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  !   ˆl–Ðz¾”*ClÊq@‚àEp.©‹FÿÄ56¿Â  8           &   '   *   -   +%c %a %l  00 64 ISO-8859-1   *   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÅƒq¦^_†I|¥�+ÁÄ &    /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_TC_WRAPPER_H
#define __NET_TC_WRAPPER_H

#include <net/pkt_cls.h>

#if IS_ENABLED(CONFIG_MITIGATION_RETPOLINE)

#include <linux/cpufeature.h>
#include <linux/static_key.h>
#include <linux/indirect_call_wrapper.h>

#define TC_INDIRECT_SCOPE

extern struct static_key_false tc_skip_wrapper;

/* TC Actions */
#ifdef CONFIG_NET_CLS_ACT

#define TC_INDIRECT_ACTION_DECLARE(fname)                              \
	INDIRECT_CALLABLE_DECLARE(int fname(struct sk_buff *skb,       \
					    const struct tc_action *a, \
					    struct tcf_result *res))

TC_INDIRECT_ACTION_DECLARE(tcf_bpf_act);
TC_INDIRECT_ACTION_DECLARE(tcf_connmark_act);
TC_INDIRECT_ACTION_DECLARE(tcf_csum_act);
TC_INDIRECT_ACTION_DECLARE(tcf_ct_act);
TC_INDIRECT_ACTION_DECLARE(tcf_ctinfo_act);
TC_INDIRECT_ACTION_DECLARE(tcf_gact_act);
TC_INDIRECT_ACTION_DECLARE(tcf_gate_act);
TC_INDIRECT_ACTION_DECLARE(tcf_ife_act);
TC_INDIRECT_ACTION_DECLARE(tcf_ipt_act);
TC_INDIRECT_ACTION_DECLARE(tcf_mirred_act);
TC_INDIRECT_ACTION_DECLARE(tcf_mpls_act);
TC_INDIRECT_ACTION_DECLARE(tcf_nat_act);
TC_INDIRECT_ACTION_DECLARE(tcf_pedit_act);
TC_INDIRECT_ACTION_DECLARE(tcf_police_act);
TC_INDIRECT_ACTION_DECLARE(tcf_sample_act);
TC_INDIRECT_ACTION_DECLARE(tcf_simp_act);
TC_INDIRECT_ACTION_DECLARE(tcf_skbedit_act);
TC_INDIRECT_ACTION_DECLARE(tcf_skbmod_act);
TC_INDIRECT_ACTION_DECLARE(tcf_vlan_act);
TC_INDIRECT_ACTION_DECLARE(tunnel_key_act);

static inline int tc_act(struct sk_buff *skb, const struct tc_action *a,
			   struct tcf_result *res)
{
	if (static_branch_likely(&tc_skip_wrapper))
		goto skip;

#if IS_BUILTIN(CONFIG_NET_ACT_GACT)
	if (a->ops->act == tcf_gact_act)
		return tcf_gact_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_MIRRED)
	if (a->ops->act == tcf_mirred_act)
		return tcf_mirred_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_PEDIT)
	if (a->ops->act == tcf_pedit_act)
		return tcf_pedit_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_SKBEDIT)
	if (a->ops->act == tcf_skbedit_act)
		return tcf_skbedit_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_SKBMOD)
	if (a->ops->act == tcf_skbmod_act)
		return tcf_skbmod_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_POLICE)
	if (a->ops->act == tcf_police_act)
		return tcf_police_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_BPF)
	if (a->ops->act == tcf_bpf_act)
		return tcf_bpf_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_CONNMARK)
	if (a->ops->act == tcf_connmark_act)
		return tcf_connmark_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_CSUM)
	if (a->ops->act == tcf_csum_act)
		return tcf_csum_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_CT)
	if (a->ops->act == tcf_ct_act)
		return tcf_ct_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_CTINFO)
	if (a->ops->act == tcf_ctinfo_act)
		return tcf_ctinfo_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_GATE)
	if (a->ops->act == tcf_gate_act)
		return tcf_gate_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_MPLS)
	if (a->ops->act == tcf_mpls_act)
		return tcf_mpls_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_NAT)
	if (a->ops->act == tcf_nat_act)
		return tcf_nat_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_TUNNEL_KEY)
	if (a->ops->act == tunnel_key_act)
		return tunnel_key_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_VLAN)
	if (a->ops->act == tcf_vlan_act)
		return tcf_vlan_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_IFE)
	if (a->ops->act == tcf_ife_act)
		return tcf_ife_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_SIMP)
	if (a->ops->act == tcf_simp_act)
		return tcf_simp_act(skb, a, res);
#endif
#if IS_BUILTIN(CONFIG_NET_ACT_SAMPLE)
	if (a->ops->act == tcf_sample_act)
		return tcf_sample_act(skb, a, res);
#endif

skip:
	return a->ops->act(s