read wep keys from the driver's private data instead of the shmem (can get key length...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1190 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/openwrt/target/linux/package/wlcompat/wlcompat.c b/openwrt/target/linux/package/wlcompat/wlcompat.c
index e3d42f5..1f822a4 100644 (file)
--- a/openwrt/target/linux/package/wlcompat/wlcompat.c
+++ b/openwrt/target/linux/package/wlcompat/wlcompat.c
@@ -43,12 +43,24 @@ const long channel_frequency[] = {
 };
 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
 
+typedef struct internal_wsec_key {
+       uint8 index;            // 0x00
+       uint8 unknown_1;        // 0x01
+       uint8 type;             // 0x02
+       uint8 unknown_2[7];     // 0x03
+       uint8 len;              // 0x0a
+       uint8 pad[3];
+       char data[32];          // 0x0e
+} wkey;
 
 
 static int wlcompat_private_ioctl(struct net_device *dev,
                         struct iw_request_info *info,
                         union iwreq_data *wrqu,
                         char *extra);
+#ifdef DEBUG
+void print_buffer(int len, unsigned char *buf);
+#endif
 
 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
 {
@@ -103,14 +115,6 @@ static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
        return 0;
 }
 
-int read_shmem(struct net_device *dev, int offset)
-{
-       if (wl_ioctl(dev, WLC_GET_SHMEM, &offset, sizeof(offset)) < 0)
-               return -EINVAL;
-
-       return offset;
-}
-
 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
                                    char *extra)
 {
@@ -442,20 +446,17 @@ static int wlcompat_ioctl(struct net_device *dev,
                                
                                wrqu->data.flags = IW_ENCODE_ENABLED;
                                if (key-- > 0) {
-                                       int magic_offset;
-                                       int16 buffer[8];
+                                       int *info_addr; 
+                                       wkey *wep_key;
                                        
-                                       magic_offset = read_shmem(dev, 0x56) * 2;
-
-                                       wrqu->data.flags |= key + 1;
-                                       wrqu->data.length = 16;
-                                       
-                                       for (val = 0; val < 8; val++) {
-                                               buffer[val] = read_shmem(dev, magic_offset + (key * 16) + val * 2);
-                                       }
+                                       info_addr = (int *) dev->priv;
+                                       wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
                                        
+                                       wrqu->data.flags |= key + 1;
+                                       wrqu->data.length = wep_key->len;
+
                                        memset(extra, 0, 16);
-                                       memcpy(extra, buffer, 16);
+                                       memcpy(extra, wep_key->data, 16);
                                } else {
                                        wrqu->data.flags |= IW_ENCODE_NOKEY;
                                }
@@ -472,7 +473,7 @@ static int wlcompat_ioctl(struct net_device *dev,
                }
                case SIOCSIWMODE:
                {
-                       int ap = -1, infra = -1, passive = 0, wet = 0;
+                       int ap = -1, infra = -1, passive = 0, wet = 0, wds = 0;
                        
                        switch (wrqu->mode) {
                                case IW_MODE_MONITOR:
@@ -495,6 +496,11 @@ static int wlcompat_ioctl(struct net_device *dev,
                                        ap = 0;
                                        wet = 1;
                                        break;
+                               case IW_MODE_SECOND:
+                                       ap = 0;
+                                       infra = 1;
+                                       wds = 1;
+                                       
                                default:
                                        return -EINVAL;
                        }
@@ -502,15 +508,18 @@ static int wlcompat_ioctl(struct net_device *dev,
                        wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
                        wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
                        wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
-                       wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
-                       wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
+                       wl_ioctl(dev, WLC_SET_WET, &wds, sizeof(wds));
+                       if (ap >= 0) 
+                               wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+                       if (infra >= 0)
+                               wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
 
                        break;
                                                
                }
                case SIOCGIWMODE:
                {
-                       int ap, infra, wet, passive;
+                       int ap, infra, wet, wds, passive;
 
                        if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
                                return -EINVAL;
@@ -520,11 +529,15 @@ static int wlcompat_ioctl(struct net_device *dev,
                                return -EINVAL;
                        if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
                                return -EINVAL;
+                       if (wl_ioctl(dev, WLC_GET_WET, &wds, sizeof(wds)) < 0)
+                               return -EINVAL;
 
                        if (passive) {
                                wrqu->mode = IW_MODE_MONITOR;
                        } else if (!infra) {
                                wrqu->mode = IW_MODE_ADHOC;
+                       } else if (wds) {
+                               wrqu->mode = IW_MODE_SECOND;
                        } else {
                                if (ap) {
                                        wrqu->mode = IW_MODE_MASTER;
@@ -813,6 +826,10 @@ static int __init wlcompat_init()
        old_ioctl = dev->do_ioctl;
        dev->do_ioctl = new_ioctl;
        dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
+#ifdef DEBUG
+       printk("broadcom driver private data: 0x%08x\n", dev->priv);
+       print_buffer(200, dev->priv);
+#endif
        return 0;
 }