X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/76ed58d705e7f3892a1259abcd92882a527e7b53..d2e1864c77698f255ce7b725b204db513f79b688:/target/linux/package/wlcompat/wlcompat.c diff --git a/target/linux/package/wlcompat/wlcompat.c b/target/linux/package/wlcompat/wlcompat.c index d010e2bc8..1d2a36325 100644 --- a/target/linux/package/wlcompat/wlcompat.c +++ b/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) { @@ -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; }