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* [PATCH] android/gatt: Fix transport mask for service start
@ 2014-11-21 15:15 Jakub Tyszkowski
  2014-11-25 14:12 ` Szymon Janc
  0 siblings, 1 reply; 2+ messages in thread
From: Jakub Tyszkowski @ 2014-11-21 15:15 UTC (permalink / raw)
  To: linux-bluetooth; +Cc: Jakub Tyszkowski

With Android 5 transport enum was changed to bit mask. With this change
we use bit masks in daemon and for Kitkat we map enum to bit mask in
hal.
---
 android/gatt.c     | 18 ++++++++----------
 android/hal-gatt.c | 32 +++++++++++++++++++++++++++++++-
 android/hal-msg.h  |  5 ++---
 3 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/android/gatt.c b/android/gatt.c
index ea5cead..092473c 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -5263,30 +5263,28 @@ static void handle_server_start_service(const void *buf, uint16_t len)
 	struct gatt_db_attribute *attrib;
 	uint8_t status;
 
-	DBG("");
+	DBG("transport 0x%02x", cmd->transport);
 
 	memset(&ev, 0, sizeof(ev));
 
+	if (cmd->transport == 0) {
+		status = HAL_STATUS_FAILED;
+		goto failed;
+	}
+
 	server = find_app_by_id(cmd->server_if);
 	if (!server) {
 		status = HAL_STATUS_FAILED;
 		goto failed;
 	}
 
-	switch (cmd->transport) {
-	case GATT_SERVER_TRANSPORT_BREDR:
-	case GATT_SERVER_TRANSPORT_LE_BREDR:
+	if (cmd->transport & GATT_SERVER_TRANSPORT_BREDR_BIT) {
 		if (!add_service_sdp_record(cmd->service_handle)) {
 			status = HAL_STATUS_FAILED;
 			goto failed;
 		}
-		break;
-	case GATT_SERVER_TRANSPORT_LE:
-		break;
-	default:
-		status = HAL_STATUS_FAILED;
-		goto failed;
 	}
+	/* TODO: Handle BREDR only */
 
 	attrib = gatt_db_get_attribute(gatt_db, cmd->service_handle);
 	if (!attrib) {
diff --git a/android/hal-gatt.c b/android/hal-gatt.c
index ac4f367..ee6eb3a 100644
--- a/android/hal-gatt.c
+++ b/android/hal-gatt.c
@@ -1812,7 +1812,7 @@ static bt_status_t add_descriptor(int server_if, int service_handle,
 					sizeof(cmd), &cmd, NULL, NULL, NULL);
 }
 
-static bt_status_t start_service(int server_if, int service_handle,
+static bt_status_t start_service_real(int server_if, int service_handle,
 								int transport)
 {
 	struct hal_cmd_gatt_server_start_service cmd;
@@ -1829,6 +1829,36 @@ static bt_status_t start_service(int server_if, int service_handle,
 					sizeof(cmd), &cmd, NULL, NULL, NULL);
 }
 
+#if ANDROID_VERSION >= PLATFORM_VER(5, 0, 0)
+static bt_status_t start_service(int server_if, int service_handle,
+								int transport)
+{
+	return start_service_real(server_if, service_handle, transport);
+}
+#else
+static bt_status_t start_service(int server_if, int service_handle,
+								int transport)
+{
+	int transport_mask = 0;
+
+	/* Android 5 changes transport enum to bit mask. */
+	switch (transport) {
+	case 0:
+		transport_mask = GATT_SERVER_TRANSPORT_LE_BIT;
+		break;
+	case 1:
+		transport_mask = GATT_SERVER_TRANSPORT_BREDR_BIT
+		break;
+	case 2:
+		transport_mask = GATT_SERVER_TRANSPORT_LE_BIT |
+						GATT_SERVER_TRANSPORT_BREDR_BIT;
+		break;
+	}
+
+	return start_service_real(server_if, service_handle, transport_mask);
+}
+#endif
+
 static bt_status_t stop_service(int server_if, int service_handle)
 {
 	struct hal_cmd_gatt_server_stop_service cmd;
diff --git a/android/hal-msg.h b/android/hal-msg.h
index 5396404..1cc4434 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -984,9 +984,8 @@ struct hal_cmd_gatt_server_add_descriptor {
 	int32_t permissions;
 } __attribute__((packed));
 
-#define GATT_SERVER_TRANSPORT_LE		0x00
-#define GATT_SERVER_TRANSPORT_BREDR		0x01
-#define GATT_SERVER_TRANSPORT_LE_BREDR		0x02
+#define GATT_SERVER_TRANSPORT_LE_BIT		0x01
+#define GATT_SERVER_TRANSPORT_BREDR_BIT		0x02
 
 #define HAL_OP_GATT_SERVER_START_SERVICE	0x1f
 struct hal_cmd_gatt_server_start_service {
-- 
1.9.1


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2014-11-21 15:15 [PATCH] android/gatt: Fix transport mask for service start Jakub Tyszkowski
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