diff options
Diffstat (limited to 'package/mac80211/src/net/wireless/nl80211.c')
| -rw-r--r-- | package/mac80211/src/net/wireless/nl80211.c | 857 |
1 files changed, 854 insertions, 3 deletions
diff --git a/package/mac80211/src/net/wireless/nl80211.c b/package/mac80211/src/net/wireless/nl80211.c index 58717f3..5b34747 100644 --- a/package/mac80211/src/net/wireless/nl80211.c +++ b/package/mac80211/src/net/wireless/nl80211.c @@ -39,7 +39,7 @@ static int get_drv_dev_by_info_ifindex(struct genl_info *info, return -EINVAL; ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - *dev = dev_get_by_index(ifindex); + *dev = dev_get_by_index(&init_net, ifindex); if (!*dev) return -ENODEV; @@ -61,6 +61,28 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = { [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, + + [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, + + [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, + .len = WLAN_MAX_KEY_LEN }, + [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, + [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, + [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, + + [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, + [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, + [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_DATA_LEN }, + [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_DATA_LEN }, + [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, + [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, + [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, + [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, + .len = NL80211_MAX_SUPP_RATES }, + [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, + [NL80211_ATTR_MNTR_FLAGS] = { .type = NLA_NESTED }, }; /* message building helper */ @@ -77,6 +99,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct cfg80211_registered_device *dev) { void *hdr; + struct nlattr *nl_bands, *nl_band; + struct nlattr *nl_freqs, *nl_freq; + struct nlattr *nl_rates, *nl_rate; + enum ieee80211_band band; + struct ieee80211_channel *chan; + struct ieee80211_rate *rate; + int i; hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); if (!hdr) @@ -84,6 +113,73 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx); NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); + + nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); + if (!nl_bands) + goto nla_put_failure; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + if (!dev->wiphy.bands[band]) + continue; + + nl_band = nla_nest_start(msg, band); + if (!nl_band) + goto nla_put_failure; + + /* add frequencies */ + nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); + if (!nl_freqs) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { + nl_freq = nla_nest_start(msg, i); + if (!nl_freq) + goto nla_put_failure; + + chan = &dev->wiphy.bands[band]->channels[i]; + NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, + chan->center_freq); + + if (chan->flags & IEEE80211_CHAN_DISABLED) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); + if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); + if (chan->flags & IEEE80211_CHAN_NO_IBSS) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); + if (chan->flags & IEEE80211_CHAN_RADAR) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); + + nla_nest_end(msg, nl_freq); + } + + nla_nest_end(msg, nl_freqs); + + /* add bitrates */ + nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); + if (!nl_rates) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { + nl_rate = nla_nest_start(msg, i); + if (!nl_rate) + goto nla_put_failure; + + rate = &dev->wiphy.bands[band]->bitrates[i]; + NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, + rate->bitrate); + if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) + NLA_PUT_FLAG(msg, + NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); + + nla_nest_end(msg, nl_rate); + } + + nla_nest_end(msg, nl_rates); + + nla_nest_end(msg, nl_band); + } + nla_nest_end(msg, nl_bands); + return genlmsg_end(msg, hdr); nla_put_failure: @@ -241,12 +337,42 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) return -ENOBUFS; } +static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { + [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, +}; + +static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) +{ + struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; + int flag; + + *mntrflags = 0; + + if (!nla) + return -EINVAL; + + if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, + nla, mntr_flags_policy)) + return -EINVAL; + + for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) + if (flags[flag]) + *mntrflags |= (1<<flag); + + return 0; +} + static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *drv; int err, ifindex; enum nl80211_iftype type; struct net_device *dev; + u32 flags; if (info->attrs[NL80211_ATTR_IFTYPE]) { type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); @@ -267,7 +393,11 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) } rtnl_lock(); - err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, type); + err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? + info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, + &flags); + err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, + type, err ? NULL : &flags); rtnl_unlock(); unlock: @@ -280,6 +410,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *drv; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; + u32 flags; if (!info->attrs[NL80211_ATTR_IFNAME]) return -EINVAL; @@ -300,8 +431,12 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) } rtnl_lock(); + err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? + info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, + &flags); err = drv->ops->add_virtual_intf(&drv->wiphy, - nla_data(info->attrs[NL80211_ATTR_IFNAME]), type); + nla_data(info->attrs[NL80211_ATTR_IFNAME]), + type, err ? NULL : &flags); rtnl_unlock(); unlock: @@ -335,6 +470,655 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) return err; } +struct get_key_cookie { + struct sk_buff *msg; + int error; +}; + +static void get_key_callback(void *c, struct key_params *params) +{ + struct get_key_cookie *cookie = c; + + if (params->key) + NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, + params->key_len, params->key); + + if (params->seq) + NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, + params->seq_len, params->seq); + + if (params->cipher) + NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, + params->cipher); + + return; + nla_put_failure: + cookie->error = 1; +} + +static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 key_idx = 0; + u8 *mac_addr = NULL; + struct get_key_cookie cookie = { + .error = 0, + }; + void *hdr; + struct sk_buff *msg; + + if (info->attrs[NL80211_ATTR_KEY_IDX]) + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + if (key_idx > 3) + return -EINVAL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->get_key) { + err = -EOPNOTSUPP; + goto out; + } + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) { + err = -ENOMEM; + goto out; + } + + hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + NL80211_CMD_NEW_KEY); + + if (IS_ERR(hdr)) { + err = PTR_ERR(hdr); + goto out; + } + + cookie.msg = msg; + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); + if (mac_addr) + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); + + rtnl_lock(); + err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr, + &cookie, get_key_callback); + rtnl_unlock(); + + if (err) + goto out; + + if (cookie.error) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + err = genlmsg_unicast(msg, info->snd_pid); + goto out; + + nla_put_failure: + err = -ENOBUFS; + nlmsg_free(msg); + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 key_idx; + + if (!info->attrs[NL80211_ATTR_KEY_IDX]) + return -EINVAL; + + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + if (key_idx > 3) + return -EINVAL; + + /* currently only support setting default key */ + if (!info->attrs[NL80211_ATTR_KEY_DEFAULT]) + return -EINVAL; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->set_default_key) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct key_params params; + u8 key_idx = 0; + u8 *mac_addr = NULL; + + memset(¶ms, 0, sizeof(params)); + + if (!info->attrs[NL80211_ATTR_KEY_CIPHER]) + return -EINVAL; + + if (info->attrs[NL80211_ATTR_KEY_DATA]) { + params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); + params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); + } + + if (info->attrs[NL80211_ATTR_KEY_IDX]) + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (key_idx > 3) + return -EINVAL; + + /* + * Disallow pairwise keys with non-zero index unless it's WEP + * (because current deployments use pairwise WEP keys with + * non-zero indizes but 802.11i clearly specifies to use zero) + */ + if (mac_addr && key_idx && + params.cipher != WLAN_CIPHER_SUITE_WEP40 && + params.cipher != WLAN_CIPHER_SUITE_WEP104) + return -EINVAL; + + /* TODO: add definitions for the lengths to linux/ieee80211.h */ + switch (params.cipher) { + case WLAN_CIPHER_SUITE_WEP40: + if (params.key_len != 5) + return -EINVAL; + break; + case WLAN_CIPHER_SUITE_TKIP: + if (params.key_len != 32) + return -EINVAL; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (params.key_len != 16) + return -EINVAL; + break; + case WLAN_CIPHER_SUITE_WEP104: + if (params.key_len != 13) + return -EINVAL; + break; + default: + return -EINVAL; + } + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->add_key) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 key_idx = 0; + u8 *mac_addr = NULL; + + if (info->attrs[NL80211_ATTR_KEY_IDX]) + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + if (key_idx > 3) + return -EINVAL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_key) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) +{ + int (*call)(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info); + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct beacon_parameters params; + int haveinfo = 0; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + switch (info->genlhdr->cmd) { + case NL80211_CMD_NEW_BEACON: + /* these are required for NEW_BEACON */ + if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || + !info->attrs[NL80211_ATTR_DTIM_PERIOD] || + !info->attrs[NL80211_ATTR_BEACON_HEAD]) { + err = -EINVAL; + goto out; + } + + call = drv->ops->add_beacon; + break; + case NL80211_CMD_SET_BEACON: + call = drv->ops->set_beacon; + break; + default: + WARN_ON(1); + err = -EOPNOTSUPP; + goto out; + } + + if (!call) { + err = -EOPNOTSUPP; + goto out; + } + + memset(¶ms, 0, sizeof(params)); + + if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { + params.interval = + nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); + haveinfo = 1; + } + + if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { + params.dtim_period = + nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); + haveinfo = 1; + } + + if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { + params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); + params.head_len = + nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); + haveinfo = 1; + } + + if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { + params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); + params.tail_len = + nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); + haveinfo = 1; + } + + if (!haveinfo) { + err = -EINVAL; + goto out; + } + + rtnl_lock(); + err = call(&drv->wiphy, dev, ¶ms); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_beacon) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_beacon(&drv->wiphy, dev); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { + [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, + [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, + [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, +}; + +static