svn commit: r294398 - stable/10/sys/dev/sfxge/common

[Andrew Rybchenko]

Author: arybchik
Date: Wed Jan 20 08:18:43 2016
New Revision: 294398
URL: https://svnweb.freebsd.org/changeset/base/294398

Log:
  MFC r294254
  
  sfxge: support RFID-selectable segments of dynamic configuration
  
  tlv_partition_header has field *preset* to support RFID-selectable
  segments of dynamic configuration
  
  Submitted by:   Mateusz Wrzesinski <mwrzesinski at solarflare.com>
  Sponsored by:   Solarflare Communications, Inc.

Modified:
  stable/10/sys/dev/sfxge/common/ef10_tlv_layout.h
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/dev/sfxge/common/ef10_tlv_layout.h
==============================================================================
--- stable/10/sys/dev/sfxge/common/ef10_tlv_layout.h	Wed Jan 20 08:17:28 2016	(r294397)
+++ stable/10/sys/dev/sfxge/common/ef10_tlv_layout.h	Wed Jan 20 08:18:43 2016	(r294398)
@@ -113,7 +113,11 @@ struct tlv_partition_header {
   uint32_t tag;
   uint32_t length;
   uint16_t type_id;
-  uint16_t reserved;
+/* 0 indicates the default segment (always located at offset 0), while other values
+ * are for RFID-selectable presets that should immediately follow the default segment.
+ * The default segment may also have preset > 0, which means that it is a preset
+ * selected through an RFID command and copied by FW to the location at offset 0. */
+  uint16_t preset;
   uint32_t generation;
   uint32_t total_length;
 };