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linux/include/net/tc_act/tc_csum.h
Eric Dumazet ba9dc9c140 net_sched: act_csum: use RCU in tcf_csum_dump()
Also storing tcf_action into struct tcf_csum_params
makes sure there is no discrepancy in tcf_csum_act().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250709090204.797558-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-11 16:01:16 -07:00

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643 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_TC_CSUM_H
#define __NET_TC_CSUM_H
#include <linux/types.h>
#include <net/act_api.h>
#include <linux/tc_act/tc_csum.h>
struct tcf_csum_params {
u32 update_flags;
int action;
struct rcu_head rcu;
};
struct tcf_csum {
struct tc_action common;
struct tcf_csum_params __rcu *params;
};
#define to_tcf_csum(a) ((struct tcf_csum *)a)
static inline u32 tcf_csum_update_flags(const struct tc_action *a)
{
u32 update_flags;
rcu_read_lock();
update_flags = rcu_dereference(to_tcf_csum(a)->params)->update_flags;
rcu_read_unlock();
return update_flags;
}
#endif /* __NET_TC_CSUM_H */