diff options
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r-- | net/mac80211/cfg.c | 126 |
1 files changed, 82 insertions, 44 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c7000a6ca37..29ac8e1a509 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -120,6 +120,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_key *key; int err; + if (!netif_running(dev)) + return -ENETDOWN; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); switch (params->cipher) { @@ -140,17 +143,22 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, return -EINVAL; } + /* reject WEP and TKIP keys if WEP failed to initialize */ + if ((alg == ALG_WEP || alg == ALG_TKIP) && + IS_ERR(sdata->local->wep_tx_tfm)) + return -EINVAL; + key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key, params->seq_len, params->seq); if (!key) return -ENOMEM; - rcu_read_lock(); + mutex_lock(&sdata->local->sta_mtx); if (mac_addr) { sta = sta_info_get_bss(sdata, mac_addr); if (!sta) { - ieee80211_key_free(key); + ieee80211_key_free(sdata->local, key); err = -ENOENT; goto out_unlock; } @@ -160,7 +168,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, err = 0; out_unlock: - rcu_read_unlock(); + mutex_unlock(&sdata->local->sta_mtx); return err; } @@ -174,7 +182,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, sdata = IEEE80211_DEV_TO_SUB_IF(dev); - rcu_read_lock(); + mutex_lock(&sdata->local->sta_mtx); if (mac_addr) { ret = -ENOENT; @@ -184,7 +192,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, goto out_unlock; if (sta->key) { - ieee80211_key_free(sta->key); + ieee80211_key_free(sdata->local, sta->key); WARN_ON(sta->key); ret = 0; } @@ -197,12 +205,12 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, goto out_unlock; } - ieee80211_key_free(sdata->keys[key_idx]); + ieee80211_key_free(sdata->local, sdata->keys[key_idx]); WARN_ON(sdata->keys[key_idx]); ret = 0; out_unlock: - rcu_read_unlock(); + mutex_unlock(&sdata->local->sta_mtx); return ret; } @@ -305,15 +313,10 @@ static int ieee80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx) { - struct ieee80211_sub_if_data *sdata; - - rcu_read_lock(); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sdata = IEEE80211_DEV_TO_SUB_IF(dev); ieee80211_set_default_key(sdata, key_idx); - rcu_read_unlock(); - return 0; } @@ -321,15 +324,10 @@ static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx) { - struct ieee80211_sub_if_data *sdata; - - rcu_read_lock(); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sdata = IEEE80211_DEV_TO_SUB_IF(dev); ieee80211_set_default_mgmt_key(sdata, key_idx); - rcu_read_unlock(); - return 0; } @@ -415,9 +413,6 @@ static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - if (!local->ops->get_survey) - return -EOPNOTSUPP; - return drv_get_survey(local, idx, survey); } @@ -600,7 +595,7 @@ struct iapp_layer2_update { u8 ssap; /* 0 */ u8 control; u8 xid_info[3]; -} __attribute__ ((packed)); +} __packed; static void ieee80211_send_layer2_update(struct sta_info *sta) { @@ -632,7 +627,7 @@ static void ieee80211_send_layer2_update(struct sta_info *sta) skb->dev = sta->sdata->dev; skb->protocol = eth_type_trans(skb, sta->sdata->dev); memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); + netif_rx_ni(skb); } static void sta_apply_parameters(struct ieee80211_local *local, @@ -1154,10 +1149,6 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy, return -EINVAL; } - /* enable WMM or activate new settings */ - local->hw.conf.flags |= IEEE80211_CONF_QOS; - drv_config(local, IEEE80211_CONF_CHANGE_QOS); - return 0; } @@ -1331,28 +1322,28 @@ static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) } static int ieee80211_set_tx_power(struct wiphy *wiphy, - enum tx_power_setting type, int dbm) + enum nl80211_tx_power_setting type, int mbm) { struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_channel *chan = local->hw.conf.channel; u32 changes = 0; switch (type) { - case TX_POWER_AUTOMATIC: + case NL80211_TX_POWER_AUTOMATIC: local->user_power_level = -1; break; - case TX_POWER_LIMITED: - if (dbm < 0) - return -EINVAL; - local->user_power_level = dbm; + case NL80211_TX_POWER_LIMITED: + if (mbm < 0 || (mbm % 100)) + return -EOPNOTSUPP; + local->user_power_level = MBM_TO_DBM(mbm); break; - case TX_POWER_FIXED: - if (dbm < 0) - return -EINVAL; + case NL80211_TX_POWER_FIXED: + if (mbm < 0 || (mbm % 100)) + return -EOPNOTSUPP; /* TODO: move to cfg80211 when it knows the channel */ - if (dbm > chan->max_power) + if (MBM_TO_DBM(mbm) > chan->max_power) return -EINVAL; - local->user_power_level = dbm; + local->user_power_level = MBM_TO_DBM(mbm); break; } @@ -1448,7 +1439,6 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_conf *conf = &local->hw.conf; if (sdata->vif.type != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; @@ -1457,11 +1447,11 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, return -EOPNOTSUPP; if (enabled == sdata->u.mgd.powersave && - timeout == conf->dynamic_ps_forced_timeout) + timeout == local->dynamic_ps_forced_timeout) return 0; sdata->u.mgd.powersave = enabled; - conf->dynamic_ps_forced_timeout = timeout; + local->dynamic_ps_forced_timeout = timeout; /* no change, but if automatic follow powersave */ mutex_lock(&sdata->u.mgd.mtx); @@ -1554,10 +1544,58 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, + bool channel_type_valid, const u8 *buf, size_t len, u64 *cookie) { - return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan, - channel_type, buf, len, cookie); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct sk_buff *skb; + struct sta_info *sta; + const struct ieee80211_mgmt *mgmt = (void *)buf; + u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | + IEEE80211_TX_CTL_REQ_TX_STATUS; + + /* Check that we are on the requested channel for transmission */ + if (chan != local->tmp_channel && + chan != local->oper_channel) + return -EBUSY; + if (channel_type_valid && + (channel_type != local->tmp_channel_type && + channel_type != local->_oper_channel_type)) + return -EBUSY; + + switch (sdata->vif.type) { + case NL80211_IFTYPE_ADHOC: + if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) + break; + rcu_read_lock(); + sta = sta_info_get(sdata, mgmt->da); + rcu_read_unlock(); + if (!sta) + return -ENOLINK; + break; + case NL80211_IFTYPE_STATION: + if (!(sdata->u.mgd.flags & IEEE80211_STA_MFP_ENABLED)) + flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + break; + default: + return -EOPNOTSUPP; + } + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); + if (!skb) + return -ENOMEM; + skb_reserve(skb, local->hw.extra_tx_headroom); + + memcpy(skb_put(skb, len), buf, len); + + IEEE80211_SKB_CB(skb)->flags = flags; + + skb->dev = sdata->dev; + ieee80211_tx_skb(sdata, skb); + + *cookie = (unsigned long) skb; + return 0; } struct cfg80211_ops mac80211_config_ops = { |