- 根目录:
- drivers
- staging
- wlags49_h2
- dhf.c
/**************************************************************************************************************
*
* FILE : DHF.C
*
* DATE : $Date: 2004/07/19 08:16:14 $ $Revision: 1.2 $
* Original : 2004/05/28 14:05:34 Revision: 1.36 Tag: hcf7_t20040602_01
* Original : 2004/05/11 06:22:57 Revision: 1.32 Tag: hcf7_t7_20040513_01
* Original : 2004/04/15 09:24:42 Revision: 1.28 Tag: hcf7_t7_20040415_01
* Original : 2004/04/08 15:18:16 Revision: 1.27 Tag: t7_20040413_01
* Original : 2004/04/01 15:32:55 Revision: 1.25 Tag: t7_20040401_01
* Original : 2004/03/10 15:39:28 Revision: 1.21 Tag: t20040310_01
* Original : 2004/03/04 11:03:37 Revision: 1.19 Tag: t20040304_01
* Original : 2004/03/02 09:27:11 Revision: 1.17 Tag: t20040302_03
* Original : 2004/02/24 13:00:28 Revision: 1.15 Tag: t20040224_01
* Original : 2004/02/19 10:57:28 Revision: 1.14 Tag: t20040219_01
* Original : 2003/11/27 09:00:09 Revision: 1.3 Tag: t20021216_01
*
* AUTHOR : John Meertens
* Nico Valster
*
* SPECIFICATION: ........
*
* DESC : generic functions to handle the download of NIC firmware
* Local Support Routines for above procedures
*
* Customizable via HCFCFG.H, which is included by HCF.H
*
*
* DHF is (intended to be) platform-independent.
* DHF is a module that provides a number of routines to download firmware
* images (the names primary, station, access point, secondary and tertiary
* are used or have been used) to volatile or nonvolatile memory
* in WaveLAN/IEEE NICs. To achieve this DHF makes use of the WaveLAN/IEEE
* WCI as implemented by the HCF-module.
*
* Download to non-volatile memory is used to update a WaveLAN/IEEE NIC to new
* firmware. Normally this will be an upgrade to newer firmware, although
* downgrading to older firmware is possible too.
*
* Note: relative to Asserts, the following can be observed:
* Since the IFB is not known inside the routine, the macro HCFASSERT is replaced with MMDASSERT.
* Also the line number reported in the assert is raised by FILE_NAME_OFFSET (10000) to discriminate the
* DHF Asserts from HCF and MMD asserts.
*
***************************************************************************************************************
*
*
* SOFTWARE LICENSE
*
* This software is provided subject to the following terms and conditions,
* which you should read carefully before using the software. Using this
* software indicates your acceptance of these terms and conditions. If you do
* not agree with these terms and conditions, do not use the software.
*
* COPYRIGHT (C) 1999 - 2000 by Lucent Technologies. All Rights Reserved
* COPYRIGHT (C) 2001 - 2004 by Agere Systems Inc. All Rights Reserved
* All rights reserved.
*
* Redistribution and use in source or binary forms, with or without
* modifications, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following Disclaimer as comments in the code as
* well as in the documentation and/or other materials provided with the
* distribution.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following Disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name of Agere Systems Inc. nor the names of the contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* Disclaimer
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
* USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
* RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*
**************************************************************************************************************/
#include "hcf.h"
#include "hcfdef.h"
#include "dhf.h"
#include "mmd.h"
/* to distinguish MMD from HCF asserts by means of line number */
#undef FILE_NAME_OFFSET
#define FILE_NAME_OFFSET MMD_FILE_NAME_OFFSET
/*-----------------------------------------------------------------------------
*
* Defines, data structures, and global variables
*
*---------------------------------------------------------------------------*/
/* 12345678901234 */
char signature[14] = "FUPU7D37dhfwci";
/*-----------------------------------------------------------------------------
*
* LTV-records retrieved from the NIC to:
* - determine compatibility between NIC and image
* - ((setup the buffer size dynamically for non-volatile download (see note below) ))
* - supply plugging information contained in the PDA (H-I only)
*
*---------------------------------------------------------------------------*/
/* for USB/H1 we needed a smaller value than the CFG_DL_BUF_STRCT reported 8192
for the time being it seems simpler to always use 2000 for USB/H1 as well as all other cases rather than
using the "fixed anyway" CFG_DL_BUF_STRCT. */
#define DL_SIZE 2000
/* CFG_IDENTITY_STRCT pri_identity = { LOF(CFG_IDENTITY_STRCT), CFG_PRI_IDENTITY }; */
CFG_SUP_RANGE_STRCT mfi_sup = { LOF(CFG_SUP_RANGE_STRCT), CFG_NIC_MFI_SUP_RANGE };
CFG_SUP_RANGE_STRCT cfi_sup = { LOF(CFG_SUP_RANGE_STRCT), CFG_NIC_CFI_SUP_RANGE };
/* Note: could be used rather than the above explained and defined DL_SIZE if need arises
* CFG_DL_BUF_STRCT dl_buf = { LOF(CFG_DL_BUF_STRCT), CFG_DL_BUF };
*/
/*-----------------------------------------------------------------------------
* Array ltv_info stores NIC information (in the form of LTV-records)
* needed for download. A NULL record indicates the end of the array.
*---------------------------------------------------------------------------*/
/* The LTV_INFO_STRUCT is needed to save the sizes of the structs, because after a GET_INFO()
* the len field is changed to the real len of the RID by the called routine.
* This is only relevant if the DHF used without reloading the driver/utility.
*/
LTV_INFO_STRUCT ltv_info[] = {
{ (LTVP)&mfi_sup, LOF(CFG_SUP_RANGE_STRCT) } ,
{ (LTVP)&cfi_sup, LOF(CFG_SUP_RANGE_STRCT) } ,
{ (LTVP) NULL, 0 }
};
/***********************************************************************************************************/
/*************************************** PROTOTYPES ******************************************************/
/***********************************************************************************************************/
static int check_comp_fw(memimage *fw);
/************************************************************************************************************
*.SUBMODULE int check_comp_fw( memimage *fw )
*.PURPOSE Checks compatibility of CFI and MFI, NIC as supplier, station/AP firmware image as supplier.
*
*.ARGUMENTS
* fw F/W image to be downloaded
*
*.RETURNS
* HFC_SUCCESS - firmware OK
* DHF_ERR_INCOMP_FW
*
*.DESCRIPTION
* This function uses compatibility and identity information that has been
* retrieved from the card which is currently inserted to check whether the
* station firmware image to be downloaded is compatible.
*.ENDDOC END DOCUMENTATION
*************************************************************************************************************/
int
check_comp_fw(memimage *fw)
{
CFG_RANGE20_STRCT *p;
int rc = HCF_SUCCESS;
CFG_RANGE_SPEC_STRCT *i;
switch (fw->identity->typ) {
case CFG_FW_IDENTITY: /* Station F/W */
case COMP_ID_FW_AP_FAKE: /* ;?is this useful (used to be: CFG_AP_IDENTITY) */
break;
default:
MMDASSERT(DO_ASSERT, fw->identity->typ) /* unknown/unsupported firmware_type: */
rc = DHF_ERR_INCOMP_FW;
return rc; /* ;? how useful is this anyway,
* till that is sorted out might as well violate my own single exit principle
*/
}
p = fw->compat;
i = NULL;
while (p->len && i == NULL) { /* check the MFI ranges */
if (p->typ == CFG_MFI_ACT_RANGES_STA) {
i = mmd_check_comp((void *)p, &mfi_sup);
}
p++;
}
MMDASSERT(i, 0) /* MFI: NIC Supplier not compatible with F/W image Actor */
if (i) {
p = fw->compat;
i = NULL;
while (p->len && i == NULL) { /* check the CFI ranges */
if (p->typ == CFG_CFI_ACT_RANGES_STA) {
i = mmd_check_comp((void *)p, &cfi_sup);
}
p++;
}
MMDASSERT(i, 0) /* CFI: NIC Supplier not compatible with F/W image Actor */
}
if (i == NULL) {
rc = DHF_ERR_INCOMP_FW;
}
return rc;
} /* check_comp_fw */
/*-----------------------------------------------------------------------------
*
* Exported functions
*
*---------------------------------------------------------------------------*/
/*************************************************************************************************************
*
*.MODULE int dhf_download_binary( void *ifbp, memimage *fw )
*.PURPOSE Downloads a complete (primary, station, or access point) firmware image to the NIC.
*
*.ARGUMENTS
* ifbp address of the Interface Block
* fw F/W image to be downloaded
*
*.RETURNS
* HCF_SUCCESS - download completed successfully.
* DHF_ERR_INCOMP_FW - firmware not compatible
*
*.DESCRIPTION
* Initialize global variables
* Connect to the DHF
* Check the compatibility of the image (For primary firmware images it is checked first
* whether download is necessary).
* If everything's download the firmware.
* Disconnect from the DHF.
