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-rw-r--r--net/wireless/core.c4
-rw-r--r--net/wireless/core.h1
-rw-r--r--net/wireless/nl80211.c522
-rw-r--r--net/wireless/rdev-ops.h24
-rw-r--r--net/wireless/reg.c49
-rw-r--r--net/wireless/trace.h58
6 files changed, 577 insertions, 81 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index a4d27927aba2..4c2e501203d1 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -541,6 +541,10 @@ int wiphy_register(struct wiphy *wiphy)
!wiphy->wowlan->tcp))
return -EINVAL;
#endif
+ if (WARN_ON((wiphy->features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) &&
+ (!rdev->ops->tdls_channel_switch ||
+ !rdev->ops->tdls_cancel_channel_switch)))
+ return -EINVAL;
if (WARN_ON(wiphy->coalesce &&
(!wiphy->coalesce->n_rules ||
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 61ee664cf2bd..faa5b1609aae 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -111,6 +111,7 @@ cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
rdev->wiphy.wowlan_config->tcp->sock)
sock_release(rdev->wiphy.wowlan_config->tcp->sock);
kfree(rdev->wiphy.wowlan_config->tcp);
+ kfree(rdev->wiphy.wowlan_config->nd_config);
kfree(rdev->wiphy.wowlan_config);
#endif
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1a31736914e5..6e4177701d86 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -209,7 +209,7 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
}
/* policy for the attributes */
-static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
+static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
.len = 20-1 },
@@ -388,13 +388,14 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
- [NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG },
+ [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
[NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
[NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
[NL80211_ATTR_TSID] = { .type = NLA_U8 },
[NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
[NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
[NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
+ [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
};
/* policy for the key attributes */
@@ -428,6 +429,7 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
+ [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
};
static const struct nla_policy
@@ -1088,6 +1090,8 @@ static int nl80211_send_wowlan(struct sk_buff *msg,
if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
return -ENOBUFS;
+ /* TODO: send wowlan net detect */
+
nla_nest_end(msg, nl_wowlan);
return 0;
@@ -2341,12 +2345,16 @@ static int nl80211_send_chandef(struct sk_buff *msg,
static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev)
+ struct wireless_dev *wdev, bool removal)
{
struct net_device *dev = wdev->netdev;
+ u8 cmd = NL80211_CMD_NEW_INTERFACE;
void *hdr;
- hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
+ if (removal)
+ cmd = NL80211_CMD_DEL_INTERFACE;
+
+ hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
return -1;
@@ -2413,7 +2421,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
}
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- rdev, wdev) < 0) {
+ rdev, wdev, false) < 0) {
goto out;
}
if_idx++;
@@ -2441,7 +2449,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
return -ENOMEM;
if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
- rdev, wdev) < 0) {
+ rdev, wdev, false) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
@@ -2587,7 +2595,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params;
struct wireless_dev *wdev;
- struct sk_buff *msg;
+ struct sk_buff *msg, *event;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
u32 flags;
@@ -2641,12 +2649,15 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev = rdev_add_virtual_intf(rdev,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params);
- if (IS_ERR(wdev)) {
+ if (WARN_ON(!wdev)) {
+ nlmsg_free(msg);
+ return -EPROTO;
+ } else if (IS_ERR(wdev)) {
nlmsg_free(msg);
return PTR_ERR(wdev);
}
- if (info->attrs[NL80211_ATTR_IFACE_SOCKET_OWNER])
+ if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
wdev->owner_nlportid = info->snd_portid;
switch (type) {
@@ -2682,11 +2693,25 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
}
if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
- rdev, wdev) < 0) {
+ rdev, wdev, false) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
+ event = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (event) {
+ if (nl80211_send_iface(event, 0, 0, 0,
+ rdev, wdev, false) < 0) {
+ nlmsg_free(event);
+ goto out;
+ }
+
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
+ event, 0, NL80211_MCGRP_CONFIG,
+ GFP_KERNEL);
+ }
+
+out:
return genlmsg_reply(msg, info);
}
@@ -2694,10 +2719,18 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev = info->user_ptr[1];
+ struct sk_buff *msg;
+ int status;
