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-rw-r--r--include/linux/nl80211.h8
-rw-r--r--include/net/cfg80211.h11
-rw-r--r--net/mac80211/mlme.c23
-rw-r--r--net/wireless/core.h15
-rw-r--r--net/wireless/mlme.c39
-rw-r--r--net/wireless/nl80211.c19
-rw-r--r--net/wireless/sme.c15
7 files changed, 97 insertions, 33 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index daf6a3432b92..2ea3edeee7aa 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -703,6 +703,12 @@ enum nl80211_commands {
* @NL80211_ATTR_CQM: connection quality monitor configuration in a
* nested attribute with %NL80211_ATTR_CQM_* sub-attributes.
*
+ * @NL80211_ATTR_LOCAL_STATE_CHANGE: Flag attribute to indicate that a command
+ * is requesting a local authentication/association state change without
+ * invoking actual management frame exchange. This can be used with
+ * NL80211_CMD_AUTHENTICATE, NL80211_CMD_DEAUTHENTICATE,
+ * NL80211_CMD_DISASSOCIATE.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -856,6 +862,8 @@ enum nl80211_attrs {
NL80211_ATTR_CQM,
+ NL80211_ATTR_LOCAL_STATE_CHANGE,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 868cfd3b9724..37cebd3aa0f7 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -704,6 +704,10 @@ struct cfg80211_crypto_settings {
* @key_len: length of WEP key for shared key authentication
* @key_idx: index of WEP key for shared key authentication
* @key: WEP key for shared key authentication
+ * @local_state_change: This is a request for a local state only, i.e., no
+ * Authentication frame is to be transmitted and authentication state is
+ * to be changed without having to wait for a response from the peer STA
+ * (AP).
*/
struct cfg80211_auth_request {
struct cfg80211_bss *bss;
@@ -712,6 +716,7 @@ struct cfg80211_auth_request {
enum nl80211_auth_type auth_type;
const u8 *key;
u8 key_len, key_idx;
+ bool local_state_change;
};
/**
@@ -744,12 +749,15 @@ struct cfg80211_assoc_request {
* @ie: Extra IEs to add to Deauthentication frame or %NULL
* @ie_len: Length of ie buffer in octets
* @reason_code: The reason code for the deauthentication
+ * @local_state_change: This is a request for a local state only, i.e., no
+ * Deauthentication frame is to be transmitted.
*/
struct cfg80211_deauth_request {
struct cfg80211_bss *bss;
const u8 *ie;
size_t ie_len;
u16 reason_code;
+ bool local_state_change;
};
/**
@@ -762,12 +770,15 @@ struct cfg80211_deauth_request {
* @ie: Extra IEs to add to Disassociation frame or %NULL
* @ie_len: Length of ie buffer in octets
* @reason_code: The reason code for the disassociation
+ * @local_state_change: This is a request for a local state only, i.e., no
+ * Disassociation frame is to be transmitted.
*/
struct cfg80211_disassoc_request {
struct cfg80211_bss *bss;
const u8 *ie;
size_t ie_len;
u16 reason_code;
+ bool local_state_change;
};
/**
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 57a3c62139e2..4c189d0be4a3 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -210,7 +210,7 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
const u8 *bssid, u16 stype, u16 reason,
- void *cookie)
+ void *cookie, bool send_frame)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -247,7 +247,11 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
- ieee80211_tx_skb(sdata, skb);
+
+ if (send_frame)
+ ieee80211_tx_skb(sdata, skb);
+ else
+ kfree_skb(skb);
}
void ieee80211_send_pspoll(struct ieee80211_local *local,
@@ -980,7 +984,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
ieee80211_send_deauth_disassoc(sdata, bssid,
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
- NULL);
+ NULL, true);
}
void ieee80211_beacon_connection_loss_work(struct work_struct *work)
@@ -1724,7 +1728,7 @@ static void ieee80211_sta_work(struct work_struct *work)
ieee80211_send_deauth_disassoc(sdata, bssid,
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
- NULL);
+ NULL, true);
mutex_lock(&ifmgd->mtx);
}
}
@@ -1908,6 +1912,9 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_work *wk;
u16 auth_alg;
+ if (req->local_state_change)
+ return 0; /* no need to update mac80211 state */
+
switch (req->auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
auth_alg = WLAN_AUTH_OPEN;
@@ -2163,9 +2170,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: deauthenticating from %pM by local choice (reason=%d)\n",
sdata->name, bssid, req->reason_code);
- ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH, req->reason_code,
- cookie);
+ ieee80211_send_deauth_disassoc(sdata, bssid, IEEE80211_STYPE_DEAUTH,
+ req->reason_code, cookie,
+ !req->local_state_change);
ieee80211_recalc_idle(sdata->local);
@@ -2202,7 +2209,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_send_deauth_disassoc(sdata, req->bss->bssid,
IEEE80211_STYPE_DISASSOC, req->reason_code,
- cookie);
+ cookie, !req->local_state_change);
sta_info_destroy_addr(sdata, bssid);
ieee80211_recalc_idle(sdata->local);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index d52da913145a..b2234b436ead 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -293,13 +293,15 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx);
+ const u8 *key, int key_len, int key_idx,
+ bool local_state_change);
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
struct net_device *dev, struct ieee80211_channel *chan,
enum nl80211_auth_type auth_type, const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx);
+ const u8 *key, int key_len, int key_idx,
+ bool local_state_change);
int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct ieee80211_channel *chan,
@@ -315,13 +317,16 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct cfg80211_crypto_settings *crypt);
int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason);
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change);
int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason);
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change);
int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason);
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change);
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev);
void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 0855f0d32349..387dd2a27d2f 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -377,7 +377,8 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx)
