@@ -334,15 +334,6 @@ config MAC80211_HWSIM
To compile this driver as a module, choose M here: the module will be
called mac80211_hwsim. If unsure, say N.
-config MWL8K
- tristate "Marvell 88W8xxx PCI/PCIe Wireless support"
- depends on MAC80211 && PCI && EXPERIMENTAL
- ---help---
- This driver supports Marvell TOPDOG 802.11 wireless cards.
-
- To compile this driver as a module, choose M here: the module
- will be called mwl8k. If unsure, say N.
-
source "drivers/net/wireless/ath/Kconfig"
source "drivers/net/wireless/b43/Kconfig"
source "drivers/net/wireless/b43legacy/Kconfig"
@@ -351,6 +342,7 @@ source "drivers/net/wireless/ipw2x00/Kconfig"
source "drivers/net/wireless/iwlwifi/Kconfig"
source "drivers/net/wireless/iwmc3200wifi/Kconfig"
source "drivers/net/wireless/libertas/Kconfig"
+source "drivers/net/wireless/mwl8k/Kconfig"
source "drivers/net/wireless/orinoco/Kconfig"
source "drivers/net/wireless/p54/Kconfig"
source "drivers/net/wireless/rt2x00/Kconfig"
@@ -38,7 +38,7 @@ obj-$(CONFIG_LIBERTAS_THINFIRM) += libertas_tf/
obj-$(CONFIG_ADM8211) += adm8211.o
-obj-$(CONFIG_MWL8K) += mwl8k.o
+obj-$(CONFIG_MWL8K) += mwl8k/
obj-$(CONFIG_IWLWIFI) += iwlwifi/
obj-$(CONFIG_RT2X00) += rt2x00/
deleted file mode 100644
@@ -1,3673 +0,0 @@
-/*
- * drivers/net/wireless/mwl8k.c
- * Driver for Marvell TOPDOG 802.11 Wireless cards
- *
- * Copyright (C) 2008-2009 Marvell Semiconductor Inc.
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/completion.h>
-#include <linux/etherdevice.h>
-#include <net/mac80211.h>
-#include <linux/moduleparam.h>
-#include <linux/firmware.h>
-#include <linux/workqueue.h>
-
-#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver"
-#define MWL8K_NAME KBUILD_MODNAME
-#define MWL8K_VERSION "0.10"
-
-/* Register definitions */
-#define MWL8K_HIU_GEN_PTR 0x00000c10
-#define MWL8K_MODE_STA 0x0000005a
-#define MWL8K_MODE_AP 0x000000a5
-#define MWL8K_HIU_INT_CODE 0x00000c14
-#define MWL8K_FWSTA_READY 0xf0f1f2f4
-#define MWL8K_FWAP_READY 0xf1f2f4a5
-#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005
-#define MWL8K_HIU_SCRATCH 0x00000c40
-
-/* Host->device communications */
-#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18
-#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c
-#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20
-#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24
-#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28
-#define MWL8K_H2A_INT_DUMMY (1 << 20)
-#define MWL8K_H2A_INT_RESET (1 << 15)
-#define MWL8K_H2A_INT_DOORBELL (1 << 1)
-#define MWL8K_H2A_INT_PPA_READY (1 << 0)
-
-/* Device->host communications */
-#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c
-#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30
-#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34
-#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38
-#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c
-#define MWL8K_A2H_INT_DUMMY (1 << 20)
-#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11)
-#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10)
-#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7)
-#define MWL8K_A2H_INT_RADIO_ON (1 << 6)
-#define MWL8K_A2H_INT_RADIO_OFF (1 << 5)
-#define MWL8K_A2H_INT_MAC_EVENT (1 << 3)
-#define MWL8K_A2H_INT_OPC_DONE (1 << 2)
-#define MWL8K_A2H_INT_RX_READY (1 << 1)
-#define MWL8K_A2H_INT_TX_DONE (1 << 0)
-
-#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \
- MWL8K_A2H_INT_CHNL_SWITCHED | \
- MWL8K_A2H_INT_QUEUE_EMPTY | \
- MWL8K_A2H_INT_RADAR_DETECT | \
- MWL8K_A2H_INT_RADIO_ON | \
- MWL8K_A2H_INT_RADIO_OFF | \
- MWL8K_A2H_INT_MAC_EVENT | \
- MWL8K_A2H_INT_OPC_DONE | \
- MWL8K_A2H_INT_RX_READY | \
- MWL8K_A2H_INT_TX_DONE)
-
-#define MWL8K_RX_QUEUES 1
-#define MWL8K_TX_QUEUES 4
-
-struct rxd_ops {
- int rxd_size;
- void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr);
- void (*rxd_refill)(void *rxd, dma_addr_t addr, int len);
- int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status);
-};
-
-struct mwl8k_device_info {
- char *part_name;
- char *helper_image;
- char *fw_image;
- struct rxd_ops *rxd_ops;
- u16 modes;
-};
-
-struct mwl8k_rx_queue {
- int rxd_count;
-
- /* hw receives here */
- int head;
-
- /* refill descs here */
- int tail;
-
- void *rxd;
- dma_addr_t rxd_dma;
- struct {
- struct sk_buff *skb;
- DECLARE_PCI_UNMAP_ADDR(dma)
- } *buf;
-};
-
-struct mwl8k_tx_queue {
- /* hw transmits here */
- int head;
-
- /* sw appends here */
- int tail;
-
- struct ieee80211_tx_queue_stats stats;
- struct mwl8k_tx_desc *txd;
- dma_addr_t txd_dma;
- struct sk_buff **skb;
-};
-
-/* Pointers to the firmware data and meta information about it. */
-struct mwl8k_firmware {
- /* Boot helper code */
- struct firmware *helper;
-
- /* Microcode */
- struct firmware *ucode;
-};
-
-struct mwl8k_priv {
- void __iomem *sram;
- void __iomem *regs;
- struct ieee80211_hw *hw;
-
- struct pci_dev *pdev;
-
- struct mwl8k_device_info *device_info;
- bool ap_fw;
- struct rxd_ops *rxd_ops;
-
- /* firmware files and meta data */
- struct mwl8k_firmware fw;
-
- /* firmware access */
- struct mutex fw_mutex;
- struct task_struct *fw_mutex_owner;
- int fw_mutex_depth;
- struct completion *hostcmd_wait;
-
- /* lock held over TX and TX reap */
- spinlock_t tx_lock;
-
- /* TX quiesce completion, protected by fw_mutex and tx_lock */
- struct completion *tx_wait;
-
- struct ieee80211_vif *vif;
-
- struct ieee80211_channel *current_channel;
-
- /* power management status cookie from firmware */
- u32 *cookie;
- dma_addr_t cookie_dma;
-
- u16 num_mcaddrs;
- u8 hw_rev;
- u32 fw_rev;
-
- /*
- * Running count of TX packets in flight, to avoid
- * iterating over the transmit rings each time.
- */
- int pending_tx_pkts;
-
- struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES];
- struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES];
-
- /* PHY parameters */
- struct ieee80211_supported_band band;
- struct ieee80211_channel channels[14];
- struct ieee80211_rate rates[13];
-
- bool radio_on;
- bool radio_short_preamble;
- bool sniffer_enabled;
- bool wmm_enabled;
-
- /* XXX need to convert this to handle multiple interfaces */
- bool capture_beacon;
- u8 capture_bssid[ETH_ALEN];
- struct sk_buff *beacon_skb;
-
- /*
- * This FJ worker has to be global as it is scheduled from the
- * RX handler. At this point we don't know which interface it
- * belongs to until the list of bssids waiting to complete join
- * is checked.
- */
- struct work_struct finalize_join_worker;
-
- /* Tasklet to reclaim TX descriptors and buffers after tx */
- struct tasklet_struct tx_reclaim_task;
-};
-
-/* Per interface specific private data */
-struct mwl8k_vif {
- /* backpointer to parent config block */
- struct mwl8k_priv *priv;
-
- /* BSS config of AP or IBSS from mac80211*/
- struct ieee80211_bss_conf bss_info;
-
- /* BSSID of AP or IBSS */
- u8 bssid[ETH_ALEN];
- u8 mac_addr[ETH_ALEN];
-
- /*
- * Subset of supported legacy rates.
- * Intersection of AP and STA supported rates.
- */
- struct ieee80211_rate legacy_rates[13];
-
- /* number of supported legacy rates */
- u8 legacy_nrates;
-
- /* Index into station database.Returned by update_sta_db call */
- u8 peer_id;
-
- /* Non AMPDU sequence number assigned by driver */
- u16 seqno;
-};
-
-#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
-
-static const struct ieee80211_channel mwl8k_channels[] = {
- { .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, },
-};
-
-static const struct ieee80211_rate mwl8k_rates[] = {
- { .bitrate = 10, .hw_value = 2, },
- { .bitrate = 20, .hw_value = 4, },
- { .bitrate = 55, .hw_value = 11, },
- { .bitrate = 110, .hw_value = 22, },
- { .bitrate = 220, .hw_value = 44, },
- { .bitrate = 60, .hw_value = 12, },
- { .bitrate = 90, .hw_value = 18, },
- { .bitrate = 120, .hw_value = 24, },
- { .bitrate = 180, .hw_value = 36, },
- { .bitrate = 240, .hw_value = 48, },
- { .bitrate = 360, .hw_value = 72, },
- { .bitrate = 480, .hw_value = 96, },
- { .bitrate = 540, .hw_value = 108, },
-};
-
-/* Set or get info from Firmware */
-#define MWL8K_CMD_SET 0x0001
-#define MWL8K_CMD_GET 0x0000
-
-/* Firmware command codes */
-#define MWL8K_CMD_CODE_DNLD 0x0001
-#define MWL8K_CMD_GET_HW_SPEC 0x0003
-#define MWL8K_CMD_SET_HW_SPEC 0x0004
-#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010
-#define MWL8K_CMD_GET_STAT 0x0014
-#define MWL8K_CMD_RADIO_CONTROL 0x001c
-#define MWL8K_CMD_RF_TX_POWER 0x001e
-#define MWL8K_CMD_RF_ANTENNA 0x0020
-#define MWL8K_CMD_SET_PRE_SCAN 0x0107
-#define MWL8K_CMD_SET_POST_SCAN 0x0108
-#define MWL8K_CMD_SET_RF_CHANNEL 0x010a
-#define MWL8K_CMD_SET_AID 0x010d
-#define MWL8K_CMD_SET_RATE 0x0110
-#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111
-#define MWL8K_CMD_RTS_THRESHOLD 0x0113
-#define MWL8K_CMD_SET_SLOT 0x0114
-#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115
-#define MWL8K_CMD_SET_WMM_MODE 0x0123
-#define MWL8K_CMD_MIMO_CONFIG 0x0125
-#define MWL8K_CMD_USE_FIXED_RATE 0x0126
-#define MWL8K_CMD_ENABLE_SNIFFER 0x0150
-#define MWL8K_CMD_SET_MAC_ADDR 0x0202
-#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
-#define MWL8K_CMD_UPDATE_STADB 0x1123
-
-static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
-{
-#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\
- snprintf(buf, bufsize, "%s", #x);\
- return buf;\
- } while (0)
- switch (cmd & ~0x8000) {
- MWL8K_CMDNAME(CODE_DNLD);
- MWL8K_CMDNAME(GET_HW_SPEC);
- MWL8K_CMDNAME(SET_HW_SPEC);
- MWL8K_CMDNAME(MAC_MULTICAST_ADR);
- MWL8K_CMDNAME(GET_STAT);
- MWL8K_CMDNAME(RADIO_CONTROL);
- MWL8K_CMDNAME(RF_TX_POWER);
- MWL8K_CMDNAME(RF_ANTENNA);
- MWL8K_CMDNAME(SET_PRE_SCAN);
- MWL8K_CMDNAME(SET_POST_SCAN);
- MWL8K_CMDNAME(SET_RF_CHANNEL);
- MWL8K_CMDNAME(SET_AID);
- MWL8K_CMDNAME(SET_RATE);
- MWL8K_CMDNAME(SET_FINALIZE_JOIN);
- MWL8K_CMDNAME(RTS_THRESHOLD);
- MWL8K_CMDNAME(SET_SLOT);
- MWL8K_CMDNAME(SET_EDCA_PARAMS);
- MWL8K_CMDNAME(SET_WMM_MODE);
- MWL8K_CMDNAME(MIMO_CONFIG);
- MWL8K_CMDNAME(USE_FIXED_RATE);
- MWL8K_CMDNAME(ENABLE_SNIFFER);
- MWL8K_CMDNAME(SET_MAC_ADDR);
- MWL8K_CMDNAME(SET_RATEADAPT_MODE);
- MWL8K_CMDNAME(UPDATE_STADB);
- default:
- snprintf(buf, bufsize, "0x%x", cmd);
- }
-#undef MWL8K_CMDNAME
-
- return buf;
-}
-
-/* Hardware and firmware reset */
-static void mwl8k_hw_reset(struct mwl8k_priv *priv)
-{
- iowrite32(MWL8K_H2A_INT_RESET,
- priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- iowrite32(MWL8K_H2A_INT_RESET,
- priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- msleep(20);
-}
-
-/* Release fw image */
-static void mwl8k_release_fw(struct firmware **fw)
-{
- if (*fw == NULL)
- return;
- release_firmware(*fw);
- *fw = NULL;
-}
-
-static void mwl8k_release_firmware(struct mwl8k_priv *priv)
-{
- mwl8k_release_fw(&priv->fw.ucode);
- mwl8k_release_fw(&priv->fw.helper);
-}
-
-/* Request fw image */
-static int mwl8k_request_fw(struct mwl8k_priv *priv,
- const char *fname, struct firmware **fw)
-{
- /* release current image */
- if (*fw != NULL)
- mwl8k_release_fw(fw);
-
- return request_firmware((const struct firmware **)fw,
- fname, &priv->pdev->dev);
-}
-
-static int mwl8k_request_firmware(struct mwl8k_priv *priv)
-{
- struct mwl8k_device_info *di = priv->device_info;
- int rc;
-
- if (di->helper_image != NULL) {
- rc = mwl8k_request_fw(priv, di->helper_image, &priv->fw.helper);
- if (rc) {
- printk(KERN_ERR "%s: Error requesting helper "
- "firmware file %s\n", pci_name(priv->pdev),
- di->helper_image);
- return rc;
- }
- }
-
- rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw.ucode);
- if (rc) {
- printk(KERN_ERR "%s: Error requesting firmware file %s\n",
- pci_name(priv->pdev), di->fw_image);
- mwl8k_release_fw(&priv->fw.helper);
- return rc;
- }
-
- return 0;
-}
-
-MODULE_FIRMWARE("mwl8k/helper_8687.fw");
-MODULE_FIRMWARE("mwl8k/fmimage_8687.fw");
-
-struct mwl8k_cmd_pkt {
- __le16 code;
- __le16 length;
- __le16 seq_num;
- __le16 result;
- char payload[0];
-} __attribute__((packed));
-
-/*
- * Firmware loading.
- */
-static int
-mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
-{
- void __iomem *regs = priv->regs;
- dma_addr_t dma_addr;
- int loops;
-
- dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(priv->pdev, dma_addr))
- return -ENOMEM;
-
- iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR);
- iowrite32(0, regs + MWL8K_HIU_INT_CODE);
- iowrite32(MWL8K_H2A_INT_DOORBELL,
- regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- iowrite32(MWL8K_H2A_INT_DUMMY,
- regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
-
- loops = 1000;
- do {
- u32 int_code;
-
- int_code = ioread32(regs + MWL8K_HIU_INT_CODE);
- if (int_code == MWL8K_INT_CODE_CMD_FINISHED) {
- iowrite32(0, regs + MWL8K_HIU_INT_CODE);
- break;
- }
-
- cond_resched();
- udelay(1);
- } while (--loops);
-
- pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE);
-
- return loops ? 0 : -ETIMEDOUT;
-}
-
-static int mwl8k_load_fw_image(struct mwl8k_priv *priv,
- const u8 *data, size_t length)
-{
- struct mwl8k_cmd_pkt *cmd;
- int done;
- int rc = 0;
-
- cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD);
- cmd->seq_num = 0;
- cmd->result = 0;
-
- done = 0;
- while (length) {
- int block_size = length > 256 ? 256 : length;
-
- memcpy(cmd->payload, data + done, block_size);
- cmd->length = cpu_to_le16(block_size);
-
- rc = mwl8k_send_fw_load_cmd(priv, cmd,
- sizeof(*cmd) + block_size);
- if (rc)
- break;
-
- done += block_size;
- length -= block_size;
- }
-
- if (!rc) {
- cmd->length = 0;
- rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd));
- }
-
- kfree(cmd);
-
- return rc;
-}
-
-static int mwl8k_feed_fw_image(struct mwl8k_priv *priv,
- const u8 *data, size_t length)
-{
- unsigned char *buffer;
- int may_continue, rc = 0;
- u32 done, prev_block_size;
-
- buffer = kmalloc(1024, GFP_KERNEL);
- if (buffer == NULL)
- return -ENOMEM;
-
- done = 0;
- prev_block_size = 0;
- may_continue = 1000;
- while (may_continue > 0) {
- u32 block_size;
-
- block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH);
- if (block_size & 1) {
- block_size &= ~1;
- may_continue--;
- } else {
- done += prev_block_size;
- length -= prev_block_size;
- }
-
- if (block_size > 1024 || block_size > length) {
- rc = -EOVERFLOW;
- break;
- }
-
- if (length == 0) {
- rc = 0;
- break;
- }
-
- if (block_size == 0) {
- rc = -EPROTO;
- may_continue--;
- udelay(1);
- continue;
- }
-
- prev_block_size = block_size;
- memcpy(buffer, data + done, block_size);
-
- rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size);
- if (rc)
- break;
- }
-
- if (!rc && length != 0)
- rc = -EREMOTEIO;
-
- kfree(buffer);
-
- return rc;
-}
-
-static int mwl8k_load_firmware(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct firmware *fw = priv->fw.ucode;
- struct mwl8k_device_info *di = priv->device_info;
- int rc;
- int loops;
-
- if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) {
- struct firmware *helper = priv->fw.helper;
-
- if (helper == NULL) {
- printk(KERN_ERR "%s: helper image needed but none "
- "given\n", pci_name(priv->pdev));
- return -EINVAL;
- }
-
- rc = mwl8k_load_fw_image(priv, helper->data, helper->size);
- if (rc) {
- printk(KERN_ERR "%s: unable to load firmware "
- "helper image\n", pci_name(priv->pdev));
- return rc;
- }
- msleep(1);
-
- rc = mwl8k_feed_fw_image(priv, fw->data, fw->size);
- } else {
- rc = mwl8k_load_fw_image(priv, fw->data, fw->size);
- }
-
- if (rc) {
- printk(KERN_ERR "%s: unable to load firmware image\n",
- pci_name(priv->pdev));
- return rc;
- }
-
- if (di->modes & BIT(NL80211_IFTYPE_AP))
- iowrite32(MWL8K_MODE_AP, priv->regs + MWL8K_HIU_GEN_PTR);
- else
- iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR);
- msleep(1);
-
- loops = 200000;
- do {
- u32 ready_code;
-
- ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE);
- if (ready_code == MWL8K_FWAP_READY) {
- priv->ap_fw = 1;
- break;
- } else if (ready_code == MWL8K_FWSTA_READY) {
- priv->ap_fw = 0;
- break;
- }
-
- cond_resched();
- udelay(1);
- } while (--loops);
-
- return loops ? 0 : -ETIMEDOUT;
-}
-
-
-/*
- * Defines shared between transmission and reception.
- */
-/* HT control fields for firmware */
-struct ewc_ht_info {
- __le16 control1;
- __le16 control2;
- __le16 control3;
-} __attribute__((packed));
-
-/* Firmware Station database operations */
-#define MWL8K_STA_DB_ADD_ENTRY 0
-#define MWL8K_STA_DB_MODIFY_ENTRY 1
-#define MWL8K_STA_DB_DEL_ENTRY 2
-#define MWL8K_STA_DB_FLUSH 3
-
-/* Peer Entry flags - used to define the type of the peer node */
-#define MWL8K_PEER_TYPE_ACCESSPOINT 2
-
-#define MWL8K_IEEE_LEGACY_DATA_RATES 13
-#define MWL8K_MCS_BITMAP_SIZE 16
-
-struct peer_capability_info {
- /* Peer type - AP vs. STA. */
- __u8 peer_type;
-
- /* Basic 802.11 capabilities from assoc resp. */
- __le16 basic_caps;
-
- /* Set if peer supports 802.11n high throughput (HT). */
- __u8 ht_support;
-
- /* Valid if HT is supported. */
- __le16 ht_caps;
- __u8 extended_ht_caps;
- struct ewc_ht_info ewc_info;
-
- /* Legacy rate table. Intersection of our rates and peer rates. */
- __u8 legacy_rates[MWL8K_IEEE_LEGACY_DATA_RATES];
-
- /* HT rate table. Intersection of our rates and peer rates. */
- __u8 ht_rates[MWL8K_MCS_BITMAP_SIZE];
- __u8 pad[16];
-
- /* If set, interoperability mode, no proprietary extensions. */
- __u8 interop;
- __u8 pad2;
- __u8 station_id;
- __le16 amsdu_enabled;
-} __attribute__((packed));
-
-/* Inline functions to manipulate QoS field in data descriptor. */
-static inline u16 mwl8k_qos_setbit_eosp(u16 qos)
-{
- u16 val_mask = 1 << 4;
-
- /* End of Service Period Bit 4 */
- return qos | val_mask;
-}
-
-static inline u16 mwl8k_qos_setbit_ack(u16 qos, u8 ack_policy)
-{
- u16 val_mask = 0x3;
- u8 shift = 5;
- u16 qos_mask = ~(val_mask << shift);
-
- /* Ack Policy Bit 5-6 */
- return (qos & qos_mask) | ((ack_policy & val_mask) << shift);
-}
-
-static inline u16 mwl8k_qos_setbit_amsdu(u16 qos)
-{
- u16 val_mask = 1 << 7;
-
- /* AMSDU present Bit 7 */
- return qos | val_mask;
-}
-
-static inline u16 mwl8k_qos_setbit_qlen(u16 qos, u8 len)
-{
- u16 val_mask = 0xff;
- u8 shift = 8;
- u16 qos_mask = ~(val_mask << shift);
-
- /* Queue Length Bits 8-15 */
- return (qos & qos_mask) | ((len & val_mask) << shift);
-}
-
-/* DMA header used by firmware and hardware. */
-struct mwl8k_dma_data {
- __le16 fwlen;
- struct ieee80211_hdr wh;
-} __attribute__((packed));
-
-/* Routines to add/remove DMA header from skb. */
-static inline void mwl8k_remove_dma_header(struct sk_buff *skb)
-{
- struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)skb->data;
- void *dst, *src = &tr->wh;
- int hdrlen = ieee80211_hdrlen(tr->wh.frame_control);
- u16 space = sizeof(struct mwl8k_dma_data) - hdrlen;
-
- dst = (void *)tr + space;
- if (dst != src) {
- memmove(dst, src, hdrlen);
- skb_pull(skb, space);
- }
-}
-
-static inline void mwl8k_add_dma_header(struct sk_buff *skb)
-{
- struct ieee80211_hdr *wh;
- u32 hdrlen, pktlen;
- struct mwl8k_dma_data *tr;
-
- wh = (struct ieee80211_hdr *)skb->data;
- hdrlen = ieee80211_hdrlen(wh->frame_control);
- pktlen = skb->len;
-
- /*
- * Copy up/down the 802.11 header; the firmware requires
- * we present a 2-byte payload length followed by a
- * 4-address header (w/o QoS), followed (optionally) by
- * any WEP/ExtIV header (but only filled in for CCMP).
- */
- if (hdrlen != sizeof(struct mwl8k_dma_data))
- skb_push(skb, sizeof(struct mwl8k_dma_data) - hdrlen);
-
- tr = (struct mwl8k_dma_data *)skb->data;
- if (wh != &tr->wh)
- memmove(&tr->wh, wh, hdrlen);
-
- /* Clear addr4 */
- memset(tr->wh.addr4, 0, ETH_ALEN);
-
- /*
- * Firmware length is the length of the fully formed "802.11
- * payload". That is, everything except for the 802.11 header.
- * This includes all crypto material including the MIC.
- */
- tr->fwlen = cpu_to_le16(pktlen - hdrlen);
-}
-
-
-/*
- * Packet reception for 88w8366.