if (!rdev->ops->del_virtual_intf)
return -EOPNOTSUPP;
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (msg && nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, true) < 0) {
+ nlmsg_free(msg);
+ msg = NULL;
+ }
+
/*
* If we remove a wireless device without a netdev then clear
* user_ptr[1] so that nl80211_post_doit won't dereference it
@@ -2708,7 +2741,15 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
if (!wdev->netdev)
info->user_ptr[1] = NULL;
- return rdev_del_virtual_intf(rdev, wdev);
+ status = rdev_del_virtual_intf(rdev, wdev);
+ if (status >= 0 && msg)
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
+ msg, 0, NL80211_MCGRP_CONFIG,
+ GFP_KERNEL);
+ else
+ nlmsg_free(msg);
+
+ return status;
}
static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
@@ -4453,7 +4494,7 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
void *hdr;
struct nlattr *pinfoattr;
- hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
+ hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
if (!hdr)
return -1;
@@ -5478,6 +5519,43 @@ static int validate_scan_freqs(struct nlattr *freqs)
return n_channels;
}
+static int nl80211_parse_random_mac(struct nlattr **attrs,
+ u8 *mac_addr, u8 *mac_addr_mask)
+{
+ int i;
+
+ if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
+ memset(mac_addr, 0, ETH_ALEN);
+ memset(mac_addr_mask, 0, ETH_ALEN);
+ mac_addr[0] = 0x2;
+ mac_addr_mask[0] = 0x3;
+
+ return 0;
+ }
+
+ /* need both or none */
+ if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
+ return -EINVAL;
+
+ memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
+ memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
+
+ /* don't allow or configure an mcast address */
+ if (!is_multicast_ether_addr(mac_addr_mask) ||
+ is_multicast_ether_addr(mac_addr))
+ return -EINVAL;
+
+ /*
+ * allow users to pass a MAC address that has bits set outside
+ * of the mask, but don't bother drivers with having to deal
+ * with such bits
+ */
+ for (i = 0; i < ETH_ALEN; i++)
+ mac_addr[i] &= mac_addr_mask[i];
+
+ return 0;
+}
+
static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -5655,6 +5733,25 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
err = -EOPNOTSUPP;
goto out_free;
}
+
+ if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ if (!(wiphy->features &
+ NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) {
+ err = -EOPNOTSUPP;
+ goto out_free;
+ }
+
+ if (wdev->current_bss) {
+ err = -EOPNOTSUPP;
+ goto out_free;
+ }
+
+ err = nl80211_parse_random_mac(info->attrs,
+ request->mac_addr,
+ request->mac_addr_mask);
+ if (err)
+ goto out_free;
+ }
}
request->no_cck =
@@ -5681,14 +5778,12 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
return err;
}
-static int nl80211_start_sched_scan(struct sk_buff *skb,
- struct genl_info *info)
+static struct cfg80211_sched_scan_request *
+nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct nlattr **attrs)
{
struct cfg80211_sched_scan_request *request;
- struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
struct nlattr *attr;
- struct wiphy *wiphy;
int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
u32 interval;
enum ieee80211_band band;
@@ -5696,38 +5791,32 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
- if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
- !rdev->ops->sched_scan_start)
- return -EOPNOTSUPP;
-
- if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
- return -EINVAL;
+ if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE]))
+ return ERR_PTR(-EINVAL);
- if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
- return -EINVAL;
+ if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
+ return ERR_PTR(-EINVAL);
- interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
+ interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
if (interval == 0)
- return -EINVAL;
-
- wiphy = &rdev->wiphy;
+ return ERR_PTR(-EINVAL);
- if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
n_channels = validate_scan_freqs(
- info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
+ attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
if (!n_channels)
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
} else {
n_channels = ieee80211_get_num_supported_channels(wiphy);
}
- if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
- nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
+ if (attrs[NL80211_ATTR_SCAN_SSIDS])
+ nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
tmp)
n_ssids++;
if (n_ssids > wiphy->max_sched_scan_ssids)
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
/*
* First, count the number of 'real' matchsets. Due to an issue with
@@ -5738,9 +5827,9 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
* older userspace that treated a matchset with only the RSSI as the
* global RSSI for all other matchsets - if there are other matchsets.
