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path: root/drivers/net/wireless/ti/wlcore/testmode.c
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore/testmode.c')
-rw-r--r--drivers/net/wireless/ti/wlcore/testmode.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wlcore/testmode.c b/drivers/net/wireless/ti/wlcore/testmode.c
new file mode 100644
index 0000000..3a17b9a
--- /dev/null
+++ b/drivers/net/wireless/ti/wlcore/testmode.c
@@ -0,0 +1,390 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ */
+#include "testmode.h"
+
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <net/genetlink.h>
+
+#include "wlcore.h"
+#include "debug.h"
+#include "acx.h"
+#include "io.h"
+
+#define WL1271_TM_MAX_DATA_LENGTH 1024
+
+enum wl1271_tm_commands {
+ WL1271_TM_CMD_UNSPEC,
+ WL1271_TM_CMD_TEST,
+ WL1271_TM_CMD_INTERROGATE,
+ WL1271_TM_CMD_CONFIGURE,
+ WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */
+ WL1271_TM_CMD_SET_PLT_MODE,
+ WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */
+ WL1271_TM_CMD_GET_MAC,
+
+ __WL1271_TM_CMD_AFTER_LAST
+};
+#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)
+
+enum wl1271_tm_attrs {
+ WL1271_TM_ATTR_UNSPEC,
+ WL1271_TM_ATTR_CMD_ID,
+ WL1271_TM_ATTR_ANSWER,
+ WL1271_TM_ATTR_DATA,
+ WL1271_TM_ATTR_IE_ID,
+ WL1271_TM_ATTR_PLT_MODE,
+
+ __WL1271_TM_ATTR_AFTER_LAST
+};
+#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)
+
+static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
+ [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 },
+ [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 },
+ [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY,
+ .len = WL1271_TM_MAX_DATA_LENGTH },
+ [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 },
+ [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 },
+};
+
+
+static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
+{
+ int buf_len, ret, len;
+ struct sk_buff *skb;
+ void *buf;
+ u8 answer = 0;
+
+ wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");
+
+ if (!tb[WL1271_TM_ATTR_DATA])
+ return -EINVAL;
+
+ buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
+ buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
+
+ if (tb[WL1271_TM_ATTR_ANSWER])
+ answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);
+
+ if (buf_len > sizeof(struct wl1271_command))
+ return -EMSGSIZE;
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state != WLCORE_STATE_ON)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = pm_runtime_get_sync(wl->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(wl->dev);
+ goto out;
+ }
+
+ ret = wl1271_cmd_test(wl, buf, buf_len, answer);
+ if (ret < 0) {
+ wl1271_warning("testmode cmd test failed: %d", ret);
+ goto out_sleep;
+ }
+
+ if (answer) {
+ /* If we got bip calibration answer print radio status */
+ struct wl1271_cmd_cal_p2g *params =
+ (struct wl1271_cmd_cal_p2g *) buf;
+
+ s16 radio_status = (s16) le16_to_cpu(params->radio_status);
+
+ if (params->test.id == TEST_CMD_P2G_CAL &&
+ radio_status < 0)
+ wl1271_warning("testmode cmd: radio status=%d",
+ radio_status);
+ else
+ wl1271_info("testmode cmd: radio status=%d",
+ radio_status);
+
+ len = nla_total_size(buf_len);
+ skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out_sleep;
+ }
+
+ if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
+ kfree_skb(skb);
+ ret = -EMSGSIZE;
+ goto out_sleep;
+ }
+
+ ret = cfg80211_testmode_reply(skb);
+ if (ret < 0)
+ goto out_sleep;
+ }
+
+out_sleep:
+ pm_runtime_mark_last_busy(wl->dev);
+ pm_runtime_put_autosuspend(wl->dev);
+out:
+ mutex_unlock(&wl->mutex);
+
+ return ret;
+}
+
+static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
+{
+ int ret;
+ struct wl1271_command *cmd;
+ struct sk_buff *skb;
+ u8 ie_id;
+
+ wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");
+
+ if (!tb[WL1271_TM_ATTR_IE_ID])
+ return -EINVAL;
+
+ ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state != WLCORE_STATE_ON)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = pm_runtime_get_sync(wl->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(wl->dev);
+ goto out;
+ }
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out_sleep;
+ }
+
+ ret = wl1271_cmd_interrogate(wl, ie_id, cmd,
