* Work in progress of reworking the net80211 stack a bit, implementing some of

the missing notifications.
* Renamed ieee80211_haiku.c to .cpp, and made it compile (this part requires
  the updated GCC2, as it uses the ISO-C varargs macros).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38378 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/net/net_notifications.h

@@ -35,15 +35,21 @@ struct net_notifications_control {
 // TODO: the following part of this header should end up in a public header
 // some day!
 
-#define B_NETWORK_INTERFACE_ADDED		0x01
-#define B_NETWORK_INTERFACE_REMOVED		0x02
-#define B_NETWORK_INTERFACE_CHANGED		0x03
-#define B_NETWORK_DEVICE_LINK_CHANGED	0x10
+#define B_NETWORK_INTERFACE_ADDED				0x0001
+#define B_NETWORK_INTERFACE_REMOVED				0x0002
+#define B_NETWORK_INTERFACE_CHANGED				0x0003
+#define B_NETWORK_DEVICE_LINK_CHANGED			0x0010
+#define B_NETWORK_WLAN_JOINED					0x0100
+#define B_NETWORK_WLAN_LEFT						0x0200
+#define B_NETWORK_WLAN_SCANNED					0x0300
+#define B_NETWORK_WLAN_MESSAGE_INTEGRITY_FAILED	0x0400
+
 // TODO: add routes, stack unloaded/loaded, ... events
 
 enum {
 	B_WATCH_NETWORK_INTERFACE_CHANGES	= 0x000f,
-	B_WATCH_NETWORK_LINK_CHANGES	 	= 0x00f0
+	B_WATCH_NETWORK_LINK_CHANGES	 	= 0x00f0,
+	B_WATCH_NETWORK_WLAN_CHANGES		= 0x0f00
 };
 
 #define B_NETWORK_MONITOR				'_NTN'

src/libs/compat/freebsd_wlan/net80211/Jamfile

@@ -11,10 +11,10 @@ UsePrivateKernelHeaders ;
 Includes [ FGristFiles kernel_c++_structs.h ]
 	: <src!system!kernel>kernel_c++_struct_sizes.h ;
 
-SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 ] 
-	-Wno-format 
-	-Wno-unused 
-	-Wno-uninitialized ;
+SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 ]
+	-Wno-format -Wno-unused -Wno-uninitialized ;
+SubDirC++Flags [ FDefines _KERNEL=1 FBSD_DRIVER=1 ]
+	-Wno-format -Wno-unused -Wno-uninitialized ;
 
 SEARCH_SOURCE += [ FDirName $(SUBDIR) .. crypto rijndael ] ;
 
@@ -30,7 +30,7 @@ KernelStaticLibrary libfreebsd_wlan.a :
 	ieee80211_crypto_tkip.c
 	ieee80211_crypto_wep.c
 	ieee80211_dfs.c
-	ieee80211_haiku.c
+	ieee80211_haiku.cpp
 	ieee80211_ht.c
 	ieee80211_input.c
 	ieee80211_ioctl.c
@@ -60,5 +60,4 @@ KernelStaticLibrary libfreebsd_wlan.a :
 	# NOT SUPPORTED YET ieee80211_superg.c
 	# NOT SUPPORTED YET ieee80211_tdma.c
 	# NOT SUPPORTED YET ieee80211_xauth.c
-	;
-	
+;

src/libs/compat/freebsd_wlan/net80211/ieee80211_haiku.cpp

@@ -35,12 +35,12 @@
  */
 
 
-#include <SupportDefs.h>
+#include "ieee80211_haiku.h"
 
+extern "C" {
 #include <sys/kernel.h>
 #include <sys/mbuf.h>
 #include <sys/bus.h>
-#include <sys/haiku-module.h>
 #include <sys/sockio.h>
 
 #include <net/if.h>
@@ -48,10 +48,16 @@
 #include <net/if_types.h>
 #include <net/if_var.h>
 
-#include <ieee80211_var.h>
+#include "ieee80211_var.h"
+};
+
+#include <SupportDefs.h>
+
+#include <util/KMessage.h>
 
 #include <ether_driver.h>
 #include <bosii_driver.h>
+#include <net_notifications.h>
 
 #include <shared.h>
 
@@ -62,21 +68,42 @@ do {														\
 } while (/* CONSTCOND */ 0)
 
