[PATCH v2] ath10k: add FW API support to test mode
Kalle Valo
kvalo at qca.qualcomm.com
Tue Oct 20 04:25:13 PDT 2015
From: Alan Liu <alanliu at qca.qualcomm.com>
Add WMI-TLV and FW API support in ath10k testmode.
Ath10k can get right wmi command format from UTF image
to communicate UTF firmware.
Signed-off-by: Alan Liu <alanliu at qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo at qca.qualcomm.com>
---
drivers/net/wireless/ath/ath10k/core.c | 4 -
drivers/net/wireless/ath/ath10k/core.h | 5 +
drivers/net/wireless/ath/ath10k/hw.h | 1
drivers/net/wireless/ath/ath10k/testmode.c | 202 ++++++++++++++++++++++++++--
drivers/net/wireless/ath/ath10k/wmi-tlv.c | 14 ++
5 files changed, 205 insertions(+), 21 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 13de3617d5ab..b7a82ae3b3fa 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -568,8 +568,8 @@ static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
}
break;
case ATH10K_FIRMWARE_MODE_UTF:
- data = ar->testmode.utf->data;
- data_len = ar->testmode.utf->size;
+ data = ar->testmode.utf_firmware_data;
+ data_len = ar->testmode.utf_firmware_len;
mode_name = "utf";
break;
default:
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 7cc7cdd56c95..a6371108be9b 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -814,9 +814,12 @@ struct ath10k {
struct {
/* protected by conf_mutex */
const struct firmware *utf;
+ char utf_version[32];
+ const void *utf_firmware_data;
+ size_t utf_firmware_len;
DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT);
enum ath10k_fw_wmi_op_version orig_wmi_op_version;
-
+ enum ath10k_fw_wmi_op_version op_version;
/* protected by data_lock */
bool utf_monitor;
} testmode;
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 2d87737e35ff..0c8ea0226684 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -94,6 +94,7 @@ enum qca6174_chip_id_rev {
#define ATH10K_FW_API5_FILE "firmware-5.bin"
#define ATH10K_FW_UTF_FILE "utf.bin"
+#define ATH10K_FW_UTF_API2_FILE "utf-2.bin"
/* includes also the null byte */
#define ATH10K_FIRMWARE_MAGIC "QCA-ATH10K"
diff --git a/drivers/net/wireless/ath/ath10k/testmode.c b/drivers/net/wireless/ath/ath10k/testmode.c
index b084f88da102..1d5a2fdcbf56 100644
--- a/drivers/net/wireless/ath/ath10k/testmode.c
+++ b/drivers/net/wireless/ath/ath10k/testmode.c
@@ -139,11 +139,181 @@ static int ath10k_tm_cmd_get_version(struct ath10k *ar, struct nlattr *tb[])
return cfg80211_testmode_reply(skb);
}
-static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[])
+static int ath10k_tm_fetch_utf_firmware_api_2(struct ath10k *ar)
+{
+ size_t len, magic_len, ie_len;
+ struct ath10k_fw_ie *hdr;
+ char filename[100];
+ __le32 *version;
+ const u8 *data;
+ int ie_id, ret;
+
+ snprintf(filename, sizeof(filename), "%s/%s",
+ ar->hw_params.fw.dir, ATH10K_FW_UTF_API2_FILE);
+
+ /* load utf firmware image */
+ ret = request_firmware(&ar->testmode.utf, filename, ar->dev);
+ if (ret) {
+ ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n",
+ filename, ret);
+ return ret;
+ }
+
+ data = ar->testmode.utf->data;
+ len = ar->testmode.utf->size;
+
+ /* FIXME: call release_firmware() in error cases */
+
+ /* magic also includes the null byte, check that as well */
+ magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
+
+ if (len < magic_len) {
+ ath10k_err(ar, "utf firmware file is too small to contain magic\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
+ ath10k_err(ar, "invalid firmware magic\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* jump over the padding */
+ magic_len = ALIGN(magic_len, 4);
+
+ len -= magic_len;
+ data += magic_len;
+
+ /* loop elements */
+ while (len > sizeof(struct ath10k_fw_ie)) {
+ hdr = (struct ath10k_fw_ie *)data;
+
+ ie_id = le32_to_cpu(hdr->id);
+ ie_len = le32_to_cpu(hdr->len);
+
+ len -= sizeof(*hdr);
+ data += sizeof(*hdr);
+
+ if (len < ie_len) {
+ ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
+ ie_id, len, ie_len);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ switch (ie_id) {
+ case ATH10K_FW_IE_FW_VERSION:
+ if (ie_len > sizeof(ar->testmode.utf_version) - 1)
+ break;
+
+ memcpy(ar->testmode.utf_version, data, ie_len);
+ ar->testmode.utf_version[ie_len] = '\0';
+
+ ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
+ "testmode found fw utf version %s\n",
+ ar->testmode.utf_version);
+ break;
+ case ATH10K_FW_IE_TIMESTAMP:
+ /* ignore timestamp, but don't warn about it either */
+ break;
+ case ATH10K_FW_IE_FW_IMAGE:
+ ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
+ "testmode found fw image ie (%zd B)\n",
+ ie_len);
+
+ ar->testmode.utf_firmware_data = data;
+ ar->testmode.utf_firmware_len = ie_len;
+ break;
+ case ATH10K_FW_IE_WMI_OP_VERSION:
+ if (ie_len != sizeof(u32))
+ break;
+ version = (__le32 *)data;
+ ar->testmode.op_version = le32_to_cpup(version);
+ ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode found fw ie wmi op version %d\n",
+ ar->testmode.op_version);
+ break;
+ default:
+ ath10k_warn(ar, "Unknown testmode FW IE: %u\n",
+ le32_to_cpu(hdr->id));
+ break;
+ }
+ /* jump over the padding */
+ ie_len = ALIGN(ie_len, 4);
+
+ len -= ie_len;
+ data += ie_len;
+ }
+
+ if (!ar->testmode.utf_firmware_data || !ar->testmode.utf_firmware_len) {
+ ath10k_err(ar, "No ATH10K_FW_IE_FW_IMAGE found\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ return 0;
+
+err:
+ release_firmware(ar->testmode.utf);
+
+ return ret;
+}
+
+static int ath10k_tm_fetch_utf_firmware_api_1(struct ath10k *ar)
{
char filename[100];
int ret;
+ snprintf(filename, sizeof(filename), "%s/%s",
+ ar->hw_params.fw.dir, ATH10K_FW_UTF_FILE);
+
+ /* load utf firmware image */
+ ret = request_firmware(&ar->testmode.utf, filename, ar->dev);
+ if (ret) {
+ ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n",
+ filename, ret);
+ return ret;
+ }
+
+ /* We didn't find FW UTF API 1 ("utf.bin") does not advertise
+ * firmware features. Do an ugly hack where we force the firmware
+ * features to match with 10.1 branch so that wmi.c will use the
+ * correct WMI interface.
+ */
+
+ ar->testmode.op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
+ ar->testmode.utf_firmware_data = ar->testmode.utf->data;
+ ar->testmode.utf_firmware_len = ar->testmode.utf->size;
+
+ return 0;
+}
+
+static int ath10k_tm_fetch_firmware(struct ath10k *ar)
+{
+ int ret;
+
+ ret = ath10k_tm_fetch_utf_firmware_api_2(ar);
+ if (ret == 0) {
+ ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using fw utf api 2");
+ return 0;
+ }
+
+ ret = ath10k_tm_fetch_utf_firmware_api_1(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to fetch utf firmware binary: %d", ret);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using utf api 1");
+
+ return 0;
+}
+
+static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[])
+{
+ const char *ver;
+ int ret;
+
ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode cmd utf start\n");
mutex_lock(&ar->conf_mutex);
@@ -165,36 +335,27 @@ static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[])
goto err;
}
- snprintf(filename, sizeof(filename), "%s/%s",
- ar->hw_params.fw.dir, ATH10K_FW_UTF_FILE);
-
- /* load utf firmware image */
- ret = request_firmware(&ar->testmode.utf, filename, ar->dev);
+ ret = ath10k_tm_fetch_firmware(ar);
if (ret) {
- ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n",
- filename, ret);
+ ath10k_err(ar, "failed to fetch UTF firmware: %d", ret);
goto err;
}
spin_lock_bh(&ar->data_lock);
-
ar->testmode.utf_monitor = true;
-
spin_unlock_bh(&ar->data_lock);
-
BUILD_BUG_ON(sizeof(ar->fw_features) !=
sizeof(ar->testmode.orig_fw_features));
memcpy(ar->testmode.orig_fw_features, ar->fw_features,
sizeof(ar->fw_features));
ar->testmode.orig_wmi_op_version = ar->wmi.op_version;
-
- /* utf.bin firmware image does not advertise firmware features. Do
- * an ugly hack where we force the firmware features so that wmi.c
- * will use the correct WMI interface.
- */
memset(ar->fw_features, 0, sizeof(ar->fw_features));
- ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
+
+ ar->wmi.op_version = ar->testmode.op_version;
+
+ ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode wmi version %d\n",
+ ar->wmi.op_version);
ret = ath10k_hif_power_up(ar);
if (ret) {
@@ -212,7 +373,12 @@ static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[])
ar->state = ATH10K_STATE_UTF;
- ath10k_info(ar, "UTF firmware started\n");
+ if (strlen(ar->testmode.utf_version) > 0)
+ ver = ar->testmode.utf_version;
+ else
+ ver = "API 1";
+
+ ath10k_info(ar, "UTF firmware %s started\n", ver);
mutex_unlock(&ar->conf_mutex);
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 8f835480a62c..6fbd17b69469 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -23,6 +23,7 @@
#include "wmi-ops.h"
#include "wmi-tlv.h"
#include "p2p.h"
+#include "testmode.h"
/***************/
/* TLV helpers */
@@ -419,6 +420,7 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
{
struct wmi_cmd_hdr *cmd_hdr;
enum wmi_tlv_event_id id;
+ bool consumed;
cmd_hdr = (struct wmi_cmd_hdr *)skb->data;
id = MS(__le32_to_cpu(cmd_hdr->cmd_id), WMI_CMD_HDR_CMD_ID);
@@ -428,6 +430,18 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
trace_ath10k_wmi_event(ar, id, skb->data, skb->len);
+ consumed = ath10k_tm_event_wmi(ar, id, skb);
+
+ /* Ready event must be handled normally also in UTF mode so that we
+ * know the UTF firmware has booted, others we are just bypass WMI
+ * events to testmode.
+ */
+ if (consumed && id != WMI_TLV_READY_EVENTID) {
+ ath10k_dbg(ar, ATH10K_DBG_WMI,
+ "wmi tlv testmode consumed 0x%x\n", id);
+ goto out;
+ }
+
switch (id) {
case WMI_TLV_MGMT_RX_EVENTID:
ath10k_wmi_event_mgmt_rx(ar, skb);
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