netdev - [PATCH bpf-next v4 02/22] tools: include: add ethtool

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Date:   Sat, 21 Aug 2021 05:49:50 +0530
From:   Kumar Kartikeya Dwivedi <memxor@...il.com>
To:     bpf@...r.kernel.org
Cc:     Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        netdev@...r.kernel.org
Subject: [PATCH bpf-next v4 02/22] tools: include: add ethtool_drvinfo definition to UAPI header

Instead of copying the whole header in, just add the struct definitions
we need for now. In the future it can be synced as a copy of in-tree
header if required.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@...il.com>
---
 tools/include/uapi/linux/ethtool.h | 53 ++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/tools/include/uapi/linux/ethtool.h b/tools/include/uapi/linux/ethtool.h
index c86c3e942df9..47afae3895ec 100644
--- a/tools/include/uapi/linux/ethtool.h
+++ b/tools/include/uapi/linux/ethtool.h
@@ -48,4 +48,57 @@ struct ethtool_channels {
 	__u32	combined_count;
 };
 
+#define ETHTOOL_FWVERS_LEN	32
+#define ETHTOOL_BUSINFO_LEN	32
+#define ETHTOOL_EROMVERS_LEN	32
+
+/**
+ * struct ethtool_drvinfo - general driver and device information
+ * @cmd: Command number = %ETHTOOL_GDRVINFO
+ * @driver: Driver short name.  This should normally match the name
+ *	in its bus driver structure (e.g. pci_driver::name).  Must
+ *	not be an empty string.
+ * @version: Driver version string; may be an empty string
+ * @fw_version: Firmware version string; may be an empty string
+ * @erom_version: Expansion ROM version string; may be an empty string
+ * @bus_info: Device bus address.  This should match the dev_name()
+ *	string for the underlying bus device, if there is one.  May be
+ *	an empty string.
+ * @reserved2: Reserved for future use; see the note on reserved space.
+ * @n_priv_flags: Number of flags valid for %ETHTOOL_GPFLAGS and
+ *	%ETHTOOL_SPFLAGS commands; also the number of strings in the
+ *	%ETH_SS_PRIV_FLAGS set
+ * @n_stats: Number of u64 statistics returned by the %ETHTOOL_GSTATS
+ *	command; also the number of strings in the %ETH_SS_STATS set
+ * @testinfo_len: Number of results returned by the %ETHTOOL_TEST
+ *	command; also the number of strings in the %ETH_SS_TEST set
+ * @eedump_len: Size of EEPROM accessible through the %ETHTOOL_GEEPROM
+ *	and %ETHTOOL_SEEPROM commands, in bytes
+ * @regdump_len: Size of register dump returned by the %ETHTOOL_GREGS
+ *	command, in bytes
+ *
+ * Users can use the %ETHTOOL_GSSET_INFO command to get the number of
+ * strings in any string set (from Linux 2.6.34).
+ *
+ * Drivers should set at most @driver, @version, @fw_version and
+ * @bus_info in their get_drvinfo() implementation.  The ethtool
+ * core fills in the other fields using other driver operations.
+ */
+struct ethtool_drvinfo {
+	__u32	cmd;
+	char	driver[32];
+	char	version[32];
+	char	fw_version[ETHTOOL_FWVERS_LEN];
+	char	bus_info[ETHTOOL_BUSINFO_LEN];
+	char	erom_version[ETHTOOL_EROMVERS_LEN];
+	char	reserved2[12];
+	__u32	n_priv_flags;
+	__u32	n_stats;
+	__u32	testinfo_len;
+	__u32	eedump_len;
+	__u32	regdump_len;
+};
+
+#define ETHTOOL_GDRVINFO	0x00000003
+
 #endif /* _UAPI_LINUX_ETHTOOL_H */
-- 
2.33.0