2 * Copyright (c) 2014 Qualcomm Atheros, Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <net/netlink.h>
20 #include <linux/firmware.h>
28 #include "testmode_i.h"
30 static const struct nla_policy ath10k_tm_policy[ATH10K_TM_ATTR_MAX + 1] = {
31 [ATH10K_TM_ATTR_CMD] = { .type = NLA_U32 },
32 [ATH10K_TM_ATTR_DATA] = { .type = NLA_BINARY,
33 .len = ATH10K_TM_DATA_MAX_LEN },
34 [ATH10K_TM_ATTR_WMI_CMDID] = { .type = NLA_U32 },
35 [ATH10K_TM_ATTR_VERSION_MAJOR] = { .type = NLA_U32 },
36 [ATH10K_TM_ATTR_VERSION_MINOR] = { .type = NLA_U32 },
39 /* Returns true if callee consumes the skb and the skb should be discarded.
40 * Returns false if skb is not used. Does not sleep.
42 bool ath10k_tm_event_wmi(struct ath10k *ar, u32 cmd_id, struct sk_buff *skb)
44 struct sk_buff *nl_skb;
48 ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
49 "testmode event wmi cmd_id %d skb %pK skb->len %d\n",
50 cmd_id, skb, skb->len);
52 ath10k_dbg_dump(ar, ATH10K_DBG_TESTMODE, NULL, "", skb->data, skb->len);
54 spin_lock_bh(&ar->data_lock);
56 if (!ar->testmode.utf_monitor) {
61 /* Only testmode.c should be handling events from utf firmware,
62 * otherwise all sort of problems will arise as mac80211 operations
63 * are not initialised.
67 nl_skb = cfg80211_testmode_alloc_event_skb(ar->hw->wiphy,
68 2 * sizeof(u32) + skb->len,
72 "failed to allocate skb for testmode wmi event\n");
76 ret = nla_put_u32(nl_skb, ATH10K_TM_ATTR_CMD, ATH10K_TM_CMD_WMI);
79 "failed to to put testmode wmi event cmd attribute: %d\n",
85 ret = nla_put_u32(nl_skb, ATH10K_TM_ATTR_WMI_CMDID, cmd_id);
88 "failed to to put testmode wmi even cmd_id: %d\n",
94 ret = nla_put(nl_skb, ATH10K_TM_ATTR_DATA, skb->len, skb->data);
97 "failed to copy skb to testmode wmi event: %d\n",
103 cfg80211_testmode_event(nl_skb, GFP_ATOMIC);
106 spin_unlock_bh(&ar->data_lock);
111 static int ath10k_tm_cmd_get_version(struct ath10k *ar, struct nlattr *tb[])
116 ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
117 "testmode cmd get version_major %d version_minor %d\n",
118 ATH10K_TESTMODE_VERSION_MAJOR,
119 ATH10K_TESTMODE_VERSION_MINOR);
121 skb = cfg80211_testmode_alloc_reply_skb(ar->hw->wiphy,
122 nla_total_size(sizeof(u32)));
126 ret = nla_put_u32(skb, ATH10K_TM_ATTR_VERSION_MAJOR,
127 ATH10K_TESTMODE_VERSION_MAJOR);
133 ret = nla_put_u32(skb, ATH10K_TM_ATTR_VERSION_MINOR,
134 ATH10K_TESTMODE_VERSION_MINOR);
140 return cfg80211_testmode_reply(skb);
143 static int ath10k_tm_fetch_utf_firmware_api_1(struct ath10k *ar,
144 struct ath10k_fw_file *fw_file)
149 snprintf(filename, sizeof(filename), "%s/%s",
150 ar->hw_params.fw.dir, ATH10K_FW_UTF_FILE);
152 /* load utf firmware image */
153 ret = reject_firmware(&fw_file->firmware, filename, ar->dev);
155 ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n",
160 /* We didn't find FW UTF API 1 *//*(DEBLOBBED)*//* does not advertise
161 * firmware features. Do an ugly hack where we force the firmware
162 * features to match with 10.1 branch so that wmi.c will use the
163 * correct WMI interface.
