diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 68dca3d93b85..9898e1f883e2 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2313,6 +2313,19 @@ struct cfg80211_qos_map {
struct cfg80211_dscp_range up[8];
};
+/**
+ * struct cfg80211_nan_conf - NAN configuration
+ *
+ * This struct defines NAN configuration parameters
+ *
+ * @master_pref: master preference (1 - 255)
+ * @dual: dual band operation mode, see &enum nl80211_nan_dual_band_conf
+ */
+struct cfg80211_nan_conf {
+ u8 master_pref;
+ u8 dual;
+};
+
/**
* struct cfg80211_ops - backend description for wireless configuration
*
@@ -2601,6 +2614,8 @@ struct cfg80211_qos_map {
* and returning to the base channel for communication with the AP.
* @tdls_cancel_channel_switch: Stop channel-switching with a TDLS peer. Both
* peers must be on the base channel when the call completes.
+ * @start_nan: Start the NAN interface.
+ * @stop_nan: Stop the NAN interface.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -2866,6 +2881,9 @@ struct cfg80211_ops {
void (*tdls_cancel_channel_switch)(struct wiphy *wiphy,
struct net_device *dev,
const u8 *addr);
+ int (*start_nan)(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_nan_conf *conf);
+ void (*stop_nan)(struct wiphy *wiphy, struct wireless_dev *wdev);
};
/*
@@ -3626,6 +3644,7 @@ struct cfg80211_cached_keys;
* beacons, 0 when not valid
* @address: The address for this device, valid only if @netdev is %NULL
* @p2p_started: true if this is a P2P Device that has been started
+ * @nan_started: true if this is a NAN interface that has been started
* @cac_started: true if DFS channel availability check has been started
* @cac_start_time: timestamp (jiffies) when the dfs state was entered.
* @cac_time_ms: CAC time in ms
@@ -3657,7 +3676,7 @@ struct wireless_dev {
struct mutex mtx;
- bool use_4addr, p2p_started;
+ bool use_4addr, p2p_started, nan_started;
u8 address[ETH_ALEN] __aligned(sizeof(u16));
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index ec10d1b2838f..98fd3ec8598d 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -838,6 +838,16 @@
* not running. The driver indicates the status of the scan through
* cfg80211_scan_done().
*
+ * @NL80211_CMD_START_NAN: Start NAN operation, identified by its
+ * %NL80211_ATTR_WDEV interface. This interface must have been previously
+ * created with %NL80211_CMD_NEW_INTERFACE. After it has been started, the
+ * NAN interface will create or join a cluster. This command must have a
+ * valid %NL80211_ATTR_NAN_MASTER_PREF attribute and optional
+ * %NL80211_ATTR_NAN_DUAL attributes.
+ * After this command NAN functions can be added.
+ * @NL80211_CMD_STOP_NAN: Stop the NAN operation, identified by
+ * its %NL80211_ATTR_WDEV interface.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1026,6 +1036,9 @@ enum nl80211_commands {
NL80211_CMD_ABORT_SCAN,
+ NL80211_CMD_START_NAN,
+ NL80211_CMD_STOP_NAN,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -1739,6 +1752,12 @@ enum nl80211_commands {
* regulatory indoor configuration would be owned by the netlink socket
* that configured the indoor setting, and the indoor operation would be
* cleared when the socket is closed.
+ * If set during NAN interface creation, the interface will be destroyed
+ * if the socket is closed just like any other interface. Moreover, only
+ * the netlink socket that created the interface will be allowed to add
+ * and remove functions. NAN notifications will be sent in unicast to that
+ * socket. Without this attribute, any socket can add functions and the
+ * notifications will be sent to the %NL80211_MCGRP_NAN multicast group.
*
* @NL80211_ATTR_TDLS_INITIATOR: flag attribute indicating the current end is
* the TDLS link initiator.
@@ -1873,6 +1892,14 @@ enum nl80211_commands {
* @NL80211_ATTR_MESH_PEER_AID: Association ID for the mesh peer (u16). This is
* used to pull the stored data for mesh peer in power save state.
*
+ * @NL80211_ATTR_NAN_MASTER_PREF: the master preference to be used by
+ * %NL80211_CMD_START_NAN. Its type is u8 and it can't be 0.
+ * Also, values 1 and 255 are reserved for certification purposes and
+ * should not be used during a normal device operation.
