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iwinfo: implement proper hardware detection for ar23xx SoC devices like the NanoStation 2

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SVN-Revision: 30605
This commit is contained in:
Jo-Philipp Wich 2012-02-17 00:36:25 +00:00
parent e17a3ffbbd
commit 018d69c3b3
6 changed files with 78 additions and 77 deletions
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2
package/iwinfo/Makefile
View File

@ -7,7 +7,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=libiwinfo
PKG_RELEASE:=25
PKG_RELEASE:=26
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
PKG_CONFIG_DEPENDS := \

1
package/iwinfo/src/include/iwinfo.h
View File

@ -15,6 +15,7 @@
#include <stdint.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <net/if.h>
#include <errno.h>

2
package/iwinfo/src/include/iwinfo/utils.h
View File

@ -39,4 +39,6 @@ void iwinfo_close(void);
struct iwinfo_hardware_entry * iwinfo_hardware(struct iwinfo_hardware_id *id);
int iwinfo_hardware_id_from_mtd(struct iwinfo_hardware_id *id);
#endif

75
package/iwinfo/src/iwinfo_madwifi.c
View File

@ -988,40 +988,6 @@ int madwifi_get_mbssid_support(const char *ifname, int *buf)
return -1;
}
static void madwifi_proc_file(const char *ifname, const char *file,
char *buf, int blen)
{
int fd;
const char *wifi = madwifi_isvap(ifname, NULL);
if (!wifi && madwifi_iswifi(ifname))
wifi = ifname;
snprintf(buf, blen, "/proc/sys/dev/%s/%s", wifi, file);
if ((fd = open(buf, O_RDONLY)) > 0)
{
if (read(fd, buf, blen) > 1)
buf[strlen(buf)-1] = 0;
else
buf[0] = 0;
close(fd);
}
else
{
buf[0] = 0;
}
}
static int madwifi_startswith(const char *a, const char *b)
{
int l1 = strlen(a);
int l2 = strlen(b);
int ln = (l1 < l2) ? l1 : l2;
return !strncmp(a, b, ln);
}
int madwifi_get_hardware_id(const char *ifname, char *buf)
{
char vendor[64];
@ -1030,32 +996,7 @@ int madwifi_get_hardware_id(const char *ifname, char *buf)
struct iwinfo_hardware_entry *e;
if (wext_get_hardware_id(ifname, buf))
{
ids = (struct iwinfo_hardware_id *)buf;
madwifi_proc_file(ifname, "dev_vendor", vendor, sizeof(vendor));
madwifi_proc_file(ifname, "dev_name", device, sizeof(device));
if (vendor[0] && device[0])
{
for (e = IWINFO_HARDWARE_ENTRIES; e->vendor_name; e++)
{
if (!madwifi_startswith(vendor, e->vendor_name))
continue;
if (!madwifi_startswith(device, e->device_name))
continue;
ids->vendor_id = e->vendor_id;
ids->device_id = e->device_id;
ids->subsystem_vendor_id = e->subsystem_vendor_id;
ids->subsystem_device_id = e->subsystem_device_id;
return 0;
}
}
return -1;
}
return iwinfo_hardware_id_from_mtd((struct iwinfo_hardware_id *)buf);
return 0;
}
@ -1073,24 +1014,12 @@ madwifi_get_hardware_entry(const char *ifname)
int madwifi_get_hardware_name(const char *ifname, char *buf)
{
char vendor[64];
char device[64];
const struct iwinfo_hardware_entry *hw;
if (!(hw = madwifi_get_hardware_entry(ifname)))
{
madwifi_proc_file(ifname, "dev_vendor", vendor, sizeof(vendor));
madwifi_proc_file(ifname, "dev_name", device, sizeof(device));
if (vendor[0] && device[0])
sprintf(buf, "%s %s", vendor, device);
else
sprintf(buf, "Generic Atheros");
}
sprintf(buf, "Generic Atheros");
else
{
sprintf(buf, "%s %s", hw->vendor_name, hw->device_name);
}
return 0;
}

15
package/iwinfo/src/iwinfo_nl80211.c
View File

@ -1646,7 +1646,7 @@ int nl80211_get_hardware_id(const char *ifname, char *buf)
/* Reuse existing interface */
if ((res = nl80211_phy2ifname(ifname)) != NULL)
{
return wext_get_hardware_id(res, buf);
rv = wext_get_hardware_id(res, buf);
}
/* Need to spawn a temporary iface for finding IDs */
@ -1654,11 +1654,20 @@ int nl80211_get_hardware_id(const char *ifname, char *buf)
{
rv = wext_get_hardware_id(res, buf);
nl80211_ifdel(res);
return rv;
}
}
else
{
rv = wext_get_hardware_id(ifname, buf);
}
return wext_get_hardware_id(ifname, buf);
/* Failed to obtain hardware IDs, search board config */
if (rv)
{
rv = iwinfo_hardware_id_from_mtd(buf);
}
return rv;
}
static const struct iwinfo_hardware_entry *

60
package/iwinfo/src/iwinfo_utils.c
View File

@ -150,3 +150,63 @@ struct iwinfo_hardware_entry * iwinfo_hardware(struct iwinfo_hardware_id *id)
return NULL;
}
int iwinfo_hardware_id_from_mtd(struct iwinfo_hardware_id *id)
{
FILE *mtd;
uint16_t *bc;
int fd, len, off;
char buf[128];
if (!(mtd = fopen("/proc/mtd", "r")))
return -1;
while (fgets(buf, sizeof(buf), mtd) > 0)
{
if (fscanf(mtd, "mtd%d: %*x %x %127s", &off, &len, buf) < 3 ||
strcmp(buf, "\"boardconfig\""))
{
off = -1;
continue;
}
break;
}
fclose(mtd);
if (off < 0)
return -1;
snprintf(buf, sizeof(buf), "/dev/mtdblock%d", off);
if ((fd = open(buf, O_RDONLY)) < 0)
return -1;
bc = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_LOCKED, fd, 0);
if ((void *)bc != MAP_FAILED)
{
id->vendor_id = 0;
id->device_id = 0;
for (off = len / 2 - 0x800; off >= 0; off -= 0x800)
{
if ((bc[off] == 0x3533) && (bc[off + 1] == 0x3131))
{
id->vendor_id = bc[off + 0x7d];
id->device_id = bc[off + 0x7c];
id->subsystem_vendor_id = bc[off + 0x84];
id->subsystem_device_id = bc[off + 0x83];
break;
}
}
munmap(bc, len);
}
close(fd);
return (id->vendor_id && id->device_id) ? 0 : -1;
}