/*************************************************************************
* (C) 2010 AITNET - Sofia/Bulgaria - <office@aitbg.com>
* by Michael Pounov <misho@aitbg.com>
*
* $Author: misho $
* $Id: athctl.c,v 1.1.2.8 2010/10/29 07:32:52 misho Exp $
*
*************************************************************************/
#include "global.h"
#include "athctl.h"
int Verbose;
extern char compiled[], compiledby[], compilehost[];
static void
Usage()
{
printf( "athCtl is tool for Atheros WiFi cards managment \n"
"=== %s === %s@%s ===\n\n"
" Syntax: athctl [options] [[0xMemory_Address] new_value]\n"
" athctl [-v] -t [-i <iface_no>]\n"
" athctl [-v] -c <timeout> [-i <iface_no>]\n"
" athctl [-v] -d <distance> [-i <iface_no>]\n"
" athctl [-v] -r <0xoffset> <0xMemory_Address>\n"
" athctl [-v] -w <0xoffset> <0xMemory_Address> <uint16_value>\n"
" athctl [-v] -s <file> <0xMemory_Address>\n"
" athctl [-v] -w <file> <0xMemory_Address>\n"
"\n"
"\t-v\t\tVerbose ...\n"
"\t-t\t\tGet current Atheros maximum range in meters\n"
"\t-i <iface_no>\tApply to this Atheros interface number (like ath0 == 0)\n"
"\t-d <distance>\tMode distance, meters to target\n"
"\t-c <timeout>\tMode distance, mS timeouts correction\n"
"\t-s <file>\tDump EEPROM to file\n"
"\t-u <file>\tUpdate EEPROM from file\n"
"\t-r <offset>\tRead EEPROM word from PCI mapped memory address\n"
"\t-w <offset>\tWrite EEPROM word to PCI mapped memory address\n"
"\n", compiled, compiledby, compilehost);
}
static int
calcDistance(int ifid, int dist, int cor)
{
int slottime[2], timeout[2];
size_t len;
char szStr[STRSIZ];
slottime[0] = 9 + (dist / 300) + (dist % 300 ? 1 : 0);
timeout[0] = slottime[0] * 2 + 3 + cor;
VERB(3) printf("Info:: slottime=%d timeout=%d\n", slottime[0], timeout[0]);
memset(szStr, 0, STRSIZ);
snprintf(szStr, STRSIZ, SC_SLOTTIME, ifid);
if (sysctlbyname(szStr, NULL, &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, &slottime[1], &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, NULL, NULL, &slottime[0], sizeof slottime[0]) == -1) {
printf("Error:: set sysctl %s from %d #%d - %s\n", szStr, slottime[1],
errno, strerror(errno));
return -1;
} else
VERB(1) printf("Info:: set slottime(%d) from %d to %d ... OK!\n", len,
slottime[1], slottime[0]);
memset(szStr, 0, STRSIZ);
snprintf(szStr, STRSIZ, SC_ACKTIMEOUT, ifid);
if (sysctlbyname(szStr, NULL, &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, &timeout[1], &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, NULL, NULL, &timeout[0], sizeof timeout[0]) == -1) {
printf("Error:: set sysctl %s from %d #%d - %s\n", szStr, timeout[1],
errno, strerror(errno));
return -1;
} else
VERB(1) printf("Info:: set acktimeout(%d) from %d to %d ... OK!\n", len,
timeout[1], timeout[0]);
memset(szStr, 0, STRSIZ);
snprintf(szStr, STRSIZ, SC_CTSTIMEOUT, ifid);
if (sysctlbyname(szStr, NULL, &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, &timeout[1], &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, NULL, NULL, &timeout[0], sizeof timeout[0]) == -1) {
