bnxt_en: Add support for ethtool get dump.

Add support to collect live firmware coredump via ethtool.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.h

@@ -0,0 +1,66 @@
+/* Broadcom NetXtreme-C/E network driver.
+ *
+ * Copyright (c) 2018 Broadcom Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ */
+
+#ifndef BNXT_COREDUMP_H
+#define BNXT_COREDUMP_H
+
+struct bnxt_coredump_segment_hdr {
+	__u8 signature[4];
+	__le32 component_id;
+	__le32 segment_id;
+	__le32 flags;
+	__u8 low_version;
+	__u8 high_version;
+	__le16 function_id;
+	__le32 offset;
+	__le32 length;
+	__le32 status;
+	__le32 duration;
+	__le32 data_offset;
+	__le32 instance;
+	__le32 rsvd[5];
+};
+
+struct bnxt_coredump_record {
+	__u8 signature[4];
+	__le32 flags;
+	__u8 low_version;
+	__u8 high_version;
+	__u8 asic_state;
+	__u8 rsvd0[5];
+	char system_name[32];
+	__le16 year;
+	__le16 month;
+	__le16 day;
+	__le16 hour;
+	__le16 minute;
+	__le16 second;
+	__le16 utc_bias;
+	__le16 rsvd1;
+	char commandline[256];
+	__le32 total_segments;
+	__le32 os_ver_major;
+	__le32 os_ver_minor;
+	__le32 rsvd2;
+	char os_name[32];
+	__le16 end_year;
+	__le16 end_month;
+	__le16 end_day;
+	__le16 end_hour;
+	__le16 end_minute;
+	__le16 end_second;
+	__le16 end_utc_bias;
+	__le32 asic_id1;
+	__le32 asic_id2;
+	__le32 coredump_status;
+	__u8 ioctl_low_version;
+	__u8 ioctl_high_version;
+	__le16 rsvd3[313];
+};
+#endif