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@@ -1,2687 +0,0 @@
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-/*
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- * Common code for mac80211 Prism54 drivers
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- *
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- * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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- * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
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- * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
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- *
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- * Based on:
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- * - the islsm (softmac prism54) driver, which is:
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- * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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- * - stlc45xx driver
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- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- */
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-
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-#include <linux/init.h>
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-#include <linux/firmware.h>
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-#include <linux/etherdevice.h>
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-
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-#include <net/mac80211.h>
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-#ifdef CONFIG_P54_LEDS
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-#include <linux/leds.h>
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-#endif /* CONFIG_P54_LEDS */
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-
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-#include "p54.h"
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-#include "p54common.h"
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-
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-static int modparam_nohwcrypt;
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-module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
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-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
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-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
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-MODULE_DESCRIPTION("Softmac Prism54 common code");
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-MODULE_LICENSE("GPL");
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-MODULE_ALIAS("prism54common");
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-
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-static struct ieee80211_rate p54_bgrates[] = {
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- { .bitrate = 10, .hw_value = 0, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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- { .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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- { .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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- { .bitrate = 110, .hw_value = 3, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
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- { .bitrate = 60, .hw_value = 4, },
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- { .bitrate = 90, .hw_value = 5, },
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- { .bitrate = 120, .hw_value = 6, },
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- { .bitrate = 180, .hw_value = 7, },
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- { .bitrate = 240, .hw_value = 8, },
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- { .bitrate = 360, .hw_value = 9, },
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- { .bitrate = 480, .hw_value = 10, },
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- { .bitrate = 540, .hw_value = 11, },
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-};
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-
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-static struct ieee80211_channel p54_bgchannels[] = {
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- { .center_freq = 2412, .hw_value = 1, },
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- { .center_freq = 2417, .hw_value = 2, },
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- { .center_freq = 2422, .hw_value = 3, },
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- { .center_freq = 2427, .hw_value = 4, },
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- { .center_freq = 2432, .hw_value = 5, },
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- { .center_freq = 2437, .hw_value = 6, },
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- { .center_freq = 2442, .hw_value = 7, },
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- { .center_freq = 2447, .hw_value = 8, },
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- { .center_freq = 2452, .hw_value = 9, },
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- { .center_freq = 2457, .hw_value = 10, },
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- { .center_freq = 2462, .hw_value = 11, },
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- { .center_freq = 2467, .hw_value = 12, },
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- { .center_freq = 2472, .hw_value = 13, },
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- { .center_freq = 2484, .hw_value = 14, },
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-};
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-
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-static struct ieee80211_supported_band band_2GHz = {
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- .channels = p54_bgchannels,
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- .n_channels = ARRAY_SIZE(p54_bgchannels),
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- .bitrates = p54_bgrates,
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- .n_bitrates = ARRAY_SIZE(p54_bgrates),
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-};
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-
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-static struct ieee80211_rate p54_arates[] = {
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- { .bitrate = 60, .hw_value = 4, },
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- { .bitrate = 90, .hw_value = 5, },
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- { .bitrate = 120, .hw_value = 6, },
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- { .bitrate = 180, .hw_value = 7, },
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- { .bitrate = 240, .hw_value = 8, },
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- { .bitrate = 360, .hw_value = 9, },
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- { .bitrate = 480, .hw_value = 10, },
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- { .bitrate = 540, .hw_value = 11, },
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-};
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-
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-static struct ieee80211_channel p54_achannels[] = {
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- { .center_freq = 4920 },
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- { .center_freq = 4940 },
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- { .center_freq = 4960 },
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- { .center_freq = 4980 },
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- { .center_freq = 5040 },
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- { .center_freq = 5060 },
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- { .center_freq = 5080 },
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- { .center_freq = 5170 },
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- { .center_freq = 5180 },
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- { .center_freq = 5190 },
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- { .center_freq = 5200 },
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- { .center_freq = 5210 },
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- { .center_freq = 5220 },
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- { .center_freq = 5230 },
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- { .center_freq = 5240 },
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- { .center_freq = 5260 },
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- { .center_freq = 5280 },
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- { .center_freq = 5300 },
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- { .center_freq = 5320 },
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- { .center_freq = 5500 },
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- { .center_freq = 5520 },
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- { .center_freq = 5540 },
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- { .center_freq = 5560 },
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- { .center_freq = 5580 },
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- { .center_freq = 5600 },
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- { .center_freq = 5620 },
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- { .center_freq = 5640 },
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- { .center_freq = 5660 },
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- { .center_freq = 5680 },
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- { .center_freq = 5700 },
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- { .center_freq = 5745 },
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- { .center_freq = 5765 },
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- { .center_freq = 5785 },
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- { .center_freq = 5805 },
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- { .center_freq = 5825 },
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-};
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-
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-static struct ieee80211_supported_band band_5GHz = {
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- .channels = p54_achannels,
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- .n_channels = ARRAY_SIZE(p54_achannels),
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- .bitrates = p54_arates,
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- .n_bitrates = ARRAY_SIZE(p54_arates),
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-};
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-
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-int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
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-{
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- struct p54_common *priv = dev->priv;
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- struct bootrec_exp_if *exp_if;
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- struct bootrec *bootrec;
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- u32 *data = (u32 *)fw->data;
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- u32 *end_data = (u32 *)fw->data + (fw->size >> 2);
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- u8 *fw_version = NULL;
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- size_t len;
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- int i;
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- int maxlen;
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-
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- if (priv->rx_start)
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- return 0;
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-
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- while (data < end_data && *data)
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- data++;
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-
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- while (data < end_data && !*data)
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- data++;
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-
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- bootrec = (struct bootrec *) data;
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-
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- while (bootrec->data <= end_data &&
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- (bootrec->data + (len = le32_to_cpu(bootrec->len))) <= end_data) {
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- u32 code = le32_to_cpu(bootrec->code);
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- switch (code) {
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- case BR_CODE_COMPONENT_ID:
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- priv->fw_interface = be32_to_cpup((__be32 *)
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- bootrec->data);
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- switch (priv->fw_interface) {
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- case FW_LM86:
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- case FW_LM20:
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- case FW_LM87: {
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- char *iftype = (char *)bootrec->data;
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- printk(KERN_INFO "%s: p54 detected a LM%c%c "
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- "firmware\n",
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- wiphy_name(dev->wiphy),
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- iftype[2], iftype[3]);
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- break;
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- }
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- case FW_FMAC:
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- default:
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- printk(KERN_ERR "%s: unsupported firmware\n",
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- wiphy_name(dev->wiphy));
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- return -ENODEV;
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- }
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- break;
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- case BR_CODE_COMPONENT_VERSION:
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- /* 24 bytes should be enough for all firmwares */
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- if (strnlen((unsigned char*)bootrec->data, 24) < 24)
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- fw_version = (unsigned char*)bootrec->data;
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- break;
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- case BR_CODE_DESCR: {
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- struct bootrec_desc *desc =
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- (struct bootrec_desc *)bootrec->data;
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- priv->rx_start = le32_to_cpu(desc->rx_start);
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- /* FIXME add sanity checking */
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- priv->rx_end = le32_to_cpu(desc->rx_end) - 0x3500;
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- priv->headroom = desc->headroom;
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- priv->tailroom = desc->tailroom;
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- priv->privacy_caps = desc->privacy_caps;
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- priv->rx_keycache_size = desc->rx_keycache_size;
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- if (le32_to_cpu(bootrec->len) == 11)
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- priv->rx_mtu = le16_to_cpu(desc->rx_mtu);
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- else
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- priv->rx_mtu = (size_t)
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- 0x620 - priv->tx_hdr_len;
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- maxlen = priv->tx_hdr_len + /* USB devices */
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- sizeof(struct p54_rx_data) +
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- 4 + /* rx alignment */
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- IEEE80211_MAX_FRAG_THRESHOLD;
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- if (priv->rx_mtu > maxlen && PAGE_SIZE == 4096) {
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- printk(KERN_INFO "p54: rx_mtu reduced from %d "
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- "to %d\n", priv->rx_mtu,
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- maxlen);
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- priv->rx_mtu = maxlen;
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- }
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- break;
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- }
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- case BR_CODE_EXPOSED_IF:
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- exp_if = (struct bootrec_exp_if *) bootrec->data;
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- for (i = 0; i < (len * sizeof(*exp_if) / 4); i++)
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- if (exp_if[i].if_id == cpu_to_le16(0x1a))
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- priv->fw_var = le16_to_cpu(exp_if[i].variant);
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- break;
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- case BR_CODE_DEPENDENT_IF:
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- break;
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- case BR_CODE_END_OF_BRA:
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- case LEGACY_BR_CODE_END_OF_BRA:
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- end_data = NULL;
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- break;
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- default:
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- break;
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- }
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- bootrec = (struct bootrec *)&bootrec->data[len];
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- }
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-
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- if (fw_version)
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- printk(KERN_INFO "%s: FW rev %s - Softmac protocol %x.%x\n",
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- wiphy_name(dev->wiphy), fw_version,
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- priv->fw_var >> 8, priv->fw_var & 0xff);
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-
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- if (priv->fw_var < 0x500)
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- printk(KERN_INFO "%s: you are using an obsolete firmware. "
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- "visit http://wireless.kernel.org/en/users/Drivers/p54 "
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- "and grab one for \"kernel >= 2.6.28\"!\n",
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- wiphy_name(dev->wiphy));
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-
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- if (priv->fw_var >= 0x300) {
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- /* Firmware supports QoS, use it! */
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- priv->tx_stats[P54_QUEUE_AC_VO].limit = 3;
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- priv->tx_stats[P54_QUEUE_AC_VI].limit = 4;
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- priv->tx_stats[P54_QUEUE_AC_BE].limit = 3;
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- priv->tx_stats[P54_QUEUE_AC_BK].limit = 2;
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- dev->queues = P54_QUEUE_AC_NUM;
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- }
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-
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- if (!modparam_nohwcrypt) {
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- printk(KERN_INFO "%s: cryptographic accelerator "
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- "WEP:%s, TKIP:%s, CCMP:%s\n",
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- wiphy_name(dev->wiphy),
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- (priv->privacy_caps & BR_DESC_PRIV_CAP_WEP) ? "YES" :
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- "no", (priv->privacy_caps & (BR_DESC_PRIV_CAP_TKIP |
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- BR_DESC_PRIV_CAP_MICHAEL)) ? "YES" : "no",
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- (priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP) ?
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- "YES" : "no");
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-
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- if (priv->rx_keycache_size) {
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- /*
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- * NOTE:
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- *
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- * The firmware provides at most 255 (0 - 254) slots
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- * for keys which are then used to offload decryption.
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- * As a result the 255 entry (aka 0xff) can be used
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- * safely by the driver to mark keys that didn't fit
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- * into the full cache. This trick saves us from
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- * keeping a extra list for uploaded keys.
