387 lines
8.1 KiB
C
387 lines
8.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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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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#include "testmode.h"
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#include <linux/pm_runtime.h>
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#include <linux/slab.h>
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#include <net/genetlink.h>
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#include "wlcore.h"
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#include "debug.h"
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#include "acx.h"
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#include "io.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, /* Not in use. Keep to not break ABI */
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WL1271_TM_CMD_SET_PLT_MODE,
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WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */
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WL1271_TM_CMD_GET_MAC,
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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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if (unlikely(wl->state != WLCORE_STATE_ON)) {
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ret = -EINVAL;
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goto out;
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}
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ret = pm_runtime_resume_and_get(wl->dev);
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if (ret < 0)
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goto out;
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ret = wl1271_cmd_test(wl, buf, buf_len, answer);
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if (ret < 0) {
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wl1271_warning("testmode cmd test failed: %d", ret);
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goto out_sleep;
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}
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if (answer) {
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/* If we got bip calibration answer print radio status */
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struct wl1271_cmd_cal_p2g *params =
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(struct wl1271_cmd_cal_p2g *) buf;
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s16 radio_status = (s16) le16_to_cpu(params->radio_status);
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if (params->test.id == TEST_CMD_P2G_CAL &&
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radio_status < 0)
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wl1271_warning("testmode cmd: radio status=%d",
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radio_status);
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else
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wl1271_info("testmode cmd: radio status=%d",
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radio_status);
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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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ret = -ENOMEM;
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goto out_sleep;
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}
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if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
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kfree_skb(skb);
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ret = -EMSGSIZE;
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goto out_sleep;
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}
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ret = cfg80211_testmode_reply(skb);
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if (ret < 0)
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goto out_sleep;
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}
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out_sleep:
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pm_runtime_mark_last_busy(wl->dev);
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pm_runtime_put_autosuspend(wl->dev);
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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_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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mutex_lock(&wl->mutex);
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if (unlikely(wl->state != WLCORE_STATE_ON)) {
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ret = -EINVAL;
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goto out;
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}
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ret = pm_runtime_resume_and_get(wl->dev);
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if (ret < 0)
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goto out;
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out_sleep;
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}
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ret = wl1271_cmd_interrogate(wl, ie_id, cmd,
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sizeof(struct acx_header), sizeof(*cmd));
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if (ret < 0) {
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wl1271_warning("testmode cmd interrogate failed: %d", ret);
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goto out_free;
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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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ret = -ENOMEM;
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goto out_free;
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}
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if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) {
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kfree_skb(skb);
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ret = -EMSGSIZE;
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goto out_free;
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}
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ret = cfg80211_testmode_reply(skb);
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if (ret < 0)
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goto out_free;
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out_free:
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kfree(cmd);
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out_sleep:
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pm_runtime_mark_last_busy(wl->dev);
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pm_runtime_put_autosuspend(wl->dev);
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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_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_detect_fem(struct wl1271 *wl, struct nlattr *tb[])
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{
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/* return FEM type */
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int ret, len;
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struct sk_buff *skb;
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ret = wl1271_plt_start(wl, PLT_FEM_DETECT);
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if (ret < 0)
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goto out;
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mutex_lock(&wl->mutex);
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len = nla_total_size(sizeof(wl->fem_manuf));
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skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
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if (!skb) {
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ret = -ENOMEM;
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goto out_mutex;
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}
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if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf),
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&wl->fem_manuf)) {
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kfree_skb(skb);
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ret = -EMSGSIZE;
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goto out_mutex;
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}
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ret = cfg80211_testmode_reply(skb);
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out_mutex:
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mutex_unlock(&wl->mutex);
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/* We always stop plt after DETECT mode */
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wl1271_plt_stop(wl);
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out:
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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 PLT_OFF:
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ret = wl1271_plt_stop(wl);
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break;
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case PLT_ON:
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case PLT_CHIP_AWAKE:
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ret = wl1271_plt_start(wl, val);
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break;
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case PLT_FEM_DETECT:
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ret = wl1271_tm_detect_fem(wl, tb);
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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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static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[])
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{
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struct sk_buff *skb;
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u8 mac_addr[ETH_ALEN];
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int ret = 0;
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mutex_lock(&wl->mutex);
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if (!wl->plt) {
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ret = -EINVAL;
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goto out;
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}
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if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
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ret = -EOPNOTSUPP;
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goto out;
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}
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mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
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mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
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mac_addr[2] = (u8) wl->fuse_oui_addr;
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mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
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mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
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mac_addr[5] = (u8) wl->fuse_nic_addr;
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skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
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if (!skb) {
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ret = -ENOMEM;
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goto out;
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}
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if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) {
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kfree_skb(skb);
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ret = -EMSGSIZE;
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goto out;
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}
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ret = cfg80211_testmode_reply(skb);
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if (ret < 0)
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goto out;
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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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int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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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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u32 nla_cmd;
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int err;
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err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len,
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wl1271_tm_policy, NULL);
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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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nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]);
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/* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */
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if (wl->plt_mode == PLT_CHIP_AWAKE &&
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nla_cmd != WL1271_TM_CMD_SET_PLT_MODE)
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return -EOPNOTSUPP;
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switch (nla_cmd) {
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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_SET_PLT_MODE:
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return wl1271_tm_cmd_set_plt_mode(wl, tb);
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case WL1271_TM_CMD_GET_MAC:
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return wl12xx_tm_cmd_get_mac(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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