printf("Error:: set sysctl %s from %d #%d - %s\n", szStr, timeout[1],
errno, strerror(errno));
return -1;
} else
VERB(1) printf("Info:: set ctstimeout(%d) from %d to %d ... OK!\n", len,
timeout[1], timeout[0]);
return timeout[0];
}
static int
calcTimeout(int ifid, int cor)
{
int slottime[2], timeout[2];
size_t len;
char szStr[STRSIZ];
memset(szStr, 0, STRSIZ);
snprintf(szStr, STRSIZ, SC_SLOTTIME, ifid);
if (sysctlbyname(szStr, NULL, &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, &slottime[1], &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else
VERB(1) printf("Info:: get slottime(%d) %d ... OK!\n", len, slottime[1]);
memset(szStr, 0, STRSIZ);
snprintf(szStr, STRSIZ, SC_ACKTIMEOUT, ifid);
if (sysctlbyname(szStr, NULL, &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else if (sysctlbyname(szStr, &timeout[1], &len, NULL, 0) == -1) {
printf("Error:: get sysctl %s #%d - %s\n", szStr, errno, strerror(errno));
return -1;
} else
VERB(1) printf("Info:: get acktimeout(%d) %d ... OK!\n", len, timeout[1]);
slottime[0] = (timeout[1] - 3 - cor) / 2;
VERB(3) printf("Info:: calculated slottime=%d\n", slottime[0]);
timeout[0] = (slottime[0] - 10) * 300;
VERB(3) printf("Info:: calculated timeout=%d\n", timeout[0]);
return timeout[0];
}
static inline void *
devOpen(u_long baseaddr)
{
int fd;
void *basemem;
fd = open("/dev/mem", O_RDWR);
if (fd == -1) {
printf("Error:: open device #%d - %s\n", errno, strerror(errno));
return NULL;
}
basemem = mmap(NULL, ATH_PCI_MEM_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, baseaddr);
if (basemem == MAP_FAILED) {
printf("Error:: map device #%d - %s\n", errno, strerror(errno));
close(fd);
return NULL;
} else
close(fd);
return basemem;
}
static inline void
devClose(void *basemem)
{
if (basemem)
munmap(basemem, ATH_PCI_MEM_SIZE);
}
static inline int
readWord(u_char *mem, u_long offset)
{
register int timeout = ATH_ACCESS_TIMEOUT;
u_long stat;
VERB(2) printf("Reading EEPROM memory %p+%lx ...\n", mem, offset);
ATH_OUT(mem, AR5211_EEPROM_CONF, 0);
usleep(ATH_ACCESS_WAIT);
/* enable eeprom access */
ATH_OUT(mem, AR5211_EEPROM_COMD, ATH_IN(mem, AR5211_EEPROM_COMD) | AR5211_EEPROM_COMD_RESET);
usleep(ATH_ACCESS_WAIT);
/* set address */
ATH_OUT(mem, AR5211_EEPROM_ADDR, offset);
usleep(ATH_ACCESS_WAIT);
/* enable eeprom read access */
ATH_OUT(mem, AR5211_EEPROM_COMD, ATH_IN(mem, AR5211_EEPROM_COMD) | AR5211_EEPROM_COMD_READ);
usleep(ATH_ACCESS_WAIT);
while (timeout--) {
usleep(1);
stat = ATH_IN(mem, AR5211_EEPROM_STATUS);
if (stat & AR5211_EEPROM_STAT_RDDONE) {
if (stat & AR5211_EEPROM_STAT_RDERR) {
printf("Error:: EEPROM read failed!\n");
return -1;
}
stat = ATH_IN(mem, AR5211_EEPROM_DATA);
return (stat & 0x0000ffff) << 16;
}
}
printf("Error:: EEPROM read timeout!\n");
return -1;
}
static inline int
writeWord(u_char *mem, u_long offset, u_short newval)
{
register int i = ATH_WRITE_RETRY, timeout;
u_long pcicfg, stat;
u_short chk;
