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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c150
1 files changed, 119 insertions, 31 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 37902a54e9c1..85a23de7bff3 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -136,6 +136,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
.len = sizeof(struct nl80211_sta_flag_update),
},
[NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
+ [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
@@ -156,6 +158,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
+ [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
};
/* policy for the attributes */
@@ -437,6 +440,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct ieee80211_rate *rate;
int i;
u16 ifmodes = dev->wiphy.interface_modes;
+ const struct ieee80211_txrx_stypes *mgmt_stypes =
+ dev->wiphy.mgmt_stypes;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
if (!hdr)
@@ -471,6 +476,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
dev->wiphy.max_num_pmkids);
+ if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE);
+
nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
if (!nl_modes)
goto nla_put_failure;
@@ -587,7 +595,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(flush_pmksa, FLUSH_PMKSA);
CMD(remain_on_channel, REMAIN_ON_CHANNEL);
CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
- CMD(action, ACTION);
+ CMD(mgmt_tx, FRAME);
if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
i++;
NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
@@ -608,6 +616,55 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
nla_nest_end(msg, nl_cmds);
+ if (mgmt_stypes) {
+ u16 stypes;
+ struct nlattr *nl_ftypes, *nl_ifs;
+ enum nl80211_iftype ift;
+
+ nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
+ if (!nl_ifs)
+ goto nla_put_failure;
+
+ for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
+ nl_ftypes = nla_nest_start(msg, ift);
+ if (!nl_ftypes)
+ goto nla_put_failure;
+ i = 0;
+ stypes = mgmt_stypes[ift].tx;
+ while (stypes) {
+ if (stypes & 1)
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
+ (i << 4) | IEEE80211_FTYPE_MGMT);
+ stypes >>= 1;
+ i++;
+ }
+ nla_nest_end(msg, nl_ftypes);
+ }
+
+ nla_nest_end(msg, nl_ifs);
+
+ nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
+ if (!nl_ifs)
+ goto nla_put_failure;
+
+ for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
+ nl_ftypes = nla_nest_start(msg, ift);
+ if (!nl_ftypes)
+ goto nla_put_failure;
+ i = 0;
+ stypes = mgmt_stypes[ift].rx;
+ while (stypes) {
+ if (stypes & 1)
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
+ (i << 4) | IEEE80211_FTYPE_MGMT);
+ stypes >>= 1;
+ i++;
+ }
+ nla_nest_end(msg, nl_ftypes);
+ }
+ nla_nest_end(msg, nl_ifs);
+ }
+
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -3572,6 +3629,21 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock_rtnl;
+ if (key.idx >= 0) {
+ int i;
+ bool ok = false;
+ for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
+ if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
+ ok = true;
+ break;
+ }
+ }
+ if (!ok) {
+ err = -EINVAL;
+ goto out;
+ }
+ }
+
if (!rdev->ops->auth) {
err = -EOPNOTSUPP;
goto out;
@@ -3624,7 +3696,8 @@ unlock_rtnl:
return err;
}
-static int nl80211_crypto_settings(struct genl_info *info,
+static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
+ struct genl_info *info,
struct cfg80211_crypto_settings *settings,
int cipher_limit)
{
@@ -3632,6 +3705,19 @@ static int nl80211_crypto_settings(struct genl_info *info,
settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
+ if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
+ u16 proto;
+ proto = nla_get_u16(
+ info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
+ settings->control_port_ethertype = cpu_to_be16(proto);
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
+ proto != ETH_P_PAE)
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
+ settings->control_port_no_encrypt = true;
+ } else
+ settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
+
if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
void *data;
int len, i;
@@ -3759,7 +3845,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_PREV_BSSID])
prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
- err = nl80211_crypto_settings(info, &crypto, 1);
+ err = nl80211_crypto_settings(rdev, info, &crypto, 1);
if (!err)
err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
ssid, ssid_len, ie, ie_len, use_mfp,
@@ -4236,7 +4322,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
- err = nl80211_crypto_settings(info, &connect.crypto,
+ err = nl80211_crypto_settings(rdev, info, &connect.crypto,
NL80211_MAX_NR_CIPHER_SUITES);
if (err)
return err;
@@ -4717,17 +4803,18 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
return err;
}
-static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
struct net_device *dev;
+ u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
int err;
if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
return -EINVAL;
- if (nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]) < 1)
- return -EINVAL;
+ if (info->attrs[NL80211_ATTR_FRAME_TYPE])
+ frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
rtnl_lock();
@@ -4742,12 +4829,13 @@ static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
}
/* not much point in registering if we can't reply */
- if (!rdev->ops->action) {
+ if (!rdev->ops->mgmt_tx) {
err = -EOPNOTSUPP;
goto out;
}
- err = cfg80211_mlme_register_action(dev->ieee80211_ptr, info->snd_pid,
+ err = cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
+ frame_type,
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
out:
@@ -4758,7 +4846,7 @@ static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
return err;
}
-static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
struct net_device *dev;
@@ -4781,7 +4869,7 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock_rtnl;
- if (!rdev->ops->action) {
+ if (!rdev->ops->mgmt_tx) {
err = -EOPNOTSUPP;
goto out;
}
@@ -4824,17 +4912,17 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
}
hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
- NL80211_CMD_ACTION);
+ NL80211_CMD_FRAME);
if (IS_ERR(hdr)) {
err = PTR_ERR(hdr);
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);
+ err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, channel_type,
+ channel_type_valid,
+ nla_data(info->attrs[NL80211_ATTR_FRAME]),
+ nla_len(info->attrs[NL80211_ATTR_FRAME]),
+ &cookie);
if (err)
goto free_msg;
@@ -5333,14 +5421,14 @@ static struct genl_ops nl80211_ops[] = {
.flags = GENL_ADMIN_PERM,
},
{
- .cmd = NL80211_CMD_REGISTER_ACTION,
- .doit = nl80211_register_action,
+ .cmd = NL80211_CMD_REGISTER_FRAME,
+ .doit = nl80211_register_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
{
- .cmd = NL80211_CMD_ACTION,
- .doit = nl80211_action,
+ .cmd = NL80211_CMD_FRAME,
+ .doit = nl80211_tx_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
@@ -6040,9 +6128,9 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
nl80211_mlme_mcgrp.id, gfp);
}
-int nl80211_send_action(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u32 nlpid,
- int freq, const u8 *buf, size_t len, gfp_t gfp)
+int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 nlpid,
+ int freq, const u8 *buf, size_t len, gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
@@ -6052,7 +6140,7 @@ int nl80211_send_action(struct cfg80211_registered_device *rdev,
if (!msg)
return -ENOMEM;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
if (!hdr) {
nlmsg_free(msg);
return -ENOMEM;
@@ -6080,10 +6168,10 @@ int nl80211_send_action(struct cfg80211_registered_device *rdev,
return -ENOBUFS;
}
-void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
- const u8 *buf, size_t len, bool ack,
- gfp_t gfp)
+void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
@@ -6092,7 +6180,7 @@ void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev,
if (!msg)
return;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION_TX_STATUS);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
if (!hdr) {
nlmsg_free(msg);
return;
@@ -6179,7 +6267,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list)
list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
- cfg80211_mlme_unregister_actions(wdev, notify->pid);
+ cfg80211_mlme_unregister_socket(wdev, notify->pid);
rcu_read_unlock();
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