vpp - Vector Packet Processing

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Diffstat (limited to 'test/test_mtu.py')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2017 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. */ /* *------------------------------------------------------------------ * ioam_cache.c - ioam ip6 API / debug CLI handling *------------------------------------------------------------------ */ #include <vnet/vnet.h> #include <vnet/plugin/plugin.h> #include <ioam/ip6/ioam_cache.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> #include <vlibsocket/api.h> #include <vnet/ip/ip6_hop_by_hop.h> #include "ioam_cache.h" /* define message IDs */ #include <ioam/ip6/ioam_cache_msg_enum.h> /* define message structures */ #define vl_typedefs #include <ioam/ip6/ioam_cache_all_api_h.h> #undef vl_typedefs /* define generated endian-swappers */ #define vl_endianfun #include <ioam/ip6/ioam_cache_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/ip6/ioam_cache_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/ip6/ioam_cache_all_api_h.h> #undef vl_api_version #define REPLY_MSG_ID_BASE cm->msg_id_base #include <vlibapi/api_helper_macros.h> /* List of message types that this plugin understands */ #define foreach_ioam_cache_plugin_api_msg \ _(IOAM_CACHE_IP6_ENABLE_DISABLE, ioam_cache_ip6_enable_disable) static u8 * ioam_e2e_id_trace_handler (u8 * s, ip6_hop_by_hop_option_t * opt) { ioam_e2e_id_option_t *e2e = (ioam_e2e_id_option_t *) opt; if (e2e) { s = format (s, "IP6_HOP_BY_HOP E2E ID = %U\n", format_ip6_address, &(e2e->id)); } return s; } static u8 * ioam_e2e_cache_trace_handler (u8 * s, ip6_hop_by_hop_option_t * opt) { ioam_e2e_cache_option_t *e2e = (ioam_e2e_cache_option_t *) opt; if (e2e) { s = format (s, "IP6_HOP_BY_HOP E2E CACHE = pool:%d idx:%d\n", e2e->pool_id, e2e->pool_index); } return s; } /* Action function shared between message handler and debug CLI */ int ioam_cache_ip6_enable_disable (ioam_cache_main_t * em, ip6_address_t * sr_localsid, u8 is_disable) { vlib_main_t *vm = em->vlib_main; if (is_disable == 0) { ioam_cache_table_init (vm); em->sr_localsid_cache.as_u64[0] = sr_localsid->as_u64[0]; em->sr_localsid_cache.as_u64[1] = sr_localsid->as_u64[1]; ip6_hbh_set_next_override (em->cache_hbh_slot); ip6_hbh_register_option (HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID, 0, ioam_e2e_id_trace_handler); ip6_hbh_register_option (HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID, 0, ioam_e2e_cache_trace_handler); } else { ip6_hbh_set_next_override (IP6_LOOKUP_NEXT_POP_HOP_BY_HOP); ioam_cache_table_destroy (vm); em->sr_localsid_cache.as_u64[0] = 0; em->sr_localsid_cache.as_u64[1] = 0; ip6_hbh_unregister_option (HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID); ip6_hbh_unregister_option (HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID); } return 0; } /* Action function shared between message handler and debug CLI */ int ioam_tunnel_select_ip6_enable_disable (ioam_cache_main_t * em, u8 criteria, u8 no_of_responses, ip6_address_t * sr_localsid, u8 is_disable) { vlib_main_t *vm = em->vlib_main; if (is_disable == 0) { ioam_cache_ts_table_init (vm); em->criteria_oneway = criteria; em->wait_for_responses = no_of_responses; em->sr_localsid_ts.as_u64[0] = sr_localsid->as_u64[0]; em->sr_localsid_ts.as_u64[1] = sr_localsid->as_u64[1]; ip6_hbh_set_next_override (em->ts_hbh_slot); ip6_ioam_ts_cache_set_rewrite (); ip6_hbh_register_option (HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID, 0, ioam_e2e_id_trace_handler); ip6_hbh_register_option (HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID, 0, ioam_e2e_cache_trace_handler); /* Turn on the cleanup process */ // vlib_process_signal_event (vm, em->cleanup_process_node_index, 1, 0); } else { ioam_cache_ts_timer_node_enable (vm, 0); ip6_hbh_set_next_override (IP6_LOOKUP_NEXT_POP_HOP_BY_HOP); em->sr_localsid_ts.as_u64[0] = 0; em->sr_localsid_ts.as_u64[1] = 0; ioam_cache_ts_table_destroy (vm); ip6_ioam_ts_cache_cleanup_rewrite (); ip6_hbh_unregister_option (HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID); ip6_hbh_unregister_option (HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID); } return 0; } /* API message handler */ static void vl_api_ioam_cache_ip6_enable_disable_t_handler (vl_api_ioam_cache_ip6_enable_disable_t * mp) { vl_api_ioam_cache_ip6_enable_disable_reply_t *rmp; ioam_cache_main_t *cm = &ioam_cache_main; ip6_address_t sr_localsid; int rv; sr_localsid.as_u64[0] = 0; sr_localsid.as_u64[1] = 0; rv = ioam_cache_ip6_enable_disable (cm, &sr_localsid, (int) (mp->is_disable)); REPLY_MACRO (VL_API_IOAM_CACHE_IP6_ENABLE_DISABLE_REPLY); } /* Set up the API message handling tables */ static clib_error_t * ioam_cache_plugin_api_hookup (vlib_main_t * vm) { ioam_cache_main_t *sm = &ioam_cache_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_ioam_cache_plugin_api_msg; #undef _ return 0; } #define