int parse_station_flags(struct nlattr *nla, u32 *staflags) +{ + struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; + int flag; + + *staflags = 0; + + if (!nla) + return 0; + + if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, + nla, sta_flags_policy)) + return -EINVAL; + + *staflags = STATION_FLAG_CHANGED; + + for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) + if (flags[flag]) + *staflags |= (1<<flag); + + return 0; +} + +static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, + int flags, struct net_device *dev, + u8 *mac_addr, struct station_stats *stats) +{ + void *hdr; + struct nlattr *statsattr; + + hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); + if (!hdr) + return -1; + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); + + statsattr = nla_nest_start(msg, NL80211_ATTR_STA_STATS); + if (!statsattr) + goto nla_put_failure; + if (stats->filled & STATION_STAT_INACTIVE_TIME) + NLA_PUT_U32(msg, NL80211_STA_STAT_INACTIVE_TIME, + stats->inactive_time); + if (stats->filled & STATION_STAT_RX_BYTES) + NLA_PUT_U32(msg, NL80211_STA_STAT_RX_BYTES, + stats->rx_bytes); + if (stats->filled & STATION_STAT_TX_BYTES) + NLA_PUT_U32(msg, NL80211_STA_STAT_TX_BYTES, + stats->tx_bytes); + + nla_nest_end(msg, statsattr); + + return genlmsg_end(msg, hdr); + + nla_put_failure: + return genlmsg_cancel(msg, hdr); +} + + +static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct station_stats stats; + struct sk_buff *msg; + u8 *mac_addr = NULL; + + memset(&stats, 0, sizeof(stats)); + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->get_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &stats); + rtnl_unlock(); + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) + goto out; + + if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, + dev, mac_addr, &stats) < 0) + goto out_free; + + err = genlmsg_unicast(msg, info->snd_pid); + goto out; + + out_free: + nlmsg_free(msg); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +/* + * Get vlan interface making sure it is on the right wiphy. + */ +static int get_vlan(struct nlattr *vlanattr, + struct cfg80211_registered_device *rdev, + struct net_device **vlan) +{ + *vlan = NULL; + + if (vlanattr) { + *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr)); + if (!*vlan) + return -ENODEV; + if (!(*vlan)->ieee80211_ptr) + return -EINVAL; + if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) + return -EINVAL; + } + return 0; +} + +static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct station_parameters params; + u8 *mac_addr = NULL; + + memset(¶ms, 0, sizeof(params)); + + params.listen_interval = -1; + + if (info->attrs[NL80211_ATTR_STA_AID]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { + params.supported_rates = + nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + params.supported_rates_len = + nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + } + + if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) + params.listen_interval = + nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); + + if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], + ¶ms.station_flags)) + return -EINVAL; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); + if (err) + goto out; + + if (!drv->ops->change_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms); + rtnl_unlock(); + + out: + if (params.vlan) + dev_put(params.vlan); + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct station_parameters params; + u8 *mac_addr = NULL; + + memset(¶ms, 0, sizeof(params)); + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_STA_AID]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) + return -EINVAL; + + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + params.supported_rates = + nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + params.supported_rates_len = + nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + params.listen_interval = + nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); + params.listen_interval = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); + + if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], + ¶ms.station_flags)) + return -EINVAL; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); + if (err) + goto out; + + if (!drv->ops->add_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms); + rtnl_unlock(); + + out: + if (params.vlan) + dev_put(params.vlan); + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 *mac_addr = NULL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_station(&drv->wiphy, dev, mac_addr); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + static struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_WIPHY, @@ -374,6 +1158,73 @@ static struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, }, + { + .cmd = NL80211_CMD_GET_KEY, + .doit = nl80211_get_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_KEY, + .doit = nl80211_set_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_NEW_KEY, + .doit = nl80211_new_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DEL_KEY, + .doit = nl80211_del_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_BEACON, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .doit = nl80211_addset_beacon, + }, + { + .cmd = NL80211_CMD_NEW_BEACON, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .doit = nl80211_addset_beacon, + }, + { + .cmd = NL80211_CMD_DEL_BEACON, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .doit = nl80211_del_beacon, + }, + { + .cmd = NL80211_CMD_GET_STATION, + .doit = nl80211_get_station, + /* TODO: implement dumpit */ + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_STATION, + .doit = nl80211_set_station, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_NEW_STATION, + .doit = nl80211_new_station, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DEL_STATION, + .doit = nl80211_del_station, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, }; /* multicast groups */ |