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- */
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-
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- priv->used_rxkeys = kzalloc(BITS_TO_LONGS(
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- priv->rx_keycache_size), GFP_KERNEL);
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-
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- if (!priv->used_rxkeys)
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- return -ENOMEM;
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- }
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- }
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-
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- return 0;
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-}
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-EXPORT_SYMBOL_GPL(p54_parse_firmware);
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-
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-static int p54_convert_rev0(struct ieee80211_hw *dev,
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- struct pda_pa_curve_data *curve_data)
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-{
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- struct p54_common *priv = dev->priv;
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- struct p54_pa_curve_data_sample *dst;
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- struct pda_pa_curve_data_sample_rev0 *src;
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- size_t cd_len = sizeof(*curve_data) +
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- (curve_data->points_per_channel*sizeof(*dst) + 2) *
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- curve_data->channels;
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- unsigned int i, j;
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- void *source, *target;
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-
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- priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len,
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- GFP_KERNEL);
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- if (!priv->curve_data)
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- return -ENOMEM;
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-
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- priv->curve_data->entries = curve_data->channels;
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- priv->curve_data->entry_size = sizeof(__le16) +
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- sizeof(*dst) * curve_data->points_per_channel;
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- priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data);
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- priv->curve_data->len = cd_len;
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- memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data));
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- source = curve_data->data;
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- target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data;
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- for (i = 0; i < curve_data->channels; i++) {
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- __le16 *freq = source;
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- source += sizeof(__le16);
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- *((__le16 *)target) = *freq;
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- target += sizeof(__le16);
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- for (j = 0; j < curve_data->points_per_channel; j++) {
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- dst = target;
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- src = source;
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-
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- dst->rf_power = src->rf_power;
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- dst->pa_detector = src->pa_detector;
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- dst->data_64qam = src->pcv;
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- /* "invent" the points for the other modulations */
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-#define SUB(x,y) (u8)((x) - (y)) > (x) ? 0 : (x) - (y)
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- dst->data_16qam = SUB(src->pcv, 12);
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- dst->data_qpsk = SUB(dst->data_16qam, 12);
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- dst->data_bpsk = SUB(dst->data_qpsk, 12);
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- dst->data_barker = SUB(dst->data_bpsk, 14);
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-#undef SUB
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- target += sizeof(*dst);
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- source += sizeof(*src);
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- }
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- }
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-
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- return 0;
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-}
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-
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-static int p54_convert_rev1(struct ieee80211_hw *dev,
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- struct pda_pa_curve_data *curve_data)
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-{
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- struct p54_common *priv = dev->priv;
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- struct p54_pa_curve_data_sample *dst;
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- struct pda_pa_curve_data_sample_rev1 *src;
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- size_t cd_len = sizeof(*curve_data) +
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- (curve_data->points_per_channel*sizeof(*dst) + 2) *
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- curve_data->channels;
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- unsigned int i, j;
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- void *source, *target;
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-
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- priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data),
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- GFP_KERNEL);
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- if (!priv->curve_data)
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- return -ENOMEM;
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-
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- priv->curve_data->entries = curve_data->channels;
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- priv->curve_data->entry_size = sizeof(__le16) +
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- sizeof(*dst) * curve_data->points_per_channel;
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- priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data);
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- priv->curve_data->len = cd_len;
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- memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data));
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- source = curve_data->data;
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- target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data;
|
|
|
- for (i = 0; i < curve_data->channels; i++) {
|
|
|
- __le16 *freq = source;
|
|
|
- source += sizeof(__le16);
|
|
|
- *((__le16 *)target) = *freq;
|
|
|
- target += sizeof(__le16);
|
|
|
- for (j = 0; j < curve_data->points_per_channel; j++) {
|
|
|
- memcpy(target, source, sizeof(*src));
|
|
|
-
|
|
|
- target += sizeof(*dst);
|
|
|
- source += sizeof(*src);
|
|
|
- }
|
|
|
- source++;
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static const char *p54_rf_chips[] = { "NULL", "Duette3", "Duette2",
|
|
|
- "Frisbee", "Xbow", "Longbow", "NULL", "NULL" };
|
|
|
-static int p54_init_xbow_synth(struct ieee80211_hw *dev);
|
|
|
-
|
|
|
-static void p54_parse_rssical(struct ieee80211_hw *dev, void *data, int len,
|
|
|
- u16 type)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int offset = (type == PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED) ? 2 : 0;
|
|
|
- int entry_size = sizeof(struct pda_rssi_cal_entry) + offset;
|
|
|
- int num_entries = (type == PDR_RSSI_LINEAR_APPROXIMATION) ? 1 : 2;
|
|
|
- int i;
|
|
|
-
|
|
|
- if (len != (entry_size * num_entries)) {
|
|
|
- printk(KERN_ERR "%s: unknown rssi calibration data packing "
|
|
|
- " type:(%x) len:%d.\n",
|
|
|
- wiphy_name(dev->wiphy), type, len);
|
|
|
-
|
|
|
- print_hex_dump_bytes("rssical:", DUMP_PREFIX_NONE,
|
|
|
- data, len);
|
|
|
-
|
|
|
- printk(KERN_ERR "%s: please report this issue.\n",
|
|
|
- wiphy_name(dev->wiphy));
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- for (i = 0; i < num_entries; i++) {
|
|
|
- struct pda_rssi_cal_entry *cal = data +
|
|
|
- (offset + i * entry_size);
|
|
|
- priv->rssical_db[i].mul = (s16) le16_to_cpu(cal->mul);
|
|
|
- priv->rssical_db[i].add = (s16) le16_to_cpu(cal->add);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_parse_default_country(struct ieee80211_hw *dev,
|
|
|
- void *data, int len)
|
|
|
-{
|
|
|
- struct pda_country *country;
|
|
|
-
|
|
|
- if (len != sizeof(*country)) {
|
|
|
- printk(KERN_ERR "%s: found possible invalid default country "
|
|
|
- "eeprom entry. (entry size: %d)\n",
|
|
|
- wiphy_name(dev->wiphy), len);
|
|
|
-
|
|
|
- print_hex_dump_bytes("country:", DUMP_PREFIX_NONE,
|
|
|
- data, len);
|
|
|
-
|
|
|
- printk(KERN_ERR "%s: please report this issue.\n",
|
|
|
- wiphy_name(dev->wiphy));
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- country = (struct pda_country *) data;
|
|
|
- if (country->flags == PDR_COUNTRY_CERT_CODE_PSEUDO)
|
|
|
- regulatory_hint(dev->wiphy, country->alpha2);
|
|
|
- else {
|
|
|
- /* TODO:
|
|
|
- * write a shared/common function that converts
|
|
|
- * "Regulatory domain codes" (802.11-2007 14.8.2.2)
|
|
|
- * into ISO/IEC 3166-1 alpha2 for regulatory_hint.
|
|
|
- */
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_convert_output_limits(struct ieee80211_hw *dev,
|
|
|
- u8 *data, size_t len)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- if (len < 2)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- if (data[0] != 0) {
|
|
|
- printk(KERN_ERR "%s: unknown output power db revision:%x\n",
|
|
|
- wiphy_name(dev->wiphy), data[0]);
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
-
|
|
|
- if (2 + data[1] * sizeof(struct pda_channel_output_limit) > len)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- priv->output_limit = kmalloc(data[1] *
|
|
|
- sizeof(struct pda_channel_output_limit) +
|
|
|
- sizeof(*priv->output_limit), GFP_KERNEL);
|
|
|
-
|
|
|
- if (!priv->output_limit)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- priv->output_limit->offset = 0;
|
|
|
- priv->output_limit->entries = data[1];
|
|
|
- priv->output_limit->entry_size =
|
|
|
- sizeof(struct pda_channel_output_limit);
|
|
|
- priv->output_limit->len = priv->output_limit->entry_size *
|
|
|
- priv->output_limit->entries +
|
|
|
- priv->output_limit->offset;
|
|
|
-
|
|
|
- memcpy(priv->output_limit->data, &data[2],
|
|
|
- data[1] * sizeof(struct pda_channel_output_limit));
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static struct p54_cal_database *p54_convert_db(struct pda_custom_wrapper *src,
|
|
|
- size_t total_len)
|
|
|
-{
|
|
|
- struct p54_cal_database *dst;
|
|
|
- size_t payload_len, entries, entry_size, offset;
|
|
|
-
|
|
|
- payload_len = le16_to_cpu(src->len);
|
|
|
- entries = le16_to_cpu(src->entries);
|
|
|
- entry_size = le16_to_cpu(src->entry_size);
|
|
|
- offset = le16_to_cpu(src->offset);
|
|
|
- if (((entries * entry_size + offset) != payload_len) ||
|
|
|
- (payload_len + sizeof(*src) != total_len))
|
|
|
- return NULL;
|
|
|
-
|
|
|
- dst = kmalloc(sizeof(*dst) + payload_len, GFP_KERNEL);
|
|
|
- if (!dst)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- dst->entries = entries;
|
|
|
- dst->entry_size = entry_size;
|
|
|
- dst->offset = offset;
|
|
|
- dst->len = payload_len;
|
|
|
-
|
|
|
- memcpy(dst->data, src->data, payload_len);
|
|
|
- return dst;
|
|
|
-}
|
|
|
-
|
|
|
-int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct eeprom_pda_wrap *wrap = NULL;
|
|
|
- struct pda_entry *entry;
|
|
|
- unsigned int data_len, entry_len;
|
|
|
- void *tmp;
|
|
|
- int err;
|
|
|
- u8 *end = (u8 *)eeprom + len;
|
|
|
- u16 synth = 0;
|
|
|
-
|
|
|
- wrap = (struct eeprom_pda_wrap *) eeprom;
|
|
|
- entry = (void *)wrap->data + le16_to_cpu(wrap->len);
|
|
|
-
|
|
|
- /* verify that at least the entry length/code fits */
|
|
|
- while ((u8 *)entry <= end - sizeof(*entry)) {
|
|
|
- entry_len = le16_to_cpu(entry->len);
|
|
|
- data_len = ((entry_len - 1) << 1);
|
|
|
-
|
|
|
- /* abort if entry exceeds whole structure */
|
|
|
- if ((u8 *)entry + sizeof(*entry) + data_len > end)
|
|
|
- break;
|
|
|
-
|
|
|
- switch (le16_to_cpu(entry->code)) {
|
|
|
- case PDR_MAC_ADDRESS:
|
|
|
- if (data_len != ETH_ALEN)
|
|
|
- break;
|
|
|
- SET_IEEE80211_PERM_ADDR(dev, entry->data);
|
|
|
- break;
|
|
|
- case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS:
|
|
|
- if (priv->output_limit)
|
|
|
- break;
|
|
|
- err = p54_convert_output_limits(dev, entry->data,
|
|
|
- data_len);
|
|
|
- if (err)
|
|
|
- goto err;
|
|
|
- break;
|
|
|
- case PDR_PRISM_PA_CAL_CURVE_DATA: {
|
|
|
- struct pda_pa_curve_data *curve_data =
|
|
|
- (struct pda_pa_curve_data *)entry->data;
|
|
|
- if (data_len < sizeof(*curve_data)) {
|
|
|
- err = -EINVAL;
|
|
|
- goto err;
|
|
|
- }
|
|
|
-
|
|
|
- switch (curve_data->cal_method_rev) {
|
|
|
- case 0:
|
|
|
- err = p54_convert_rev0(dev, curve_data);
|
|
|
- break;
|
|
|
- case 1:
|
|
|
- err = p54_convert_rev1(dev, curve_data);
|
|
|
- break;
|
|
|
- default:
|
|
|
- printk(KERN_ERR "%s: unknown curve data "
|
|
|
- "revision %d\n",
|
|
|
- wiphy_name(dev->wiphy),
|
|
|
- curve_data->cal_method_rev);
|
|
|
- err = -ENODEV;
|
|
|
- break;
|
|
|
- }
|
|
|
- if (err)
|
|
|
- goto err;
|
|
|
- }
|
|
|
- break;
|
|
|
- case PDR_PRISM_ZIF_TX_IQ_CALIBRATION:
|
|
|
- priv->iq_autocal = kmalloc(data_len, GFP_KERNEL);
|
|
|
- if (!priv->iq_autocal) {
|
|
|
- err = -ENOMEM;
|
|
|
- goto err;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy(priv->iq_autocal, entry->data, data_len);
|
|
|
- priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry);
|
|
|
- break;
|
|
|
- case PDR_DEFAULT_COUNTRY:
|
|
|
- p54_parse_default_country(dev, entry->data, data_len);
|
|
|
- break;
|
|
|
- case PDR_INTERFACE_LIST:
|
|
|
- tmp = entry->data;
|
|
|
- while ((u8 *)tmp < entry->data + data_len) {
|
|
|
- struct bootrec_exp_if *exp_if = tmp;
|
|
|
- if (le16_to_cpu(exp_if->if_id) == 0xf)
|
|
|
- synth = le16_to_cpu(exp_if->variant);
|
|
|
- tmp += sizeof(struct bootrec_exp_if);
|
|
|
- }
|
|
|
- break;
|
|
|
- case PDR_HARDWARE_PLATFORM_COMPONENT_ID:
|
|
|
- if (data_len < 2)
|
|
|
- break;
|
|
|
- priv->version = *(u8 *)(entry->data + 1);
|
|
|
- break;
|
|
|
- case PDR_RSSI_LINEAR_APPROXIMATION:
|
|
|
- case PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND:
|
|
|
- case PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED:
|
|
|
- p54_parse_rssical(dev, entry->data, data_len,
|
|
|
- le16_to_cpu(entry->code));
|
|
|
- break;
|
|
|
- case PDR_RSSI_LINEAR_APPROXIMATION_CUSTOM: {
|
|
|
- __le16 *src = (void *) entry->data;
|
|
|
- s16 *dst = (void *) &priv->rssical_db;
|
|
|
- int i;
|
|
|
-
|
|
|
- if (data_len != sizeof(priv->rssical_db)) {
|
|
|
- err = -EINVAL;
|
|
|
- goto err;
|
|
|
- }
|
|
|
- for (i = 0; i < sizeof(priv->rssical_db) /
|
|
|
- sizeof(*src); i++)
|
|
|
- *(dst++) = (s16) le16_to_cpu(*(src++));
|
|
|
- }
|
|
|
- break;
|
|
|
- case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS_CUSTOM: {
|
|
|
- struct pda_custom_wrapper *pda = (void *) entry->data;
|
|
|
- if (priv->output_limit || data_len < sizeof(*pda))
|
|
|
- break;
|
|
|
- priv->output_limit = p54_convert_db(pda, data_len);
|
|
|
- }
|
|
|
- break;
|
|
|
- case PDR_PRISM_PA_CAL_CURVE_DATA_CUSTOM: {
|
|
|
- struct pda_custom_wrapper *pda = (void *) entry->data;
|
|
|
- if (priv->curve_data || data_len < sizeof(*pda))
|
|
|
- break;
|
|
|
- priv->curve_data = p54_convert_db(pda, data_len);
|
|
|
- }
|
|
|
- break;
|
|
|
- case PDR_END:
|
|
|
- /* make it overrun */
|
|
|
- entry_len = len;
|
|
|
- break;
|
|
|
- case PDR_MANUFACTURING_PART_NUMBER:
|
|
|
- case PDR_PDA_VERSION:
|
|
|
- case PDR_NIC_SERIAL_NUMBER:
|
|
|
- case PDR_REGULATORY_DOMAIN_LIST:
|
|
|
- case PDR_TEMPERATURE_TYPE:
|
|
|
- case PDR_PRISM_PCI_IDENTIFIER:
|
|
|
- case PDR_COUNTRY_INFORMATION:
|
|
|
- case PDR_OEM_NAME:
|
|
|
- case PDR_PRODUCT_NAME:
|
|
|
- case PDR_UTF8_OEM_NAME:
|
|
|
- case PDR_UTF8_PRODUCT_NAME:
|
|
|
- case PDR_COUNTRY_LIST:
|
|
|
- case PDR_ANTENNA_GAIN:
|
|
|
- case PDR_PRISM_INDIGO_PA_CALIBRATION_DATA:
|
|
|
- case PDR_REGULATORY_POWER_LIMITS:
|
|
|
- case PDR_RADIATED_TRANSMISSION_CORRECTION:
|
|
|
- case PDR_PRISM_TX_IQ_CALIBRATION:
|
|
|
- case PDR_BASEBAND_REGISTERS:
|
|
|
- case PDR_PER_CHANNEL_BASEBAND_REGISTERS:
|
|
|
- break;
|
|
|
- default:
|
|
|
- printk(KERN_INFO "%s: unknown eeprom code : 0x%x\n",
|
|
|
- wiphy_name(dev->wiphy),
|
|
|
- le16_to_cpu(entry->code));
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- entry = (void *)entry + (entry_len + 1)*2;
|
|
|
- }
|
|
|
-
|
|
|
- if (!synth || !priv->iq_autocal || !priv->output_limit ||
|
|
|
- !priv->curve_data) {
|
|
|
- printk(KERN_ERR "%s: not all required entries found in eeprom!\n",
|
|
|
- wiphy_name(dev->wiphy));
|
|
|
- err = -EINVAL;
|
|
|
- goto err;
|
|
|
- }
|
|
|
-
|
|
|
- priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK;
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW)
|
|
|
- p54_init_xbow_synth(dev);
|
|
|
- if (!(synth & PDR_SYNTH_24_GHZ_DISABLED))
|
|
|
- dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
|
|
|
- if (!(synth & PDR_SYNTH_5_GHZ_DISABLED))
|
|
|
- dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz;
|
|
|
- if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED)
|
|
|
- priv->rx_diversity_mask = 3;
|
|
|
- if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED)
|
|
|
- priv->tx_diversity_mask = 3;
|
|
|
-
|
|
|
- if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
|
|
|
- u8 perm_addr[ETH_ALEN];
|
|
|
-
|
|
|
- printk(KERN_WARNING "%s: Invalid hwaddr! Using randomly generated MAC addr\n",
|
|
|
- wiphy_name(dev->wiphy));
|
|
|
- random_ether_addr(perm_addr);
|
|
|
- SET_IEEE80211_PERM_ADDR(dev, perm_addr);
|
|
|
- }
|
|
|
-
|
|
|
- printk(KERN_INFO "%s: hwaddr %pM, MAC:isl38%02x RF:%s\n",
|
|
|
- wiphy_name(dev->wiphy),
|
|
|
- dev->wiphy->perm_addr,
|
|
|
- priv->version, p54_rf_chips[priv->rxhw]);
|
|
|
-
|
|
|
- return 0;
|
|
|
-
|
|
|
- err:
|
|
|
- if (priv->iq_autocal) {
|
|
|
- kfree(priv->iq_autocal);
|
|
|
- priv->iq_autocal = NULL;
|
|
|
- }
|
|
|
-
|
|
|
- if (priv->output_limit) {
|
|
|
- kfree(priv->output_limit);
|
|
|
- priv->output_limit = NULL;
|
|
|
- }
|
|
|
-
|
|
|
- if (priv->curve_data) {
|
|
|
- kfree(priv->curve_data);
|
|
|
- priv->curve_data = NULL;
|
|
|
- }
|
|
|
-
|
|
|
- printk(KERN_ERR "%s: eeprom parse failed!\n",
|
|
|
- wiphy_name(dev->wiphy));
|
|
|
- return err;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_parse_eeprom);
|
|
|
-
|
|
|
-static int p54_rssi_to_dbm(struct ieee80211_hw *dev, int rssi)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int band = dev->conf.channel->band;
|
|
|
-
|
|
|
- if (priv->rxhw != PDR_SYNTH_FRONTEND_LONGBOW)
|
|
|
- return ((rssi * priv->rssical_db[band].mul) / 64 +
|
|
|
- priv->rssical_db[band].add) / 4;
|
|
|
- else
|
|
|
- /*
|
|
|
- * TODO: find the correct formula
|
|
|
- */
|
|
|
- return ((rssi * priv->rssical_db[band].mul) / 64 +
|
|
|
- priv->rssical_db[band].add) / 4;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_rx_data *hdr = (struct p54_rx_data *) skb->data;
|
|
|
- struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
|
|
|
- u16 freq = le16_to_cpu(hdr->freq);
|
|
|
- size_t header_len = sizeof(*hdr);
|
|
|
- u32 tsf32;
|
|
|
- u8 rate = hdr->rate & 0xf;
|
|
|
-
|
|
|
- /*
|
|
|
- * If the device is in a unspecified state we have to
|
|
|
- * ignore all data frames. Else we could end up with a
|
|
|
- * nasty crash.
|
|
|
- */
|
|
|
- if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED))
|
|
|
- return 0;
|
|
|
-
|
|
|
- if (!(hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_IN_FCS_GOOD))) {
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- if (hdr->decrypt_status == P54_DECRYPT_OK)
|
|
|
- rx_status->flag |= RX_FLAG_DECRYPTED;
|
|
|
- if ((hdr->decrypt_status == P54_DECRYPT_FAIL_MICHAEL) ||
|
|
|
- (hdr->decrypt_status == P54_DECRYPT_FAIL_TKIP))
|
|
|
- rx_status->flag |= RX_FLAG_MMIC_ERROR;
|
|
|
-
|
|
|
- rx_status->signal = p54_rssi_to_dbm(dev, hdr->rssi);
|
|
|
- rx_status->noise = priv->noise;
|
|
|
- if (hdr->rate & 0x10)
|
|
|
- rx_status->flag |= RX_FLAG_SHORTPRE;
|
|
|
- if (dev->conf.channel->band == IEEE80211_BAND_5GHZ)
|
|
|
- rx_status->rate_idx = (rate < 4) ? 0 : rate - 4;
|
|
|
- else
|
|
|
- rx_status->rate_idx = rate;
|
|
|
-
|
|
|
- rx_status->freq = freq;
|
|
|
- rx_status->band = dev->conf.channel->band;
|
|
|
- rx_status->antenna = hdr->antenna;
|
|
|
-
|
|
|
- tsf32 = le32_to_cpu(hdr->tsf32);
|
|
|
- if (tsf32 < priv->tsf_low32)
|
|
|
- priv->tsf_high32++;
|
|
|
- rx_status->mactime = ((u64)priv->tsf_high32) << 32 | tsf32;
|
|
|
- priv->tsf_low32 = tsf32;
|
|
|
-
|
|
|
- rx_status->flag |= RX_FLAG_TSFT;
|
|
|
-
|
|
|
- if (hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN))
|
|
|
- header_len += hdr->align[0];
|
|
|
-
|
|
|
- skb_pull(skb, header_len);
|
|
|
- skb_trim(skb, le16_to_cpu(hdr->len));
|
|
|
- ieee80211_rx_irqsafe(dev, skb);
|
|
|
-
|
|
|
- queue_delayed_work(dev->workqueue, &priv->work,
|
|
|
- msecs_to_jiffies(P54_STATISTICS_UPDATE));
|
|
|
-
|
|
|
- return -1;
|
|
|
-}
|
|
|
-
|
|
|
-static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int i;
|
|
|
-
|
|
|
- if (priv->mode == NL80211_IFTYPE_UNSPECIFIED)
|
|
|
- return ;
|
|
|
-
|
|
|
- for (i = 0; i < dev->queues; i++)
|
|
|
- if (priv->tx_stats[i + P54_QUEUE_DATA].len <
|
|
|
- priv->tx_stats[i + P54_QUEUE_DATA].limit)
|
|
|
- ieee80211_wake_queue(dev, i);
|
|
|
-}
|
|
|
-
|
|
|
-void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct ieee80211_tx_info *info;
|
|
|
- struct p54_tx_info *range;
|
|
|
- unsigned long flags;
|
|
|
-
|
|
|
- if (unlikely(!skb || !dev || !skb_queue_len(&priv->tx_queue)))
|
|
|
- return;
|
|
|
-
|
|
|
- /*
|
|
|
- * don't try to free an already unlinked skb
|
|
|
- */
|
|
|
- if (unlikely((!skb->next) || (!skb->prev)))
|
|
|
- return;
|
|
|
-
|
|
|
- spin_lock_irqsave(&priv->tx_queue.lock, flags);
|
|
|
- info = IEEE80211_SKB_CB(skb);
|
|
|
- range = (void *)info->rate_driver_data;
|
|
|
- if (skb->prev != (struct sk_buff *)&priv->tx_queue) {
|
|
|
- struct ieee80211_tx_info *ni;
|
|
|
- struct p54_tx_info *mr;
|
|
|
-
|
|
|
- ni = IEEE80211_SKB_CB(skb->prev);
|
|
|
- mr = (struct p54_tx_info *)ni->rate_driver_data;
|
|
|
- }
|
|
|
- if (skb->next != (struct sk_buff *)&priv->tx_queue) {
|
|
|
- struct ieee80211_tx_info *ni;
|
|
|
- struct p54_tx_info *mr;
|
|
|
-
|
|
|
- ni = IEEE80211_SKB_CB(skb->next);
|
|
|
- mr = (struct p54_tx_info *)ni->rate_driver_data;
|
|
|
- }
|
|
|
- __skb_unlink(skb, &priv->tx_queue);
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
- dev_kfree_skb_any(skb);
|
|
|
- p54_wake_free_queues(dev);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_free_skb);
|
|
|
-
|
|
|
-static struct sk_buff *p54_find_tx_entry(struct ieee80211_hw *dev,
|
|
|
- __le32 req_id)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *entry;
|
|
|
- unsigned long flags;
|
|
|
-
|
|
|
- spin_lock_irqsave(&priv->tx_queue.lock, flags);
|
|
|
- entry = priv->tx_queue.next;
|
|
|
- while (entry != (struct sk_buff *)&priv->tx_queue) {
|
|
|
- struct p54_hdr *hdr = (struct p54_hdr *) entry->data;
|
|
|
-
|
|
|
- if (hdr->req_id == req_id) {
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
- return entry;
|
|
|
- }
|
|
|
- entry = entry->next;
|
|
|
- }
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
- return NULL;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_hdr *hdr = (struct p54_hdr *) skb->data;
|
|
|
- struct p54_frame_sent *payload = (struct p54_frame_sent *) hdr->data;
|
|
|
- struct sk_buff *entry;
|
|
|
- u32 addr = le32_to_cpu(hdr->req_id) - priv->headroom;
|
|
|
- struct p54_tx_info *range = NULL;
|
|
|
- unsigned long flags;
|
|
|
- int count, idx;
|
|
|
-
|
|
|
- spin_lock_irqsave(&priv->tx_queue.lock, flags);
|
|
|
- entry = (struct sk_buff *) priv->tx_queue.next;
|
|
|
- while (entry != (struct sk_buff *)&priv->tx_queue) {
|
|
|
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry);
|
|
|
- struct p54_hdr *entry_hdr;
|
|
|
- struct p54_tx_data *entry_data;
|
|
|
- unsigned int pad = 0, frame_len;
|
|
|
-
|
|
|
- range = (void *)info->rate_driver_data;
|
|
|
- if (range->start_addr != addr) {
|
|
|
- entry = entry->next;
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- if (entry->next != (struct sk_buff *)&priv->tx_queue) {
|
|
|
- struct ieee80211_tx_info *ni;
|
|
|
- struct p54_tx_info *mr;
|
|
|
-
|
|
|
- ni = IEEE80211_SKB_CB(entry->next);
|
|
|
- mr = (struct p54_tx_info *)ni->rate_driver_data;
|
|
|
- }
|
|
|
-
|
|
|
- __skb_unlink(entry, &priv->tx_queue);
|
|
|
-
|
|
|
- frame_len = entry->len;
|
|
|
- entry_hdr = (struct p54_hdr *) entry->data;
|
|
|
- entry_data = (struct p54_tx_data *) entry_hdr->data;
|
|
|
- if (priv->tx_stats[entry_data->hw_queue].len)
|
|
|
- priv->tx_stats[entry_data->hw_queue].len--;
|
|
|
- priv->stats.dot11ACKFailureCount += payload->tries - 1;
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
-
|
|
|
- /*
|
|
|
- * Frames in P54_QUEUE_FWSCAN and P54_QUEUE_BEACON are
|
|
|
- * generated by the driver. Therefore tx_status is bogus
|
|
|
- * and we don't want to confuse the mac80211 stack.
|
|
|
- */
|
|
|
- if (unlikely(entry_data->hw_queue < P54_QUEUE_FWSCAN)) {
|
|
|
- if (entry_data->hw_queue == P54_QUEUE_BEACON)
|
|
|
- priv->cached_beacon = NULL;
|
|
|
-
|
|
|
- kfree_skb(entry);
|
|
|
- goto out;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * Clear manually, ieee80211_tx_info_clear_status would
|
|
|
- * clear the counts too and we need them.
|
|
|
- */
|
|
|
- memset(&info->status.ampdu_ack_len, 0,
|
|
|
- sizeof(struct ieee80211_tx_info) -
|
|
|
- offsetof(struct ieee80211_tx_info, status.ampdu_ack_len));
|
|
|
- BUILD_BUG_ON(offsetof(struct ieee80211_tx_info,
|
|
|
- status.ampdu_ack_len) != 23);
|
|
|
-
|
|
|
- if (entry_hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN))
|
|
|
- pad = entry_data->align[0];
|
|
|
-
|
|
|
- /* walk through the rates array and adjust the counts */
|
|
|
- count = payload->tries;
|
|
|
- for (idx = 0; idx < 4; idx++) {
|
|
|
- if (count >= info->status.rates[idx].count) {
|
|
|
- count -= info->status.rates[idx].count;
|
|
|
- } else if (count > 0) {
|
|
|
- info->status.rates[idx].count = count;
|
|
|
- count = 0;
|
|
|
- } else {
|
|
|
- info->status.rates[idx].idx = -1;
|
|
|
- info->status.rates[idx].count = 0;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
|
|
|
- (!payload->status))
|
|
|
- info->flags |= IEEE80211_TX_STAT_ACK;
|
|
|
- if (payload->status & P54_TX_PSM_CANCELLED)
|
|
|
- info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
|
|
|
- info->status.ack_signal = p54_rssi_to_dbm(dev,
|
|
|
- (int)payload->ack_rssi);
|
|
|
-
|
|
|
- /* Undo all changes to the frame. */
|
|
|
- switch (entry_data->key_type) {
|
|
|
- case P54_CRYPTO_TKIPMICHAEL: {
|
|
|
- u8 *iv = (u8 *)(entry_data->align + pad +
|
|
|
- entry_data->crypt_offset);
|
|
|
-
|
|
|
- /* Restore the original TKIP IV. */
|
|
|
- iv[2] = iv[0];
|
|
|
- iv[0] = iv[1];
|
|
|
- iv[1] = (iv[0] | 0x20) & 0x7f; /* WEPSeed - 8.3.2.2 */
|
|
|
-
|
|
|
- frame_len -= 12; /* remove TKIP_MMIC + TKIP_ICV */
|
|
|
- break;
|
|
|
- }
|
|
|
- case P54_CRYPTO_AESCCMP:
|
|
|
- frame_len -= 8; /* remove CCMP_MIC */
|
|
|
- break;
|
|
|
- case P54_CRYPTO_WEP:
|
|
|
- frame_len -= 4; /* remove WEP_ICV */
|
|
|
- break;
|
|
|
- }
|
|
|
- skb_trim(entry, frame_len);
|
|
|
- skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data));
|
|
|
- ieee80211_tx_status_irqsafe(dev, entry);
|
|
|
- goto out;
|
|
|
- }
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
-
|
|
|
-out:
|
|
|
- p54_wake_free_queues(dev);
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_rx_eeprom_readback(struct ieee80211_hw *dev,
|
|
|
- struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_hdr *hdr = (struct p54_hdr *) skb->data;
|
|
|
- struct p54_eeprom_lm86 *eeprom = (struct p54_eeprom_lm86 *) hdr->data;
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- if (!priv->eeprom)
|
|
|
- return ;
|
|
|
-
|
|
|
- if (priv->fw_var >= 0x509) {
|
|
|
- memcpy(priv->eeprom, eeprom->v2.data,
|
|
|
- le16_to_cpu(eeprom->v2.len));
|
|
|
- } else {
|
|
|
- memcpy(priv->eeprom, eeprom->v1.data,
|
|
|
- le16_to_cpu(eeprom->v1.len));
|
|
|
- }
|
|
|
-
|
|
|
- complete(&priv->eeprom_comp);
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_rx_stats(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_hdr *hdr = (struct p54_hdr *) skb->data;
|
|
|
- struct p54_statistics *stats = (struct p54_statistics *) hdr->data;
|
|
|
- u32 tsf32;
|
|
|
-
|
|
|
- if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED))
|
|
|
- return ;
|
|
|
-
|
|
|
- tsf32 = le32_to_cpu(stats->tsf32);
|
|
|
- if (tsf32 < priv->tsf_low32)
|
|
|
- priv->tsf_high32++;
|
|
|
- priv->tsf_low32 = tsf32;
|
|
|
-
|
|
|
- priv->stats.dot11RTSFailureCount = le32_to_cpu(stats->rts_fail);
|
|
|
- priv->stats.dot11RTSSuccessCount = le32_to_cpu(stats->rts_success);
|
|
|
- priv->stats.dot11FCSErrorCount = le32_to_cpu(stats->rx_bad_fcs);
|
|
|
-
|
|
|
- priv->noise = p54_rssi_to_dbm(dev, le32_to_cpu(stats->noise));
|
|
|
-
|
|
|
- p54_free_skb(dev, p54_find_tx_entry(dev, hdr->req_id));
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_rx_trap(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_hdr *hdr = (struct p54_hdr *) skb->data;
|
|
|
- struct p54_trap *trap = (struct p54_trap *) hdr->data;
|
|
|
- u16 event = le16_to_cpu(trap->event);
|
|
|
- u16 freq = le16_to_cpu(trap->frequency);
|
|
|
-
|
|
|
- switch (event) {
|
|
|
- case P54_TRAP_BEACON_TX:
|
|
|
- break;
|
|
|
- case P54_TRAP_RADAR:
|
|
|
- printk(KERN_INFO "%s: radar (freq:%d MHz)\n",
|
|
|
- wiphy_name(dev->wiphy), freq);
|
|
|
- break;
|
|
|
- case P54_TRAP_NO_BEACON:
|
|
|
- if (priv->vif)
|
|
|
- ieee80211_beacon_loss(priv->vif);
|
|
|
- break;
|
|
|
- case P54_TRAP_SCAN:
|
|
|
- break;
|
|
|
- case P54_TRAP_TBTT:
|
|
|
- break;
|
|
|
- case P54_TRAP_TIMER:
|
|
|
- break;
|
|
|
- default:
|
|
|
- printk(KERN_INFO "%s: received event:%x freq:%d\n",
|
|
|
- wiphy_name(dev->wiphy), event, freq);
|
|
|
- break;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct p54_hdr *hdr = (struct p54_hdr *) skb->data;
|
|
|
-
|
|
|
- switch (le16_to_cpu(hdr->type)) {
|
|
|
- case P54_CONTROL_TYPE_TXDONE:
|
|
|
- p54_rx_frame_sent(dev, skb);
|
|
|
- break;
|
|
|
- case P54_CONTROL_TYPE_TRAP:
|
|
|
- p54_rx_trap(dev, skb);
|
|
|
- break;
|
|
|
- case P54_CONTROL_TYPE_BBP:
|
|
|
- break;
|
|
|
- case P54_CONTROL_TYPE_STAT_READBACK:
|
|
|
- p54_rx_stats(dev, skb);
|
|
|
- break;
|
|
|
- case P54_CONTROL_TYPE_EEPROM_READBACK:
|
|
|
- p54_rx_eeprom_readback(dev, skb);
|
|
|
- break;
|
|
|
- default:
|
|
|
- printk(KERN_DEBUG "%s: not handling 0x%02x type control frame\n",
|
|
|
- wiphy_name(dev->wiphy), le16_to_cpu(hdr->type));
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-/* returns zero if skb can be reused */
|
|
|
-int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- u16 type = le16_to_cpu(*((__le16 *)skb->data));
|
|
|
-
|
|
|
- if (type & P54_HDR_FLAG_CONTROL)
|
|
|
- return p54_rx_control(dev, skb);
|
|
|
- else
|
|
|
- return p54_rx_data(dev, skb);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_rx);
|
|
|
-
|
|
|
-/*
|
|
|
- * So, the firmware is somewhat stupid and doesn't know what places in its
|
|
|
- * memory incoming data should go to. By poking around in the firmware, we
|
|
|
- * can find some unused memory to upload our packets to. However, data that we
|
|
|
- * want the card to TX needs to stay intact until the card has told us that
|
|
|
- * it is done with it. This function finds empty places we can upload to and
|
|
|
- * marks allocated areas as reserved if necessary. p54_rx_frame_sent or
|
|
|
- * p54_free_skb frees allocated areas.
|
|
|
- */
|
|
|
-static int p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb,
|
|
|
- struct p54_hdr *data, u32 len)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *entry;
|
|
|
- struct sk_buff *target_skb = NULL;
|
|
|
- struct ieee80211_tx_info *info;
|
|
|
- struct p54_tx_info *range;
|
|
|
- u32 last_addr = priv->rx_start;
|
|
|
- u32 largest_hole = 0;
|
|
|
- u32 target_addr = priv->rx_start;
|
|
|
- unsigned long flags;
|
|
|
- unsigned int left;
|
|
|
- len = (len + priv->headroom + priv->tailroom + 3) & ~0x3;
|
|
|
-
|
|
|
- if (!skb)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- spin_lock_irqsave(&priv->tx_queue.lock, flags);
|
|
|
-
|
|
|
- left = skb_queue_len(&priv->tx_queue);
|
|
|
- if (unlikely(left >= 28)) {
|
|
|
- /*
|
|
|
- * The tx_queue is nearly full!
|
|
|
- * We have throttle normal data traffic, because we must
|
|
|
- * have a few spare slots for control frames left.
|
|
|
- */
|
|
|
- ieee80211_stop_queues(dev);
|
|
|
- queue_delayed_work(dev->workqueue, &priv->work,
|
|
|
- msecs_to_jiffies(P54_TX_TIMEOUT));
|
|
|
-
|
|
|
- if (unlikely(left == 32)) {
|
|
|
- /*
|
|
|
- * The tx_queue is now really full.
|
|
|
- *
|
|
|
- * TODO: check if the device has crashed and reset it.
|
|
|
- */
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
- return -ENOSPC;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- entry = priv->tx_queue.next;
|
|
|
- while (left--) {
|
|
|
- u32 hole_size;
|
|
|
- info = IEEE80211_SKB_CB(entry);
|
|
|
- range = (void *)info->rate_driver_data;
|
|
|
- hole_size = range->start_addr - last_addr;
|
|
|
- if (!target_skb && hole_size >= len) {
|
|
|
- target_skb = entry->prev;
|
|
|
- hole_size -= len;
|
|
|
- target_addr = last_addr;
|
|
|
- }
|
|
|
- largest_hole = max(largest_hole, hole_size);
|
|
|
- last_addr = range->end_addr;
|
|
|
- entry = entry->next;
|
|
|
- }
|
|
|
- if (!target_skb && priv->rx_end - last_addr >= len) {
|
|
|
- target_skb = priv->tx_queue.prev;
|
|
|
- largest_hole = max(largest_hole, priv->rx_end - last_addr - len);
|
|
|
- if (!skb_queue_empty(&priv->tx_queue)) {
|
|
|
- info = IEEE80211_SKB_CB(target_skb);
|
|
|
- range = (void *)info->rate_driver_data;
|
|
|
- target_addr = range->end_addr;
|
|
|
- }
|
|
|
- } else
|
|
|
- largest_hole = max(largest_hole, priv->rx_end - last_addr);
|
|
|
-
|
|
|
- if (!target_skb) {
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
- ieee80211_stop_queues(dev);
|
|
|
- return -ENOSPC;
|
|
|
- }
|
|
|
-
|
|
|
- info = IEEE80211_SKB_CB(skb);
|
|
|
- range = (void *)info->rate_driver_data;
|
|
|
- range->start_addr = target_addr;
|
|
|
- range->end_addr = target_addr + len;
|
|
|
- __skb_queue_after(&priv->tx_queue, target_skb, skb);
|
|
|
- spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
|
|
-
|
|
|
- if (largest_hole < priv->headroom + sizeof(struct p54_hdr) +
|
|
|
- 48 + IEEE80211_MAX_RTS_THRESHOLD + priv->tailroom)
|
|
|
- ieee80211_stop_queues(dev);
|
|
|
-
|
|
|
- data->req_id = cpu_to_le32(target_addr + priv->headroom);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static struct sk_buff *p54_alloc_skb(struct ieee80211_hw *dev, u16 hdr_flags,
|
|
|
- u16 payload_len, u16 type, gfp_t memflags)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_hdr *hdr;
|
|
|
- struct sk_buff *skb;
|
|
|
- size_t frame_len = sizeof(*hdr) + payload_len;
|
|
|
-
|
|
|
- if (frame_len > P54_MAX_CTRL_FRAME_LEN)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- skb = __dev_alloc_skb(priv->tx_hdr_len + frame_len, memflags);
|
|
|
- if (!skb)
|
|
|
- return NULL;
|
|
|
- skb_reserve(skb, priv->tx_hdr_len);
|
|
|
-
|
|
|
- hdr = (struct p54_hdr *) skb_put(skb, sizeof(*hdr));
|
|
|
- hdr->flags = cpu_to_le16(hdr_flags);
|
|
|
- hdr->len = cpu_to_le16(payload_len);
|
|
|
- hdr->type = cpu_to_le16(type);
|
|
|
- hdr->tries = hdr->rts_tries = 0;
|
|
|
-
|
|
|
- if (p54_assign_address(dev, skb, hdr, frame_len)) {
|
|
|
- kfree_skb(skb);
|
|
|
- return NULL;
|
|
|
- }
|
|
|
- return skb;
|
|
|
-}
|
|
|
-
|
|
|
-int p54_read_eeprom(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_eeprom_lm86 *eeprom_hdr;
|
|
|
- struct sk_buff *skb;
|
|
|
- size_t eeprom_size = 0x2020, offset = 0, blocksize, maxblocksize;
|
|
|
- int ret = -ENOMEM;
|
|
|
- void *eeprom = NULL;
|
|
|
-
|
|
|
- maxblocksize = EEPROM_READBACK_LEN;
|
|
|
- if (priv->fw_var >= 0x509)
|
|
|
- maxblocksize -= 0xc;
|
|
|
- else
|
|
|
- maxblocksize -= 0x4;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(*eeprom_hdr) +
|
|
|
- maxblocksize, P54_CONTROL_TYPE_EEPROM_READBACK,
|
|
|
- GFP_KERNEL);
|
|
|
- if (!skb)
|
|
|
- goto free;
|
|
|
- priv->eeprom = kzalloc(EEPROM_READBACK_LEN, GFP_KERNEL);
|
|
|
- if (!priv->eeprom)
|
|
|
- goto free;
|
|
|
- eeprom = kzalloc(eeprom_size, GFP_KERNEL);
|
|
|
- if (!eeprom)
|
|
|
- goto free;
|
|
|
-
|
|
|
- eeprom_hdr = (struct p54_eeprom_lm86 *) skb_put(skb,
|
|
|
- sizeof(*eeprom_hdr) + maxblocksize);
|
|
|
-
|
|
|
- while (eeprom_size) {
|
|
|
- blocksize = min(eeprom_size, maxblocksize);
|
|
|
- if (priv->fw_var < 0x509) {
|
|
|
- eeprom_hdr->v1.offset = cpu_to_le16(offset);
|
|
|
- eeprom_hdr->v1.len = cpu_to_le16(blocksize);
|
|
|
- } else {
|
|
|
- eeprom_hdr->v2.offset = cpu_to_le32(offset);
|
|
|
- eeprom_hdr->v2.len = cpu_to_le16(blocksize);
|
|
|
- eeprom_hdr->v2.magic2 = 0xf;
|
|
|
- memcpy(eeprom_hdr->v2.magic, (const char *)"LOCK", 4);
|
|
|
- }
|
|
|
- priv->tx(dev, skb);
|
|
|
-
|
|
|
- if (!wait_for_completion_interruptible_timeout(&priv->eeprom_comp, HZ)) {
|
|
|
- printk(KERN_ERR "%s: device does not respond!\n",
|
|
|
- wiphy_name(dev->wiphy));
|
|
|
- ret = -EBUSY;
|
|
|
- goto free;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy(eeprom + offset, priv->eeprom, blocksize);
|
|
|
- offset += blocksize;
|
|
|
- eeprom_size -= blocksize;
|
|
|
- }
|
|
|
-
|
|
|
- ret = p54_parse_eeprom(dev, eeprom, offset);
|
|
|
-free:
|
|
|
- kfree(priv->eeprom);
|
|
|
- priv->eeprom = NULL;
|
|
|
- p54_free_skb(dev, skb);
|
|
|
- kfree(eeprom);
|
|
|
-
|
|
|
- return ret;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_read_eeprom);
|
|
|
-
|
|
|
-static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
|
|
|
- bool set)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_tim *tim;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*tim),
|
|
|
- P54_CONTROL_TYPE_TIM, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- tim = (struct p54_tim *) skb_put(skb, sizeof(*tim));
|
|
|
- tim->count = 1;
|
|
|
- tim->entry[0] = cpu_to_le16(set ? (sta->aid | 0x8000) : sta->aid);
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_sta_unlock(struct ieee80211_hw *dev, u8 *addr)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_sta_unlock *sta;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*sta),
|
|
|
- P54_CONTROL_TYPE_PSM_STA_UNLOCK, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- sta = (struct p54_sta_unlock *)skb_put(skb, sizeof(*sta));
|
|
|
- memcpy(sta->addr, addr, ETH_ALEN);
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_sta_notify(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
|
|
|
- enum sta_notify_cmd notify_cmd,
|
|
|
- struct ieee80211_sta *sta)
|
|
|
-{
|
|
|
- switch (notify_cmd) {
|
|
|
- case STA_NOTIFY_ADD:
|
|
|
- case STA_NOTIFY_REMOVE:
|
|
|
- /*
|
|
|
- * Notify the firmware that we don't want or we don't
|
|
|
- * need to buffer frames for this station anymore.
|
|
|
- */
|
|
|
-
|
|
|
- p54_sta_unlock(dev, sta->addr);
|
|
|
- break;
|
|
|
- case STA_NOTIFY_AWAKE:
|
|
|
- /* update the firmware's filter table */
|
|
|
- p54_sta_unlock(dev, sta->addr);
|
|
|
- break;
|
|
|
- default:
|
|
|
- break;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_tx_cancel(struct ieee80211_hw *dev, struct sk_buff *entry)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_hdr *hdr;
|
|
|
- struct p54_txcancel *cancel;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*cancel),
|
|
|
- P54_CONTROL_TYPE_TXCANCEL, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- hdr = (void *)entry->data;
|
|
|
- cancel = (struct p54_txcancel *)skb_put(skb, sizeof(*cancel));
|
|
|
- cancel->req_id = hdr->req_id;
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb,
|
|
|
- struct ieee80211_tx_info *info, u8 *queue, size_t *extra_len,
|
|
|
- u16 *flags, u16 *aid)
|
|
|
-{
|
|
|
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int ret = 1;
|
|
|
-
|
|
|
- switch (priv->mode) {
|
|
|
- case NL80211_IFTYPE_MONITOR:
|
|
|
- /*
|
|
|
- * We have to set P54_HDR_FLAG_DATA_OUT_PROMISC for
|
|
|
- * every frame in promiscuous/monitor mode.
|
|
|
- * see STSW45x0C LMAC API - page 12.
|
|
|
- */
|
|
|
- *aid = 0;
|
|
|
- *flags = P54_HDR_FLAG_DATA_OUT_PROMISC;
|
|
|
- *queue += P54_QUEUE_DATA;
|
|
|
- break;
|
|
|
- case NL80211_IFTYPE_STATION:
|
|
|
- *aid = 1;
|
|
|
- if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
|
|
|
- *queue = P54_QUEUE_MGMT;
|
|
|
- ret = 0;
|
|
|
- } else
|
|
|
- *queue += P54_QUEUE_DATA;
|
|
|
- break;
|
|
|
- case NL80211_IFTYPE_AP:
|
|
|
- case NL80211_IFTYPE_ADHOC:
|
|
|
- case NL80211_IFTYPE_MESH_POINT:
|
|
|
- if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
|
|
|
- *aid = 0;
|
|
|
- *queue = P54_QUEUE_CAB;
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
|
|
|
- if (ieee80211_is_probe_resp(hdr->frame_control)) {
|
|
|
- *aid = 0;
|
|
|
- *queue = P54_QUEUE_MGMT;
|
|
|
- *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP |
|
|
|
- P54_HDR_FLAG_DATA_OUT_NOCANCEL;
|
|
|
- return 0;
|
|
|
- } else if (ieee80211_is_beacon(hdr->frame_control)) {
|
|
|
- *aid = 0;
|
|
|
-
|
|
|
- if (info->flags & IEEE80211_TX_CTL_INJECTED) {
|
|
|
- /*
|
|
|
- * Injecting beacons on top of a AP is
|
|
|
- * not a good idea... nevertheless,
|
|
|
- * it should be doable.
|
|
|
- */
|
|
|
-
|
|
|
- *queue += P54_QUEUE_DATA;
|
|
|
- return 1;
|
|
|
- }
|
|
|
-
|
|
|
- *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP;
|
|
|
- *queue = P54_QUEUE_BEACON;
|
|
|
- *extra_len = IEEE80211_MAX_TIM_LEN;
|
|
|
- return 0;
|
|
|
- } else {
|
|
|
- *queue = P54_QUEUE_MGMT;
|
|
|
- ret = 0;
|
|
|
- }
|
|
|
- } else
|
|
|
- *queue += P54_QUEUE_DATA;
|
|
|
-
|
|
|
- if (info->control.sta)
|
|
|
- *aid = info->control.sta->aid;
|
|
|
-
|
|
|
- if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
|
|
|
- *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL;
|
|
|
- break;
|
|
|
- }
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-static u8 p54_convert_algo(enum ieee80211_key_alg alg)
|
|
|
-{
|
|
|
- switch (alg) {
|
|
|
- case ALG_WEP:
|
|
|
- return P54_CRYPTO_WEP;
|
|
|
- case ALG_TKIP:
|
|
|
- return P54_CRYPTO_TKIPMICHAEL;
|
|
|
- case ALG_CCMP:
|
|
|
- return P54_CRYPTO_AESCCMP;
|
|
|
- default:
|
|
|
- return 0;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
|
|
|
-{
|
|
|
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
|
- struct ieee80211_tx_queue_stats *current_queue;
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_hdr *hdr;
|
|
|
- struct p54_tx_data *txhdr;
|
|
|
- size_t padding, len, tim_len = 0;
|
|
|
- int i, j, ridx, ret;
|
|
|
- u16 hdr_flags = 0, aid = 0;
|
|
|
- u8 rate, queue, crypt_offset = 0;
|
|
|
- u8 cts_rate = 0x20;
|
|
|
- u8 rc_flags;
|
|
|
- u8 calculated_tries[4];
|
|
|
- u8 nrates = 0, nremaining = 8;
|
|
|
-
|
|
|
- queue = skb_get_queue_mapping(skb);
|
|
|
-
|
|
|
- ret = p54_tx_fill(dev, skb, info, &queue, &tim_len, &hdr_flags, &aid);
|
|
|
- current_queue = &priv->tx_stats[queue];
|
|
|
- if (unlikely((current_queue->len > current_queue->limit) && ret))
|
|
|
- return NETDEV_TX_BUSY;
|
|
|
- current_queue->len++;
|
|
|
- current_queue->count++;
|
|
|
- if ((current_queue->len == current_queue->limit) && ret)
|
|
|
- ieee80211_stop_queue(dev, skb_get_queue_mapping(skb));
|
|
|
-
|
|
|
- padding = (unsigned long)(skb->data - (sizeof(*hdr) + sizeof(*txhdr))) & 3;
|
|
|
- len = skb->len;
|
|
|
-
|
|
|
- if (info->control.hw_key) {
|
|
|
- crypt_offset = ieee80211_get_hdrlen_from_skb(skb);
|
|
|
- if (info->control.hw_key->alg == ALG_TKIP) {
|
|
|
- u8 *iv = (u8 *)(skb->data + crypt_offset);
|
|
|
- /*
|
|
|
- * The firmware excepts that the IV has to have
|
|
|
- * this special format
|
|
|
- */
|
|
|
- iv[1] = iv[0];
|
|
|
- iv[0] = iv[2];
|
|
|
- iv[2] = 0;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- txhdr = (struct p54_tx_data *) skb_push(skb, sizeof(*txhdr) + padding);
|
|
|
- hdr = (struct p54_hdr *) skb_push(skb, sizeof(*hdr));
|
|
|
-
|
|
|
- if (padding)
|
|
|
- hdr_flags |= P54_HDR_FLAG_DATA_ALIGN;
|
|
|
- hdr->type = cpu_to_le16(aid);
|
|
|
- hdr->rts_tries = info->control.rates[0].count;
|
|
|
-
|
|
|
- /*
|
|
|
- * we register the rates in perfect order, and
|
|
|
- * RTS/CTS won't happen on 5 GHz
|
|
|
- */
|
|
|
- cts_rate = info->control.rts_cts_rate_idx;
|
|
|
-
|
|
|
- memset(&txhdr->rateset, 0, sizeof(txhdr->rateset));
|
|
|
-
|
|
|
- /* see how many rates got used */
|
|
|
- for (i = 0; i < 4; i++) {
|
|
|
- if (info->control.rates[i].idx < 0)
|
|
|
- break;
|
|
|
- nrates++;
|
|
|
- }
|
|
|
-
|
|
|
- /* limit tries to 8/nrates per rate */
|
|
|
- for (i = 0; i < nrates; i++) {
|
|
|
- /*
|
|
|
- * The magic expression here is equivalent to 8/nrates for
|
|
|
- * all values that matter, but avoids division and jumps.
|
|
|
- * Note that nrates can only take the values 1 through 4.
|
|
|
- */
|
|
|
- calculated_tries[i] = min_t(int, ((15 >> nrates) | 1) + 1,
|
|
|
- info->control.rates[i].count);
|
|
|
- nremaining -= calculated_tries[i];
|
|
|
- }
|
|
|
-
|
|
|
- /* if there are tries left, distribute from back to front */
|
|
|
- for (i = nrates - 1; nremaining > 0 && i >= 0; i--) {
|
|
|
- int tmp = info->control.rates[i].count - calculated_tries[i];
|
|
|
-
|
|
|
- if (tmp <= 0)
|
|
|
- continue;
|
|
|
- /* RC requested more tries at this rate */
|
|
|
-
|
|
|
- tmp = min_t(int, tmp, nremaining);
|
|
|
- calculated_tries[i] += tmp;
|
|
|
- nremaining -= tmp;
|
|
|
- }
|
|
|
-
|
|
|
- ridx = 0;
|
|
|
- for (i = 0; i < nrates && ridx < 8; i++) {
|
|
|
- /* we register the rates in perfect order */
|
|
|
- rate = info->control.rates[i].idx;
|
|
|
- if (info->band == IEEE80211_BAND_5GHZ)
|
|
|
- rate += 4;
|
|
|
-
|
|
|
- /* store the count we actually calculated for TX status */
|
|
|
- info->control.rates[i].count = calculated_tries[i];
|
|
|
-
|
|
|
- rc_flags = info->control.rates[i].flags;
|
|
|
- if (rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) {
|
|
|
- rate |= 0x10;
|
|
|
- cts_rate |= 0x10;
|
|
|
- }
|
|
|
- if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
|
|
|
- rate |= 0x40;
|
|
|
- else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
|
|
|
- rate |= 0x20;
|
|
|
- for (j = 0; j < calculated_tries[i] && ridx < 8; j++) {
|
|
|
- txhdr->rateset[ridx] = rate;
|
|
|
- ridx++;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
|
|
|
- hdr_flags |= P54_HDR_FLAG_DATA_OUT_SEQNR;
|
|
|
-
|
|
|
- /* TODO: enable bursting */
|
|
|
- hdr->flags = cpu_to_le16(hdr_flags);
|
|
|
- hdr->tries = ridx;
|
|
|
- txhdr->rts_rate_idx = 0;
|
|
|
- if (info->control.hw_key) {
|
|
|
- txhdr->key_type = p54_convert_algo(info->control.hw_key->alg);
|
|
|
- txhdr->key_len = min((u8)16, info->control.hw_key->keylen);
|
|
|
- memcpy(txhdr->key, info->control.hw_key->key, txhdr->key_len);
|
|
|
- if (info->control.hw_key->alg == ALG_TKIP) {
|
|
|
- if (unlikely(skb_tailroom(skb) < 12))
|
|
|
- goto err;
|
|
|
- /* reserve space for the MIC key */
|
|
|
- len += 8;
|
|
|
- memcpy(skb_put(skb, 8), &(info->control.hw_key->key
|
|
|
- [NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY]), 8);
|
|
|
- }
|
|
|
- /* reserve some space for ICV */
|
|
|
- len += info->control.hw_key->icv_len;
|
|
|
- memset(skb_put(skb, info->control.hw_key->icv_len), 0,
|
|
|
- info->control.hw_key->icv_len);
|
|
|
- } else {
|
|
|
- txhdr->key_type = 0;
|
|
|
- txhdr->key_len = 0;
|
|
|
- }
|
|
|
- txhdr->crypt_offset = crypt_offset;
|
|
|
- txhdr->hw_queue = queue;
|
|
|
- txhdr->backlog = current_queue->len;
|
|
|
- memset(txhdr->durations, 0, sizeof(txhdr->durations));
|
|
|
- txhdr->tx_antenna = ((info->antenna_sel_tx == 0) ?
