Add support for LE advertisement data flags by adding a new command
in hciconfig tool "leadvflags".
LE adv flag values can be refered from CSS 5, section 1.3.2, formats.
---
tools/hciconfig.c | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 121 insertions(+)
diff --git a/tools/hciconfig.c b/tools/hciconfig.c
index 6397e71..cf389d5 100644
--- a/tools/hciconfig.c
+++ b/tools/hciconfig.c
@@ -47,6 +47,14 @@
#include "src/shared/util.h"
#include "tools/csr.h"
+#define EIR_FLAGS 0x01 /* flags */
+#define EIR_NAME_SHORT 0x08 /* shortened local name */
+#define EIR_NAME_COMPLETE 0x09 /* complete local name */
+#define EIR_TX_POWER 0x0A /* transmit power level */
+#define EIR_GAP_APPEARANCE 0x19 /* GAP appearance */
+
+#define HCI_MAX_AD_LENGTH 31
+
static struct hci_dev_info di;
static int all;
@@ -234,6 +242,112 @@ static void cmd_le_addr(int ctl, int hdev, char *opt)
hci_close_dev(dd);
}
+static uint8_t create_ad(uint8_t *ptr, uint8_t type)
+{
+ uint8_t ad_len = 0, flags = 0;
+ size_t name_len;
+ char *name;
+
+ flags = type;
+
+ ptr[0] = 2;
+ ptr[1] = EIR_FLAGS;
+ ptr[2] = flags;
+
+ ad_len += 3;
+ ptr += 3;
+
+ ptr[0] = 2;
+ ptr[1] = EIR_TX_POWER;
+ ptr[2] = 0x12;
+
+ ad_len += 3;
+ ptr += 3;
+
+ if (ad_len + 4 <= HCI_MAX_AD_LENGTH) {
+ ptr[0] = 3;
+ ptr[1] = EIR_GAP_APPEARANCE;
+
+ /* Generic Phone */
+ bt_put_le16((uint16_t)64, ptr + 2);
+
+ ad_len += 4;
+ ptr += 4;
+ }
+
+ name = strdup("ZEQ");
+ name_len = strlen(name);
+ if (name_len > 0) {
+ size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
+
+ if (name_len > max_len) {
+ name_len = max_len;
+ ptr[1] = EIR_NAME_SHORT;
+ } else
+ ptr[1] = EIR_NAME_COMPLETE;
+
+ ptr[0] = name_len + 1;
+
+ memcpy(ptr + 2, name, name_len);
+
+ ad_len += (name_len + 2);
+ ptr += (name_len + 2);
+ }
+
+ return ad_len;
+}
+
+static void cmd_le_adv_flags(int ctl, int hdev, char *opt)
+{
+ struct hci_request rq;
+ le_set_advertising_data_cp advertise_data_cp;
+ uint8_t status;
+ uint8_t len;
+ int dd, ret;
+ unsigned int type = 0;
+
+ if (hdev < 0)
+ hdev = hci_get_route(NULL);
+
+ dd = hci_open_dev(hdev);
+ if (dd < 0) {
+ perror("Could not open device");
+ exit(1);
+ }
+
+ memset(&advertise_data_cp, 0, sizeof(advertise_data_cp));
+ if (opt)
+ type = atoi(opt);
+
+ len = create_ad(advertise_data_cp.data, type);
+
+ advertise_data_cp.length = len;
+ memset(&rq, 0, sizeof(rq));
+ rq.ogf = OGF_LE_CTL;
+ rq.ocf = OCF_LE_SET_ADVERTISING_DATA;
+ rq.cparam = &advertise_data_cp;
+ rq.clen = LE_SET_ADVERTISING_DATA_CP_SIZE;
+ rq.rparam = &status;
+ rq.rlen = 1;
+
+ ret = hci_send_req(dd, &rq, 1000);
+
+ hci_close_dev(dd);
+ if (ret < 0) {
+ fprintf(stderr, "Can't set advertise mode on hci%d: %s (%d)\n",
+ hdev, strerror(errno), errno);
+ exit(1);
+ }
+
+ if (status) {
+ fprintf(stderr,
+ "LE set advertise enable on hci%d returned status %d\n",
+ hdev, status);
+ exit(1);
+ }
+
+}
+
static void cmd_le_adv(int ctl, int hdev, char *opt)
{
struct hci_request rq;
@@ -1950,6 +2064,13 @@ static struct {
"\n\t\t\t3 - Non connectable undirected advertising"},
{ "noleadv", cmd_no_le_adv, 0, "Disable LE advertising" },
{ "lestates", cmd_le_states, 0, "Display the supported LE states" },
+ { "leadvflags", cmd_le_adv_flags, "[type]", "Set data flags"
+ "\n\t\t\t (Flags value can be reffered from spec CSS 5, section 1.3.2, formats)\n"
+ "\n\t\t\t 0x01 - Limited Discoverable"
+ "\n\t\t\t 0x02 - General Discoverable"
+ "\n\t\t\t 0x04 - No BR/EDR"
+ "\n\t\t\t 0x08 - Simultaneous LE and BR/EDR to Same Device Capable(Controller)"
+ "\n\t\t\t 0x10 - Simultaneous LE and BR/EDR to Same Device Capable(Host)"},
{ NULL, NULL, 0 }
};
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
