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/*
* 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 in %U",
format_gbp_itf, gx->gx_itf,
format_gbp_bridge_domain, gx->gx_bd));
}
int
gbp_ext_itf_add (u32 sw_if_index, u32 bd_id, u32 rd_id)
{
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;
gx->gx_itf = sw_if_index;
FOR_EACH_FIB_IP_PROTOCOL (fproto)
{
gx->gx_fib_index[fproto] =
gr->grd_fib_index[fib_proto_to_dpo (fproto)];
}
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_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);
}
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:
*/
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