mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-17 07:54:54 +08:00
054d5575cd
Seems like a potential copy-paste bug slipped in here,
the second memcpy should of course be populating src
and not dest.
Fixes: ab95465cde ("net/sched: add vlan push_eth and pop_eth action to the hardware IR")
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Link: https://lore.kernel.org/r/20220323092506.21639-1-louis.peens@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
|
|
*/
|
|
|
|
#ifndef __NET_TC_VLAN_H
|
|
#define __NET_TC_VLAN_H
|
|
|
|
#include <net/act_api.h>
|
|
#include <linux/tc_act/tc_vlan.h>
|
|
|
|
struct tcf_vlan_params {
|
|
int tcfv_action;
|
|
unsigned char tcfv_push_dst[ETH_ALEN];
|
|
unsigned char tcfv_push_src[ETH_ALEN];
|
|
u16 tcfv_push_vid;
|
|
__be16 tcfv_push_proto;
|
|
u8 tcfv_push_prio;
|
|
bool tcfv_push_prio_exists;
|
|
struct rcu_head rcu;
|
|
};
|
|
|
|
struct tcf_vlan {
|
|
struct tc_action common;
|
|
struct tcf_vlan_params __rcu *vlan_p;
|
|
};
|
|
#define to_vlan(a) ((struct tcf_vlan *)a)
|
|
|
|
static inline bool is_tcf_vlan(const struct tc_action *a)
|
|
{
|
|
#ifdef CONFIG_NET_CLS_ACT
|
|
if (a->ops && a->ops->id == TCA_ID_VLAN)
|
|
return true;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
static inline u32 tcf_vlan_action(const struct tc_action *a)
|
|
{
|
|
u32 tcfv_action;
|
|
|
|
rcu_read_lock();
|
|
tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
|
|
rcu_read_unlock();
|
|
|
|
return tcfv_action;
|
|
}
|
|
|
|
static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
|
|
{
|
|
u16 tcfv_push_vid;
|
|
|
|
rcu_read_lock();
|
|
tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
|
|
rcu_read_unlock();
|
|
|
|
return tcfv_push_vid;
|
|
}
|
|
|
|
static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
|
|
{
|
|
__be16 tcfv_push_proto;
|
|
|
|
rcu_read_lock();
|
|
tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
|
|
rcu_read_unlock();
|
|
|
|
return tcfv_push_proto;
|
|
}
|
|
|
|
static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
|
|
{
|
|
u8 tcfv_push_prio;
|
|
|
|
rcu_read_lock();
|
|
tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
|
|
rcu_read_unlock();
|
|
|
|
return tcfv_push_prio;
|
|
}
|
|
|
|
static inline void tcf_vlan_push_eth(unsigned char *src, unsigned char *dest,
|
|
const struct tc_action *a)
|
|
{
|
|
rcu_read_lock();
|
|
memcpy(dest, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_dst, ETH_ALEN);
|
|
memcpy(src, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_src, ETH_ALEN);
|
|
rcu_read_unlock();
|
|
}
|
|
|
|
#endif /* __NET_TC_VLAN_H */
|