|
|
|
- 2 : info->antenna_sel_tx - 1) & priv->tx_diversity_mask;
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
|
|
|
- txhdr->longbow.cts_rate = cts_rate;
|
|
|
- txhdr->longbow.output_power = cpu_to_le16(priv->output_power);
|
|
|
- } else {
|
|
|
- txhdr->normal.output_power = priv->output_power;
|
|
|
- txhdr->normal.cts_rate = cts_rate;
|
|
|
- }
|
|
|
- if (padding)
|
|
|
- txhdr->align[0] = padding;
|
|
|
-
|
|
|
- hdr->len = cpu_to_le16(len);
|
|
|
- /* modifies skb->cb and with it info, so must be last! */
|
|
|
- if (unlikely(p54_assign_address(dev, skb, hdr, skb->len + tim_len)))
|
|
|
- goto err;
|
|
|
- priv->tx(dev, skb);
|
|
|
-
|
|
|
- queue_delayed_work(dev->workqueue, &priv->work,
|
|
|
- msecs_to_jiffies(P54_TX_FRAME_LIFETIME));
|
|
|
-
|
|
|
- return NETDEV_TX_OK;
|
|
|
-
|
|
|
- err:
|
|
|
- skb_pull(skb, sizeof(*hdr) + sizeof(*txhdr) + padding);
|
|
|
- current_queue->len--;
|
|
|
- current_queue->count--;
|
|
|
- return NETDEV_TX_BUSY;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_setup_mac(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_setup_mac *setup;
|
|
|
- u16 mode;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*setup),
|
|
|
- P54_CONTROL_TYPE_SETUP, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- setup = (struct p54_setup_mac *) skb_put(skb, sizeof(*setup));
|
|
|
- if (dev->conf.radio_enabled) {
|
|
|
- switch (priv->mode) {
|
|
|
- case NL80211_IFTYPE_STATION:
|
|
|
- mode = P54_FILTER_TYPE_STATION;
|
|
|
- break;
|
|
|
- case NL80211_IFTYPE_AP:
|
|
|
- mode = P54_FILTER_TYPE_AP;
|
|
|
- break;
|
|
|
- case NL80211_IFTYPE_ADHOC:
|
|
|
- case NL80211_IFTYPE_MESH_POINT:
|
|
|
- mode = P54_FILTER_TYPE_IBSS;
|
|
|
- break;
|
|
|
- case NL80211_IFTYPE_MONITOR:
|
|
|
- mode = P54_FILTER_TYPE_PROMISCUOUS;
|
|
|
- break;
|
|
|
- default:
|
|
|
- mode = P54_FILTER_TYPE_HIBERNATE;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * "TRANSPARENT and PROMISCUOUS are mutually exclusive"
|
|
|
- * STSW45X0C LMAC API - page 12
|
|
|
- */
|
|
|
- if (((priv->filter_flags & FIF_PROMISC_IN_BSS) ||
|
|
|
- (priv->filter_flags & FIF_OTHER_BSS)) &&
|
|
|
- (mode != P54_FILTER_TYPE_PROMISCUOUS))
|
|
|
- mode |= P54_FILTER_TYPE_TRANSPARENT;
|
|
|
- } else
|
|
|
- mode = P54_FILTER_TYPE_HIBERNATE;
|
|
|
-
|
|
|
- setup->mac_mode = cpu_to_le16(mode);
|
|
|
- memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN);
|
|
|
- memcpy(setup->bssid, priv->bssid, ETH_ALEN);
|
|
|
- setup->rx_antenna = 2 & priv->rx_diversity_mask; /* automatic */
|
|
|
- setup->rx_align = 0;
|
|
|
- if (priv->fw_var < 0x500) {
|
|
|
- setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
|
|
|
- memset(setup->v1.rts_rates, 0, 8);
|
|
|
- setup->v1.rx_addr = cpu_to_le32(priv->rx_end);
|
|
|
- setup->v1.max_rx = cpu_to_le16(priv->rx_mtu);
|
|
|
- setup->v1.rxhw = cpu_to_le16(priv->rxhw);
|
|
|
- setup->v1.wakeup_timer = cpu_to_le16(priv->wakeup_timer);
|
|
|
- setup->v1.unalloc0 = cpu_to_le16(0);
|
|
|
- } else {
|
|
|
- setup->v2.rx_addr = cpu_to_le32(priv->rx_end);
|
|
|
- setup->v2.max_rx = cpu_to_le16(priv->rx_mtu);
|
|
|
- setup->v2.rxhw = cpu_to_le16(priv->rxhw);
|
|
|
- setup->v2.timer = cpu_to_le16(priv->wakeup_timer);
|
|
|
- setup->v2.truncate = cpu_to_le16(48896);
|
|
|
- setup->v2.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
|
|
|
- setup->v2.sbss_offset = 0;
|
|
|
- setup->v2.mcast_window = 0;
|
|
|
- setup->v2.rx_rssi_threshold = 0;
|
|
|
- setup->v2.rx_ed_threshold = 0;
|
|
|
- setup->v2.ref_clock = cpu_to_le32(644245094);
|
|
|
- setup->v2.lpf_bandwidth = cpu_to_le16(65535);
|
|
|
- setup->v2.osc_start_delay = cpu_to_le16(65535);
|
|
|
- }
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_hdr *hdr;
|
|
|
- struct p54_scan_head *head;
|
|
|
- struct p54_iq_autocal_entry *iq_autocal;
|
|
|
- union p54_scan_body_union *body;
|
|
|
- struct p54_scan_tail_rate *rate;
|
|
|
- struct pda_rssi_cal_entry *rssi;
|
|
|
- unsigned int i;
|
|
|
- void *entry;
|
|
|
- int band = dev->conf.channel->band;
|
|
|
- __le16 freq = cpu_to_le16(dev->conf.channel->center_freq);
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*head) +
|
|
|
- 2 + sizeof(*iq_autocal) + sizeof(*body) +
|
|
|
- sizeof(*rate) + 2 * sizeof(*rssi),
|
|
|
- P54_CONTROL_TYPE_SCAN, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- head = (struct p54_scan_head *) skb_put(skb, sizeof(*head));
|
|
|
- memset(head->scan_params, 0, sizeof(head->scan_params));
|
|
|
- head->mode = cpu_to_le16(mode);
|
|
|
- head->dwell = cpu_to_le16(dwell);
|
|
|
- head->freq = freq;
|
|
|
-
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
|
|
|
- __le16 *pa_power_points = (__le16 *) skb_put(skb, 2);
|
|
|
- *pa_power_points = cpu_to_le16(0x0c);
|
|
|
- }
|
|
|
-
|
|
|
- iq_autocal = (void *) skb_put(skb, sizeof(*iq_autocal));
|
|
|
- for (i = 0; i < priv->iq_autocal_len; i++) {
|
|
|
- if (priv->iq_autocal[i].freq != freq)
|
|
|
- continue;
|
|
|
-
|
|
|
- memcpy(iq_autocal, &priv->iq_autocal[i].params,
|
|
|
- sizeof(struct p54_iq_autocal_entry));
|
|
|
- break;
|
|
|
- }
|
|
|
- if (i == priv->iq_autocal_len)
|
|
|
- goto err;
|
|
|
-
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW)
|
|
|
- body = (void *) skb_put(skb, sizeof(body->longbow));
|
|
|
- else
|
|
|
- body = (void *) skb_put(skb, sizeof(body->normal));
|
|
|
-
|
|
|
- for (i = 0; i < priv->output_limit->entries; i++) {
|
|
|
- __le16 *entry_freq = (void *) (priv->output_limit->data +
|
|
|
- priv->output_limit->entry_size * i);
|
|
|
-
|
|
|
- if (*entry_freq != freq)
|
|
|
- continue;
|
|
|
-
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
|
|
|
- memcpy(&body->longbow.power_limits,
|
|
|
- (void *) entry_freq + sizeof(__le16),
|
|
|
- priv->output_limit->entry_size);
|
|
|
- } else {
|
|
|
- struct pda_channel_output_limit *limits =
|
|
|
- (void *) entry_freq;
|
|
|
-
|
|
|
- body->normal.val_barker = 0x38;
|
|
|
- body->normal.val_bpsk = body->normal.dup_bpsk =
|
|
|
- limits->val_bpsk;
|
|
|
- body->normal.val_qpsk = body->normal.dup_qpsk =
|
|
|
- limits->val_qpsk;
|
|
|
- body->normal.val_16qam = body->normal.dup_16qam =
|
|
|
- limits->val_16qam;
|
|
|
- body->normal.val_64qam = body->normal.dup_64qam =
|
|
|
- limits->val_64qam;
|
|
|
- }
|
|
|
- break;
|
|
|
- }
|
|
|
- if (i == priv->output_limit->entries)
|
|
|
- goto err;
|
|
|
-
|
|
|
- entry = (void *)(priv->curve_data->data + priv->curve_data->offset);
|
|
|
- for (i = 0; i < priv->curve_data->entries; i++) {
|
|
|
- if (*((__le16 *)entry) != freq) {
|
|
|
- entry += priv->curve_data->entry_size;
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
|
|
|
- memcpy(&body->longbow.curve_data,
|
|
|
- (void *) entry + sizeof(__le16),
|
|
|
- priv->curve_data->entry_size);
|
|
|
- } else {
|
|
|
- struct p54_scan_body *chan = &body->normal;
|
|
|
- struct pda_pa_curve_data *curve_data =
|
|
|
- (void *) priv->curve_data->data;
|
|
|
-
|
|
|
- entry += sizeof(__le16);
|
|
|
- chan->pa_points_per_curve = 8;
|
|
|
- memset(chan->curve_data, 0, sizeof(*chan->curve_data));
|
|
|
- memcpy(chan->curve_data, entry,
|
|
|
- sizeof(struct p54_pa_curve_data_sample) *
|
|
|
- min((u8)8, curve_data->points_per_channel));
|
|
|
- }
|
|
|
- break;
|
|
|
- }
|
|
|
- if (i == priv->curve_data->entries)
|
|
|
- goto err;
|
|
|
-
|
|
|
- if ((priv->fw_var >= 0x500) && (priv->fw_var < 0x509)) {
|
|
|
- rate = (void *) skb_put(skb, sizeof(*rate));
|
|
|
- rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
|
|
|
- for (i = 0; i < sizeof(rate->rts_rates); i++)
|
|
|
- rate->rts_rates[i] = i;
|
|
|
- }
|
|
|
-
|
|
|
- rssi = (struct pda_rssi_cal_entry *) skb_put(skb, sizeof(*rssi));
|
|
|
- rssi->mul = cpu_to_le16(priv->rssical_db[band].mul);
|
|
|
- rssi->add = cpu_to_le16(priv->rssical_db[band].add);
|
|
|
- if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
|
|
|
- /* Longbow frontend needs ever more */
|
|
|
- rssi = (void *) skb_put(skb, sizeof(*rssi));
|
|
|
- rssi->mul = cpu_to_le16(priv->rssical_db[band].longbow_unkn);
|
|
|
- rssi->add = cpu_to_le16(priv->rssical_db[band].longbow_unk2);
|
|
|
- }
|
|
|
-
|
|
|
- if (priv->fw_var >= 0x509) {
|
|
|
- rate = (void *) skb_put(skb, sizeof(*rate));
|
|
|
- rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
|
|
|
- for (i = 0; i < sizeof(rate->rts_rates); i++)
|
|
|
- rate->rts_rates[i] = i;
|
|
|
- }
|
|
|
-
|
|
|
- hdr = (struct p54_hdr *) skb->data;
|
|
|
- hdr->len = cpu_to_le16(skb->len - sizeof(*hdr));
|
|
|
-
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-
|
|
|
- err:
|
|
|
- printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy));
|
|
|
- p54_free_skb(dev, skb);
|
|
|
- return -EINVAL;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_set_leds(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_led *led;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led),
|
|
|
- P54_CONTROL_TYPE_LED, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- led = (struct p54_led *) skb_put(skb, sizeof(*led));
|
|
|
- led->flags = cpu_to_le16(0x0003);
|
|
|
- led->mask[0] = led->mask[1] = cpu_to_le16(priv->softled_state);
|
|
|
- led->delay[0] = cpu_to_le16(1);
|
|
|
- led->delay[1] = cpu_to_le16(0);
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop) \
|
|
|
-do { \
|
|
|
- queue.aifs = cpu_to_le16(ai_fs); \
|
|
|
- queue.cwmin = cpu_to_le16(cw_min); \
|
|
|
- queue.cwmax = cpu_to_le16(cw_max); \
|
|
|
- queue.txop = cpu_to_le16(_txop); \
|
|
|
-} while(0)
|
|
|
-
|
|
|
-static int p54_set_edcf(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_edcf *edcf;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf),
|
|
|
- P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- edcf = (struct p54_edcf *)skb_put(skb, sizeof(*edcf));
|
|
|
- if (priv->use_short_slot) {
|
|
|
- edcf->slottime = 9;
|
|
|
- edcf->sifs = 0x10;
|
|
|
- edcf->eofpad = 0x00;
|
|
|
- } else {
|
|
|
- edcf->slottime = 20;
|
|
|
- edcf->sifs = 0x0a;
|
|
|
- edcf->eofpad = 0x06;
|
|
|
- }
|
|
|
- /* (see prism54/isl_oid.h for further details) */
|
|
|
- edcf->frameburst = cpu_to_le16(0);
|
|
|
- edcf->round_trip_delay = cpu_to_le16(0);
|
|
|
- edcf->flags = 0;
|
|
|
- memset(edcf->mapping, 0, sizeof(edcf->mapping));
|
|
|
- memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue));
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_set_ps(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_psm *psm;
|
|
|
- u16 mode;
|
|
|
- int i;
|
|
|
-
|
|
|
- if (dev->conf.flags & IEEE80211_CONF_PS)
|
|
|
- mode = P54_PSM | P54_PSM_BEACON_TIMEOUT | P54_PSM_DTIM |
|
|
|
- P54_PSM_CHECKSUM | P54_PSM_MCBC;
|
|
|
- else
|
|
|
- mode = P54_PSM_CAM;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*psm),
|
|
|
- P54_CONTROL_TYPE_PSM, GFP_ATOMIC);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- psm = (struct p54_psm *)skb_put(skb, sizeof(*psm));
|
|
|
- psm->mode = cpu_to_le16(mode);
|
|
|
- psm->aid = cpu_to_le16(priv->aid);
|
|
|
- for (i = 0; i < ARRAY_SIZE(psm->intervals); i++) {
|
|
|
- psm->intervals[i].interval =
|
|
|
- cpu_to_le16(dev->conf.listen_interval);
|
|
|
- psm->intervals[i].periods = cpu_to_le16(1);
|
|
|
- }
|
|
|
-
|
|
|
- psm->beacon_rssi_skip_max = 200;
|
|
|
- psm->rssi_delta_threshold = 0;
|
|
|
- psm->nr = 10;
|
|
|
- psm->exclude[0] = 0;
|
|
|
-
|
|
|
- priv->tx(dev, skb);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_beacon_tim(struct sk_buff *skb)
|
|
|
-{
|
|
|
- /*
|
|
|
- * the good excuse for this mess is ... the firmware.
|
|
|
- * The dummy TIM MUST be at the end of the beacon frame,
|
|
|
- * because it'll be overwritten!
|
|
|
- */
|
|
|
-
|
|
|
- struct ieee80211_mgmt *mgmt = (void *)skb->data;
|
|
|
- u8 *pos, *end;
|
|
|
-
|
|
|
- if (skb->len <= sizeof(mgmt))
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- pos = (u8 *)mgmt->u.beacon.variable;
|
|
|
- end = skb->data + skb->len;
|
|
|
- while (pos < end) {
|
|
|
- if (pos + 2 + pos[1] > end)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- if (pos[0] == WLAN_EID_TIM) {
|
|
|
- u8 dtim_len = pos[1];
|
|
|
- u8 dtim_period = pos[3];
|
|
|
- u8 *next = pos + 2 + dtim_len;
|
|
|
-
|
|
|
- if (dtim_len < 3)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- memmove(pos, next, end - next);
|
|
|
-
|
|
|
- if (dtim_len > 3)
|
|
|
- skb_trim(skb, skb->len - (dtim_len - 3));
|
|
|
-
|
|
|
- pos = end - (dtim_len + 2);
|
|
|
-
|
|
|
- /* add the dummy at the end */
|
|
|
- pos[0] = WLAN_EID_TIM;
|
|
|
- pos[1] = 3;
|
|
|
- pos[2] = 0;
|
|
|
- pos[3] = dtim_period;
|
|
|
- pos[4] = 0;
|
|
|
- return 0;
|
|
|
- }
|
|
|
- pos += 2 + pos[1];
|
|
|
- }
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_beacon_update(struct ieee80211_hw *dev,
|
|
|
- struct ieee80211_vif *vif)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *beacon;
|
|
|
- int ret;
|
|
|
-
|
|
|
- if (priv->cached_beacon) {
|
|
|
- p54_tx_cancel(dev, priv->cached_beacon);
|
|
|
- /* wait for the last beacon the be freed */
|
|
|
- msleep(10);
|
|
|
- }
|
|
|
-
|
|
|
- beacon = ieee80211_beacon_get(dev, vif);
|
|
|
- if (!beacon)
|
|
|
- return -ENOMEM;
|
|
|
- ret = p54_beacon_tim(beacon);
|
|
|
- if (ret)
|
|
|
- return ret;
|
|
|
- ret = p54_tx(dev, beacon);
|
|
|
- if (ret)
|
|
|
- return ret;
|
|
|
- priv->cached_beacon = beacon;
|
|
|
- priv->tsf_high32 = 0;
|
|
|
- priv->tsf_low32 = 0;
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_start(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int err;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- err = priv->open(dev);
|
|
|
- if (err)
|
|
|
- goto out;
|
|
|
- P54_SET_QUEUE(priv->qos_params[0], 0x0002, 0x0003, 0x0007, 47);
|
|
|
- P54_SET_QUEUE(priv->qos_params[1], 0x0002, 0x0007, 0x000f, 94);
|
|
|
- P54_SET_QUEUE(priv->qos_params[2], 0x0003, 0x000f, 0x03ff, 0);
|
|
|
- P54_SET_QUEUE(priv->qos_params[3], 0x0007, 0x000f, 0x03ff, 0);
|
|
|
- err = p54_set_edcf(dev);
|
|
|
- if (err)
|
|
|
- goto out;
|
|
|
-
|
|
|
- memset(priv->bssid, ~0, ETH_ALEN);
|
|
|
- priv->mode = NL80211_IFTYPE_MONITOR;
|
|
|
- err = p54_setup_mac(dev);
|
|
|
- if (err) {
|
|
|
- priv->mode = NL80211_IFTYPE_UNSPECIFIED;
|
|
|
- goto out;
|
|
|
- }
|
|
|
-
|
|
|
- queue_delayed_work(dev->workqueue, &priv->work, 0);
|
|
|
-
|
|
|
- priv->softled_state = 0;
|
|
|
- err = p54_set_leds(dev);
|
|
|
-
|
|
|
-out:
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_stop(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- priv->mode = NL80211_IFTYPE_UNSPECIFIED;
|
|
|
- priv->softled_state = 0;
|
|
|
- p54_set_leds(dev);
|
|
|
-
|
|
|
-#ifdef CONFIG_P54_LEDS
|
|
|
- cancel_delayed_work_sync(&priv->led_work);
|
|
|
-#endif /* CONFIG_P54_LEDS */
|
|
|
- cancel_delayed_work_sync(&priv->work);
|
|
|
- if (priv->cached_beacon)
|
|
|
- p54_tx_cancel(dev, priv->cached_beacon);
|
|
|
-
|
|
|
- priv->stop(dev);
|
|
|
- while ((skb = skb_dequeue(&priv->tx_queue)))
|
|
|
- kfree_skb(skb);
|
|
|
- priv->cached_beacon = NULL;
|
|
|
- priv->tsf_high32 = priv->tsf_low32 = 0;
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_add_interface(struct ieee80211_hw *dev,
|
|
|
- struct ieee80211_if_init_conf *conf)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- if (priv->mode != NL80211_IFTYPE_MONITOR) {
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return -EOPNOTSUPP;
|
|
|
- }
|
|
|
-
|
|
|
- priv->vif = conf->vif;
|
|
|
-
|
|
|
- switch (conf->type) {
|
|
|
- case NL80211_IFTYPE_STATION:
|
|
|
- case NL80211_IFTYPE_ADHOC:
|
|
|
- case NL80211_IFTYPE_AP:
|
|
|
- case NL80211_IFTYPE_MESH_POINT:
|
|
|
- priv->mode = conf->type;
|
|
|
- break;
|
|
|
- default:
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return -EOPNOTSUPP;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
|
|
|
- p54_setup_mac(dev);
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_remove_interface(struct ieee80211_hw *dev,
|
|
|
- struct ieee80211_if_init_conf *conf)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- priv->vif = NULL;
|
|
|
- if (priv->cached_beacon)
|
|
|
- p54_tx_cancel(dev, priv->cached_beacon);
|
|
|
- priv->mode = NL80211_IFTYPE_MONITOR;
|
|
|
- memset(priv->mac_addr, 0, ETH_ALEN);
|
|
|
- memset(priv->bssid, 0, ETH_ALEN);
|
|
|
- p54_setup_mac(dev);
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_config(struct ieee80211_hw *dev, u32 changed)
|
|
|
-{
|
|
|
- int ret = 0;
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct ieee80211_conf *conf = &dev->conf;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- if (changed & IEEE80211_CONF_CHANGE_POWER)
|
|
|
- priv->output_power = conf->power_level << 2;
|
|
|
- if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
|
|
|
- ret = p54_setup_mac(dev);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- }
|
|
|
- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
|
|
|
- ret = p54_scan(dev, P54_SCAN_EXIT, 0);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- }
|
|
|
- if (changed & IEEE80211_CONF_CHANGE_PS) {
|
|
|
- ret = p54_set_ps(dev);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- }
|
|
|
-
|
|
|
-out:
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_configure_filter(struct ieee80211_hw *dev,
|
|
|
- unsigned int changed_flags,
|
|
|
- unsigned int *total_flags,
|
|
|
- int mc_count, struct dev_mc_list *mclist)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- *total_flags &= FIF_PROMISC_IN_BSS |
|
|
|
- FIF_OTHER_BSS;
|
|
|
-
|
|
|
- priv->filter_flags = *total_flags;
|
|
|
-
|
|
|
- if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS))
|
|
|
- p54_setup_mac(dev);
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue,
|
|
|
- const struct ieee80211_tx_queue_params *params)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int ret;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- if ((params) && !(queue > 4)) {
|
|
|
- P54_SET_QUEUE(priv->qos_params[queue], params->aifs,
|
|
|
- params->cw_min, params->cw_max, params->txop);
|
|
|
- ret = p54_set_edcf(dev);
|
|
|
- } else
|
|
|
- ret = -EINVAL;
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_init_xbow_synth(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_xbow_synth *xbow;
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow),
|
|
|
- P54_CONTROL_TYPE_XBOW_SYNTH_CFG, GFP_KERNEL);
|
|
|
- if (!skb)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- xbow = (struct p54_xbow_synth *)skb_put(skb, sizeof(*xbow));
|
|
|
- xbow->magic1 = cpu_to_le16(0x1);
|
|
|
- xbow->magic2 = cpu_to_le16(0x2);
|
|
|
- xbow->freq = cpu_to_le16(5390);
|
|
|
- memset(xbow->padding, 0, sizeof(xbow->padding));
|
|
|
- priv->tx(dev, skb);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_work(struct work_struct *work)
|
|
|
-{
|
|
|
- struct p54_common *priv = container_of(work, struct p54_common,
|
|
|
- work.work);
|
|
|
- struct ieee80211_hw *dev = priv->hw;
|
|
|
- struct sk_buff *skb;
|
|
|
-
|
|
|
- if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED))
|
|
|
- return ;
|
|
|
-
|
|
|
- /*
|
|
|
- * TODO: walk through tx_queue and do the following tasks
|
|
|
- * 1. initiate bursts.
|
|
|
- * 2. cancel stuck frames / reset the device if necessary.
|
|
|
- */
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL,
|
|
|
- sizeof(struct p54_statistics),
|
|
|
- P54_CONTROL_TYPE_STAT_READBACK, GFP_KERNEL);
|
|
|
- if (!skb)
|
|
|
- return ;
|
|
|
-
|
|
|
- priv->tx(dev, skb);
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_get_stats(struct ieee80211_hw *dev,
|
|
|
- struct ieee80211_low_level_stats *stats)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- memcpy(stats, &priv->stats, sizeof(*stats));
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_get_tx_stats(struct ieee80211_hw *dev,
|
|
|
- struct ieee80211_tx_queue_stats *stats)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- memcpy(stats, &priv->tx_stats[P54_QUEUE_DATA],
|
|
|
- sizeof(stats[0]) * dev->queues);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_bss_info_changed(struct ieee80211_hw *dev,
|
|
|
- struct ieee80211_vif *vif,
|
|
|
- struct ieee80211_bss_conf *info,
|
|
|
- u32 changed)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int ret;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- if (changed & BSS_CHANGED_BSSID) {
|
|
|
- memcpy(priv->bssid, info->bssid, ETH_ALEN);
|
|
|
- ret = p54_setup_mac(dev);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- }
|
|
|
-
|
|
|
- if (changed & BSS_CHANGED_BEACON) {
|
|
|
- ret = p54_scan(dev, P54_SCAN_EXIT, 0);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- ret = p54_setup_mac(dev);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- ret = p54_beacon_update(dev, vif);
|
|
|
- if (ret)
|
|
|
- goto out;
|
|
|
- }
|
|
|
- /* XXX: this mimics having two callbacks... clean up */
|
|
|
- out:
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
-
|
|
|
- if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_BEACON)) {
|
|
|
- priv->use_short_slot = info->use_short_slot;
|
|
|
- p54_set_edcf(dev);
|
|
|
- }
|
|
|
- if (changed & BSS_CHANGED_BASIC_RATES) {
|
|
|
- if (dev->conf.channel->band == IEEE80211_BAND_5GHZ)
|
|
|
- priv->basic_rate_mask = (info->basic_rates << 4);
|
|
|
- else
|
|
|
- priv->basic_rate_mask = info->basic_rates;
|
|
|
- p54_setup_mac(dev);
|
|
|
- if (priv->fw_var >= 0x500)
|
|
|
- p54_scan(dev, P54_SCAN_EXIT, 0);
|
|
|
- }
|
|
|
- if (changed & BSS_CHANGED_ASSOC) {
|
|
|
- if (info->assoc) {
|
|
|
- priv->aid = info->aid;
|
|
|
- priv->wakeup_timer = info->beacon_int *
|
|
|
- info->dtim_period * 5;
|
|
|
- p54_setup_mac(dev);
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd,
|
|
|
- struct ieee80211_vif *vif, struct ieee80211_sta *sta,
|
|
|
- struct ieee80211_key_conf *key)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct sk_buff *skb;
|
|
|
- struct p54_keycache *rxkey;
|
|
|
- int slot, ret = 0;
|
|
|
- u8 algo = 0;
|
|
|
-
|
|
|
- if (modparam_nohwcrypt)
|
|
|
- return -EOPNOTSUPP;
|
|
|
-
|
|
|
- mutex_lock(&priv->conf_mutex);
|
|
|
- if (cmd == SET_KEY) {
|
|
|
- switch (key->alg) {
|
|
|
- case ALG_TKIP:
|
|
|
- if (!(priv->privacy_caps & (BR_DESC_PRIV_CAP_MICHAEL |
|
|
|
- BR_DESC_PRIV_CAP_TKIP))) {
|
|
|
- ret = -EOPNOTSUPP;
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
|
|
|
- algo = P54_CRYPTO_TKIPMICHAEL;
|
|
|
- break;
|
|
|
- case ALG_WEP:
|
|
|
- if (!(priv->privacy_caps & BR_DESC_PRIV_CAP_WEP)) {
|
|
|
- ret = -EOPNOTSUPP;
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
|
|
|
- algo = P54_CRYPTO_WEP;
|
|
|
- break;
|
|
|
- case ALG_CCMP:
|
|
|
- if (!(priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP)) {
|
|
|
- ret = -EOPNOTSUPP;
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
|
|
|
- algo = P54_CRYPTO_AESCCMP;
|
|
|
- break;
|
|
|
- default:
|
|
|
- ret = -EOPNOTSUPP;
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
- slot = bitmap_find_free_region(priv->used_rxkeys,
|
|
|
- priv->rx_keycache_size, 0);
|
|
|
-
|
|
|
- if (slot < 0) {
|
|
|
- /*
|
|
|
- * The device supports the choosen algorithm, but the
|
|
|
- * firmware does not provide enough key slots to store
|
|
|
- * all of them.
