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Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
-rw-r--r--drivers/net/wireless/mwl8k.c1559
1 files changed, 447 insertions, 1112 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 83967afe0821..746532ebe5a8 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1,7 +1,8 @@
/*
- * drivers/net/wireless/mwl8k.c driver for Marvell TOPDOG 802.11 Wireless cards
+ * drivers/net/wireless/mwl8k.c
+ * Driver for Marvell TOPDOG 802.11 Wireless cards
*
- * Copyright (C) 2008 Marvell Semiconductor Inc.
+ * 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
@@ -24,7 +25,7 @@
#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver"
#define MWL8K_NAME KBUILD_MODNAME
-#define MWL8K_VERSION "0.9.1"
+#define MWL8K_VERSION "0.10"
MODULE_DESCRIPTION(MWL8K_DESC);
MODULE_VERSION(MWL8K_VERSION);
@@ -38,16 +39,14 @@ static DEFINE_PCI_DEVICE_TABLE(mwl8k_table) = {
};
MODULE_DEVICE_TABLE(pci, mwl8k_table);
-#define IEEE80211_ADDR_LEN ETH_ALEN
-
/* Register definitions */
#define MWL8K_HIU_GEN_PTR 0x00000c10
-#define MWL8K_MODE_STA 0x0000005a
-#define MWL8K_MODE_AP 0x000000a5
+#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_FWSTA_READY 0xf0f1f2f4
+#define MWL8K_FWAP_READY 0xf1f2f4a5
+#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005
#define MWL8K_HIU_SCRATCH 0x00000c40
/* Host->device communications */
@@ -56,11 +55,10 @@ MODULE_DEVICE_TABLE(pci, mwl8k_table);
#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_PS (1 << 2)
-#define MWL8K_H2A_INT_DOORBELL (1 << 1)
-#define MWL8K_H2A_INT_PPA_READY (1 << 0)
+#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
@@ -68,16 +66,16 @@ MODULE_DEVICE_TABLE(pci, mwl8k_table);
#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_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 | \
@@ -113,17 +111,6 @@ struct mwl8k_rx_queue {
struct sk_buff **rx_skb;
};
-struct mwl8k_skb {
- /*
- * The DMA engine requires a modification to the payload.
- * If the skbuff is shared/cloned, it needs to be unshared.
- * This method is used to ensure the stack always gets back
- * the skbuff it sent for transmission.
- */
- struct sk_buff *clone;
- struct sk_buff *skb;
-};
-
struct mwl8k_tx_queue {
/* hw transmits here */
int tx_head;
@@ -134,7 +121,7 @@ struct mwl8k_tx_queue {
struct ieee80211_tx_queue_stats tx_stats;
struct mwl8k_tx_desc *tx_desc_area;
dma_addr_t tx_desc_dma;
- struct mwl8k_skb *tx_skb;
+ struct sk_buff **tx_skb;
};
/* Pointers to the firmware data and meta information about it. */
@@ -152,19 +139,22 @@ struct mwl8k_priv {
struct pci_dev *pdev;
u8 name[16];
- /* firmware access lock */
- spinlock_t fw_lock;
/* firmware files and meta data */
struct mwl8k_firmware fw;
u32 part_num;
+ /* firmware access */
+ struct mutex fw_mutex;
+ struct task_struct *fw_mutex_owner;
+ int fw_mutex_depth;
+ struct completion *tx_wait;
+ struct completion *hostcmd_wait;
+
/* lock held over TX and TX reap */
spinlock_t tx_lock;
- u32 int_mask;
struct ieee80211_vif *vif;
- struct list_head vif_list;
struct ieee80211_channel *current_channel;
@@ -173,10 +163,8 @@ struct mwl8k_priv {
dma_addr_t cookie_dma;
u16 num_mcaddrs;
- u16 region_code;
u8 hw_rev;
- __le32 fw_rev;
- u32 wep_enabled;
+ u32 fw_rev;
/*
* Running count of TX packets in flight, to avoid
@@ -192,19 +180,13 @@ struct mwl8k_priv {
struct ieee80211_channel channels[14];
struct ieee80211_rate rates[12];
- /* RF preamble: Short, Long or Auto */
- u8 radio_preamble;
- u8 radio_state;
-
- /* WMM MODE 1 for enabled; 0 for disabled */
- bool wmm_mode;
-
- /* Set if PHY config is in progress */
- bool inconfig;
+ bool radio_on;
+ bool radio_short_preamble;
+ bool wmm_enabled;
/* XXX need to convert this to handle multiple interfaces */
bool capture_beacon;
- u8 capture_bssid[IEEE80211_ADDR_LEN];
+ u8 capture_bssid[ETH_ALEN];
struct sk_buff *beacon_skb;
/*
@@ -220,14 +202,10 @@ struct mwl8k_priv {
/* Work thread to serialize configuration requests */
struct workqueue_struct *config_wq;
- struct completion *hostcmd_wait;
- struct completion *tx_wait;
};
/* Per interface specific private data */
struct mwl8k_vif {
- struct list_head node;
-
/* backpointer to parent config block */
struct mwl8k_priv *priv;
@@ -235,8 +213,8 @@ struct mwl8k_vif {
struct ieee80211_bss_conf bss_info;
/* BSSID of AP or IBSS */
- u8 bssid[IEEE80211_ADDR_LEN];
- u8 mac_addr[IEEE80211_ADDR_LEN];
+ u8 bssid[ETH_ALEN];
+ u8 mac_addr[ETH_ALEN];
/*
* Subset of supported legacy rates.
