diff options
Diffstat (limited to 'lib/libbluetooth/hci.c')
| -rw-r--r-- | lib/libbluetooth/hci.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/lib/libbluetooth/hci.c b/lib/libbluetooth/hci.c index 9f0bdbe75969..3a524cebc3ae 100644 --- a/lib/libbluetooth/hci.c +++ b/lib/libbluetooth/hci.c @@ -32,6 +32,9 @@ * $FreeBSD$ */ +#include <sys/types.h> +#include <sys/sysctl.h> + #include <assert.h> #define L2CAP_SOCKET_CHECKED #include <bluetooth.h> @@ -39,6 +42,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <time.h> #include <unistd.h> #undef MIN @@ -46,6 +50,7 @@ static int bt_devany_cb(int s, struct bt_devinfo const *di, void *xdevname); static char * bt_dev2node (char const *devname, char *nodename, int nnlen); +static time_t bt_get_default_hci_command_timeout(void); int bt_devopen(char const *devname) @@ -534,6 +539,63 @@ wait_for_more: return (i - *ii); } +char * +bt_devremote_name(char const *devname, const bdaddr_t *remote, time_t to, + uint16_t clk_off, uint8_t ps_rep_mode, uint8_t ps_mode) +{ + char _devname[HCI_DEVNAME_SIZE]; + struct bt_devreq r; + ng_hci_remote_name_req_cp cp; + ng_hci_remote_name_req_compl_ep ep; + int s; + char *remote_name = NULL; + + if (remote == NULL || to < 0) { + errno = EINVAL; + goto out; + } + + if (to == 0) { + to = bt_get_default_hci_command_timeout(); + if (to < 0) + goto out; + } + to++; + + if (devname == NULL) { + memset(_devname, 0, sizeof(_devname)); + devname = _devname; + if (bt_devenum(bt_devany_cb, _devname) <= 0) + goto out; + } + + memset(&r, 0, sizeof(r)); + memset(&cp, 0, sizeof(cp)); + memset(&ep, 0, sizeof(ep)); + cp.clock_offset = htole16(clk_off); + cp.page_scan_rep_mode = ps_rep_mode; + cp.page_scan_mode = ps_mode; + bdaddr_copy(&cp.bdaddr, remote); + r.opcode = NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL, + NG_HCI_OCF_REMOTE_NAME_REQ); + r.event = NG_HCI_EVENT_REMOTE_NAME_REQ_COMPL; + r.cparam = &cp; + r.clen = sizeof(cp); + r.rparam = &ep; + r.rlen = sizeof(ep); + + s = bt_devopen(devname); + if (s < 0) + goto out; + + if (bt_devreq(s, &r, to) == 0 || ep.status == 0x00) + remote_name = strndup((const char *)&ep.name, sizeof(ep.name)); + + bt_devclose(s); +out: + return (remote_name); +} + int bt_devinfo(struct bt_devinfo *di) { @@ -735,3 +797,21 @@ bt_dev2node(char const *devname, char *nodename, int nnlen) return (NULL); } +static time_t +bt_get_default_hci_command_timeout(void) +{ + int to; + size_t to_size = sizeof(to); + + if (sysctlbyname("net.bluetooth.hci.command_timeout", + &to, &to_size, NULL, 0) < 0) + return (-1); + + /* Should not happen */ + if (to <= 0) { + errno = ERANGE; + return (-1); + } + + return ((time_t)to); +} |