102 lines · c
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 any6 * purpose with or without fee is hereby granted, provided that the above7 * copyright notice and this permission notice appear in all copies.8 *9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF15 * 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 500039 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