wl1271: add testmode support (c8c90873) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/net/wireless/wl12xx/Makefile

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		@@ -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

drivers/net/wireless/wl12xx/wl1271.h

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		@@ -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),

drivers/net/wireless/wl12xx/wl1271_main.c

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		@@ -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)

drivers/net/wireless/wl12xx/wl1271_testmode.c

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		/*
		* 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;
		}
		}

drivers/net/wireless/wl12xx/wl1271_testmode.h

0 → 100644

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		/*
		* 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__ */