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390 lines
8.1 KiB
390 lines
8.1 KiB
// 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 <[email protected]> |
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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_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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goto out; |
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} |
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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_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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goto out; |
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} |
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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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