|
|
|
- * But encryption offload for outgoing frames is always
|
|
|
- * possible, so we just pretend that the upload was
|
|
|
- * successful and do the decryption in software.
|
|
|
- */
|
|
|
-
|
|
|
- /* mark the key as invalid. */
|
|
|
- key->hw_key_idx = 0xff;
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
- } else {
|
|
|
- slot = key->hw_key_idx;
|
|
|
-
|
|
|
- if (slot == 0xff) {
|
|
|
- /* This key was not uploaded into the rx key cache. */
|
|
|
-
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
-
|
|
|
- bitmap_release_region(priv->used_rxkeys, slot, 0);
|
|
|
- algo = 0;
|
|
|
- }
|
|
|
-
|
|
|
- skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey),
|
|
|
- P54_CONTROL_TYPE_RX_KEYCACHE, GFP_KERNEL);
|
|
|
- if (!skb) {
|
|
|
- bitmap_release_region(priv->used_rxkeys, slot, 0);
|
|
|
- ret = -ENOSPC;
|
|
|
- goto out_unlock;
|
|
|
- }
|
|
|
-
|
|
|
- rxkey = (struct p54_keycache *)skb_put(skb, sizeof(*rxkey));
|
|
|
- rxkey->entry = slot;
|
|
|
- rxkey->key_id = key->keyidx;
|
|
|
- rxkey->key_type = algo;
|
|
|
- if (sta)
|
|
|
- memcpy(rxkey->mac, sta->addr, ETH_ALEN);
|
|
|
- else
|
|
|
- memset(rxkey->mac, ~0, ETH_ALEN);
|
|
|
- if (key->alg != ALG_TKIP) {
|
|
|
- rxkey->key_len = min((u8)16, key->keylen);
|
|
|
- memcpy(rxkey->key, key->key, rxkey->key_len);
|
|
|
- } else {
|
|
|
- rxkey->key_len = 24;
|
|
|
- memcpy(rxkey->key, key->key, 16);
|
|
|
- memcpy(&(rxkey->key[16]), &(key->key
|
|
|
- [NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY]), 8);
|
|
|
- }
|
|
|
-
|
|
|
- priv->tx(dev, skb);
|
|
|
- key->hw_key_idx = slot;
|
|
|
-
|
|
|
-out_unlock:
|
|
|
- mutex_unlock(&priv->conf_mutex);
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-#ifdef CONFIG_P54_LEDS
|
|
|
-static void p54_update_leds(struct work_struct *work)
|
|
|
-{
|
|
|
- struct p54_common *priv = container_of(work, struct p54_common,
|
|
|
- led_work.work);
|
|
|
- int err, i, tmp, blink_delay = 400;
|
|
|
- bool rerun = false;
|
|
|
-
|
|
|
- /* Don't toggle the LED, when the device is down. */
|
|
|
- if (priv->mode == NL80211_IFTYPE_UNSPECIFIED)
|
|
|
- return ;
|
|
|
-
|
|
|
- for (i = 0; i < ARRAY_SIZE(priv->leds); i++)
|
|
|
- if (priv->leds[i].toggled) {
|
|
|
- priv->softled_state |= BIT(i);
|
|
|
-
|
|
|
- tmp = 70 + 200 / (priv->leds[i].toggled);
|
|
|
- if (tmp < blink_delay)
|
|
|
- blink_delay = tmp;
|
|
|
-
|
|
|
- if (priv->leds[i].led_dev.brightness == LED_OFF)
|
|
|
- rerun = true;
|
|
|
-
|
|
|
- priv->leds[i].toggled =
|
|
|
- !!priv->leds[i].led_dev.brightness;
|
|
|
- } else
|
|
|
- priv->softled_state &= ~BIT(i);
|
|
|
-
|
|
|
- err = p54_set_leds(priv->hw);
|
|
|
- if (err && net_ratelimit())
|
|
|
- printk(KERN_ERR "%s: failed to update LEDs.\n",
|
|
|
- wiphy_name(priv->hw->wiphy));
|
|
|
-
|
|
|
- if (rerun)
|
|
|
- queue_delayed_work(priv->hw->workqueue, &priv->led_work,
|
|
|
- msecs_to_jiffies(blink_delay));
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_led_brightness_set(struct led_classdev *led_dev,
|
|
|
- enum led_brightness brightness)
|
|
|
-{
|
|
|
- struct p54_led_dev *led = container_of(led_dev, struct p54_led_dev,
|
|
|
- led_dev);
|
|
|
- struct ieee80211_hw *dev = led->hw_dev;
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
-
|
|
|
- if (priv->mode == NL80211_IFTYPE_UNSPECIFIED)
|
|
|
- return ;
|
|
|
-
|
|
|
- if (brightness) {
|
|
|
- led->toggled++;
|
|
|
- queue_delayed_work(priv->hw->workqueue, &priv->led_work,
|
|
|
- HZ/10);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_register_led(struct ieee80211_hw *dev,
|
|
|
- unsigned int led_index,
|
|
|
- char *name, char *trigger)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- struct p54_led_dev *led = &priv->leds[led_index];
|
|
|
- int err;
|
|
|
-
|
|
|
- if (led->registered)
|
|
|
- return -EEXIST;
|
|
|
-
|
|
|
- snprintf(led->name, sizeof(led->name), "p54-%s::%s",
|
|
|
- wiphy_name(dev->wiphy), name);
|
|
|
- led->hw_dev = dev;
|
|
|
- led->index = led_index;
|
|
|
- led->led_dev.name = led->name;
|
|
|
- led->led_dev.default_trigger = trigger;
|
|
|
- led->led_dev.brightness_set = p54_led_brightness_set;
|
|
|
-
|
|
|
- err = led_classdev_register(wiphy_dev(dev->wiphy), &led->led_dev);
|
|
|
- if (err)
|
|
|
- printk(KERN_ERR "%s: Failed to register %s LED.\n",
|
|
|
- wiphy_name(dev->wiphy), name);
|
|
|
- else
|
|
|
- led->registered = 1;
|
|
|
-
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
-static int p54_init_leds(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int err;
|
|
|
-
|
|
|
- /*
|
|
|
- * TODO:
|
|
|
- * Figure out if the EEPROM contains some hints about the number
|
|
|
- * of available/programmable LEDs of the device.
|
|
|
- */
|
|
|
-
|
|
|
- INIT_DELAYED_WORK(&priv->led_work, p54_update_leds);
|
|
|
-
|
|
|
- err = p54_register_led(dev, 0, "assoc",
|
|
|
- ieee80211_get_assoc_led_name(dev));
|
|
|
- if (err)
|
|
|
- return err;
|
|
|
-
|
|
|
- err = p54_register_led(dev, 1, "tx",
|
|
|
- ieee80211_get_tx_led_name(dev));
|
|
|
- if (err)
|
|
|
- return err;
|
|
|
-
|
|
|
- err = p54_register_led(dev, 2, "rx",
|
|
|
- ieee80211_get_rx_led_name(dev));
|
|
|
- if (err)
|
|
|
- return err;
|
|
|
-
|
|
|
- err = p54_register_led(dev, 3, "radio",
|
|
|
- ieee80211_get_radio_led_name(dev));
|
|
|
- if (err)
|
|
|
- return err;
|
|
|
-
|
|
|
- err = p54_set_leds(dev);
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
-static void p54_unregister_leds(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < ARRAY_SIZE(priv->leds); i++)
|
|
|
- if (priv->leds[i].registered)
|
|
|
- led_classdev_unregister(&priv->leds[i].led_dev);
|
|
|
-}
|
|
|
-#endif /* CONFIG_P54_LEDS */
|
|
|
-
|
|
|
-static const struct ieee80211_ops p54_ops = {
|
|
|
- .tx = p54_tx,
|
|
|
- .start = p54_start,
|
|
|
- .stop = p54_stop,
|
|
|
- .add_interface = p54_add_interface,
|
|
|
- .remove_interface = p54_remove_interface,
|
|
|
- .set_tim = p54_set_tim,
|
|
|
- .sta_notify = p54_sta_notify,
|
|
|
- .set_key = p54_set_key,
|
|
|
- .config = p54_config,
|
|
|
- .bss_info_changed = p54_bss_info_changed,
|
|
|
- .configure_filter = p54_configure_filter,
|
|
|
- .conf_tx = p54_conf_tx,
|
|
|
- .get_stats = p54_get_stats,
|
|
|
- .get_tx_stats = p54_get_tx_stats
|
|
|
-};
|
|
|
-
|
|
|
-struct ieee80211_hw *p54_init_common(size_t priv_data_len)
|
|
|
-{
|
|
|
- struct ieee80211_hw *dev;
|
|
|
- struct p54_common *priv;
|
|
|
-
|
|
|
- dev = ieee80211_alloc_hw(priv_data_len, &p54_ops);
|
|
|
- if (!dev)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- priv = dev->priv;
|
|
|
- priv->hw = dev;
|
|
|
- priv->mode = NL80211_IFTYPE_UNSPECIFIED;
|
|
|
- priv->basic_rate_mask = 0x15f;
|
|
|
- skb_queue_head_init(&priv->tx_queue);
|
|
|
- dev->flags = IEEE80211_HW_RX_INCLUDES_FCS |
|
|
|
- IEEE80211_HW_SIGNAL_DBM |
|
|
|
- IEEE80211_HW_NOISE_DBM;
|
|
|
-
|
|
|
- dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
|
|
|
- BIT(NL80211_IFTYPE_ADHOC) |
|
|
|
- BIT(NL80211_IFTYPE_AP) |
|
|
|
- BIT(NL80211_IFTYPE_MESH_POINT);
|
|
|
-
|
|
|
- dev->channel_change_time = 1000; /* TODO: find actual value */
|
|
|
- priv->tx_stats[P54_QUEUE_BEACON].limit = 1;
|
|
|
- priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1;
|
|
|
- priv->tx_stats[P54_QUEUE_MGMT].limit = 3;
|
|
|
- priv->tx_stats[P54_QUEUE_CAB].limit = 3;
|
|
|
- priv->tx_stats[P54_QUEUE_DATA].limit = 5;
|
|
|
- dev->queues = 1;
|
|
|
- priv->noise = -94;
|
|
|
- /*
|
|
|
- * We support at most 8 tries no matter which rate they're at,
|
|
|
- * we cannot support max_rates * max_rate_tries as we set it
|
|
|
- * here, but setting it correctly to 4/2 or so would limit us
|
|
|
- * artificially if the RC algorithm wants just two rates, so
|
|
|
- * let's say 4/7, we'll redistribute it at TX time, see the
|
|
|
- * comments there.
|
|
|
- */
|
|
|
- dev->max_rates = 4;
|
|
|
- dev->max_rate_tries = 7;
|
|
|
- dev->extra_tx_headroom = sizeof(struct p54_hdr) + 4 +
|
|
|
- sizeof(struct p54_tx_data);
|
|
|
-
|
|
|
- mutex_init(&priv->conf_mutex);
|
|
|
- init_completion(&priv->eeprom_comp);
|
|
|
- INIT_DELAYED_WORK(&priv->work, p54_work);
|
|
|
-
|
|
|
- return dev;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_init_common);
|
|
|
-
|
|
|
-int p54_register_common(struct ieee80211_hw *dev, struct device *pdev)
|
|
|
-{
|
|
|
- int err;
|
|
|
-
|
|
|
- err = ieee80211_register_hw(dev);
|
|
|
- if (err) {
|
|
|
- dev_err(pdev, "Cannot register device (%d).\n", err);
|
|
|
- return err;
|
|
|
- }
|
|
|
-
|
|
|
-#ifdef CONFIG_P54_LEDS
|
|
|
- err = p54_init_leds(dev);
|
|
|
- if (err)
|
|
|
- return err;
|
|
|
-#endif /* CONFIG_P54_LEDS */
|
|
|
-
|
|
|
- dev_info(pdev, "is registered as '%s'\n", wiphy_name(dev->wiphy));
|
|
|
- return 0;
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_register_common);
|
|
|
-
|
|
|
-void p54_free_common(struct ieee80211_hw *dev)
|
|
|
-{
|
|
|
- struct p54_common *priv = dev->priv;
|
|
|
- kfree(priv->iq_autocal);
|
|
|
- kfree(priv->output_limit);
|
|
|
- kfree(priv->curve_data);
|
|
|
- kfree(priv->used_rxkeys);
|
|
|
-
|
|
|
-#ifdef CONFIG_P54_LEDS
|
|
|
- p54_unregister_leds(dev);
|
|
|
-#endif /* CONFIG_P54_LEDS */
|
|
|
-}
|
|
|
-EXPORT_SYMBOL_GPL(p54_free_common);
|