+ * @NL80211_ATTR_NAN_DUAL: NAN dual band operation config (see
+ * &enum nl80211_nan_dual_band_conf). This attribute is used with
+ * %NL80211_CMD_START_NAN.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -2267,6 +2294,9 @@ enum nl80211_attrs {
NL80211_ATTR_MESH_PEER_AID,
+ NL80211_ATTR_NAN_MASTER_PREF,
+ NL80211_ATTR_NAN_DUAL,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -2345,6 +2375,7 @@ enum nl80211_attrs {
* commands to create and destroy one
* @NL80211_IF_TYPE_OCB: Outside Context of a BSS
* This mode corresponds to the MIB variable dot11OCBActivated=true
+ * @NL80211_IFTYPE_NAN: NAN device interface type (not a netdev)
* @NL80211_IFTYPE_MAX: highest interface type number currently defined
* @NUM_NL80211_IFTYPES: number of defined interface types
*
@@ -2365,6 +2396,7 @@ enum nl80211_iftype {
NL80211_IFTYPE_P2P_GO,
NL80211_IFTYPE_P2P_DEVICE,
NL80211_IFTYPE_OCB,
+ NL80211_IFTYPE_NAN,
/* keep last */
NUM_NL80211_IFTYPES,
@@ -4870,4 +4902,19 @@ enum nl80211_bss_select_attr {
NL80211_BSS_SELECT_ATTR_MAX = __NL80211_BSS_SELECT_ATTR_AFTER_LAST - 1
};
+/**
+ * enum nl80211_nan_dual_band_conf - NAN dual band configuration
+ *
+ * Defines the NAN dual band mode of operation
+ *
+ * @NL80211_NAN_BAND_DEFAULT: device default mode
+ * @NL80211_NAN_BAND_2GHZ: 2.4GHz mode
+ * @NL80211_NAN_BAND_5GHZ: 5GHz mode
+ */
+enum nl80211_nan_dual_band_conf {
+ NL80211_NAN_BAND_DEFAULT = 1 << 0,
+ NL80211_NAN_BAND_2GHZ = 1 << 1,
+ NL80211_NAN_BAND_5GHZ = 1 << 2,
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e29ff5749944..a74027f887bc 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -257,6 +257,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
case NL80211_IFTYPE_P2P_CLIENT:
@@ -2036,6 +2037,7 @@ static int ieee80211_scan(struct wiphy *wiphy,
!(req->flags & NL80211_SCAN_FLAG_AP)))
return -EOPNOTSUPP;
break;
+ case NL80211_IFTYPE_NAN:
default:
return -EOPNOTSUPP;
}
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 74142d07ad31..d035801569eb 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -274,6 +274,7 @@ ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
ieee80211_get_max_required_bw(sdata));
break;
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
continue;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_WDS:
@@ -718,6 +719,7 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
switch (sdata->vif.type) {
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
continue;
case NL80211_IFTYPE_STATION:
if (!sdata->u.mgd.associated)
@@ -980,6 +982,7 @@ ieee80211_vif_chanctx_reservation_complete(struct ieee80211_sub_if_data *sdata)
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
case NUM_NL80211_IFTYPES:
WARN_ON(1);
break;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b0abddc714ef..e694ca2baad0 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -545,6 +545,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_P2P_DEVICE:
case NL80211_IFTYPE_OCB:
+ case NL80211_IFTYPE_NAN:
/* no special treatment */
break;
case NL80211_IFTYPE_UNSPECIFIED:
@@ -660,6 +661,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
break;
default:
/* not reached */
@@ -948,6 +950,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
/* relies on synchronize_rcu() below */
RCU_INIT_POINTER(local->p2p_sdata, NULL);
/* fall through */
+ case NL80211_IFTYPE_NAN:
default:
cancel_work_sync(&sdata->work);
/*
@@ -1457,6 +1460,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
break;
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
sdata->vif.bss_conf.bssid = sdata->vif.addr;
break;
case NL80211_IFTYPE_UNSPECIFIED:
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 55a9c5b94ce1..75d5c960ce67 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -838,6 +838,7 @@ int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
case NL80211_IFTYPE_P2P_DEVICE:
need_offchan = true;
break;
+ case NL80211_IFTYPE_NAN:
default:
return -EOPNOTSUPP;
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index e796060b7c5e..c9489a86e6d6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3586,6 +3586,9 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
ieee80211_is_probe_req(hdr->frame_control) ||
ieee80211_is_probe_resp(hdr->frame_control) ||
ieee80211_is_beacon(hdr->frame_control);
+ case NL80211_IFTYPE_NAN:
+ /* Currently no frames on NAN interface are allowed */
+ return false;
default:
break;
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index b6865d884487..2c78541f695c 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1975,6 +1975,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
/* nothing to do */
break;
case NL80211_IFTYPE_UNSPECIFIED:
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 0f506220a3bd..5497d022fada 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -372,6 +372,7 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
