABLE;
- }
- else
- {
- /* Disable */
- tap_inject_enable_disable_all_interfaces (0);
- im->flags &= ~TAP_INJECT_F_CONFIG_ENABLE;
- }
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (tap_inject_enable_cmd, static) = {
- .path = "enable tap-inject",
- .short_help = "enable tap-inject",
- .function = tap_inject_cli,
- .function_arg = 1,
-};
-
-VLIB_CLI_COMMAND (tap_inject_disable_cmd, static) = {
- .path = "disable tap-inject",
- .short_help = "disable tap-inject",
- .function = tap_inject_cli,
- .function_arg = 0,
-};
-
-
-static clib_error_t *
-show_tap_inject (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- vnet_main_t * vnet_main = vnet_get_main ();
- tap_inject_main_t * im = tap_inject_get_main ();
- u32 k, v;
-
- if (tap_inject_is_config_disabled ())
- {
- vlib_cli_output (vm, "tap-inject is disabled in config.\n");
- return 0;
- }
-
- if (!tap_inject_is_enabled ())
- {
- vlib_cli_output (vm, "tap-inject is not enabled.\n");
- return 0;
- }
-
- hash_foreach (k, v, im->tap_if_index_to_sw_if_index, {
- vlib_cli_output (vm, "%U -> %U",
- format_vnet_sw_interface_name, vnet_main,
- vnet_get_sw_interface (vnet_main, v),
- format_tap_inject_tap_name, k);
- });
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (show_tap_inject_cmd, static) = {
- .path = "show tap-inject",
- .short_help = "show tap-inject",
- .function = show_tap_inject,
-};
-
-
-static clib_error_t *
-tap_inject_config (vlib_main_t * vm, unformat_input_t * input)
-{
- tap_inject_main_t * im = tap_inject_get_main ();
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "enable"))
- im->flags |= TAP_INJECT_F_CONFIG_ENABLE;
-
- else if (unformat (input, "disable"))
- im->flags |= TAP_INJECT_F_CONFIG_DISABLE;
-
- else if (unformat (input, "netlink-only"))
- im->flags |= TAP_INJECT_F_CONFIG_NETLINK;
-
- else
- return clib_error_return (0, "syntax error `%U'",
- format_unformat_error, input);
- }
-
- if (tap_inject_is_config_enabled () && tap_inject_is_config_disabled ())
- return clib_error_return (0,
- "tap-inject cannot be both enabled and disabled.");
-
- return 0;
-}
-
-VLIB_CONFIG_FUNCTION (tap_inject_config, "tap-inject");