Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / ti / wlcore / testmode.c
diff --git a/kernel/drivers/net/wireless/ti/wlcore/testmode.c b/kernel/drivers/net/wireless/ti/wlcore/testmode.c
new file mode 100644 (file)
index 0000000..ddad58f
--- /dev/null
@@ -0,0 +1,397 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+#include "testmode.h"
+
+#include <linux/slab.h>
+#include <net/genetlink.h>
+
+#include "wlcore.h"
+#include "debug.h"
+#include "acx.h"
+#include "ps.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 = wl1271_ps_elp_wakeup(wl);
+       if (ret < 0)
+               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:
+       wl1271_ps_elp_sleep(wl);
+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 = wl1271_ps_elp_wakeup(wl);
+       if (ret < 0)
+               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:
+       wl1271_ps_elp_sleep(wl);
+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(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy);
+       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;
+       }
+}