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Add new SIOC_HCI_RAW_NODE_LIST_NAMES ioctl. User-space applications can

Browse source 
use this ioctl to obtain the list of HCI nodes. User-space application
is expected to preallocate 'ng_btsocket_hci_raw_node_list_names' structure
and set limit in 'num_nodes' field. The 'nodes' field should be allocated
as well and it should have space for at least 'num_nodes' elements.

The SIOC_HCI_RAW_NODE_LIST_NAMES should be issued on bound raw HCI socket.
It does not really really matter what HCI name the socket is bound to, as
long as it is not empty.

MFC after:	1 week
This commit is contained in:
Maksim Yevmenkin 2006-05-17 00:13:07 +00:00
parent 3c0ebd45a5
commit c4e3f62cc1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=158672
3 changed files with 75 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
sys/netgraph/bluetooth/include/ng_btsocket.h
View file

@ -189,6 +189,15 @@ struct ng_btsocket_hci_raw_node_role_switch {
_IOWR('b', NGM_HCI_NODE_SET_ROLE_SWITCH, \
struct ng_btsocket_hci_raw_node_role_switch)
/* Get list of HCI node names */
struct ng_btsocket_hci_raw_node_list_names {
u_int32_t num_names;
struct nodeinfo *names;
};
#define SIOC_HCI_RAW_NODE_LIST_NAMES \
_IOWR('b', NGM_HCI_NODE_LIST_NAMES, \
struct ng_btsocket_hci_raw_node_list_names)
/*
* XXX FIXME: probably does not belong here
* Bluetooth version of struct sockaddr for L2CAP sockets (RAW and SEQPACKET)

2
sys/netgraph/bluetooth/include/ng_hci.h
View file

@ -604,6 +604,8 @@ typedef u_int16_t ng_hci_node_packet_mask_ep;
#define NGM_HCI_NODE_SET_ROLE_SWITCH 119 /* User -> HCI */
typedef u_int16_t ng_hci_node_role_switch_ep;
#define NGM_HCI_NODE_LIST_NAMES 200 /* HCI -> User */
/**************************************************************************
**************************************************************************
** Link control commands and return parameters

65
sys/netgraph/bluetooth/socket/ng_btsocket_hci_raw.c
View file

@ -257,7 +257,8 @@ ng_btsocket_hci_raw_node_rcvmsg(node_p node, item_p item, hook_p lasthook)
*/
if (msg != NULL &&
msg->header.typecookie == NGM_HCI_COOKIE &&
(msg->header.typecookie == NGM_HCI_COOKIE ||
msg->header.typecookie == NGM_GENERIC_COOKIE) &&
msg->header.flags & NGF_RESP) {
if (msg->header.token == 0) {
NG_FREE_ITEM(item);
@ -1307,6 +1308,68 @@ ng_btsocket_hci_raw_control(struct socket *so, u_long cmd, caddr_t data,
error = EPERM;
} break;
case SIOC_HCI_RAW_NODE_LIST_NAMES: {
struct ng_btsocket_hci_raw_node_list_names *nl =
(struct ng_btsocket_hci_raw_node_list_names *) data;
struct nodeinfo *ni = nl->names;
if (nl->num_names == 0) {
error = EINVAL;
break;
}
NG_MKMESSAGE(msg, NGM_GENERIC_COOKIE, NGM_LISTNAMES,
0, M_NOWAIT);
if (msg == NULL) {
error = ENOMEM;
break;
}
ng_btsocket_hci_raw_get_token(&msg->header.token);
pcb->token = msg->header.token;
pcb->msg = NULL;
NG_SEND_MSG_PATH(error, ng_btsocket_hci_raw_node, msg, ".:", 0);
if (error != 0) {
pcb->token = 0;
break;
}
error = msleep(&pcb->msg, &pcb->pcb_mtx,
PZERO|PCATCH, "hcictl",
ng_btsocket_hci_raw_ioctl_timeout * hz);
pcb->token = 0;
if (error != 0)
break;
if (pcb->msg != NULL && pcb->msg->header.cmd == NGM_LISTNAMES) {
/* Return data back to user space */
struct namelist *nl1 = (struct namelist *) pcb->msg->data;
struct nodeinfo *ni1 = &nl1->nodeinfo[0];
while (nl->num_names > 0 && nl1->numnames > 0) {
if (strcmp(ni1->type, NG_HCI_NODE_TYPE) == 0) {
error = copyout((caddr_t) ni1,
(caddr_t) ni,
sizeof(*ni));
if (error != 0)
break;
nl->num_names --;
ni ++;
}
nl1->numnames --;
ni1 ++;
}
nl->num_names = ni - nl->names;
} else
error = EINVAL;
NG_FREE_MSG(pcb->msg); /* checks for != NULL */
} break;
default:
error = EINVAL;
break;