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-rw-r--r--tools/hcitool.16
-rw-r--r--tools/hcitool.c215
2 files changed, 155 insertions, 66 deletions
diff --git a/tools/hcitool.1 b/tools/hcitool.1
index 49b5e715..fa51efce 100644
--- a/tools/hcitool.1
+++ b/tools/hcitool.1
@@ -99,6 +99,12 @@ s
Delete baseband connection from remote device with Bluetooth address
.IR bdaddr .
.TP
+.BI sr " <bdaddr> <role>"
+Switch role for the baseband connection from the remote device to
+.BR master
+or
+.BR slave .
+.TP
.BI cpt " <bdaddr> <packet types>"
Change packet types for baseband connection to device with Bluetooth address
.IR bdaddr .
diff --git a/tools/hcitool.c b/tools/hcitool.c
index dd289b04..00c84b05 100644
--- a/tools/hcitool.c
+++ b/tools/hcitool.c
@@ -59,7 +59,7 @@ static int dev_info(int s, int dev_id, long arg)
bdaddr_t bdaddr;
if (ioctl(s, HCIGETDEVINFO, (void*) &di))
return 0;
-
+
baswap(&bdaddr, &di.bdaddr);
printf("\t%s\t%s\n", di.name, batostr(&bdaddr));
return 0;
@@ -171,18 +171,18 @@ static void cmd_dev(int dev_id, int argc, char **argv)
/* Inquiry */
static struct option inq_options[] = {
- {"help", 0,0, 'h'},
- {"length", 1,0, 'l'},
- {"numrsp", 1,0, 'n'},
- {"flush", 0,0, 'f'},
+ {"help", 0,0, 'h'},
+ {"length", 1,0, 'l'},
+ {"numrsp", 1,0, 'n'},
+ {"flush", 0,0, 'f'},
{0, 0, 0, 0}
};
static char *inq_help =
"Usage:\n"
"\tinq [--length=N] maximum inquiry duration in 1.28 s units\n"
- "\t [--numrsp=N] specify maximum number of inquiry responses\n"
- "\t [--flush] flush the inquiry cache\n";
+ "\t [--numrsp=N] specify maximum number of inquiry responses\n"
+ "\t [--flush] flush the inquiry cache\n";
static void cmd_inq(int dev_id, int argc, char **argv)
{
@@ -200,7 +200,7 @@ static void cmd_inq(int dev_id, int argc, char **argv)
case 'l':
length = atoi(optarg);
break;
-
+
case 'n':
num_rsp = atoi(optarg);
break;
@@ -236,10 +236,10 @@ static void cmd_inq(int dev_id, int argc, char **argv)
/* Device scanning */
static struct option scan_options[] = {
- {"help", 0,0, 'h'},
- {"length", 1,0, 'l'},
- {"numrsp", 1,0, 'n'},
- {"flush", 0,0, 'f'},
+ {"help", 0,0, 'h'},
+ {"length", 1,0, 'l'},
+ {"numrsp", 1,0, 'n'},
+ {"flush", 0,0, 'f'},
{0, 0, 0, 0}
};
@@ -356,7 +356,7 @@ static void cmd_name(int dev_id, int argc, char **argv)
}
dd = hci_open_dev(dev_id);
- if (dd < 0) {
+ if (dd < 0) {
perror("HCI device open failed");
exit(1);
}
@@ -371,7 +371,7 @@ static void cmd_name(int dev_id, int argc, char **argv)
/* Info about remote device */
static struct option info_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -475,7 +475,7 @@ static void cmd_info(int dev_id, int argc, char **argv)
/* Send arbitrary HCI commands */
static struct option cmd_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -492,7 +492,7 @@ static void cmd_cmd(int dev_id, int argc, char **argv)
hci_event_hdr *hdr;
int i, opt, len, dd;
uint16_t ocf;
- uint8_t ogf;
+ uint8_t ogf;
for_each_opt(opt, cmd_options, NULL) {
switch(opt) {
@@ -566,7 +566,7 @@ static void cmd_cmd(int dev_id, int argc, char **argv)
/* Display active connections */
static struct option con_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -593,9 +593,9 @@ static void cmd_con(int dev_id, int argc, char **argv)
/* Create connection */
static struct option cc_options[] = {
- {"help", 0,0, 'h'},
- {"role", 1,0, 'r'},
- {"ptype", 1,0, 'p'},
+ {"help", 0,0, 'h'},
+ {"role", 1,0, 'r'},
+ {"ptype", 1,0, 'p'},
{0, 0, 0, 0}
};
@@ -621,7 +621,7 @@ static void cmd_cc(int dev_id, int argc, char **argv)
case 'p':
hci_strtoptype(optarg, &ptype);
break;
-
+
case 'r':
role = optarg[0] == 'm' ? 0 : 1;
break;
@@ -662,7 +662,7 @@ static void cmd_cc(int dev_id, int argc, char **argv)
/* Close connection */
static struct option dc_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -707,16 +707,16 @@ static void cmd_dc(int dev_id, int argc, char **argv)
exit(1);
}
- cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info));
- if (!cr)
- return;
+ cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info));
+ if (!cr)
+ return;
- bacpy(&cr->bdaddr, &bdaddr);
- cr->type = ACL_LINK;
- if (ioctl(dd, HCIGETCONNINFO, (unsigned long) cr) < 0) {
+ bacpy(&cr->bdaddr, &bdaddr);
+ cr->type = ACL_LINK;
+ if (ioctl(dd, HCIGETCONNINFO, (unsigned long) cr) < 0) {
perror("Get connection info failed");
- exit(1);
- }
+ exit(1);
+ }
hci_disconnect(dd, cr->conn_info->handle, 0x13, 100);
@@ -724,10 +724,92 @@ static void cmd_dc(int dev_id, int argc, char **argv)
free(cr);
}
+/* Role switch */
+
+static struct option sr_options[] = {
+ {"help", 0,0, 'h'},
+ {0, 0, 0, 0}
+};
+
+static char *sr_help =
+ "Usage:\n"
+ "\tsr <bdaddr> <role>\n";
+
+static void cmd_sr(int dev_id, int argc, char **argv)
+{
+ struct hci_request rq;
+ switch_role_cp cp;
+ evt_role_change rp;
+ int opt, dd;
+
+ for_each_opt(opt, sr_options, NULL) {
+ switch(opt) {
+ default:
+ printf(sr_help);
+ return;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 2) {
+ printf(sr_help);
+ return;
+ }
+
+ str2ba(argv[0], &cp.bdaddr);
+ switch (argv[1][0]) {
+ case 'm':
+ cp.role = 0;
+ break;
+ case 's':
+ cp.role = 1;
+ break;
+ default:
+ cp.role = atoi(argv[1]);
+ break;
+ }
+
+ if (dev_id < 0) {
+ dev_id = hci_for_each_dev(HCI_UP, find_conn, (long) &cp.bdaddr);
+ if (dev_id < 0) {
+ fprintf(stderr, "Not connected.\n");
+ exit(1);
+ }
+ }
+
+ dd = hci_open_dev(dev_id);
+ if (dd < 0) {
+ perror("HCI device open failed");
+ exit(1);
+ }
+
+ memset(&rq, 0, sizeof(rq));
+ rq.ogf = OGF_LINK_POLICY;
+ rq.ocf = OCF_SWITCH_ROLE;
+ rq.cparam = &cp;
+ rq.clen = SWITCH_ROLE_CP_SIZE;
+ rq.rparam = &rp;
+ rq.rlen = EVT_ROLE_CHANGE_SIZE;
+ rq.event = EVT_ROLE_CHANGE;
+
+ if (hci_send_req(dd, &rq, 300) < 0) {
+ perror("Switch role request failed");
+ exit(1);
+ }
+
+ if (rp.status) {
+ fprintf(stderr, "Switch role cmd failed (0x%2.2X)\n", rp.status);
+ exit(1);
+ }
+
+ close(dd);
+}
+
/* Read RSSI */
static struct option rssi_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -738,7 +820,7 @@ static char *rssi_help =
static void cmd_rssi(int dev_id, int argc, char **argv)
{
struct hci_conn_info_req *cr;
- struct hci_request rq;
+ struct hci_request rq;
read_rssi_rp rp;
bdaddr_t bdaddr;
int opt, dd;
@@ -776,7 +858,7 @@ static void cmd_rssi(int dev_id, int argc, char **argv)
cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info));
if (!cr)
- return;
+ return;
bacpy(&cr->bdaddr, &bdaddr);
cr->type = ACL_LINK;
@@ -786,13 +868,13 @@ static void cmd_rssi(int dev_id, int argc, char **argv)
}
memset(&rq, 0, sizeof(rq));
- rq.ogf = OGF_STATUS_PARAM;
- rq.ocf = OCF_READ_RSSI;
+ rq.ogf = OGF_STATUS_PARAM;
+ rq.ocf = OCF_READ_RSSI;
rq.cparam = &cr->conn_info->handle;
- rq.clen = 2;
+ rq.clen = 2;
rq.rparam = &rp;
- rq.rlen = READ_RSSI_RP_SIZE;
-
+ rq.rlen = READ_RSSI_RP_SIZE;
+
if (hci_send_req(dd, &rq, 100) < 0) {
perror("Read RSSI failed");
exit(1);
@@ -803,7 +885,7 @@ static void cmd_rssi(int dev_id, int argc, char **argv)
exit(1);
}
printf("\tRSSI return value: %d\n", rp.rssi);
-
+
close(dd);
free(cr);
}
@@ -811,7 +893,7 @@ static void cmd_rssi(int dev_id, int argc, char **argv)
/* Get Link Quality */
static struct option link_quality_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -822,7 +904,7 @@ static char *link_quality_help =
static void cmd_link_quality(int dev_id, int argc, char **argv)
{
struct hci_conn_info_req *cr;
- struct hci_request rq;
+ struct hci_request rq;
get_link_quality_rp rp;
bdaddr_t bdaddr;
int opt, dd;
@@ -860,7 +942,7 @@ static void cmd_link_quality(int dev_id, int argc, char **argv)
cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info));
if (!cr)
- return;
+ return;
bacpy(&cr->bdaddr, &bdaddr);
cr->type = ACL_LINK;
@@ -868,7 +950,7 @@ static void cmd_link_quality(int dev_id, int argc, char **argv)
perror("Get connection info failed");
exit(1);
}
-
+
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_STATUS_PARAM;
rq.ocf = OCF_GET_LINK_QUALITY;
@@ -888,7 +970,7 @@ static void cmd_link_quality(int dev_id, int argc, char **argv)
exit(1);
}
printf("Link quality: %d\n", rp.link_quality);
-
+
close(dd);
free(cr);
}
@@ -896,7 +978,7 @@ static void cmd_link_quality(int dev_id, int argc, char **argv)
/* Set connection packet type */
static struct option cpt_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -908,7 +990,7 @@ static void cmd_cpt(int dev_id, int argc, char **argv)
{
struct hci_conn_info_req *cr;
struct hci_request rq;
- set_conn_ptype_cp cp;
+ set_conn_ptype_cp cp;
evt_conn_ptype_changed rp;
bdaddr_t bdaddr;
int opt, dd, ptype;
@@ -947,7 +1029,7 @@ static void cmd_cpt(int dev_id, int argc, char **argv)
cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info));
if (!cr)
- return;
+ return;
bacpy(&cr->bdaddr, &bdaddr);
cr->type = ACL_LINK;
@@ -955,19 +1037,19 @@ static void cmd_cpt(int dev_id, int argc, char **argv)
perror("Get connection info failed");
exit(1);
}
-
+
cp.handle = cr->conn_info->handle;