*
*
*.DIAGRAM
*
*.NOTICE:
MMDASSERT is unacceptable because some drivers call dhf_download_binary before hcf_connect
* The old comment was:
*.ENDDOC END DOCUMENTATION
*************************************************************************************************************/
int
dhf_download_binary(memimage *fw)
{
int rc = HCF_SUCCESS;
CFG_PROG_STRCT *p;
int i;
/* validate the image */
for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++)
; /* NOP */
if (i != sizeof(signature) ||
fw->signature[i] != 0x01 ||
/* test for Little/Big Endian Binary flag */
fw->signature[i+1] != (/* HCF_BIG_ENDIAN ? 'B' : */ 'L'))
rc = DHF_ERR_INCOMP_FW;
else { /* Little Endian Binary format */
fw->codep = (CFG_PROG_STRCT FAR*)((char *)fw->codep + (hcf_32)fw);
fw->identity = (CFG_IDENTITY_STRCT FAR*)((char *)fw->identity + (hcf_32)fw);
fw->compat = (CFG_RANGE20_STRCT FAR*)((char *)fw->compat + (hcf_32)fw);
for (i = 0; fw->p[i]; i++)
fw->p[i] = ((char *)fw->p[i] + (hcf_32)fw);
p = fw->codep;
while (p->len) {
p->host_addr = (char *)p->host_addr + (hcf_32)fw;
p++;
}
}
return rc;
} /* dhf_download_binary */
/*************************************************************************************************************
*
*.MODULE int dhf_download_fw( void *ifbp, memimage *fw )
*.PURPOSE Downloads a complete (primary or tertiary) firmware image to the NIC.
*
*.ARGUMENTS
* ifbp address of the Interface Block
* fw F/W image to be downloaded
*
*.RETURNS
* HCF_SUCCESS - download completed successfully.
* HCF_ERR_NO_NIC - no NIC present
* DHF_ERR_INCOMP_FW - firmware not compatible
*
*.DESCRIPTION
* - check the signature of the image
* - get the compatibility information from the components on the NIC
* - Primary Firmware Identity
* - Modem - Firmware I/F
* - Controller - Firmware I/F
*!! - if necessary ( i.e. H-I) get the PDA contents from the NIC
* - check the compatibility of the MFI and CFI of the NIC with the F/W image
* Note: the Primary F/W compatibility is only relevant for the "running" HCF and is already verified in
* hcf_connect
*!! - if necessary ( i.e. H-I)
*!! - verify the sumcheck of the PDA
*!! - plug the image (based on the PDA and the default plug records)
* - loop over all the download LTVs in the image which consists of a sequence of
* - CFG_PROG_VOLATILE/CFG_PROG_NON_VOLATILE
* - 1 or more sequences of CFG_PROG_ADDR, CFG_PROG_DATA,....,CFG_PROG_DATA
* - CFG_PROG_STOP
*
*.DIAGRAM
*
*.NOTICE
* The old comment was:
* // Download primary firmware if necessary and allowed. This is done silently (without telling
* // the user) and only if the firmware in the download image is newer than the firmware in the
* // card. In Major version 4 of the primary firmware functions of Hermes and Shark were
* // combined. Prior to that two separate versions existed. We only have to download primary
* // firmware if major version of primary firmware in the NIC < 4.
* // download = pri_identity.version_major < 4;
* // if ( download ) {
* // rc = check_comp_primary( fw );
* // }
* It is my understanding that Pri Variant 1 must be updated by Pri Variant 2. The test on
* major version < 4 should amount to the same result but be "principally" less correct
* In deliberation with the Architecture team, it was decided that this upgrade for old H-I
* NICs, is an aspect which belongs on the WSU level not on the DHF level
*
*.ENDDOC END DOCUMENTATION
*************************************************************************************************************/
int
dhf_download_fw(void *ifbp, memimage *fw)
{
int rc = HCF_SUCCESS;
LTV_INFO_STRUCT_PTR pp = ltv_info;
CFG_PROG_STRCT *p = fw->codep;
LTVP ltvp;
int i;
MMDASSERT(fw != NULL, 0)
/* validate the image */
for (i = 0; i < sizeof(signature) && fw->signature[i] == signature[i]; i++)
; /* NOP */
if (i != sizeof(signature) ||
fw->signature[i] != 0x01 ||
/* check for binary image */
(fw->signature[i+1] != 'C' && fw->signature[i+1] != (/*HCF_BIG_ENDIAN ? 'B' : */ 'L')))
rc = DHF_ERR_INCOMP_FW;
/* Retrieve all information needed for download from the NIC */
while ((rc == HCF_SUCCESS) && ((ltvp = pp->ltvp) != NULL)) {
ltvp->len = pp++->len; /* Set len to original len. This len is changed to real len by GET_INFO() */
rc = GET_INFO(ltvp);
MMDASSERT(rc == HCF_SUCCESS, rc)
MMDASSERT(rc == HCF_SUCCESS, ltvp->typ)
MMDASSERT(rc == HCF_SUCCESS, ltvp->len)
}
if (rc == HCF_SUCCESS)
rc = check_comp_fw(fw);
if (rc == HCF_SUCCESS) {
while (rc == HCF_SUCCESS && p->len) {
rc = PUT_INFO(p);
p++;
}
}
MMDASSERT(rc == HCF_SUCCESS, rc)
return rc;
} /* dhf_download_fw */