From 2a5fcae954f992cf558eb91c83aa4c5a880a6bdc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:50:40 +0200
Subject: Adding upstream version 1:6.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 netlink/prettymsg.h | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 netlink/prettymsg.h

(limited to 'netlink/prettymsg.h')

diff --git a/netlink/prettymsg.h b/netlink/prettymsg.h
new file mode 100644
index 0000000..8ca1db3
--- /dev/null
+++ b/netlink/prettymsg.h
@@ -0,0 +1,146 @@
+/*
+ * prettymsg.h - human readable message dump
+ *
+ * Support for pretty print of an ethtool netlink message
+ */
+
+#ifndef ETHTOOL_NETLINK_PRETTYMSG_H__
+#define ETHTOOL_NETLINK_PRETTYMSG_H__
+
+#include <linux/netlink.h>
+
+/* data structures for message format descriptions */
+
+enum pretty_nla_format {
+	NLA_INVALID,
+	NLA_BINARY,
+	NLA_U8,
+	NLA_U16,
+	NLA_U32,
+	NLA_U64,
+	NLA_X8,
+	NLA_X16,
+	NLA_X32,
+	NLA_X64,
+	NLA_S8,
+	NLA_S16,
+	NLA_S32,
+	NLA_S64,
+	NLA_STRING,
+	NLA_FLAG,
+	NLA_BOOL,
+	NLA_NESTED,
+	NLA_ARRAY,
+	NLA_U8_ENUM,
+	NLA_U32_ENUM,
+};
+
+struct pretty_nla_desc {
+	enum pretty_nla_format		format;
+	const char			*name;
+	union {
+		const struct pretty_nla_desc	*children;
+		const char			*const *names;
+	};
+	union {
+		unsigned int			n_children;
+		unsigned int			n_names;
+	};
+};
+
+struct pretty_nlmsg_desc {
+	const char			*name;
+	const struct pretty_nla_desc	*attrs;
+	unsigned int			n_attrs;
+};
+
+/* helper macros for message format descriptions */
+
+#define NLATTR_DESC(_name, _fmt) \
+	[_name] = { \
+		.format = _fmt, \
+		.name = #_name, \
+	}
+
+#define NLATTR_DESC_INVALID(_name)	NLATTR_DESC(_name, NLA_INVALID)
+#define NLATTR_DESC_U8(_name)		NLATTR_DESC(_name, NLA_U8)
+#define NLATTR_DESC_U16(_name)		NLATTR_DESC(_name, NLA_U16)
+#define NLATTR_DESC_U32(_name)		NLATTR_DESC(_name, NLA_U32)
+#define NLATTR_DESC_U64(_name)		NLATTR_DESC(_name, NLA_U64)
+#define NLATTR_DESC_X8(_name)		NLATTR_DESC(_name, NLA_X8)
+#define NLATTR_DESC_X16(_name)		NLATTR_DESC(_name, NLA_X16)
+#define NLATTR_DESC_X32(_name)		NLATTR_DESC(_name, NLA_X32)
+#define NLATTR_DESC_X64(_name)		NLATTR_DESC(_name, NLA_X64)
+#define NLATTR_DESC_S8(_name)		NLATTR_DESC(_name, NLA_U8)
+#define NLATTR_DESC_S16(_name)		NLATTR_DESC(_name, NLA_U16)
+#define NLATTR_DESC_S32(_name)		NLATTR_DESC(_name, NLA_U32)
+#define NLATTR_DESC_S64(_name)		NLATTR_DESC(_name, NLA_S64)
+#define NLATTR_DESC_STRING(_name)	NLATTR_DESC(_name, NLA_STRING)
+#define NLATTR_DESC_FLAG(_name)		NLATTR_DESC(_name, NLA_FLAG)
+#define NLATTR_DESC_BOOL(_name)		NLATTR_DESC(_name, NLA_BOOL)
+#define NLATTR_DESC_BINARY(_name)	NLATTR_DESC(_name, NLA_BINARY)
+
+#define NLATTR_DESC_NESTED(_name, _children_desc) \
+	[_name] = { \
+		.format = NLA_NESTED, \
+		.name = #_name, \
+		.children = __ ## _children_desc ## _desc, \
+		.n_children = ARRAY_SIZE(__ ## _children_desc ## _desc), \
+	}
+#define NLATTR_DESC_NESTED_NODESC(_name) NLATTR_DESC(_name, NLA_NESTED)
+#define NLATTR_DESC_ARRAY(_name, _children_desc) \
+	[_name] = { \
+		.format = NLA_ARRAY, \
+		.name = #_name, \
+		.children = __ ## _children_desc ## _desc, \
+		.n_children = 1, \
+	}
+#define NLATTR_DESC_U8_ENUM(_name, _names_table) \
+	[_name] = { \
+		.format = NLA_U8_ENUM, \
+		.name = #_name, \
+		.names = __ ## _names_table ## _names, \
+		.n_children = ARRAY_SIZE(__ ## _names_table ## _names), \
+	}
+#define NLATTR_DESC_U32_ENUM(_name, _names_table) \
+	[_name] = { \
+		.format = NLA_U32_ENUM, \
+		.name = #_name, \
+		.names = __ ## _names_table ## _names, \
+		.n_children = ARRAY_SIZE(__ ## _names_table ## _names), \
+	}
+
+#define NLMSG_DESC(_name, _attrs) \
+	[_name] = { \
+		.name = #_name, \
+		.attrs = __ ## _attrs ## _desc, \
+		.n_attrs = ARRAY_SIZE(__ ## _attrs ## _desc), \
+	}
+
+#define NLMSG_DESC_INVALID(_name) \
+	[_name] = { \
+		.name = #_name, \
+	}
+
+/* function to pretty print a genetlink message */
+int pretty_print_genlmsg(const struct nlmsghdr *nlhdr,
+			 const struct pretty_nlmsg_desc *desc,
+			 unsigned int ndesc, unsigned int err_offset);
+int pretty_print_rtnlmsg(const struct nlmsghdr *nlhdr, unsigned int err_offset);
+
+/* message descriptions */
+
+extern const struct pretty_nlmsg_desc ethnl_umsg_desc[];
+extern const unsigned int ethnl_umsg_n_desc;
+extern const struct pretty_nlmsg_desc ethnl_kmsg_desc[];
+extern const unsigned int ethnl_kmsg_n_desc;
+
+extern const struct pretty_nlmsg_desc genlctrl_msg_desc[];
+extern const unsigned int genlctrl_msg_n_desc;
+
+extern const struct pretty_nlmsg_desc rtnl_msg_desc[];
+extern const unsigned int rtnl_msg_n_desc;
+extern const unsigned short rtnl_msghdr_lengths[];
+extern const unsigned int rtnl_msghdr_n_len;
+
+#endif /* ETHTOOL_NETLINK_PRETTYMSG_H__ */
-- 
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