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-rw-r--r--include/linux/nl80211.h36
-rw-r--r--include/net/cfg80211.h46
-rw-r--r--net/mac80211/mlme.c9
-rw-r--r--net/wireless/Makefile2
-rw-r--r--net/wireless/mlme.c46
-rw-r--r--net/wireless/nl80211.c72
-rw-r--r--net/wireless/nl80211.h12
7 files changed, 219 insertions, 4 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 3700d927e245..5ce68ae8314e 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -161,6 +161,25 @@
  * 	%NL80211_REG_TYPE_COUNTRY the alpha2 to which we have moved on
  * 	to (%NL80211_ATTR_REG_ALPHA2).
  *
+ * @NL80211_CMD_AUTHENTICATE: authentication notification (on the "mlme"
+ *	multicast group). This event reports reception of an Authentication
+ *	frame in station and IBSS modes when the local MLME processed the
+ *	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).
+ * @NL80211_CMD_ASSOCIATE: association notification; like
+ *	NL80211_CMD_AUTHENTICATE but for Association Response and Reassociation
+ *	Response frames (similar to MLME-ASSOCIATE.confirm or
+ *	MLME-REASSOCIATE.confirm primitives).
+ * @NL80211_CMD_DEAUTHENTICATE: deauthentication notification; like
+ *	NL80211_CMD_AUTHENTICATE but for Deauthentication frames (similar to
+ *	MLME-DEAUTHENTICATE.indication primitive).
+ * @NL80211_CMD_DISASSOCIATE: disassociation notification; like
+ *	NL80211_CMD_AUTHENTICATE but for Disassociation frames (similar to
+ *	MLME-DISASSOCIATE.indication primitive).
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -217,6 +236,11 @@ enum nl80211_commands {
 
 	NL80211_CMD_REG_CHANGE,
 
+	NL80211_CMD_AUTHENTICATE,
+	NL80211_CMD_ASSOCIATE,
+	NL80211_CMD_DEAUTHENTICATE,
+	NL80211_CMD_DISASSOCIATE,
+
 	/* add new commands above here */
 
 	/* used to define NL80211_CMD_MAX below */
@@ -230,8 +254,11 @@ enum nl80211_commands {
  */
 #define NL80211_CMD_SET_BSS NL80211_CMD_SET_BSS
 #define NL80211_CMD_SET_MGMT_EXTRA_IE NL80211_CMD_SET_MGMT_EXTRA_IE
-
 #define NL80211_CMD_REG_CHANGE NL80211_CMD_REG_CHANGE
+#define NL80211_CMD_AUTHENTICATE NL80211_CMD_AUTHENTICATE
+#define NL80211_CMD_ASSOCIATE NL80211_CMD_ASSOCIATE
+#define NL80211_CMD_DEAUTHENTICATE NL80211_CMD_DEAUTHENTICATE
+#define NL80211_CMD_DISASSOCIATE NL80211_CMD_DISASSOCIATE
 
 /**
  * enum nl80211_attrs - nl80211 netlink attributes
@@ -353,6 +380,10 @@ enum nl80211_commands {
  *	an array of command numbers (i.e. a mapping index to command number)
  *	that the driver for the given wiphy supports.
  *
+ * @NL80211_ATTR_FRAME: frame data (binary attribute), including frame header
+ *	and body, but not FCS; used, e.g., with NL80211_CMD_AUTHENTICATE and
+ *	NL80211_CMD_ASSOCIATE events
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -432,6 +463,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_SUPPORTED_COMMANDS,
 
+	NL80211_ATTR_FRAME,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -451,6 +484,7 @@ enum nl80211_attrs {
 #define NL80211_ATTR_IE NL80211_ATTR_IE
 #define NL80211_ATTR_REG_INITIATOR NL80211_ATTR_REG_INITIATOR
 #define NL80211_ATTR_REG_TYPE NL80211_ATTR_REG_TYPE
+#define NL80211_ATTR_FRAME NL80211_ATTR_FRAME
 
 #define NL80211_MAX_SUPP_RATES			32
 #define NL80211_MAX_SUPP_REG_RULES		32
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 50f3fd9ff524..ad44016021b1 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -807,4 +807,50 @@ void cfg80211_put_bss(struct cfg80211_bss *bss);
  */
 void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
 
+/**
+ * cfg80211_send_rx_auth - notification of processed authentication
+ * @dev: network device
+ * @buf: authentication frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever an authentication has been processed in
+ * station mode.
+ */
+void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
+
+/**
+ * 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.
+ */
+void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
+
+/**
+ * cfg80211_send_rx_deauth - notification of processed deauthentication
+ * @dev: network device
+ * @buf: deauthentication frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever deauthentication has been processed in
+ * station mode.
+ */
+void cfg80211_send_rx_deauth(struct net_device *dev, const u8 *buf,
+			     size_t len);
+
+/**
+ * cfg80211_send_rx_disassoc - notification of processed disassociation
+ * @dev: network device
+ * @buf: disassociation response frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever disassociation has been processed in
+ * station mode.
+ */
+void cfg80211_send_rx_disassoc(struct net_device *dev, const u8 *buf,
+			       size_t len);
+
 #endif /* __NET_CFG80211_H */
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1f49b63d8dd2..6dc7a61bc18b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1085,11 +1085,13 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
 	case WLAN_AUTH_OPEN:
 	case WLAN_AUTH_LEAP:
 		ieee80211_auth_completed(sdata);
+		cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len);
 		break;
 	case WLAN_AUTH_SHARED_KEY:
-		if (ifmgd->auth_transaction == 4)
+		if (ifmgd->auth_transaction == 4) {
 			ieee80211_auth_completed(sdata);
-		else
+			cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len);
+		} else
 			ieee80211_auth_challenge(sdata, mgmt, len);
 		break;
 	}
@@ -1125,6 +1127,7 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
 
 	ieee80211_set_disassoc(sdata, true, false, 0);
 	ifmgd->flags &= ~IEEE80211_STA_AUTHENTICATED;
+	cfg80211_send_rx_deauth(sdata->dev, (u8 *) mgmt, len);
 }
 
