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-rw-r--r--include/linux/nl80211.h13
-rw-r--r--include/net/cfg80211.h22
-rw-r--r--net/mac80211/mlme.c4
-rw-r--r--net/wireless/mlme.c27
-rw-r--r--net/wireless/nl80211.c49
-rw-r--r--net/wireless/nl80211.h6
6 files changed, 115 insertions, 6 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index b6a48dd502c..e9fd13aa79f 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -203,8 +203,12 @@
* frame, i.e., it was for the local STA and was received in correct
* state. This is similar to MLME-AUTHENTICATE.confirm primitive in the
* MLME SAP interface (kernel providing MLME, userspace SME). The
- * included NL80211_ATTR_FRAME attribute contains the management frame
- * (including both the header and frame body, but not FCS).
+ * included %NL80211_ATTR_FRAME attribute contains the management frame
+ * (including both the header and frame body, but not FCS). This event is
+ * also used to indicate if the authentication attempt timed out. In that
+ * case the %NL80211_ATTR_FRAME attribute is replaced with a
+ * %NL80211_ATTR_TIMED_OUT flag (and %NL80211_ATTR_MAC to indicate which
+ * pending authentication timed out).
* @NL80211_CMD_ASSOCIATE: association request and notification; like
* NL80211_CMD_AUTHENTICATE but for Association and Reassociation
* (similar to MLME-ASSOCIATE.request, MLME-REASSOCIATE.request,
@@ -487,6 +491,9 @@ enum nl80211_commands {
* @NL80211_ATTR_FREQ_FIXED: a flag indicating the IBSS should not try to look
* for other networks on different channels
*
+ * @NL80211_ATTR_TIMED_OUT: a flag indicating than an operation timed out; this
+ * is used, e.g., with %NL80211_CMD_AUTHENTICATE event
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -587,6 +594,8 @@ enum nl80211_attrs {
NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
NL80211_ATTR_WIPHY_RTS_THRESHOLD,
+ NL80211_ATTR_TIMED_OUT,
+
/* 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 7f7b53b69cb..b8a76764e1c 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1475,22 +1475,40 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
* @len: length of the frame data
*
* This function is called whenever an authentication has been processed in
- * station mode.
+ * station mode. The driver is required to call either this function or
+ * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth()
+ * call.
*/
void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
/**
+ * cfg80211_send_auth_timeout - notification of timed out authentication
+ * @dev: network device
+ * @addr: The MAC address of the device with which the authentication timed out
+ */
+void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
+
+/**
* cfg80211_send_rx_assoc - notification of processed association
* @dev: network device
* @buf: (re)association response frame (header + body)
* @len: length of the frame data
*
* This function is called whenever a (re)association response has been
- * processed in station mode.
+ * processed in station mode. The driver is required to call either this
+ * function or cfg80211_send_assoc_timeout() to indicate the result of
+ * cfg80211_ops::assoc() call.
*/
void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
/**
+ * cfg80211_send_assoc_timeout - notification of timed out association
+ * @dev: network device
+ * @addr: The MAC address of the device with which the association timed out
+ */
+void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
+
+/**
* cfg80211_send_deauth - notification of processed deauthentication
* @dev: network device
* @buf: deauthentication frame (header + body)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index df27c68620c..3610c11286b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -932,7 +932,7 @@ static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata)
" timed out\n",
sdata->dev->name, ifmgd->bssid);
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_sta_send_apinfo(sdata);
+ cfg80211_send_auth_timeout(sdata->dev, ifmgd->bssid);
ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
ifmgd->ssid, ifmgd->ssid_len);
@@ -1115,7 +1115,7 @@ static void ieee80211_associate(struct ieee80211_sub_if_data *sdata)
" timed out\n",
sdata->dev->name, ifmgd->bssid);
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_sta_send_apinfo(sdata);
+ cfg80211_send_assoc_timeout(sdata->dev, ifmgd->bssid);
ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
ifmgd->ssid, ifmgd->ssid_len);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 1407244a647..42184361a10 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -44,6 +44,33 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
}
EXPORT_SYMBOL(cfg80211_send_disassoc);
+static void cfg80211_wext_disconnected(struct net_device *dev)
+{
+#ifdef CONFIG_WIRELESS_EXT
+ union iwreq_data wrqu;
+ memset(&wrqu, 0, sizeof(wrqu));
+ wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+
+void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
+{
+ struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ nl80211_send_auth_timeout(rdev, dev, addr);
+ cfg80211_wext_disconnected(dev);
+}
+EXPORT_SYMBOL(cfg80211_send_auth_timeout);
+
+void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
+{
+ struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ nl80211_send_assoc_timeout(rdev, dev, addr);
+ cfg80211_wext_disconnected(dev);
+}
+EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
+
void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
enum nl80211_key_type key_type, int key_id,
const u8 *tsc)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 3b21b3e89e9..b1fc98225fd 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -121,6 +121,7 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
[NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
[NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
[NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
+ [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
};
/* IE validation */
@@ -3695,6 +3696,54 @@ void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
NL80211_CMD_DISASSOCIATE);
}
+void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, int cmd,
+ const u8 *addr)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *addr)
+{
+ nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
+ addr);
+}
+
+void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *addr)
+{
+ nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, addr);
+}
+
void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
gfp_t gfp)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 17d2d8bfaf7..5c12ad13499 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -23,6 +23,12 @@ extern void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
extern void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len);
+extern void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *addr);
+extern void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *addr);
extern void
nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 18:19:22 +0000