+ sizeof(struct acx_header), sizeof(*cmd));
+ if (ret < 0) {
+ wl1271_warning("testmode cmd interrogate failed: %d", ret);
+ goto out_free;
+ }
+
+ skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
+ if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) {
+ kfree_skb(skb);
+ ret = -EMSGSIZE;
+ goto out_free;
+ }
+
+ ret = cfg80211_testmode_reply(skb);
+ if (ret < 0)
+ goto out_free;
+
+out_free:
+ kfree(cmd);
+out_sleep:
+ pm_runtime_mark_last_busy(wl->dev);
+ pm_runtime_put_autosuspend(wl->dev);
+out:
+ mutex_unlock(&wl->mutex);
+
+ return ret;
+}
+
+static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[])
+{
+ int buf_len, ret;
+ void *buf;
+ u8 ie_id;
+
+ wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");
+
+ if (!tb[WL1271_TM_ATTR_DATA])
+ return -EINVAL;
+ if (!tb[WL1271_TM_ATTR_IE_ID])
+ return -EINVAL;
+
+ ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
+ buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
+ buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
+
+ if (buf_len > sizeof(struct wl1271_command))
+ return -EMSGSIZE;
+
+ mutex_lock(&wl->mutex);
+ ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
+ mutex_unlock(&wl->mutex);
+
+ if (ret < 0) {
+ wl1271_warning("testmode cmd configure failed: %d", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[])
+{
+ /* return FEM type */
+ int ret, len;
+ struct sk_buff *skb;
+
+ ret = wl1271_plt_start(wl, PLT_FEM_DETECT);
+ if (ret < 0)
+ goto out;
+
+ mutex_lock(&wl->mutex);
+
+ len = nla_total_size(sizeof(wl->fem_manuf));
+ skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out_mutex;
+ }
+
+ if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf),
+ &wl->fem_manuf)) {
+ kfree_skb(skb);
+ ret = -EMSGSIZE;
+ goto out_mutex;
+ }
+
+ ret = cfg80211_testmode_reply(skb);
+
+out_mutex:
+ mutex_unlock(&wl->mutex);
+
+ /* We always stop plt after DETECT mode */
+ wl1271_plt_stop(wl);
+out:
+ return ret;
+}
+
+static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
+{
+ u32 val;
+ int ret;
+
+ wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");
+
+ if (!tb[WL1271_TM_ATTR_PLT_MODE])
+ return -EINVAL;
+
+ val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);
+
+ switch (val) {
+ case PLT_OFF:
+ ret = wl1271_plt_stop(wl);
+ break;
+ case PLT_ON:
+ case PLT_CHIP_AWAKE:
+ ret = wl1271_plt_start(wl, val);
+ break;
+ case PLT_FEM_DETECT:
+ ret = wl1271_tm_detect_fem(wl, tb);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[])
+{
+ struct sk_buff *skb;
+ u8 mac_addr[ETH_ALEN];
+ int ret = 0;
+
+ mutex_lock(&wl->mutex);
+
+ if (!wl->plt) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+ mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
+ mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
+ mac_addr[2] = (u8) wl->fuse_oui_addr;
+ mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
+ mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
+ mac_addr[5] = (u8) wl->fuse_nic_addr;
+
+ skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) {
+ kfree_skb(skb);
+ ret = -EMSGSIZE;
+ goto out;
+ }
+
+ ret = cfg80211_testmode_reply(skb);
+ if (ret < 0)
+ goto out;
+
+out:
+ mutex_unlock(&wl->mutex);
+ return ret;
+}
+
+int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ void *data, int len)
+{
+ struct wl1271 *wl = hw->priv;
+ struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
+ u32 nla_cmd;
+ int err;
+
+ err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len,
+ wl1271_tm_policy, NULL);
+ if (err)
+ return err;
+
+ if (!tb[WL1271_TM_ATTR_CMD_ID])
+ return -EINVAL;
+
+ nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]);
+
+ /* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */
+ if (wl->plt_mode == PLT_CHIP_AWAKE &&
+ nla_cmd != WL1271_TM_CMD_SET_PLT_MODE)
+ return -EOPNOTSUPP;
+
+ switch (nla_cmd) {
+ case WL1271_TM_CMD_TEST:
+ return wl1271_tm_cmd_test(wl, tb);
+ case WL1271_TM_CMD_INTERROGATE:
+ return wl1271_tm_cmd_interrogate(wl, tb);
+ case WL1271_TM_CMD_CONFIGURE:
+ return wl1271_tm_cmd_configure(wl, tb);
+ case WL1271_TM_CMD_SET_PLT_MODE:
+ return wl1271_tm_cmd_set_plt_mode(wl, tb);
+ case WL1271_TM_CMD_GET_MAC:
+ return wl12xx_tm_cmd_get_mac(wl, tb);
+ default:
+ return -EOPNOTSUPP;
+ }
+}