 
@@ -1154,6 +1157,7 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
 	}
 
 	ieee80211_set_disassoc(sdata, false, false, reason_code);
+	cfg80211_send_rx_disassoc(sdata->dev, (u8 *) mgmt, len);
 }
 
 
@@ -1370,6 +1374,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	ieee80211_set_associated(sdata, changed);
 
 	ieee80211_associated(sdata);
+	cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, len);
 }
 
 
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index c157b4d8014b..6d1e7b27b752 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
 obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
 obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
 
-cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o
+cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o
 cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o
 
 ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
new file mode 100644
index 000000000000..bec5721b6f99
--- /dev/null
+++ b/net/wireless/mlme.c
@@ -0,0 +1,46 @@
+/*
+ * cfg80211 MLME SAP interface
+ *
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/nl80211.h>
+#include <net/cfg80211.h>
+#include "core.h"
+#include "nl80211.h"
+
+void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	nl80211_send_rx_auth(rdev, dev, buf, len);
+}
+EXPORT_SYMBOL(cfg80211_send_rx_auth);
+
+void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	nl80211_send_rx_assoc(rdev, dev, buf, len);
+}
+EXPORT_SYMBOL(cfg80211_send_rx_assoc);
+
+void cfg80211_send_rx_deauth(struct net_device *dev, const u8 *buf, size_t len)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	nl80211_send_rx_deauth(rdev, dev, buf, len);
+}
+EXPORT_SYMBOL(cfg80211_send_rx_deauth);
+
+void cfg80211_send_rx_disassoc(struct net_device *dev, const u8 *buf,
+			       size_t len)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+	nl80211_send_rx_disassoc(rdev, dev, buf, len);
+}
+EXPORT_SYMBOL(cfg80211_send_rx_disassoc);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a3ecf8d73898..c034c2418cb3 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2830,6 +2830,9 @@ static struct genl_ops nl80211_ops[] = {
 		.dumpit = nl80211_dump_scan,
 	},
 };
+static struct genl_multicast_group nl80211_mlme_mcgrp = {
+	.name = "mlme",
+};
 
 /* multicast groups */
 static struct genl_multicast_group nl80211_config_mcgrp = {
@@ -2975,6 +2978,71 @@ nla_put_failure:
 	nlmsg_free(msg);
 }
 
+static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
+				    struct net_device *netdev,
+				    const u8 *buf, size_t len,
+				    enum nl80211_commands cmd)
+{
+	struct sk_buff *msg;
+	void *hdr;
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	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(msg, NL80211_ATTR_FRAME, len, buf);
+
+	if (genlmsg_end(msg, hdr) < 0) {
+		nlmsg_free(msg);
+		return;
+	}
+
+	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+	return;
+
+ nla_put_failure:
+	genlmsg_cancel(msg, hdr);
+	nlmsg_free(msg);
+}
+
+void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
+			  struct net_device *netdev, const u8 *buf, size_t len)
+{
+	nl80211_send_mlme_event(rdev, netdev, buf, len,
+				NL80211_CMD_AUTHENTICATE);
+}
+
+void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
+			   struct net_device *netdev, const u8 *buf,
+			   size_t len)
+{
+	nl80211_send_mlme_event(rdev, netdev, buf, len, NL80211_CMD_ASSOCIATE);
+}
+
+void nl80211_send_rx_deauth(struct cfg80211_registered_device *rdev,
+			    struct net_device *netdev, const u8 *buf,
+			    size_t len)
+{
+	nl80211_send_mlme_event(rdev, netdev, buf, len,
+				NL80211_CMD_DEAUTHENTICATE);
+}
+
+void nl80211_send_rx_disassoc(struct cfg80211_registered_device *rdev,
+			      struct net_device *netdev, const u8 *buf,
+			      size_t len)
+{
+	nl80211_send_mlme_event(rdev, netdev, buf, len,
+				NL80211_CMD_DISASSOCIATE);
+}
+
 /* initialisation/exit functions */
 
 int nl80211_init(void)
@@ -3003,6 +3071,10 @@ int nl80211_init(void)
 	if (err)
 		goto err_out;
 
+	err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
+	if (err)
+		goto err_out;
+
 	return 0;
  err_out:
 	genl_unregister_family(&nl80211_fam);
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 5b5fe1339de0..b77af4ab80be 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -11,5 +11,17 @@ extern void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
 extern void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
 				      struct net_device *netdev);
 extern void nl80211_send_reg_change_event(struct regulatory_request *request);
+extern void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
+				 struct net_device *netdev,
+				 const u8 *buf, size_t len);
+extern void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
+				  struct net_device *netdev,
+				  const u8 *buf, size_t len);
+extern void nl80211_send_rx_deauth(struct cfg80211_registered_device *rdev,
+				   struct net_device *netdev,
+				   const u8 *buf, size_t len);
+extern void nl80211_send_rx_disassoc(struct cfg80211_registered_device *rdev,
+				     struct net_device *netdev,
+				     const u8 *buf, size_t len);
 
 #endif /* __NET_WIRELESS_NL80211_H */
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-12 12:31:35 +0000