vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2017-01-11	make test: improve documentation and PEP8 compliance	Klement Sekera	1	-8/+12
2016-12-23	make test: improve handling of packet captures	Klement Sekera	1	-3/+2
2016-12-16	make test: improve robustness and performance	Klement Sekera	1	-19/+12
2016-12-13	make test: Use VXLAN built in scapy 2.3.3	Matej Klotton	1	-9/+10
2016-12-06	test: l2xc instances multi-context test (CSIT-491)	Jan	1	-0/+351

/* * 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. */ #include <vnet/session/application_namespace.h> #include <vnet/session/session_table.h> #include <vnet/session/session.h> #include <vnet/fib/fib_table.h> /** * Hash table of application namespaces by app ns ids */ uword *app_namespace_lookup_table; /** * Pool of application namespaces */ static app_namespace_t *app_namespace_pool; app_namespace_t * app_namespace_get (u32 index) { return pool_elt_at_index (app_namespace_pool, index); } app_namespace_t * app_namespace_get_from_id (const u8 * ns_id) { u32 index = app_namespace_index_from_id (ns_id); if (index == APP_NAMESPACE_INVALID_INDEX) return 0; return app_namespace_get (index); } u32 app_namespace_index (app_namespace_t * app_ns) { return (app_ns - app_namespace_pool); } app_namespace_t * app_namespace_alloc (u8 * ns_id) { app_namespace_t *app_ns; pool_get (app_namespace_pool, app_ns); memset (app_ns, 0, sizeof (*app_ns)); app_ns->ns_id = vec_dup (ns_id); hash_set_mem (app_namespace_lookup_table, app_ns->ns_id, app_ns - app_namespace_pool); return app_ns; } clib_error_t * vnet_app_namespace_add_del (vnet_app_namespace_add_del_args_t * a) { app_namespace_t *app_ns; session_table_t *st; if (a->is_add) { if (a->sw_if_index != APP_NAMESPACE_INVALID_INDEX && !vnet_get_sw_interface_safe (vnet_get_main (), a->sw_if_index)) return clib_error_return_code (0, VNET_API_ERROR_INVALID_SW_IF_INDEX, 0, "sw_if_index %u doesn't exist", a->sw_if_index); if (a->sw_if_index != APP_NAMESPACE_INVALID_INDEX) { a->ip4_fib_id = fib_table_get_table_id_for_sw_if_index (FIB_PROTOCOL_IP4, a->sw_if_index); a->ip6_fib_id = fib_table_get_table_id_for_sw_if_index (FIB_PROTOCOL_IP4, a->sw_if_index); } if (a->sw_if_index == APP_NAMESPACE_INVALID_INDEX && a->ip4_fib_id == APP_NAMESPACE_INVALID_INDEX) return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0, "sw_if_index or fib_id must be " "configured"); app_ns = app_namespace_get_from_id (a->ns_id); if (!app_ns) { app_ns = app_namespace_alloc (a->ns_id); st = session_table_alloc (); session_table_init (st, FIB_PROTOCOL_MAX); st->is_local = 1; st->appns_index = app_namespace_index (app_ns); app_ns->local_table_index = session_table_index (st); } app_ns->ns_secret = a->secret; app_ns->sw_if_index = a->sw_if_index; app_ns->ip4_fib_index = fib_table_find (FIB_PROTOCOL_IP4, a->ip4_fib_id); app_ns->ip6_fib_index = fib_table_find (FIB_PROTOCOL_IP6, a->ip6_fib_id); session_lookup_set_tables_appns (app_ns); } else { return clib_error_return_code (0, VNET_API_ERROR_UNIMPLEMENTED, 0, "namespace deletion not supported"); } return 0; } const u8 * app_namespace_id (app_namespace_t * app_ns) { return app_ns->ns_id; } u32 app_namespace_index_from_id (const u8 * ns_id) { uword *indexp; indexp = hash_get_mem (app_namespace_lookup_table, ns_id); if (!indexp) return APP_NAMESPACE_INVALID_INDEX; return *indexp; } const u8 * app_namespace_id_from_index (u32 index) { app_namespace_t *app_ns; app_ns = app_namespace_get (index); return app_namespace_id (app_ns); } u32 app_namespace_get_fib_index (app_namespace_t * app_ns, u8 fib_proto) { return fib_proto == FIB_PROTOCOL_IP4 ? app_ns->ip4_fib_index : app_ns->ip6_fib_index; } session_table_t * app_namespace_get_local_table (app_namespace_t * app_ns) { return session_table_get (app_ns->local_table_index); } void app_namespaces_init (void) { u8 *ns_id = format (0, "default"); if (!app_namespace_lookup_table) app_namespace_lookup_table = hash_create_vec (0, sizeof (u8), sizeof (uword)); /* * Allocate default namespace */ vnet_app_namespace_add_del_args_t a = { .ns_id = ns_id, .secret = 0, .sw_if_index = APP_NAMESPACE_INVALID_INDEX, .is_add = 1 }; vnet_app_namespace_add_del (&a); vec_free (ns_id); } static clib_error_t * app_ns_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; u8 is_add = 0, *ns_id = 0, secret_set = 0, sw_if_index_set = 0; u32 sw_if_index, fib_id = APP_NAMESPACE_INVALID_INDEX; u64 secret; clib_error_t *error = 0; session_cli_return_if_not_enabled (); if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "add")) is_add = 1; else if (unformat (line_input, "id %_%v%_", &ns_id)) ; else if (unformat (line_input, "secret %lu", &secret)) secret_set = 1; else if (unformat (line_input, "sw_if_index %u", &sw_if_index)) sw_if_index_set = 1; else if (unformat (line_input, "fib_id", &fib_id)) ; else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, line_input); unformat_free (line_input); return error; } } unformat_free (line_input); if (!ns_id || !secret_set || !sw_if_index_set) { vlib_cli_output (vm, "namespace-id, secret and sw_if_index must be " "provided"); return 0; } if (is_add) { vnet_app_namespace_add_del_args_t args = { .ns_id = ns_id, .secret = secret, .sw_if_index = sw_if_index, .ip4_fib_id = fib_id, .is_add = 1 }; error = vnet_app_namespace_add_del (&args); } return error; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (app_ns_command, static) = { .path = "app ns", .short_help = "app ns [add] id <namespace-id> secret <secret> " "sw_if_index <sw_if_index>", .function = app_ns_fn, }; /* *INDENT-ON* */ u8 * format_app_namespace (u8 * s, va_list * args) { app_namespace_t *app_ns = va_arg (*args, app_namespace_t *); s = format (s, "%-10u%-20lu%-20u%-50v", app_namespace_index (app_ns), app_ns->ns_secret, app_ns->sw_if_index, app_ns->ns_id); return s; } static clib_error_t * show_app_ns_fn (vlib_main_t * vm, unformat_input_t * main_input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; app_namespace_t *app_ns; session_table_t *st; u8 *ns_id, do_table = 0, had_input = 1; session_cli_return_if_not_enabled (); if (!unformat_user (main_input, unformat_line_input, line_input)) { had_input = 0; goto do_ns_list; } while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "table %_%v%_", &ns_id)) do_table = 1; else { vlib_cli_output (vm, "unknown input [%U]", format_unformat_error, line_input); goto done; } } if (do_table) { app_ns = app_namespace_get_from_id (ns_id); if (!app_ns) { vlib_cli_output (vm, "ns %v not found", ns_id); goto done; } st = session_table_get (app_ns->local_table_index); if (!st) { vlib_cli_output (vm, "table for ns %v could not be found", ns_id); goto done; } session_lookup_show_table_entries (vm, st, 0, 1); vec_free (ns_id); goto done; } do_ns_list: vlib_cli_output (vm, "%-10s%-20s%-20s%-50s", "Index", "Secret", "sw_if_index", "Name"); /* *INDENT-OFF* */ pool_foreach (app_ns, app_namespace_pool, ({ vlib_cli_output (vm, "%U", format_app_namespace, app_ns); })); /* *INDENT-ON* */ done: if (had_input) unformat_free (line_input); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_app_ns_command, static) = { .path = "show app ns", .short_help = "show app ns", .function = show_app_ns_fn, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */