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-rw-r--r--include/net/ioam6.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/include/net/ioam6.h b/include/net/ioam6.h
new file mode 100644
index 000000000..781d2d8b2
--- /dev/null
+++ b/include/net/ioam6.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * IPv6 IOAM implementation
+ *
+ * Author:
+ * Justin Iurman <justin.iurman@uliege.be>
+ */
+
+#ifndef _NET_IOAM6_H
+#define _NET_IOAM6_H
+
+#include <linux/net.h>
+#include <linux/ipv6.h>
+#include <linux/ioam6.h>
+#include <linux/rhashtable-types.h>
+
+struct ioam6_namespace {
+ struct rhash_head head;
+ struct rcu_head rcu;
+
+ struct ioam6_schema __rcu *schema;
+
+ __be16 id;
+ __be32 data;
+ __be64 data_wide;
+};
+
+struct ioam6_schema {
+ struct rhash_head head;
+ struct rcu_head rcu;
+
+ struct ioam6_namespace __rcu *ns;
+
+ u32 id;
+ int len;
+ __be32 hdr;
+
+ u8 data[];
+};
+
+struct ioam6_pernet_data {
+ struct mutex lock;
+ struct rhashtable namespaces;
+ struct rhashtable schemas;
+};
+
+static inline struct ioam6_pernet_data *ioam6_pernet(struct net *net)
+{
+#if IS_ENABLED(CONFIG_IPV6)
+ return net->ipv6.ioam6_data;
+#else
+ return NULL;
+#endif
+}
+
+struct ioam6_namespace *ioam6_namespace(struct net *net, __be16 id);
+void ioam6_fill_trace_data(struct sk_buff *skb,
+ struct ioam6_namespace *ns,
+ struct ioam6_trace_hdr *trace,
+ bool is_input);
+
+int ioam6_init(void);
+void ioam6_exit(void);
+
+int ioam6_iptunnel_init(void);
+void ioam6_iptunnel_exit(void);
+
+#endif /* _NET_IOAM6_H */