@@ -247,18 +225,11 @@ struct mwl8k_vif {
/* number of supported legacy rates */
u8 legacy_nrates;
- /* Number of supported MCS rates. Work in progress */
- u8 mcs_nrates;
-
/* Index into station database.Returned by update_sta_db call */
u8 peer_id;
/* Non AMPDU sequence number assigned by driver */
u16 seqno;
-
- /* Note:There is no channel info,
- * refer to the master channel info in priv
- */
};
#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
@@ -292,28 +263,6 @@ static const struct ieee80211_rate mwl8k_rates[] = {
{ .bitrate = 540, .hw_value = 108, },
};
-/* Radio settings */
-#define MWL8K_RADIO_FORCE 0x2
-#define MWL8K_RADIO_ENABLE 0x1
-#define MWL8K_RADIO_DISABLE 0x0
-#define MWL8K_RADIO_AUTO_PREAMBLE 0x0005
-#define MWL8K_RADIO_SHORT_PREAMBLE 0x0003
-#define MWL8K_RADIO_LONG_PREAMBLE 0x0001
-
-/* WMM */
-#define MWL8K_WMM_ENABLE 1
-#define MWL8K_WMM_DISABLE 0
-
-#define MWL8K_RADIO_DEFAULT_PREAMBLE MWL8K_RADIO_LONG_PREAMBLE
-
-/* Slot time */
-
-/* Short Slot: 9us slot time */
-#define MWL8K_SHORT_SLOTTIME 1
-
-/* Long slot: 20us slot time */
-#define MWL8K_LONG_SLOTTIME 0
-
/* Set or get info from Firmware */
#define MWL8K_CMD_SET 0x0001
#define MWL8K_CMD_GET 0x0000
@@ -323,25 +272,23 @@ static const struct ieee80211_rate mwl8k_rates[] = {
#define MWL8K_CMD_GET_HW_SPEC 0x0003
#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_RADIO_CONTROL 0x001c
+#define MWL8K_CMD_RF_TX_POWER 0x001e
#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_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_WMM_MODE 0x0123
-#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115
-#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111
-#define MWL8K_CMD_UPDATE_STADB 0x1123
#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
-#define MWL8K_CMD_SET_LINKADAPT_MODE 0x0129
-#define MWL8K_CMD_SET_AID 0x010d
-#define MWL8K_CMD_SET_RATE 0x0110
-#define MWL8K_CMD_USE_FIXED_RATE 0x0126
-#define MWL8K_CMD_RTS_THRESHOLD 0x0113
-#define MWL8K_CMD_ENCRYPTION 0x1122
+#define MWL8K_CMD_UPDATE_STADB 0x1123
static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
{
@@ -349,7 +296,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
snprintf(buf, bufsize, "%s", #x);\
return buf;\
} while (0)
- switch (cmd & (~0x8000)) {
+ switch (cmd & ~0x8000) {
MWL8K_CMDNAME(CODE_DNLD);
MWL8K_CMDNAME(GET_HW_SPEC);
MWL8K_CMDNAME(MAC_MULTICAST_ADR);
@@ -359,20 +306,18 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
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_WMM_MODE);
- MWL8K_CMDNAME(SET_EDCA_PARAMS);
- MWL8K_CMDNAME(SET_FINALIZE_JOIN);
- MWL8K_CMDNAME(UPDATE_STADB);
MWL8K_CMDNAME(SET_RATEADAPT_MODE);
- MWL8K_CMDNAME(SET_LINKADAPT_MODE);
- MWL8K_CMDNAME(SET_AID);
- MWL8K_CMDNAME(SET_RATE);
- MWL8K_CMDNAME(USE_FIXED_RATE);
- MWL8K_CMDNAME(RTS_THRESHOLD);
- MWL8K_CMDNAME(ENCRYPTION);
+ MWL8K_CMDNAME(UPDATE_STADB);
default:
snprintf(buf, bufsize, "0x%x", cmd);
}
@@ -466,7 +411,6 @@ mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
{
void __iomem *regs = priv->regs;