vl_msg_name_crc_list #include <ioam/ip6/ioam_cache_all_api_h.h> #undef vl_msg_name_crc_list static void setup_message_id_table (ioam_cache_main_t * sm, api_main_t * am) { #define _(id,n,crc) \ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base); foreach_vl_msg_name_crc_ioam_cache; #undef _ } static clib_error_t * set_ioam_cache_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { ioam_cache_main_t *em = &ioam_cache_main; u8 is_disable = 0; ip6_address_t sr_localsid; u8 address_set = 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "disable")) is_disable = 1; else if (!address_set && unformat (input, "sr_localsid %U", unformat_ip6_address, &sr_localsid)) address_set = 1; else break; } if (is_disable == 0 && !address_set) return clib_error_return (0, "Error: SRv6 LocalSID address is mandatory"); ioam_cache_ip6_enable_disable (em, &sr_localsid, is_disable); return 0; } /* *INDENT_OFF* */ VLIB_CLI_COMMAND (set_ioam_cache_command, static) = { .path = "set ioam ip6 cache",.short_help = "set ioam ip6 cache sr_localsid <ip6 address> [disable]",.function = set_ioam_cache_command_fn}; /* *INDENT_ON* */ #define IOAM_TS_WAIT_FOR_RESPONSES 3 static clib_error_t * set_ioam_tunnel_select_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { ioam_cache_main_t *em = &ioam_cache_main; u8 is_disable = 0; u8 one_way = 0; ip6_address_t sr_localsid; u8 address_set = 0; u8 no_of_responses = IOAM_TS_WAIT_FOR_RESPONSES; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "disable")) is_disable = 1; else if (unformat (input, "rtt")) one_way = 0; else if (unformat (input, "oneway")) one_way = 1; else if (unformat (input, "wait_for_responses %d", &no_of_responses)) ; else if (!address_set && unformat (input, "sr_localsid %U", unformat_ip6_address, &sr_localsid)) address_set = 1; else break; } if (is_disable == 0 && !address_set) return clib_error_return (0, "Error: SRv6 LocalSID address is mandatory to receive response."); ioam_tunnel_select_ip6_enable_disable (em, one_way, no_of_responses, &sr_localsid, is_disable); return 0; } /* *INDENT_OFF* */ VLIB_CLI_COMMAND (set_ioam_cache_ts_command, static) = { .path = "set ioam ip6 sr-tunnel-select",.short_help = "set ioam ip6 sr-tunnel-select [disable] [oneway|rtt] [wait_for_responses <n|default 3>] \ [sr_localsid <ip6 address>]",.function = set_ioam_tunnel_select_command_fn}; /* *INDENT_ON* */ static void ioam_cache_table_print (vlib_main_t * vm, u8 verbose) { ioam_cache_main_t *cm = &ioam_cache_main; ioam_cache_entry_t *entry = 0; ioam_cache_ts_entry_t *ts_entry = 0; int no_of_threads = vec_len (vlib_worker_threads); int i; pool_foreach (entry, cm->ioam_rewrite_pool, ( { vlib_cli_output (vm, "%U", format_ioam_cache_entry, entry); })); if (cm->ts_stats) for (i = 0; i < no_of_threads; i++) { vlib_cli_output (vm, "Number of entries in thread-%d selection pool: %lu\n \ (pool found to be full: %lu times)", i, cm->ts_stats[i].inuse, cm->ts_stats[i].add_failed); if (verbose == 1) vlib_worker_thread_barrier_sync (vm); pool_foreach (ts_entry, cm->ioam_ts_pool[i], ( { vlib_cli_output (vm, "%U", format_ioam_cache_ts_entry, ts_entry, (u32) i); } )); vlib_worker_thread_barrier_release (vm); } } static clib_error_t * show_ioam_cache_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { u8 verbose = 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "verbose")) verbose = 1; } ioam_cache_table_print (vm, verbose); return 0; } /* *INDENT_OFF* */ VLIB_CLI_COMMAND (show_ioam_cache_command, static) = { .path = "show ioam ip6 cache",.short_help = "show ioam ip6 cache [verbose]",.function = show_ioam_cache_command_fn}; /* *INDENT_ON* */ static clib_error_t * ioam_cache_init (vlib_main_t * vm) { ioam_cache_main_t *em = &ioam_cache_main; clib_error_t *error = 0; u8 *name; u32 cache_node_index = ioam_cache_node.index; u32 ts_node_index = ioam_cache_ts_node.index; vlib_node_t *ip6_hbyh_node = NULL, *ip6_hbh_pop_node = NULL, *error_node = NULL; name = format (0, "ioam_cache_%08x%c", api_version, 0); memset (&ioam_cache_main, 0, sizeof (ioam_cache_main)); /* 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); error = ioam_cache_plugin_api_hookup (vm); /* Add our API messages to the global name_crc hash table */ setup_message_id_table (em, &api_main); /* Hook this node to ip6-hop-by-hop */ ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop"); em->cache_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, cache_node_index); em->ts_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, ts_node_index); ip6_hbh_pop_node = vlib_get_node_by_name (vm, (u8 *) "ip6-pop-hop-by-hop"); em->ip6_hbh_pop_node_index = ip6_hbh_pop_node->index; error_node = vlib_get_node_by_name (vm, (u8 *) "error-drop"); em->error_node_index = error_node->index; em->vlib_main = vm; vec_free (name); return error; } VLIB_INIT_FUNCTION (ioam_cache_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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