diff options
| -rw-r--r-- | package/iwinfo/src/iwinfo_madwifi.c | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/package/iwinfo/src/iwinfo_madwifi.c b/package/iwinfo/src/iwinfo_madwifi.c index feb98e25a2..50793c4937 100644 --- a/package/iwinfo/src/iwinfo_madwifi.c +++ b/package/iwinfo/src/iwinfo_madwifi.c @@ -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) |