diff options
Diffstat (limited to 'extras/deprecated/plugins/gbp/gbp_ext_itf.c')
| -rw-r--r-- | extras/deprecated/plugins/gbp/gbp_ext_itf.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/extras/deprecated/plugins/gbp/gbp_ext_itf.c b/extras/deprecated/plugins/gbp/gbp_ext_itf.c new file mode 100644 index 00000000000..c5506661c2d --- /dev/null +++ b/extras/deprecated/plugins/gbp/gbp_ext_itf.c @@ -0,0 +1,293 @@ +/* + * Copyright (c) 2018 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 <plugins/gbp/gbp_ext_itf.h> +#include <plugins/gbp/gbp_bridge_domain.h> +#include <plugins/gbp/gbp_route_domain.h> +#include <plugins/gbp/gbp_itf.h> + +/** + * Pool of GBP ext_itfs + */ +gbp_ext_itf_t *gbp_ext_itf_pool; + +/** + * external interface configs keyed by sw_if_index + */ +index_t *gbp_ext_itf_db; + +#define GBP_EXT_ITF_ID 0x00000080 + +/** + * logger + */ +vlib_log_class_t gx_logger; + +#define GBP_EXT_ITF_DBG(...) \ + vlib_log_debug (gx_logger, __VA_ARGS__); + +u8 * +format_gbp_ext_itf (u8 * s, va_list * args) +{ + gbp_ext_itf_t *gx = va_arg (*args, gbp_ext_itf_t *); + + return (format (s, "%U%s in %U", + format_gbp_itf_hdl, gx->gx_itf, + (gx->gx_flags & GBP_EXT_ITF_F_ANON) ? " [anon]" : "", + format_gbp_bridge_domain, gx->gx_bd)); +} + +int +gbp_ext_itf_add (u32 sw_if_index, u32 bd_id, u32 rd_id, u32 flags) +{ + gbp_ext_itf_t *gx; + index_t gxi; + + vec_validate_init_empty (gbp_ext_itf_db, sw_if_index, INDEX_INVALID); + + gxi = gbp_ext_itf_db[sw_if_index]; + + if (INDEX_INVALID == gxi) + { + gbp_route_domain_t *gr; + fib_protocol_t fproto; + index_t gbi, gri; + + gbi = gbp_bridge_domain_find_and_lock (bd_id); + + if (INDEX_INVALID == gbi) + return (VNET_API_ERROR_NO_SUCH_ENTRY); + + gri = gbp_route_domain_find_and_lock (rd_id); + + if (INDEX_INVALID == gri) + { + gbp_bridge_domain_unlock (gbi); + return (VNET_API_ERROR_NO_SUCH_ENTRY); + } + + pool_get_zero (gbp_ext_itf_pool, gx); + gxi = gx - gbp_ext_itf_pool; + + gr = gbp_route_domain_get (gri); + + gx->gx_bd = gbi; + gx->gx_rd = gri; + gbp_itf_hdl_reset (&gx->gx_itf); + + FOR_EACH_FIB_IP_PROTOCOL (fproto) + { + gx->gx_fib_index[fproto] = + gr->grd_fib_index[fib_proto_to_dpo (fproto)]; + } + + if (flags & GBP_EXT_ITF_F_ANON) + { + /* add interface to the BD */ + gx->gx_itf = gbp_itf_l2_add_and_lock (sw_if_index, gbi); + + /* setup GBP L2 features on this interface */ + gbp_itf_l2_set_input_feature (gx->gx_itf, + L2INPUT_FEAT_GBP_LPM_ANON_CLASSIFY | + L2INPUT_FEAT_LEARN); + gbp_itf_l2_set_output_feature (gx->gx_itf, + L2OUTPUT_FEAT_GBP_POLICY_LPM); + } + + gx->gx_flags = flags; + + gbp_ext_itf_db[sw_if_index] = gxi; + + GBP_EXT_ITF_DBG ("add: %U", format_gbp_ext_itf, gx); + + return (0); + } + + return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS); +} + +int +gbp_ext_itf_delete (u32 sw_if_index) +{ + gbp_ext_itf_t *gx; + index_t gxi; + + if (vec_len (gbp_ext_itf_db) <= sw_if_index) + return (VNET_API_ERROR_INVALID_SW_IF_INDEX); + + gxi = gbp_ext_itf_db[sw_if_index]; + + if (INDEX_INVALID != gxi) + { + gx = pool_elt_at_index (gbp_ext_itf_pool, gxi); + + GBP_EXT_ITF_DBG ("del: %U", format_gbp_ext_itf, gx); + + gbp_itf_unlock (&gx->gx_itf); + gbp_route_domain_unlock (gx->gx_rd); + gbp_bridge_domain_unlock (gx->gx_bd); + + gbp_ext_itf_db[sw_if_index] = INDEX_INVALID; + pool_put (gbp_ext_itf_pool, gx); + + return (0); + } + return (VNET_API_ERROR_NO_SUCH_ENTRY); +} + +static clib_error_t * +gbp_ext_itf_add_del_cli (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + u32 sw_if_index = ~0, bd_id = ~0, rd_id = ~0, flags = 0; + int add = 1; + int rv; + + /* Get a line of input. */ + 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, "del")) + add = 0; + else + if (unformat + (line_input, "%U", unformat_vnet_sw_interface, vnet_get_main (), + &sw_if_index)) + ; + else if (unformat (line_input, "bd %d", &bd_id)) + ; + else if (unformat (line_input, "rd %d", &rd_id)) + ; + else if (unformat (line_input, "anon-l3-out")) + flags |= GBP_EXT_ITF_F_ANON; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, line_input); + } + unformat_free (line_input); + + if (~0 == sw_if_index) + return clib_error_return (0, "interface must be specified"); + + if (add) + { + if (~0 == bd_id) + return clib_error_return (0, "BD-ID must be specified"); + if (~0 == rd_id) + return clib_error_return (0, "RD-ID must be specified"); + rv = gbp_ext_itf_add (sw_if_index, bd_id, rd_id, flags); + } + else + rv = gbp_ext_itf_delete (sw_if_index); + + switch (rv) + { + case 0: + return 0; + case VNET_API_ERROR_ENTRY_ALREADY_EXISTS: + return clib_error_return (0, "interface already exists"); + case VNET_API_ERROR_NO_SUCH_ENTRY: /* fallthrough */ + case VNET_API_ERROR_INVALID_SW_IF_INDEX: + return clib_error_return (0, "unknown interface"); + default: + return clib_error_return (0, "error %d", rv); + } + + /* never reached */ + return 0; +} + +/*? + * Add Group Based Interface as anonymous L3out interface + * + * @cliexpar + * @cliexstart{gbp interface [del] anon-l3out <interface> bd <ID>} + * @cliexend + ?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (gbp_itf_anon_l3out_add_del_node, static) = { + .path = "gbp ext-itf", + .short_help = "gbp ext-itf [del] <interface> bd <ID> rd <ID> [anon-l3-out]\n", + .function = gbp_ext_itf_add_del_cli, +}; +/* *INDENT-ON* */ + +void +gbp_ext_itf_walk (gbp_ext_itf_cb_t cb, void *ctx) +{ + gbp_ext_itf_t *ge; + + /* *INDENT-OFF* */ + pool_foreach (ge, gbp_ext_itf_pool) + { + if (!cb(ge, ctx)) + break; + } + /* *INDENT-ON* */ +} + +static walk_rc_t +gbp_ext_itf_show_one (gbp_ext_itf_t * gx, void *ctx) +{ + vlib_cli_output (ctx, " %U", format_gbp_ext_itf, gx); + + return (WALK_CONTINUE); +} + +static clib_error_t * +gbp_ext_itf_show (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + vlib_cli_output (vm, "External-Interfaces:"); + gbp_ext_itf_walk (gbp_ext_itf_show_one, vm); + + return (NULL); +} + +/*? + * Show Group Based Policy external interface and derived information + * + * @cliexpar + * @cliexstart{show gbp ext-itf} + * @cliexend + ?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (gbp_ext_itf_show_node, static) = { + .path = "show gbp ext-itf", + .short_help = "show gbp ext-itf\n", + .function = gbp_ext_itf_show, +}; +/* *INDENT-ON* */ + +static clib_error_t * +gbp_ext_itf_init (vlib_main_t * vm) +{ + gx_logger = vlib_log_register_class ("gbp", "ext-itf"); + + return (NULL); +} + +VLIB_INIT_FUNCTION (gbp_ext_itf_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |