--- /dev/null
+/*
+ * Firmware I/O code for mac80211 Prism54 drivers
+ *
+ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ * Copyright (c) 2007-2009, 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/slab.h>
+#include <linux/firmware.h>
+#include <linux/etherdevice.h>
+#include <linux/export.h>
+
+#include <net/mac80211.h>
+
+#include "p54.h"
+#include "eeprom.h"
+#include "lmac.h"
+
+int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
+{
+ struct p54_common *priv = dev->priv;
+ struct 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;
+ wiphy_info(priv->hw->wiphy,
+ "p54 detected a LM%c%c firmware\n",
+ iftype[2], iftype[3]);
+ break;
+ }
+ case FW_FMAC:
+ default:
+ wiphy_err(priv->hw->wiphy,
+ "unsupported firmware\n");
+ 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 exp_if *) bootrec->data;
+ for (i = 0; i < (len * sizeof(*exp_if) / 4); i++)
+ if (exp_if[i].if_id == cpu_to_le16(IF_ID_LMAC))
+ 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) {
+ wiphy_info(priv->hw->wiphy,
+ "FW rev %s - Softmac protocol %x.%x\n",
+ fw_version, priv->fw_var >> 8, priv->fw_var & 0xff);
+ snprintf(dev->wiphy->fw_version, sizeof(dev->wiphy->fw_version),
+ "%s - %x.%x", fw_version,
+ priv->fw_var >> 8, priv->fw_var & 0xff);
+ }
+
+ if (priv->fw_var < 0x500)
+ wiphy_info(priv->hw->wiphy,
+ "you are using an obsolete firmware. "
+ "visit http://wireless.kernel.org/en/users/Drivers/p54 "
+ "and grab one for \"kernel >= 2.6.28\"!\n");
+
+ if (priv->fw_var >= 0x300) {
+ /* Firmware supports QoS, use it! */
+
+ if (priv->fw_var >= 0x500) {
+ priv->tx_stats[P54_QUEUE_AC_VO].limit = 16;
+ priv->tx_stats[P54_QUEUE_AC_VI].limit = 16;
+ priv->tx_stats[P54_QUEUE_AC_BE].limit = 16;
+ priv->tx_stats[P54_QUEUE_AC_BK].limit = 16;
+ } else {
+ 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;
+ }
+ priv->hw->queues = P54_QUEUE_AC_NUM;
+ }
+
+ wiphy_info(priv->hw->wiphy,
+ "cryptographic accelerator WEP:%s, TKIP:%s, CCMP:%s\n",
+ (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 struct sk_buff *p54_alloc_skb(struct p54_common *priv, u16 hdr_flags,
+ u16 payload_len, u16 type, gfp_t memflags)
+{
+ 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;
+
+ if (unlikely(skb_queue_len(&priv->tx_pending) > 64))
+ 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;
+ return skb;
+}
+
+int p54_download_eeprom(struct p54_common *priv, void *buf,
+ u16 offset, u16 len)
+{
+ struct p54_eeprom_lm86 *eeprom_hdr;
+ struct sk_buff *skb;
+ size_t eeprom_hdr_size;
+ int ret = 0;
+ long timeout;
+
+ if (priv->fw_var >= 0x509)
+ eeprom_hdr_size = sizeof(*eeprom_hdr);
+ else
+ eeprom_hdr_size = 0x4;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL, eeprom_hdr_size +
+ len, P54_CONTROL_TYPE_EEPROM_READBACK,
+ GFP_KERNEL);
+ if (unlikely(!skb))
+ return -ENOMEM;
+
+ mutex_lock(&priv->eeprom_mutex);
+ priv->eeprom = buf;
+ eeprom_hdr = (struct p54_eeprom_lm86 *) skb_put(skb,
+ eeprom_hdr_size + len);
+
+ if (priv->fw_var < 0x509) {
+ eeprom_hdr->v1.offset = cpu_to_le16(offset);
+ eeprom_hdr->v1.len = cpu_to_le16(len);
+ } else {
+ eeprom_hdr->v2.offset = cpu_to_le32(offset);
+ eeprom_hdr->v2.len = cpu_to_le16(len);
+ eeprom_hdr->v2.magic2 = 0xf;
+ memcpy(eeprom_hdr->v2.magic, (const char *)"LOCK", 4);
+ }
+
+ p54_tx(priv, skb);
+
+ timeout = wait_for_completion_interruptible_timeout(
+ &priv->eeprom_comp, HZ);
+ if (timeout <= 0) {
+ wiphy_err(priv->hw->wiphy,
+ "device does not respond or signal received!\n");
+ ret = -EBUSY;
+ }
+ priv->eeprom = NULL;
+ mutex_unlock(&priv->eeprom_mutex);
+ return ret;
+}
+
+int p54_update_beacon_tim(struct p54_common *priv, u16 aid, bool set)
+{
+ struct sk_buff *skb;
+ struct p54_tim *tim;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*tim),
+ P54_CONTROL_TYPE_TIM, GFP_ATOMIC);
+ if (unlikely(!skb))
+ return -ENOMEM;
+
+ tim = (struct p54_tim *) skb_put(skb, sizeof(*tim));
+ tim->count = 1;
+ tim->entry[0] = cpu_to_le16(set ? (aid | 0x8000) : aid);
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_sta_unlock(struct p54_common *priv, u8 *addr)
+{
+ struct sk_buff *skb;
+ struct p54_sta_unlock *sta;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*sta),
+ P54_CONTROL_TYPE_PSM_STA_UNLOCK, GFP_ATOMIC);
+ if (unlikely(!skb))
+ return -ENOMEM;
+
+ sta = (struct p54_sta_unlock *)skb_put(skb, sizeof(*sta));
+ memcpy(sta->addr, addr, ETH_ALEN);
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_tx_cancel(struct p54_common *priv, __le32 req_id)
+{
+ struct sk_buff *skb;
+ struct p54_txcancel *cancel;
+ u32 _req_id = le32_to_cpu(req_id);
+
+ if (unlikely(_req_id < priv->rx_start || _req_id > priv->rx_end))
+ return -EINVAL;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*cancel),
+ P54_CONTROL_TYPE_TXCANCEL, GFP_ATOMIC);
+ if (unlikely(!skb))
+ return -ENOMEM;
+
+ cancel = (struct p54_txcancel *)skb_put(skb, sizeof(*cancel));
+ cancel->req_id = req_id;
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_setup_mac(struct p54_common *priv)
+{
+ struct sk_buff *skb;
+ struct p54_setup_mac *setup;
+ u16 mode;
+
+ skb = p54_alloc_skb(priv, 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 (!(priv->hw->conf.flags & IEEE80211_CONF_IDLE)) {
+ 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);
+ }
+ p54_tx(priv, skb);
+ priv->phy_idle = mode == P54_FILTER_TYPE_HIBERNATE;
+ return 0;
+}
+
+int p54_scan(struct p54_common *priv, u16 mode, u16 dwell)
+{
+ 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;
+ struct p54_rssi_db_entry *rssi_data;
+ unsigned int i;
+ void *entry;
+ __le16 freq = cpu_to_le16(priv->hw->conf.chandef.chan->center_freq);
+
+ skb = p54_alloc_skb(priv, 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,
+ 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_data = p54_rssi_find(priv, le16_to_cpu(freq));
+ rssi->mul = cpu_to_le16(rssi_data->mul);
+ rssi->add = cpu_to_le16(rssi_data->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(rssi_data->longbow_unkn);
+ rssi->add = cpu_to_le16(rssi_data->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));
+
+ p54_tx(priv, skb);
+ priv->cur_rssi = rssi_data;
+ return 0;
+
+err:
+ wiphy_err(priv->hw->wiphy, "frequency change to channel %d failed.\n",
+ ieee80211_frequency_to_channel(
+ priv->hw->conf.chandef.chan->center_freq));
+
+ dev_kfree_skb_any(skb);
+ return -EINVAL;
+}
+
+int p54_set_leds(struct p54_common *priv)
+{
+ struct sk_buff *skb;
+ struct p54_led *led;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led),
+ P54_CONTROL_TYPE_LED, GFP_ATOMIC);
+ if (unlikely(!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);
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_set_edcf(struct p54_common *priv)
+{
+ struct sk_buff *skb;
+ struct p54_edcf *edcf;
+ u8 rtd;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf),
+ P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC);
+ if (unlikely(!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;
+ }
+ /*
+ * calculate the extra round trip delay according to the
+ * formula from 802.11-2007 17.3.8.6.
