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Current File : //usr/src/linux-headers-5.15.0-170/include/linux/if_hsr.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_IF_HSR_H_
#define _LINUX_IF_HSR_H_

/* used to differentiate various protocols */
enum hsr_version {
	HSR_V0 = 0,
	HSR_V1,
	PRP_V1,
};

#if IS_ENABLED(CONFIG_HSR)
extern bool is_hsr_master(struct net_device *dev);
extern int hsr_get_version(struct net_device *dev, enum hsr_version *ver);
#else
static inline bool is_hsr_master(struct net_device *dev)
{
	return false;
}
static inline int hsr_get_version(struct net_device *dev,
				  enum hsr_version *ver)
{
	return -EINVAL;
}
#endif /* CONFIG_HSR */

#endif /*_LINUX_IF_HSR_H_*/