break;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
@@ -946,6 +947,7 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
/* these interface types don't really have a channel */
return;
case NL80211_IFTYPE_UNSPECIFIED:
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 4911cd997b9a..013987243c0b 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -225,6 +225,23 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
}
}
+void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
+{
+ ASSERT_RTNL();
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_NAN))
+ return;
+
+ if (!wdev->nan_started)
+ return;
+
+ rdev_stop_nan(rdev, wdev);
+ wdev->nan_started = false;
+
+ rdev->opencount--;
+}
+
void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
@@ -242,6 +259,9 @@ void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy)
case NL80211_IFTYPE_P2P_DEVICE:
cfg80211_stop_p2p_device(rdev, wdev);
break;
+ case NL80211_IFTYPE_NAN:
+ cfg80211_stop_nan(rdev, wdev);
+ break;
default:
break;
}
@@ -537,6 +557,11 @@ static int wiphy_verify_combinations(struct wiphy *wiphy)
c->limits[j].max > 1))
return -EINVAL;
+ /* Only a single NAN can be allowed */
+ if (WARN_ON(types & BIT(NL80211_IFTYPE_NAN) &&
+ c->limits[j].max > 1))
+ return -EINVAL;
+
cnt += c->limits[j].max;
/*
* Don't advertise an unsupported type
@@ -579,6 +604,10 @@ int wiphy_register(struct wiphy *wiphy)
!rdev->ops->tdls_cancel_channel_switch)))
return -EINVAL;
+ if (WARN_ON((wiphy->interface_modes & BIT(NL80211_IFTYPE_NAN)) &&
+ (!rdev->ops->start_nan || !rdev->ops->stop_nan)))
+ return -EINVAL;
+
/*
* if a wiphy has unsupported modes for regulatory channel enforcement,
* opt-out of enforcement checking
@@ -589,6 +618,7 @@ int wiphy_register(struct wiphy *wiphy)
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_NAN) |
BIT(NL80211_IFTYPE_AP_VLAN) |
BIT(NL80211_IFTYPE_MONITOR)))
wiphy->regulatory_flags |= REGULATORY_IGNORE_STALE_KICKOFF;
@@ -916,6 +946,9 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
cfg80211_mlme_purge_registrations(wdev);
cfg80211_stop_p2p_device(rdev, wdev);
break;
+ case NL80211_IFTYPE_NAN:
+ cfg80211_stop_nan(rdev, wdev);
+ break;
default:
WARN_ON_ONCE(1);
break;
@@ -979,6 +1012,7 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
/* must be handled by mac80211/driver, has no APIs */
break;
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
/* cannot happen, has no netdev */
break;
case NL80211_IFTYPE_AP_VLAN:
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 554f87d0f991..08d2e948c9ad 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -488,6 +488,9 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
+void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev);
+
#define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index d6abb0704db5..cbb48e26a871 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -634,6 +634,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
* fall through, P2P device only supports
* public action frames
*/
+ case NL80211_IFTYPE_NAN:
default:
err = -EOPNOTSUPP;
break;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b8441e60b0f6..9e9fb37087fc 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -409,6 +409,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
.len = VHT_MUMIMO_GROUPS_DATA_LEN
},
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN },
+ [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 },
+ [NL80211_ATTR_NAN_DUAL] = { .type = NLA_U8 },
};
/* policy for the key attributes */
@@ -934,6 +936,7 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_OCB:
case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_NAN:
case NL80211_IFTYPE_P2P_DEVICE:
case NL80211_IFTYPE_WDS:
case NUM_NL80211_IFTYPES:
@@ -2819,7 +2822,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
!(rdev->wiphy.interface_modes & (1 << type)))
return -EOPNOTSUPP;
- if ((type == NL80211_IFTYPE_P2P_DEVICE ||
+ if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
info->attrs[NL80211_ATTR_MAC]) {
nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
@@ -2875,9 +2878,10 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev->mesh_id_up_len);
wdev_unlock(wdev);
break;
+ case NL80211_IFTYPE_NAN:
case NL80211_IFTYPE_P2P_DEVICE:
/*
- * P2P Device doesn't have a netdev, so doesn't go
+ * P2P Device and NAN do not have a netdev, so don't go
* through the netdev notifier and must be added here
*/
mutex_init(&wdev->mtx);
@@ -6434,6 +6438,9 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
wiphy = &rdev->wiphy;
+ if (wdev->iftype == NL80211_IFTYPE_NAN)
+ return -EOPNOTSUPP;
+
if (!rdev->ops->scan)
return -EOPNOTSUPP;
@@ -8977,6 +8984,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_P2P_DEVICE:
break;
+ case NL80211_IFTYPE_NAN:
default:
return -EOPNOTSUPP;
}