+ const u8 *key, int key_len, int key_idx,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_auth_request req;
@@ -407,6 +408,7 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
memset(&req, 0, sizeof(req));
+ req.local_state_change = local_state_change;
req.ie = ie;
req.ie_len = ie_len;
req.auth_type = auth_type;
@@ -433,12 +435,18 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
goto out;
}
- wdev->authtry_bsses[slot] = bss;
+ if (local_state_change)
+ wdev->auth_bsses[slot] = bss;
+ else
+ wdev->authtry_bsses[slot] = bss;
cfg80211_hold_bss(bss);
err = rdev->ops->auth(&rdev->wiphy, dev, &req);
if (err) {
- wdev->authtry_bsses[slot] = NULL;
+ if (local_state_change)
+ wdev->auth_bsses[slot] = NULL;
+ else
+ wdev->authtry_bsses[slot] = NULL;
cfg80211_unhold_bss(bss);
}
@@ -453,14 +461,15 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
enum nl80211_auth_type auth_type, const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx)
+ const u8 *key, int key_len, int key_idx,
+ bool local_state_change)
{
int err;
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
ssid, ssid_len, ie, ie_len,
- key, key_len, key_idx);
+ key, key_len, key_idx, local_state_change);
wdev_unlock(dev->ieee80211_ptr);
return err;
@@ -554,7 +563,8 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason)
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_deauth_request req;
@@ -564,6 +574,7 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
memset(&req, 0, sizeof(req));
req.reason_code = reason;
+ req.local_state_change = local_state_change;
req.ie = ie;
req.ie_len = ie_len;
if (wdev->current_bss &&
@@ -590,13 +601,15 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason)
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
wdev_lock(wdev);
- err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason);
+ err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason,
+ local_state_change);
wdev_unlock(wdev);
return err;
@@ -604,7 +617,8 @@ int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason)
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_disassoc_request req;
@@ -619,6 +633,7 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
memset(&req, 0, sizeof(req));
req.reason_code = reason;
+ req.local_state_change = local_state_change;
req.ie = ie;
req.ie_len = ie_len;
if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
@@ -631,13 +646,15 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason)
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
wdev_lock(wdev);
- err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason);
+ err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason,
+ local_state_change);
wdev_unlock(wdev);
return err;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 95149f303409..df5505b3930c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -150,6 +150,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
[NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
[NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
+ [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
};
/* policy for the attributes */
@@ -3393,6 +3394,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
int err, ssid_len, ie_len = 0;
enum nl80211_auth_type auth_type;
struct key_parse key;
+ bool local_state_change;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
@@ -3471,9 +3473,12 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
ssid, ssid_len, ie, ie_len,
- key.p.key, key.p.key_len, key.idx);
+ key.p.key, key.p.key_len, key.idx,
+ local_state_change);
out:
cfg80211_unlock_rdev(rdev);
@@ -3650,6 +3655,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
const u8 *ie = NULL, *bssid;
int err, ie_len = 0;
u16 reason_code;
+ bool local_state_change;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
@@ -3695,7 +3701,10 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code);
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
out:
cfg80211_unlock_rdev(rdev);
@@ -3712,6 +3721,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
const u8 *ie = NULL, *bssid;
int err, ie_len = 0;
u16 reason_code;
+ bool local_state_change;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
@@ -3757,7 +3767,10 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code);
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
out:
cfg80211_unlock_rdev(rdev);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 17fde0da1b08..17465777eb47 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -170,7 +170,7 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
params->ssid, params->ssid_len,
NULL, 0,
params->key, params->key_len,
- params->key_idx);
+ params->key_idx, false);
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!rdev->ops->assoc);
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
@@ -185,12 +185,13 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
if (err)
__cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING);
+ WLAN_REASON_DEAUTH_LEAVING,
+ false);
return err;
case CFG80211_CONN_DEAUTH_ASSOC_FAIL:
__cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING);
+ WLAN_REASON_DEAUTH_LEAVING, false);
/* return an error so that we call __cfg80211_connect_result() */
return -EINVAL;
default:
@@ -675,7 +676,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
continue;
bssid = wdev->auth_bsses[i]->pub.bssid;
ret = __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING);
+ WLAN_REASON_DEAUTH_LEAVING,
+ false);
WARN(ret, "deauth failed: %d\n", ret);
}
}
@@ -934,7 +936,7 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
/* wdev->conn->params.bssid must be set if > SCANNING */
err = __cfg80211_mlme_deauth(rdev, dev,
wdev->conn->params.bssid,
- NULL, 0, reason);
+ NULL, 0, reason, false);
if (err)
return err;
} else {
@@ -990,7 +992,8 @@ void cfg80211_sme_disassoc(struct net_device *dev, int idx)
memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN);
if (__cfg80211_mlme_deauth(rdev, dev, bssid,
- NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
+ NULL, 0, WLAN_REASON_DEAUTH_LEAVING,
+ false)) {
/* whatever -- assume gone anyway */
cfg80211_unhold_bss(wdev->auth_bsses[idx]);
cfg80211_put_bss(&wdev->auth_bsses[idx]->pub);
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