diff options
Diffstat (limited to 'src/plugins/gbp/gbp_route_domain.c')
| -rw-r--r-- | src/plugins/gbp/gbp_route_domain.c | 447 |
1 files changed, 0 insertions, 447 deletions
diff --git a/src/plugins/gbp/gbp_route_domain.c b/src/plugins/gbp/gbp_route_domain.c deleted file mode 100644 index 6cc595d0fa9..00000000000 --- a/src/plugins/gbp/gbp_route_domain.c +++ /dev/null @@ -1,447 +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_route_domain.h> -#include <plugins/gbp/gbp_endpoint.h> - -#include <vnet/dpo/dvr_dpo.h> -#include <vnet/fib/fib_table.h> - -/** - * A fixed MAC address to use as the source MAC for packets L3 switched - * onto the routed uu-fwd interfaces. - * Magic values - origin lost to the mists of time... - */ -/* *INDENT-OFF* */ -const static mac_address_t GBP_ROUTED_SRC_MAC = { - .bytes = { - 0x0, 0x22, 0xBD, 0xF8, 0x19, 0xFF, - } -}; - -const static mac_address_t GBP_ROUTED_DST_MAC = { - .bytes = { - 00, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, - } -}; -/* *INDENT-ON* */ - -/** - * Pool of GBP route_domains - */ -gbp_route_domain_t *gbp_route_domain_pool; - -/** - * DB of route_domains - */ -typedef struct gbp_route_domain_db_t -{ - uword *gbd_by_rd_id; -} gbp_route_domain_db_t; - -static gbp_route_domain_db_t gbp_route_domain_db; -static fib_source_t gbp_fib_source; - -/** - * logger - */ -vlib_log_class_t grd_logger; - -#define GBP_BD_DBG(...) \ - vlib_log_debug (grd_logger, __VA_ARGS__); - -index_t -gbp_route_domain_index (const gbp_route_domain_t * grd) -{ - return (grd - gbp_route_domain_pool); -} - -gbp_route_domain_t * -gbp_route_domain_get (index_t i) -{ - return (pool_elt_at_index (gbp_route_domain_pool, i)); -} - -static void -gbp_route_domain_lock (index_t i) -{ - gbp_route_domain_t *grd; - - grd = gbp_route_domain_get (i); - grd->grd_locks++; -} - -index_t -gbp_route_domain_find (u32 rd_id) -{ - uword *p; - - p = hash_get (gbp_route_domain_db.gbd_by_rd_id, rd_id); - - if (NULL != p) - return p[0]; - - return (INDEX_INVALID); -} - -index_t -gbp_route_domain_find_and_lock (u32 rd_id) -{ - index_t grdi; - - grdi = gbp_route_domain_find (rd_id); - - if (INDEX_INVALID != grdi) - { - gbp_route_domain_lock (grdi); - } - return (grdi); -} - -static void -gbp_route_domain_db_add (gbp_route_domain_t * grd) -{ - index_t grdi = grd - gbp_route_domain_pool; - - hash_set (gbp_route_domain_db.gbd_by_rd_id, grd->grd_id, grdi); -} - -static void -gbp_route_domain_db_remove (gbp_route_domain_t * grd) -{ - hash_unset (gbp_route_domain_db.gbd_by_rd_id, grd->grd_id); -} - -int -gbp_route_domain_add_and_lock (u32 rd_id, - gbp_scope_t scope, - u32 ip4_table_id, - u32 ip6_table_id, - u32 ip4_uu_sw_if_index, u32 ip6_uu_sw_if_index) -{ - gbp_route_domain_t *grd; - index_t grdi; - - grdi = gbp_route_domain_find (rd_id); - - if (INDEX_INVALID == grdi) - { - fib_protocol_t fproto; - - pool_get_zero (gbp_route_domain_pool, grd); - - grd->grd_id = rd_id; - grd->grd_scope = scope; - grd->grd_table_id[FIB_PROTOCOL_IP4] = ip4_table_id; - grd->grd_table_id[FIB_PROTOCOL_IP6] = ip6_table_id; - grd->grd_uu_sw_if_index[FIB_PROTOCOL_IP4] = ip4_uu_sw_if_index; - grd->grd_uu_sw_if_index[FIB_PROTOCOL_IP6] = ip6_uu_sw_if_index; - - FOR_EACH_FIB_IP_PROTOCOL (fproto) - { - grd->grd_fib_index[fproto] = - fib_table_find_or_create_and_lock (fproto, - grd->grd_table_id[fproto], - gbp_fib_source); - - if (~0 != grd->grd_uu_sw_if_index[fproto]) - { - ethernet_header_t *eth; - u8 *rewrite; - - rewrite = NULL; - vec_validate (rewrite, sizeof (*eth) - 1); - eth = (ethernet_header_t *) rewrite; - - eth->type = clib_host_to_net_u16 ((fproto == FIB_PROTOCOL_IP4 ? - ETHERNET_TYPE_IP4 : - ETHERNET_TYPE_IP6)); - - mac_address_to_bytes (gbp_route_domain_get_local_mac (), - eth->src_address); - mac_address_to_bytes (gbp_route_domain_get_remote_mac (), - eth->dst_address); - - /* - * create an adjacency out of the uu-fwd interfaces that will - * be used when adding subnet routes. - */ - grd->grd_adj[fproto] = - adj_nbr_add_or_lock_w_rewrite (fproto, - fib_proto_to_link (fproto), - &ADJ_BCAST_ADDR, - grd->grd_uu_sw_if_index[fproto], - rewrite); - } - else - { - grd->grd_adj[fproto] = INDEX_INVALID; - } - } - - gbp_route_domain_db_add (grd); - } - else - { - grd = gbp_route_domain_get (grdi); - } - - grd->grd_locks++; - GBP_BD_DBG ("add: %U", format_gbp_route_domain, grd); - - return (0); -} - -void -gbp_route_domain_unlock (index_t index) -{ - gbp_route_domain_t *grd; - - grd = gbp_route_domain_get (index); - - grd->grd_locks--; - - if (0 == grd->grd_locks) - { - fib_protocol_t fproto; - - GBP_BD_DBG ("destroy: %U", format_gbp_route_domain, grd); - - FOR_EACH_FIB_IP_PROTOCOL (fproto) - { - fib_table_unlock (grd->grd_fib_index[fproto], fproto, gbp_fib_source); - if (INDEX_INVALID != grd->grd_adj[fproto]) - adj_unlock (grd->grd_adj[fproto]); - } - - gbp_route_domain_db_remove (grd); - - pool_put (gbp_route_domain_pool, grd); - } -} - -u32 -gbp_route_domain_get_rd_id (index_t grdi) -{ - gbp_route_domain_t *grd; - - grd = gbp_route_domain_get (grdi); - - return (grd->grd_id); -} - -gbp_scope_t -gbp_route_domain_get_scope (index_t grdi) -{ - gbp_route_domain_t *grd; - - grd = gbp_route_domain_get (grdi); - - return (grd->grd_scope); -} - -int -gbp_route_domain_delete (u32 rd_id) -{ - index_t grdi; - - GBP_BD_DBG ("del: %d", rd_id); - grdi = gbp_route_domain_find (rd_id); - - if (INDEX_INVALID != grdi) - { - GBP_BD_DBG ("del: %U", format_gbp_route_domain, - gbp_route_domain_get (grdi)); - gbp_route_domain_unlock (grdi); - - return (0); - } - - return (VNET_API_ERROR_NO_SUCH_ENTRY); -} - -const mac_address_t * -gbp_route_domain_get_local_mac (void) -{ - return (&GBP_ROUTED_SRC_MAC); -} - -const mac_address_t * -gbp_route_domain_get_remote_mac (void) -{ - return (&GBP_ROUTED_DST_MAC); -} - -void -gbp_route_domain_walk (gbp_route_domain_cb_t cb, void *ctx) -{ - gbp_route_domain_t *gbpe; - - /* *INDENT-OFF* */ - pool_foreach (gbpe, gbp_route_domain_pool) - { - if (!cb(gbpe, ctx)) - break; - } - /* *INDENT-ON* */ -} - -static clib_error_t * -gbp_route_domain_cli (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vnet_main_t *vnm = vnet_get_main (); - u32 ip4_uu_sw_if_index = ~0; - u32 ip6_uu_sw_if_index = ~0; - u32 ip4_table_id = ~0; - u32 ip6_table_id = ~0; - u32 scope = ~0; - u32 rd_id = ~0; - u8 add = 1; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "ip4-uu %U", unformat_vnet_sw_interface, - vnm, &ip4_uu_sw_if_index)) - ; - else if (unformat (input, "ip6-uu %U", unformat_vnet_sw_interface, - vnm, &ip6_uu_sw_if_index)) - ; - else if (unformat (input, "ip4-table-id %d", &ip4_table_id)) - ; - else if (unformat (input, "ip6-table-id %d", &ip6_table_id)) - ; - else if (unformat (input, "add")) - add = 1; - else if (unformat (input, "del")) - add = 0; - else if (unformat (input, "rd %d", &rd_id)) - ; - else if (unformat (input, "scope %d", &scope)) - ; - else - break; - } - - if (~0 == rd_id) - return clib_error_return (0, "RD-ID must be specified"); - - if (add) - { - if (~0 == ip4_table_id) - return clib_error_return (0, "IP4 table-ID must be specified"); - if (~0 == ip6_table_id) - return clib_error_return (0, "IP6 table-ID must be specified"); - - gbp_route_domain_add_and_lock (rd_id, scope, - ip4_table_id, - ip6_table_id, - ip4_uu_sw_if_index, ip6_uu_sw_if_index); - } - else - gbp_route_domain_delete (rd_id); - - return (NULL); -} - -/*? - * Configure a GBP route-domain - * - * @cliexpar - * @cliexstart{gbp route-domain [del] rd <ID> ip4-table-id <ID> ip6-table-id <ID> [ip4-uu <interface>] [ip6-uu <interface>]} - * @cliexend - ?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gbp_route_domain_cli_node, static) = { - .path = "gbp route-domain", - .short_help = "gbp route-domain [del] rd <ID> ip4-table-id <ID> ip6-table-id <ID> [ip4-uu <interface>] [ip6-uu <interface>]", - .function = gbp_route_domain_cli, -}; - -u8 * -format_gbp_route_domain (u8 * s, va_list * args) -{ - gbp_route_domain_t *grd = va_arg (*args, gbp_route_domain_t*); - vnet_main_t *vnm = vnet_get_main (); - - if (NULL != grd) - s = format (s, "[%d] rd:%d ip4-uu:%U ip6-uu:%U locks:%d", - grd - gbp_route_domain_pool, - grd->grd_id, - format_vnet_sw_if_index_name, vnm, grd->grd_uu_sw_if_index[FIB_PROTOCOL_IP4], - format_vnet_sw_if_index_name, vnm, grd->grd_uu_sw_if_index[FIB_PROTOCOL_IP6], - grd->grd_locks); - else - s = format (s, "NULL"); - - return (s); -} - -static int -gbp_route_domain_show_one (gbp_route_domain_t *gb, void *ctx) -{ - vlib_main_t *vm; - - vm = ctx; - vlib_cli_output (vm, " %U",format_gbp_route_domain, gb); - - return (1); -} - -static clib_error_t * -gbp_route_domain_show (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vlib_cli_output (vm, "Route-Domains:"); - gbp_route_domain_walk (gbp_route_domain_show_one, vm); - - return (NULL); -} - -/*? - * Show Group Based Policy Route_Domains and derived information - * - * @cliexpar - * @cliexstart{show gbp route_domain} - * @cliexend - ?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gbp_route_domain_show_node, static) = { - .path = "show gbp route-domain", - .short_help = "show gbp route-domain\n", - .function = gbp_route_domain_show, -}; -/* *INDENT-ON* */ - -static clib_error_t * -gbp_route_domain_init (vlib_main_t * vm) -{ - grd_logger = vlib_log_register_class ("gbp", "rd"); - gbp_fib_source = fib_source_allocate ("gbp-rd", - FIB_SOURCE_PRIORITY_HI, - FIB_SOURCE_BH_DROP); - - return (NULL); -} - -VLIB_INIT_FUNCTION (gbp_route_domain_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |