From e480cf487a0d77ead8fa606532ead1e35eb2426f Mon Sep 17 00:00:00 2001 From: Olivier Matz Date: Tue, 23 Oct 2018 09:46:48 +0200 Subject: [PATCH] net: add MPLS header structure Add the Mpls header structure in librte_net. It will be used by next patch that adds the support of Mpls L2 layer in the software packet type parser. Signed-off-by: Olivier Matz Reviewed-by: Ferruh Yigit --- lib/librte_net/Makefile | 2 +- lib/librte_net/meson.build | 3 ++- lib/librte_net/rte_mpls.h | 42 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 45 insertions(+), 2 deletions(-) create mode 100644 lib/librte_net/rte_mpls.h diff --git a/lib/librte_net/Makefile b/lib/librte_net/Makefile index 85e403f417..c3082069ab 100644 --- a/lib/librte_net/Makefile +++ b/lib/librte_net/Makefile @@ -20,6 +20,6 @@ SRCS-$(CONFIG_RTE_LIBRTE_NET) += rte_arp.c SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include := rte_ip.h rte_tcp.h rte_udp.h rte_esp.h SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_sctp.h rte_icmp.h rte_arp.h SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_ether.h rte_gre.h rte_net.h -SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_net_crc.h +SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_net_crc.h rte_mpls.h include $(RTE_SDK)/mk/rte.lib.mk diff --git a/lib/librte_net/meson.build b/lib/librte_net/meson.build index d3ea1feb5b..7d66f693cb 100644 --- a/lib/librte_net/meson.build +++ b/lib/librte_net/meson.build @@ -13,7 +13,8 @@ headers = files('rte_ip.h', 'rte_ether.h', 'rte_gre.h', 'rte_net.h', - 'rte_net_crc.h') + 'rte_net_crc.h', + 'rte_mpls.h') sources = files('rte_arp.c', 'rte_net.c', 'rte_net_crc.c') deps += ['mbuf'] diff --git a/lib/librte_net/rte_mpls.h b/lib/librte_net/rte_mpls.h new file mode 100644 index 0000000000..11d26ba35d --- /dev/null +++ b/lib/librte_net/rte_mpls.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016 6WIND S.A. + */ + +#ifndef _RTE_MPLS_H_ +#define _RTE_MPLS_H_ + +/** + * @file + * + * MPLS-related defines + */ + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * MPLS header. + */ +struct mpls_hdr { + uint16_t tag_msb; /**< Label(msb). */ +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint8_t tag_lsb:4; /**< Label(lsb). */ + uint8_t tc:3; /**< Traffic class. */ + uint8_t bs:1; /**< Bottom of stack. */ +#else + uint8_t bs:1; /**< Bottom of stack. */ + uint8_t tc:3; /**< Traffic class. */ + uint8_t tag_lsb:4; /**< label(lsb) */ +#endif + uint8_t ttl; /**< Time to live. */ +} __attribute__((__packed__)); + +#ifdef __cplusplus +} +#endif + +#endif /* RTE_MPLS_H_ */ -- 2.20.1