linux/tc_act/tc_mpls.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 /* Copyright (C) 2019 Netronome Systems, Inc. */
0003
0004 #ifndef __LINUX_TC_MPLS_H
0005 #define __LINUX_TC_MPLS_H
0006
0007 #include <linux/pkt_cls.h>
0008
0009 #define TCA_MPLS_ACT_POP    1
0010 #define TCA_MPLS_ACT_PUSH   2
0011 #define TCA_MPLS_ACT_MODIFY 3
0012 #define TCA_MPLS_ACT_DEC_TTL    4
0013 #define TCA_MPLS_ACT_MAC_PUSH   5
0014
0015 struct tc_mpls {
0016     tc_gen;     /* generic TC action fields. */
0017     int m_action;   /* action of type TCA_MPLS_ACT_*. */
0018 };
0019
0020 enum {
0021     TCA_MPLS_UNSPEC,
0022     TCA_MPLS_TM,    /* struct tcf_t; time values associated with action. */
0023     TCA_MPLS_PARMS, /* struct tc_mpls; action type and general TC fields. */
0024     TCA_MPLS_PAD,
0025     TCA_MPLS_PROTO, /* be16; eth_type of pushed or next (for pop) header. */
0026     TCA_MPLS_LABEL, /* u32; MPLS label. Lower 20 bits are used. */
0027     TCA_MPLS_TC,    /* u8; MPLS TC field. Lower 3 bits are used. */
0028     TCA_MPLS_TTL,   /* u8; MPLS TTL field. Must not be 0. */
0029     TCA_MPLS_BOS,   /* u8; MPLS BOS field. Either 1 or 0. */
0030     __TCA_MPLS_MAX,
0031 };
0032 #define TCA_MPLS_MAX (__TCA_MPLS_MAX - 1)
0033
0034 #endif