+ */
+ rtd = 3 * priv->coverage_class;
+ edcf->slottime += rtd;
+ edcf->round_trip_delay = cpu_to_le16(rtd);
+ /* (see prism54/isl_oid.h for further details) */
+ edcf->frameburst = cpu_to_le16(0);
+ edcf->flags = 0;
+ memset(edcf->mapping, 0, sizeof(edcf->mapping));
+ memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue));
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_set_ps(struct p54_common *priv)
+{
+ struct sk_buff *skb;
+ struct p54_psm *psm;
+ unsigned int i;
+ u16 mode;
+
+ if (priv->hw->conf.flags & IEEE80211_CONF_PS &&
+ !priv->powersave_override)
+ 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(priv, 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(priv->hw->conf.listen_interval);
+ psm->intervals[i].periods = cpu_to_le16(1);
+ }
+
+ psm->beacon_rssi_skip_max = 200;
+ psm->rssi_delta_threshold = 0;
+ psm->nr = 1;
+ psm->exclude[0] = WLAN_EID_TIM;
+
+ p54_tx(priv, skb);
+ priv->phy_ps = mode != P54_PSM_CAM;
+ return 0;
+}
+
+int p54_init_xbow_synth(struct p54_common *priv)
+{
+ struct sk_buff *skb;
+ struct p54_xbow_synth *xbow;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow),
+ P54_CONTROL_TYPE_XBOW_SYNTH_CFG, GFP_KERNEL);
+ if (unlikely(!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));
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_upload_key(struct p54_common *priv, u8 algo, int slot, u8 idx, u8 len,
+ u8 *addr, u8* key)
+{
+ struct sk_buff *skb;
+ struct p54_keycache *rxkey;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey),
+ P54_CONTROL_TYPE_RX_KEYCACHE, GFP_KERNEL);
+ if (unlikely(!skb))
+ return -ENOMEM;
+
+ rxkey = (struct p54_keycache *)skb_put(skb, sizeof(*rxkey));
+ rxkey->entry = slot;
+ rxkey->key_id = idx;
+ rxkey->key_type = algo;
+ if (addr)
+ memcpy(rxkey->mac, addr, ETH_ALEN);
+ else
+ eth_broadcast_addr(rxkey->mac);
+
+ switch (algo) {
+ case P54_CRYPTO_WEP:
+ case P54_CRYPTO_AESCCMP:
+ rxkey->key_len = min_t(u8, 16, len);
+ memcpy(rxkey->key, key, rxkey->key_len);
+ break;
+
+ case P54_CRYPTO_TKIPMICHAEL:
+ rxkey->key_len = 24;
+ memcpy(rxkey->key, key, 16);
+ memcpy(&(rxkey->key[16]), &(key
+ [NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY]), 8);
+ break;
+
+ case P54_CRYPTO_NONE:
+ rxkey->key_len = 0;
+ memset(rxkey->key, 0, sizeof(rxkey->key));
+ break;
+
+ default:
+ wiphy_err(priv->hw->wiphy,
+ "invalid cryptographic algorithm: %d\n", algo);
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_fetch_statistics(struct p54_common *priv)
+{
+ struct ieee80211_tx_info *txinfo;
+ struct p54_tx_info *p54info;
+ struct sk_buff *skb;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL,
+ sizeof(struct p54_statistics),
+ P54_CONTROL_TYPE_STAT_READBACK, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ /*
+ * The statistic feedback causes some extra headaches here, if it
+ * is not to crash/corrupt the firmware data structures.
+ *
+ * Unlike all other Control Get OIDs we can not use helpers like
+ * skb_put to reserve the space for the data we're requesting.
+ * Instead the extra frame length -which will hold the results later-
+ * will only be told to the p54_assign_address, so that following
+ * frames won't be placed into the allegedly empty area.
+ */
+ txinfo = IEEE80211_SKB_CB(skb);
+ p54info = (void *) txinfo->rate_driver_data;
+ p54info->extra_len = sizeof(struct p54_statistics);
+
+ p54_tx(priv, skb);
+ return 0;
+}
+
+int p54_set_groupfilter(struct p54_common *priv)
+{
+ struct p54_group_address_table *grp;
+ struct sk_buff *skb;
+ bool on = false;
+
+ skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*grp),
+ P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ grp = (struct p54_group_address_table *)skb_put(skb, sizeof(*grp));
+
+ on = !(priv->filter_flags & FIF_ALLMULTI) &&
+ (priv->mc_maclist_num > 0 &&
+ priv->mc_maclist_num <= MC_FILTER_ADDRESS_NUM);
+
+ if (on) {
+ grp->filter_enable = cpu_to_le16(1);
+ grp->num_address = cpu_to_le16(priv->mc_maclist_num);
+ memcpy(grp->mac_list, priv->mc_maclist, sizeof(grp->mac_list));
+ } else {
+ grp->filter_enable = cpu_to_le16(0);
+ grp->num_address = cpu_to_le16(0);
+ memset(grp->mac_list, 0, sizeof(grp->mac_list));
+ }
+
+ p54_tx(priv, skb);
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff