+++ /dev/null
-/*
- * Common code for mac80211 Prism54 drivers
- *
- * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
- * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
- * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
- *
- * Based on:
- * - the islsm (softmac prism54) driver, which is:
- * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
- * - stlc45xx driver
- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/firmware.h>
-#include <linux/etherdevice.h>
-
-#include <net/mac80211.h>
-#ifdef CONFIG_P54_LEDS
-#include <linux/leds.h>
-#endif /* CONFIG_P54_LEDS */
-
-#include "p54.h"
-#include "p54common.h"
-
-static int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
-MODULE_DESCRIPTION("Softmac Prism54 common code");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("prism54common");
-
-static struct ieee80211_rate p54_bgrates[] = {
- { .bitrate = 10, .hw_value = 0, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
- { .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
- { .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
- { .bitrate = 110, .hw_value = 3, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
- { .bitrate = 60, .hw_value = 4, },
- { .bitrate = 90, .hw_value = 5, },
- { .bitrate = 120, .hw_value = 6, },
- { .bitrate = 180, .hw_value = 7, },
- { .bitrate = 240, .hw_value = 8, },
- { .bitrate = 360, .hw_value = 9, },
- { .bitrate = 480, .hw_value = 10, },
- { .bitrate = 540, .hw_value = 11, },
-};
-
-static struct ieee80211_channel p54_bgchannels[] = {
- { .center_freq = 2412, .hw_value = 1, },
- { .center_freq = 2417, .hw_value = 2, },
- { .center_freq = 2422, .hw_value = 3, },
- { .center_freq = 2427, .hw_value = 4, },
- { .center_freq = 2432, .hw_value = 5, },
- { .center_freq = 2437, .hw_value = 6, },
- { .center_freq = 2442, .hw_value = 7, },
- { .center_freq = 2447, .hw_value = 8, },
- { .center_freq = 2452, .hw_value = 9, },
- { .center_freq = 2457, .hw_value = 10, },
- { .center_freq = 2462, .hw_value = 11, },
- { .center_freq = 2467, .hw_value = 12, },
- { .center_freq = 2472, .hw_value = 13, },
- { .center_freq = 2484, .hw_value = 14, },
-};
-
-static struct ieee80211_supported_band band_2GHz = {
- .channels = p54_bgchannels,
- .n_channels = ARRAY_SIZE(p54_bgchannels),
- .bitrates = p54_bgrates,
- .n_bitrates = ARRAY_SIZE(p54_bgrates),
-};
-
-static struct ieee80211_rate p54_arates[] = {
- { .bitrate = 60, .hw_value = 4, },
- { .bitrate = 90, .hw_value = 5, },
- { .bitrate = 120, .hw_value = 6, },
- { .bitrate = 180, .hw_value = 7, },
- { .bitrate = 240, .hw_value = 8, },
- { .bitrate = 360, .hw_value = 9, },
- { .bitrate = 480, .hw_value = 10, },
- { .bitrate = 540, .hw_value = 11, },
-};
-
-static struct ieee80211_channel p54_achannels[] = {
- { .center_freq = 4920 },
- { .center_freq = 4940 },
- { .center_freq = 4960 },
- { .center_freq = 4980 },
- { .center_freq = 5040 },
- { .center_freq = 5060 },
- { .center_freq = 5080 },
- { .center_freq = 5170 },
- { .center_freq = 5180 },
- { .center_freq = 5190 },
- { .center_freq = 5200 },
- { .center_freq = 5210 },
- { .center_freq = 5220 },
- { .center_freq = 5230 },
- { .center_freq = 5240 },
- { .center_freq = 5260 },
- { .center_freq = 5280 },
- { .center_freq = 5300 },
- { .center_freq = 5320 },
- { .center_freq = 5500 },
- { .center_freq = 5520 },
- { .center_freq = 5540 },
- { .center_freq = 5560 },
- { .center_freq = 5580 },
- { .center_freq = 5600 },
- { .center_freq = 5620 },
- { .center_freq = 5640 },
- { .center_freq = 5660 },
- { .center_freq = 5680 },
- { .center_freq = 5700 },
- { .center_freq = 5745 },
- { .center_freq = 5765 },
- { .center_freq = 5785 },
- { .center_freq = 5805 },
- { .center_freq = 5825 },
-};
-
-static struct ieee80211_supported_band band_5GHz = {
- .channels = p54_achannels,
- .n_channels = ARRAY_SIZE(p54_achannels),
- .bitrates = p54_arates,
- .n_bitrates = ARRAY_SIZE(p54_arates),
-};
-
-int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
-{
- struct p54_common *priv = dev->priv;
- struct bootrec_exp_if *exp_if;
- struct bootrec *bootrec;
- u32 *data = (u32 *)fw->data;
- u32 *end_data = (u32 *)fw->data + (fw->size >> 2);
- u8 *fw_version = NULL;
- size_t len;
- int i;
- int maxlen;
-
- if (priv->rx_start)
- return 0;
-
- while (data < end_data && *data)
- data++;
-
- while (data < end_data && !*data)
- data++;
-
- bootrec = (struct bootrec *) data;
-
- while (bootrec->data <= end_data &&
- (bootrec->data + (len = le32_to_cpu(bootrec->len))) <= end_data) {
- u32 code = le32_to_cpu(bootrec->code);
- switch (code) {
- case BR_CODE_COMPONENT_ID:
- priv->fw_interface = be32_to_cpup((__be32 *)
- bootrec->data);
- switch (priv->fw_interface) {
- case FW_LM86:
- case FW_LM20:
- case FW_LM87: {
- char *iftype = (char *)bootrec->data;
- printk(KERN_INFO "%s: p54 detected a LM%c%c "
- "firmware\n",
- wiphy_name(dev->wiphy),
- iftype[2], iftype[3]);
- break;
- }
- case FW_FMAC:
- default:
- printk(KERN_ERR "%s: unsupported firmware\n",
- wiphy_name(dev->wiphy));
- return -ENODEV;
- }
- break;
- case BR_CODE_COMPONENT_VERSION:
- /* 24 bytes should be enough for all firmwares */
- if (strnlen((unsigned char*)bootrec->data, 24) < 24)
- fw_version = (unsigned char*)bootrec->data;
- break;
- case BR_CODE_DESCR: {
- struct bootrec_desc *desc =
- (struct bootrec_desc *)bootrec->data;
- priv->rx_start = le32_to_cpu(desc->rx_start);
- /* FIXME add sanity checking */
- priv->rx_end = le32_to_cpu(desc->rx_end) - 0x3500;
- priv->headroom = desc->headroom;
- priv->tailroom = desc->tailroom;
- priv->privacy_caps = desc->privacy_caps;
- priv->rx_keycache_size = desc->rx_keycache_size;
- if (le32_to_cpu(bootrec->len) == 11)
- priv->rx_mtu = le16_to_cpu(desc->rx_mtu);
- else
- priv->rx_mtu = (size_t)
- 0x620 - priv->tx_hdr_len;
- maxlen = priv->tx_hdr_len + /* USB devices */
- sizeof(struct p54_rx_data) +
- 4 + /* rx alignment */
- IEEE80211_MAX_FRAG_THRESHOLD;
- if (priv->rx_mtu > maxlen && PAGE_SIZE == 4096) {
- printk(KERN_INFO "p54: rx_mtu reduced from %d "
- "to %d\n", priv->rx_mtu,
- maxlen);
- priv->rx_mtu = maxlen;
- }
- break;
- }
- case BR_CODE_EXPOSED_IF:
- exp_if = (struct bootrec_exp_if *) bootrec->data;
- for (i = 0; i < (len * sizeof(*exp_if) / 4); i++)
- if (exp_if[i].if_id == cpu_to_le16(0x1a))
- priv->fw_var = le16_to_cpu(exp_if[i].variant);
- break;
- case BR_CODE_DEPENDENT_IF:
- break;
- case BR_CODE_END_OF_BRA:
- case LEGACY_BR_CODE_END_OF_BRA:
- end_data = NULL;
- break;
- default:
- break;
- }
- bootrec = (struct bootrec *)&bootrec->data[len];
- }
-
- if (fw_version)
- printk(KERN_INFO "%s: FW rev %s - Softmac protocol %x.%x\n",
- wiphy_name(dev->wiphy), fw_version,
- priv->fw_var >> 8, priv->fw_var & 0xff);
-
- if (priv->fw_var < 0x500)
- printk(KERN_INFO "%s: you are using an obsolete firmware. "
- "visit http://wireless.kernel.org/en/users/Drivers/p54 "
- "and grab one for \"kernel >= 2.6.28\"!\n",
- wiphy_name(dev->wiphy));
-
- if (priv->fw_var >= 0x300) {
- /* Firmware supports QoS, use it! */
- priv->tx_stats[P54_QUEUE_AC_VO].limit = 3;
- priv->tx_stats[P54_QUEUE_AC_VI].limit = 4;
- priv->tx_stats[P54_QUEUE_AC_BE].limit = 3;
- priv->tx_stats[P54_QUEUE_AC_BK].limit = 2;
- dev->queues = P54_QUEUE_AC_NUM;
- }
-
- if (!modparam_nohwcrypt) {
- printk(KERN_INFO "%s: cryptographic accelerator "
- "WEP:%s, TKIP:%s, CCMP:%s\n",
- wiphy_name(dev->wiphy),
- (priv->privacy_caps & BR_DESC_PRIV_CAP_WEP) ? "YES" :
- "no", (priv->privacy_caps & (BR_DESC_PRIV_CAP_TKIP |
- BR_DESC_PRIV_CAP_MICHAEL)) ? "YES" : "no",
- (priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP) ?
- "YES" : "no");
-
- if (priv->rx_keycache_size) {
- /*
- * NOTE:
- *
- * The firmware provides at most 255 (0 - 254) slots
- * for keys which are then used to offload decryption.
- * As a result the 255 entry (aka 0xff) can be used
- * safely by the driver to mark keys that didn't fit
- * into the full cache. This trick saves us from
- * keeping a extra list for uploaded keys.
- */
-
- priv->used_rxkeys = kzalloc(BITS_TO_LONGS(
- priv->rx_keycache_size), GFP_KERNEL);
-
- if (!priv->used_rxkeys)
- return -ENOMEM;
- }
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(p54_parse_firmware);
-
-static int p54_convert_rev0(struct ieee80211_hw *dev,
- struct pda_pa_curve_data *curve_data)
-{
- struct p54_common *priv = dev->priv;
- struct p54_pa_curve_data_sample *dst;
- struct pda_pa_curve_data_sample_rev0 *src;
- size_t cd_len = sizeof(*curve_data) +
- (curve_data->points_per_channel*sizeof(*dst) + 2) *
- curve_data->channels;
- unsigned int i, j;
- void *source, *target;
-
- priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len,
- GFP_KERNEL);
- if (!priv->curve_data)
- return -ENOMEM;
-
- priv->curve_data->entries = curve_data->channels;
- priv->curve_data->entry_size = sizeof(__le16) +
- sizeof(*dst) * curve_data->points_per_channel;
- priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data);
- priv->curve_data->len = cd_len;
- memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data));
- source = curve_data->data;
- 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++) {
- dst = target;
- src = source;
-
- dst->rf_power = src->rf_power;
- dst->pa_detector = src->pa_detector;
- dst->data_64qam = src->pcv;
- /* "invent" the points for the other modulations */
-#define SUB(x,y) (u8)((x) - (y)) > (x) ? 0 : (x) - (y)
- dst->data_16qam = SUB(src->pcv, 12);
- dst->data_qpsk = SUB(dst->data_16qam, 12);
- dst->data_bpsk = SUB(dst->data_qpsk, 12);
- dst->data_barker = SUB(dst->data_bpsk, 14);
-#undef SUB
- target += sizeof(*dst);
- source += sizeof(*src);
- }
- }
-
- return 0;
-}
-
-static int p54_convert_rev1(struct ieee80211_hw *dev,
- struct pda_pa_curve_data *curve_data)
-{
- struct p54_common *priv = dev->priv;
- struct p54_pa_curve_data_sample *dst;
- struct pda_pa_curve_data_sample_rev1 *src;
- size_t cd_len = sizeof(*curve_data) +
- (curve_data->points_per_channel*sizeof(*dst) + 2) *
- curve_data->channels;
- unsigned int i, j;
- void *source, *target;
-
- priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data),
- GFP_KERNEL);
- if (!priv->curve_data)
- return -ENOMEM;
-
- priv->curve_data->entries = curve_data->channels;
- priv->curve_data->entry_size = sizeof(__le16) +
- sizeof(*dst) * curve_data->points_per_channel;
- priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data);
- priv->curve_data->len = cd_len;
- memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data));
- source = curve_data->data;
- 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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff