92 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-or-later */
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| /*
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|  * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
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|  */
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| 
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| #ifndef __NET_TC_VLAN_H
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| #define __NET_TC_VLAN_H
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| 
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| #include <net/act_api.h>
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| #include <linux/tc_act/tc_vlan.h>
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| 
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| struct tcf_vlan_params {
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| 	int               tcfv_action;
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| 	unsigned char     tcfv_push_dst[ETH_ALEN];
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| 	unsigned char     tcfv_push_src[ETH_ALEN];
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| 	u16               tcfv_push_vid;
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| 	__be16            tcfv_push_proto;
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| 	u8                tcfv_push_prio;
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| 	bool              tcfv_push_prio_exists;
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| 	struct rcu_head   rcu;
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| };
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| 
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| struct tcf_vlan {
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| 	struct tc_action	common;
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| 	struct tcf_vlan_params __rcu *vlan_p;
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| };
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| #define to_vlan(a) ((struct tcf_vlan *)a)
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| 
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| static inline bool is_tcf_vlan(const struct tc_action *a)
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| {
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| #ifdef CONFIG_NET_CLS_ACT
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| 	if (a->ops && a->ops->id == TCA_ID_VLAN)
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| 		return true;
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| #endif
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| 	return false;
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| }
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| 
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| static inline u32 tcf_vlan_action(const struct tc_action *a)
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| {
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| 	u32 tcfv_action;
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| 
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| 	rcu_read_lock();
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| 	tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
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| 	rcu_read_unlock();
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| 
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| 	return tcfv_action;
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| }
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| 
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| static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
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| {
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| 	u16 tcfv_push_vid;
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| 
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| 	rcu_read_lock();
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| 	tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
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| 	rcu_read_unlock();
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| 
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| 	return tcfv_push_vid;
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| }
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| 
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| static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
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| {
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| 	__be16 tcfv_push_proto;
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| 
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| 	rcu_read_lock();
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| 	tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
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| 	rcu_read_unlock();
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| 
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| 	return tcfv_push_proto;
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| }
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| 
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| static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
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| {
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| 	u8 tcfv_push_prio;
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| 
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| 	rcu_read_lock();
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| 	tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
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| 	rcu_read_unlock();
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| 
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| 	return tcfv_push_prio;
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| }
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| 
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| static inline void tcf_vlan_push_eth(unsigned char *src, unsigned char *dest,
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| 				     const struct tc_action *a)
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| {
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| 	rcu_read_lock();
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| 	memcpy(dest, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_dst, ETH_ALEN);
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| 	memcpy(src, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_src, ETH_ALEN);
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| 	rcu_read_unlock();
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| }
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| 
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| #endif /* __NET_TC_VLAN_H */
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