- */
-struct mwl8k_rxd_8366 {
- __le16 pkt_len;
- __u8 sq2;
- __u8 rate;
- __le32 pkt_phys_addr;
- __le32 next_rxd_phys_addr;
- __le16 qos_control;
- __le16 htsig2;
- __le32 hw_rssi_info;
- __le32 hw_noise_floor_info;
- __u8 noise_floor;
- __u8 pad0[3];
- __u8 rssi;
- __u8 rx_status;
- __u8 channel;
- __u8 rx_ctrl;
-} __attribute__((packed));
-
-#define MWL8K_8366_RX_CTRL_OWNED_BY_HOST 0x80
-
-static void mwl8k_rxd_8366_init(void *_rxd, dma_addr_t next_dma_addr)
-{
- struct mwl8k_rxd_8366 *rxd = _rxd;
-
- rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr);
- rxd->rx_ctrl = MWL8K_8366_RX_CTRL_OWNED_BY_HOST;
-}
-
-static void mwl8k_rxd_8366_refill(void *_rxd, dma_addr_t addr, int len)
-{
- struct mwl8k_rxd_8366 *rxd = _rxd;
-
- rxd->pkt_len = cpu_to_le16(len);
- rxd->pkt_phys_addr = cpu_to_le32(addr);
- wmb();
- rxd->rx_ctrl = 0;
-}
-
-static int
-mwl8k_rxd_8366_process(void *_rxd, struct ieee80211_rx_status *status)
-{
- struct mwl8k_rxd_8366 *rxd = _rxd;
-
- if (!(rxd->rx_ctrl & MWL8K_8366_RX_CTRL_OWNED_BY_HOST))
- return -1;
- rmb();
-
- memset(status, 0, sizeof(*status));
-
- status->signal = -rxd->rssi;
- status->noise = -rxd->noise_floor;
-
- if (rxd->rate & 0x80) {
- status->flag |= RX_FLAG_HT;
- status->rate_idx = rxd->rate & 0x7f;
- } else {
- int i;
-
- for (i = 0; i < ARRAY_SIZE(mwl8k_rates); i++) {
- if (mwl8k_rates[i].hw_value == rxd->rate) {
- status->rate_idx = i;
- break;
- }
- }
- }
-
- status->band = IEEE80211_BAND_2GHZ;
- status->freq = ieee80211_channel_to_frequency(rxd->channel);
-
- return le16_to_cpu(rxd->pkt_len);
-}
-
-static struct rxd_ops rxd_8366_ops = {
- .rxd_size = sizeof(struct mwl8k_rxd_8366),
- .rxd_init = mwl8k_rxd_8366_init,
- .rxd_refill = mwl8k_rxd_8366_refill,
- .rxd_process = mwl8k_rxd_8366_process,
-};
-
-/*
- * Packet reception for 88w8687.
- */
-struct mwl8k_rxd_8687 {
- __le16 pkt_len;
- __u8 link_quality;
- __u8 noise_level;
- __le32 pkt_phys_addr;
- __le32 next_rxd_phys_addr;
- __le16 qos_control;
- __le16 rate_info;
- __le32 pad0[4];
- __u8 rssi;
- __u8 channel;
- __le16 pad1;
- __u8 rx_ctrl;
- __u8 rx_status;
- __u8 pad2[2];
-} __attribute__((packed));
-
-#define MWL8K_8687_RATE_INFO_SHORTPRE 0x8000
-#define MWL8K_8687_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3)
-#define MWL8K_8687_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f)
-#define MWL8K_8687_RATE_INFO_40MHZ 0x0004
-#define MWL8K_8687_RATE_INFO_SHORTGI 0x0002
-#define MWL8K_8687_RATE_INFO_MCS_FORMAT 0x0001
-
-#define MWL8K_8687_RX_CTRL_OWNED_BY_HOST 0x02
-
-static void mwl8k_rxd_8687_init(void *_rxd, dma_addr_t next_dma_addr)
-{
- struct mwl8k_rxd_8687 *rxd = _rxd;
-
- rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr);
- rxd->rx_ctrl = MWL8K_8687_RX_CTRL_OWNED_BY_HOST;
-}
-
-static void mwl8k_rxd_8687_refill(void *_rxd, dma_addr_t addr, int len)
-{
- struct mwl8k_rxd_8687 *rxd = _rxd;
-
- rxd->pkt_len = cpu_to_le16(len);
- rxd->pkt_phys_addr = cpu_to_le32(addr);
- wmb();
- rxd->rx_ctrl = 0;
-}
-
-static int
-mwl8k_rxd_8687_process(void *_rxd, struct ieee80211_rx_status *status)
-{
- struct mwl8k_rxd_8687 *rxd = _rxd;
- u16 rate_info;
-
- if (!(rxd->rx_ctrl & MWL8K_8687_RX_CTRL_OWNED_BY_HOST))
- return -1;
- rmb();
-
- rate_info = le16_to_cpu(rxd->rate_info);
-
- memset(status, 0, sizeof(*status));
-
- status->signal = -rxd->rssi;
- status->noise = -rxd->noise_level;
- status->qual = rxd->link_quality;
- status->antenna = MWL8K_8687_RATE_INFO_ANTSELECT(rate_info);
- status->rate_idx = MWL8K_8687_RATE_INFO_RATEID(rate_info);
-
- if (rate_info & MWL8K_8687_RATE_INFO_SHORTPRE)
- status->flag |= RX_FLAG_SHORTPRE;
- if (rate_info & MWL8K_8687_RATE_INFO_40MHZ)
- status->flag |= RX_FLAG_40MHZ;
- if (rate_info & MWL8K_8687_RATE_INFO_SHORTGI)
- status->flag |= RX_FLAG_SHORT_GI;
- if (rate_info & MWL8K_8687_RATE_INFO_MCS_FORMAT)
- status->flag |= RX_FLAG_HT;
-
- status->band = IEEE80211_BAND_2GHZ;
- status->freq = ieee80211_channel_to_frequency(rxd->channel);
-
- return le16_to_cpu(rxd->pkt_len);
-}
-
-static struct rxd_ops rxd_8687_ops = {
- .rxd_size = sizeof(struct mwl8k_rxd_8687),
- .rxd_init = mwl8k_rxd_8687_init,
- .rxd_refill = mwl8k_rxd_8687_refill,
- .rxd_process = mwl8k_rxd_8687_process,
-};
-
-
-#define MWL8K_RX_DESCS 256
-#define MWL8K_RX_MAXSZ 3800
-
-static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_rx_queue *rxq = priv->rxq + index;
- int size;
- int i;
-
- rxq->rxd_count = 0;
- rxq->head = 0;
- rxq->tail = 0;
-
- size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size;
-
- rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma);
- if (rxq->rxd == NULL) {
- printk(KERN_ERR "%s: failed to alloc RX descriptors\n",
- wiphy_name(hw->wiphy));
- return -ENOMEM;
- }
- memset(rxq->rxd, 0, size);
-
- rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL);
- if (rxq->buf == NULL) {
- printk(KERN_ERR "%s: failed to alloc RX skbuff list\n",
- wiphy_name(hw->wiphy));
- pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma);
- return -ENOMEM;
- }
- memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf));
-
- for (i = 0; i < MWL8K_RX_DESCS; i++) {
- int desc_size;
- void *rxd;
- int nexti;
- dma_addr_t next_dma_addr;
-
- desc_size = priv->rxd_ops->rxd_size;
- rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size);
-
- nexti = i + 1;
- if (nexti == MWL8K_RX_DESCS)
- nexti = 0;
- next_dma_addr = rxq->rxd_dma + (nexti * desc_size);
-
- priv->rxd_ops->rxd_init(rxd, next_dma_addr);
- }
-
- return 0;
-}
-
-static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_rx_queue *rxq = priv->rxq + index;
- int refilled;
-
- refilled = 0;
- while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) {
- struct sk_buff *skb;
- dma_addr_t addr;
- int rx;
- void *rxd;
-
- skb = dev_alloc_skb(MWL8K_RX_MAXSZ);
- if (skb == NULL)
- break;
-
- addr = pci_map_single(priv->pdev, skb->data,
- MWL8K_RX_MAXSZ, DMA_FROM_DEVICE);
-
- rxq->rxd_count++;
- rx = rxq->tail++;
- if (rxq->tail == MWL8K_RX_DESCS)
- rxq->tail = 0;
- rxq->buf[rx].skb = skb;
- pci_unmap_addr_set(&rxq->buf[rx], dma, addr);
-
- rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size);
- priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ);
-
- refilled++;
- }
-
- return refilled;
-}
-
-/* Must be called only when the card's reception is completely halted */
-static void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_rx_queue *rxq = priv->rxq + index;
- int i;
-
- for (i = 0; i < MWL8K_RX_DESCS; i++) {
- if (rxq->buf[i].skb != NULL) {
- pci_unmap_single(priv->pdev,
- pci_unmap_addr(&rxq->buf[i], dma),
- MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
- pci_unmap_addr_set(&rxq->buf[i], dma, 0);
-
- kfree_skb(rxq->buf[i].skb);
- rxq->buf[i].skb = NULL;
- }
- }
-
- kfree(rxq->buf);
- rxq->buf = NULL;
-
- pci_free_consistent(priv->pdev,
- MWL8K_RX_DESCS * priv->rxd_ops->rxd_size,
- rxq->rxd, rxq->rxd_dma);
- rxq->rxd = NULL;
-}
-
-
-/*
- * Scan a list of BSSIDs to process for finalize join.
- * Allows for extension to process multiple BSSIDs.
- */
-static inline int
-mwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh)
-{
- return priv->capture_beacon &&
- ieee80211_is_beacon(wh->frame_control) &&
- !compare_ether_addr(wh->addr3, priv->capture_bssid);
-}
-
-static inline void mwl8k_save_beacon(struct ieee80211_hw *hw,
- struct sk_buff *skb)
-{
- struct mwl8k_priv *priv = hw->priv;
-
- priv->capture_beacon = false;
- memset(priv->capture_bssid, 0, ETH_ALEN);
-
- /*
- * Use GFP_ATOMIC as rxq_process is called from
- * the primary interrupt handler, memory allocation call
- * must not sleep.
- */
- priv->beacon_skb = skb_copy(skb, GFP_ATOMIC);
- if (priv->beacon_skb != NULL)
- ieee80211_queue_work(hw, &priv->finalize_join_worker);
-}
-
-static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_rx_queue *rxq = priv->rxq + index;
- int processed;
-
- processed = 0;
- while (rxq->rxd_count && limit--) {
- struct sk_buff *skb;
- void *rxd;
- int pkt_len;
- struct ieee80211_rx_status status;
-
- skb = rxq->buf[rxq->head].skb;
- if (skb == NULL)
- break;
-
- rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size);
-
- pkt_len = priv->rxd_ops->rxd_process(rxd, &status);
- if (pkt_len < 0)
- break;
-
- rxq->buf[rxq->head].skb = NULL;
-
- pci_unmap_single(priv->pdev,
- pci_unmap_addr(&rxq->buf[rxq->head], dma),
- MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
- pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0);
-
- rxq->head++;
- if (rxq->head == MWL8K_RX_DESCS)
- rxq->head = 0;
-
- rxq->rxd_count--;
-
- skb_put(skb, pkt_len);
- mwl8k_remove_dma_header(skb);
-
- /*
- * Check for a pending join operation. Save a
- * copy of the beacon and schedule a tasklet to
- * send a FINALIZE_JOIN command to the firmware.
- */
- if (mwl8k_capture_bssid(priv, (void *)skb->data))
- mwl8k_save_beacon(hw, skb);
-
- memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
- ieee80211_rx_irqsafe(hw, skb);
-
- processed++;
- }
-
- return processed;
-}
-
-
-/*
- * Packet transmission.
- */
-
-/* Transmit packet ACK policy */
-#define MWL8K_TXD_ACK_POLICY_NORMAL 0
-#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3
-
-#define MWL8K_TXD_STATUS_OK 0x00000001
-#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002
-#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004
-#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008
-#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000
-
-struct mwl8k_tx_desc {
- __le32 status;
- __u8 data_rate;
- __u8 tx_priority;
- __le16 qos_control;
- __le32 pkt_phys_addr;
- __le16 pkt_len;
- __u8 dest_MAC_addr[ETH_ALEN];
- __le32 next_txd_phys_addr;
- __le32 reserved;
- __le16 rate_info;
- __u8 peer_id;
- __u8 tx_frag_cnt;
-} __attribute__((packed));
-
-#define MWL8K_TX_DESCS 128
-
-static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_tx_queue *txq = priv->txq + index;
- int size;
- int i;
-
- memset(&txq->stats, 0, sizeof(struct ieee80211_tx_queue_stats));
- txq->stats.limit = MWL8K_TX_DESCS;
- txq->head = 0;
- txq->tail = 0;
-
- size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc);
-
- txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma);
- if (txq->txd == NULL) {
- printk(KERN_ERR "%s: failed to alloc TX descriptors\n",
- wiphy_name(hw->wiphy));
- return -ENOMEM;
- }
- memset(txq->txd, 0, size);
-
- txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL);
- if (txq->skb == NULL) {
- printk(KERN_ERR "%s: failed to alloc TX skbuff list\n",
- wiphy_name(hw->wiphy));
- pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma);
- return -ENOMEM;
- }
- memset(txq->skb, 0, MWL8K_TX_DESCS * sizeof(*txq->skb));
-
- for (i = 0; i < MWL8K_TX_DESCS; i++) {
- struct mwl8k_tx_desc *tx_desc;
- int nexti;
-
- tx_desc = txq->txd + i;
- nexti = (i + 1) % MWL8K_TX_DESCS;
-
- tx_desc->status = 0;
- tx_desc->next_txd_phys_addr =
- cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc));
- }
-
- return 0;
-}
-
-static inline void mwl8k_tx_start(struct mwl8k_priv *priv)
-{
- iowrite32(MWL8K_H2A_INT_PPA_READY,
- priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- iowrite32(MWL8K_H2A_INT_DUMMY,
- priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- ioread32(priv->regs + MWL8K_HIU_INT_CODE);
-}
-
-struct mwl8k_txq_info {
- u32 fw_owned;
- u32 drv_owned;
- u32 unused;
- u32 len;
- u32 head;
- u32 tail;
-};
-
-static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
- struct mwl8k_txq_info *txinfo)
-{
- int count, desc, status;
- struct mwl8k_tx_queue *txq;
- struct mwl8k_tx_desc *tx_desc;
- int ndescs = 0;
-
- memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info));
-
- for (count = 0; count < MWL8K_TX_QUEUES; count++) {
- txq = priv->txq + count;
- txinfo[count].len = txq->stats.len;
- txinfo[count].head = txq->head;
- txinfo[count].tail = txq->tail;
- for (desc = 0; desc < MWL8K_TX_DESCS; desc++) {
- tx_desc = txq->txd + desc;
- status = le32_to_cpu(tx_desc->status);
-
- if (status & MWL8K_TXD_STATUS_FW_OWNED)
- txinfo[count].fw_owned++;
- else
- txinfo[count].drv_owned++;
-
- if (tx_desc->pkt_len == 0)
- txinfo[count].unused++;
- }
- }
-
- return ndescs;
-}
-
-/*
- * Must be called with priv->fw_mutex held and tx queues stopped.
- */
-static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- DECLARE_COMPLETION_ONSTACK(tx_wait);
- u32 count;
- unsigned long timeout;
-
- might_sleep();
-
- spin_lock_bh(&priv->tx_lock);
- count = priv->pending_tx_pkts;
- if (count)
- priv->tx_wait = &tx_wait;
- spin_unlock_bh(&priv->tx_lock);
-
- if (count) {
- struct mwl8k_txq_info txinfo[MWL8K_TX_QUEUES];
- int index;
- int newcount;
-
- timeout = wait_for_completion_timeout(&tx_wait,
- msecs_to_jiffies(5000));
- if (timeout)
- return 0;
-
- spin_lock_bh(&priv->tx_lock);
- priv->tx_wait = NULL;
- newcount = priv->pending_tx_pkts;
- mwl8k_scan_tx_ring(priv, txinfo);
- spin_unlock_bh(&priv->tx_lock);
-
- printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n",
- __func__, __LINE__, count, newcount);
-
- for (index = 0; index < MWL8K_TX_QUEUES; index++)
- printk(KERN_ERR "TXQ:%u L:%u H:%u T:%u FW:%u "
- "DRV:%u U:%u\n",
- index,
- txinfo[index].len,
- txinfo[index].head,
- txinfo[index].tail,
- txinfo[index].fw_owned,
- txinfo[index].drv_owned,
- txinfo[index].unused);
-
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-#define MWL8K_TXD_SUCCESS(status) \
- ((status) & (MWL8K_TXD_STATUS_OK | \
- MWL8K_TXD_STATUS_OK_RETRY | \
- MWL8K_TXD_STATUS_OK_MORE_RETRY))
-
-static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_tx_queue *txq = priv->txq + index;
- int wake = 0;
-
- while (txq->stats.len > 0) {
- int tx;
- struct mwl8k_tx_desc *tx_desc;
- unsigned long addr;
- int size;
- struct sk_buff *skb;
- struct ieee80211_tx_info *info;
- u32 status;
-
- tx = txq->head;
- tx_desc = txq->txd + tx;
-
- status = le32_to_cpu(tx_desc->status);
-
- if (status & MWL8K_TXD_STATUS_FW_OWNED) {
- if (!force)
- break;
- tx_desc->status &=
- ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED);
- }
-
- txq->head = (tx + 1) % MWL8K_TX_DESCS;
- BUG_ON(txq->stats.len == 0);
- txq->stats.len--;
- priv->pending_tx_pkts--;
-
- addr = le32_to_cpu(tx_desc->pkt_phys_addr);
- size = le16_to_cpu(tx_desc->pkt_len);
- skb = txq->skb[tx];
- txq->skb[tx] = NULL;
-
- BUG_ON(skb == NULL);
- pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE);
-
- mwl8k_remove_dma_header(skb);
-
- /* Mark descriptor as unused */
- tx_desc->pkt_phys_addr = 0;
- tx_desc->pkt_len = 0;
-
- info = IEEE80211_SKB_CB(skb);
- ieee80211_tx_info_clear_status(info);
- if (MWL8K_TXD_SUCCESS(status))
- info->flags |= IEEE80211_TX_STAT_ACK;
-
- ieee80211_tx_status_irqsafe(hw, skb);
-
- wake = 1;
- }
-
- if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex))
- ieee80211_wake_queue(hw, index);
-}
-
-/* must be called only when the card's transmit is completely halted */
-static void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_tx_queue *txq = priv->txq + index;
-
- mwl8k_txq_reclaim(hw, index, 1);
-
- kfree(txq->skb);
- txq->skb = NULL;
-
- pci_free_consistent(priv->pdev,
- MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc),
- txq->txd, txq->txd_dma);
- txq->txd = NULL;
-}
-
-static int
-mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct ieee80211_tx_info *tx_info;
- struct mwl8k_vif *mwl8k_vif;
- struct ieee80211_hdr *wh;
- struct mwl8k_tx_queue *txq;
- struct mwl8k_tx_desc *tx;
- dma_addr_t dma;
- u32 txstatus;
- u8 txdatarate;
- u16 qos;
-
- wh = (struct ieee80211_hdr *)skb->data;
- if (ieee80211_is_data_qos(wh->frame_control))
- qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh)));
- else
- qos = 0;
-
- mwl8k_add_dma_header(skb);
- wh = &((struct mwl8k_dma_data *)skb->data)->wh;
-
- tx_info = IEEE80211_SKB_CB(skb);
- mwl8k_vif = MWL8K_VIF(tx_info->control.vif);
-
- if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
- u16 seqno = mwl8k_vif->seqno;
-
- wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- wh->seq_ctrl |= cpu_to_le16(seqno << 4);
- mwl8k_vif->seqno = seqno++ % 4096;
- }
-
- /* Setup firmware control bit fields for each frame type. */
- txstatus = 0;
- txdatarate = 0;
- if (ieee80211_is_mgmt(wh->frame_control) ||
- ieee80211_is_ctl(wh->frame_control)) {
- txdatarate = 0;
- qos = mwl8k_qos_setbit_eosp(qos);
- /* Set Queue size to unspecified */
- qos = mwl8k_qos_setbit_qlen(qos, 0xff);
- } else if (ieee80211_is_data(wh->frame_control)) {
- txdatarate = 1;
- if (is_multicast_ether_addr(wh->addr1))
- txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX;
-
- /* Send pkt in an aggregate if AMPDU frame. */
- if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
- qos = mwl8k_qos_setbit_ack(qos,
- MWL8K_TXD_ACK_POLICY_BLOCKACK);
- else
- qos = mwl8k_qos_setbit_ack(qos,
- MWL8K_TXD_ACK_POLICY_NORMAL);
-
- if (qos & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
- qos = mwl8k_qos_setbit_amsdu(qos);
- }
-
- dma = pci_map_single(priv->pdev, skb->data,
- skb->len, PCI_DMA_TODEVICE);
-
- if (pci_dma_mapping_error(priv->pdev, dma)) {
- printk(KERN_DEBUG "%s: failed to dma map skb, "
- "dropping TX frame.\n", wiphy_name(hw->wiphy));
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
- }
-
- spin_lock_bh(&priv->tx_lock);
-
- txq = priv->txq + index;
-
- BUG_ON(txq->skb[txq->tail] != NULL);
- txq->skb[txq->tail] = skb;
-
- tx = txq->txd + txq->tail;
- tx->data_rate = txdatarate;
- tx->tx_priority = index;
- tx->qos_control = cpu_to_le16(qos);
- tx->pkt_phys_addr = cpu_to_le32(dma);
- tx->pkt_len = cpu_to_le16(skb->len);
- tx->rate_info = 0;
- tx->peer_id = mwl8k_vif->peer_id;
- wmb();
- tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus);
-
- txq->stats.count++;
- txq->stats.len++;
- priv->pending_tx_pkts++;
-
- txq->tail++;
- if (txq->tail == MWL8K_TX_DESCS)
- txq->tail = 0;
-
- if (txq->head == txq->tail)
- ieee80211_stop_queue(hw, index);
-
- mwl8k_tx_start(priv);
-
- spin_unlock_bh(&priv->tx_lock);
-
- return NETDEV_TX_OK;
-}
-
-
-/*
- * Firmware access.
- *
- * We have the following requirements for issuing firmware commands:
- * - Some commands require that the packet transmit path is idle when
- * the command is issued. (For simplicity, we'll just quiesce the
- * transmit path for every command.)
- * - There are certain sequences of commands that need to be issued to
- * the hardware sequentially, with no other intervening commands.
- *
- * This leads to an implementation of a "firmware lock" as a mutex that
- * can be taken recursively, and which is taken by both the low-level
- * command submission function (mwl8k_post_cmd) as well as any users of
- * that function that require issuing of an atomic sequence of commands,
- * and quiesces the transmit path whenever it's taken.
- */
-static int mwl8k_fw_lock(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
-
- if (priv->fw_mutex_owner != current) {
- int rc;
-
- mutex_lock(&priv->fw_mutex);
- ieee80211_stop_queues(hw);
-
- rc = mwl8k_tx_wait_empty(hw);
- if (rc) {
- ieee80211_wake_queues(hw);
- mutex_unlock(&priv->fw_mutex);
-
- return rc;
- }
-
- priv->fw_mutex_owner = current;
- }
-
- priv->fw_mutex_depth++;
-
- return 0;
-}
-
-static void mwl8k_fw_unlock(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
-
- if (!--priv->fw_mutex_depth) {
- ieee80211_wake_queues(hw);
- priv->fw_mutex_owner = NULL;
- mutex_unlock(&priv->fw_mutex);
- }
-}
-
-
-/*
- * Command processing.
- */
-
-/* Timeout firmware commands after 2000ms */
-#define MWL8K_CMD_TIMEOUT_MS 2000
-
-static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
-{
- DECLARE_COMPLETION_ONSTACK(cmd_wait);
- struct mwl8k_priv *priv = hw->priv;
- void __iomem *regs = priv->regs;
- dma_addr_t dma_addr;
- unsigned int dma_size;
- int rc;
- unsigned long timeout = 0;
- u8 buf[32];
-
- cmd->result = 0xffff;
- dma_size = le16_to_cpu(cmd->length);
- dma_addr = pci_map_single(priv->pdev, cmd, dma_size,
- PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(priv->pdev, dma_addr))
- return -ENOMEM;
-
- rc = mwl8k_fw_lock(hw);
- if (rc) {
- pci_unmap_single(priv->pdev, dma_addr, dma_size,
- PCI_DMA_BIDIRECTIONAL);
- return rc;
- }
-
- priv->hostcmd_wait = &cmd_wait;
- iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR);
- iowrite32(MWL8K_H2A_INT_DOORBELL,
- regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- iowrite32(MWL8K_H2A_INT_DUMMY,
- regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
-
- timeout = wait_for_completion_timeout(&cmd_wait,
- msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS));
-
- priv->hostcmd_wait = NULL;
-
- mwl8k_fw_unlock(hw);
-
- pci_unmap_single(priv->pdev, dma_addr, dma_size,
- PCI_DMA_BIDIRECTIONAL);
-
- if (!timeout) {
- printk(KERN_ERR "%s: Command %s timeout after %u ms\n",
- wiphy_name(hw->wiphy),
- mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
- MWL8K_CMD_TIMEOUT_MS);
- rc = -ETIMEDOUT;
- } else {
- rc = cmd->result ? -EINVAL : 0;
- if (rc)
- printk(KERN_ERR "%s: Command %s error 0x%x\n",
- wiphy_name(hw->wiphy),
- mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
- le16_to_cpu(cmd->result));
- }
-
- return rc;
-}
-
-/*
- * CMD_GET_HW_SPEC (STA version).
- */
-struct mwl8k_cmd_get_hw_spec_sta {
- struct mwl8k_cmd_pkt header;
- __u8 hw_rev;
- __u8 host_interface;
- __le16 num_mcaddrs;
- __u8 perm_addr[ETH_ALEN];
- __le16 region_code;
- __le32 fw_rev;
- __le32 ps_cookie;
- __le32 caps;
- __u8 mcs_bitmap[16];
- __le32 rx_queue_ptr;
- __le32 num_tx_queues;
- __le32 tx_queue_ptrs[MWL8K_TX_QUEUES];
- __le32 caps2;
- __le32 num_tx_desc_per_queue;
- __le32 total_rxd;
-} __attribute__((packed));
-
-static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_get_hw_spec_sta *cmd;
- int rc;
- int i;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
- cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
- cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
- cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
- cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
- cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
-
- if (!rc) {
- SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);
- priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
- priv->fw_rev = le32_to_cpu(cmd->fw_rev);
- priv->hw_rev = cmd->hw_rev;
- }
-
- kfree(cmd);
- return rc;
-}
-
-/*
- * CMD_GET_HW_SPEC (AP version).
- */
-struct mwl8k_cmd_get_hw_spec_ap {
- struct mwl8k_cmd_pkt header;
- __u8 hw_rev;
- __u8 host_interface;
- __le16 num_wcb;
- __le16 num_mcaddrs;
- __u8 perm_addr[ETH_ALEN];
- __le16 region_code;
- __le16 num_antenna;
- __le32 fw_rev;
- __le32 wcbbase0;
- __le32 rxwrptr;
- __le32 rxrdptr;
- __le32 ps_cookie;
- __le32 wcbbase1;
- __le32 wcbbase2;
- __le32 wcbbase3;
-} __attribute__((packed));
-
-static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_get_hw_spec_ap *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
- cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
-
- if (!rc) {
- int off;
-
- SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);
- priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
- priv->fw_rev = le32_to_cpu(cmd->fw_rev);
- priv->hw_rev = cmd->hw_rev;
-
- off = le32_to_cpu(cmd->wcbbase0) & 0xffff;
- iowrite32(cpu_to_le32(priv->txq[0].txd_dma), priv->sram + off);
-
- off = le32_to_cpu(cmd->rxwrptr) & 0xffff;
- iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);
-
- off = le32_to_cpu(cmd->rxrdptr) & 0xffff;
- iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);
-
- off = le32_to_cpu(cmd->wcbbase1) & 0xffff;
- iowrite32(cpu_to_le32(priv->txq[1].txd_dma), priv->sram + off);
-
- off = le32_to_cpu(cmd->wcbbase2) & 0xffff;
- iowrite32(cpu_to_le32(priv->txq[2].txd_dma), priv->sram + off);
-
- off = le32_to_cpu(cmd->wcbbase3) & 0xffff;
- iowrite32(cpu_to_le32(priv->txq[3].txd_dma), priv->sram + off);
- }
-
- kfree(cmd);
- return rc;
-}
-
-/*
- * CMD_SET_HW_SPEC.
- */
-struct mwl8k_cmd_set_hw_spec {
- struct mwl8k_cmd_pkt header;
- __u8 hw_rev;
- __u8 host_interface;
- __le16 num_mcaddrs;
- __u8 perm_addr[ETH_ALEN];
- __le16 region_code;
- __le32 fw_rev;
- __le32 ps_cookie;
- __le32 caps;
- __le32 rx_queue_ptr;
- __le32 num_tx_queues;
- __le32 tx_queue_ptrs[MWL8K_TX_QUEUES];
- __le32 flags;
- __le32 num_tx_desc_per_queue;
- __le32 total_rxd;
-} __attribute__((packed));
-
-#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
-
-static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_set_hw_spec *cmd;
- int rc;
- int i;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
- cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
- cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
- cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT);
- cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
- cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_MAC_MULTICAST_ADR.
- */
-struct mwl8k_cmd_mac_multicast_adr {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __le16 numaddr;
- __u8 addr[0][ETH_ALEN];
-};
-
-#define MWL8K_ENABLE_RX_DIRECTED 0x0001
-#define MWL8K_ENABLE_RX_MULTICAST 0x0002
-#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004
-#define MWL8K_ENABLE_RX_BROADCAST 0x0008
-
-static struct mwl8k_cmd_pkt *
-__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti,
- int mc_count, struct dev_addr_list *mclist)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_mac_multicast_adr *cmd;
- int size;
-
- if (allmulti || mc_count > priv->num_mcaddrs) {
- allmulti = 1;
- mc_count = 0;
- }
-
- size = sizeof(*cmd) + mc_count * ETH_ALEN;
-
- cmd = kzalloc(size, GFP_ATOMIC);
- if (cmd == NULL)
- return NULL;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR);
- cmd->header.length = cpu_to_le16(size);
- cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED |
- MWL8K_ENABLE_RX_BROADCAST);
-
- if (allmulti) {
- cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST);
- } else if (mc_count) {
- int i;
-
- cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST);
- cmd->numaddr = cpu_to_le16(mc_count);
- for (i = 0; i < mc_count && mclist; i++) {
- if (mclist->da_addrlen != ETH_ALEN) {
- kfree(cmd);
- return NULL;
- }
- memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN);
- mclist = mclist->next;
- }
- }
-
- return &cmd->header;
-}
-
-/*
- * CMD_802_11_GET_STAT.
- */
-struct mwl8k_cmd_802_11_get_stat {
- struct mwl8k_cmd_pkt header;
- __le32 stats[64];
-} __attribute__((packed));
-
-#define MWL8K_STAT_ACK_FAILURE 9
-#define MWL8K_STAT_RTS_FAILURE 12
-#define MWL8K_STAT_FCS_ERROR 24
-#define MWL8K_STAT_RTS_SUCCESS 11
-
-static int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
-{
- struct mwl8k_cmd_802_11_get_stat *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- if (!rc) {
- stats->dot11ACKFailureCount =
- le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]);
- stats->dot11RTSFailureCount =
- le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]);
- stats->dot11FCSErrorCount =
- le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]);
- stats->dot11RTSSuccessCount =
- le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]);
- }
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_802_11_RADIO_CONTROL.
- */
-struct mwl8k_cmd_802_11_radio_control {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __le16 control;
- __le16 radio_on;
-} __attribute__((packed));
-
-static int
-mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, bool enable, bool force)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_802_11_radio_control *cmd;
- int rc;
-
- if (enable == priv->radio_on && !force)
- return 0;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(MWL8K_CMD_SET);
- cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1);
- cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- if (!rc)
- priv->radio_on = enable;
-
- return rc;
-}
-
-static int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw *hw)
-{
- return mwl8k_cmd_802_11_radio_control(hw, 0, 0);
-}
-
-static int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw *hw)
-{
- return mwl8k_cmd_802_11_radio_control(hw, 1, 0);
-}
-
-static int
-mwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble)
-{
- struct mwl8k_priv *priv;
-
- if (hw == NULL || hw->priv == NULL)
- return -EINVAL;
- priv = hw->priv;
-
- priv->radio_short_preamble = short_preamble;
-
- return mwl8k_cmd_802_11_radio_control(hw, 1, 1);
-}
-
-/*
- * CMD_802_11_RF_TX_POWER.
- */
-#define MWL8K_TX_POWER_LEVEL_TOTAL 8
-
-struct mwl8k_cmd_802_11_rf_tx_power {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __le16 support_level;
- __le16 current_level;
- __le16 reserved;
- __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL];
-} __attribute__((packed));
-
-static int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm)
-{
- struct mwl8k_cmd_802_11_rf_tx_power *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(MWL8K_CMD_SET);
- cmd->support_level = cpu_to_le16(dBm);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_RF_ANTENNA.
- */
-struct mwl8k_cmd_rf_antenna {
- struct mwl8k_cmd_pkt header;
- __le16 antenna;
- __le16 mode;
-} __attribute__((packed));
-
-#define MWL8K_RF_ANTENNA_RX 1
-#define MWL8K_RF_ANTENNA_TX 2
-
-static int
-mwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask)
-{
- struct mwl8k_cmd_rf_antenna *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->antenna = cpu_to_le16(antenna);
- cmd->mode = cpu_to_le16(mask);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_PRE_SCAN.
- */
-struct mwl8k_cmd_set_pre_scan {
- struct mwl8k_cmd_pkt header;
-} __attribute__((packed));
-
-static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw)
-{
- struct mwl8k_cmd_set_pre_scan *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_POST_SCAN.
- */
-struct mwl8k_cmd_set_post_scan {
- struct mwl8k_cmd_pkt header;
- __le32 isibss;
- __u8 bssid[ETH_ALEN];
-} __attribute__((packed));
-
-static int
-mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac)
-{
- struct mwl8k_cmd_set_post_scan *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->isibss = 0;
- memcpy(cmd->bssid, mac, ETH_ALEN);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_RF_CHANNEL.
- */
-struct mwl8k_cmd_set_rf_channel {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __u8 current_channel;
- __le32 channel_flags;
-} __attribute__((packed));
-
-static int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw,
- struct ieee80211_channel *channel)
-{
- struct mwl8k_cmd_set_rf_channel *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(MWL8K_CMD_SET);
- cmd->current_channel = channel->hw_value;
- if (channel->band == IEEE80211_BAND_2GHZ)
- cmd->channel_flags = cpu_to_le32(0x00000081);
- else
- cmd->channel_flags = cpu_to_le32(0x00000000);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_SLOT.
- */
-struct mwl8k_cmd_set_slot {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __u8 short_slot;
-} __attribute__((packed));
-
-static int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time)
-{
- struct mwl8k_cmd_set_slot *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(MWL8K_CMD_SET);
- cmd->short_slot = short_slot_time;
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_MIMO_CONFIG.
- */
-struct mwl8k_cmd_mimo_config {
- struct mwl8k_cmd_pkt header;
- __le32 action;
- __u8 rx_antenna_map;
- __u8 tx_antenna_map;
-} __attribute__((packed));
-
-static int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx)
-{
- struct mwl8k_cmd_mimo_config *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET);
- cmd->rx_antenna_map = rx;
- cmd->tx_antenna_map = tx;
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_ENABLE_SNIFFER.
- */
-struct mwl8k_cmd_enable_sniffer {
- struct mwl8k_cmd_pkt header;
- __le32 action;
-} __attribute__((packed));
-
-static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable)
-{
- struct mwl8k_cmd_enable_sniffer *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le32(!!enable);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_MAC_ADDR.
- */
-struct mwl8k_cmd_set_mac_addr {
- struct mwl8k_cmd_pkt header;
- union {
- struct {
- __le16 mac_type;
- __u8 mac_addr[ETH_ALEN];
- } mbss;
- __u8 mac_addr[ETH_ALEN];
- };
-} __attribute__((packed));
-
-static int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_set_mac_addr *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- if (priv->ap_fw) {
- cmd->mbss.mac_type = 0;
- memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN);
- } else {
- memcpy(cmd->mac_addr, mac, ETH_ALEN);
- }
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-
-/*
- * CMD_SET_RATEADAPT_MODE.
- */
-struct mwl8k_cmd_set_rate_adapt_mode {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __le16 mode;
-} __attribute__((packed));
-
-static int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw *hw, __u16 mode)
-{
- struct mwl8k_cmd_set_rate_adapt_mode *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(MWL8K_CMD_SET);
- cmd->mode = cpu_to_le16(mode);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_WMM_MODE.
- */
-struct mwl8k_cmd_set_wmm {
- struct mwl8k_cmd_pkt header;
- __le16 action;
-} __attribute__((packed));
-
-static int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_set_wmm *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(!!enable);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- if (!rc)
- priv->wmm_enabled = enable;
-
- return rc;
-}
-
-/*
- * CMD_SET_RTS_THRESHOLD.
- */
-struct mwl8k_cmd_rts_threshold {
- struct mwl8k_cmd_pkt header;
- __le16 action;
- __le16 threshold;
-} __attribute__((packed));
-
-static int mwl8k_rts_threshold(struct ieee80211_hw *hw,
- u16 action, u16 threshold)
-{
- struct mwl8k_cmd_rts_threshold *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(action);
- cmd->threshold = cpu_to_le16(threshold);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_EDCA_PARAMS.
- */
-struct mwl8k_cmd_set_edca_params {
- struct mwl8k_cmd_pkt header;
-
- /* See MWL8K_SET_EDCA_XXX below */
- __le16 action;
-
- /* TX opportunity in units of 32 us */
- __le16 txop;
-
- union {
- struct {
- /* Log exponent of max contention period: 0...15 */
- __le32 log_cw_max;
-
- /* Log exponent of min contention period: 0...15 */
- __le32 log_cw_min;
-
- /* Adaptive interframe spacing in units of 32us */
- __u8 aifs;
-
- /* TX queue to configure */
- __u8 txq;
- } ap;
- struct {
- /* Log exponent of max contention period: 0...15 */
- __u8 log_cw_max;
-
- /* Log exponent of min contention period: 0...15 */
- __u8 log_cw_min;
-
- /* Adaptive interframe spacing in units of 32us */
- __u8 aifs;
-
- /* TX queue to configure */
- __u8 txq;
- } sta;
- };
-} __attribute__((packed));
-
-#define MWL8K_SET_EDCA_CW 0x01
-#define MWL8K_SET_EDCA_TXOP 0x02
-#define MWL8K_SET_EDCA_AIFS 0x04
-
-#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \
- MWL8K_SET_EDCA_TXOP | \
- MWL8K_SET_EDCA_AIFS)
-
-static int
-mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum,
- __u16 cw_min, __u16 cw_max,
- __u8 aifs, __u16 txop)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_set_edca_params *cmd;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- /*
- * Queues 0 (BE) and 1 (BK) are swapped in hardware for
- * this call.
- */
- qnum ^= !(qnum >> 1);
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);
- cmd->txop = cpu_to_le16(txop);
- if (priv->ap_fw) {
- cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1));
- cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1));
- cmd->ap.aifs = aifs;
- cmd->ap.txq = qnum;
- } else {
- cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1);
- cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1);
- cmd->sta.aifs = aifs;
- cmd->sta.txq = qnum;
- }
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_FINALIZE_JOIN.
- */
-
-/* FJ beacon buffer size is compiled into the firmware. */
-#define MWL8K_FJ_BEACON_MAXLEN 128
-
-struct mwl8k_cmd_finalize_join {
- struct mwl8k_cmd_pkt header;
- __le32 sleep_interval; /* Number of beacon periods to sleep */
- __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN];
-} __attribute__((packed));
-
-static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame,
- __u16 framelen, __u16 dtim)
-{
- struct mwl8k_cmd_finalize_join *cmd;
- struct ieee80211_mgmt *payload = frame;
- u16 hdrlen;
- u32 payload_len;
- int rc;
-
- if (frame == NULL)
- return -EINVAL;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1);
-
- hdrlen = ieee80211_hdrlen(payload->frame_control);
-
- payload_len = framelen > hdrlen ? framelen - hdrlen : 0;
-
- /* XXX TBD Might just have to abort and return an error */
- if (payload_len > MWL8K_FJ_BEACON_MAXLEN)
- printk(KERN_ERR "%s(): WARNING: Incomplete beacon "
- "sent to firmware. Sz=%u MAX=%u\n", __func__,
- payload_len, MWL8K_FJ_BEACON_MAXLEN);
-
- if (payload_len > MWL8K_FJ_BEACON_MAXLEN)
- payload_len = MWL8K_FJ_BEACON_MAXLEN;
-
- if (payload && payload_len)
- memcpy(cmd->beacon_data, &payload->u.beacon, payload_len);
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
- return rc;
-}
-
-/*
- * CMD_UPDATE_STADB.
- */
-struct mwl8k_cmd_update_sta_db {
- struct mwl8k_cmd_pkt header;
-
- /* See STADB_ACTION_TYPE */
- __le32 action;
-
- /* Peer MAC address */
- __u8 peer_addr[ETH_ALEN];
-
- __le32 reserved;
-
- /* Peer info - valid during add/update. */
- struct peer_capability_info peer_info;
-} __attribute__((packed));
-
-static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, __u32 action)
-{
- struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
- struct ieee80211_bss_conf *info = &mv_vif->bss_info;
- struct mwl8k_cmd_update_sta_db *cmd;
- struct peer_capability_info *peer_info;
- struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
- int rc;
- __u8 count, *rates;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- cmd->action = cpu_to_le32(action);
- peer_info = &cmd->peer_info;
- memcpy(cmd->peer_addr, mv_vif->bssid, ETH_ALEN);
-
- switch (action) {
- case MWL8K_STA_DB_ADD_ENTRY:
- case MWL8K_STA_DB_MODIFY_ENTRY:
- /* Build peer_info block */
- peer_info->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT;
- peer_info->basic_caps = cpu_to_le16(info->assoc_capability);
- peer_info->interop = 1;
- peer_info->amsdu_enabled = 0;
-
- rates = peer_info->legacy_rates;
- for (count = 0; count < mv_vif->legacy_nrates; count++)
- rates[count] = bitrates[count].hw_value;
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- if (rc == 0)
- mv_vif->peer_id = peer_info->station_id;
-
- break;
-
- case MWL8K_STA_DB_DEL_ENTRY:
- case MWL8K_STA_DB_FLUSH:
- default:
- rc = mwl8k_post_cmd(hw, &cmd->header);
- if (rc == 0)
- mv_vif->peer_id = 0;
- break;
- }
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_AID.
- */
-#define MWL8K_RATE_INDEX_MAX_ARRAY 14
-
-#define MWL8K_FRAME_PROT_DISABLED 0x00
-#define MWL8K_FRAME_PROT_11G 0x07
-#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02
-#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06
-
-struct mwl8k_cmd_update_set_aid {
- struct mwl8k_cmd_pkt header;
- __le16 aid;
-
- /* AP's MAC address (BSSID) */
- __u8 bssid[ETH_ALEN];
- __le16 protection_mode;
- __u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY];
-} __attribute__((packed));
-
-static int mwl8k_cmd_set_aid(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
- struct ieee80211_bss_conf *info = &mv_vif->bss_info;
- struct mwl8k_cmd_update_set_aid *cmd;
- struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
- int count;
- u16 prot_mode;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->aid = cpu_to_le16(info->aid);
-
- memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN);
-
- if (info->use_cts_prot) {
- prot_mode = MWL8K_FRAME_PROT_11G;
- } else {
- switch (info->ht_operation_mode &
- IEEE80211_HT_OP_MODE_PROTECTION) {
- case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
- prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY;
- break;
- case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
- prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL;
- break;
- default:
- prot_mode = MWL8K_FRAME_PROT_DISABLED;
- break;
- }
- }
- cmd->protection_mode = cpu_to_le16(prot_mode);
-
- for (count = 0; count < mv_vif->legacy_nrates; count++)
- cmd->supp_rates[count] = bitrates[count].hw_value;
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_SET_RATE.
- */
-struct mwl8k_cmd_update_rateset {
- struct mwl8k_cmd_pkt header;
- __u8 legacy_rates[MWL8K_RATE_INDEX_MAX_ARRAY];
-
- /* Bitmap for supported MCS codes. */
- __u8 mcs_set[MWL8K_IEEE_LEGACY_DATA_RATES];
- __u8 reserved[MWL8K_IEEE_LEGACY_DATA_RATES];
-} __attribute__((packed));
-
-static int mwl8k_update_rateset(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
- struct mwl8k_cmd_update_rateset *cmd;
- struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
- int count;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- for (count = 0; count < mv_vif->legacy_nrates; count++)
- cmd->legacy_rates[count] = bitrates[count].hw_value;
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-/*
- * CMD_USE_FIXED_RATE.
- */
-#define MWL8K_RATE_TABLE_SIZE 8
-#define MWL8K_UCAST_RATE 0
-#define MWL8K_USE_AUTO_RATE 0x0002
-
-struct mwl8k_rate_entry {
- /* Set to 1 if HT rate, 0 if legacy. */
- __le32 is_ht_rate;
-
- /* Set to 1 to use retry_count field. */
- __le32 enable_retry;
-
- /* Specified legacy rate or MCS. */
- __le32 rate;
-
- /* Number of allowed retries. */
- __le32 retry_count;
-} __attribute__((packed));
-
-struct mwl8k_rate_table {
- /* 1 to allow specified rate and below */
- __le32 allow_rate_drop;
- __le32 num_rates;
- struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE];
-} __attribute__((packed));
-
-struct mwl8k_cmd_use_fixed_rate {
- struct mwl8k_cmd_pkt header;
- __le32 action;
- struct mwl8k_rate_table rate_table;
-
- /* Unicast, Broadcast or Multicast */
- __le32 rate_type;
- __le32 reserved1;
- __le32 reserved2;
-} __attribute__((packed));
-
-static int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw,
- u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table)
-{
- struct mwl8k_cmd_use_fixed_rate *cmd;
- int count;
- int rc;
-
- cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
- if (cmd == NULL)
- return -ENOMEM;
-
- cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE);
- cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- cmd->action = cpu_to_le32(action);
- cmd->rate_type = cpu_to_le32(rate_type);
-
- if (rate_table != NULL) {
- /*
- * Copy over each field manually so that endian
- * conversion can be done.
- */
- cmd->rate_table.allow_rate_drop =
- cpu_to_le32(rate_table->allow_rate_drop);
- cmd->rate_table.num_rates =
- cpu_to_le32(rate_table->num_rates);
-
- for (count = 0; count < rate_table->num_rates; count++) {
- struct mwl8k_rate_entry *dst =
- &cmd->rate_table.rate_entry[count];
- struct mwl8k_rate_entry *src =
- &rate_table->rate_entry[count];
-
- dst->is_ht_rate = cpu_to_le32(src->is_ht_rate);
- dst->enable_retry = cpu_to_le32(src->enable_retry);
- dst->rate = cpu_to_le32(src->rate);
- dst->retry_count = cpu_to_le32(src->retry_count);
- }
- }
-
- rc = mwl8k_post_cmd(hw, &cmd->header);
- kfree(cmd);
-
- return rc;
-}
-
-
-/*
- * Interrupt handling.
- */
-static irqreturn_t mwl8k_interrupt(int irq, void *dev_id)
-{
- struct ieee80211_hw *hw = dev_id;
- struct mwl8k_priv *priv = hw->priv;
- u32 status;
-
- status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
-
- if (!status)
- return IRQ_NONE;
-
- if (status & MWL8K_A2H_INT_TX_DONE)
- tasklet_schedule(&priv->tx_reclaim_task);
-
- if (status & MWL8K_A2H_INT_RX_READY) {
- while (rxq_process(hw, 0, 1))
- rxq_refill(hw, 0, 1);
- }
-
- if (status & MWL8K_A2H_INT_OPC_DONE) {
- if (priv->hostcmd_wait != NULL)
- complete(priv->hostcmd_wait);
- }
-
- if (status & MWL8K_A2H_INT_QUEUE_EMPTY) {
- if (!mutex_is_locked(&priv->fw_mutex) &&
- priv->radio_on && priv->pending_tx_pkts)
- mwl8k_tx_start(priv);
- }
-
- return IRQ_HANDLED;
-}
-
-
-/*
- * Core driver operations.
- */
-static int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
- struct mwl8k_priv *priv = hw->priv;
- int index = skb_get_queue_mapping(skb);
- int rc;
-
- if (priv->current_channel == NULL) {
- printk(KERN_DEBUG "%s: dropped TX frame since radio "
- "disabled\n", wiphy_name(hw->wiphy));
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
- }
-
- rc = mwl8k_txq_xmit(hw, index, skb);
-
- return rc;
-}
-
-static int mwl8k_start(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- int rc;
-
- rc = request_irq(priv->pdev->irq, &mwl8k_interrupt,
- IRQF_SHARED, MWL8K_NAME, hw);
- if (rc) {
- printk(KERN_ERR "%s: failed to register IRQ handler\n",
- wiphy_name(hw->wiphy));
- return -EIO;
- }
-
- /* Enable tx reclaim tasklet */
- tasklet_enable(&priv->tx_reclaim_task);
-
- /* Enable interrupts */
- iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
-
- rc = mwl8k_fw_lock(hw);
- if (!rc) {
- rc = mwl8k_cmd_802_11_radio_enable(hw);
-
- if (!priv->ap_fw) {
- if (!rc)
- rc = mwl8k_enable_sniffer(hw, 0);
-
- if (!rc)
- rc = mwl8k_cmd_set_pre_scan(hw);
-
- if (!rc)
- rc = mwl8k_cmd_set_post_scan(hw,
- "\x00\x00\x00\x00\x00\x00");
- }
-
- if (!rc)
- rc = mwl8k_cmd_setrateadaptmode(hw, 0);
-
- if (!rc)
- rc = mwl8k_set_wmm(hw, 0);
-
- mwl8k_fw_unlock(hw);
- }
-
- if (rc) {
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- free_irq(priv->pdev->irq, hw);
- tasklet_disable(&priv->tx_reclaim_task);
- }
-
- return rc;
-}
-
-static void mwl8k_stop(struct ieee80211_hw *hw)
-{
- struct mwl8k_priv *priv = hw->priv;
- int i;
-
- mwl8k_cmd_802_11_radio_disable(hw);
-
- ieee80211_stop_queues(hw);
-
- /* Disable interrupts */
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- free_irq(priv->pdev->irq, hw);
-
- /* Stop finalize join worker */
- cancel_work_sync(&priv->finalize_join_worker);
- if (priv->beacon_skb != NULL)
- dev_kfree_skb(priv->beacon_skb);
-
- /* Stop tx reclaim tasklet */
- tasklet_disable(&priv->tx_reclaim_task);
-
- /* Return all skbs to mac80211 */
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_reclaim(hw, i, 1);
-}
-
-static int mwl8k_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_vif *mwl8k_vif;
-
- /*
- * We only support one active interface at a time.
- */
- if (priv->vif != NULL)
- return -EBUSY;
-
- /*
- * We only support managed interfaces for now.
- */
- if (conf->type != NL80211_IFTYPE_STATION)
- return -EINVAL;
-
- /*
- * Reject interface creation if sniffer mode is active, as
- * STA operation is mutually exclusive with hardware sniffer
- * mode.
- */
- if (priv->sniffer_enabled) {
- printk(KERN_INFO "%s: unable to create STA "
- "interface due to sniffer mode being enabled\n",
- wiphy_name(hw->wiphy));
- return -EINVAL;
- }
-
- /* Clean out driver private area */
- mwl8k_vif = MWL8K_VIF(conf->vif);
- memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
-
- /* Set and save the mac address */
- mwl8k_set_mac_addr(hw, conf->mac_addr);
- memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN);
-
- /* Back pointer to parent config block */
- mwl8k_vif->priv = priv;
-
- /* Setup initial PHY parameters */
- memcpy(mwl8k_vif->legacy_rates,
- priv->rates, sizeof(mwl8k_vif->legacy_rates));
- mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates);
-
- /* Set Initial sequence number to zero */
- mwl8k_vif->seqno = 0;
-
- priv->vif = conf->vif;
- priv->current_channel = NULL;
-
- return 0;
-}
-
-static void mwl8k_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
-{
- struct mwl8k_priv *priv = hw->priv;
-
- if (priv->vif == NULL)
- return;
-
- mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
-
- priv->vif = NULL;
-}
-
-static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
-{
- struct ieee80211_conf *conf = &hw->conf;
- struct mwl8k_priv *priv = hw->priv;
- int rc;
-
- if (conf->flags & IEEE80211_CONF_IDLE) {
- mwl8k_cmd_802_11_radio_disable(hw);
- priv->current_channel = NULL;
- return 0;
- }
-
- rc = mwl8k_fw_lock(hw);
- if (rc)
- return rc;
-
- rc = mwl8k_cmd_802_11_radio_enable(hw);
- if (rc)
- goto out;
-
- rc = mwl8k_cmd_set_rf_channel(hw, conf->channel);
- if (rc)
- goto out;
-
- priv->current_channel = conf->channel;
-
- if (conf->power_level > 18)
- conf->power_level = 18;
- rc = mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level);
- if (rc)
- goto out;
-
- if (priv->ap_fw) {
- rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x7);
- if (!rc)
- rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7);
- } else {
- rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7);
- }
-
-out:
- mwl8k_fw_unlock(hw);
-
- return rc;
-}
-
-static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info,
- u32 changed)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
- int rc;
-
- if (changed & BSS_CHANGED_BSSID)
- memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN);
-
- if ((changed & BSS_CHANGED_ASSOC) == 0)
- return;
-
- priv->capture_beacon = false;
-
- rc = mwl8k_fw_lock(hw);
- if (rc)
- return;
-
- if (info->assoc) {
- memcpy(&mwl8k_vif->bss_info, info,
- sizeof(struct ieee80211_bss_conf));
-
- /* Install rates */
- rc = mwl8k_update_rateset(hw, vif);
- if (rc)
- goto out;
-
- /* Turn on rate adaptation */
- rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
- MWL8K_UCAST_RATE, NULL);
- if (rc)
- goto out;
-
- /* Set radio preamble */
- rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble);
- if (rc)
- goto out;
-
- /* Set slot time */
- rc = mwl8k_cmd_set_slot(hw, info->use_short_slot);
- if (rc)
- goto out;
-
- /* Update peer rate info */
- rc = mwl8k_cmd_update_sta_db(hw, vif,
- MWL8K_STA_DB_MODIFY_ENTRY);
- if (rc)
- goto out;
-
- /* Set AID */
- rc = mwl8k_cmd_set_aid(hw, vif);
- if (rc)
- goto out;
-
- /*
- * Finalize the join. Tell rx handler to process
- * next beacon from our BSSID.
- */
- memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN);
- priv->capture_beacon = true;
- } else {
- rc = mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY);
- memset(&mwl8k_vif->bss_info, 0,
- sizeof(struct ieee80211_bss_conf));
- memset(mwl8k_vif->bssid, 0, ETH_ALEN);
- }
-
-out:
- mwl8k_fw_unlock(hw);
-}
-
-static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,
- int mc_count, struct dev_addr_list *mclist)
-{
- struct mwl8k_cmd_pkt *cmd;
-
- /*
- * Synthesize and return a command packet that programs the
- * hardware multicast address filter. At this point we don't
- * know whether FIF_ALLMULTI is being requested, but if it is,
- * we'll end up throwing this packet away and creating a new
- * one in mwl8k_configure_filter().
- */
- cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_count, mclist);
-
- return (unsigned long)cmd;
-}
-
-static int
-mwl8k_configure_filter_sniffer(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags)
-{
- struct mwl8k_priv *priv = hw->priv;
-
- /*
- * Hardware sniffer mode is mutually exclusive with STA
- * operation, so refuse to enable sniffer mode if a STA
- * interface is active.
- */
- if (priv->vif != NULL) {
- if (net_ratelimit())
- printk(KERN_INFO "%s: not enabling sniffer "
- "mode because STA interface is active\n",
- wiphy_name(hw->wiphy));
- return 0;
- }
-
- if (!priv->sniffer_enabled) {
- if (mwl8k_enable_sniffer(hw, 1))
- return 0;
- priv->sniffer_enabled = true;
- }
-
- *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI |
- FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL |
- FIF_OTHER_BSS;
-
- return 1;
-}
-
-static void mwl8k_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags,
- u64 multicast)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast;
-
- /*
- * AP firmware doesn't allow fine-grained control over
- * the receive filter.
- */
- if (priv->ap_fw) {
- *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
- kfree(cmd);
- return;
- }
-
- /*
- * Enable hardware sniffer mode if FIF_CONTROL or
- * FIF_OTHER_BSS is requested.
- */
- if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) &&
- mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) {
- kfree(cmd);
- return;
- }
-
- /* Clear unsupported feature flags */
- *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
-
- if (mwl8k_fw_lock(hw))
- return;
-
- if (priv->sniffer_enabled) {
- mwl8k_enable_sniffer(hw, 0);
- priv->sniffer_enabled = false;
- }
-
- if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
- if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
- /*
- * Disable the BSS filter.
- */
- mwl8k_cmd_set_pre_scan(hw);
- } else {
- u8 *bssid;
-
- /*
- * Enable the BSS filter.
- *
- * If there is an active STA interface, use that
- * interface's BSSID, otherwise use a dummy one
- * (where the OUI part needs to be nonzero for
- * the BSSID to be accepted by POST_SCAN).
- */
- bssid = "\x01\x00\x00\x00\x00\x00";
- if (priv->vif != NULL)
- bssid = MWL8K_VIF(priv->vif)->bssid;
-
- mwl8k_cmd_set_post_scan(hw, bssid);
- }
- }
-
- /*
- * If FIF_ALLMULTI is being requested, throw away the command
- * packet that ->prepare_multicast() built and replace it with
- * a command packet that enables reception of all multicast
- * packets.
- */
- if (*total_flags & FIF_ALLMULTI) {
- kfree(cmd);
- cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, 0, NULL);
- }
-
- if (cmd != NULL) {
- mwl8k_post_cmd(hw, cmd);
- kfree(cmd);
- }
-
- mwl8k_fw_unlock(hw);
-}
-
-static int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
-{
- return mwl8k_rts_threshold(hw, MWL8K_CMD_SET, value);
-}
-
-static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
- const struct ieee80211_tx_queue_params *params)
-{
- struct mwl8k_priv *priv = hw->priv;
- int rc;
-
- rc = mwl8k_fw_lock(hw);
- if (!rc) {
- if (!priv->wmm_enabled)
- rc = mwl8k_set_wmm(hw, 1);
-
- if (!rc)
- rc = mwl8k_set_edca_params(hw, queue,
- params->cw_min,
- params->cw_max,
- params->aifs,
- params->txop);
-
- mwl8k_fw_unlock(hw);
- }
-
- return rc;
-}
-
-static int mwl8k_get_tx_stats(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats)
-{
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_tx_queue *txq;
- int index;
-
- spin_lock_bh(&priv->tx_lock);
- for (index = 0; index < MWL8K_TX_QUEUES; index++) {
- txq = priv->txq + index;
- memcpy(&stats[index], &txq->stats,
- sizeof(struct ieee80211_tx_queue_stats));
- }
- spin_unlock_bh(&priv->tx_lock);
-
- return 0;
-}
-
-static int mwl8k_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
-{
- return mwl8k_cmd_802_11_get_stat(hw, stats);
-}
-
-static const struct ieee80211_ops mwl8k_ops = {
- .tx = mwl8k_tx,
- .start = mwl8k_start,
- .stop = mwl8k_stop,
- .add_interface = mwl8k_add_interface,
- .remove_interface = mwl8k_remove_interface,
- .config = mwl8k_config,
- .bss_info_changed = mwl8k_bss_info_changed,
- .prepare_multicast = mwl8k_prepare_multicast,
- .configure_filter = mwl8k_configure_filter,
- .set_rts_threshold = mwl8k_set_rts_threshold,
- .conf_tx = mwl8k_conf_tx,
- .get_tx_stats = mwl8k_get_tx_stats,
- .get_stats = mwl8k_get_stats,
-};
-
-static void mwl8k_tx_reclaim_handler(unsigned long data)
-{
- int i;
- struct ieee80211_hw *hw = (struct ieee80211_hw *) data;
- struct mwl8k_priv *priv = hw->priv;
-
- spin_lock_bh(&priv->tx_lock);
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_reclaim(hw, i, 0);
-
- if (priv->tx_wait != NULL && !priv->pending_tx_pkts) {
- complete(priv->tx_wait);
- priv->tx_wait = NULL;
- }
- spin_unlock_bh(&priv->tx_lock);
-}
-
-static void mwl8k_finalize_join_worker(struct work_struct *work)
-{
- struct mwl8k_priv *priv =
- container_of(work, struct mwl8k_priv, finalize_join_worker);
- struct sk_buff *skb = priv->beacon_skb;
- u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period;
-
- mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim);
- dev_kfree_skb(skb);
-
- priv->beacon_skb = NULL;
-}
-
-enum {
- MWL8687 = 0,
- MWL8366,
-};
-
-static struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = {
- {
- .part_name = "88w8687",
- .helper_image = "mwl8k/helper_8687.fw",
- .fw_image = "mwl8k/fmimage_8687.fw",
- .rxd_ops = &rxd_8687_ops,
- .modes = BIT(NL80211_IFTYPE_STATION),
- },
- {
- .part_name = "88w8366",
- .helper_image = "mwl8k/helper_8366.fw",
- .fw_image = "mwl8k/fmimage_8366.fw",
- .rxd_ops = &rxd_8366_ops,
- .modes = 0,
- },
-};
-
-static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
- { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, },
- { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, },
- { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, },
- { },
-};
-MODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table);
-
-static int __devinit mwl8k_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- static int printed_version = 0;
- struct ieee80211_hw *hw;
- struct mwl8k_priv *priv;
- int rc;
- int i;
-
- if (!printed_version) {
- printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION);
- printed_version = 1;
- }
-
- rc = pci_enable_device(pdev);
- if (rc) {
- printk(KERN_ERR "%s: Cannot enable new PCI device\n",
- MWL8K_NAME);
- return rc;
- }
-
- rc = pci_request_regions(pdev, MWL8K_NAME);
- if (rc) {
- printk(KERN_ERR "%s: Cannot obtain PCI resources\n",
- MWL8K_NAME);
- return rc;
- }
-
- pci_set_master(pdev);
-
- hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops);
- if (hw == NULL) {
- printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME);
- rc = -ENOMEM;
- goto err_free_reg;
- }
-
- priv = hw->priv;
- priv->hw = hw;
- priv->pdev = pdev;
- priv->device_info = &mwl8k_info_tbl[id->driver_data];
- priv->rxd_ops = priv->device_info->rxd_ops;
- priv->sniffer_enabled = false;
- priv->wmm_enabled = false;
- priv->pending_tx_pkts = 0;
-
- SET_IEEE80211_DEV(hw, &pdev->dev);
- pci_set_drvdata(pdev, hw);
-
- priv->sram = pci_iomap(pdev, 0, 0x10000);
- if (priv->sram == NULL) {
- printk(KERN_ERR "%s: Cannot map device SRAM\n",
- wiphy_name(hw->wiphy));
- goto err_iounmap;
- }
-
- /*
- * If BAR0 is a 32 bit BAR, the register BAR will be BAR1.
- * If BAR0 is a 64 bit BAR, the register BAR will be BAR2.
- */
- priv->regs = pci_iomap(pdev, 1, 0x10000);
- if (priv->regs == NULL) {
- priv->regs = pci_iomap(pdev, 2, 0x10000);
- if (priv->regs == NULL) {
- printk(KERN_ERR "%s: Cannot map device registers\n",
- wiphy_name(hw->wiphy));
- goto err_iounmap;
- }
- }
-
- memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels));
- priv->band.band = IEEE80211_BAND_2GHZ;
- priv->band.channels = priv->channels;
- priv->band.n_channels = ARRAY_SIZE(mwl8k_channels);
- priv->band.bitrates = priv->rates;
- priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates);
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
-
- BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates));
- memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates));
-
- /*
- * Extra headroom is the size of the required DMA header
- * minus the size of the smallest 802.11 frame (CTS frame).
- */
- hw->extra_tx_headroom =
- sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts);
-
- hw->channel_change_time = 10;
-
- hw->queues = MWL8K_TX_QUEUES;
-
- hw->wiphy->interface_modes = priv->device_info->modes;
-
- /* Set rssi and noise values to dBm */
- hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM;
- hw->vif_data_size = sizeof(struct mwl8k_vif);
- priv->vif = NULL;
-
- /* Set default radio state and preamble */
- priv->radio_on = 0;
- priv->radio_short_preamble = 0;
-
- /* Finalize join worker */
- INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker);
-
- /* TX reclaim tasklet */
- tasklet_init(&priv->tx_reclaim_task,
- mwl8k_tx_reclaim_handler, (unsigned long)hw);
- tasklet_disable(&priv->tx_reclaim_task);
-
- /* Power management cookie */
- priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma);
- if (priv->cookie == NULL)
- goto err_iounmap;
-
- rc = mwl8k_rxq_init(hw, 0);
- if (rc)
- goto err_iounmap;
- rxq_refill(hw, 0, INT_MAX);
-
- mutex_init(&priv->fw_mutex);
- priv->fw_mutex_owner = NULL;
- priv->fw_mutex_depth = 0;
- priv->hostcmd_wait = NULL;
-
- spin_lock_init(&priv->tx_lock);
-
- priv->tx_wait = NULL;
-
- for (i = 0; i < MWL8K_TX_QUEUES; i++) {
- rc = mwl8k_txq_init(hw, i);
- if (rc)
- goto err_free_queues;
- }
-
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL);
- iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK);
-
- rc = request_irq(priv->pdev->irq, &mwl8k_interrupt,
- IRQF_SHARED, MWL8K_NAME, hw);
- if (rc) {
- printk(KERN_ERR "%s: failed to register IRQ handler\n",
- wiphy_name(hw->wiphy));
- goto err_free_queues;
- }
-
- /* Reset firmware and hardware */
- mwl8k_hw_reset(priv);
-
- /* Ask userland hotplug daemon for the device firmware */
- rc = mwl8k_request_firmware(priv);
- if (rc) {
- printk(KERN_ERR "%s: Firmware files not found\n",
- wiphy_name(hw->wiphy));
- goto err_free_irq;
- }
-
- /* Load firmware into hardware */
- rc = mwl8k_load_firmware(hw);
- if (rc) {
- printk(KERN_ERR "%s: Cannot start firmware\n",
- wiphy_name(hw->wiphy));
- goto err_stop_firmware;
- }
-
- /* Reclaim memory once firmware is successfully loaded */
- mwl8k_release_firmware(priv);
-
- /*
- * Temporarily enable interrupts. Initial firmware host
- * commands use interrupts and avoids polling. Disable
- * interrupts when done.
- */
- iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
-
- /* Get config data, mac addrs etc */
- if (priv->ap_fw) {
- rc = mwl8k_cmd_get_hw_spec_ap(hw);
- if (!rc)
- rc = mwl8k_cmd_set_hw_spec(hw);
- } else {
- rc = mwl8k_cmd_get_hw_spec_sta(hw);
- }
- if (rc) {
- printk(KERN_ERR "%s: Cannot initialise firmware\n",
- wiphy_name(hw->wiphy));
- goto err_stop_firmware;
- }
-
- /* Turn radio off */
- rc = mwl8k_cmd_802_11_radio_disable(hw);
- if (rc) {
- printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy));
- goto err_stop_firmware;
- }
-
- /* Clear MAC address */
- rc = mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
- if (rc) {
- printk(KERN_ERR "%s: Cannot clear MAC address\n",
- wiphy_name(hw->wiphy));
- goto err_stop_firmware;
- }
-
- /* Disable interrupts */
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- free_irq(priv->pdev->irq, hw);
-
- rc = ieee80211_register_hw(hw);
- if (rc) {
- printk(KERN_ERR "%s: Cannot register device\n",
- wiphy_name(hw->wiphy));
- goto err_stop_firmware;
- }
-
- printk(KERN_INFO "%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n",
- wiphy_name(hw->wiphy), priv->device_info->part_name,
- priv->hw_rev, hw->wiphy->perm_addr,
- priv->ap_fw ? "AP" : "STA",
- (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff,
- (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff);
-
- return 0;
-
-err_stop_firmware:
- mwl8k_hw_reset(priv);
- mwl8k_release_firmware(priv);
-
-err_free_irq:
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- free_irq(priv->pdev->irq, hw);
-
-err_free_queues:
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_deinit(hw, i);
- mwl8k_rxq_deinit(hw, 0);
-
-err_iounmap:
- if (priv->cookie != NULL)
- pci_free_consistent(priv->pdev, 4,
- priv->cookie, priv->cookie_dma);
-
- if (priv->regs != NULL)
- pci_iounmap(pdev, priv->regs);
-
- if (priv->sram != NULL)
- pci_iounmap(pdev, priv->sram);
-
- pci_set_drvdata(pdev, NULL);
- ieee80211_free_hw(hw);
-
-err_free_reg:
- pci_release_regions(pdev);
- pci_disable_device(pdev);
-
- return rc;
-}
-
-static void __devexit mwl8k_shutdown(struct pci_dev *pdev)
-{
- printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__);
-}
-
-static void __devexit mwl8k_remove(struct pci_dev *pdev)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct mwl8k_priv *priv;
- int i;
-
- if (hw == NULL)
- return;
- priv = hw->priv;
-
- ieee80211_stop_queues(hw);
-
- ieee80211_unregister_hw(hw);
-
- /* Remove tx reclaim tasklet */
- tasklet_kill(&priv->tx_reclaim_task);
-
- /* Stop hardware */
- mwl8k_hw_reset(priv);
-
- /* Return all skbs to mac80211 */
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_reclaim(hw, i, 1);
-
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_deinit(hw, i);
-
- mwl8k_rxq_deinit(hw, 0);
-
- pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma);
-
- pci_iounmap(pdev, priv->regs);
- pci_iounmap(pdev, priv->sram);
- pci_set_drvdata(pdev, NULL);
- ieee80211_free_hw(hw);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
-}
-
-static struct pci_driver mwl8k_driver = {
- .name = MWL8K_NAME,
- .id_table = mwl8k_pci_id_table,
- .probe = mwl8k_probe,
- .remove = __devexit_p(mwl8k_remove),
- .shutdown = __devexit_p(mwl8k_shutdown),
-};
-
-static int __init mwl8k_init(void)
-{
- return pci_register_driver(&mwl8k_driver);
-}
-
-static void __exit mwl8k_exit(void)
-{
- pci_unregister_driver(&mwl8k_driver);
-}
-
-module_init(mwl8k_init);
-module_exit(mwl8k_exit);
-
-MODULE_DESCRIPTION(MWL8K_DESC);
-MODULE_VERSION(MWL8K_VERSION);
-MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
-MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,29 @@
+config MWL8K_COMMON
+ tristate "Marvell 88W8xxx PCI/PCIe Wireless support"
+ depends on MAC80211 && PCI && WLAN_80211 && EXPERIMENTAL
+ ---help---
+ This is common code for Marvell TOPDOG 802.11 wireless cards. This
+ module does nothing by itself - the device-specific front-ends
+ also need to be enabled in order to support any devices.
+
+ To compile this driver as a module, choose M here: the module
+ will be called mwl8k. If unsure, say N.
+
+config MWL8687
+ tristate "Marvell 88W8687 PCI/PCIe Wireless support"
+ depends on MWL8K_COMMON
+ ---help---
+ This driver is for Marvell TOPDOG 88w8687-based wireless cards.
+
+ To compile this driver as a module, choose M here: the module
+ will be called mwl8687. If unsure, say N.
+
+config MWL8366
+ tristate "Marvell 88W8366 PCI/PCIe Wireless support"
+ depends on MWL8K_COMMON
+ ---help---
+ This driver is for Marvell TOPDOG 88w8366-based wireless cards.
+
+ To compile this driver as a module, choose M here: the module
+ will be called mwl8366. If unsure, say N.
+
new file mode 100644
@@ -0,0 +1,4 @@
+obj-$(CONFIG_MWL8K_COMMON) += mwl8k.o
+obj-$(CONFIG_MWL8687) += mwl8687.o
+obj-$(CONFIG_MWL8366) += mwl8366.o
+
new file mode 100644
@@ -0,0 +1,153 @@
+/*
+ * drivers/net/wireless/mwl8k.c
+ * Driver for Marvell TOPDOG 802.11 Wireless cards
+ *
+ * Copyright (C) 2008-2009 Marvell Semiconductor Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include "mwl8k.h"
+#include <linux/pci.h>
+
+#define MWL8366_DESC MWL8K_DESC " for 88w8366-based devices"
+
+/*
+ * Receive descriptor
+ */
+struct mwl8k_rxd_8366 {
+ __le16 pkt_len;
+ __u8 sq2;
+ __u8 rate;
+ __le32 pkt_phys_addr;
+ __le32 next_rxd_phys_addr;
+ __le16 qos_control;
+ __le16 htsig2;
+ __le32 hw_rssi_info;
+ __le32 hw_noise_floor_info;
+ __u8 noise_floor;
+ __u8 pad0[3];
+ __u8 rssi;
+ __u8 rx_status;
+ __u8 channel;
+ __u8 rx_ctrl;
+} __attribute__((packed));
+
+#define MWL8K_8366_RX_CTRL_OWNED_BY_HOST 0x80
+
+static void mwl8k_rxd_8366_init(void *_rxd, dma_addr_t next_dma_addr)
+{
+ struct mwl8k_rxd_8366 *rxd = _rxd;
+
+ rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr);
+ rxd->rx_ctrl = MWL8K_8366_RX_CTRL_OWNED_BY_HOST;
+}
+
+static void mwl8k_rxd_8366_refill(void *_rxd, dma_addr_t addr, int len)
+{
+ struct mwl8k_rxd_8366 *rxd = _rxd;
+
+ rxd->pkt_len = cpu_to_le16(len);
+ rxd->pkt_phys_addr = cpu_to_le32(addr);
+ wmb();
+ rxd->rx_ctrl = 0;
+}
+
+static int
+mwl8k_rxd_8366_process(void *_rxd, struct ieee80211_rx_status *status)
+{
+ struct mwl8k_rxd_8366 *rxd = _rxd;
+
+ if (!(rxd->rx_ctrl & MWL8K_8366_RX_CTRL_OWNED_BY_HOST))
+ return -1;
+ rmb();
+
+ memset(status, 0, sizeof(*status));
+
+ status->signal = -rxd->rssi;
+ status->noise = -rxd->noise_floor;
+
+ if (rxd->rate & 0x80) {
+ status->flag |= RX_FLAG_HT;
+ status->rate_idx = rxd->rate & 0x7f;
+ } else {
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mwl8k_rates); i++) {
+ if (mwl8k_rates[i].hw_value == rxd->rate) {
+ status->rate_idx = i;
+ break;
+ }
+ }
+ }
+
+ status->band = IEEE80211_BAND_2GHZ;
+ status->freq = ieee80211_channel_to_frequency(rxd->channel);
+
+ return le16_to_cpu(rxd->pkt_len);
+}
+
+static struct rxd_ops rxd_8366_ops = {
+ .rxd_size = sizeof(struct mwl8k_rxd_8366),
+ .rxd_init = mwl8k_rxd_8366_init,
+ .rxd_refill = mwl8k_rxd_8366_refill,
+ .rxd_process = mwl8k_rxd_8366_process,
+};
+
+static struct mwl8k_device_info mwl8366_info __devinitdata = {
+ .part_name = "88w8366",
+ .helper_image = "mwl8k/helper_8366.fw",
+ .fw_image = "mwl8k/fmimage_8366.fw",
+ .rxd_ops = &rxd_8366_ops,
+ .modes = 0,
+};
+
+static int __devinit mwl8366_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ return mwl8k_probe(pdev, &mwl8366_info);
+}
+
+static void __devexit mwl8366_shutdown(struct pci_dev *pdev)
+{
+ mwl8k_shutdown(pdev);
+}
+
+static void __devexit mwl8366_remove(struct pci_dev *pdev)
+{
+ mwl8k_remove(pdev);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(mwl8366_pci_id_table) = {
+ { PCI_VDEVICE(MARVELL, 0x2a40), 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(pci, mwl8366_pci_id_table);
+
+static struct pci_driver mwl8366_driver = {
+ .name = MWL8K_NAME,
+ .id_table = mwl8366_pci_id_table,
+ .probe = mwl8366_probe,
+ .remove = __devexit_p(mwl8366_remove),
+ .shutdown = __devexit_p(mwl8366_shutdown),
+};
+
+static int __init mwl8366_init(void)
+{
+ return pci_register_driver(&mwl8366_driver);
+}
+
+static void __exit mwl8366_exit(void)
+{
+ pci_unregister_driver(&mwl8366_driver);
+}
+
+module_init(mwl8366_init);
+module_exit(mwl8366_exit);
+
+MODULE_DESCRIPTION(MWL8366_DESC);
+MODULE_VERSION(MWL8K_VERSION);
+MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
+MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,152 @@
+/*
+ * drivers/net/wireless/mwl8k.c
+ * Driver for Marvell TOPDOG 802.11 Wireless cards
+ *
+ * Copyright (C) 2008-2009 Marvell Semiconductor Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include "mwl8k.h"
+#include <linux/pci.h>
+
+#define MWL8687_DESC MWL8K_DESC " for 88w8687-based devices"
+
+/*
+ * Receive descriptor
+ */
+struct mwl8k_rxd_8687 {
+ __le16 pkt_len;
+ __u8 link_quality;
+ __u8 noise_level;
+ __le32 pkt_phys_addr;
+ __le32 next_rxd_phys_addr;
+ __le16 qos_control;
+ __le16 rate_info;
+ __le32 pad0[4];
+ __u8 rssi;
+ __u8 channel;
+ __le16 pad1;
+ __u8 rx_ctrl;
+ __u8 rx_status;
+ __u8 pad2[2];
+} __attribute__((packed));
+
+static void mwl8k_rxd_8687_init(void *_rxd, dma_addr_t next_dma_addr)
+{
+ struct mwl8k_rxd_8687 *rxd = _rxd;
+
+ rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr);
+ rxd->rx_ctrl = MWL8K_8361_8687_RX_CTRL_OWNED_BY_HOST;
+}
+
+static void mwl8k_rxd_8687_refill(void *_rxd, dma_addr_t addr, int len)
+{
+ struct mwl8k_rxd_8687 *rxd = _rxd;
+
+ rxd->pkt_len = cpu_to_le16(len);
+ rxd->pkt_phys_addr = cpu_to_le32(addr);
+ wmb();
+ rxd->rx_ctrl = 0;
+}
+
+static int
+mwl8k_rxd_8687_process(void *_rxd, struct ieee80211_rx_status *status)
+{
+ struct mwl8k_rxd_8687 *rxd = _rxd;
+ u16 rate_info;
+
+ if (!(rxd->rx_ctrl & MWL8K_8361_8687_RX_CTRL_OWNED_BY_HOST))
+ return -1;
+ rmb();
+
+ rate_info = le16_to_cpu(rxd->rate_info);
+
+ memset(status, 0, sizeof(*status));
+
+ status->signal = -rxd->rssi;
+ status->noise = -rxd->noise_level;
+ status->qual = rxd->link_quality;
+ status->antenna = MWL8K_8361_8687_RATE_INFO_ANTSELECT(rate_info);
+ status->rate_idx = MWL8K_8361_8687_RATE_INFO_RATEID(rate_info);
+
+ if (rate_info & MWL8K_8361_8687_RATE_INFO_SHORTPRE)
+ status->flag |= RX_FLAG_SHORTPRE;
+ if (rate_info & MWL8K_8361_8687_RATE_INFO_40MHZ)
+ status->flag |= RX_FLAG_40MHZ;
+ if (rate_info & MWL8K_8361_8687_RATE_INFO_SHORTGI)
+ status->flag |= RX_FLAG_SHORT_GI;
+ if (rate_info & MWL8K_8361_8687_RATE_INFO_MCS_FORMAT)
+ status->flag |= RX_FLAG_HT;
+
+ status->band = IEEE80211_BAND_2GHZ;
+ status->freq = ieee80211_channel_to_frequency(rxd->channel);
+
+ return le16_to_cpu(rxd->pkt_len);
+}
+
+static struct rxd_ops rxd_8687_ops = {
+ .rxd_size = sizeof(struct mwl8k_rxd_8687),
+ .rxd_init = mwl8k_rxd_8687_init,
+ .rxd_refill = mwl8k_rxd_8687_refill,
+ .rxd_process = mwl8k_rxd_8687_process,
+};
+
+static struct mwl8k_device_info mwl8687_info __devinitdata = {
+ .part_name = "88w8687",
+ .helper_image = "mwl8k/helper_8687.fw",
+ .fw_image = "mwl8k/fmimage_8687.fw",
+ .rxd_ops = &rxd_8687_ops,
+ .modes = BIT(NL80211_IFTYPE_STATION),
+};
+
+static int __devinit mwl8687_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ return mwl8k_probe(pdev, &mwl8687_info);
+}
+
+static void __devexit mwl8687_shutdown(struct pci_dev *pdev)
+{
+ mwl8k_shutdown(pdev);
+}
+
+static void __devexit mwl8687_remove(struct pci_dev *pdev)
+{
+ mwl8k_remove(pdev);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(mwl8687_pci_id_table) = {
+ { PCI_VDEVICE(MARVELL, 0x2a2b), 0 },
+ { PCI_VDEVICE(MARVELL, 0x2a30), 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(pci, mwl8687_pci_id_table);
+
+static struct pci_driver mwl8687_driver = {
+ .name = MWL8K_NAME,
+ .id_table = mwl8687_pci_id_table,
+ .probe = mwl8687_probe,
+ .remove = __devexit_p(mwl8687_remove),
+ .shutdown = __devexit_p(mwl8687_shutdown),
+};
+
+static int __init mwl8687_init(void)
+{
+ return pci_register_driver(&mwl8687_driver);
+}
+
+static void __exit mwl8687_exit(void)
+{
+ pci_unregister_driver(&mwl8687_driver);
+}
+
+module_init(mwl8687_init);
+module_exit(mwl8687_exit);
+
+MODULE_DESCRIPTION(MWL8687_DESC);
+MODULE_VERSION(MWL8K_VERSION);
+MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
+MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,3336 @@
+/*
+ * drivers/net/wireless/mwl8k.c
+ * Driver for Marvell TOPDOG 802.11 Wireless cards
+ *
+ * Copyright (C) 2008-2009 Marvell Semiconductor Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/completion.h>
+#include <linux/etherdevice.h>
+#include <net/mac80211.h>
+#include <linux/moduleparam.h>
+#include <linux/firmware.h>
+#include <linux/workqueue.h>
+
+#include "mwl8k.h"
+
+struct mwl8k_rx_queue {
+ int rxd_count;
+
+ /* hw receives here */
+ int head;
+
+ /* refill descs here */
+ int tail;
+
+ void *rxd;
+ dma_addr_t rxd_dma;
+ struct {
+ struct sk_buff *skb;
+ DECLARE_PCI_UNMAP_ADDR(dma)
+ } *buf;
+};
+
+struct mwl8k_tx_queue {
+ /* hw transmits here */
+ int head;
+
+ /* sw appends here */
+ int tail;
+
+ struct ieee80211_tx_queue_stats stats;
+ struct mwl8k_tx_desc *txd;
+ dma_addr_t txd_dma;
+ struct sk_buff **skb;
+};
+
+/* Pointers to the firmware data and meta information about it. */
+struct mwl8k_firmware {
+ /* Boot helper code */
+ struct firmware *helper;
+
+ /* Microcode */
+ struct firmware *ucode;
+};
+
+struct mwl8k_priv {
+ void __iomem *sram;
+ void __iomem *regs;
+ struct ieee80211_hw *hw;
+
+ struct pci_dev *pdev;
+
+ struct mwl8k_device_info *device_info;
+ bool ap_fw;
+ struct rxd_ops *rxd_ops;
+
+ /* firmware files and meta data */
+ struct mwl8k_firmware fw;
+
+ /* firmware access */
+ struct mutex fw_mutex;
+ struct task_struct *fw_mutex_owner;
+ int fw_mutex_depth;
+ struct completion *hostcmd_wait;
+
+ /* lock held over TX and TX reap */
+ spinlock_t tx_lock;
+
+ /* TX quiesce completion, protected by fw_mutex and tx_lock */
+ struct completion *tx_wait;
+
+ struct ieee80211_vif *vif;
+
+ struct ieee80211_channel *current_channel;
+
+ /* power management status cookie from firmware */
+ u32 *cookie;
+ dma_addr_t cookie_dma;
+
+ u16 num_mcaddrs;
+ u8 hw_rev;
+ u32 fw_rev;
+
+ /*
+ * Running count of TX packets in flight, to avoid
+ * iterating over the transmit rings each time.
+ */
+ int pending_tx_pkts;
+
+ struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES];
+ struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES];
+
+ /* PHY parameters */
+ struct ieee80211_supported_band band;
+ struct ieee80211_channel channels[14];
+ struct ieee80211_rate rates[13];
+
+ bool radio_on;
+ bool radio_short_preamble;
+ bool sniffer_enabled;
+ bool wmm_enabled;
+
+ /* XXX need to convert this to handle multiple interfaces */
+ bool capture_beacon;
+ u8 capture_bssid[ETH_ALEN];
+ struct sk_buff *beacon_skb;
+
+ /*
+ * This FJ worker has to be global as it is scheduled from the
+ * RX handler. At this point we don't know which interface it
+ * belongs to until the list of bssids waiting to complete join
+ * is checked.
+ */
+ struct work_struct finalize_join_worker;
+
+ /* Tasklet to reclaim TX descriptors and buffers after tx */
+ struct tasklet_struct tx_reclaim_task;
+};
+
+/* Per interface specific private data */
+struct mwl8k_vif {
+ /* backpointer to parent config block */
+ struct mwl8k_priv *priv;
+
+ /* BSS config of AP or IBSS from mac80211*/
+ struct ieee80211_bss_conf bss_info;
+
+ /* BSSID of AP or IBSS */
+ u8 bssid[ETH_ALEN];
+ u8 mac_addr[ETH_ALEN];
+
+ /*
+ * Subset of supported legacy rates.
+ * Intersection of AP and STA supported rates.
+ */
+ struct ieee80211_rate legacy_rates[13];
+
+ /* number of supported legacy rates */
+ u8 legacy_nrates;
+
+ /* Index into station database.Returned by update_sta_db call */
+ u8 peer_id;
+
+ /* Non AMPDU sequence number assigned by driver */
+ u16 seqno;
+};
+
+#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
+
+static const struct ieee80211_channel mwl8k_channels[] = {
+ { .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, },
+};
+
+static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
+{
+#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\
+ snprintf(buf, bufsize, "%s", #x);\
+ return buf;\
+ } while (0)
+ switch (cmd & ~0x8000) {
+ MWL8K_CMDNAME(CODE_DNLD);
+ MWL8K_CMDNAME(GET_HW_SPEC);
+ MWL8K_CMDNAME(SET_HW_SPEC);
+ MWL8K_CMDNAME(MAC_MULTICAST_ADR);
+ MWL8K_CMDNAME(GET_STAT);
+ MWL8K_CMDNAME(RADIO_CONTROL);
+ MWL8K_CMDNAME(RF_TX_POWER);
+ MWL8K_CMDNAME(RF_ANTENNA);
+ MWL8K_CMDNAME(SET_PRE_SCAN);
+ MWL8K_CMDNAME(SET_POST_SCAN);
+ MWL8K_CMDNAME(SET_RF_CHANNEL);
+ MWL8K_CMDNAME(SET_AID);
+ MWL8K_CMDNAME(SET_RATE);
+ MWL8K_CMDNAME(SET_FINALIZE_JOIN);
+ MWL8K_CMDNAME(RTS_THRESHOLD);
+ MWL8K_CMDNAME(SET_SLOT);
+ MWL8K_CMDNAME(SET_EDCA_PARAMS);
+ MWL8K_CMDNAME(SET_WMM_MODE);
+ MWL8K_CMDNAME(MIMO_CONFIG);
+ MWL8K_CMDNAME(USE_FIXED_RATE);
+ MWL8K_CMDNAME(ENABLE_SNIFFER);
+ MWL8K_CMDNAME(SET_MAC_ADDR);
+ MWL8K_CMDNAME(SET_RATEADAPT_MODE);
+ MWL8K_CMDNAME(UPDATE_STADB);
+ default:
+ snprintf(buf, bufsize, "0x%x", cmd);
+ }
+#undef MWL8K_CMDNAME
+
+ return buf;
+}
+
+/* Hardware and firmware reset */
+static void mwl8k_hw_reset(struct mwl8k_priv *priv)
+{
+ iowrite32(MWL8K_H2A_INT_RESET,
+ priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+ iowrite32(MWL8K_H2A_INT_RESET,
+ priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+ msleep(20);
+}
+
+/* Release fw image */
+static void mwl8k_release_fw(struct firmware **fw)
+{
+ if (*fw == NULL)
+ return;
+ release_firmware(*fw);
+ *fw = NULL;
+}
+
+static void mwl8k_release_firmware(struct mwl8k_priv *priv)
+{
+ mwl8k_release_fw(&priv->fw.ucode);
+ mwl8k_release_fw(&priv->fw.helper);
+}
+
+/* Request fw image */
+static int mwl8k_request_fw(struct mwl8k_priv *priv,
+ const char *fname, struct firmware **fw)
+{
+ /* release current image */
+ if (*fw != NULL)
+ mwl8k_release_fw(fw);
+
+ return request_firmware((const struct firmware **)fw,
+ fname, &priv->pdev->dev);
+}
+
+static int mwl8k_request_firmware(struct mwl8k_priv *priv)
+{
+ struct mwl8k_device_info *di = priv->device_info;
+ int rc;
+
+ if (di->helper_image != NULL) {
+ rc = mwl8k_request_fw(priv, di->helper_image, &priv->fw.helper);
+ if (rc) {
+ printk(KERN_ERR "%s: Error requesting helper "
+ "firmware file %s\n", pci_name(priv->pdev),
+ di->helper_image);
+ return rc;
+ }
+ }
+
+ rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw.ucode);
+ if (rc) {
+ printk(KERN_ERR "%s: Error requesting firmware file %s\n",
+ pci_name(priv->pdev), di->fw_image);
+ mwl8k_release_fw(&priv->fw.helper);
+ return rc;
+ }
+
+ return 0;
+}
+
+MODULE_FIRMWARE("mwl8k/helper_8687.fw");
+MODULE_FIRMWARE("mwl8k/fmimage_8687.fw");
+
+struct mwl8k_cmd_pkt {
+ __le16 code;
+ __le16 length;
+ __le16 seq_num;
+ __le16 result;
+ char payload[0];
+} __attribute__((packed));
+
+/*
+ * Firmware loading.
+ */
+static int
+mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
+{
+ void __iomem *regs = priv->regs;
+ dma_addr_t dma_addr;
+ int loops;
+
+ dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(priv->pdev, dma_addr))
+ return -ENOMEM;
+
+ iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR);
+ iowrite32(0, regs + MWL8K_HIU_INT_CODE);
+ iowrite32(MWL8K_H2A_INT_DOORBELL,
+ regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+ iowrite32(MWL8K_H2A_INT_DUMMY,
+ regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+
+ loops = 1000;
+ do {
+ u32 int_code;
+
+ int_code = ioread32(regs + MWL8K_HIU_INT_CODE);
+ if (int_code == MWL8K_INT_CODE_CMD_FINISHED) {
+ iowrite32(0, regs + MWL8K_HIU_INT_CODE);
+ break;
+ }
+
+ cond_resched();
+ udelay(1);
+ } while (--loops);
+
+ pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE);
+
+ return loops ? 0 : -ETIMEDOUT;
+}
+
+static int mwl8k_load_fw_image(struct mwl8k_priv *priv,
+ const u8 *data, size_t length)
+{
+ struct mwl8k_cmd_pkt *cmd;
+ int done;
+ int rc = 0;
+
+ cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD);
+ cmd->seq_num = 0;
+ cmd->result = 0;
+
+ done = 0;
+ while (length) {
+ int block_size = length > 256 ? 256 : length;
+
+ memcpy(cmd->payload, data + done, block_size);
+ cmd->length = cpu_to_le16(block_size);
+
+ rc = mwl8k_send_fw_load_cmd(priv, cmd,
+ sizeof(*cmd) + block_size);
+ if (rc)
+ break;
+
+ done += block_size;
+ length -= block_size;
+ }
+
+ if (!rc) {
+ cmd->length = 0;
+ rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd));
+ }
+
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_feed_fw_image(struct mwl8k_priv *priv,
+ const u8 *data, size_t length)
+{
+ unsigned char *buffer;
+ int may_continue, rc = 0;
+ u32 done, prev_block_size;
+
+ buffer = kmalloc(1024, GFP_KERNEL);
+ if (buffer == NULL)
+ return -ENOMEM;
+
+ done = 0;
+ prev_block_size = 0;
+ may_continue = 1000;
+ while (may_continue > 0) {
+ u32 block_size;
+
+ block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH);
+ if (block_size & 1) {
+ block_size &= ~1;
+ may_continue--;
+ } else {
+ done += prev_block_size;
+ length -= prev_block_size;
+ }
+
+ if (block_size > 1024 || block_size > length) {
+ rc = -EOVERFLOW;
+ break;
+ }
+
+ if (length == 0) {
+ rc = 0;
+ break;
+ }
+
+ if (block_size == 0) {
+ rc = -EPROTO;
+ may_continue--;
+ udelay(1);
+ continue;
+ }
+
+ prev_block_size = block_size;
+ memcpy(buffer, data + done, block_size);
+
+ rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size);
+ if (rc)
+ break;
+ }
+
+ if (!rc && length != 0)
+ rc = -EREMOTEIO;
+
+ kfree(buffer);
+
+ return rc;
+}
+
+static int mwl8k_load_firmware(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct firmware *fw = priv->fw.ucode;
+ struct mwl8k_device_info *di = priv->device_info;
+ int rc;
+ int loops;
+
+ if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) {
+ struct firmware *helper = priv->fw.helper;
+
+ if (helper == NULL) {
+ printk(KERN_ERR "%s: helper image needed but none "
+ "given\n", pci_name(priv->pdev));
+ return -EINVAL;
+ }
+
+ rc = mwl8k_load_fw_image(priv, helper->data, helper->size);
+ if (rc) {
+ printk(KERN_ERR "%s: unable to load firmware "
+ "helper image\n", pci_name(priv->pdev));
+ return rc;
+ }
+ msleep(1);
+
+ rc = mwl8k_feed_fw_image(priv, fw->data, fw->size);
+ } else {
+ rc = mwl8k_load_fw_image(priv, fw->data, fw->size);
+ }
+
+ if (rc) {
+ printk(KERN_ERR "%s: unable to load firmware image\n",
+ pci_name(priv->pdev));
+ return rc;
+ }
+
+ if (di->modes & BIT(NL80211_IFTYPE_AP))
+ iowrite32(MWL8K_MODE_AP, priv->regs + MWL8K_HIU_GEN_PTR);
+ else
+ iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR);
+ msleep(1);
+
+ loops = 200000;
+ do {
+ u32 ready_code;
+
+ ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE);
+ if (ready_code == MWL8K_FWAP_READY) {
+ priv->ap_fw = 1;
+ break;
+ } else if (ready_code == MWL8K_FWSTA_READY) {
+ priv->ap_fw = 0;
+ break;
+ }
+
+ cond_resched();
+ udelay(1);
+ } while (--loops);
+
+ return loops ? 0 : -ETIMEDOUT;
+}
+
+
+/*
+ * Defines shared between transmission and reception.
+ */
+/* HT control fields for firmware */
+struct ewc_ht_info {
+ __le16 control1;
+ __le16 control2;
+ __le16 control3;
+} __attribute__((packed));
+
+/* Firmware Station database operations */
+#define MWL8K_STA_DB_ADD_ENTRY 0
+#define MWL8K_STA_DB_MODIFY_ENTRY 1
+#define MWL8K_STA_DB_DEL_ENTRY 2
+#define MWL8K_STA_DB_FLUSH 3
+
+/* Peer Entry flags - used to define the type of the peer node */
+#define MWL8K_PEER_TYPE_ACCESSPOINT 2
+
+#define MWL8K_IEEE_LEGACY_DATA_RATES 13
+#define MWL8K_MCS_BITMAP_SIZE 16
+
+struct peer_capability_info {
+ /* Peer type - AP vs. STA. */
+ __u8 peer_type;
+
+ /* Basic 802.11 capabilities from assoc resp. */
+ __le16 basic_caps;
+
+ /* Set if peer supports 802.11n high throughput (HT). */
+ __u8 ht_support;
+
+ /* Valid if HT is supported. */
+ __le16 ht_caps;
+ __u8 extended_ht_caps;
+ struct ewc_ht_info ewc_info;
+
+ /* Legacy rate table. Intersection of our rates and peer rates. */
+ __u8 legacy_rates[MWL8K_IEEE_LEGACY_DATA_RATES];
+
+ /* HT rate table. Intersection of our rates and peer rates. */
+ __u8 ht_rates[MWL8K_MCS_BITMAP_SIZE];
+ __u8 pad[16];
+
+ /* If set, interoperability mode, no proprietary extensions. */
+ __u8 interop;
+ __u8 pad2;
+ __u8 station_id;
+ __le16 amsdu_enabled;
+} __attribute__((packed));
+
+/* Inline functions to manipulate QoS field in data descriptor. */
+static inline u16 mwl8k_qos_setbit_eosp(u16 qos)
+{
+ u16 val_mask = 1 << 4;
+
+ /* End of Service Period Bit 4 */
+ return qos | val_mask;
+}
+
+static inline u16 mwl8k_qos_setbit_ack(u16 qos, u8 ack_policy)
+{
+ u16 val_mask = 0x3;
+ u8 shift = 5;
+ u16 qos_mask = ~(val_mask << shift);
+
+ /* Ack Policy Bit 5-6 */
+ return (qos & qos_mask) | ((ack_policy & val_mask) << shift);
+}
+
+static inline u16 mwl8k_qos_setbit_amsdu(u16 qos)
+{
+ u16 val_mask = 1 << 7;
+
+ /* AMSDU present Bit 7 */
+ return qos | val_mask;
+}
+
+static inline u16 mwl8k_qos_setbit_qlen(u16 qos, u8 len)
+{
+ u16 val_mask = 0xff;
+ u8 shift = 8;
+ u16 qos_mask = ~(val_mask << shift);
+
+ /* Queue Length Bits 8-15 */
+ return (qos & qos_mask) | ((len & val_mask) << shift);
+}
+
+/* DMA header used by firmware and hardware. */
+struct mwl8k_dma_data {
+ __le16 fwlen;
+ struct ieee80211_hdr wh;
+} __attribute__((packed));
+
+/* Routines to add/remove DMA header from skb. */
+static inline void mwl8k_remove_dma_header(struct sk_buff *skb)
+{
+ struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)skb->data;
+ void *dst, *src = &tr->wh;
+ int hdrlen = ieee80211_hdrlen(tr->wh.frame_control);
+ u16 space = sizeof(struct mwl8k_dma_data) - hdrlen;
+
+ dst = (void *)tr + space;
+ if (dst != src) {
+ memmove(dst, src, hdrlen);
+ skb_pull(skb, space);
+ }
+}
+
+static inline void mwl8k_add_dma_header(struct sk_buff *skb)
+{
+ struct ieee80211_hdr *wh;
+ u32 hdrlen, pktlen;
+ struct mwl8k_dma_data *tr;
+
+ wh = (struct ieee80211_hdr *)skb->data;
+ hdrlen = ieee80211_hdrlen(wh->frame_control);
+ pktlen = skb->len;
+
+ /*
+ * Copy up/down the 802.11 header; the firmware requires
+ * we present a 2-byte payload length followed by a
+ * 4-address header (w/o QoS), followed (optionally) by
+ * any WEP/ExtIV header (but only filled in for CCMP).
+ */
+ if (hdrlen != sizeof(struct mwl8k_dma_data))
+ skb_push(skb, sizeof(struct mwl8k_dma_data) - hdrlen);
+
+ tr = (struct mwl8k_dma_data *)skb->data;
+ if (wh != &tr->wh)
+ memmove(&tr->wh, wh, hdrlen);
+
+ /* Clear addr4 */
+ memset(tr->wh.addr4, 0, ETH_ALEN);
+
+ /*
+ * Firmware length is the length of the fully formed "802.11
+ * payload". That is, everything except for the 802.11 header.
+ * This includes all crypto material including the MIC.
+ */
+ tr->fwlen = cpu_to_le16(pktlen - hdrlen);
+}
+
+#define MWL8K_RX_DESCS 256
+#define MWL8K_RX_MAXSZ 3800
+
+static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_rx_queue *rxq = priv->rxq + index;
+ int size;
+ int i;
+
+ rxq->rxd_count = 0;
+ rxq->head = 0;
+ rxq->tail = 0;
+
+ size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size;
+
+ rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma);
+ if (rxq->rxd == NULL) {
+ printk(KERN_ERR "%s: failed to alloc RX descriptors\n",
+ wiphy_name(hw->wiphy));
+ return -ENOMEM;
+ }
+ memset(rxq->rxd, 0, size);
+
+ rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL);
+ if (rxq->buf == NULL) {
+ printk(KERN_ERR "%s: failed to alloc RX skbuff list\n",
+ wiphy_name(hw->wiphy));
+ pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma);
+ return -ENOMEM;
+ }
+ memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf));
+
+ for (i = 0; i < MWL8K_RX_DESCS; i++) {
+ int desc_size;
+ void *rxd;
+ int nexti;
+ dma_addr_t next_dma_addr;
+
+ desc_size = priv->rxd_ops->rxd_size;
+ rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size);
+
+ nexti = i + 1;
+ if (nexti == MWL8K_RX_DESCS)
+ nexti = 0;
+ next_dma_addr = rxq->rxd_dma + (nexti * desc_size);
+
+ priv->rxd_ops->rxd_init(rxd, next_dma_addr);
+ }
+
+ return 0;
+}
+
+static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_rx_queue *rxq = priv->rxq + index;
+ int refilled;
+
+ refilled = 0;
+ while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) {
+ struct sk_buff *skb;
+ dma_addr_t addr;
+ int rx;
+ void *rxd;
+
+ skb = dev_alloc_skb(MWL8K_RX_MAXSZ);
+ if (skb == NULL)
+ break;
+
+ addr = pci_map_single(priv->pdev, skb->data,
+ MWL8K_RX_MAXSZ, DMA_FROM_DEVICE);
+
+ rxq->rxd_count++;
+ rx = rxq->tail++;
+ if (rxq->tail == MWL8K_RX_DESCS)
+ rxq->tail = 0;
+ rxq->buf[rx].skb = skb;
+ pci_unmap_addr_set(&rxq->buf[rx], dma, addr);
+
+ rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size);
+ priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ);
+
+ refilled++;
+ }
+
+ return refilled;
+}
+
+/* Must be called only when the card's reception is completely halted */
+static void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_rx_queue *rxq = priv->rxq + index;
+ int i;
+
+ for (i = 0; i < MWL8K_RX_DESCS; i++) {
+ if (rxq->buf[i].skb != NULL) {
+ pci_unmap_single(priv->pdev,
+ pci_unmap_addr(&rxq->buf[i], dma),
+ MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
+ pci_unmap_addr_set(&rxq->buf[i], dma, 0);
+
+ kfree_skb(rxq->buf[i].skb);
+ rxq->buf[i].skb = NULL;
+ }
+ }
+
+ kfree(rxq->buf);
+ rxq->buf = NULL;
+
+ pci_free_consistent(priv->pdev,
+ MWL8K_RX_DESCS * priv->rxd_ops->rxd_size,
+ rxq->rxd, rxq->rxd_dma);
+ rxq->rxd = NULL;
+}
+
+
+/*
+ * Scan a list of BSSIDs to process for finalize join.
+ * Allows for extension to process multiple BSSIDs.
+ */
+static inline int
+mwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh)
+{
+ return priv->capture_beacon &&
+ ieee80211_is_beacon(wh->frame_control) &&
+ !compare_ether_addr(wh->addr3, priv->capture_bssid);
+}
+
+static inline void mwl8k_save_beacon(struct ieee80211_hw *hw,
+ struct sk_buff *skb)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ priv->capture_beacon = false;
+ memset(priv->capture_bssid, 0, ETH_ALEN);
+
+ /*
+ * Use GFP_ATOMIC as rxq_process is called from
+ * the primary interrupt handler, memory allocation call
+ * must not sleep.
+ */
+ priv->beacon_skb = skb_copy(skb, GFP_ATOMIC);
+ if (priv->beacon_skb != NULL)
+ ieee80211_queue_work(hw, &priv->finalize_join_worker);
+}
+
+static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_rx_queue *rxq = priv->rxq + index;
+ int processed;
+
+ processed = 0;
+ while (rxq->rxd_count && limit--) {
+ struct sk_buff *skb;
+ void *rxd;
+ int pkt_len;
+ struct ieee80211_rx_status status;
+
+ skb = rxq->buf[rxq->head].skb;
+ if (skb == NULL)
+ break;
+
+ rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size);
+
+ pkt_len = priv->rxd_ops->rxd_process(rxd, &status);
+ if (pkt_len < 0)
+ break;
+
+ rxq->buf[rxq->head].skb = NULL;
+
+ pci_unmap_single(priv->pdev,
+ pci_unmap_addr(&rxq->buf[rxq->head], dma),
+ MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
+ pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0);
+
+ rxq->head++;
+ if (rxq->head == MWL8K_RX_DESCS)
+ rxq->head = 0;
+
+ rxq->rxd_count--;
+
+ skb_put(skb, pkt_len);
+ mwl8k_remove_dma_header(skb);
+
+ /*
+ * Check for a pending join operation. Save a
+ * copy of the beacon and schedule a tasklet to
+ * send a FINALIZE_JOIN command to the firmware.
+ */
+ if (mwl8k_capture_bssid(priv, (void *)skb->data))
+ mwl8k_save_beacon(hw, skb);
+
+ memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
+ ieee80211_rx_irqsafe(hw, skb);
+
+ processed++;
+ }
+
+ return processed;
+}
+
+
+/*
+ * Packet transmission.
+ */
+
+/* Transmit packet ACK policy */
+#define MWL8K_TXD_ACK_POLICY_NORMAL 0
+#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3
+
+#define MWL8K_TXD_STATUS_OK 0x00000001
+#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002
+#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004
+#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008
+#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000
+
+struct mwl8k_tx_desc {
+ __le32 status;
+ __u8 data_rate;
+ __u8 tx_priority;
+ __le16 qos_control;
+ __le32 pkt_phys_addr;
+ __le16 pkt_len;
+ __u8 dest_MAC_addr[ETH_ALEN];
+ __le32 next_txd_phys_addr;
+ __le32 reserved;
+ __le16 rate_info;
+ __u8 peer_id;
+ __u8 tx_frag_cnt;
+} __attribute__((packed));
+
+#define MWL8K_TX_DESCS 128
+
+static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_tx_queue *txq = priv->txq + index;
+ int size;
+ int i;
+
+ memset(&txq->stats, 0, sizeof(struct ieee80211_tx_queue_stats));
+ txq->stats.limit = MWL8K_TX_DESCS;
+ txq->head = 0;
+ txq->tail = 0;
+
+ size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc);
+
+ txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma);
+ if (txq->txd == NULL) {
+ printk(KERN_ERR "%s: failed to alloc TX descriptors\n",
+ wiphy_name(hw->wiphy));
+ return -ENOMEM;
+ }
+ memset(txq->txd, 0, size);
+
+ txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL);
+ if (txq->skb == NULL) {
+ printk(KERN_ERR "%s: failed to alloc TX skbuff list\n",
+ wiphy_name(hw->wiphy));
+ pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma);
+ return -ENOMEM;
+ }
+ memset(txq->skb, 0, MWL8K_TX_DESCS * sizeof(*txq->skb));
+
+ for (i = 0; i < MWL8K_TX_DESCS; i++) {
+ struct mwl8k_tx_desc *tx_desc;
+ int nexti;
+
+ tx_desc = txq->txd + i;
+ nexti = (i + 1) % MWL8K_TX_DESCS;
+
+ tx_desc->status = 0;
+ tx_desc->next_txd_phys_addr =
+ cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc));
+ }
+
+ return 0;
+}
+
+static inline void mwl8k_tx_start(struct mwl8k_priv *priv)
+{
+ iowrite32(MWL8K_H2A_INT_PPA_READY,
+ priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+ iowrite32(MWL8K_H2A_INT_DUMMY,
+ priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+ ioread32(priv->regs + MWL8K_HIU_INT_CODE);
+}
+
+struct mwl8k_txq_info {
+ u32 fw_owned;
+ u32 drv_owned;
+ u32 unused;
+ u32 len;
+ u32 head;
+ u32 tail;
+};
+
+static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
+ struct mwl8k_txq_info *txinfo)
+{
+ int count, desc, status;
+ struct mwl8k_tx_queue *txq;
+ struct mwl8k_tx_desc *tx_desc;
+ int ndescs = 0;
+
+ memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info));
+
+ for (count = 0; count < MWL8K_TX_QUEUES; count++) {
+ txq = priv->txq + count;
+ txinfo[count].len = txq->stats.len;
+ txinfo[count].head = txq->head;
+ txinfo[count].tail = txq->tail;
+ for (desc = 0; desc < MWL8K_TX_DESCS; desc++) {
+ tx_desc = txq->txd + desc;
+ status = le32_to_cpu(tx_desc->status);
+
+ if (status & MWL8K_TXD_STATUS_FW_OWNED)
+ txinfo[count].fw_owned++;
+ else
+ txinfo[count].drv_owned++;
+
+ if (tx_desc->pkt_len == 0)
+ txinfo[count].unused++;
+ }
+ }
+
+ return ndescs;
+}
+
+/*
+ * Must be called with priv->fw_mutex held and tx queues stopped.
+ */
+static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ DECLARE_COMPLETION_ONSTACK(tx_wait);
+ u32 count;
+ unsigned long timeout;
+
+ might_sleep();
+
+ spin_lock_bh(&priv->tx_lock);
+ count = priv->pending_tx_pkts;
+ if (count)
+ priv->tx_wait = &tx_wait;
+ spin_unlock_bh(&priv->tx_lock);
+
+ if (count) {
+ struct mwl8k_txq_info txinfo[MWL8K_TX_QUEUES];
+ int index;
+ int newcount;
+
+ timeout = wait_for_completion_timeout(&tx_wait,
+ msecs_to_jiffies(5000));
+ if (timeout)
+ return 0;
+
+ spin_lock_bh(&priv->tx_lock);
+ priv->tx_wait = NULL;
+ newcount = priv->pending_tx_pkts;
+ mwl8k_scan_tx_ring(priv, txinfo);
+ spin_unlock_bh(&priv->tx_lock);
+
+ printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n",
+ __func__, __LINE__, count, newcount);
+
+ for (index = 0; index < MWL8K_TX_QUEUES; index++)
+ printk(KERN_ERR "TXQ:%u L:%u H:%u T:%u FW:%u "
+ "DRV:%u U:%u\n",
+ index,
+ txinfo[index].len,
+ txinfo[index].head,
+ txinfo[index].tail,
+ txinfo[index].fw_owned,
+ txinfo[index].drv_owned,
+ txinfo[index].unused);
+
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+#define MWL8K_TXD_SUCCESS(status) \
+ ((status) & (MWL8K_TXD_STATUS_OK | \
+ MWL8K_TXD_STATUS_OK_RETRY | \
+ MWL8K_TXD_STATUS_OK_MORE_RETRY))
+
+static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_tx_queue *txq = priv->txq + index;
+ int wake = 0;
+
+ while (txq->stats.len > 0) {
+ int tx;
+ struct mwl8k_tx_desc *tx_desc;
+ unsigned long addr;
+ int size;
+ struct sk_buff *skb;
+ struct ieee80211_tx_info *info;
+ u32 status;
+
+ tx = txq->head;
+ tx_desc = txq->txd + tx;
+
+ status = le32_to_cpu(tx_desc->status);
+
+ if (status & MWL8K_TXD_STATUS_FW_OWNED) {
+ if (!force)
+ break;
+ tx_desc->status &=
+ ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED);
+ }
+
+ txq->head = (tx + 1) % MWL8K_TX_DESCS;
+ BUG_ON(txq->stats.len == 0);
+ txq->stats.len--;
+ priv->pending_tx_pkts--;
+
+ addr = le32_to_cpu(tx_desc->pkt_phys_addr);
+ size = le16_to_cpu(tx_desc->pkt_len);
+ skb = txq->skb[tx];
+ txq->skb[tx] = NULL;
+
+ BUG_ON(skb == NULL);
+ pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE);
+
+ mwl8k_remove_dma_header(skb);
+
+ /* Mark descriptor as unused */
+ tx_desc->pkt_phys_addr = 0;
+ tx_desc->pkt_len = 0;
+
+ info = IEEE80211_SKB_CB(skb);
+ ieee80211_tx_info_clear_status(info);
+ if (MWL8K_TXD_SUCCESS(status))
+ info->flags |= IEEE80211_TX_STAT_ACK;
+
+ ieee80211_tx_status_irqsafe(hw, skb);
+
+ wake = 1;
+ }
+
+ if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex))
+ ieee80211_wake_queue(hw, index);
+}
+
+/* must be called only when the card's transmit is completely halted */
+static void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_tx_queue *txq = priv->txq + index;
+
+ mwl8k_txq_reclaim(hw, index, 1);
+
+ kfree(txq->skb);
+ txq->skb = NULL;
+
+ pci_free_consistent(priv->pdev,
+ MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc),
+ txq->txd, txq->txd_dma);
+ txq->txd = NULL;
+}
+
+static int
+mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct ieee80211_tx_info *tx_info;
+ struct mwl8k_vif *mwl8k_vif;
+ struct ieee80211_hdr *wh;
+ struct mwl8k_tx_queue *txq;
+ struct mwl8k_tx_desc *tx;
+ dma_addr_t dma;
+ u32 txstatus;
+ u8 txdatarate;
+ u16 qos;
+
+ wh = (struct ieee80211_hdr *)skb->data;
+ if (ieee80211_is_data_qos(wh->frame_control))
+ qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh)));
+ else
+ qos = 0;
+
+ mwl8k_add_dma_header(skb);
+ wh = &((struct mwl8k_dma_data *)skb->data)->wh;
+
+ tx_info = IEEE80211_SKB_CB(skb);
+ mwl8k_vif = MWL8K_VIF(tx_info->control.vif);
+
+ if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+ u16 seqno = mwl8k_vif->seqno;
+
+ wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ wh->seq_ctrl |= cpu_to_le16(seqno << 4);
+ mwl8k_vif->seqno = seqno++ % 4096;
+ }
+
+ /* Setup firmware control bit fields for each frame type. */
+ txstatus = 0;
+ txdatarate = 0;
+ if (ieee80211_is_mgmt(wh->frame_control) ||
+ ieee80211_is_ctl(wh->frame_control)) {
+ txdatarate = 0;
+ qos = mwl8k_qos_setbit_eosp(qos);
+ /* Set Queue size to unspecified */
+ qos = mwl8k_qos_setbit_qlen(qos, 0xff);
+ } else if (ieee80211_is_data(wh->frame_control)) {
+ txdatarate = 1;
+ if (is_multicast_ether_addr(wh->addr1))
+ txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX;
+
+ /* Send pkt in an aggregate if AMPDU frame. */
+ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
+ qos = mwl8k_qos_setbit_ack(qos,
+ MWL8K_TXD_ACK_POLICY_BLOCKACK);
+ else
+ qos = mwl8k_qos_setbit_ack(qos,
+ MWL8K_TXD_ACK_POLICY_NORMAL);
+
+ if (qos & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+ qos = mwl8k_qos_setbit_amsdu(qos);
+ }
+
+ dma = pci_map_single(priv->pdev, skb->data,
+ skb->len, PCI_DMA_TODEVICE);
+
+ if (pci_dma_mapping_error(priv->pdev, dma)) {
+ printk(KERN_DEBUG "%s: failed to dma map skb, "
+ "dropping TX frame.\n", wiphy_name(hw->wiphy));
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+
+ spin_lock_bh(&priv->tx_lock);
+
+ txq = priv->txq + index;
+
+ BUG_ON(txq->skb[txq->tail] != NULL);
+ txq->skb[txq->tail] = skb;
+
+ tx = txq->txd + txq->tail;
+ tx->data_rate = txdatarate;
+ tx->tx_priority = index;
+ tx->qos_control = cpu_to_le16(qos);
+ tx->pkt_phys_addr = cpu_to_le32(dma);
+ tx->pkt_len = cpu_to_le16(skb->len);
+ tx->rate_info = 0;
+ tx->peer_id = mwl8k_vif->peer_id;
+ wmb();
+ tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus);
+
+ txq->stats.count++;
+ txq->stats.len++;
+ priv->pending_tx_pkts++;
+
+ txq->tail++;
+ if (txq->tail == MWL8K_TX_DESCS)
+ txq->tail = 0;
+
+ if (txq->head == txq->tail)
+ ieee80211_stop_queue(hw, index);
+
+ mwl8k_tx_start(priv);
+
+ spin_unlock_bh(&priv->tx_lock);
+
+ return NETDEV_TX_OK;
+}
+
+
+/*
+ * Firmware access.
+ *
+ * We have the following requirements for issuing firmware commands:
+ * - Some commands require that the packet transmit path is idle when
+ * the command is issued. (For simplicity, we'll just quiesce the
+ * transmit path for every command.)
+ * - There are certain sequences of commands that need to be issued to
+ * the hardware sequentially, with no other intervening commands.
+ *
+ * This leads to an implementation of a "firmware lock" as a mutex that
+ * can be taken recursively, and which is taken by both the low-level
+ * command submission function (mwl8k_post_cmd) as well as any users of
+ * that function that require issuing of an atomic sequence of commands,
+ * and quiesces the transmit path whenever it's taken.
+ */
+static int mwl8k_fw_lock(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ if (priv->fw_mutex_owner != current) {
+ int rc;
+
+ mutex_lock(&priv->fw_mutex);
+ ieee80211_stop_queues(hw);
+
+ rc = mwl8k_tx_wait_empty(hw);
+ if (rc) {
+ ieee80211_wake_queues(hw);
+ mutex_unlock(&priv->fw_mutex);
+
+ return rc;
+ }
+
+ priv->fw_mutex_owner = current;
+ }
+
+ priv->fw_mutex_depth++;
+
+ return 0;
+}
+
+static void mwl8k_fw_unlock(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ if (!--priv->fw_mutex_depth) {
+ ieee80211_wake_queues(hw);
+ priv->fw_mutex_owner = NULL;
+ mutex_unlock(&priv->fw_mutex);
+ }
+}
+
+
+/*
+ * Command processing.
+ */
+
+/* Timeout firmware commands after 2000ms */
+#define MWL8K_CMD_TIMEOUT_MS 2000
+
+static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
+{
+ DECLARE_COMPLETION_ONSTACK(cmd_wait);
+ struct mwl8k_priv *priv = hw->priv;
+ void __iomem *regs = priv->regs;
+ dma_addr_t dma_addr;
+ unsigned int dma_size;
+ int rc;
+ unsigned long timeout = 0;
+ u8 buf[32];
+
+ cmd->result = 0xffff;
+ dma_size = le16_to_cpu(cmd->length);
+ dma_addr = pci_map_single(priv->pdev, cmd, dma_size,
+ PCI_DMA_BIDIRECTIONAL);
+ if (pci_dma_mapping_error(priv->pdev, dma_addr))
+ return -ENOMEM;
+
+ rc = mwl8k_fw_lock(hw);
+ if (rc) {
+ pci_unmap_single(priv->pdev, dma_addr, dma_size,
+ PCI_DMA_BIDIRECTIONAL);
+ return rc;
+ }
+
+ priv->hostcmd_wait = &cmd_wait;
+ iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR);
+ iowrite32(MWL8K_H2A_INT_DOORBELL,
+ regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+ iowrite32(MWL8K_H2A_INT_DUMMY,
+ regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
+
+ timeout = wait_for_completion_timeout(&cmd_wait,
+ msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS));
+
+ priv->hostcmd_wait = NULL;
+
+ mwl8k_fw_unlock(hw);
+
+ pci_unmap_single(priv->pdev, dma_addr, dma_size,
+ PCI_DMA_BIDIRECTIONAL);
+
+ if (!timeout) {
+ printk(KERN_ERR "%s: Command %s timeout after %u ms\n",
+ wiphy_name(hw->wiphy),
+ mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
+ MWL8K_CMD_TIMEOUT_MS);
+ rc = -ETIMEDOUT;
+ } else {
+ rc = cmd->result ? -EINVAL : 0;
+ if (rc)
+ printk(KERN_ERR "%s: Command %s error 0x%x\n",
+ wiphy_name(hw->wiphy),
+ mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
+ le16_to_cpu(cmd->result));
+ }
+
+ return rc;
+}
+
+/*
+ * CMD_GET_HW_SPEC (STA version).
+ */
+struct mwl8k_cmd_get_hw_spec_sta {
+ struct mwl8k_cmd_pkt header;
+ __u8 hw_rev;
+ __u8 host_interface;
+ __le16 num_mcaddrs;
+ __u8 perm_addr[ETH_ALEN];
+ __le16 region_code;
+ __le32 fw_rev;
+ __le32 ps_cookie;
+ __le32 caps;
+ __u8 mcs_bitmap[16];
+ __le32 rx_queue_ptr;
+ __le32 num_tx_queues;
+ __le32 tx_queue_ptrs[MWL8K_TX_QUEUES];
+ __le32 caps2;
+ __le32 num_tx_desc_per_queue;
+ __le32 total_rxd;
+} __attribute__((packed));
+
+static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_get_hw_spec_sta *cmd;
+ int rc;
+ int i;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
+ cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
+ cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
+ cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
+ cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
+ cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+
+ if (!rc) {
+ SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);
+ priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
+ priv->fw_rev = le32_to_cpu(cmd->fw_rev);
+ priv->hw_rev = cmd->hw_rev;
+ }
+
+ kfree(cmd);
+ return rc;
+}
+
+/*
+ * CMD_GET_HW_SPEC (AP version).
