add SIOCGIWRANGE

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@578 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/openwrt/package/openwrt/wlcompat.c b/openwrt/package/openwrt/wlcompat.c
index 11757e5..cce64e7 100644 (file)
--- a/openwrt/package/openwrt/wlcompat.c
+++ b/openwrt/package/openwrt/wlcompat.c
@@ -6,6 +6,7 @@
 #include <linux/init.h>
 #include <linux/if_arp.h>
 #include <asm/uaccess.h>
+#include <linux/wireless.h>
 
 #include <net/iw_handler.h>
 #include <wlioctl.h>
@@ -14,6 +15,13 @@
 
 static struct net_device *dev;
 
+/* The frequency of each channel in MHz */
+const long channel_frequency[] = {
+       2412, 2417, 2422, 2427, 2432, 2437, 2442,
+       2447, 2452, 2457, 2462, 2467, 2472, 2484
+};
+#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
+
 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
 {
        mm_segment_t old_fs = get_fs();
@@ -31,12 +39,59 @@ static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
        return ret;
 }
 
+static int wlcompat_ioctl_getiwrange(struct net_device *dev,
+                                   char *extra)
+{
+       int i, k;
+       struct iw_range *range;
+
+       range = (struct iw_range *) extra;
+
+       range->we_version_compiled = WIRELESS_EXT;
+       range->we_version_source = WIRELESS_EXT;
+       
+       range->min_nwid = range->max_nwid = 0;
+       
+       range->num_channels = NUM_CHANNELS;
+       k = 0;
+       for (i = 0; i < NUM_CHANNELS; i++) {
+               range->freq[k].i = i + 1;
+               range->freq[k].m = channel_frequency[i] * 100000;
+               range->freq[k].e = 1;
+               k++;
+               if (k >= IW_MAX_FREQUENCIES)
+                       break;
+       }
+       range->num_frequency = k;
+       range->sensitivity = 3;
+
+       /* nbd: don't know what this means, but other drivers set it this way */
+       range->pmp_flags = IW_POWER_PERIOD;
+       range->pmt_flags = IW_POWER_TIMEOUT;
+       range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
+
+       range->min_rts = 0;
+       range->max_rts = 2347;
+       range->min_frag = 256;
+       range->max_frag = 2346;
+
+       range->min_pmp = 0;
+       range->max_pmp = 65535000;
+       range->min_pmt = 0;
+       range->max_pmt = 65535 * 1000;
+
+       range->txpower_capa = IW_TXPOW_MWATT;
+       
+       return 0;
+}
 
 static int wlcompat_ioctl(struct net_device *dev,
                         struct iw_request_info *info,
                         union iwreq_data *wrqu,
                         char *extra)
 {
+       int err = 0;
+       
        switch (info->cmd) {
                case SIOCGIWNAME:
                        strcpy(wrqu->name, "IEEE 802.11-DS");
@@ -88,12 +143,18 @@ static int wlcompat_ioctl(struct net_device *dev,
                        wrqu->data.flags = IW_ENCODE_DISABLED;
                        break;
                }
+               case SIOCGIWRANGE:
+               {
+                       err = wlcompat_ioctl_getiwrange(dev, extra);
+                       break;
+               }
        }
-       return 0;
+       
+       return err;
 }
 
 static const iw_handler         wlcompat_handler[] = {
-       NULL,                   /* SIOCSIWNAME */
+       NULL,                   /* SIOCSIWCOMMIT */
        wlcompat_ioctl,         /* SIOCGIWNAME */
        NULL,                   /* SIOCSIWNWID */
        NULL,                   /* SIOCGIWNWID */
@@ -104,7 +165,7 @@ static const iw_handler      wlcompat_handler[] = {
        NULL,                   /* SIOCSIWSENS */
        NULL,                   /* SIOCGIWSENS */
        NULL,                   /* SIOCSIWRANGE */
-       NULL,                   /* SIOCGIWRANGE */
+       wlcompat_ioctl,         /* SIOCGIWRANGE */
        NULL,                   /* SIOCSIWPRIV */
        NULL,                   /* SIOCGIWPRIV */
        NULL,                   /* SIOCSIWSTATS */