*/
- if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
+ if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
nla_for_each_nested(attr,
- info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
+ attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
tmp) {
struct nlattr *rssi;
@@ -5748,7 +5837,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
nla_data(attr), nla_len(attr),
nl80211_match_policy);
if (err)
- return err;
+ return ERR_PTR(err);
/* add other standalone attributes here */
if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) {
n_match_sets++;
@@ -5765,30 +5854,23 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
n_match_sets = 1;
if (n_match_sets > wiphy->max_match_sets)
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
- if (info->attrs[NL80211_ATTR_IE])
- ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ if (attrs[NL80211_ATTR_IE])
+ ie_len = nla_len(attrs[NL80211_ATTR_IE]);
else
ie_len = 0;
if (ie_len > wiphy->max_sched_scan_ie_len)
- return -EINVAL;
-
- if (rdev->sched_scan_req) {
- err = -EINPROGRESS;
- goto out;
- }
+ return ERR_PTR(-EINVAL);
request = kzalloc(sizeof(*request)
+ sizeof(*request->ssids) * n_ssids
+ sizeof(*request->match_sets) * n_match_sets
+ sizeof(*request->channels) * n_channels
+ ie_len, GFP_KERNEL);
- if (!request) {
- err = -ENOMEM;
- goto out;
- }
+ if (!request)
+ return ERR_PTR(-ENOMEM);
if (n_ssids)
request->ssids = (void *)&request->channels[n_channels];
@@ -5813,10 +5895,10 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
request->n_match_sets = n_match_sets;
i = 0;
- if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
/* user specified, bail out if channel not found */
nla_for_each_nested(attr,
- info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
+ attrs[NL80211_ATTR_SCAN_FREQUENCIES],
tmp) {
struct ieee80211_channel *chan;
@@ -5862,8 +5944,8 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
request->n_channels = i;
i = 0;
- if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
- nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
+ if (attrs[NL80211_ATTR_SCAN_SSIDS]) {
+ nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
tmp) {
if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
err = -EINVAL;
@@ -5877,9 +5959,9 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
}
i = 0;
- if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
+ if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
nla_for_each_nested(attr,
- info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
+ attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
tmp) {
struct nlattr *ssid, *rssi;
@@ -5934,36 +6016,88 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len) {
request->ie_len = ie_len;
memcpy((void *)request->ie,
- nla_data(info->attrs[NL80211_ATTR_IE]),
+ nla_data(attrs[NL80211_ATTR_IE]),
request->ie_len);
}
- if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
+ if (attrs[NL80211_ATTR_SCAN_FLAGS]) {
request->flags = nla_get_u32(
- info->attrs[NL80211_ATTR_SCAN_FLAGS]);
+ attrs[NL80211_ATTR_SCAN_FLAGS]);
if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
!(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
err = -EOPNOTSUPP;
goto out_free;
}
+
+ if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
+
+ if (!wdev) /* must be net-detect */
+ flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
+
+ if (!(wiphy->features & flg)) {
+ err = -EOPNOTSUPP;
+ goto out_free;
+ }
+
+ if (wdev && wdev->current_bss) {
+ err = -EOPNOTSUPP;
+ goto out_free;
+ }
+
+ err = nl80211_parse_random_mac(attrs, request->mac_addr,
+ request->mac_addr_mask);
+ if (err)
+ goto out_free;
+ }
}
- request->dev = dev;
- request->wiphy = &rdev->wiphy;
request->interval = interval;
request->scan_start = jiffies;
- err = rdev_sched_scan_start(rdev, dev, request);
- if (!err) {
- rdev->sched_scan_req = request;
- nl80211_send_sched_scan(rdev, dev,
- NL80211_CMD_START_SCHED_SCAN);
- goto out;
- }
+ return request;
out_free:
kfree(request);
-out:
+ return ERR_PTR(err);
+}
+
+static int nl80211_start_sched_scan(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
+ !rdev->ops->sched_scan_start)
+ return -EOPNOTSUPP;
+
+ if (rdev->sched_scan_req)
+ return -EINPROGRESS;
+
+ rdev->sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
+ info->attrs);
+ err = PTR_ERR_OR_ZERO(rdev->sched_scan_req);
+ if (err)
+ goto out_err;
+
+ err = rdev_sched_scan_start(rdev, dev, rdev->sched_scan_req);
+ if (err)
+ goto out_free;
+
+ rdev->sched_scan_req->dev = dev;
+ rdev->sched_scan_req->wiphy = &rdev->wiphy;
+
+ nl80211_send_sched_scan(rdev, dev,
+ NL80211_CMD_START_SCHED_SCAN);
+ return 0;
+
+out_free:
+ kfree(rdev->sched_scan_req);
+out_err:
+ rdev->sched_scan_req = NULL;
return err;
}
@@ -8681,6 +8815,39 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
return 0;
}
+static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
+ const struct wiphy_wowlan_support *wowlan,
+ struct nlattr *attr,
+ struct cfg80211_wowlan *trig)
+{
+ struct nlattr **tb;
+ int err;
+
+ tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL);
+ if (!tb)
+ return -ENOMEM;
+
+ if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = nla_parse(tb, NL80211_ATTR_MAX,
+ nla_data(attr), nla_len(attr),
+ nl80211_policy);
+ if (err)
+ goto out;
+
+ trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb);
+ err = PTR_ERR_OR_ZERO(trig->nd_config);
+ if (err)
+ trig->nd_config = NULL;
+
+out:
+ kfree(tb);
