1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_IF_HSR_H_
3 #define _LINUX_IF_HSR_H_
5 #include <linux/types.h>
9 /* used to differentiate various protocols */
17 * As defined in IEC-62439-3:2010, the HSR tag is really { ethertype = 0x88FB,
18 * path, LSDU_size, sequence Nr }. But we let eth_header() create { h_dest,
19 * h_source, h_proto = 0x88FB }, and add { path, LSDU_size, sequence Nr,
20 * encapsulated protocol } instead.
22 * Field names as defined in the IEC:2010 standard for HSR.
25 __be16 path_and_LSDU_size;
32 #if IS_ENABLED(CONFIG_HSR)
33 extern bool is_hsr_master(struct net_device *dev);
34 extern int hsr_get_version(struct net_device *dev, enum hsr_version *ver);
36 static inline bool is_hsr_master(struct net_device *dev)
40 static inline int hsr_get_version(struct net_device *dev,
41 enum hsr_version *ver)
45 #endif /* CONFIG_HSR */
47 #endif /*_LINUX_IF_HSR_H_*/