#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/mgmt.h>
+#define MGMT_VERSION 0
+#define MGMT_REVISION 1
+
static int cmd_status(struct sock *sk, u16 cmd, u8 status)
{
struct sk_buff *skb;
return 0;
}
+static int read_version(struct sock *sk)
+{
+ struct sk_buff *skb;
+ struct mgmt_hdr *hdr;
+ struct mgmt_ev_cmd_complete *ev;
+ struct mgmt_rp_read_version *rp;
+
+ BT_DBG("sock %p", sk);
+
+ skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = (void *) skb_put(skb, sizeof(*hdr));
+ hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
+ hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp));
+
+ ev = (void *) skb_put(skb, sizeof(*ev));
+ put_unaligned_le16(MGMT_OP_READ_VERSION, &ev->opcode);
+
+ rp = (void *) skb_put(skb, sizeof(*rp));
+ rp->version = MGMT_VERSION;
+ put_unaligned_le16(MGMT_REVISION, &rp->revision);
+
+ if (sock_queue_rcv_skb(sk, skb) < 0)
+ kfree_skb(skb);
+
+ return 0;
+}
+
+static int read_index_list(struct sock *sk)
+{
+ struct sk_buff *skb;
+ struct mgmt_hdr *hdr;
+ struct mgmt_ev_cmd_complete *ev;
+ struct mgmt_rp_read_index_list *rp;
+ struct list_head *p;
+ size_t body_len;
+ u16 count;
+ int i;
+
+ BT_DBG("sock %p", sk);
+
+ read_lock(&hci_dev_list_lock);
+
+ count = 0;
+ list_for_each(p, &hci_dev_list) {
+ count++;
+ }
+
+ body_len = sizeof(*ev) + sizeof(*rp) + (2 * count);
+ skb = alloc_skb(sizeof(*hdr) + body_len, GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = (void *) skb_put(skb, sizeof(*hdr));
+ hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
+ hdr->len = cpu_to_le16(body_len);
+
+ ev = (void *) skb_put(skb, sizeof(*ev));
+ put_unaligned_le16(MGMT_OP_READ_INDEX_LIST, &ev->opcode);
+
+ rp = (void *) skb_put(skb, sizeof(*rp) + (2 * count));
+ put_unaligned_le16(count, &rp->num_controllers);
+
+ i = 0;
+ list_for_each(p, &hci_dev_list) {
+ struct hci_dev *d = list_entry(p, struct hci_dev, list);
+ put_unaligned_le16(d->id, &rp->index[i++]);
+ BT_DBG("Added hci%u", d->id);
+ }
+
+ read_unlock(&hci_dev_list_lock);
+
+ if (sock_queue_rcv_skb(sk, skb) < 0)
+ kfree_skb(skb);
+
+ return 0;
+}
+
+static int read_controller_info(struct sock *sk, unsigned char *data, u16 len)
+{
+ struct sk_buff *skb;
+ struct mgmt_hdr *hdr;
+ struct mgmt_ev_cmd_complete *ev;
+ struct mgmt_rp_read_info *rp;
+ struct mgmt_cp_read_info *cp;
+ struct hci_dev *hdev;
+ u16 dev_id;
+
+ BT_DBG("sock %p", sk);
+
+ if (len != 2)
+ return cmd_status(sk, MGMT_OP_READ_INFO, EINVAL);
+
+ skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = (void *) skb_put(skb, sizeof(*hdr));
+ hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
+ hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp));
+
+ ev = (void *) skb_put(skb, sizeof(*ev));
+ put_unaligned_le16(MGMT_OP_READ_INFO, &ev->opcode);
+
+ rp = (void *) skb_put(skb, sizeof(*rp));
+
+ cp = (void *) data;
+ dev_id = get_unaligned_le16(&cp->index);
+
+ BT_DBG("request for hci%u", dev_id);
+
+ hdev = hci_dev_get(dev_id);
+ if (!hdev) {
+ kfree_skb(skb);
+ return cmd_status(sk, MGMT_OP_READ_INFO, ENODEV);
+ }
+
+ hci_dev_lock_bh(hdev);
+
+ put_unaligned_le16(hdev->id, &rp->index);
+ rp->type = hdev->dev_type;
+
+ rp->powered = test_bit(HCI_UP, &hdev->flags);
+ rp->discoverable = test_bit(HCI_ISCAN, &hdev->flags);
+ rp->pairable = test_bit(HCI_PSCAN, &hdev->flags);
+
+ if (test_bit(HCI_AUTH, &hdev->flags))
+ rp->sec_mode = 3;
+ else if (hdev->ssp_mode > 0)
+ rp->sec_mode = 4;
+ else
+ rp->sec_mode = 2;
+
+ bacpy(&rp->bdaddr, &hdev->bdaddr);
+ memcpy(rp->features, hdev->features, 8);
+ memcpy(rp->dev_class, hdev->dev_class, 3);
+ put_unaligned_le16(hdev->manufacturer, &rp->manufacturer);
+ rp->hci_ver = hdev->hci_ver;
+ put_unaligned_le16(hdev->hci_rev, &rp->hci_rev);
+
+ hci_dev_unlock_bh(hdev);
+ hci_dev_put(hdev);
+
+ if (sock_queue_rcv_skb(sk, skb) < 0)
+ kfree_skb(skb);
+
+ return 0;
+}
+
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
{
unsigned char *buf;
}
switch (opcode) {
+ case MGMT_OP_READ_VERSION:
+ err = read_version(sk);
+ break;
+ case MGMT_OP_READ_INDEX_LIST:
+ err = read_index_list(sk);
+ break;
+ case MGMT_OP_READ_INFO:
+ err = read_controller_info(sk, buf + sizeof(*hdr), len);
+ break;
default:
BT_DBG("Unknown op %u", opcode);
err = cmd_status(sk, opcode, 0x01);
kfree(buf);
return err;
}
+
+static int mgmt_event(u16 event, void *data, u16 data_len)
+{
+ struct sk_buff *skb;
+ struct mgmt_hdr *hdr;
+
+ skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
+
+ bt_cb(skb)->channel = HCI_CHANNEL_CONTROL;
+
+ hdr = (void *) skb_put(skb, sizeof(*hdr));
+ hdr->opcode = cpu_to_le16(event);
+ hdr->len = cpu_to_le16(data_len);
+
+ memcpy(skb_put(skb, data_len), data, data_len);
+
+ hci_send_to_sock(NULL, skb);
+ kfree_skb(skb);
+
+ return 0;
+}
+
+int mgmt_index_added(u16 index)
+{
+ struct mgmt_ev_index_added ev;
+
+ put_unaligned_le16(index, &ev.index);
+
+ return mgmt_event(MGMT_EV_INDEX_ADDED, &ev, sizeof(ev));
+}
+
+int mgmt_index_removed(u16 index)
+{
+ struct mgmt_ev_index_added ev;
+
+ put_unaligned_le16(index, &ev.index);
+
+ return mgmt_event(MGMT_EV_INDEX_REMOVED, &ev, sizeof(ev));
+}
projects / mv-sheeva.git / blobdiff