diff options
Diffstat (limited to 'src/plugins/gbp/gbp_recirc.c')
| -rw-r--r-- | src/plugins/gbp/gbp_recirc.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/src/plugins/gbp/gbp_recirc.c b/src/plugins/gbp/gbp_recirc.c deleted file mode 100644 index 8d56f11b4e3..00000000000 --- a/src/plugins/gbp/gbp_recirc.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * 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_recirc.h> -#include <plugins/gbp/gbp_endpoint_group.h> -#include <plugins/gbp/gbp_endpoint.h> -#include <plugins/gbp/gbp_itf.h> - -#include <vnet/dpo/dvr_dpo.h> -#include <vnet/fib/fib_table.h> - -#include <vlib/unix/plugin.h> - -/** - * Pool of GBP recircs - */ -gbp_recirc_t *gbp_recirc_pool; - -/** - * Recirc configs keyed by sw_if_index - */ -index_t *gbp_recirc_db; - -/** - * logger - */ -vlib_log_class_t gr_logger; - -/** - * L2 Emulation enable/disable symbols - */ -static void (*l2e_enable) (u32 sw_if_index); -static void (*l2e_disable) (u32 sw_if_index); - -#define GBP_RECIRC_DBG(...) \ - vlib_log_debug (gr_logger, __VA_ARGS__); - -u8 * -format_gbp_recirc (u8 * s, va_list * args) -{ - gbp_recirc_t *gr = va_arg (*args, gbp_recirc_t *); - vnet_main_t *vnm = vnet_get_main (); - - return format (s, " %U, sclass:%d, ext:%d", - format_vnet_sw_if_index_name, vnm, - gr->gr_sw_if_index, gr->gr_sclass, gr->gr_is_ext); -} - -int -gbp_recirc_add (u32 sw_if_index, sclass_t sclass, u8 is_ext) -{ - gbp_recirc_t *gr; - index_t gri; - - vec_validate_init_empty (gbp_recirc_db, sw_if_index, INDEX_INVALID); - - gri = gbp_recirc_db[sw_if_index]; - - if (INDEX_INVALID == gri) - { - gbp_endpoint_group_t *gg; - fib_protocol_t fproto; - index_t ggi; - - ggi = gbp_endpoint_group_find (sclass); - - if (INDEX_INVALID == ggi) - return (VNET_API_ERROR_NO_SUCH_ENTRY); - - gbp_endpoint_group_lock (ggi); - pool_get_zero (gbp_recirc_pool, gr); - gri = gr - gbp_recirc_pool; - - gr->gr_sclass = sclass; - gr->gr_is_ext = is_ext; - gr->gr_sw_if_index = sw_if_index; - - /* - * IP enable the recirc interface - */ - ip4_sw_interface_enable_disable (gr->gr_sw_if_index, 1); - ip6_sw_interface_enable_disable (gr->gr_sw_if_index, 1); - - /* - * cache the FIB indicies of the EPG - */ - gr->gr_epgi = ggi; - - gg = gbp_endpoint_group_get (gr->gr_epgi); - FOR_EACH_FIB_IP_PROTOCOL (fproto) - { - gr->gr_fib_index[fib_proto_to_dpo (fproto)] = - gbp_endpoint_group_get_fib_index (gg, fproto); - } - - /* - * bind to the bridge-domain of the EPG - */ - gr->gr_itf = gbp_itf_l2_add_and_lock (gr->gr_sw_if_index, gg->gg_gbd); - - /* - * set the interface into L2 emulation mode - */ - l2e_enable (gr->gr_sw_if_index); - - /* - * Packets on the recirculation interface are subject to src-EPG - * classification. Recirc interfaces are L2-emulation mode. - * for internal EPGs this is via an LPM on all external subnets. - * for external EPGs this is via a port mapping. - */ - if (gr->gr_is_ext) - { - mac_address_t mac; - /* - * recirc is for post-NAT translation packets going into - * the external EPG, these are classified to the NAT EPG - * based on its port - */ - mac_address_from_bytes (&mac, - vnet_sw_interface_get_hw_address - (vnet_get_main (), gr->gr_sw_if_index)); - gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_CP, - gr->gr_sw_if_index, - NULL, &mac, INDEX_INVALID, - INDEX_INVALID, gr->gr_sclass, - GBP_ENDPOINT_FLAG_NONE, - NULL, NULL, &gr->gr_ep); - vnet_feature_enable_disable ("ip4-unicast", - "ip4-gbp-src-classify", - gr->gr_sw_if_index, 1, 0, 0); - vnet_feature_enable_disable ("ip6-unicast", - "ip6-gbp-src-classify", - gr->gr_sw_if_index, 1, 0, 0); - } - else - { - /* - * recirc is for pre-NAT translation packets coming from - * the external EPG, these are classified based on a LPM - * in the EPG's route-domain - */ - vnet_feature_enable_disable ("ip4-unicast", - "ip4-gbp-lpm-classify", - gr->gr_sw_if_index, 1, 0, 0); - vnet_feature_enable_disable ("ip6-unicast", - "ip6-gbp-lpm-classify", - gr->gr_sw_if_index, 1, 0, 0); - } - - gbp_recirc_db[sw_if_index] = gri; - } - else - { - gr = gbp_recirc_get (gri); - } - - GBP_RECIRC_DBG ("add: %U", format_gbp_recirc, gr); - return (0); -} - -int -gbp_recirc_delete (u32 sw_if_index) -{ - gbp_recirc_t *gr; - index_t gri; - - if (vec_len (gbp_recirc_db) <= sw_if_index) - return VNET_API_ERROR_INVALID_SW_IF_INDEX; - gri = gbp_recirc_db[sw_if_index]; - - if (INDEX_INVALID != gri) - { - gr = pool_elt_at_index (gbp_recirc_pool, gri); - - GBP_RECIRC_DBG ("del: %U", format_gbp_recirc, gr); - - if (gr->gr_is_ext) - { - gbp_endpoint_unlock (GBP_ENDPOINT_SRC_CP, gr->gr_ep); - vnet_feature_enable_disable ("ip4-unicast", - "ip4-gbp-src-classify", - gr->gr_sw_if_index, 0, 0, 0); - vnet_feature_enable_disable ("ip6-unicast", - "ip6-gbp-src-classify", - gr->gr_sw_if_index, 0, 0, 0); - } - else - { - vnet_feature_enable_disable ("ip4-unicast", - "ip4-gbp-lpm-classify", - gr->gr_sw_if_index, 0, 0, 0); - vnet_feature_enable_disable ("ip6-unicast", - "ip6-gbp-lpm-classify", - gr->gr_sw_if_index, 0, 0, 0); - } - - ip4_sw_interface_enable_disable (gr->gr_sw_if_index, 0); - ip6_sw_interface_enable_disable (gr->gr_sw_if_index, 0); - l2e_disable (gr->gr_sw_if_index); - - gbp_itf_unlock (&gr->gr_itf); - - gbp_endpoint_group_unlock (gr->gr_epgi); - gbp_recirc_db[sw_if_index] = INDEX_INVALID; - pool_put (gbp_recirc_pool, gr); - return (0); - } - return VNET_API_ERROR_NO_SUCH_ENTRY; -} - -void -gbp_recirc_walk (gbp_recirc_cb_t cb, void *ctx) -{ - gbp_recirc_t *ge; - - /* *INDENT-OFF* */ - pool_foreach (ge, gbp_recirc_pool) - { - if (!cb(ge, ctx)) - break; - } - /* *INDENT-ON* */ -} - -static walk_rc_t -gbp_recirc_show_one (gbp_recirc_t * gr, void *ctx) -{ - vlib_cli_output (ctx, " %U", format_gbp_recirc, gr); - - return (WALK_CONTINUE); -} - -static clib_error_t * -gbp_recirc_show (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vlib_cli_output (vm, "Recirculation-Interfaces:"); - gbp_recirc_walk (gbp_recirc_show_one, vm); - - return (NULL); -} - -/*? - * Show Group Based Policy Recircs and derived information - * - * @cliexpar - * @cliexstart{show gbp recirc} - * @cliexend - ?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gbp_recirc_show_node, static) = { - .path = "show gbp recirc", - .short_help = "show gbp recirc\n", - .function = gbp_recirc_show, -}; -/* *INDENT-ON* */ - -static clib_error_t * -gbp_recirc_init (vlib_main_t * vm) -{ - gr_logger = vlib_log_register_class ("gbp", "recirc"); - - l2e_enable = - vlib_get_plugin_symbol ("l2e_plugin.so", "l2_emulation_enable"); - l2e_disable = - vlib_get_plugin_symbol ("l2e_plugin.so", "l2_emulation_disable"); - - return (NULL); -} - -VLIB_INIT_FUNCTION (gbp_recirc_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |