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
23 enum 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
33 enum 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
40 static 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
ath6kl_tm_rx_event(struct ath6kl * ar,void * buf,size_t buf_len)46 void 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
64 nla_put_failure:
65 kfree_skb(skb);
66 ath6kl_warn("nla_put failed on testmode rx skb!\n");
67 }
68
ath6kl_tm_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)69 int 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