frr/isisd/isis_errors.h

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * ISIS-specific error messages.
 * Copyright (C) 2018 Cumulus Networks, Inc.
 *               Donald Sharp
 */

#ifndef __ISIS_ERRORS_H__
#define __ISIS_ERRORS_H__

#include "lib/ferr.h"

enum isis_log_refs {
	EC_ISIS_PACKET = ISIS_FERR_START,
	EC_ISIS_CONFIG,
	EC_ISIS_SID_OVERFLOW,
	EC_ISIS_SID_COLLISION,
};

extern void isis_error_init(void);

#endif
*: auto-convert to SPDX License IDs Done with a combination of regex'ing and banging my head against a wall. Signed-off-by: David Lamparter <equinox@opensourcerouting.org> 2023-02-08 13:17:09 +01:00			`// SPDX-License-Identifier: GPL-2.0-or-later`
isisd: Add isis_errors and generate custom Error Codes Generate appropriate error codes for ISIS. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com> 2018-06-18 20:56:15 +02:00			`/*`
: fix source file headers & includes for errcodes Use the correct license header * Stop headers from including themselves * Use uniform relative include conventions * Ensure that sources include what they use * Turn off clang-format around struct array blocks Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com> 2018-06-19 22:58:44 +02:00			`* ISIS-specific error messages.`
isisd: Add isis_errors and generate custom Error Codes Generate appropriate error codes for ISIS. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com> 2018-06-18 20:56:15 +02:00			`* Copyright (C) 2018 Cumulus Networks, Inc.`
			`* Donald Sharp`
			`*/`
: fix source file headers & includes for errcodes Use the correct license header * Stop headers from including themselves * Use uniform relative include conventions * Ensure that sources include what they use * Turn off clang-format around struct array blocks Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com> 2018-06-19 22:58:44 +02:00
isisd: Add isis_errors and generate custom Error Codes Generate appropriate error codes for ISIS. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com> 2018-06-18 20:56:15 +02:00			`#ifndef __ISIS_ERRORS_H__`
			`#define __ISIS_ERRORS_H__`

: fix source file headers & includes for errcodes Use the correct license header * Stop headers from including themselves * Use uniform relative include conventions * Ensure that sources include what they use * Turn off clang-format around struct array blocks Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com> 2018-06-19 22:58:44 +02:00			`#include "lib/ferr.h"`
isisd: Add isis_errors and generate custom Error Codes Generate appropriate error codes for ISIS. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com> 2018-06-18 20:56:15 +02:00
*: rename ferr_ref -> log_ref Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com> 2018-08-03 20:07:23 +02:00			`enum isis_log_refs {`
isisd: ISIS_[ERR\|WARN] -> EC_ISIS Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com> 2018-09-13 21:12:08 +02:00			`EC_ISIS_PACKET = ISIS_FERR_START,`
			`EC_ISIS_CONFIG,`
isisd: add support for segment routing This is an implementation of the IS-IS SR draft [1] for FRR. The following features are supported: * IPv4 and IPv6 Prefix-SIDs; * IPv4 and IPv6 Adj-SIDs and LAN-Adj-SIDs; * Index and absolute labels; * The no-php and explicit-null Prefix-SID flags; * Full integration with the Label Manager. Known limitations: * No support for Anycast-SIDs; * No support for the SID/Label Binding TLV (required for LDP interop). * No support for persistent Adj-SIDs; * No support for multiple SRGBs. [1] draft-ietf-isis-segment-routing-extensions-25 Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com> Signed-off-by: Renato Westphal <renato@opensourcerouting.org> 2019-08-04 03:02:37 +02:00			`EC_ISIS_SID_OVERFLOW,`
isisd: detect Prefix-SID collisions and handle them appropriately isisd relies on its YANG module to prevent the same SID index from being configured multiple times for different prefixes. It's possible, however, to have different routers assigning the same SID index for different prefixes. When that happens, we say we have a Prefix-SID collision, which is ultimately a misconfiguration issue. The problem with Prefix-SID collisions is that the Prefix-SID that is processed later overwrites the previous ones. Then, once the Prefix-SID collision is fixed in the configuration, the overwritten Prefix-SID isn't reinstalled since it's already marked as installed and it didn't change. To prevent such inconsistency from happening, add a safeguard in the SPF code to detect Prefix-SID collisions and handle them appropriately (i.e. log a warning + ignore the Prefix-SID Sub-TLV since it's already in use by another prefix). That way, once the configuration is fixed, no Prefix-SID label entry will be missing in the LFIB. Reported-by: Emanuele Di Pascale <emanuele@voltanet.io> Signed-off-by: Renato Westphal <renato@opensourcerouting.org> 2020-10-24 02:05:30 +02:00			`EC_ISIS_SID_COLLISION,`
isisd: Add isis_errors and generate custom Error Codes Generate appropriate error codes for ISIS. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com> 2018-06-18 20:56:15 +02:00			`};`

			`extern void isis_error_init(void);`

			`#endif`