166 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
167 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
168 fw_file->firmware_data = fw_file->firmware->data;
169 fw_file->firmware_len = fw_file->firmware->size;
174 static int ath10k_tm_fetch_firmware(struct ath10k *ar)
176 struct ath10k_fw_components *utf_mode_fw;
179 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_UTF_API2_FILE,
180 &ar->testmode.utf_mode_fw.fw_file);
182 ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using fw utf api 2");
186 ret = ath10k_tm_fetch_utf_firmware_api_1(ar, &ar->testmode.utf_mode_fw.fw_file);
188 ath10k_err(ar, "failed to fetch utf firmware binary: %d", ret);
192 ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using utf api 1");
195 utf_mode_fw = &ar->testmode.utf_mode_fw;
197 /* Use the same board data file as the normal firmware uses (but
198 * it's still "owned" by normal_mode_fw so we shouldn't free it.
200 utf_mode_fw->board_data = ar->normal_mode_fw.board_data;
201 utf_mode_fw->board_len = ar->normal_mode_fw.board_len;
203 if (!utf_mode_fw->fw_file.otp_data) {
204 ath10k_info(ar, "/*(DEBLOBBED)*/ didn't contain otp binary, taking it from the normal mode firmware");
205 utf_mode_fw->fw_file.otp_data = ar->normal_mode_fw.fw_file.otp_data;
206 utf_mode_fw->fw_file.otp_len = ar->normal_mode_fw.fw_file.otp_len;
212 static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[])
217 ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode cmd utf start\n");
219 mutex_lock(&ar->conf_mutex);
221 if (ar->state == ATH10K_STATE_UTF) {
226 /* start utf only when the driver is not in use */
227 if (ar->state != ATH10K_STATE_OFF) {
232 if (WARN_ON(ar->testmode.utf_mode_fw.fw_file.firmware != NULL)) {
233 /* utf image is already downloaded, it shouldn't be */
238 ret = ath10k_tm_fetch_firmware(ar);
240 ath10k_err(ar, "failed to fetch UTF firmware: %d", ret);
244 if (ar->testmode.utf_mode_fw.fw_file.codeswap_data &&
245 ar->testmode.utf_mode_fw.fw_file.codeswap_len) {
246 ret = ath10k_swap_code_seg_init(ar,
247 &ar->testmode.utf_mode_fw.fw_file);
250 "failed to init utf code swap segment: %d\n",
252 goto err_release_utf_mode_fw;
256 spin_lock_bh(&ar->data_lock);
257 ar->testmode.utf_monitor = true;
258 spin_unlock_bh(&ar->data_lock);
260 ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode wmi version %d\n",
261 ar->testmode.utf_mode_fw.fw_file.wmi_op_version);
263 ret = ath10k_hif_power_up(ar);
265 ath10k_err(ar, "failed to power up hif (testmode): %d\n", ret);
266 ar->state = ATH10K_STATE_OFF;
267 goto err_release_utf_mode_fw;
270 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_UTF,
271 &ar->testmode.utf_mode_fw);
273 ath10k_err(ar, "failed to start core (testmode): %d\n", ret);
274 ar->state = ATH10K_STATE_OFF;
278 ar->state = ATH10K_STATE_UTF;
280 if (strlen(ar->testmode.utf_mode_fw.fw_file.fw_version) > 0)
281 ver = ar->testmode.utf_mode_fw.fw_file.fw_version;
285 ath10k_info(ar, "UTF firmware %s started\n", ver);
287 mutex_unlock(&ar->conf_mutex);
292 ath10k_hif_power_down(ar);
294 err_release_utf_mode_fw:
295 if (ar->testmode.utf_mode_fw.fw_file.codeswap_data &&
296 ar->testmode.utf_mode_fw.fw_file.codeswap_len)
297 ath10k_swap_code_seg_release(ar,
298 &ar->testmode.utf_mode_fw.fw_file);
300 release_firmware(ar->testmode.utf_mode_fw.fw_file.firmware);
301 ar->testmode.utf_mode_fw.fw_file.firmware = NULL;
304 mutex_unlock(&ar->conf_mutex);
309 static void __ath10k_tm_cmd_utf_stop(struct ath10k *ar)
311 lockdep_assert_held(&ar->conf_mutex);
313 ath10k_core_stop(ar);
314 ath10k_hif_power_down(ar);
316 spin_lock_bh(&ar->data_lock);
318 ar->testmode.utf_monitor = false;
320 spin_unlock_bh(&ar->data_lock);
322 if (ar->testmode.utf_mode_fw.fw_file.codeswap_data &&
323 ar->testmode.utf_mode_fw.fw_file.codeswap_len)
324 ath10k_swap_code_seg_release(ar,
325 &ar->testmode.utf_mode_fw.fw_file);
327 release_firmware(ar->testmode.utf_mode_fw.fw_file.firmware);
328 ar->testmode.utf_mode_fw.fw_file.firmware = NULL;
330 ar->state = ATH10K_STATE_OFF;
333 static int ath10k_tm_cmd_utf_stop(struct ath10k *ar, struct nlattr *tb[])
337 ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode cmd utf stop\n");
339 mutex_lock(&ar->conf_mutex);
341 if (ar->state != ATH10K_STATE_UTF) {
346 __ath10k_tm_cmd_utf_stop(ar);
350 ath10k_info(ar, "UTF firmware stopped\n");
353 mutex_unlock(&ar->conf_mutex);
357 static int ath10k_tm_cmd_wmi(struct ath10k *ar, struct nlattr *tb[])
364 mutex_lock(&ar->conf_mutex);
366 if (ar->state != ATH10K_STATE_UTF) {
371 if (!tb[ATH10K_TM_ATTR_DATA]) {
376 if (!tb[ATH10K_TM_ATTR_WMI_CMDID]) {
381 buf = nla_data(tb[ATH10K_TM_ATTR_DATA]);
382 buf_len = nla_len(tb[ATH10K_TM_ATTR_DATA]);
383 cmd_id = nla_get_u32(tb[ATH10K_TM_ATTR_WMI_CMDID]);
385 ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
386 "testmode cmd wmi cmd_id %d buf %pK buf_len %d\n",
387 cmd_id, buf, buf_len);
389 ath10k_dbg_dump(ar, ATH10K_DBG_TESTMODE, NULL, "", buf, buf_len);
391 skb = ath10k_wmi_alloc_skb(ar, buf_len);
397 memcpy(skb->data, buf, buf_len);
399 ret = ath10k_wmi_cmd_send(ar, skb, cmd_id);
401 ath10k_warn(ar, "failed to transmit wmi command (testmode): %d\n",
409 mutex_unlock(&ar->conf_mutex);
413 int ath10k_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
416 struct ath10k *ar = hw->priv;
417 struct nlattr *tb[ATH10K_TM_ATTR_MAX + 1];
420 ret = nla_parse(tb, ATH10K_TM_ATTR_MAX, data, len,
425 if (!tb[ATH10K_TM_ATTR_CMD])
428 switch (nla_get_u32(tb[ATH10K_TM_ATTR_CMD])) {
429 case ATH10K_TM_CMD_GET_VERSION:
430 return ath10k_tm_cmd_get_version(ar, tb);
431 case ATH10K_TM_CMD_UTF_START:
432 return ath10k_tm_cmd_utf_start(ar, tb);
433 case ATH10K_TM_CMD_UTF_STOP:
434 return ath10k_tm_cmd_utf_stop(ar, tb);
435 case ATH10K_TM_CMD_WMI:
436 return ath10k_tm_cmd_wmi(ar, tb);
442 void ath10k_testmode_destroy(struct ath10k *ar)
444 mutex_lock(&ar->conf_mutex);
446 if (ar->state != ATH10K_STATE_UTF) {
447 /* utf firmware is not running, nothing to do */
451 __ath10k_tm_cmd_utf_stop(ar);
454 mutex_unlock(&ar->conf_mutex);