[mirror_frr.git] / isisd / isis_vty_common.c

/*
 * IS-IS Rout(e)ing protocol - isis_vty_common.c
 *
 * This file contains the CLI that is shared between OpenFabric and IS-IS
 *
 * Copyright (C) 2001,2002   Sampo Saaristo
 *                           Tampere University of Technology
 *                           Institute of Communications Engineering
 * Copyright (C) 2016        David Lamparter, for NetDEF, Inc.
 * Copyright (C) 2018        Christian Franke, for NetDEF, Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public Licenseas published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>

#include "command.h"
#include "bfd.h"

#include "isis_circuit.h"
#include "isis_csm.h"
#include "isis_misc.h"
#include "isisd.h"
#include "isis_bfd.h"
#include "isis_vty_common.h"

struct isis_circuit *isis_circuit_lookup(struct vty *vty)
{
	struct interface *ifp = VTY_GET_CONTEXT(interface);
	struct isis_circuit *circuit;

	if (!ifp) {
		vty_out(vty, "Invalid interface \n");
		return NULL;
	}

	circuit = circuit_scan_by_ifp(ifp);
	if (!circuit) {
		vty_out(vty, "ISIS is not enabled on circuit %s\n", ifp->name);
		return NULL;
	}

	return circuit;
}

DEFUN (isis_bfd,
       isis_bfd_cmd,
       PROTO_NAME " bfd",
       PROTO_HELP
       "Enable BFD support\n")
{
	struct isis_circuit *circuit = isis_circuit_lookup(vty);

	if (!circuit)
		return CMD_ERR_NO_MATCH;

	if (circuit->bfd_info
	    && CHECK_FLAG(circuit->bfd_info->flags, BFD_FLAG_PARAM_CFG)) {
		return CMD_SUCCESS;
	}

	isis_bfd_circuit_param_set(circuit, BFD_DEF_MIN_RX,
				   BFD_DEF_MIN_TX, BFD_DEF_DETECT_MULT, true);

	return CMD_SUCCESS;
}

DEFUN (no_isis_bfd,
       no_isis_bfd_cmd,
       "no " PROTO_NAME " bfd",
       NO_STR
       PROTO_HELP
       "Disables BFD support\n"
)
{
	struct isis_circuit *circuit = isis_circuit_lookup(vty);

	if (!circuit)
		return CMD_ERR_NO_MATCH;

	if (!circuit->bfd_info)
		return CMD_SUCCESS;

	isis_bfd_circuit_cmd(circuit, ZEBRA_BFD_DEST_DEREGISTER);
	bfd_info_free(&circuit->bfd_info);
	return CMD_SUCCESS;
}

void isis_vty_init(void)
{
	install_element(INTERFACE_NODE, &isis_bfd_cmd);
	install_element(INTERFACE_NODE, &no_isis_bfd_cmd);

	isis_vty_daemon_init();
}
Commit	Line	Data
ef020087 CF	1	/*
	2	* IS-IS Rout(e)ing protocol - isis_vty_common.c
	3	*
	4	* This file contains the CLI that is shared between OpenFabric and IS-IS
	5	*
	6	* Copyright (C) 2001,2002 Sampo Saaristo
	7	* Tampere University of Technology
	8	* Institute of Communications Engineering
	9	* Copyright (C) 2016 David Lamparter, for NetDEF, Inc.
	10	* Copyright (C) 2018 Christian Franke, for NetDEF, Inc.
	11	*
	12	* This program is free software; you can redistribute it and/or modify it
	13	* under the terms of the GNU General Public Licenseas published by the Free
	14	* Software Foundation; either version 2 of the License, or (at your option)
	15	* any later version.
	16	*
	17	* This program is distributed in the hope that it will be useful,but WITHOUT
	18	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	19	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	20	* more details.
	21	*
	22	* You should have received a copy of the GNU General Public License along
	23	* with this program; see the file COPYING; if not, write to the Free Software
	24	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	25	*/
	26
	27	#include <zebra.h>
	28
	29	#include "command.h"
215eccb0	30	#include "bfd.h"
ef020087 CF	31
	32	#include "isis_circuit.h"
	33	#include "isis_csm.h"
	34	#include "isis_misc.h"
ef020087	35	#include "isisd.h"
215eccb0	36	#include "isis_bfd.h"
ef020087 CF	37	#include "isis_vty_common.h"
	38
	39	struct isis_circuit isis_circuit_lookup(struct vty vty)
	40	{
	41	struct interface *ifp = VTY_GET_CONTEXT(interface);
	42	struct isis_circuit *circuit;
	43
	44	if (!ifp) {
	45	vty_out(vty, "Invalid interface \n");
	46	return NULL;
	47	}
	48
	49	circuit = circuit_scan_by_ifp(ifp);
	50	if (!circuit) {
	51	vty_out(vty, "ISIS is not enabled on circuit %s\n", ifp->name);
	52	return NULL;
	53	}
	54
	55	return circuit;
	56	}
	57
215eccb0 CF	58	DEFUN (isis_bfd,
	59	isis_bfd_cmd,
	60	PROTO_NAME " bfd",
	61	PROTO_HELP
	62	"Enable BFD support\n")
	63	{
	64	struct isis_circuit *circuit = isis_circuit_lookup(vty);
5489eb45	65
215eccb0 CF	66	if (!circuit)
	67	return CMD_ERR_NO_MATCH;
	68
	69	if (circuit->bfd_info
	70	&& CHECK_FLAG(circuit->bfd_info->flags, BFD_FLAG_PARAM_CFG)) {
	71	return CMD_SUCCESS;
	72	}
	73
	74	isis_bfd_circuit_param_set(circuit, BFD_DEF_MIN_RX,
	75	BFD_DEF_MIN_TX, BFD_DEF_DETECT_MULT, true);
	76
	77	return CMD_SUCCESS;
	78	}
	79
215eccb0 CF	80	DEFUN (no_isis_bfd,
215eccb0 CF	81	no_isis_bfd_cmd,
215eccb0	82	"no " PROTO_NAME " bfd",
215eccb0 CF	83	NO_STR
	84	PROTO_HELP
	85	"Disables BFD support\n"
215eccb0 CF	86	)
	87	{
	88	struct isis_circuit *circuit = isis_circuit_lookup(vty);
5489eb45	89
215eccb0 CF	90	if (!circuit)
	91	return CMD_ERR_NO_MATCH;
	92
	93	if (!circuit->bfd_info)
	94	return CMD_SUCCESS;
	95
	96	isis_bfd_circuit_cmd(circuit, ZEBRA_BFD_DEST_DEREGISTER);
	97	bfd_info_free(&circuit->bfd_info);
	98	return CMD_SUCCESS;
	99	}
	100
ef020087 CF	101	void isis_vty_init(void)
ef020087 CF	102	{
215eccb0	103	install_element(INTERFACE_NODE, &isis_bfd_cmd);
215eccb0 CF	104	install_element(INTERFACE_NODE, &no_isis_bfd_cmd);
215eccb0 CF	105
ef020087 CF	106	isis_vty_daemon_init();
ef020087 CF	107	}