VERB(2) printf("Writing EEPROM memory %p+%lx ...\n", mem, offset);
/* enable pci write access */
pcicfg = ATH_IN(mem, AR5K_PCICFG);
ATH_OUT(mem, AR5K_PCICFG, (pcicfg & ~AR5K_PCICFG_SPWR_DN));
usleep(ATH_ACCESS_WAITDOWN);
ATH_OUT(mem, AR5K_PCICFG, pcicfg | AR5K_PCICFG_EEAE /* | 0x2 */);
usleep(ATH_ACCESS_WAITPCI);
ATH_OUT(mem, AR5211_EEPROM_STATUS, 0);
usleep(ATH_ACCESS_WAITPCI);
/* ATH_OUT(mem, AR5211_EEPROM_CONF, 1); */
ATH_OUT(mem, AR5211_EEPROM_CONF, 0);
do {
/* enable eeprom write access */
ATH_OUT(mem, AR5211_EEPROM_COMD, AR5211_EEPROM_COMD_RESET);
usleep(ATH_ACCESS_WAITDOWN);
ATH_OUT(mem, AR5211_EEPROM_DATA, newval);
usleep(ATH_ACCESS_WAIT);
ATH_OUT(mem, AR5211_EEPROM_ADDR, offset);
usleep(ATH_ACCESS_WAIT);
ATH_OUT(mem, AR5211_EEPROM_COMD, AR5211_EEPROM_COMD_WRITE);
usleep(ATH_ACCESS_WAIT);
for (timeout = ATH_ACCESS_TIMEOUT; timeout; timeout--) {
stat = ATH_IN(mem, AR5211_EEPROM_STATUS);
if (stat & 0xc) {
if (stat & AR5211_EEPROM_STAT_WRERR) {
printf("Error:: EEPROM write failed!\n");
return -1;
}
ATH_OUT(mem, AR5211_EEPROM_STATUS, 0);
usleep(ATH_ACCESS_WAIT * 2);
break;
}
usleep(ATH_ACCESS_WAIT * 2);
}
chk = readWord(mem, offset);
if (chk == (u_short) -1)
return -1;
if (chk == newval)
return chk << 16;
else
VERB(1) printf("Write & Read don`t match 0x%04X != 0x%04X\n", newval, chk);
if (i)
printf("Warning:: Retrying EEPROM write ...\n");
} while (--i);
printf("Error:: EEPROM write timeout!\n");
return -1;
}
static int
dumpFile(const char *csName, u_char *mem)
{
register u_long i;
u_short d1, d2;
u_short eeprom[ATH_EEPROM_SIZE] = { 0 };
int f, data;
VERB(2) printf("Reading EEPROM memory %p ::\n", mem);
for (i = 0; i < ATH_EEPROM_SIZE / 2; i++) {
if (!(i % 0x40)) {
printf("0x%04lX [", i * 2);
if (i)
printf("]\n");
}
if ((data = readWord(mem, i)) == -1)
return -1;
else {
d1 = ((u_short) data >> 16) / 0x100;
d2 = ((u_short) data >> 16) % 0x100;
}
eeprom[i * 2] = d2;
eeprom[i * 2 + 1] = d1;
printf(".");
usleep(ATH_ACCESS_WAITDOWN);
}
printf("]\n");
VERB(2) printf("Saving EEPROM to file %s ... ", csName);
f = open(csName, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (f == -1) {
printf("Failed!\nError:: in create file %s #%d - %s\n", csName,
errno, strerror(errno));
return 0;
}
if (write(f, eeprom, ATH_EEPROM_SIZE) == -1) {
printf("Failed!\nError:: in write to file %s #%d - %s\n", csName,
errno, strerror(errno));
close(f);
return 0;
}
close(f);
printf("OK!\n");
return 1;
}
static int
flashFile(const char *csName, u_char *mem)
{
register u_long i;
u_short d1;
u_short eeprom[ATH_EEPROM_SIZE] = { 0 };
int f, data;
VERB(2) printf("Reading EEPROM from file %s ... ", csName);
f = open(csName, O_RDONLY);
if (f == -1) {
printf("Failed!\nError:: in open file %s #%d - %s\n", csName,
errno, strerror(errno));
return 0;
}
if (read(f, eeprom, ATH_EEPROM_SIZE) != ATH_EEPROM_SIZE) {
printf("Failed!\nError:: failed load image from file %s\n", csName);
close(f);
return 0;
}
close(f);
printf("OK!\n");
VERB(2) printf("Writing EEPROM memory %p ::\n", mem);