+ return err;
+}
+
static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -8826,6 +8993,14 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
goto error;
}
+ if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
+ err = nl80211_parse_wowlan_nd(
+ rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
+ &new_triggers);
+ if (err)
+ goto error;
+ }
+
ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
if (!ntrig) {
err = -ENOMEM;
@@ -9658,6 +9833,98 @@ static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int nl80211_tdls_channel_switch(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_chan_def chandef = {};
+ const u8 *addr;
+ u8 oper_class;
+ int err;
+
+ if (!rdev->ops->tdls_channel_switch ||
+ !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
+ return -EOPNOTSUPP;
+
+ switch (dev->ieee80211_ptr->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if (!info->attrs[NL80211_ATTR_MAC] ||
+ !info->attrs[NL80211_ATTR_OPER_CLASS])
+ return -EINVAL;
+
+ err = nl80211_parse_chandef(rdev, info, &chandef);
+ if (err)
+ return err;
+
+ /*
+ * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
+ * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
+ * specification is not defined for them.
+ */
+ if (chandef.chan->band == IEEE80211_BAND_2GHZ &&
+ chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
+ chandef.width != NL80211_CHAN_WIDTH_20)
+ return -EINVAL;
+
+ /* we will be active on the TDLS link */
+ if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype))
+ return -EINVAL;
+
+ /* don't allow switching to DFS channels */
+ if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
+ return -EINVAL;
+
+ addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
+
+ wdev_lock(wdev);
+ err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
+ wdev_unlock(wdev);
+
+ return err;
+}
+
+static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ const u8 *addr;
+
+ if (!rdev->ops->tdls_channel_switch ||
+ !rdev->ops->tdls_cancel_channel_switch ||
+ !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
+ return -EOPNOTSUPP;
+
+ switch (dev->ieee80211_ptr->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ wdev_lock(wdev);
+ rdev_tdls_cancel_channel_switch(rdev, dev, addr);
+ wdev_unlock(wdev);
+
+ return 0;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -10456,6 +10723,22 @@ static const struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
+ .doit = nl80211_tdls_channel_switch,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
+ .doit = nl80211_tdls_cancel_channel_switch,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
/* notification functions */
@@ -11653,7 +11936,9 @@ EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
struct cfg80211_chan_def *chandef,
- gfp_t gfp)
+ gfp_t gfp,
+ enum nl80211_commands notif,
+ u8 count)
{
struct sk_buff *msg;
void *hdr;
@@ -11662,7 +11947,7 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
if (!msg)
return;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
if (!hdr) {
nlmsg_free(msg);
return;
@@ -11674,6 +11959,10 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
if (nl80211_send_chandef(msg, chandef))
goto nla_put_failure;
+ if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
+ (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
+ goto nla_put_failure;
+
genlmsg_end(msg, hdr);
genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
@@ -11696,18 +11985,28 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
trace_cfg80211_ch_switch_notify(dev, chandef);
- if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
- wdev->iftype != NL80211_IFTYPE_P2P_GO &&
- wdev->iftype != NL80211_IFTYPE_ADHOC &&
- wdev->iftype != NL80211_IFTYPE_MESH_POINT))
- return;
-
wdev->chandef = *chandef;
wdev->preset_chandef = *chandef;
- nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
+ nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
+ NL80211_CMD_CH_SWITCH_NOTIFY, 0);
}
EXPORT_SYMBOL(cfg80211_ch_switch_notify);
+void cfg80211_ch_switch_started_notify(struct net_device *dev,
+ struct cfg80211_chan_def *chandef,
+ u8 count)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+
+ trace_cfg80211_ch_switch_started_notify(dev, chandef);
+
+ nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
+ NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
+}
+EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
+
void cfg80211_cqm_txe_notify(struct net_device *dev,
const u8 *peer, u32 num_packets,
u32 rate, u32 intvl, gfp_t gfp)
@@ -11944,6 +12243,67 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
EXPORT_SYMBOL(cfg80211_report_obss_beacon);
#ifdef CONFIG_PM
+static int cfg80211_net_detect_results(struct sk_buff *msg,
+ struct cfg80211_wowlan_wakeup *wakeup)
+{
+ struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
+ struct nlattr *nl_results, *nl_match, *nl_freqs;
+ int i, j;
+
+ nl_results = nla_nest_start(
+ msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
+ if (!nl_results)
+ return -EMSGSIZE;
+
+ for (i = 0; i < nd->n_matches; i++) {
+ struct cfg80211_wowlan_nd_match *match = nd->matches[i];
+
+ nl_match = nla_nest_start(msg, i);
+ if (!nl_match)
+ break;
+
+ /* The SSID attribute is optional in nl80211, but for
+ * simplicity reasons it's always present in the
+ * cfg80211 structure. If a driver can't pass the
+ * SSID, that needs to be changed. A zero length SSID
+ * is still a valid SSID (wildcard), so it cannot be
+ * used for this purpose.
+ */
+ if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
+ match->ssid.ssid)) {
+ nla_nest_cancel(msg, nl_match);
+ goto out;
+ }
+
+ if (match->n_channels) {
+ nl_freqs = nla_nest_start(
+ msg, NL80211_ATTR_SCAN_FREQUENCIES);
+ if (!nl_freqs) {
+ nla_nest_cancel(msg, nl_match);
+ goto out;
+ }
+
+ for (j = 0; j < match->n_channels; j++) {
+ if (nla_put_u32(msg,
+ NL80211_ATTR_WIPHY_FREQ,
+ match->channels[j])) {
+ nla_nest_cancel(msg, nl_freqs);
+ nla_nest_cancel(msg, nl_match);
+ goto out;
+ }
+ }
+
+ nla_nest_end(msg, nl_freqs);
+ }
+
+ nla_nest_end(msg, nl_match);
+ }
+
+out:
+ nla_nest_end(msg, nl_results);
+ return 0;
+}
+
void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
struct cfg80211_wowlan_wakeup *wakeup,
gfp_t gfp)
@@ -12038,6 +12398,10 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
goto free_msg;
}
+ if (wakeup->net_detect &&
+ cfg80211_net_detect_results(msg, wakeup))
+ goto free_msg;
+
nla_nest_end(msg, reasons);
}
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 1b3864cd50ca..35cfb7134bdb 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -993,4 +993,28 @@ rdev_del_tx_ts(struct cfg80211_registered_device *rdev,
return ret;
}
+static inline int
+rdev_tdls_channel_switch(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *addr,
+ u8 oper_class, struct cfg80211_chan_def *chandef)
+{
+ int ret;
+
+ trace_rdev_tdls_channel_switch(&rdev->wiphy, dev, addr, oper_class,
+ chandef);
+ ret = rdev->ops->tdls_channel_switch(&rdev->wiphy, dev, addr,
+ oper_class, chandef);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static inline void
+rdev_tdls_cancel_channel_switch(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *addr)
+{
+ trace_rdev_tdls_cancel_channel_switch(&rdev->wiphy, dev, addr);
+ rdev->ops->tdls_cancel_channel_switch(&rdev->wiphy, dev, addr);
+ trace_rdev_return_void(&rdev->wiphy);
+}
+
#endif /* __CFG80211_RDEV_OPS */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index b725a31a4751..32d8310b0f85 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -573,8 +573,9 @@ static const struct ieee80211_regdomain *reg_get_regdomain(struct wiphy *wiphy)
return get_cfg80211_regdom();
}
-unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
- const struct ieee80211_reg_rule *rule)
+static unsigned int
+reg_get_max_bandwidth_from_range(const struct ieee80211_regdomain *rd,
+ const struct ieee80211_reg_rule *rule)
{
const struct ieee80211_freq_range *freq_range = &rule->freq_range;
const struct ieee80211_freq_range *freq_range_tmp;
@@ -622,6 +623,27 @@ unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
return end_freq - start_freq;
}
+unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
+ const struct ieee80211_reg_rule *rule)
+{
+ unsigned int bw = reg_get_max_bandwidth_from_range(rd, rule);
+
+ if (rule->flags & NL80211_RRF_NO_160MHZ)
+ bw = min_t(unsigned int, bw, MHZ_TO_KHZ(80));
+ if (rule->flags & NL80211_RRF_NO_80MHZ)
+ bw = min_t(unsigned int, bw, MHZ_TO_KHZ(40));
+
+ /*
+ * HT40+/HT40- limits are handled per-channel. Only limit BW if both
+ * are not allowed.