 
+static net_notifications_module_info* sNotificationModule;
+
+
+static struct ifnet*
+get_ifnet(device_t device, int& i)
+{
+	int unit = device_get_unit(device);
+
+	for (i = 0; i < MAX_DEVICES; i++) {
+		if (gDevices[i] != NULL && gDevices[i]->if_dunit == unit)
+			return gDevices[i];
+	}
+
+	return NULL;
+}
+
+
 status_t
-init_wlan_stack()
+init_wlan_stack(void)
 {
 	ieee80211_phy_init();
 	ieee80211_auth_setup();
 	ieee80211_ht_init();
 
+	get_module(NET_NOTIFICATIONS_MODULE_NAME,
+		(module_info**)&sNotificationModule);
+
 	return B_OK;
 }
 
 
 void
-uninit_wlan_stack()
+uninit_wlan_stack(void)
 {
-
+	if (sNotificationModule != NULL)
+		put_module(NET_NOTIFICATIONS_MODULE_NAME);
 }
 
 
@@ -84,21 +111,11 @@ status_t
 start_wlan(device_t device)
 {
 	int i;
-	int unit = device_get_unit(device);
-	struct ifnet* ifp;
-	struct ieee80211com* ic;
-	struct ieee80211vap* vap;
-
-	for (i = 0; i < MAX_DEVICES; i++) {
-		if (gDevices[i] != NULL && gDevices[i]->if_dunit == unit)
-			break;
-	}
-
-	if (i == MAX_DEVICES)
-		return B_ERROR;
-
-	ifp = gDevices[i];
+	struct ifnet* ifp = get_ifnet(device, i);
+	if (ifp == NULL)
+		return B_BAD_VALUE;
 
+// TODO: review this and find a cleaner solution!
 	// This ensures that the cloned device gets
 	// the same index assigned as the base device
 	// Resulting in the same device name
@@ -106,11 +123,10 @@ start_wlan(device_t device)
 	//       /dev/net/atheros/1
 	gDevices[i] = NULL;
 
-	ic = ifp->if_l2com;
+	struct ieee80211com* ic = (ieee80211com*)ifp->if_l2com;
 
-	vap = ic->ic_vap_create(ic,
-		"wlan",
-		unit,
+	struct ieee80211vap* vap = ic->ic_vap_create(ic, "wlan",
+		device_get_unit(device),
 		IEEE80211_M_STA,		// mode
 		0,						// flags
 		NULL,					// BSSID
@@ -140,30 +156,21 @@ status_t
 stop_wlan(device_t device)
 {
 	int i;
-	int unit = device_get_unit(device);
-	struct ifnet* ifp;
-	struct ieee80211com* ic;
-	struct ieee80211vap* vap;
+	struct ifnet* ifp = get_ifnet(device, i);
+	if (ifp == NULL)
+		return B_BAD_VALUE;
 
-	for (i = 0; i < MAX_DEVICES; i++) {
-		if (gDevices[i] != NULL && gDevices[i]->if_dunit == unit)
-			break;
+	if (ifp->if_type == IFT_IEEE80211) {
+		// This happens when there was an error in starting the wlan before,
+		// resulting in never creating a clone device
+		return B_OK;
 	}
 
-	if (i == MAX_DEVICES)
-		return B_ERROR;
-
-	ifp = gDevices[i];
-	if (ifp->if_type == IFT_IEEE80211)
-			// This happens when there was an error
-			// in starting the wlan before, resulting
-			// in never creating a clone device
-			return B_OK;
-
 	delete_sem(ifp->scan_done_sem);
 
-	vap = ifp->if_softc;
-	ic = vap->iv_ic;
+	struct ieee80211vap* vap = (ieee80211vap*)ifp->if_softc;
+	struct ieee80211com* ic = vap->iv_ic;
+
 	ic->ic_vap_delete(vap);
 
 	// ic_vap_delete freed gDevices[i]
@@ -179,7 +186,7 @@ stop_wlan(device_t device)
 status_t
 wlan_control(void* cookie, uint32 op, void* arg, size_t length)
 {
-	struct ifnet* ifp = cookie;
+	struct ifnet* ifp = (struct ifnet*)cookie;
 
 	switch (op) {
 		case BOSII_DEVICE:
@@ -237,7 +244,7 @@ wlan_control(void* cookie, uint32 op, void* arg, size_t length)
 
