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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c97
1 files changed, 28 insertions, 69 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a96da47d0640..ca8d04cb172f 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -411,9 +411,6 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
{
ASSERT_WDEV_LOCK(wdev);
- if (!netif_running(wdev->netdev))
- return -ENETDOWN;
-
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
@@ -2083,11 +2080,6 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
-
err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, &params);
out:
@@ -2301,9 +2293,6 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
}
@@ -2329,9 +2318,6 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
}
@@ -2823,9 +2809,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->scan)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
if (rdev->scan_req)
return -EBUSY;
@@ -3296,9 +3279,6 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
chan = ieee80211_get_channel(&rdev->wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
@@ -3429,9 +3409,6 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
chan = ieee80211_get_channel(&rdev->wiphy,
@@ -3493,9 +3470,6 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
@@ -3540,9 +3514,6 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
@@ -3596,9 +3567,6 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
wiphy = &rdev->wiphy;
if (info->attrs[NL80211_ATTR_MAC])
@@ -3673,9 +3641,6 @@ static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
return cfg80211_leave_ibss(rdev, dev, false);
}
@@ -3826,9 +3791,6 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
wiphy = &rdev->wiphy;
if (info->attrs[NL80211_ATTR_MAC])
@@ -3881,9 +3843,6 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
return cfg80211_disconnect(rdev, dev, reason, true);
}
@@ -3998,9 +3957,6 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (!rdev->ops->remain_on_channel)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
channel_type = nla_get_u32(
info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
@@ -4060,9 +4016,6 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
if (!rdev->ops->cancel_remain_on_channel)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
@@ -4207,9 +4160,6 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- if (!netif_running(dev))
- return -ENETDOWN;
-
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
channel_type = nla_get_u32(
info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
@@ -4398,6 +4348,9 @@ out:
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
+#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
+#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
+ NL80211_FLAG_CHECK_NETDEV_UP)
static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
@@ -4425,6 +4378,12 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
rtnl_unlock();
return err;
}
+ if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
+ !netif_running(dev)) {
+ if (rtnl)
+ rtnl_unlock();
+ return -ENETDOWN;
+ }
info->user_ptr[0] = rdev;
info->user_ptr[1] = dev;
}
@@ -4504,7 +4463,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_set_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4512,7 +4471,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_new_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4520,7 +4479,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_del_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4568,7 +4527,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_new_station,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4585,7 +4544,7 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4593,7 +4552,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_set_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4601,7 +4560,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_new_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4659,7 +4618,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_trigger_scan,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4672,7 +4631,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_authenticate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4680,7 +4639,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_associate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4688,7 +4647,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_deauthenticate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4696,7 +4655,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_disassociate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4704,7 +4663,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_join_ibss,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4712,7 +4671,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_leave_ibss,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
#ifdef CONFIG_NL80211_TESTMODE
@@ -4730,7 +4689,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_connect,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4738,7 +4697,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_disconnect,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4783,7 +4742,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4791,7 +4750,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_cancel_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -4815,7 +4774,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_tx_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-20 05:23:25 +0000