Added definitions of Special-Purpose MPLS Label Values, with reference to IANA registry.
Signed-off-by: Morten Brørup <[email protected]> --- lib/net/rte_mpls.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/lib/net/rte_mpls.h b/lib/net/rte_mpls.h index 53614a0b88..39c69e1ea9 100644 --- a/lib/net/rte_mpls.h +++ b/lib/net/rte_mpls.h @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2016 6WIND S.A. + * Copyright(c) 2026 SmartShare Systems */ #ifndef _RTE_MPLS_H_ @@ -14,6 +15,24 @@ #include <stdint.h> #include <rte_byteorder.h> +/* + * Special-Purpose MPLS Label Values + * https://www.iana.org/assignments/mpls-label-values + */ +#define RTE_MPLS_LABEL_IPV4 0 /**< IPv4 Explicit NULL Label (RFC 3032). */ +#define RTE_MPLS_LABEL_ROUTER_ALERT 1 /**< Router Alert Label (RFC 3032). */ +#define RTE_MPLS_LABEL_IPV6 2 /**< IPv6 Explicit NULL Label (RFC 3032). */ +#define RTE_MPLS_LABEL_NULL 3 /**< Implicit NULL Label (RFC 3032). */ +#define RTE_MPLS_LABEL_MNA 4 /**< MPLS Network Actions (RFC 9994). */ +#define RTE_MPLS_LABEL_ELI 7 /**< Entropy Label Indicator (ELI) (RFC 6790). */ +#define RTE_MPLS_LABEL_GAL 13 /**< Generic Associated Channel Label (GAL) (RFC 5586). */ +#define RTE_MPLS_LABEL_OAM_ALERT 14 /**< OAM Alert Label (RFC 3429). */ +#define RTE_MPLS_LABEL_XL 15 /**< Extension Label (XL) (RFC 7274; RFC 9017). */ +/* Extended Special-Purpose MPLS Label Values (valid when following an Extension Label) */ +#define RTE_MPLS_LABEL_MLI 16 /**< Metadata Label Indicator (MLI) (RFC 8595). */ +#define RTE_MPLS_LABEL_MPI 17 /**< Metadata Present Indicator (MPI) (RFC 8595). */ +#define RTE_MPLS_LABEL_FLI 18 /**< Flow-ID Label Indicator (FLI) (RFC 9714). */ + /** * MPLS header. */ -- 2.43.0
