From: Anderson Briglia <[email protected]>
This patch implements Read RSSI command in management interface.
---
lib/mgmt.h | 10 ++++++++++
plugins/mgmtops.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++----
2 files changed, 56 insertions(+), 4 deletions(-)
diff --git a/lib/mgmt.h b/lib/mgmt.h
index 57e7603..038b18d 100644
--- a/lib/mgmt.h
+++ b/lib/mgmt.h
@@ -205,6 +205,16 @@ struct mgmt_cp_remove_remote_oob_data {
#define MGMT_OP_STOP_DISCOVERY 0x001C
+#define MGMT_OP_READ_RSSI 0x001D
+struct mgmt_cp_read_rssi {
+ bdaddr_t bdaddr;
+} __packed;
+struct mgmt_rp_read_rssi {
+ uint8_t status;
+ bdaddr_t bdaddr;
+ int8_t rssi;
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
uint16_t opcode;
diff --git a/plugins/mgmtops.c b/plugins/mgmtops.c
index 3be2607..074435c 100644
--- a/plugins/mgmtops.c
+++ b/plugins/mgmtops.c
@@ -1108,6 +1108,36 @@ static void read_local_oob_data_failed(int sk, uint16_t index)
oob_read_local_data_complete(adapter, NULL, NULL);
}
+static void read_rssi_complete(int sk, uint16_t index, void *buf, size_t len)
+{
+ struct mgmt_rp_read_rssi *rp = buf;
+ struct controller_info *info;
+ char addr[18];
+
+ if (len != sizeof(*rp)) {
+ error("Wrong read_rssi_complete event size");
+ return;
+ }
+
+ if (rp->status) {
+ DBG("Read rssi cmd error %01x", rp->status);
+ return;
+ }
+
+ ba2str(&rp->bdaddr, addr);
+
+ DBG("hci%d %s rssi %d", index, addr, rp->rssi);
+
+ if (index > max_index) {
+ error("Unexpected index %u in read_rssi complete", index);
+ return;
+ }
+
+ info = &controllers[index];
+
+ btd_event_rssi_read(&info->bdaddr, &rp->bdaddr, rp->rssi);
+}
+
static void mgmt_cmd_complete(int sk, uint16_t index, void *buf, size_t len)
{
struct mgmt_ev_cmd_complete *ev = buf;
@@ -1201,6 +1231,9 @@ static void mgmt_cmd_complete(int sk, uint16_t index, void *buf, size_t len)
case MGMT_OP_REMOVE_REMOTE_OOB_DATA:
DBG("remove_remote_oob_data complete");
break;
+ case MGMT_OP_READ_RSSI:
+ read_rssi_complete(sk, index, ev->data, len);
+ break;
default:
error("Unknown command complete for opcode %u", opcode);
break;
@@ -1675,12 +1708,21 @@ static int mgmt_read_clock(int index, bdaddr_t *bdaddr, int which, int timeout,
static int mgmt_read_rssi(int index, bdaddr_t *bdaddr)
{
- char addr[18];
+ char buf[MGMT_HDR_SIZE + sizeof(struct mgmt_cp_read_rssi)];
+ struct mgmt_hdr *hdr = (void *) buf;
+ struct mgmt_cp_read_rssi *cp = (void *) &buf[sizeof(*hdr)];
- ba2str(bdaddr, addr);
- DBG("index %d addr %s", index, addr);
+ memset(buf, 0, sizeof(buf));
+ hdr->opcode = htobs(MGMT_OP_READ_RSSI);
+ hdr->len = htobs(sizeof(*cp));
+ hdr->index = htobs(index);
- return -ENOSYS;
+ bacpy(&cp->bdaddr, bdaddr);
+
+ if (write(mgmt_sock, buf, sizeof(buf)) < 0)
+ return -errno;
+
+ return 0;
}
static int mgmt_read_tx_power(int index, bdaddr_t *bdaddr)
--
1.7.4.1