linux-hardened/net/bluetooth/amp.c
Andrei Emeltchenko 3161ae1c72 Bluetooth: AMP: Physical link struct and helpers
Define physical link structures. Physical links are represented by
hci_conn structure. For BR/EDR we use type ACL_LINK and for AMP
we use AMP_LINK.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-09-27 17:11:52 -03:00

74 lines
1.9 KiB
C

/*
Copyright (c) 2011,2012 Intel Corp.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 and
only version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/a2mp.h>
#include <net/bluetooth/amp.h>
/* Physical Link interface */
static u8 __next_handle(struct amp_mgr *mgr)
{
if (++mgr->handle == 0)
mgr->handle = 1;
return mgr->handle;
}
struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
u8 remote_id)
{
bdaddr_t *dst = mgr->l2cap_conn->dst;
struct hci_conn *hcon;
hcon = hci_conn_add(hdev, AMP_LINK, dst);
if (!hcon)
return NULL;
hcon->state = BT_CONNECT;
hcon->out = true;
hcon->attempt++;
hcon->handle = __next_handle(mgr);
hcon->remote_id = remote_id;
hcon->amp_mgr = mgr;
return hcon;
}
void amp_read_loc_assoc_frag(struct hci_dev *hdev, u8 phy_handle)
{
struct hci_cp_read_local_amp_assoc cp;
struct amp_assoc *loc_assoc = &hdev->loc_assoc;
BT_DBG("%s handle %d", hdev->name, phy_handle);
cp.phy_handle = phy_handle;
cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
cp.len_so_far = cpu_to_le16(loc_assoc->offset);
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
}
void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr)
{
struct hci_cp_read_local_amp_assoc cp;
memset(&hdev->loc_assoc, 0, sizeof(struct amp_assoc));
memset(&cp, 0, sizeof(cp));
cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
mgr->state = READ_LOC_AMP_ASSOC;
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
}