283 lines
6.2 KiB
C
283 lines
6.2 KiB
C
/*
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* This file is part of wl1271
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*
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* Copyright (C) 2010 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include "wl1271_testmode.h"
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#include <net/genetlink.h>
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#include "wl1271.h"
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#include "wl1271_acx.h"
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#define WL1271_TM_MAX_DATA_LENGTH 1024
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enum wl1271_tm_commands {
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WL1271_TM_CMD_UNSPEC,
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WL1271_TM_CMD_TEST,
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WL1271_TM_CMD_INTERROGATE,
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WL1271_TM_CMD_CONFIGURE,
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WL1271_TM_CMD_NVS_PUSH,
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WL1271_TM_CMD_SET_PLT_MODE,
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__WL1271_TM_CMD_AFTER_LAST
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};
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#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)
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enum wl1271_tm_attrs {
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WL1271_TM_ATTR_UNSPEC,
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WL1271_TM_ATTR_CMD_ID,
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WL1271_TM_ATTR_ANSWER,
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WL1271_TM_ATTR_DATA,
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WL1271_TM_ATTR_IE_ID,
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WL1271_TM_ATTR_PLT_MODE,
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__WL1271_TM_ATTR_AFTER_LAST
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};
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#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)
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static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
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[WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 },
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[WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 },
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[WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY,
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.len = WL1271_TM_MAX_DATA_LENGTH },
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[WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 },
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[WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 },
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};
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static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
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{
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int buf_len, ret, len;
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struct sk_buff *skb;
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void *buf;
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u8 answer = 0;
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wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");
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if (!tb[WL1271_TM_ATTR_DATA])
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return -EINVAL;
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buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
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buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
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if (tb[WL1271_TM_ATTR_ANSWER])
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answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);
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if (buf_len > sizeof(struct wl1271_command))
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return -EMSGSIZE;
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mutex_lock(&wl->mutex);
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ret = wl1271_cmd_test(wl, buf, buf_len, answer);
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mutex_unlock(&wl->mutex);
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if (ret < 0) {
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wl1271_warning("testmode cmd test failed: %d", ret);
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return ret;
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}
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if (answer) {
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len = nla_total_size(buf_len);
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skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
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if (!skb)
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return -ENOMEM;
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NLA_PUT(skb, WL1271_TM_ATTR_DATA, buf_len, buf);
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ret = cfg80211_testmode_reply(skb);
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if (ret < 0)
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return ret;
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}
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return 0;
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nla_put_failure:
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kfree_skb(skb);
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return -EMSGSIZE;
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}
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static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
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{
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int ret;
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struct wl1271_command *cmd;
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struct sk_buff *skb;
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u8 ie_id;
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wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");
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if (!tb[WL1271_TM_ATTR_IE_ID])
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return -EINVAL;
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ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd)
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return -ENOMEM;
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mutex_lock(&wl->mutex);
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ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
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mutex_unlock(&wl->mutex);
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if (ret < 0) {
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wl1271_warning("testmode cmd interrogate failed: %d", ret);
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return ret;
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}
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skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
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if (!skb)
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return -ENOMEM;
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NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);
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return 0;
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nla_put_failure:
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kfree_skb(skb);
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return -EMSGSIZE;
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}
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static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[])
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{
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int buf_len, ret;
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void *buf;
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u8 ie_id;
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wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");
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if (!tb[WL1271_TM_ATTR_DATA])
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return -EINVAL;
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if (!tb[WL1271_TM_ATTR_IE_ID])
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return -EINVAL;
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ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
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buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
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buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
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if (buf_len > sizeof(struct wl1271_command))
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return -EMSGSIZE;
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mutex_lock(&wl->mutex);
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ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
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mutex_unlock(&wl->mutex);
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if (ret < 0) {
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wl1271_warning("testmode cmd configure failed: %d", ret);
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return ret;
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}
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return 0;
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}
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static int wl1271_tm_cmd_nvs_push(struct wl1271 *wl, struct nlattr *tb[])
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{
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int ret = 0;
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size_t len;
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void *buf;
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wl1271_debug(DEBUG_TESTMODE, "testmode cmd nvs push");
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if (!tb[WL1271_TM_ATTR_DATA])
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return -EINVAL;
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buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
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len = nla_len(tb[WL1271_TM_ATTR_DATA]);
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if (len != sizeof(struct wl1271_nvs_file)) {
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wl1271_error("nvs size is not as expected: %zu != %zu",
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len, sizeof(struct wl1271_nvs_file));
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return -EMSGSIZE;
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}
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mutex_lock(&wl->mutex);
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kfree(wl->nvs);
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wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
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if (!wl->nvs) {
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wl1271_error("could not allocate memory for the nvs file");
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ret = -ENOMEM;
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goto out;
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}
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memcpy(wl->nvs, buf, len);
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wl1271_debug(DEBUG_TESTMODE, "testmode pushed nvs");
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out:
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mutex_unlock(&wl->mutex);
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return ret;
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}
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static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
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{
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u32 val;
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int ret;
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wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");
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if (!tb[WL1271_TM_ATTR_PLT_MODE])
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return -EINVAL;
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val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);
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switch (val) {
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case 0:
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ret = wl1271_plt_stop(wl);
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break;
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case 1:
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ret = wl1271_plt_start(wl);
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break;
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default:
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
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{
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struct wl1271 *wl = hw->priv;
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struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
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int err;
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err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy);
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if (err)
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return err;
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if (!tb[WL1271_TM_ATTR_CMD_ID])
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return -EINVAL;
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switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) {
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case WL1271_TM_CMD_TEST:
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return wl1271_tm_cmd_test(wl, tb);
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case WL1271_TM_CMD_INTERROGATE:
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return wl1271_tm_cmd_interrogate(wl, tb);
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case WL1271_TM_CMD_CONFIGURE:
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return wl1271_tm_cmd_configure(wl, tb);
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case WL1271_TM_CMD_NVS_PUSH:
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return wl1271_tm_cmd_nvs_push(wl, tb);
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case WL1271_TM_CMD_SET_PLT_MODE:
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return wl1271_tm_cmd_set_plt_mode(wl, tb);
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default:
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return -EOPNOTSUPP;
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}
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}
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