@@ -9022,6 +9030,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
break;
+ case NL80211_IFTYPE_NAN:
default:
return -EOPNOTSUPP;
}
@@ -9138,6 +9147,7 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_P2P_DEVICE:
break;
+ case NL80211_IFTYPE_NAN:
default:
return -EOPNOTSUPP;
}
@@ -10504,6 +10514,58 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
return 0;
}
+static int nl80211_start_nan(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 cfg80211_nan_conf conf = {};
+ int err;
+
+ if (wdev->iftype != NL80211_IFTYPE_NAN)
+ return -EOPNOTSUPP;
+
+ if (wdev->nan_started)
+ return -EEXIST;
+
+ if (rfkill_blocked(rdev->rfkill))
+ return -ERFKILL;
+
+ if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_NAN_DUAL])
+ return -EINVAL;
+
+ conf.master_pref =
+ nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
+ if (!conf.master_pref)
+ return -EINVAL;
+
+ conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]);
+
+ err = rdev_start_nan(rdev, wdev, &conf);
+ if (err)
+ return err;
+
+ wdev->nan_started = true;
+ rdev->opencount++;
+
+ return 0;
+}
+
+static int nl80211_stop_nan(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];
+
+ if (wdev->iftype != NL80211_IFTYPE_NAN)
+ return -EOPNOTSUPP;
+
+ cfg80211_stop_nan(rdev, wdev);
+
+ return 0;
+}
+
static int nl80211_get_protocol_features(struct sk_buff *skb,
struct genl_info *info)
{
@@ -11205,7 +11267,14 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
dev_hold(dev);
} else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
- if (!wdev->p2p_started) {
+ if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE &&
+ !wdev->p2p_started) {
+ if (rtnl)
+ rtnl_unlock();
+ return -ENETDOWN;
+ }
+ if (wdev->iftype == NL80211_IFTYPE_NAN &&
+ !wdev->nan_started) {
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
@@ -11838,6 +11907,22 @@ static const struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_START_NAN,
+ .doit = nl80211_start_nan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_STOP_NAN,
+ .doit = nl80211_stop_nan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
{
.cmd = NL80211_CMD_SET_MCAST_RATE,
.doit = nl80211_set_mcast_rate,
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 85ff30bee2b9..afb68a8428b9 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -887,6 +887,26 @@ static inline void rdev_stop_p2p_device(struct cfg80211_registered_device *rdev,
trace_rdev_return_void(&rdev->wiphy);
}
+static inline int rdev_start_nan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct cfg80211_nan_conf *conf)
+{
+ int ret;
+
+ trace_rdev_start_nan(&rdev->wiphy, wdev, conf);
+ ret = rdev->ops->start_nan(&rdev->wiphy, wdev, conf);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static inline void rdev_stop_nan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
+{
+ trace_rdev_stop_nan(&rdev->wiphy, wdev);
+ rdev->ops->stop_nan(&rdev->wiphy, wdev);
+ trace_rdev_return_void(&rdev->wiphy);
+}
+
static inline int rdev_set_mac_acl(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_acl_data *params)
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 72b5255cefe2..5f3370f4c6a2 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -1889,6 +1889,33 @@ DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_p2p_device,
TP_ARGS(wiphy, wdev)
);
+TRACE_EVENT(rdev_start_nan,
+ TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_nan_conf *conf),
+ TP_ARGS(wiphy, wdev, conf),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ WDEV_ENTRY
+ __field(u8, master_pref)
+ __field(u8, dual);
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ WDEV_ASSIGN;
+ __entry->master_pref = conf->master_pref;
+ __entry->dual = conf->dual;
+ ),
+ TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT
+ ", master preference: %u, dual: %d",
+ WIPHY_PR_ARG, WDEV_PR_ARG, __entry->master_pref,
+ __entry->dual)
+);
+
+DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_nan,
+ TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
+ TP_ARGS(wiphy, wdev)
+);
+
TRACE_EVENT(rdev_set_mac_acl,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
struct cfg80211_acl_data *params),
diff --git a/net/wireless/util.c b/net/wireless/util.c
index e02141d66b69..7a2d46b0058a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1008,8 +1008,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
if (otype == NL80211_IFTYPE_AP_VLAN)
return -EOPNOTSUPP;
- /* cannot change into P2P device type */
- if (ntype == NL80211_IFTYPE_P2P_DEVICE)
+ /* cannot change into P2P device or NAN */
+ if (ntype == NL80211_IFTYPE_P2P_DEVICE ||
+ ntype == NL80211_IFTYPE_NAN)
return -EOPNOTSUPP;
if (!rdev->ops->change_virtual_intf ||
@@ -1088,6 +1089,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
/* not happening */
break;
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
WARN_ON(1);
break;
}