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Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/proto/bcmeth.h')
-rw-r--r--drivers/net/wireless/bcmdhd/include/proto/bcmeth.h62
1 files changed, 46 insertions, 16 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/proto/bcmeth.h b/drivers/net/wireless/bcmdhd/include/proto/bcmeth.h
index e54b2e3..50d9bdc 100644
--- a/drivers/net/wireless/bcmdhd/include/proto/bcmeth.h
+++ b/drivers/net/wireless/bcmdhd/include/proto/bcmeth.h
@@ -1,7 +1,7 @@
/*
* Broadcom Ethernettype protocol definitions
*
- * Copyright (C) 1999-2012, Broadcom Corporation
+ * Copyright (C) 1999-2014, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
@@ -21,10 +21,12 @@
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
- * $Id: bcmeth.h 294352 2011-11-06 19:23:00Z $
+ * $Id: bcmeth.h 382882 2013-02-04 23:24:31Z $
*/
-
+/*
+ * Broadcom Ethernet protocol defines
+ */
#ifndef _BCMETH_H_
#define _BCMETH_H_
@@ -33,14 +35,39 @@
#include <typedefs.h>
#endif
-
+/* This marks the start of a packed structure section. */
#include <packed_section_start.h>
+/* ETHER_TYPE_BRCM is defined in ethernet.h */
+/*
+ * Following the 2byte BRCM ether_type is a 16bit BRCM subtype field
+ * in one of two formats: (only subtypes 32768-65535 are in use now)
+ *
+ * subtypes 0-32767:
+ * 8 bit subtype (0-127)
+ * 8 bit length in bytes (0-255)
+ *
+ * subtypes 32768-65535:
+ * 16 bit big-endian subtype
+ * 16 bit big-endian length in bytes (0-65535)
+ *
+ * length is the number of additional bytes beyond the 4 or 6 byte header
+ *
+ * Reserved values:
+ * 0 reserved
+ * 5-15 reserved for iLine protocol assignments
+ * 17-126 reserved, assignable
+ * 127 reserved
+ * 32768 reserved
+ * 32769-65534 reserved, assignable
+ * 65535 reserved
+ */
-
-
-
+/*
+ * While adding the subtypes and their specific processing code make sure
+ * bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition
+ */
#define BCMILCP_SUBTYPE_RATE 1
#define BCMILCP_SUBTYPE_LINK 2
@@ -57,26 +84,29 @@
#define BCMILCP_BCM_SUBTYPE_RESERVED 0
#define BCMILCP_BCM_SUBTYPE_EVENT 1
#define BCMILCP_BCM_SUBTYPE_SES 2
-
-
+/*
+ * The EAPOL type is not used anymore. Instead EAPOL messages are now embedded
+ * within BCMILCP_BCM_SUBTYPE_EVENT type messages
+ */
+/* #define BCMILCP_BCM_SUBTYPE_EAPOL 3 */
#define BCMILCP_BCM_SUBTYPE_DPT 4
#define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8
#define BCMILCP_BCM_SUBTYPEHDR_VERSION 0
-
+/* These fields are stored in network order */
typedef BWL_PRE_PACKED_STRUCT struct bcmeth_hdr
{
- uint16 subtype;
+ uint16 subtype; /* Vendor specific..32769 */
uint16 length;
- uint8 version;
- uint8 oui[3];
-
+ uint8 version; /* Version is 0 */
+ uint8 oui[3]; /* Broadcom OUI */
+ /* user specific Data */
uint16 usr_subtype;
} BWL_POST_PACKED_STRUCT bcmeth_hdr_t;
-
+/* This marks the end of a packed structure section. */
#include <packed_section_end.h>
-#endif
+#endif /* _BCMETH_H_ */