for (i = 0; i < ATH_EEPROM_SIZE / 2; i++) {
if (!(i % 0x40)) {
printf("0x%04lX [", i * 2);
if (i)
printf("]\n");
}
if ((data = readWord(mem, i)) == -1)
return -1;
else
d1 = eeprom[i * 2 + 1] * 0x100 + eeprom[i * 2];
if ((data >> 16) == d1)
printf(".");
else {
printf("x");
if (writeWord(mem, i, d1) < 1)
return -1;
}
usleep(ATH_ACCESS_WAITDOWN);
}
printf("]\n");
return 0;
}
// ----------------------------------------------------
int
main(int argc, char **argv)
{
char ch, szName[MAXPATHLEN] = { 0 }, mode = 0;
int ret = 0, dist = 0, cor = 0, ino = 0;
u_long offset = 0, baseaddr = (u_long) -1;
u_short newval = 0;
void *basemem = NULL;
while ((ch = getopt(argc, argv, "hvtr:w:i:d:c:u:s:")) != -1)
switch (ch) {
case 'v':
Verbose++;
break;
case 't':
mode |= 2;
break;
case 'i':
ino = strtol(optarg, NULL, 0);
if (ino < 0) {
printf("Error:: in interface number %d\n", ino);
return 1;
}
break;
case 'd':
mode |= 1;
dist = strtol(optarg, NULL, 0);
if (dist < 1) {
printf("Error:: in distance meters %d\n", dist);
return 1;
}
break;
case 'c':
mode |= 1;
cor = strtol(optarg, NULL, 0);
break;
case 's':
mode = 0x10;
strlcpy(szName, optarg, MAXPATHLEN);
break;
case 'u':
mode = 0x20;
strlcpy(szName, optarg, MAXPATHLEN);
break;
case 'r':
mode = 4;
offset = strtoul(optarg, NULL, 0);
break;
case 'w':
mode = 8;
offset = strtoul(optarg, NULL, 0);
break;
case 'h':
default:
Usage();
return 1;
}
argc -= optind;
argv += optind;
if (argc && *argv)
baseaddr = strtoul(*argv, NULL, 0);
if (!mode) {
printf("Error:: not selected mode for operation ...\n");
return 1;
}
if (mode > 3 && baseaddr == (u_long) -1) {
printf("Error:: in this mode for operation, must give memory mapped address ...\n");
return 1;
}
if (mode & 8) {
if (!argv[1]) {
printf("Error:: in write word mode, must give memory mapped address and new value ...\n");
return 1;
} else
newval = (u_short) strtoul(argv[1], NULL, 0);
}
if (mode & 1)
if ((ret = calcDistance(ino, dist, cor)) < 1)
return 2;
if (mode & 2) {
if ((ret = calcTimeout(ino, cor)) < 1)
return 2;
else {
VERB(1)
printf("Maximum approximate distance ~%d meters\n", ret);
else
printf("~%d\n", ret);
}
}
if (mode & 4) {
if (!(basemem = devOpen(baseaddr)))
return 2;
if ((ret = readWord(basemem, offset)) == -1) {
devClose(basemem);
return 3;
} else
printf("EEPROM readed value 0x%04X\n", (u_short) ret >> 16);
devClose(basemem);
}
if (mode & 8) {
if (!(basemem = devOpen(baseaddr)))
return 2;
if ((ret = writeWord(basemem, offset, newval)) == -1) {
devClose(basemem);
return 3;
} else
printf("EEPROM writed value 0x%04X\n", (u_short) ret);
devClose(basemem);
}
if (mode & 0x10) {
if (!(basemem = devOpen(baseaddr)))
return 2;
if ((ret = dumpFile(szName, basemem)) < 1) {
devClose(basemem);
return 3;
}
devClose(basemem);
}
if (mode & 0x20) {
if (!(basemem = devOpen(baseaddr)))
return 2;
if ((ret = flashFile(szName, basemem)) < 1) {
devClose(basemem);
return 3;
}
devClose(basemem);
}
return 0;
}
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