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Diffstat (limited to 'include/linux/if_hsr.h')
-rw-r--r--include/linux/if_hsr.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/if_hsr.h b/include/linux/if_hsr.h
new file mode 100644
index 000000000000..38bbc537d4e4
--- /dev/null
+++ b/include/linux/if_hsr.h
@@ -0,0 +1,27 @@
+/* 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_*/