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Commit 6d5c7e48 authored Apr 03, 2013 by Andre Eisenbach Committed by Matthew Xie Apr 03, 2013

Fix LE buffer size for 0 length buffers

If the local chip reports 0 LE data buffers and 0 LE ACL data package
length, then the default ACL buffer length as returned byt the
Read_Buffer_Size command is to be used instead.

Change-Id: I953fabe426a98cc1b005d3b46c3e7f227c23a686

parent f4252b19

system/stack/btm/btm_devctl.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -784,6 +784,9 @@ void btm_read_ble_buf_size_complete (UINT8 *p, UINT16 evt_len)
	STREAM_TO_UINT16 (btu_cb.hcit_ble_acl_data_size, p);		STREAM_TO_UINT16 (btu_cb.hcit_ble_acl_data_size, p);
	STREAM_TO_UINT8 (lm_num_le_bufs, p);		STREAM_TO_UINT8 (lm_num_le_bufs, p);

			if (btu_cb.hcit_ble_acl_data_size == 0)
			btu_cb.hcit_ble_acl_data_size = btu_cb.hcit_acl_data_size;

	btu_cb.hcit_ble_acl_pkt_size = btu_cb.hcit_ble_acl_data_size + HCI_DATA_PREAMBLE_SIZE;		btu_cb.hcit_ble_acl_pkt_size = btu_cb.hcit_ble_acl_data_size + HCI_DATA_PREAMBLE_SIZE;

	l2c_link_processs_ble_num_bufs (lm_num_le_bufs);		l2c_link_processs_ble_num_bufs (lm_num_le_bufs);

system/stack/l2cap/l2c_ble.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -622,6 +622,8 @@ BOOLEAN l2cble_create_conn (tL2C_LCB *p_lcb)
	*******************************************************************************/		*******************************************************************************/
	void l2c_link_processs_ble_num_bufs (UINT16 num_lm_ble_bufs)		void l2c_link_processs_ble_num_bufs (UINT16 num_lm_ble_bufs)
	{		{
			if (num_lm_ble_bufs == 0)
			num_lm_ble_bufs = l2cb.num_lm_acl_bufs;
	l2cb.num_lm_ble_bufs = l2cb.controller_le_xmit_window = num_lm_ble_bufs;		l2cb.num_lm_ble_bufs = l2cb.controller_le_xmit_window = num_lm_ble_bufs;
	}		}