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Bluetooth: att: Add Kconfig option to disable Multiple Read operation

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This adds an Kconfig option to disable GATT Multiple Read support.
This GATT sub-procedure is optional and does not have to be supported.

Signed-off-by: Mariusz Skamra <mariusz.skamra@codecoup.pl>
This commit is contained in:
Mariusz Skamra 2018-06-21 17:17:56 +02:00 • committed by Johan Hedberg
commit 698311d220
3 changed files with 23 additions and 0 deletions
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7
subsys/bluetooth/host/Kconfig
View file

@ -307,6 +307,13 @@ config BT_GATT_CLIENT
help
This option enables support for the GATT Client role.
config BT_GATT_READ_MULTIPLE
bool "GATT Read Multiple Characteristic Values support"
default y
help
This option enables support for the GATT Read Multiple Characteristic
Values procedure.
config BT_MAX_PAIRED
int "Maximum number of paired devices"
default 1

8
subsys/bluetooth/host/att.c
View file

@ -975,6 +975,7 @@ static u8_t att_read_blob_req(struct bt_att *att, struct net_buf *buf)
BT_ATT_OP_READ_BLOB_RSP, handle, offset);
}
#if defined(CONFIG_BT_GATT_READ_MULTIPLE)
static u8_t att_read_mult_req(struct bt_att *att, struct net_buf *buf)
{
struct bt_conn *conn = att->chan.chan.conn;
@ -1020,6 +1021,7 @@ static u8_t att_read_mult_req(struct bt_att *att, struct net_buf *buf)
return 0;
}
#endif /* CONFIG_BT_GATT_READ_MULTIPLE */
struct read_group_data {
struct bt_att *att;
@ -1636,12 +1638,14 @@ static u8_t att_handle_read_blob_rsp(struct bt_att *att, struct net_buf *buf)
return att_handle_rsp(att, buf->data, buf->len, 0);
}
#if defined(CONFIG_BT_GATT_READ_MULTIPLE)
static u8_t att_handle_read_mult_rsp(struct bt_att *att, struct net_buf *buf)
{
BT_DBG("");
return att_handle_rsp(att, buf->data, buf->len, 0);
}
#endif /* CONFIG_BT_GATT_READ_MULTIPLE */
static u8_t att_handle_write_rsp(struct bt_att *att, struct net_buf *buf)
{
@ -1765,14 +1769,18 @@ static const struct att_handler {
sizeof(struct bt_att_read_blob_rsp),
ATT_RESPONSE,
att_handle_read_blob_rsp },
#if defined(CONFIG_BT_GATT_READ_MULTIPLE)
{ BT_ATT_OP_READ_MULT_REQ,
BT_ATT_READ_MULT_MIN_LEN_REQ,
ATT_REQUEST,
att_read_mult_req },
#endif /* CONFIG_BT_GATT_READ_MULTIPLE */
#if defined(CONFIG_BT_GATT_READ_MULTIPLE)
{ BT_ATT_OP_READ_MULT_RSP,
sizeof(struct bt_att_read_mult_rsp),
ATT_RESPONSE,
att_handle_read_mult_rsp },
#endif /* CONFIG_BT_GATT_READ_MULTIPLE */
{ BT_ATT_OP_READ_GROUP_REQ,
sizeof(struct bt_att_read_group_req),
ATT_REQUEST,

8
subsys/bluetooth/host/gatt.c
View file

@ -1697,6 +1697,7 @@ static int gatt_read_blob(struct bt_conn *conn,
return gatt_send(conn, buf, gatt_read_rsp, params, NULL);
}
#if defined(CONFIG_BT_GATT_READ_MULTIPLE)
static void gatt_read_multiple_rsp(struct bt_conn *conn, u8_t err,
const void *pdu, u16_t length,
void *user_data)
@ -1734,6 +1735,13 @@ static int gatt_read_multiple(struct bt_conn *conn,
return gatt_send(conn, buf, gatt_read_multiple_rsp, params, NULL);
}
#else
static int gatt_read_multiple(struct bt_conn *conn,
struct bt_gatt_read_params *params)
{
return -ENOTSUP;
}
#endif /* CONFIG_BT_GATT_READ_MULTIPLE */
int bt_gatt_read(struct bt_conn *conn, struct bt_gatt_read_params *params)
{