1/*
2 * Copyright (c) 2010-2011 Atheros Communications Inc.
3 * Copyright (c) 2011 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include "testmode.h"
19#include "debug.h"
20
21#include <net/netlink.h>
22
23enum ath6kl_tm_attr {
24	__ATH6KL_TM_ATTR_INVALID	= 0,
25	ATH6KL_TM_ATTR_CMD		= 1,
26	ATH6KL_TM_ATTR_DATA		= 2,
27
28	/* keep last */
29	__ATH6KL_TM_ATTR_AFTER_LAST,
30	ATH6KL_TM_ATTR_MAX		= __ATH6KL_TM_ATTR_AFTER_LAST - 1,
31};
32
33enum ath6kl_tm_cmd {
34	ATH6KL_TM_CMD_TCMD		= 0,
35	ATH6KL_TM_CMD_RX_REPORT		= 1,	/* not used anymore */
36};
37
38#define ATH6KL_TM_DATA_MAX_LEN		5000
39
40static const struct nla_policy ath6kl_tm_policy[ATH6KL_TM_ATTR_MAX + 1] = {
41	[ATH6KL_TM_ATTR_CMD]		= { .type = NLA_U32 },
42	[ATH6KL_TM_ATTR_DATA]		= { .type = NLA_BINARY,
43					    .len = ATH6KL_TM_DATA_MAX_LEN },
44};
45
46void ath6kl_tm_rx_event(struct ath6kl *ar, void *buf, size_t buf_len)
47{
48	struct sk_buff *skb;
49
50	if (!buf || buf_len == 0)
51		return;
52
53	skb = cfg80211_testmode_alloc_event_skb(ar->wiphy, buf_len, GFP_KERNEL);
54	if (!skb) {
55		ath6kl_warn("failed to allocate testmode rx skb!\n");
56		return;
57	}
58	if (nla_put_u32(skb, ATH6KL_TM_ATTR_CMD, ATH6KL_TM_CMD_TCMD) ||
59	    nla_put(skb, ATH6KL_TM_ATTR_DATA, buf_len, buf))
60		goto nla_put_failure;
61	cfg80211_testmode_event(skb, GFP_KERNEL);
62	return;
63
64nla_put_failure:
65	kfree_skb(skb);
66	ath6kl_warn("nla_put failed on testmode rx skb!\n");
67}
68
69int ath6kl_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
70		  void *data, int len)
71{
72	struct ath6kl *ar = wiphy_priv(wiphy);
73	struct nlattr *tb[ATH6KL_TM_ATTR_MAX + 1];
74	int err, buf_len;
75	void *buf;
76
77	err = nla_parse_deprecated(tb, ATH6KL_TM_ATTR_MAX, data, len,
78				   ath6kl_tm_policy, NULL);
79	if (err)
80		return err;
81
82	if (!tb[ATH6KL_TM_ATTR_CMD])
83		return -EINVAL;
84
85	switch (nla_get_u32(tb[ATH6KL_TM_ATTR_CMD])) {
86	case ATH6KL_TM_CMD_TCMD:
87		if (!tb[ATH6KL_TM_ATTR_DATA])
88			return -EINVAL;
89
90		buf = nla_data(tb[ATH6KL_TM_ATTR_DATA]);
91		buf_len = nla_len(tb[ATH6KL_TM_ATTR_DATA]);
92
93		ath6kl_wmi_test_cmd(ar->wmi, buf, buf_len);
94
95		return 0;
96
97	case ATH6KL_TM_CMD_RX_REPORT:
98	default:
99		return -EOPNOTSUPP;
100	}
101}
102