 			// Tell the user space how much data was copied
 			networkRequest->mtu = request.i_len;
-			if (user_memcpy(arg + offsetof(struct ifreq, ifr_route.mtu),
+			if (user_memcpy(&((struct ifreq*)arg)->ifr_route.mtu,
 				&networkRequest->mtu, sizeof(networkRequest->mtu)) < B_OK)
 				return B_BAD_ADDRESS;
 
@@ -256,19 +263,17 @@ wlan_control(void* cookie, uint32 op, void* arg, size_t length)
 			if (length < sizeof(struct ifreq))
 				return B_BAD_VALUE;
 
-			if (user_memcpy(&ifRequest, arg, sizeof(ifRequest)) < B_OK)
+			if (user_memcpy(&ifRequest, arg, sizeof(ifRequest)) != B_OK
+				|| user_memcpy(&network, networkRequest->source,
+						sizeof(ieee80211req_scan_result)) != B_OK)
 				return B_BAD_ADDRESS;
 
-			if (user_memcpy(&network, networkRequest->source,
-				sizeof(network)) < B_OK)
-				return B_BAD_ADDRESS;
-
-			memset(&request, 0, sizeof(request));
+			memset(&request, 0, sizeof(ieee80211req));
 
 			request.i_type = IEEE80211_IOC_SSID;
 			request.i_val = 0;
 			request.i_len = network.isr_ssid_len;
-			request.i_data = ((void*) networkRequest->source)
+			request.i_data = (uint8*)networkRequest->source
 				+ network.isr_ie_off;
 			if (ifp->if_ioctl(ifp, SIOCS80211, (caddr_t)&request) < B_OK)
 				return B_ERROR;
@@ -312,8 +317,8 @@ wlan_control(void* cookie, uint32 op, void* arg, size_t length)
 
 			// Tell the user space how much data was copied
 			networkRequest->mtu = request.i_len;
-			if (user_memcpy(arg + offsetof(struct ifreq, ifr_route.mtu),
-				&networkRequest->mtu, sizeof(networkRequest->mtu)) < B_OK)
+			if (user_memcpy(&((struct ifreq*)arg)->ifr_route.mtu,
+					&networkRequest->mtu, sizeof(networkRequest->mtu)) != B_OK)
 				return B_BAD_ADDRESS;
 
 			return B_OK;
@@ -321,9 +326,25 @@ wlan_control(void* cookie, uint32 op, void* arg, size_t length)
 
 		case SIOCG80211:
 		case SIOCS80211:
+		{
 			// Allowing FreeBSD based WLAN ioctls to pass, as those will become
 			// the future Haiku WLAN ioctls anyway.
-			return ifp->if_ioctl(ifp, op, (caddr_t)arg);
+
+			// FreeBSD drivers assume that the request structure has already
+			// been copied into kernel space
+			struct ieee80211req request;
+			if (user_memcpy(&request, arg, sizeof(struct ieee80211req)) != B_OK)
+				return B_BAD_ADDRESS;
+
+			status_t status = ifp->if_ioctl(ifp, op, (caddr_t)&request);
+			if (status != B_OK)
+				return status;
+
+			if (op == SIOCG80211 && user_memcpy(arg, &request,
+					sizeof(struct ieee80211req)) != B_OK)
+				return B_BAD_ADDRESS;
+			return B_OK;
+		}
 	}
 
 	return B_BAD_VALUE;
@@ -333,7 +354,7 @@ wlan_control(void* cookie, uint32 op, void* arg, size_t length)
 status_t
 wlan_close(void* cookie)
 {
-	struct ifnet* ifp = cookie;
+	struct ifnet* ifp = (struct ifnet*)cookie;
 
 	ifp->if_flags &= ~IFF_UP;
 	ifp->if_ioctl(ifp, SIOCSIFFLAGS, NULL);
@@ -345,7 +366,7 @@ wlan_close(void* cookie)
 status_t
 wlan_if_l2com_alloc(void* data)
 {
-	struct ifnet* ifp = data;
+	struct ifnet* ifp = (struct ifnet*)data;
 
 	ifp->if_l2com = _kernel_malloc(sizeof(struct ieee80211com), M_ZERO);
 	((struct ieee80211com*)(ifp->if_l2com))->ic_ifp = ifp;
@@ -358,7 +379,7 @@ wlan_if_l2com_alloc(void* data)
 void
 get_random_bytes(void* p, size_t n)
 {
-	uint8_t* dp = p;
+	uint8_t* dp = (uint8_t*)p;
 
 	while (n > 0) {
 		uint32_t v = arc4random();
@@ -388,7 +409,7 @@ ieee80211_getmgtframe(uint8_t** frm, int headroom, int pktlen)
 	}
 	if (m != NULL) {
 		m->m_data += headroom;
-		*frm = m->m_data;
+		*frm = (uint8_t*)m->m_data;
 	}
 	return m;
 }
@@ -546,6 +567,17 @@ ieee80211_notify_node_join(struct ieee80211_node* ni, int newassoc)
 
 	if (ni == vap->iv_bss)
 		if_link_state_change(ifp, LINK_STATE_UP);
+
+	if (sNotificationModule != NULL) {
+		char messageBuffer[512];
+		KMessage message;
+		message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
+		message.AddInt32("opcode", B_NETWORK_WLAN_JOINED);
+		message.AddString("interface", ifp->if_xname);
+		// TODO: add data about the node
+
+		sNotificationModule->send_notification(&message);
+	}
 }
 
 
@@ -557,6 +589,17 @@ ieee80211_notify_node_leave(struct ieee80211_node* ni)
 
 	if (ni == vap->iv_bss)
 		if_link_state_change(ifp, LINK_STATE_DOWN);
+
+	if (sNotificationModule != NULL) {
+		char messageBuffer[512];
+		KMessage message;
+		message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
+		message.AddInt32("opcode", B_NETWORK_WLAN_LEFT);
+		message.AddString("interface", ifp->if_xname);
+		// TODO: add data about the node
+
+		sNotificationModule->send_notification(&message);
+	}
 }
 
 
@@ -565,6 +608,16 @@ ieee80211_notify_scan_done(struct ieee80211vap* vap)
 {
 	release_sem_etc(vap->iv_ifp->scan_done_sem, 1,
 		B_DO_NOT_RESCHEDULE | B_RELEASE_ALL);
+
+	if (sNotificationModule != NULL) {
+		char messageBuffer[512];
+		KMessage message;
+		message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
+		message.AddInt32("opcode", B_NETWORK_WLAN_SCANNED);
+		message.AddString("interface", vap->iv_ifp->if_xname);
+
+		sNotificationModule->send_notification(&message);
+	}
 }
 
 

src/libs/compat/freebsd_wlan/net80211/ieee80211_haiku.h

@@ -27,8 +27,21 @@
 #ifndef _FBSD_COMPAT_NET80211_IEEE80211_HAIKU_H_
 #define _FBSD_COMPAT_NET80211_IEEE80211_HAIKU_H_
 
+
+#include <stdint.h>
+
+
 #ifdef _KERNEL
 
+#	ifdef __cplusplus
+// Those includes are needed to avoid C/C++ function export clashes
+#		include <new>
+#		include <thread.h>
+extern "C" {
+#	endif
+
+
+#include <sys/kernel.h>
 #include <sys/mutex.h>
 #include <sys/sysctl.h>
 #include <sys/taskqueue.h>
@@ -291,6 +304,10 @@ typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
     struct ieee80211req *);
 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
 #define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
+
+#ifdef __cplusplus
+}
+#endif
 #endif /* _KERNEL */
 
 /*

src/libs/compat/freebsd_wlan/net80211/ieee80211_phy.h

@@ -103,7 +103,7 @@ ieee80211_rate2phytype(const struct ieee80211_rate_table *rt, uint8_t rate)
 {
 	uint8_t rix = rt->rateCodeToIndex[rate];
 	KASSERT(rix != (uint8_t)-1, ("rate %d has no info", rate));
-	return rt->info[rix].phy;
+	return (enum ieee80211_phytype)rt->info[rix].phy;
 }
 
 static __inline__ int

src/libs/compat/freebsd_wlan/net80211/ieee80211_proto.h

@@ -126,7 +126,7 @@ void	ieee80211_addbasicrates(struct ieee80211_rateset *,
 static __inline int
 ieee80211_hdrsize(const void *data)
 {
-	const struct ieee80211_frame *wh = data;
+	const struct ieee80211_frame *wh = (const struct ieee80211_frame *)data;
 	int size = sizeof(struct ieee80211_frame);
 
 	/* NB: we don't handle control frames */
@@ -145,7 +145,7 @@ ieee80211_hdrsize(const void *data)
 static __inline int
 ieee80211_anyhdrsize(const void *data)
 {
-	const struct ieee80211_frame *wh = data;
+	const struct ieee80211_frame *wh = (const struct ieee80211_frame *)data;
 
 	if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
 		switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {