Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /include/net/tc_act/tc_mpls.h 
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (C) 2019 Netronome Systems, Inc. */

#ifndef __NET_TC_MPLS_H
#define __NET_TC_MPLS_H

#include <linux/tc_act/tc_mpls.h>
#include <net/act_api.h>

struct tcf_mpls_params {
	int tcfm_action;
	u32 tcfm_label;
	u8 tcfm_tc;
	u8 tcfm_ttl;
	u8 tcfm_bos;
	__be16 tcfm_proto;
	struct rcu_head	rcu;
};

#define ACT_MPLS_TC_NOT_SET	0xff
#define ACT_MPLS_BOS_NOT_SET	0xff
#define ACT_MPLS_LABEL_NOT_SET	0xffffffff

struct tcf_mpls {
	struct tc_action common;
	struct tcf_mpls_params __rcu *mpls_p;
};
#define to_mpls(a) ((struct tcf_mpls *)a)

static inline bool is_tcf_mpls(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
	if (a->ops && a->ops->id == TCA_ID_MPLS)
		return true;
#endif
	return false;
}

static inline u32 tcf_mpls_action(const struct tc_action *a)
{
	u32 tcfm_action;

	rcu_read_lock();
	tcfm_action = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_action;
	rcu_read_unlock();

	return tcfm_action;
}

static inline __be16 tcf_mpls_proto(const struct tc_action *a)
{
	__be16 tcfm_proto;

	rcu_read_lock();
	tcfm_proto = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_proto;
	rcu_read_unlock();

	return tcfm_proto;
}

static inline u32 tcf_mpls_label(const struct tc_action *a)
{
	u32 tcfm_label;

	rcu_read_lock();
	tcfm_label = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_label;
	rcu_read_unlock();

	return tcfm_label;
}

static inline u8 tcf_mpls_tc(const struct tc_action *a)
{
	u8 tcfm_tc;

	rcu_read_lock();
	tcfm_tc = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_tc;
	rcu_read_unlock();

	return tcfm_tc;
}

static inline u8 tcf_mpls_bos(const struct tc_action *a)
{
	u8 tcfm_bos;

	rcu_read_lock();
	tcfm_bos = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_bos;
	rcu_read_unlock();

	return tcfm_bos;
}

static inline u8 tcf_mpls_ttl(const struct tc_action *a)
{
	u8 tcfm_ttl;

	rcu_read_lock();
	tcfm_ttl = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_ttl;
	rcu_read_unlock();

	return tcfm_ttl;
}

#endif /* __NET_TC_MPLS_H */