+ */
+struct mwl8k_cmd_get_hw_spec_ap {
+ struct mwl8k_cmd_pkt header;
+ __u8 hw_rev;
+ __u8 host_interface;
+ __le16 num_wcb;
+ __le16 num_mcaddrs;
+ __u8 perm_addr[ETH_ALEN];
+ __le16 region_code;
+ __le16 num_antenna;
+ __le32 fw_rev;
+ __le32 wcbbase0;
+ __le32 rxwrptr;
+ __le32 rxrdptr;
+ __le32 ps_cookie;
+ __le32 wcbbase1;
+ __le32 wcbbase2;
+ __le32 wcbbase3;
+} __attribute__((packed));
+
+static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_get_hw_spec_ap *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
+ cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+
+ if (!rc) {
+ int off;
+
+ SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);
+ priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
+ priv->fw_rev = le32_to_cpu(cmd->fw_rev);
+ priv->hw_rev = cmd->hw_rev;
+
+ off = le32_to_cpu(cmd->wcbbase0) & 0xffff;
+ iowrite32(cpu_to_le32(priv->txq[0].txd_dma), priv->sram + off);
+
+ off = le32_to_cpu(cmd->rxwrptr) & 0xffff;
+ iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);
+
+ off = le32_to_cpu(cmd->rxrdptr) & 0xffff;
+ iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);
+
+ off = le32_to_cpu(cmd->wcbbase1) & 0xffff;
+ iowrite32(cpu_to_le32(priv->txq[1].txd_dma), priv->sram + off);
+
+ off = le32_to_cpu(cmd->wcbbase2) & 0xffff;
+ iowrite32(cpu_to_le32(priv->txq[2].txd_dma), priv->sram + off);
+
+ off = le32_to_cpu(cmd->wcbbase3) & 0xffff;
+ iowrite32(cpu_to_le32(priv->txq[3].txd_dma), priv->sram + off);
+ }
+
+ kfree(cmd);
+ return rc;
+}
+
+/*
+ * CMD_SET_HW_SPEC.
+ */
+struct mwl8k_cmd_set_hw_spec {
+ struct mwl8k_cmd_pkt header;
+ __u8 hw_rev;
+ __u8 host_interface;
+ __le16 num_mcaddrs;
+ __u8 perm_addr[ETH_ALEN];
+ __le16 region_code;
+ __le32 fw_rev;
+ __le32 ps_cookie;
+ __le32 caps;
+ __le32 rx_queue_ptr;
+ __le32 num_tx_queues;
+ __le32 tx_queue_ptrs[MWL8K_TX_QUEUES];
+ __le32 flags;
+ __le32 num_tx_desc_per_queue;
+ __le32 total_rxd;
+} __attribute__((packed));
+
+#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
+
+static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_set_hw_spec *cmd;
+ int rc;
+ int i;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
+ cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
+ cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
+ cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT);
+ cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
+ cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_MAC_MULTICAST_ADR.
+ */
+struct mwl8k_cmd_mac_multicast_adr {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __le16 numaddr;
+ __u8 addr[0][ETH_ALEN];
+};
+
+#define MWL8K_ENABLE_RX_DIRECTED 0x0001
+#define MWL8K_ENABLE_RX_MULTICAST 0x0002
+#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004
+#define MWL8K_ENABLE_RX_BROADCAST 0x0008
+
+static struct mwl8k_cmd_pkt *
+__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti,
+ int mc_count, struct dev_addr_list *mclist)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_mac_multicast_adr *cmd;
+ int size;
+
+ if (allmulti || mc_count > priv->num_mcaddrs) {
+ allmulti = 1;
+ mc_count = 0;
+ }
+
+ size = sizeof(*cmd) + mc_count * ETH_ALEN;
+
+ cmd = kzalloc(size, GFP_ATOMIC);
+ if (cmd == NULL)
+ return NULL;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR);
+ cmd->header.length = cpu_to_le16(size);
+ cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED |
+ MWL8K_ENABLE_RX_BROADCAST);
+
+ if (allmulti) {
+ cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST);
+ } else if (mc_count) {
+ int i;
+
+ cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST);
+ cmd->numaddr = cpu_to_le16(mc_count);
+ for (i = 0; i < mc_count && mclist; i++) {
+ if (mclist->da_addrlen != ETH_ALEN) {
+ kfree(cmd);
+ return NULL;
+ }
+ memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN);
+ mclist = mclist->next;
+ }
+ }
+
+ return &cmd->header;
+}
+
+/*
+ * CMD_802_11_GET_STAT.
+ */
+struct mwl8k_cmd_802_11_get_stat {
+ struct mwl8k_cmd_pkt header;
+ __le32 stats[64];
+} __attribute__((packed));
+
+#define MWL8K_STAT_ACK_FAILURE 9
+#define MWL8K_STAT_RTS_FAILURE 12
+#define MWL8K_STAT_FCS_ERROR 24
+#define MWL8K_STAT_RTS_SUCCESS 11
+
+static int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ struct mwl8k_cmd_802_11_get_stat *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ if (!rc) {
+ stats->dot11ACKFailureCount =
+ le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]);
+ stats->dot11RTSFailureCount =
+ le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]);
+ stats->dot11FCSErrorCount =
+ le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]);
+ stats->dot11RTSSuccessCount =
+ le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]);
+ }
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_802_11_RADIO_CONTROL.
+ */
+struct mwl8k_cmd_802_11_radio_control {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __le16 control;
+ __le16 radio_on;
+} __attribute__((packed));
+
+static int
+mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, bool enable, bool force)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_802_11_radio_control *cmd;
+ int rc;
+
+ if (enable == priv->radio_on && !force)
+ return 0;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_CMD_SET);
+ cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1);
+ cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ if (!rc)
+ priv->radio_on = enable;
+
+ return rc;
+}
+
+static int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw *hw)
+{
+ return mwl8k_cmd_802_11_radio_control(hw, 0, 0);
+}
+
+static int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw *hw)
+{
+ return mwl8k_cmd_802_11_radio_control(hw, 1, 0);
+}
+
+static int
+mwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble)
+{
+ struct mwl8k_priv *priv;
+
+ if (hw == NULL || hw->priv == NULL)
+ return -EINVAL;
+ priv = hw->priv;
+
+ priv->radio_short_preamble = short_preamble;
+
+ return mwl8k_cmd_802_11_radio_control(hw, 1, 1);
+}
+
+/*
+ * CMD_802_11_RF_TX_POWER.
+ */
+#define MWL8K_TX_POWER_LEVEL_TOTAL 8
+
+struct mwl8k_cmd_802_11_rf_tx_power {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __le16 support_level;
+ __le16 current_level;
+ __le16 reserved;
+ __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL];
+} __attribute__((packed));
+
+static int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm)
+{
+ struct mwl8k_cmd_802_11_rf_tx_power *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_CMD_SET);
+ cmd->support_level = cpu_to_le16(dBm);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_RF_ANTENNA.
+ */
+struct mwl8k_cmd_rf_antenna {
+ struct mwl8k_cmd_pkt header;
+ __le16 antenna;
+ __le16 mode;
+} __attribute__((packed));
+
+#define MWL8K_RF_ANTENNA_RX 1
+#define MWL8K_RF_ANTENNA_TX 2
+
+static int
+mwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask)
+{
+ struct mwl8k_cmd_rf_antenna *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->antenna = cpu_to_le16(antenna);
+ cmd->mode = cpu_to_le16(mask);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_PRE_SCAN.
+ */
+struct mwl8k_cmd_set_pre_scan {
+ struct mwl8k_cmd_pkt header;
+} __attribute__((packed));
+
+static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw)
+{
+ struct mwl8k_cmd_set_pre_scan *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_POST_SCAN.
+ */
+struct mwl8k_cmd_set_post_scan {
+ struct mwl8k_cmd_pkt header;
+ __le32 isibss;
+ __u8 bssid[ETH_ALEN];
+} __attribute__((packed));
+
+static int
+mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac)
+{
+ struct mwl8k_cmd_set_post_scan *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->isibss = 0;
+ memcpy(cmd->bssid, mac, ETH_ALEN);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_RF_CHANNEL.
+ */
+struct mwl8k_cmd_set_rf_channel {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __u8 current_channel;
+ __le32 channel_flags;
+} __attribute__((packed));
+
+static int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw,
+ struct ieee80211_channel *channel)
+{
+ struct mwl8k_cmd_set_rf_channel *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_CMD_SET);
+ cmd->current_channel = channel->hw_value;
+ if (channel->band == IEEE80211_BAND_2GHZ)
+ cmd->channel_flags = cpu_to_le32(0x00000081);
+ else
+ cmd->channel_flags = cpu_to_le32(0x00000000);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_SLOT.
+ */
+struct mwl8k_cmd_set_slot {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __u8 short_slot;
+} __attribute__((packed));
+
+static int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time)
+{
+ struct mwl8k_cmd_set_slot *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_CMD_SET);
+ cmd->short_slot = short_slot_time;
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_MIMO_CONFIG.
+ */
+struct mwl8k_cmd_mimo_config {
+ struct mwl8k_cmd_pkt header;
+ __le32 action;
+ __u8 rx_antenna_map;
+ __u8 tx_antenna_map;
+} __attribute__((packed));
+
+static int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx)
+{
+ struct mwl8k_cmd_mimo_config *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET);
+ cmd->rx_antenna_map = rx;
+ cmd->tx_antenna_map = tx;
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_ENABLE_SNIFFER.
+ */
+struct mwl8k_cmd_enable_sniffer {
+ struct mwl8k_cmd_pkt header;
+ __le32 action;
+} __attribute__((packed));
+
+static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable)
+{
+ struct mwl8k_cmd_enable_sniffer *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le32(!!enable);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_MAC_ADDR.
+ */
+struct mwl8k_cmd_set_mac_addr {
+ struct mwl8k_cmd_pkt header;
+ union {
+ struct {
+ __le16 mac_type;
+ __u8 mac_addr[ETH_ALEN];
+ } mbss;
+ __u8 mac_addr[ETH_ALEN];
+ };
+} __attribute__((packed));
+
+static int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_set_mac_addr *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ if (priv->ap_fw) {
+ cmd->mbss.mac_type = 0;
+ memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN);
+ } else {
+ memcpy(cmd->mac_addr, mac, ETH_ALEN);
+ }
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+
+/*
+ * CMD_SET_RATEADAPT_MODE.
+ */
+struct mwl8k_cmd_set_rate_adapt_mode {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __le16 mode;
+} __attribute__((packed));
+
+static int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw *hw, __u16 mode)
+{
+ struct mwl8k_cmd_set_rate_adapt_mode *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_CMD_SET);
+ cmd->mode = cpu_to_le16(mode);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_WMM_MODE.
+ */
+struct mwl8k_cmd_set_wmm {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+} __attribute__((packed));
+
+static int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_set_wmm *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(!!enable);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ if (!rc)
+ priv->wmm_enabled = enable;
+
+ return rc;
+}
+
+/*
+ * CMD_SET_RTS_THRESHOLD.
+ */
+struct mwl8k_cmd_rts_threshold {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __le16 threshold;
+} __attribute__((packed));
+
+static int mwl8k_rts_threshold(struct ieee80211_hw *hw,
+ u16 action, u16 threshold)
+{
+ struct mwl8k_cmd_rts_threshold *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(action);
+ cmd->threshold = cpu_to_le16(threshold);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_EDCA_PARAMS.
+ */
+struct mwl8k_cmd_set_edca_params {
+ struct mwl8k_cmd_pkt header;
+
+ /* See MWL8K_SET_EDCA_XXX below */
+ __le16 action;
+
+ /* TX opportunity in units of 32 us */
+ __le16 txop;
+
+ union {
+ struct {
+ /* Log exponent of max contention period: 0...15 */
+ __le32 log_cw_max;
+
+ /* Log exponent of min contention period: 0...15 */
+ __le32 log_cw_min;
+
+ /* Adaptive interframe spacing in units of 32us */
+ __u8 aifs;
+
+ /* TX queue to configure */
+ __u8 txq;
+ } ap;
+ struct {
+ /* Log exponent of max contention period: 0...15 */
+ __u8 log_cw_max;
+
+ /* Log exponent of min contention period: 0...15 */
+ __u8 log_cw_min;
+
+ /* Adaptive interframe spacing in units of 32us */
+ __u8 aifs;
+
+ /* TX queue to configure */
+ __u8 txq;
+ } sta;
+ };
+} __attribute__((packed));
+
+#define MWL8K_SET_EDCA_CW 0x01
+#define MWL8K_SET_EDCA_TXOP 0x02
+#define MWL8K_SET_EDCA_AIFS 0x04
+
+#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \
+ MWL8K_SET_EDCA_TXOP | \
+ MWL8K_SET_EDCA_AIFS)
+
+static int
+mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum,
+ __u16 cw_min, __u16 cw_max,
+ __u8 aifs, __u16 txop)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_set_edca_params *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ /*
+ * Queues 0 (BE) and 1 (BK) are swapped in hardware for
+ * this call.
+ */
+ qnum ^= !(qnum >> 1);
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);
+ cmd->txop = cpu_to_le16(txop);
+ if (priv->ap_fw) {
+ cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1));
+ cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1));
+ cmd->ap.aifs = aifs;
+ cmd->ap.txq = qnum;
+ } else {
+ cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1);
+ cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1);
+ cmd->sta.aifs = aifs;
+ cmd->sta.txq = qnum;
+ }
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_FINALIZE_JOIN.
+ */
+
+/* FJ beacon buffer size is compiled into the firmware. */
+#define MWL8K_FJ_BEACON_MAXLEN 128
+
+struct mwl8k_cmd_finalize_join {
+ struct mwl8k_cmd_pkt header;
+ __le32 sleep_interval; /* Number of beacon periods to sleep */
+ __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN];
+} __attribute__((packed));
+
+static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame,
+ __u16 framelen, __u16 dtim)
+{
+ struct mwl8k_cmd_finalize_join *cmd;
+ struct ieee80211_mgmt *payload = frame;
+ u16 hdrlen;
+ u32 payload_len;
+ int rc;
+
+ if (frame == NULL)
+ return -EINVAL;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1);
+
+ hdrlen = ieee80211_hdrlen(payload->frame_control);
+
+ payload_len = framelen > hdrlen ? framelen - hdrlen : 0;
+
+ /* XXX TBD Might just have to abort and return an error */
+ if (payload_len > MWL8K_FJ_BEACON_MAXLEN)
+ printk(KERN_ERR "%s(): WARNING: Incomplete beacon "
+ "sent to firmware. Sz=%u MAX=%u\n", __func__,
+ payload_len, MWL8K_FJ_BEACON_MAXLEN);
+
+ if (payload_len > MWL8K_FJ_BEACON_MAXLEN)
+ payload_len = MWL8K_FJ_BEACON_MAXLEN;
+
+ if (payload && payload_len)
+ memcpy(cmd->beacon_data, &payload->u.beacon, payload_len);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+ return rc;
+}
+
+/*
+ * CMD_UPDATE_STADB.
+ */
+struct mwl8k_cmd_update_sta_db {
+ struct mwl8k_cmd_pkt header;
+
+ /* See STADB_ACTION_TYPE */
+ __le32 action;
+
+ /* Peer MAC address */
+ __u8 peer_addr[ETH_ALEN];
+
+ __le32 reserved;
+
+ /* Peer info - valid during add/update. */
+ struct peer_capability_info peer_info;
+} __attribute__((packed));
+
+static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, __u32 action)
+{
+ struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
+ struct ieee80211_bss_conf *info = &mv_vif->bss_info;
+ struct mwl8k_cmd_update_sta_db *cmd;
+ struct peer_capability_info *peer_info;
+ struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
+ int rc;
+ __u8 count, *rates;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ cmd->action = cpu_to_le32(action);
+ peer_info = &cmd->peer_info;
+ memcpy(cmd->peer_addr, mv_vif->bssid, ETH_ALEN);
+
+ switch (action) {
+ case MWL8K_STA_DB_ADD_ENTRY:
+ case MWL8K_STA_DB_MODIFY_ENTRY:
+ /* Build peer_info block */
+ peer_info->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT;
+ peer_info->basic_caps = cpu_to_le16(info->assoc_capability);
+ peer_info->interop = 1;
+ peer_info->amsdu_enabled = 0;
+
+ rates = peer_info->legacy_rates;
+ for (count = 0; count < mv_vif->legacy_nrates; count++)
+ rates[count] = bitrates[count].hw_value;
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ if (rc == 0)
+ mv_vif->peer_id = peer_info->station_id;
+
+ break;
+
+ case MWL8K_STA_DB_DEL_ENTRY:
+ case MWL8K_STA_DB_FLUSH:
+ default:
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ if (rc == 0)
+ mv_vif->peer_id = 0;
+ break;
+ }
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_AID.
+ */
+#define MWL8K_RATE_INDEX_MAX_ARRAY 14
+
+#define MWL8K_FRAME_PROT_DISABLED 0x00
+#define MWL8K_FRAME_PROT_11G 0x07
+#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02
+#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06
+
+struct mwl8k_cmd_update_set_aid {
+ struct mwl8k_cmd_pkt header;
+ __le16 aid;
+
+ /* AP's MAC address (BSSID) */
+ __u8 bssid[ETH_ALEN];
+ __le16 protection_mode;
+ __u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY];
+} __attribute__((packed));
+
+static int mwl8k_cmd_set_aid(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
+ struct ieee80211_bss_conf *info = &mv_vif->bss_info;
+ struct mwl8k_cmd_update_set_aid *cmd;
+ struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
+ int count;
+ u16 prot_mode;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->aid = cpu_to_le16(info->aid);
+
+ memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN);
+
+ if (info->use_cts_prot) {
+ prot_mode = MWL8K_FRAME_PROT_11G;
+ } else {
+ switch (info->ht_operation_mode &
+ IEEE80211_HT_OP_MODE_PROTECTION) {
+ case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
+ prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY;
+ break;
+ case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
+ prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL;
+ break;
+ default:
+ prot_mode = MWL8K_FRAME_PROT_DISABLED;
+ break;
+ }
+ }
+ cmd->protection_mode = cpu_to_le16(prot_mode);
+
+ for (count = 0; count < mv_vif->legacy_nrates; count++)
+ cmd->supp_rates[count] = bitrates[count].hw_value;
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_RATE.
+ */
+struct mwl8k_cmd_update_rateset {
+ struct mwl8k_cmd_pkt header;
+ __u8 legacy_rates[MWL8K_RATE_INDEX_MAX_ARRAY];
+
+ /* Bitmap for supported MCS codes. */
+ __u8 mcs_set[MWL8K_IEEE_LEGACY_DATA_RATES];
+ __u8 reserved[MWL8K_IEEE_LEGACY_DATA_RATES];
+} __attribute__((packed));
+
+static int mwl8k_update_rateset(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
+ struct mwl8k_cmd_update_rateset *cmd;
+ struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
+ int count;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ for (count = 0; count < mv_vif->legacy_nrates; count++)
+ cmd->legacy_rates[count] = bitrates[count].hw_value;
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_USE_FIXED_RATE.
+ */
+#define MWL8K_RATE_TABLE_SIZE 8
+#define MWL8K_UCAST_RATE 0
+#define MWL8K_USE_AUTO_RATE 0x0002
+
+struct mwl8k_rate_entry {
+ /* Set to 1 if HT rate, 0 if legacy. */
+ __le32 is_ht_rate;
+
+ /* Set to 1 to use retry_count field. */
+ __le32 enable_retry;
+
+ /* Specified legacy rate or MCS. */
+ __le32 rate;
+
+ /* Number of allowed retries. */
+ __le32 retry_count;
+} __attribute__((packed));
+
+struct mwl8k_rate_table {
+ /* 1 to allow specified rate and below */
+ __le32 allow_rate_drop;
+ __le32 num_rates;
+ struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE];
+} __attribute__((packed));
+
+struct mwl8k_cmd_use_fixed_rate {
+ struct mwl8k_cmd_pkt header;
+ __le32 action;
+ struct mwl8k_rate_table rate_table;
+
+ /* Unicast, Broadcast or Multicast */
+ __le32 rate_type;
+ __le32 reserved1;
+ __le32 reserved2;
+} __attribute__((packed));
+
+static int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw,
+ u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table)
+{
+ struct mwl8k_cmd_use_fixed_rate *cmd;
+ int count;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+ cmd->action = cpu_to_le32(action);
+ cmd->rate_type = cpu_to_le32(rate_type);
+
+ if (rate_table != NULL) {
+ /*
+ * Copy over each field manually so that endian
+ * conversion can be done.
+ */
+ cmd->rate_table.allow_rate_drop =
+ cpu_to_le32(rate_table->allow_rate_drop);
+ cmd->rate_table.num_rates =
+ cpu_to_le32(rate_table->num_rates);
+
+ for (count = 0; count < rate_table->num_rates; count++) {
+ struct mwl8k_rate_entry *dst =
+ &cmd->rate_table.rate_entry[count];
+ struct mwl8k_rate_entry *src =
+ &rate_table->rate_entry[count];
+
+ dst->is_ht_rate = cpu_to_le32(src->is_ht_rate);
+ dst->enable_retry = cpu_to_le32(src->enable_retry);
+ dst->rate = cpu_to_le32(src->rate);
+ dst->retry_count = cpu_to_le32(src->retry_count);
+ }
+ }
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+
+/*
+ * Interrupt handling.
+ */
+static irqreturn_t mwl8k_interrupt(int irq, void *dev_id)
+{
+ struct ieee80211_hw *hw = dev_id;
+ struct mwl8k_priv *priv = hw->priv;
+ u32 status;
+
+ status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
+ iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
+
+ if (!status)
+ return IRQ_NONE;
+
+ if (status & MWL8K_A2H_INT_TX_DONE)
+ tasklet_schedule(&priv->tx_reclaim_task);
+
+ if (status & MWL8K_A2H_INT_RX_READY) {
+ while (rxq_process(hw, 0, 1))
+ rxq_refill(hw, 0, 1);
+ }
+
+ if (status & MWL8K_A2H_INT_OPC_DONE) {
+ if (priv->hostcmd_wait != NULL)
+ complete(priv->hostcmd_wait);
+ }
+
+ if (status & MWL8K_A2H_INT_QUEUE_EMPTY) {
+ if (!mutex_is_locked(&priv->fw_mutex) &&
+ priv->radio_on && priv->pending_tx_pkts)
+ mwl8k_tx_start(priv);
+ }
+
+ return IRQ_HANDLED;
+}
+
+
+/*
+ * Core driver operations.
+ */
+static int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int index = skb_get_queue_mapping(skb);
+ int rc;
+
+ if (priv->current_channel == NULL) {
+ printk(KERN_DEBUG "%s: dropped TX frame since radio "
+ "disabled\n", wiphy_name(hw->wiphy));
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+
+ rc = mwl8k_txq_xmit(hw, index, skb);
+
+ return rc;
+}
+
+static int mwl8k_start(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int rc;
+
+ rc = request_irq(priv->pdev->irq, &mwl8k_interrupt,
+ IRQF_SHARED, MWL8K_NAME, hw);
+ if (rc) {
+ printk(KERN_ERR "%s: failed to register IRQ handler\n",
+ wiphy_name(hw->wiphy));
+ return -EIO;
+ }
+
+ /* Enable tx reclaim tasklet */
+ tasklet_enable(&priv->tx_reclaim_task);
+
+ /* Enable interrupts */
+ iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+
+ rc = mwl8k_fw_lock(hw);
+ if (!rc) {
+ rc = mwl8k_cmd_802_11_radio_enable(hw);
+
+ if (!priv->ap_fw) {
+ if (!rc)
+ rc = mwl8k_enable_sniffer(hw, 0);
+
+ if (!rc)
+ rc = mwl8k_cmd_set_pre_scan(hw);
+
+ if (!rc)
+ rc = mwl8k_cmd_set_post_scan(hw,
+ "\x00\x00\x00\x00\x00\x00");
+ }
+
+ if (!rc)
+ rc = mwl8k_cmd_setrateadaptmode(hw, 0);
+
+ if (!rc)
+ rc = mwl8k_set_wmm(hw, 0);
+
+ mwl8k_fw_unlock(hw);
+ }
+
+ if (rc) {
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ free_irq(priv->pdev->irq, hw);
+ tasklet_disable(&priv->tx_reclaim_task);
+ }
+
+ return rc;
+}
+
+static void mwl8k_stop(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int i;
+
+ mwl8k_cmd_802_11_radio_disable(hw);
+
+ ieee80211_stop_queues(hw);
+
+ /* Disable interrupts */
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ free_irq(priv->pdev->irq, hw);
+
+ /* Stop finalize join worker */
+ cancel_work_sync(&priv->finalize_join_worker);
+ if (priv->beacon_skb != NULL)
+ dev_kfree_skb(priv->beacon_skb);
+
+ /* Stop tx reclaim tasklet */
+ tasklet_disable(&priv->tx_reclaim_task);
+
+ /* Return all skbs to mac80211 */
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_reclaim(hw, i, 1);
+}
+
+static int mwl8k_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_vif *mwl8k_vif;
+
+ /*
+ * We only support one active interface at a time.
+ */
+ if (priv->vif != NULL)
+ return -EBUSY;
+
+ /*
+ * We only support managed interfaces for now.
+ */
+ if (conf->type != NL80211_IFTYPE_STATION)
+ return -EINVAL;
+
+ /*
+ * Reject interface creation if sniffer mode is active, as
+ * STA operation is mutually exclusive with hardware sniffer
+ * mode.
+ */
+ if (priv->sniffer_enabled) {
+ printk(KERN_INFO "%s: unable to create STA "
+ "interface due to sniffer mode being enabled\n",
+ wiphy_name(hw->wiphy));
+ return -EINVAL;
+ }
+
+ /* Clean out driver private area */
+ mwl8k_vif = MWL8K_VIF(conf->vif);
+ memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
+
+ /* Set and save the mac address */
+ mwl8k_set_mac_addr(hw, conf->mac_addr);
+ memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN);
+
+ /* Back pointer to parent config block */
+ mwl8k_vif->priv = priv;
+
+ /* Setup initial PHY parameters */
+ memcpy(mwl8k_vif->legacy_rates,
+ priv->rates, sizeof(mwl8k_vif->legacy_rates));
+ mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates);
+
+ /* Set Initial sequence number to zero */
+ mwl8k_vif->seqno = 0;
+
+ priv->vif = conf->vif;
+ priv->current_channel = NULL;
+
+ return 0;
+}
+
+static void mwl8k_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ if (priv->vif == NULL)
+ return;
+
+ mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
+
+ priv->vif = NULL;
+}
+
+static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct ieee80211_conf *conf = &hw->conf;
+ struct mwl8k_priv *priv = hw->priv;
+ int rc;
+
+ if (conf->flags & IEEE80211_CONF_IDLE) {
+ mwl8k_cmd_802_11_radio_disable(hw);
+ priv->current_channel = NULL;
+ return 0;
+ }
+
+ rc = mwl8k_fw_lock(hw);
+ if (rc)
+ return rc;
+
+ rc = mwl8k_cmd_802_11_radio_enable(hw);
+ if (rc)
+ goto out;
+
+ rc = mwl8k_cmd_set_rf_channel(hw, conf->channel);
+ if (rc)
+ goto out;
+
+ priv->current_channel = conf->channel;
+
+ if (conf->power_level > 18)
+ conf->power_level = 18;
+ rc = mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level);
+ if (rc)
+ goto out;
+
+ if (priv->ap_fw) {
+ rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x7);
+ if (!rc)
+ rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7);
+ } else {
+ rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7);
+ }
+
+out:
+ mwl8k_fw_unlock(hw);
+
+ return rc;
+}
+
+static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+ int rc;
+
+ if (changed & BSS_CHANGED_BSSID)
+ memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN);
+
+ if ((changed & BSS_CHANGED_ASSOC) == 0)
+ return;
+
+ priv->capture_beacon = false;
+
+ rc = mwl8k_fw_lock(hw);
+ if (rc)
+ return;
+
+ if (info->assoc) {
+ memcpy(&mwl8k_vif->bss_info, info,
+ sizeof(struct ieee80211_bss_conf));
+
+ /* Install rates */
+ rc = mwl8k_update_rateset(hw, vif);
+ if (rc)
+ goto out;
+
+ /* Turn on rate adaptation */
+ rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
+ MWL8K_UCAST_RATE, NULL);
+ if (rc)
+ goto out;
+
+ /* Set radio preamble */
+ rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble);
+ if (rc)
+ goto out;
+
+ /* Set slot time */
+ rc = mwl8k_cmd_set_slot(hw, info->use_short_slot);
+ if (rc)
+ goto out;
+
+ /* Update peer rate info */
+ rc = mwl8k_cmd_update_sta_db(hw, vif,
+ MWL8K_STA_DB_MODIFY_ENTRY);
+ if (rc)
+ goto out;
+
+ /* Set AID */
+ rc = mwl8k_cmd_set_aid(hw, vif);
+ if (rc)
+ goto out;
+
+ /*
+ * Finalize the join. Tell rx handler to process
+ * next beacon from our BSSID.
+ */
+ memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN);
+ priv->capture_beacon = true;
+ } else {
+ rc = mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY);
+ memset(&mwl8k_vif->bss_info, 0,
+ sizeof(struct ieee80211_bss_conf));
+ memset(mwl8k_vif->bssid, 0, ETH_ALEN);
+ }
+
+out:
+ mwl8k_fw_unlock(hw);
+}
+
+static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,
+ int mc_count, struct dev_addr_list *mclist)
+{
+ struct mwl8k_cmd_pkt *cmd;
+
+ /*
+ * Synthesize and return a command packet that programs the
+ * hardware multicast address filter. At this point we don't
+ * know whether FIF_ALLMULTI is being requested, but if it is,
+ * we'll end up throwing this packet away and creating a new
+ * one in mwl8k_configure_filter().
+ */
+ cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_count, mclist);
+
+ return (unsigned long)cmd;
+}
+
+static int
+mwl8k_configure_filter_sniffer(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ /*
+ * Hardware sniffer mode is mutually exclusive with STA
+ * operation, so refuse to enable sniffer mode if a STA
+ * interface is active.
+ */
+ if (priv->vif != NULL) {
+ if (net_ratelimit())
+ printk(KERN_INFO "%s: not enabling sniffer "
+ "mode because STA interface is active\n",
+ wiphy_name(hw->wiphy));
+ return 0;
+ }
+
+ if (!priv->sniffer_enabled) {
+ if (mwl8k_enable_sniffer(hw, 1))
+ return 0;
+ priv->sniffer_enabled = true;
+ }
+
+ *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI |
+ FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL |
+ FIF_OTHER_BSS;
+
+ return 1;
+}
+
+static void mwl8k_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast;
+
+ /*
+ * AP firmware doesn't allow fine-grained control over
+ * the receive filter.
+ */
+ if (priv->ap_fw) {
+ *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
+ kfree(cmd);
+ return;
+ }
+
+ /*
+ * Enable hardware sniffer mode if FIF_CONTROL or
+ * FIF_OTHER_BSS is requested.
+ */
+ if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) &&
+ mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) {
+ kfree(cmd);
+ return;
+ }
+
+ /* Clear unsupported feature flags */
+ *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
+
+ if (mwl8k_fw_lock(hw))
+ return;
+
+ if (priv->sniffer_enabled) {
+ mwl8k_enable_sniffer(hw, 0);
+ priv->sniffer_enabled = false;
+ }
+
+ if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+ if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
+ /*
+ * Disable the BSS filter.
+ */
+ mwl8k_cmd_set_pre_scan(hw);
+ } else {
+ u8 *bssid;
+
+ /*
+ * Enable the BSS filter.
+ *
+ * If there is an active STA interface, use that
+ * interface's BSSID, otherwise use a dummy one
+ * (where the OUI part needs to be nonzero for
+ * the BSSID to be accepted by POST_SCAN).
+ */
+ bssid = "\x01\x00\x00\x00\x00\x00";
+ if (priv->vif != NULL)
+ bssid = MWL8K_VIF(priv->vif)->bssid;
+
+ mwl8k_cmd_set_post_scan(hw, bssid);
+ }
+ }
+
+ /*
+ * If FIF_ALLMULTI is being requested, throw away the command
+ * packet that ->prepare_multicast() built and replace it with
+ * a command packet that enables reception of all multicast
+ * packets.
+ */
+ if (*total_flags & FIF_ALLMULTI) {
+ kfree(cmd);
+ cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, 0, NULL);
+ }
+
+ if (cmd != NULL) {
+ mwl8k_post_cmd(hw, cmd);
+ kfree(cmd);
+ }
+
+ mwl8k_fw_unlock(hw);
+}
+
+static int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ return mwl8k_rts_threshold(hw, MWL8K_CMD_SET, value);
+}
+
+static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int rc;
+
+ rc = mwl8k_fw_lock(hw);
+ if (!rc) {
+ if (!priv->wmm_enabled)
+ rc = mwl8k_set_wmm(hw, 1);
+
+ if (!rc)
+ rc = mwl8k_set_edca_params(hw, queue,
+ params->cw_min,
+ params->cw_max,
+ params->aifs,
+ params->txop);
+
+ mwl8k_fw_unlock(hw);
+ }
+
+ return rc;
+}
+
+static int mwl8k_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *stats)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_tx_queue *txq;
+ int index;
+
+ spin_lock_bh(&priv->tx_lock);
+ for (index = 0; index < MWL8K_TX_QUEUES; index++) {
+ txq = priv->txq + index;
+ memcpy(&stats[index], &txq->stats,
+ sizeof(struct ieee80211_tx_queue_stats));
+ }
+ spin_unlock_bh(&priv->tx_lock);
+
+ return 0;
+}
+
+static int mwl8k_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ return mwl8k_cmd_802_11_get_stat(hw, stats);
+}
+
+static const struct ieee80211_ops mwl8k_ops = {
+ .tx = mwl8k_tx,
+ .start = mwl8k_start,
+ .stop = mwl8k_stop,
+ .add_interface = mwl8k_add_interface,
+ .remove_interface = mwl8k_remove_interface,
+ .config = mwl8k_config,
+ .bss_info_changed = mwl8k_bss_info_changed,
+ .prepare_multicast = mwl8k_prepare_multicast,
+ .configure_filter = mwl8k_configure_filter,
+ .set_rts_threshold = mwl8k_set_rts_threshold,
+ .conf_tx = mwl8k_conf_tx,
+ .get_tx_stats = mwl8k_get_tx_stats,
+ .get_stats = mwl8k_get_stats,
+};
+
+static void mwl8k_tx_reclaim_handler(unsigned long data)
+{
+ int i;
+ struct ieee80211_hw *hw = (struct ieee80211_hw *) data;
+ struct mwl8k_priv *priv = hw->priv;
+
+ spin_lock_bh(&priv->tx_lock);
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_reclaim(hw, i, 0);
+
+ if (priv->tx_wait != NULL && !priv->pending_tx_pkts) {
+ complete(priv->tx_wait);
+ priv->tx_wait = NULL;
+ }
+ spin_unlock_bh(&priv->tx_lock);
+}
+
+static void mwl8k_finalize_join_worker(struct work_struct *work)
+{
+ struct mwl8k_priv *priv =
+ container_of(work, struct mwl8k_priv, finalize_join_worker);
+ struct sk_buff *skb = priv->beacon_skb;
+ u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period;
+
+ mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim);
+ dev_kfree_skb(skb);
+
+ priv->beacon_skb = NULL;
+}
+
+int mwl8k_probe(struct pci_dev *pdev, struct mwl8k_device_info *info)
+{
+ static int printed_version = 0;
+ struct ieee80211_hw *hw;
+ struct mwl8k_priv *priv;
+ int rc;
+ int i;
+
+ if (!printed_version) {
+ printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION);
+ printed_version = 1;
+ }
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot enable new PCI device\n",
+ MWL8K_NAME);
+ return rc;
+ }
+
+ rc = pci_request_regions(pdev, MWL8K_NAME);
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot obtain PCI resources\n",
+ MWL8K_NAME);
+ return rc;
+ }
+
+ pci_set_master(pdev);
+
+ hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops);
+ if (hw == NULL) {
+ printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME);
+ rc = -ENOMEM;
+ goto err_free_reg;
+ }
+
+ priv = hw->priv;
+ priv->hw = hw;
+ priv->pdev = pdev;
+ priv->device_info = info;
+ priv->rxd_ops = priv->device_info->rxd_ops;
+ priv->sniffer_enabled = false;
+ priv->wmm_enabled = false;
+ priv->pending_tx_pkts = 0;
+
+ SET_IEEE80211_DEV(hw, &pdev->dev);
+ pci_set_drvdata(pdev, hw);
+
+ priv->sram = pci_iomap(pdev, 0, 0x10000);
+ if (priv->sram == NULL) {
+ printk(KERN_ERR "%s: Cannot map device SRAM\n",
+ wiphy_name(hw->wiphy));
+ goto err_iounmap;
+ }
+
+ /*
+ * If BAR0 is a 32 bit BAR, the register BAR will be BAR1.
+ * If BAR0 is a 64 bit BAR, the register BAR will be BAR2.
+ */
+ priv->regs = pci_iomap(pdev, 1, 0x10000);
+ if (priv->regs == NULL) {
+ priv->regs = pci_iomap(pdev, 2, 0x10000);
+ if (priv->regs == NULL) {
+ printk(KERN_ERR "%s: Cannot map device registers\n",
+ wiphy_name(hw->wiphy));
+ goto err_iounmap;
+ }
+ }
+
+ memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels));
+ priv->band.band = IEEE80211_BAND_2GHZ;
+ priv->band.channels = priv->channels;
+ priv->band.n_channels = ARRAY_SIZE(mwl8k_channels);
+ priv->band.bitrates = priv->rates;
+ priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates);
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
+
+ BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates));
+ memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates));
+
+ /*
+ * Extra headroom is the size of the required DMA header
+ * minus the size of the smallest 802.11 frame (CTS frame).
+ */
+ hw->extra_tx_headroom =
+ sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts);
+
+ hw->channel_change_time = 10;
+
+ hw->queues = MWL8K_TX_QUEUES;
+
+ hw->wiphy->interface_modes = priv->device_info->modes;
+
+ /* Set rssi and noise values to dBm */
+ hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM;
+ hw->vif_data_size = sizeof(struct mwl8k_vif);
+ priv->vif = NULL;
+
+ /* Set default radio state and preamble */
+ priv->radio_on = 0;
+ priv->radio_short_preamble = 0;
+
+ /* Finalize join worker */
+ INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker);
+
+ /* TX reclaim tasklet */
+ tasklet_init(&priv->tx_reclaim_task,
+ mwl8k_tx_reclaim_handler, (unsigned long)hw);
+ tasklet_disable(&priv->tx_reclaim_task);
+
+ /* Power management cookie */
+ priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma);
+ if (priv->cookie == NULL)
+ goto err_iounmap;
+
+ rc = mwl8k_rxq_init(hw, 0);
+ if (rc)
+ goto err_iounmap;
+ rxq_refill(hw, 0, INT_MAX);
+
+ mutex_init(&priv->fw_mutex);
+ priv->fw_mutex_owner = NULL;
+ priv->fw_mutex_depth = 0;
+ priv->hostcmd_wait = NULL;
+
+ spin_lock_init(&priv->tx_lock);
+
+ priv->tx_wait = NULL;
+
+ for (i = 0; i < MWL8K_TX_QUEUES; i++) {
+ rc = mwl8k_txq_init(hw, i);
+ if (rc)
+ goto err_free_queues;
+ }
+
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL);
+ iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK);
+
+ rc = request_irq(priv->pdev->irq, &mwl8k_interrupt,
+ IRQF_SHARED, MWL8K_NAME, hw);
+ if (rc) {
+ printk(KERN_ERR "%s: failed to register IRQ handler\n",
+ wiphy_name(hw->wiphy));
+ goto err_free_queues;
+ }
+
+ /* Reset firmware and hardware */
+ mwl8k_hw_reset(priv);
+
+ /* Ask userland hotplug daemon for the device firmware */
+ rc = mwl8k_request_firmware(priv);
+ if (rc) {
+ printk(KERN_ERR "%s: Firmware files not found\n",
+ wiphy_name(hw->wiphy));
+ goto err_free_irq;
+ }
+
+ /* Load firmware into hardware */
+ rc = mwl8k_load_firmware(hw);
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot start firmware\n",
+ wiphy_name(hw->wiphy));
+ goto err_stop_firmware;
+ }
+
+ /* Reclaim memory once firmware is successfully loaded */
+ mwl8k_release_firmware(priv);
+
+ /*
+ * Temporarily enable interrupts. Initial firmware host
+ * commands use interrupts and avoids polling. Disable
+ * interrupts when done.
+ */
+ iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+
+ /* Get config data, mac addrs etc */
+ if (priv->ap_fw) {
+ rc = mwl8k_cmd_get_hw_spec_ap(hw);
+ if (!rc)
+ rc = mwl8k_cmd_set_hw_spec(hw);
+ } else {
+ rc = mwl8k_cmd_get_hw_spec_sta(hw);
+ }
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot initialise firmware\n",
+ wiphy_name(hw->wiphy));
+ goto err_stop_firmware;
+ }
+
+ /* Turn radio off */
+ rc = mwl8k_cmd_802_11_radio_disable(hw);
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy));
+ goto err_stop_firmware;
+ }
+
+ /* Clear MAC address */
+ rc = mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot clear MAC address\n",
+ wiphy_name(hw->wiphy));
+ goto err_stop_firmware;
+ }
+
+ /* Disable interrupts */
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ free_irq(priv->pdev->irq, hw);
+
+ rc = ieee80211_register_hw(hw);
+ if (rc) {
+ printk(KERN_ERR "%s: Cannot register device\n",
+ wiphy_name(hw->wiphy));
+ goto err_stop_firmware;
+ }
+
+ printk(KERN_INFO "%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n",
+ wiphy_name(hw->wiphy), priv->device_info->part_name,
+ priv->hw_rev, hw->wiphy->perm_addr,
+ priv->ap_fw ? "AP" : "STA",
+ (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff,
+ (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff);
+
+ return 0;
+
+err_stop_firmware:
+ mwl8k_hw_reset(priv);
+ mwl8k_release_firmware(priv);
+
+err_free_irq:
+ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ free_irq(priv->pdev->irq, hw);
+
+err_free_queues:
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_deinit(hw, i);
+ mwl8k_rxq_deinit(hw, 0);
+
+err_iounmap:
+ if (priv->cookie != NULL)
+ pci_free_consistent(priv->pdev, 4,
+ priv->cookie, priv->cookie_dma);
+
+ if (priv->regs != NULL)
+ pci_iounmap(pdev, priv->regs);
+
+ if (priv->sram != NULL)
+ pci_iounmap(pdev, priv->sram);
+
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(hw);
+
+err_free_reg:
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+
+ return rc;
+}
+EXPORT_SYMBOL_GPL(mwl8k_probe);
+
+void mwl8k_shutdown(struct pci_dev *pdev)
+{
+ printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__);
+}
+EXPORT_SYMBOL_GPL(mwl8k_shutdown);
+
+void mwl8k_remove(struct pci_dev *pdev)
+{
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct mwl8k_priv *priv;
+ int i;
+
+ if (hw == NULL)
+ return;
+ priv = hw->priv;
+
+ ieee80211_stop_queues(hw);
+
+ ieee80211_unregister_hw(hw);
+
+ /* Remove tx reclaim tasklet */
+ tasklet_kill(&priv->tx_reclaim_task);
+
+ /* Stop hardware */
+ mwl8k_hw_reset(priv);
+
+ /* Return all skbs to mac80211 */
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_reclaim(hw, i, 1);
+
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_deinit(hw, i);
+
+ mwl8k_rxq_deinit(hw, 0);
+
+ pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma);
+
+ pci_iounmap(pdev, priv->regs);
+ pci_iounmap(pdev, priv->sram);
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(hw);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+}
+EXPORT_SYMBOL_GPL(mwl8k_remove);
+
+MODULE_DESCRIPTION(MWL8K_DESC);
+MODULE_VERSION(MWL8K_VERSION);
+MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
+MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,146 @@
+/*
+ * drivers/net/wireless/mwl8k.c
+ * Driver for Marvell TOPDOG 802.11 Wireless cards
+ *
+ * Copyright (C) 2008-2009 Marvell Semiconductor Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/etherdevice.h>
+#include <net/mac80211.h>
+
+#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver"
+#define MWL8K_NAME KBUILD_MODNAME
+#define MWL8K_VERSION "0.10"
+
+/* Register definitions */
+#define MWL8K_HIU_GEN_PTR 0x00000c10
+#define MWL8K_MODE_STA 0x0000005a
+#define MWL8K_MODE_AP 0x000000a5
+#define MWL8K_HIU_INT_CODE 0x00000c14
+#define MWL8K_FWSTA_READY 0xf0f1f2f4
+#define MWL8K_FWAP_READY 0xf1f2f4a5
+#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005
+#define MWL8K_HIU_SCRATCH 0x00000c40
+
+/* Host->device communications */
+#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18
+#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c
+#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20
+#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24
+#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28
+#define MWL8K_H2A_INT_DUMMY (1 << 20)
+#define MWL8K_H2A_INT_RESET (1 << 15)
+#define MWL8K_H2A_INT_DOORBELL (1 << 1)
+#define MWL8K_H2A_INT_PPA_READY (1 << 0)
+
+/* Device->host communications */
+#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c
+#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30
+#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34
+#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38
+#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c
+#define MWL8K_A2H_INT_DUMMY (1 << 20)
+#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11)
+#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10)
+#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7)
+#define MWL8K_A2H_INT_RADIO_ON (1 << 6)
+#define MWL8K_A2H_INT_RADIO_OFF (1 << 5)
+#define MWL8K_A2H_INT_MAC_EVENT (1 << 3)
+#define MWL8K_A2H_INT_OPC_DONE (1 << 2)
+#define MWL8K_A2H_INT_RX_READY (1 << 1)
+#define MWL8K_A2H_INT_TX_DONE (1 << 0)
+
+#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \
+ MWL8K_A2H_INT_CHNL_SWITCHED | \
+ MWL8K_A2H_INT_QUEUE_EMPTY | \
+ MWL8K_A2H_INT_RADAR_DETECT | \
+ MWL8K_A2H_INT_RADIO_ON | \
+ MWL8K_A2H_INT_RADIO_OFF | \
+ MWL8K_A2H_INT_MAC_EVENT | \
+ MWL8K_A2H_INT_OPC_DONE | \
+ MWL8K_A2H_INT_RX_READY | \
+ MWL8K_A2H_INT_TX_DONE)
+
+#define MWL8K_RX_QUEUES 1
+#define MWL8K_TX_QUEUES 4
+
+/* Set or get info from Firmware */
+#define MWL8K_CMD_SET 0x0001
+#define MWL8K_CMD_GET 0x0000
+
+/* Firmware command codes */
+#define MWL8K_CMD_CODE_DNLD 0x0001
+#define MWL8K_CMD_GET_HW_SPEC 0x0003
+#define MWL8K_CMD_SET_HW_SPEC 0x0004
+#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010
+#define MWL8K_CMD_GET_STAT 0x0014
+#define MWL8K_CMD_RADIO_CONTROL 0x001c
+#define MWL8K_CMD_RF_TX_POWER 0x001e
+#define MWL8K_CMD_RF_ANTENNA 0x0020
+#define MWL8K_CMD_SET_PRE_SCAN 0x0107
+#define MWL8K_CMD_SET_POST_SCAN 0x0108
+#define MWL8K_CMD_SET_RF_CHANNEL 0x010a
+#define MWL8K_CMD_SET_AID 0x010d
+#define MWL8K_CMD_SET_RATE 0x0110
+#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111
+#define MWL8K_CMD_RTS_THRESHOLD 0x0113
+#define MWL8K_CMD_SET_SLOT 0x0114
+#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115
+#define MWL8K_CMD_SET_WMM_MODE 0x0123
+#define MWL8K_CMD_MIMO_CONFIG 0x0125
+#define MWL8K_CMD_USE_FIXED_RATE 0x0126
+#define MWL8K_CMD_ENABLE_SNIFFER 0x0150
+#define MWL8K_CMD_SET_MAC_ADDR 0x0202
+#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
+#define MWL8K_CMD_UPDATE_STADB 0x1123
+
+/* Defines common to 8361 and 8687 */
+#define MWL8K_8361_8687_RATE_INFO_SHORTPRE 0x8000
+#define MWL8K_8361_8687_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3)
+#define MWL8K_8361_8687_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f)
+#define MWL8K_8361_8687_RATE_INFO_40MHZ 0x0004
+#define MWL8K_8361_8687_RATE_INFO_SHORTGI 0x0002
+#define MWL8K_8361_8687_RATE_INFO_MCS_FORMAT 0x0001
+
+#define MWL8K_8361_8687_RX_CTRL_OWNED_BY_HOST 0x02
+
+
+static const struct ieee80211_rate mwl8k_rates[] = {
+ { .bitrate = 10, .hw_value = 2, },
+ { .bitrate = 20, .hw_value = 4, },
+ { .bitrate = 55, .hw_value = 11, },
+ { .bitrate = 110, .hw_value = 22, },
+ { .bitrate = 220, .hw_value = 44, },
+ { .bitrate = 60, .hw_value = 12, },
+ { .bitrate = 90, .hw_value = 18, },
+ { .bitrate = 120, .hw_value = 24, },
+ { .bitrate = 180, .hw_value = 36, },
+ { .bitrate = 240, .hw_value = 48, },
+ { .bitrate = 360, .hw_value = 72, },
+ { .bitrate = 480, .hw_value = 96, },
+ { .bitrate = 540, .hw_value = 108, },
+};
+
+struct rxd_ops {
+ int rxd_size;
+ void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr);
+ void (*rxd_refill)(void *rxd, dma_addr_t addr, int len);
+ int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status);
+};
+
+struct mwl8k_device_info {
+ char *part_name;
+ char *helper_image;
+ char *fw_image;
+ struct rxd_ops *rxd_ops;
+ u16 modes;
+};
+
+int mwl8k_probe(struct pci_dev *pdev, struct mwl8k_device_info *info);
+void mwl8k_remove(struct pci_dev *pdev);
+void mwl8k_shutdown(struct pci_dev *pdev);
+