efi_loader: implement WaitForPacket event

The WaitForPacket event informs that a network package has been received by the SimpleNetworkProtocol. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> [agraf: Move is_signaled = true line into efi_net_push()] Signed-off-by: Alexander Graf <agraf@suse.de>

efi_loader: implement WaitForPacket event
The WaitForPacket event informs that a network package has been received by the SimpleNetworkProtocol. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> [agraf: Move is_signaled = true line into efi_net_push()] Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt · Alexander Graf
1 parent a0549ef607
Showing 1 changed file with 16 additions and 0 deletions Side-by-side Diff
lib/efi_loader/efi_net.c
@@ -24,6 +24,10 @@
  * to check if a new network packet has been received.
  */
 static struct efi_event *network_timer_event;
+/*
+ * This event is signaled when a packet has been received.
+ */
+static struct efi_event *wait_for_packet;
  
 struct efi_net_obj {
 	/* Generic EFI object parent class data */
@@ -171,6 +175,7 @@
 static void efi_net_push(void *pkt, int len)
 {
 	new_rx_packet = true;
+	wait_for_packet->is_signaled = true;
 }
  
 static efi_status_t EFIAPI efi_net_receive(struct efi_simple_network *this,
@@ -280,6 +285,17 @@
 	/* Hook net up to the device list */
 	list_add_tail(&netobj->parent.link, &efi_obj_list);
  
+	/*
+	 * Create WaitForPacket event.
+	 */
+	r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK,
+			     efi_network_timer_notify, NULL,
+			     &wait_for_packet);
+	if (r != EFI_SUCCESS) {
+		printf("ERROR: Failed to register network event\n");
+		return r;
+	}
+	netobj->net.wait_for_packet = wait_for_packet;
 	/*
 	 * Create a timer event.
 	 *
...	...	@@ -24,6 +24,10 @@
24	24	* to check if a new network packet has been received.
25	25	*/
26	26	static struct efi_event *network_timer_event;
	27	+/*
	28	+ * This event is signaled when a packet has been received.
	29	+ */
	30	+static struct efi_event *wait_for_packet;
27	31
28	32	struct efi_net_obj {
29	33	/* Generic EFI object parent class data */
...	...	@@ -171,6 +175,7 @@
171	175	static void efi_net_push(void *pkt, int len)
172	176	{
173	177	new_rx_packet = true;
	178	+ wait_for_packet->is_signaled = true;
174	179	}
175	180
176	181	static efi_status_t EFIAPI efi_net_receive(struct efi_simple_network *this,
...	...	@@ -280,6 +285,17 @@
280	285	/* Hook net up to the device list */
281	286	list_add_tail(&netobj->parent.link, &efi_obj_list);
282	287
	288	+ /*
	289	+ * Create WaitForPacket event.
	290	+ */
	291	+ r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK,
	292	+ efi_network_timer_notify, NULL,
	293	+ &wait_for_packet);
	294	+ if (r != EFI_SUCCESS) {
	295	+ printf("ERROR: Failed to register network event\n");
	296	+ return r;
	297	+ }
	298	+ netobj->net.wait_for_packet = wait_for_packet;
283	299	/*
284	300	* Create a timer event.
285	301	*