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cfg80211/nl80211: introduce p2p device types 

This adds P2P-STA and P2P-GO as device types so
we can distinguish between those and normal STA
or AP (respectively) type interfaces.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-09-16 14:58:22 +02:00 коммит произвёл John W. Linville
Родитель f799a301ab
Коммит 074ac8df9f
6 изменённых файлов: 65 добавлений и 24 удалений
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4
include/linux/nl80211.h
Просмотреть файл

@ -1020,6 +1020,8 @@ enum nl80211_attrs {
* @NL80211_IFTYPE_WDS: wireless distribution interface
* @NL80211_IFTYPE_MONITOR: monitor interface receiving all frames
* @NL80211_IFTYPE_MESH_POINT: mesh point
* @NL80211_IFTYPE_P2P_CLIENT: P2P client
* @NL80211_IFTYPE_P2P_GO: P2P group owner
* @NL80211_IFTYPE_MAX: highest interface type number currently defined
* @NUM_NL80211_IFTYPES: number of defined interface types
*
@ -1036,6 +1038,8 @@ enum nl80211_iftype {
NL80211_IFTYPE_WDS,
NL80211_IFTYPE_MONITOR,
NL80211_IFTYPE_MESH_POINT,
NL80211_IFTYPE_P2P_CLIENT,
NL80211_IFTYPE_P2P_GO,
/* keep last */
NUM_NL80211_IFTYPES,

2
net/wireless/core.c
Просмотреть файл

@ -726,6 +726,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
dev->ethtool_ops = &cfg80211_ethtool_ops;
if ((wdev->iftype == NL80211_IFTYPE_STATION ||
wdev->iftype == NL80211_IFTYPE_P2P_CLIENT ||
wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
dev->priv_flags |= IFF_DONT_BRIDGE;
break;
@ -734,6 +735,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, true);
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT

3
net/wireless/mlme.c
Просмотреть файл

@ -882,7 +882,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
if (!wdev->current_bss ||
memcmp(wdev->current_bss->pub.bssid, mgmt->bssid,
ETH_ALEN) != 0 ||
(wdev->iftype == NL80211_IFTYPE_STATION &&
((wdev->iftype == NL80211_IFTYPE_STATION ||
wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
memcmp(wdev->current_bss->pub.bssid, mgmt->da,
ETH_ALEN) != 0)) {
wdev_unlock(wdev);

56
net/wireless/nl80211.c
Просмотреть файл

@ -410,12 +410,14 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
break;
case NL80211_IFTYPE_ADHOC:
if (!wdev->current_bss)
return -ENOLINK;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->sme_state != CFG80211_SME_CONNECTED)
return -ENOLINK;
break;
@ -766,7 +768,8 @@ static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
wdev->iftype == NL80211_IFTYPE_AP ||
wdev->iftype == NL80211_IFTYPE_WDS ||
wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
wdev->iftype == NL80211_IFTYPE_MONITOR;
wdev->iftype == NL80211_IFTYPE_MONITOR ||
wdev->iftype == NL80211_IFTYPE_P2P_GO;
}
static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
@ -1693,7 +1696,8 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}
@ -1785,7 +1789,8 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}
@ -2128,10 +2133,12 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
switch (dev->ieee80211_ptr->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
/* disallow mesh-specific things */
if (params.plink_action)
err = -EINVAL;
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
/* disallow everything but AUTHORIZED flag */
if (params.plink_action)
@ -2233,7 +2240,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
goto out_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EINVAL;
goto out;
}
@ -2286,7 +2294,8 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EINVAL;
goto out;
}
@ -2660,7 +2669,8 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
err = -EOPNOTSUPP;
goto out;
}
@ -3363,6 +3373,7 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
}
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
if (intbss == wdev->current_bss)
NLA_PUT_U32(msg, NL80211_BSS_STATUS,
@ -3649,7 +3660,8 @@ static int nl80211_authenticate(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_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -3804,7 +3816,8 @@ static int nl80211_associate(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_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -3888,7 +3901,8 @@ static int nl80211_deauthenticate(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_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -3954,7 +3968,8 @@ static int nl80211_disassociate(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_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -4332,7 +4347,8 @@ static int nl80211_connect(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_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -4408,7 +4424,8 @@ static int nl80211_disconnect(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_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -4496,7 +4513,8 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -4541,7 +4559,8 @@ static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -4823,7 +4842,8 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
goto unlock_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -4875,7 +4895,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto out;
}
@ -5093,7 +5114,8 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
goto unlock_rdev;
}
if (wdev->iftype != NL80211_IFTYPE_STATION) {
if (wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) {
err = -EOPNOTSUPP;
goto unlock_rdev;
}

9
net/wireless/sme.c
Просмотреть файл

@ -411,7 +411,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
if (wdev->sme_state != CFG80211_SME_CONNECTING)
@ -548,7 +549,8 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
if (wdev->sme_state != CFG80211_SME_CONNECTED)
@ -644,7 +646,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
if (wdev->sme_state != CFG80211_SME_CONNECTED)

15
net/wireless/util.c
Просмотреть файл

@ -326,7 +326,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
case cpu_to_le16(IEEE80211_FCTL_TODS):
if (unlikely(iftype != NL80211_IFTYPE_AP &&
iftype != NL80211_IFTYPE_AP_VLAN))
iftype != NL80211_IFTYPE_AP_VLAN &&
iftype != NL80211_IFTYPE_P2P_GO))
return -1;
break;
case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
@ -354,7 +355,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
break;
case cpu_to_le16(IEEE80211_FCTL_FROMDS):
if ((iftype != NL80211_IFTYPE_STATION &&
iftype != NL80211_IFTYPE_MESH_POINT) ||
iftype != NL80211_IFTYPE_P2P_CLIENT &&
iftype != NL80211_IFTYPE_MESH_POINT) ||
(is_multicast_ether_addr(dst) &&
!compare_ether_addr(src, addr)))
return -1;
@ -431,6 +433,7 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
switch (iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
/* DA BSSID SA */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
@ -439,6 +442,7 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
hdrlen = 24;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
/* BSSID SA DA */
memcpy(hdr.addr1, bssid, ETH_ALEN);
@ -778,7 +782,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
/* if it's part of a bridge, reject changing type to station/ibss */
if ((dev->priv_flags & IFF_BRIDGE_PORT) &&
(ntype == NL80211_IFTYPE_ADHOC || ntype == NL80211_IFTYPE_STATION))
(ntype == NL80211_IFTYPE_ADHOC ||
ntype == NL80211_IFTYPE_STATION ||
ntype == NL80211_IFTYPE_P2P_CLIENT))
return -EBUSY;
if (ntype != otype) {
@ -789,6 +795,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
cfg80211_leave_ibss(rdev, dev, false);
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
break;
@ -817,9 +824,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
if (dev->ieee80211_ptr->use_4addr)
break;
/* fall through */
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_ADHOC:
dev->priv_flags |= IFF_DONT_BRIDGE;
break;
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS: