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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c93
1 files changed, 90 insertions, 3 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index db71150b8040..37902a54e9c1 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -153,6 +153,9 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
[NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
[NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
+
+ [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
};
/* policy for the attributes */
@@ -869,6 +872,34 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
goto bad_res;
}
+ if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
+ enum nl80211_tx_power_setting type;
+ int idx, mbm = 0;
+
+ if (!rdev->ops->set_tx_power) {
+ result = -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
+ type = nla_get_u32(info->attrs[idx]);
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
+ (type != NL80211_TX_POWER_AUTOMATIC)) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+
+ if (type != NL80211_TX_POWER_AUTOMATIC) {
+ idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
+ mbm = nla_get_u32(info->attrs[idx]);
+ }
+
+ result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm);
+ if (result)
+ goto bad_res;
+ }
+
changed = 0;
if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
@@ -1107,7 +1138,7 @@ static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
enum nl80211_iftype iftype)
{
if (!use_4addr) {
- if (netdev && netdev->br_port)
+ if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
return -EBUSY;
return 0;
}
@@ -2738,6 +2769,7 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
nla_put_failure:
genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
err = -EMSGSIZE;
out:
/* Cleanup */
@@ -2929,6 +2961,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
nla_put_failure:
genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
err = -EMSGSIZE;
out:
mutex_unlock(&cfg80211_mutex);
@@ -3955,6 +3988,55 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
}
}
+ if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
+ u8 *rates =
+ nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ int n_rates =
+ nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ struct ieee80211_supported_band *sband =
+ wiphy->bands[ibss.channel->band];
+ int i, j;
+
+ if (n_rates == 0) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < n_rates; i++) {
+ int rate = (rates[i] & 0x7f) * 5;
+ bool found = false;
+
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].bitrate == rate) {
+ found = true;
+ ibss.basic_rates |= BIT(j);
+ break;
+ }
+ }
+ if (!found) {
+ err = -EINVAL;
+ goto out;
+ }
+ }
+ } else {
+ /*
+ * If no rates were explicitly configured,
+ * use the mandatory rate set for 11b or
+ * 11a for maximum compatibility.
+ */
+ struct ieee80211_supported_band *sband =
+ wiphy->bands[ibss.channel->band];
+ int j;
+ u32 flag = ibss.channel->band == IEEE80211_BAND_5GHZ ?
+ IEEE80211_RATE_MANDATORY_A :
+ IEEE80211_RATE_MANDATORY_B;
+
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].flags & flag)
+ ibss.basic_rates |= BIT(j);
+ }
+ }
+
err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
out:
@@ -4653,7 +4735,8 @@ static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock_rtnl;
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
err = -EOPNOTSUPP;
goto out;
}
@@ -4681,6 +4764,7 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
struct net_device *dev;
struct ieee80211_channel *chan;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ bool channel_type_valid = false;
u32 freq;
int err;
void *hdr;
@@ -4702,7 +4786,8 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
err = -EOPNOTSUPP;
goto out;
}
@@ -4722,6 +4807,7 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
err = -EINVAL;
goto out;
}
+ channel_type_valid = true;
}
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
@@ -4745,6 +4831,7 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
goto free_msg;
}
err = cfg80211_mlme_action(rdev, dev, chan, channel_type,
+ channel_type_valid,
nla_data(info->attrs[NL80211_ATTR_FRAME]),
nla_len(info->attrs[NL80211_ATTR_FRAME]),
&cookie);