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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#ifndef __NET_TC_VLAN_H
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#define __NET_TC_VLAN_H
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#include <net/act_api.h>
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#include <linux/tc_act/tc_vlan.h>
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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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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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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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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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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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return tcfv_action;
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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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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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return tcfv_push_vid;
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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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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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return tcfv_push_proto;
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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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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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return tcfv_push_prio;
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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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#endif /* __NET_TC_VLAN_H */
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