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Diffstat (limited to 'net/nfc/hci/command.c')
-rw-r--r--net/nfc/hci/command.c62
1 files changed, 11 insertions, 51 deletions
diff --git a/net/nfc/hci/command.c b/net/nfc/hci/command.c
index 64f922be9281..af6bacb3ba98 100644
--- a/net/nfc/hci/command.c
+++ b/net/nfc/hci/command.c
@@ -1,20 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define pr_fmt(fmt) "hci: %s: " fmt, __func__
@@ -28,6 +14,8 @@
#include "hci.h"
+#define MAX_FWI 4949
+
static int nfc_hci_execute_cmd_async(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
const u8 *param, size_t param_len,
data_exchange_cb_t cb, void *cb_context)
@@ -39,14 +27,14 @@ static int nfc_hci_execute_cmd_async(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
* for all commands?
*/
return nfc_hci_hcp_message_tx(hdev, pipe, NFC_HCI_HCP_COMMAND, cmd,
- param, param_len, cb, cb_context, 3000);
+ param, param_len, cb, cb_context, MAX_FWI);
}
/*
* HCI command execution completion callback.
* err will be a standard linux error (may be converted from HCI response)
* skb contains the response data and must be disposed, or may be NULL if
- * an error occured
+ * an error occurred
*/
static void nfc_hci_execute_cb(void *context, struct sk_buff *skb, int err)
{
@@ -84,7 +72,7 @@ static int nfc_hci_execute_cmd(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
NFC_HCI_HCP_COMMAND, cmd,
param, param_len,
nfc_hci_execute_cb, &hcp_ew,
- 3000);
+ MAX_FWI);
if (hcp_ew.exec_result < 0)
return hcp_ew.exec_result;
@@ -116,23 +104,6 @@ int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
}
EXPORT_SYMBOL(nfc_hci_send_event);
-int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
- const u8 *param, size_t param_len)
-{
- u8 pipe;
-
- pr_debug("\n");
-
- pipe = hdev->gate2pipe[gate];
- if (pipe == NFC_HCI_INVALID_PIPE)
- return -EADDRNOTAVAIL;
-
- return nfc_hci_hcp_message_tx(hdev, pipe, NFC_HCI_HCP_RESPONSE,
- response, param, param_len, NULL, NULL,
- 0);
-}
-EXPORT_SYMBOL(nfc_hci_send_response);
-
/*
* Execute an hci command sent to gate.
* skb will contain response data if success. skb can be NULL if you are not
@@ -143,8 +114,6 @@ int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
{
u8 pipe;
- pr_debug("\n");
-
pipe = hdev->gate2pipe[gate];
if (pipe == NFC_HCI_INVALID_PIPE)
return -EADDRNOTAVAIL;
@@ -159,8 +128,6 @@ int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
{
u8 pipe;
- pr_debug("\n");
-
pipe = hdev->gate2pipe[gate];
if (pipe == NFC_HCI_INVALID_PIPE)
return -EADDRNOTAVAIL;
@@ -234,8 +201,6 @@ static int nfc_hci_open_pipe(struct nfc_hci_dev *hdev, u8 pipe)
static int nfc_hci_close_pipe(struct nfc_hci_dev *hdev, u8 pipe)
{
- pr_debug("\n");
-
return nfc_hci_execute_cmd(hdev, pipe, NFC_HCI_ANY_CLOSE_PIPE,
NULL, 0, NULL);
}
@@ -271,8 +236,6 @@ static u8 nfc_hci_create_pipe(struct nfc_hci_dev *hdev, u8 dest_host,
static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe)
{
- pr_debug("\n");
-
return nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
NFC_HCI_ADM_DELETE_PIPE, &pipe, 1, NULL);
}
@@ -285,8 +248,6 @@ static int nfc_hci_clear_all_pipes(struct nfc_hci_dev *hdev)
/* TODO: Find out what the identity reference data is
* and fill param with it. HCI spec 6.1.3.5 */
- pr_debug("\n");
-
if (test_bit(NFC_HCI_QUIRK_SHORT_CLEAR, &hdev->quirks))
param_len = 0;
@@ -300,8 +261,6 @@ int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate)
int r;
u8 pipe = hdev->gate2pipe[gate];
- pr_debug("\n");
-
if (pipe == NFC_HCI_INVALID_PIPE)
return -EADDRNOTAVAIL;
@@ -325,13 +284,11 @@ int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev)
{
int r;
- pr_debug("\n");
-
r = nfc_hci_clear_all_pipes(hdev);
if (r < 0)
return r;
- memset(hdev->gate2pipe, NFC_HCI_INVALID_PIPE, sizeof(hdev->gate2pipe));
+ nfc_hci_reset_pipes(hdev);
return 0;
}
@@ -343,7 +300,8 @@ int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
bool pipe_created = false;
int r;
- pr_debug("\n");
+ if (pipe == NFC_HCI_DO_NOT_CREATE_PIPE)
+ return 0;
if (hdev->gate2pipe[dest_gate] != NFC_HCI_INVALID_PIPE)
return -EADDRINUSE;
@@ -377,6 +335,8 @@ open_pipe:
return r;
}
+ hdev->pipes[pipe].gate = dest_gate;
+ hdev->pipes[pipe].dest_host = dest_host;
hdev->gate2pipe[dest_gate] = pipe;
return 0;