+ */
+ if (rule->flags & NL80211_RRF_NO_HT40MINUS &&
+ rule->flags & NL80211_RRF_NO_HT40PLUS)
+ bw = min_t(unsigned int, bw, MHZ_TO_KHZ(20));
+
+ return bw;
+}
+
/* Sanity check on a regulatory rule */
static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
{
@@ -946,6 +968,16 @@ static u32 map_regdom_flags(u32 rd_flags)
channel_flags |= IEEE80211_CHAN_NO_OFDM;
if (rd_flags & NL80211_RRF_NO_OUTDOOR)
channel_flags |= IEEE80211_CHAN_INDOOR_ONLY;
+ if (rd_flags & NL80211_RRF_GO_CONCURRENT)
+ channel_flags |= IEEE80211_CHAN_GO_CONCURRENT;
+ if (rd_flags & NL80211_RRF_NO_HT40MINUS)
+ channel_flags |= IEEE80211_CHAN_NO_HT40MINUS;
+ if (rd_flags & NL80211_RRF_NO_HT40PLUS)
+ channel_flags |= IEEE80211_CHAN_NO_HT40PLUS;
+ if (rd_flags & NL80211_RRF_NO_80MHZ)
+ channel_flags |= IEEE80211_CHAN_NO_80MHZ;
+ if (rd_flags & NL80211_RRF_NO_160MHZ)
+ channel_flags |= IEEE80211_CHAN_NO_160MHZ;
return channel_flags;
}
@@ -1565,10 +1597,23 @@ static void handle_channel_custom(struct wiphy *wiphy,
if (max_bandwidth_khz < MHZ_TO_KHZ(160))
bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ chan->dfs_state_entered = jiffies;
+ chan->dfs_state = NL80211_DFS_USABLE;
+
+ chan->beacon_found = false;
chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags;
chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain);
chan->max_reg_power = chan->max_power =
(int) MBM_TO_DBM(power_rule->max_eirp);
+
+ if (chan->flags & IEEE80211_CHAN_RADAR) {
+ if (reg_rule->dfs_cac_ms)
+ chan->dfs_cac_ms = reg_rule->dfs_cac_ms;
+ else
+ chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+ }
+
+ chan->max_power = chan->max_reg_power;
}
static void handle_band_custom(struct wiphy *wiphy,
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 277a85df910e..ad38910f7036 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -2032,6 +2032,48 @@ TRACE_EVENT(rdev_del_tx_ts,
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->tsid)
);
+TRACE_EVENT(rdev_tdls_channel_switch,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ const u8 *addr, u8 oper_class,
+ struct cfg80211_chan_def *chandef),
+ TP_ARGS(wiphy, netdev, addr, oper_class, chandef),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ MAC_ENTRY(addr)
+ __field(u8, oper_class)
+ CHAN_DEF_ENTRY
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ MAC_ASSIGN(addr, addr);
+ CHAN_DEF_ASSIGN(chandef);
+ ),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT
+ " oper class %d, " CHAN_DEF_PR_FMT,
+ WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(addr),
+ __entry->oper_class, CHAN_DEF_PR_ARG)
+);
+
+TRACE_EVENT(rdev_tdls_cancel_channel_switch,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ const u8 *addr),
+ TP_ARGS(wiphy, netdev, addr),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ MAC_ENTRY(addr)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ MAC_ASSIGN(addr, addr);
+ ),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT,
+ WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(addr))
+);
+
/*************************************************************
* cfg80211 exported functions traces *
*************************************************************/
@@ -2355,6 +2397,22 @@ TRACE_EVENT(cfg80211_ch_switch_notify,
NETDEV_PR_ARG, CHAN_DEF_PR_ARG)
);
+TRACE_EVENT(cfg80211_ch_switch_started_notify,
+ TP_PROTO(struct net_device *netdev,
+ struct cfg80211_chan_def *chandef),
+ TP_ARGS(netdev, chandef),
+ TP_STRUCT__entry(
+ NETDEV_ENTRY
+ CHAN_DEF_ENTRY
+ ),
+ TP_fast_assign(
+ NETDEV_ASSIGN;
+ CHAN_DEF_ASSIGN(chandef);
+ ),
+ TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT,
+ NETDEV_PR_ARG, CHAN_DEF_PR_ARG)
+);
+
TRACE_EVENT(cfg80211_radar_event,
TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef),
TP_ARGS(wiphy, chandef),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 06:00:40 +0000