split wlcompat package in HEAD, too
[openwrt.git] / target / linux / package / wlcompat / wlcompat.c
index d010e2b..1d2a363 100644 (file)
@@ -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)
 {
@@ -71,6 +83,7 @@ static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
 {
        char buf[128];
        int buf_len;
+       int ret;
 
        /* check for overflow */
        if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
@@ -80,37 +93,44 @@ static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
        buf_len += 1;
 
        /* append int value onto the end of the name string */
-       memcpy(&buf[buf_len], val, len);
+       memcpy(&(buf[buf_len]), val, len);
        buf_len += len;
 
-       return wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
+       ret = wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
+       return ret;
 }
 
 static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
 {
        char buf[128];
+       int buf_len;
        int ret;
 
        /* check for overflow */
-       if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
+       if ((buf_len = strlen(var)) + 1 > sizeof(buf) || len > sizeof(buf))
                return -1;
        
        strcpy(buf, var);
-       if ((ret = wl_ioctl(dev, WLC_GET_VAR, buf, sizeof(buf))))
+       if (ret = wl_ioctl(dev, WLC_GET_VAR, buf, buf_len + len))
                return ret;
 
        memcpy(val, buf, len);
        return 0;
 }
 
-int read_shmem(struct net_device *dev, int offset)
+int get_primary_key(struct net_device *dev)
 {
-       if (wl_ioctl(dev, WLC_GET_SHMEM, &offset, sizeof(offset)) < 0)
-               return -EINVAL;
-
-       return offset;
+       int key, val;
+       
+       for (key = val = 0; (key < 4) && (val == 0); key++) {
+               val = key;
+               if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
+                       return -EINVAL;
+       }
+       return key;
 }
 
+
 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
                                    char *extra)
 {
@@ -292,23 +312,29 @@ static int wlcompat_ioctl(struct net_device *dev,
                }
                case SIOCSIWFREQ:
                {
-                       if (wrqu->freq.e == 1) {
-                               int channel = 0;
-                               int f = wrqu->freq.m / 100000;
-                               while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
-                                       channel++;
-                               
-                               if (channel == NUM_CHANNELS) // channel not found
-                                       return -EINVAL;
-
-                               wrqu->freq.e = 0;
-                               wrqu->freq.m = channel + 1;
-                       }
-                       if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
+                       if (wrqu->freq.m == -1) {
+                               wrqu->freq.m = 0;
                                if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
                                        return -EINVAL;
                        } else {
-                               return -EINVAL;
+                               if (wrqu->freq.e == 1) {
+                                       int channel = 0;
+                                       int f = wrqu->freq.m / 100000;
+                                       while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
+                                               channel++;
+                                       
+                                       if (channel == NUM_CHANNELS) // channel not found
+                                               return -EINVAL;
+
+                                       wrqu->freq.e = 0;
+                                       wrqu->freq.m = channel + 1;
+                               }
+                               if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
+                                       if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
+                                               return -EINVAL;
+                               } else {
+                                       return -EINVAL;
+                               }
                        }
                        break;
                }
@@ -384,30 +410,88 @@ static int wlcompat_ioctl(struct net_device *dev,
                }
                case SIOCGIWTXPOW:
                {
+                       int radio;
+
+                       if (wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int)) < 0)
+                               return -EINVAL;
+                       
                        if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
                                return -EINVAL;
                        
                        wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
                                
                        wrqu->txpower.fixed = 0;
-                       wrqu->txpower.disabled = 0;
+                       wrqu->txpower.disabled = radio;
                        wrqu->txpower.flags = IW_TXPOW_MWATT;
                        break;
                }
                case SIOCSIWTXPOW:
                {
-                       int override;
-                       
-                       if (wl_get_val(dev, "qtxpower", &override, sizeof(int)) < 0)
+                       /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
+                       int radio = wrqu->txpower.disabled;
+
+                       if (wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int)) < 0)
                                return -EINVAL;
                        
-                       wrqu->txpower.value |= override & WL_TXPWR_OVERRIDE;
+                       if (!wrqu->txpower.disabled) {
+                               int value;
+                               
+                               if (wl_get_val(dev, "qtxpower", &value, sizeof(int)) < 0)
+                                       return -EINVAL;
+                               
+                               value &= WL_TXPWR_OVERRIDE;
+                               wrqu->txpower.value |= value;
+                               
+                               if (wrqu->txpower.flags != IW_TXPOW_MWATT)
+                                       return -EINVAL;
+                               
+                               if (wrqu->txpower.value > 0)
+                                       if (wl_set_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
+                                               return -EINVAL;
+                       }
+                       break;
+               }
+               case SIOCSIWENCODE:
+               {
+                       int val = 0, wep = 1, wrestrict = 1;
+                       int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
+
+                       if (index < 0)
+                               index = get_primary_key(dev);
                        
-                       if (wrqu->txpower.flags != IW_TXPOW_MWATT)
-                               return -EINVAL;
+                       if (wrqu->data.flags & IW_ENCODE_DISABLED)
+                               wep = 0;
+
+                       if (wrqu->data.flags & IW_ENCODE_OPEN)
+                               wrestrict = 0;
+                       
+                       if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
+                               wl_wsec_key_t key;
+                               memset(&key, 0, sizeof(key));
+
+                               key.flags = WL_PRIMARY_KEY;
+                               key.len = wrqu->data.length;
+                               key.index = index;
+                               memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
 
-                       if (wl_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0)
+                               if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
+                                       return -EINVAL;
+                       }
+
+                       if (index >= 0)
+                               if (wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index)) < 0)
+                                       return -EINVAL;
+                       
+                       if (wl_ioctl(dev, WLC_GET_WSEC, &val, sizeof(val)) < 0)
                                return -EINVAL;
+                       val |= wep;
+                       if (wl_ioctl(dev, WLC_SET_WSEC, &val, sizeof(val)) < 0)
+                               return -EINVAL;
+
+                       if (wrestrict >= 0)
+                               if (wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict)) < 0)
+                                       return -EINVAL;
+                       break;
                }
                case SIOCGIWENCODE:
                {
@@ -418,30 +502,21 @@ static int wlcompat_ioctl(struct net_device *dev,
                        
 
                        if (val > 0) {
-                               int key;
-                               
-                               for (key = val = 0; (key < 4) && (val == 0); key++) {
-                                       val = key;
-                                       if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
-                                               return -EINVAL;
-                               }
+                               int key = get_primary_key(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;
                                }
@@ -481,22 +556,18 @@ static int wlcompat_ioctl(struct net_device *dev,
                                        ap = 0;
                                        wet = 1;
                                        break;
+                                       
                                default:
                                        return -EINVAL;
                        }
                        
-                       if (wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive)) < 0)
-                               return -EINVAL;
-                       if (wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive)) < 0)
-                               return -EINVAL;
-                       if (wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet)) < 0)
-                               return -EINVAL;
-                       if (ap >= 0)
-                               if (wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)) < 0)
-                                       return -EINVAL;
+                       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));
+                       if (ap >= 0) 
+                               wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
                        if (infra >= 0)
-                               if (wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra)) < 0)
-                                       return -EINVAL;
+                               wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
 
                        break;
                                                
@@ -586,7 +657,7 @@ static const iw_handler      wlcompat_handler[] = {
        wlcompat_ioctl,         /* SIOCGIWTXPOW */
        NULL,                   /* SIOCSIWRETRY */
        NULL,                   /* SIOCGIWRETRY */
-       NULL,                   /* SIOCSIWENCODE */
+       wlcompat_ioctl,         /* SIOCSIWENCODE */
        wlcompat_ioctl,         /* SIOCGIWENCODE */
 };
 
@@ -806,6 +877,9 @@ 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);
+#endif
        return 0;
 }
 
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