diff options
Diffstat (limited to 'vpp/plugins/ioam-plugin/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c')
| -rw-r--r-- | vpp/plugins/ioam-plugin/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/vpp/plugins/ioam-plugin/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c b/vpp/plugins/ioam-plugin/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c new file mode 100644 index 00000000..0924d68f --- /dev/null +++ b/vpp/plugins/ioam-plugin/ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c @@ -0,0 +1,271 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * 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. + */ +/* + *------------------------------------------------------------------ + * vxlan_gpe_ioam_export.c - ioam export API / debug CLI handling + *------------------------------------------------------------------ + */ + +#include <vnet/vnet.h> +#include <vnet/plugin/plugin.h> +#include <ioam/export-common/ioam_export.h> +#include <vnet/vxlan-gpe/vxlan_gpe.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> + +#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h> + +/* define message IDs */ +#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) +#define vl_printfun +#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h> +#undef vl_api_version + +/* + * A handy macro to set up a message reply. + * Assumes that the following variables are available: + * mp - pointer to request message + * rmp - pointer to reply message type + * rv - return value + */ + +#define REPLY_MACRO(t) \ +do { \ + unix_shared_memory_queue_t * q = \ + vl_api_client_index_to_input_queue (mp->client_index); \ + if (!q) \ + return; \ + \ + rmp = vl_msg_api_alloc (sizeof (*rmp)); \ + rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \ + rmp->context = mp->context; \ + rmp->retval = ntohl(rv); \ + \ + vl_msg_api_send_shmem (q, (u8 *)&rmp); \ +} while(0); + + +/* List of message types that this plugin understands */ + + +#define foreach_vxlan_gpe_ioam_export_plugin_api_msg \ +_(VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE, vxlan_gpe_ioam_export_enable_disable) + +extern void vxlan_gpe_set_next_override (uword next); +/* Action function shared between message handler and debug CLI */ +int +vxlan_gpe_ioam_export_enable_disable (ioam_export_main_t * em, + u8 is_disable, + ip4_address_t * collector_address, + ip4_address_t * src_address) +{ + vlib_main_t *vm = em->vlib_main; + u32 node_index = vxlan_export_node.index; + vlib_node_t *vxlan_gpe_decap_ioam_node = NULL; + + if (is_disable == 0) + { + if (em->my_hbh_slot == ~0) + { + /* Hook this export node to vxlan-gpe-decap-ioam-v4 */ + vxlan_gpe_decap_ioam_node = + vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-decap-ioam-v4"); + if (!vxlan_gpe_decap_ioam_node) + { + /* node does not exist give up */ + return (-1); + } + em->my_hbh_slot = + vlib_node_add_next (vm, vxlan_gpe_decap_ioam_node->index, + node_index); + } + if (1 == ioam_export_header_create (em, collector_address, src_address)) + { + ioam_export_thread_buffer_init (em, vm); + vxlan_gpe_set_next_override (em->my_hbh_slot); + /* Turn on the export buffer check process */ + vlib_process_signal_event (vm, em->export_process_node_index, 1, 0); + + } + else + { + return (-2); + } + } + else + { + vxlan_gpe_set_next_override (VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP); + ioam_export_header_cleanup (em, collector_address, src_address); + ioam_export_thread_buffer_free (em); + /* Turn off the export buffer check process */ + vlib_process_signal_event (vm, em->export_process_node_index, 2, 0); + + } + + return 0; +} + +/* API message handler */ +static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler + (vl_api_vxlan_gpe_ioam_export_enable_disable_t * mp) +{ + vl_api_vxlan_gpe_ioam_export_enable_disable_reply_t *rmp; + ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main; + int rv; + + rv = vxlan_gpe_ioam_export_enable_disable (sm, (int) (mp->is_disable), + (ip4_address_t *) + mp->collector_address, + (ip4_address_t *) + mp->src_address); + + REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY); +} /* API message handler */ + + + +/* Set up the API message handling tables */ +static clib_error_t * +vxlan_gpe_ioam_export_plugin_api_hookup (vlib_main_t * vm) +{ + ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main; +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \ + #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_vxlan_gpe_ioam_export_plugin_api_msg; +#undef _ + + return 0; +} + + +static clib_error_t * +set_vxlan_gpe_ioam_export_ipfix_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + ioam_export_main_t *em = &vxlan_gpe_ioam_export_main; + ip4_address_t collector, src; + u8 is_disable = 0; + + collector.as_u32 = 0; + src.as_u32 = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "collector %U", unformat_ip4_address, &collector)) + ; + else if (unformat (input, "src %U", unformat_ip4_address, &src)) + ; + else if (unformat (input, "disable")) + is_disable = 1; + else + break; + } + + if (collector.as_u32 == 0) + return clib_error_return (0, "collector address required"); + + if (src.as_u32 == 0) + return clib_error_return (0, "src address required"); + + em->ipfix_collector.as_u32 = collector.as_u32; + em->src_address.as_u32 = src.as_u32; + + vlib_cli_output (vm, "Collector %U, src address %U", + format_ip4_address, &em->ipfix_collector, + format_ip4_address, &em->src_address); + + /* Turn on the export timer process */ + // vlib_process_signal_event (vm, flow_report_process_node.index, + //1, 0); + if (0 != + vxlan_gpe_ioam_export_enable_disable (em, is_disable, &collector, &src)) + { + return clib_error_return (0, "Unable to set ioam vxlan-gpe export"); + } + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) = +{ +.path = "set vxlan-gpe-ioam export ipfix", +.short_help = "set vxlan-gpe-ioam export ipfix collector <ip4-address> src <ip4-address>", +.function = set_vxlan_gpe_ioam_export_ipfix_command_fn, +}; +/* *INDENT-ON* */ + + +static clib_error_t * +vxlan_gpe_ioam_export_init (vlib_main_t * vm) +{ + ioam_export_main_t *em = &vxlan_gpe_ioam_export_main; + clib_error_t *error = 0; + u8 *name; + + name = format (0, "vxlan_gpe_ioam_export_%08x%c", api_version, 0); + + /* Ask for a correctly-sized block of API message decode slots */ + em->msg_id_base = vl_msg_api_get_msg_ids + ((char *) name, VL_MSG_FIRST_AVAILABLE); + em->unix_time_0 = (u32) time (0); /* Store starting time */ + em->vlib_time_0 = vlib_time_now (vm); + + error = vxlan_gpe_ioam_export_plugin_api_hookup (vm); + em->my_hbh_slot = ~0; + em->vlib_main = vm; + em->vnet_main = vnet_get_main (); + vec_free (name); + + return error; +} + +VLIB_INIT_FUNCTION (vxlan_gpe_ioam_export_init); + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |