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Bluetooth: RFCOMM: Init buffer for outgoing signalling packets

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Buffer size is currently set as rfcomm min mtu

Change-Id: Ie8fd3f1cef9d6d9b62d5aca272f0030181175460
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
This commit is contained in:
Jaganath Kanakkassery 2016-08-18 16:17:18 +05:30 committed by Johan Hedberg
parent d0504ffc34
commit a816142687
2 changed files with 22 additions and 0 deletions
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8
net/bluetooth/rfcomm.c
View file

@ -46,10 +46,17 @@
#define RFCOMM_CHANNEL_START 0x01
#define RFCOMM_CHANNEL_END 0x1e
#define RFCOMM_MIN_MTU BT_RFCOMM_SIG_MIN_MTU
#define RFCOMM_DEFAULT_MTU 127
static struct bt_rfcomm_server *servers;
/* Pool for outgoing RFCOMM control packets, min MTU is 23 */
static struct nano_fifo rfcomm_session;
static NET_BUF_POOL(rfcomm_session_pool, CONFIG_BLUETOOTH_MAX_CONN,
BT_RFCOMM_BUF_SIZE(RFCOMM_MIN_MTU), &rfcomm_session, NULL,
BT_BUF_USER_DATA_MIN);
#define RFCOMM_SESSION(_ch) CONTAINER_OF(_ch, \
struct bt_rfcomm_session, br_chan.chan)
@ -143,5 +150,6 @@ void bt_rfcomm_init(void)
.accept = rfcomm_accept,
};
net_buf_pool_init(rfcomm_session_pool);
bt_l2cap_br_server_register(&server);
}

14
net/bluetooth/rfcomm_internal.h
View file

@ -33,5 +33,19 @@ enum {
BT_RFCOMM_STATE_INIT,
};
struct bt_rfcomm_hdr {
uint8_t address;
uint8_t control;
uint8_t length;
} __packed;
#define BT_RFCOMM_SIG_MIN_MTU 23
/* Helper to calculate needed outgoing buffer size */
#define BT_RFCOMM_BUF_SIZE(mtu) (CONFIG_BLUETOOTH_HCI_SEND_RESERVE + \
sizeof(struct bt_hci_acl_hdr) + \
sizeof(struct bt_l2cap_hdr) + \
sizeof(struct bt_rfcomm_hdr) + (mtu))
/* Initialize RFCOMM signal layer */
void bt_rfcomm_init(void);