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[package] iwinfo: fix model detection on legacy atheros

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29423 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2011-12-04 18:11:57 +00:00
parent 974654e8c5
commit 9b5e9a5afb
1 changed files with 68 additions and 1 deletions
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69
package/iwinfo/src/iwinfo_madwifi.c
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@ -988,9 +988,76 @@ 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)
{
return wext_get_hardware_id(ifname, buf);
char vendor[64];
char device[64];
struct iwinfo_hardware_id *ids;
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 0;
}
int madwifi_get_hardware_name(const char *ifname, char *buf)