wl1271: add testmode support
authorKalle Valo <kalle.valo@nokia.com>
Thu, 18 Feb 2010 11:25:53 +0000 (13:25 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 19 Feb 2010 20:52:47 +0000 (15:52 -0500)
Testmode will be used to send PLT (Production Line Testing) commands
from user space.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/wl12xx/Makefile
drivers/net/wireless/wl12xx/wl1271.h
drivers/net/wireless/wl12xx/wl1271_main.c
drivers/net/wireless/wl12xx/wl1271_testmode.c [new file with mode: 0644]
drivers/net/wireless/wl12xx/wl1271_testmode.h [new file with mode: 0644]

index 62e37ad01cc0e59fa9837b1d224e96b0cac842cc..d089b5d6a5139ae0f74c3e9f0bc65cad58f51338 100644 (file)
@@ -11,4 +11,5 @@ wl1271-objs           = wl1271_main.o  wl1271_spi.o wl1271_cmd.o  \
                          wl1271_event.o wl1271_tx.o  wl1271_rx.o   \
                          wl1271_ps.o    wl1271_acx.o wl1271_boot.o \
                          wl1271_init.o  wl1271_debugfs.o
+wl1271-$(CONFIG_NL80211_TESTMODE)      += wl1271_testmode.o
 obj-$(CONFIG_WL1271)   += wl1271.o
index b3a3402593dd7958e083e8c5763abd8794dcd2eb..97ea5096bc8c96dfa974d2754e247051357edd00 100644 (file)
@@ -43,7 +43,7 @@ enum {
        DEBUG_SPI       = BIT(1),
        DEBUG_BOOT      = BIT(2),
        DEBUG_MAILBOX   = BIT(3),
-       DEBUG_NETLINK   = BIT(4),
+       DEBUG_TESTMODE  = BIT(4),
        DEBUG_EVENT     = BIT(5),
        DEBUG_TX        = BIT(6),
        DEBUG_RX        = BIT(7),
index fb1e6a8088d8cb298d477066cc5d7fe266ffc071..aa8f79c4c98abc14bb3d9d589c565c4a228b1e64 100644 (file)
@@ -46,6 +46,7 @@
 #include "wl1271_debugfs.h"
 #include "wl1271_cmd.h"
 #include "wl1271_boot.h"
+#include "wl1271_testmode.h"
 
 #define WL1271_BOOT_RETRIES 3
 
@@ -1955,6 +1956,7 @@ static const struct ieee80211_ops wl1271_ops = {
        .bss_info_changed = wl1271_op_bss_info_changed,
        .set_rts_threshold = wl1271_op_set_rts_threshold,
        .conf_tx = wl1271_op_conf_tx,
+       CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
 };
 
 static int wl1271_register_hw(struct wl1271 *wl)
diff --git a/drivers/net/wireless/wl12xx/wl1271_testmode.c b/drivers/net/wireless/wl12xx/wl1271_testmode.c
new file mode 100644 (file)
index 0000000..3919102
--- /dev/null
@@ -0,0 +1,283 @@
+/*
+ * 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 "wl1271_testmode.h"
+
+#include <net/genetlink.h>
+
+#include "wl1271.h"
+#include "wl1271_spi.h"
+#include "wl1271_acx.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,
+       WL1271_TM_CMD_SET_PLT_MODE,
+
+       __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);
+       ret = wl1271_cmd_test(wl, buf, buf_len, answer);
+       mutex_unlock(&wl->mutex);
+
+       if (ret < 0) {
+               wl1271_warning("testmode cmd test failed: %d", ret);
+               return ret;
+       }
+
+       if (answer) {
+               len = nla_total_size(buf_len);
+               skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
+               if (!skb)
+                       return -ENOMEM;
+
+               NLA_PUT(skb, WL1271_TM_ATTR_DATA, buf_len, buf);
+               ret = cfg80211_testmode_reply(skb);
+               if (ret < 0)
+                       return ret;
+       }
+
+       return 0;
+
+nla_put_failure:
+       kfree_skb(skb);
+       return -EMSGSIZE;
+}
+
+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]);
+
+       cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+       if (!cmd)
+               return -ENOMEM;
+
+       mutex_lock(&wl->mutex);
+       ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
+       mutex_unlock(&wl->mutex);
+
+       if (ret < 0) {
+               wl1271_warning("testmode cmd interrogate failed: %d", ret);
+               return ret;
+       }
+
+       skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
+       if (!skb)
+               return -ENOMEM;
+
+       NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);
+
+       return 0;
+
+nla_put_failure:
+       kfree_skb(skb);
+       return -EMSGSIZE;
+}
+
+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_cmd_nvs_push(struct wl1271 *wl, struct nlattr *tb[])
+{
+       int ret = 0;
+       size_t len;
+       void *buf;
+
+       wl1271_debug(DEBUG_TESTMODE, "testmode cmd nvs push");
+
+       if (!tb[WL1271_TM_ATTR_DATA])
+               return -EINVAL;
+
+       buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
+       len = nla_len(tb[WL1271_TM_ATTR_DATA]);
+
+       if (len != sizeof(struct wl1271_nvs_file)) {
+               wl1271_error("nvs size is not as expected: %zu != %zu",
+                            len, sizeof(struct wl1271_nvs_file));
+               return -EMSGSIZE;
+       }
+
+       mutex_lock(&wl->mutex);
+
+       kfree(wl->nvs);
+
+       wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
+       if (!wl->nvs) {
+               wl1271_error("could not allocate memory for the nvs file");
+               ret = -ENOMEM;
+               goto out;
+       }
+
+       memcpy(wl->nvs, buf, len);
+
+       wl1271_debug(DEBUG_TESTMODE, "testmode pushed nvs");
+
+out:
+       mutex_unlock(&wl->mutex);
+
+       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 0:
+               ret = wl1271_plt_stop(wl);
+               break;
+       case 1:
+               ret = wl1271_plt_start(wl);
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
+{
+       struct wl1271 *wl = hw->priv;
+       struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
+       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;
+
+       switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) {
+       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_NVS_PUSH:
+               return wl1271_tm_cmd_nvs_push(wl, tb);
+       case WL1271_TM_CMD_SET_PLT_MODE:
+               return wl1271_tm_cmd_set_plt_mode(wl, tb);
+       default:
+               return -EOPNOTSUPP;
+       }
+}
diff --git a/drivers/net/wireless/wl12xx/wl1271_testmode.h b/drivers/net/wireless/wl12xx/wl1271_testmode.h
new file mode 100644 (file)
index 0000000..c196d28
--- /dev/null
@@ -0,0 +1,31 @@
+/*
+ * 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
+ *
+ */
+
+#ifndef __WL1271_TESTMODE_H__
+#define __WL1271_TESTMODE_H__
+
+#include <net/mac80211.h>
+
+int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len);
+
+#endif /* __WL1271_TESTMODE_H__ */