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/*
* Copyright (c) 2017-2019 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/vnet.h>
#include <vnet/dpo/dpo.h>
#include <vlib/vlib.h>
#include "face_ip.h"
#include "dpo_ip.h"
#include "../face.h"
#define HICN_FACE_NONE 0
#define HICN_FACE_DELETE 1
#define HICN_FACE_ADD 2
static clib_error_t *
hicn_face_ip_cli_set_command_fn (vlib_main_t * vm,
unformat_input_t * main_input,
vlib_cli_command_t * cmd)
{
vnet_main_t *vnm = vnet_get_main ();
ip46_address_t local_addr;
ip46_address_t remote_addr;
hicn_face_id_t face_id = HICN_FACE_NULL;
int ret = HICN_ERROR_NONE;
int sw_if;
int face_op = HICN_FACE_NONE;
ip46_address_reset (&local_addr);
/* Get a line of input. */
unformat_input_t _line_input, *line_input = &_line_input;
if (!unformat_user (main_input, unformat_line_input, line_input))
{
return (0);
}
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "del"))
{
if (unformat (line_input, "id %d", &face_id))
face_op = HICN_FACE_DELETE;
else
{
return clib_error_return (0, "missing face id");
}
}
else if (unformat (line_input, "add"))
{
face_op = HICN_FACE_ADD;
if (unformat (line_input, "local %U",
unformat_ip46_address, &local_addr, IP46_TYPE_ANY));
if (unformat (line_input, "remote %U intfc %U",
unformat_ip46_address, &remote_addr,
IP46_TYPE_ANY, unformat_vnet_sw_interface, vnm,
&sw_if));
else
{
return clib_error_return (0, "%s '%U'",
get_error_string
(HICN_ERROR_CLI_INVAL),
format_unformat_error, line_input);
}
}
else
{
return clib_error_return (0, "%s '%U'",
get_error_string (HICN_ERROR_CLI_INVAL),
format_unformat_error, line_input);
}
}
if (face_id != HICN_FACE_NULL)
{
if (!hicn_dpoi_idx_is_valid (face_id))
{
return clib_error_return (0, "%s, face_id %d not valid",
get_error_string (ret), face_id);
}
}
int rv;
switch (face_op)
{
case HICN_FACE_ADD:
/* Check for presence of next hop address */
if ((remote_addr.as_u64[0] == (u64) 0)
&& (remote_addr.as_u64[1] == (u64) 0))
{
return clib_error_return (0, "next hop address not specified");
}
if (ip46_address_is_zero (&local_addr))
{
if (!vnet_sw_interface_is_valid (vnm, sw_if))
return clib_error_return (0, "interface not valid");
if (ip46_address_is_ip4 (&remote_addr))
{
ip_interface_address_t *interface_address;
ip4_address_t *addr =
ip4_interface_address_matching_destination (&ip4_main,
&remote_addr.ip4,
sw_if,
&interface_address);
if (addr == NULL)
addr = ip4_interface_first_address (&ip4_main,
sw_if,
&interface_address);
if (addr == NULL)
return clib_error_return (0,
"no valid ip address on interface %d",
sw_if);
ip46_address_set_ip4 (&local_addr, addr);
}
else
{
ip_interface_address_t *interface_address;
ip6_interface_address_matching_destination (&ip6_main,
&remote_addr.ip6,
sw_if,
&interface_address);
ip6_address_t *addr = NULL;
if (interface_address != NULL)
addr =
(ip6_address_t *)
ip_interface_address_get_address (&ip6_main.lookup_main,
interface_address);
if (addr == NULL)
addr = ip6_interface_first_address (&ip6_main, sw_if);
if (addr == NULL)
return clib_error_return (0,
"no valid ip address on interface %d",
sw_if);
ip46_address_set_ip6 (&local_addr, addr);
}
}
rv = hicn_face_ip_add (&local_addr, &remote_addr, sw_if, &face_id);
if (rv == HICN_ERROR_NONE)
{
vlib_cli_output (vm, "Face id: %d", face_id);
}
else
{
return clib_error_return (0, get_error_string (rv));
}
break;
case HICN_FACE_DELETE:
rv = hicn_face_ip_del (face_id);
if (rv == HICN_ERROR_NONE)
{
vlib_cli_output (vm, "Face %d deleted", face_id);
}
else
{
return clib_error_return (0, get_error_string (rv));
}
break;
default:
return clib_error_return (0, "Operation (%d) not implemented", face_op);
break;
}
return (rv == HICN_ERROR_NONE) ? 0 : clib_error_return (0, "%s\n",
get_error_string
(rv));
}
/* cli declaration for 'cfg face' */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (hicn_face_ip_cli_set_command, static) =
{
.path = "hicn face ip",
.short_help = "hicn face ip {add local <src_address> remote <dst_address> intfc <sw_if>} | {del id <face_id>}",
.function = hicn_face_ip_cli_set_command_fn,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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