cp.pkt_type = ptype;
memset(&rq, 0, sizeof(rq));
- rq.ogf = OGF_LINK_CTL;
- rq.ocf = OCF_SET_CONN_PTYPE;
+ rq.ogf = OGF_LINK_CTL;
+ rq.ocf = OCF_SET_CONN_PTYPE;
rq.cparam = &cp;
rq.clen = SET_CONN_PTYPE_CP_SIZE;
rq.rparam = &rp;
rq.rlen = EVT_CONN_PTYPE_CHANGED_SIZE;
rq.event = EVT_CONN_PTYPE_CHANGED;
-
+
if (hci_send_req(dd, &rq, 100) < 0) {
perror("Packet type change failed");
exit(1);
@@ -980,7 +1062,7 @@ static void cmd_cpt(int dev_id, int argc, char **argv)
/* Get/Set Link Supervision Timeout */
static struct option link_supervision_options[] = {
- {"help", 0,0, 'h'},
+ {"help", 0,0, 'h'},
{0, 0, 0, 0}
};
@@ -991,7 +1073,7 @@ static char *link_supervision_help =
static void cmd_link_sup_to(int dev_id, int argc, char **argv)
{
struct hci_conn_info_req *cr;
- struct hci_request rq;
+ struct hci_request rq;
read_link_supervision_timeout_rp rp;
write_link_supervision_timeout_cp cp;
bdaddr_t bdaddr;
@@ -1030,7 +1112,7 @@ static void cmd_link_sup_to(int dev_id, int argc, char **argv)
cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info));
if (!cr)
- return;
+ return;
bacpy(&cr->bdaddr, &bdaddr);
cr->type = ACL_LINK;
@@ -1038,16 +1120,16 @@ static void cmd_link_sup_to(int dev_id, int argc, char **argv)
perror("Get connection info failed");
exit(1);
}
-
+
if (argc == 1) {
memset(&rq, 0, sizeof(rq));
- rq.ogf = OGF_HOST_CTL;
- rq.ocf = OCF_READ_LINK_SUPERVISION_TIMEOUT;
+ rq.ogf = OGF_HOST_CTL;
+ rq.ocf = OCF_READ_LINK_SUPERVISION_TIMEOUT;
rq.cparam = &cr->conn_info->handle;
- rq.clen = 2;
+ rq.clen = 2;
rq.rparam = &rp;
- rq.rlen = READ_LINK_SUPERVISION_TIMEOUT_RP_SIZE;
-
+ rq.rlen = READ_LINK_SUPERVISION_TIMEOUT_RP_SIZE;
+
if (hci_send_req(dd, &rq, 100) < 0) {
perror("HCI read_link_supervision_timeout request failed");
exit(1);
@@ -1069,11 +1151,11 @@ static void cmd_link_sup_to(int dev_id, int argc, char **argv)
cp.link_sup_to = strtol(argv[1], NULL, 10);
memset(&rq, 0, sizeof(rq));
- rq.ogf = OGF_HOST_CTL;
- rq.ocf = OCF_WRITE_LINK_SUPERVISION_TIMEOUT;
+ rq.ogf = OGF_HOST_CTL;
+ rq.ocf = OCF_WRITE_LINK_SUPERVISION_TIMEOUT;
rq.cparam = &cp;
- rq.clen = WRITE_LINK_SUPERVISION_TIMEOUT_CP_SIZE;
-
+ rq.clen = WRITE_LINK_SUPERVISION_TIMEOUT_CP_SIZE;
+
if (hci_send_req(dd, &rq, 100) < 0) {
perror("HCI write_link_supervision_timeout request failed");
exit(1);
@@ -1098,6 +1180,7 @@ struct {
{ "con", cmd_con, "Display active connections" },
{ "cc", cmd_cc, "Create connection to remote device" },
{ "dc", cmd_dc, "Disconnect from remote device" },
+ { "sr", cmd_sr, "Switch master/slave role" },
{ "cpt", cmd_cpt, "Change connection packet type" },
{ "rssi", cmd_rssi, "Display connection RSSI" },
{ "lq", cmd_link_quality, "Display link quality" },
@@ -1125,8 +1208,8 @@ static void usage(void)
}
static struct option main_options[] = {
- {"help", 0,0, 'h'},
- {"device", 1,0, 'i'},
+ {"help", 0,0, 'h'},
+ {"device", 1,0, 'i'},
{0, 0, 0, 0}
};
generated by cgit (git 2.34.1) at 2025-10-31 17:24:58 +0000