2 * nop (passthrough) Link Layer Control
4 * Copyright (C) 2012 Intel Corporation. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the
17 * Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include <linux/types.h>
26 struct nfc_hci_dev *hdev;
27 xmit_to_drv_t xmit_to_drv;
28 rcv_to_hci_t rcv_to_hci;
31 llc_failure_t llc_failure;
34 static void *llc_nop_init(struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
35 rcv_to_hci_t rcv_to_hci, int tx_headroom,
36 int tx_tailroom, int *rx_headroom, int *rx_tailroom,
37 llc_failure_t llc_failure)
39 struct llc_nop *llc_nop;
44 llc_nop = kzalloc(sizeof(struct llc_nop), GFP_KERNEL);
49 llc_nop->xmit_to_drv = xmit_to_drv;
50 llc_nop->rcv_to_hci = rcv_to_hci;
51 llc_nop->tx_headroom = tx_headroom;
52 llc_nop->tx_tailroom = tx_tailroom;
53 llc_nop->llc_failure = llc_failure;
58 static void llc_nop_deinit(struct nfc_llc *llc)
60 kfree(nfc_llc_get_data(llc));
63 static int llc_nop_start(struct nfc_llc *llc)
68 static int llc_nop_stop(struct nfc_llc *llc)
73 static void llc_nop_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb)
75 struct llc_nop *llc_nop = nfc_llc_get_data(llc);
77 llc_nop->rcv_to_hci(llc_nop->hdev, skb);
80 static int llc_nop_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb)
82 struct llc_nop *llc_nop = nfc_llc_get_data(llc);
84 return llc_nop->xmit_to_drv(llc_nop->hdev, skb);
87 static struct nfc_llc_ops llc_nop_ops = {
89 .deinit = llc_nop_deinit,
90 .start = llc_nop_start,
92 .rcv_from_drv = llc_nop_rcv_from_drv,
93 .xmit_from_hci = llc_nop_xmit_from_hci,
96 int nfc_llc_nop_register(void)
98 return nfc_llc_register(LLC_NOP_NAME, &llc_nop_ops);