dma_addr_t dma_addr;
- int rc;
int loops;
dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE);
@@ -480,7 +424,6 @@ mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
iowrite32(MWL8K_H2A_INT_DUMMY,
regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS);
- rc = -ETIMEDOUT;
loops = 1000;
do {
u32 int_code;
@@ -488,7 +431,6 @@ mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
int_code = ioread32(regs + MWL8K_HIU_INT_CODE);
if (int_code == MWL8K_INT_CODE_CMD_FINISHED) {
iowrite32(0, regs + MWL8K_HIU_INT_CODE);
- rc = 0;
break;
}
@@ -497,26 +439,7 @@ mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE);
- /*
- * Clear 'command done' interrupt bit.
- */
- loops = 1000;
- do {
- u32 status;
-
- status = ioread32(priv->regs +
- MWL8K_HIU_A2H_INTERRUPT_STATUS);
- if (status & MWL8K_A2H_INT_OPC_DONE) {
- iowrite32(~MWL8K_A2H_INT_OPC_DONE,
- priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- break;
- }
-
- udelay(1);
- } while (--loops);
-
- return rc;
+ return loops ? 0 : -ETIMEDOUT;
}
static int mwl8k_load_fw_image(struct mwl8k_priv *priv,
@@ -681,11 +604,9 @@ struct ewc_ht_info {
/* Peer Entry flags - used to define the type of the peer node */
#define MWL8K_PEER_TYPE_ACCESSPOINT 2
-#define MWL8K_PEER_TYPE_ADHOC_STATION 4
#define MWL8K_IEEE_LEGACY_DATA_RATES 12
#define MWL8K_MCS_BITMAP_SIZE 16
-#define pad_size 16
struct peer_capability_info {
/* Peer type - AP vs. STA. */
@@ -707,7 +628,7 @@ struct peer_capability_info {
/* HT rate table. Intersection of our rates and peer rates. */
__u8 ht_rates[MWL8K_MCS_BITMAP_SIZE];
- __u8 pad[pad_size];
+ __u8 pad[16];
/* If set, interoperability mode, no proprietary extensions. */
__u8 interop;
@@ -717,15 +638,6 @@ struct peer_capability_info {
} __attribute__((packed));
/* Inline functions to manipulate QoS field in data descriptor. */
-static inline u16 mwl8k_qos_setbit_tid(u16 qos, u8 tid)
-{
- u16 val_mask = 0x000f;
- u16 qos_mask = ~val_mask;
-
- /* TID bits 0-3 */
- return (qos & qos_mask) | (tid & val_mask);
-}
-
static inline u16 mwl8k_qos_setbit_eosp(u16 qos)
{
u16 val_mask = 1 << 4;
@@ -769,12 +681,11 @@ struct mwl8k_dma_data {
} __attribute__((packed));
/* Routines to add/remove DMA header from skb. */
-static inline int mwl8k_remove_dma_header(struct sk_buff *skb)
+static inline void mwl8k_remove_dma_header(struct sk_buff *skb)
{
- struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)(skb->data);
+ struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)skb->data;
void *dst, *src = &tr->wh;
- __le16 fc = tr->wh.frame_control;
- int hdrlen = ieee80211_hdrlen(fc);
+ int hdrlen = ieee80211_hdrlen(tr->wh.frame_control);
u16 space = sizeof(struct mwl8k_dma_data) - hdrlen;
dst = (void *)tr + space;
@@ -782,11 +693,9 @@ static inline int mwl8k_remove_dma_header(struct sk_buff *skb)
memmove(dst, src, hdrlen);
skb_pull(skb, space);
}
-
- return 0;
}
-static inline struct sk_buff *mwl8k_add_dma_header(struct sk_buff *skb)
+static inline void mwl8k_add_dma_header(struct sk_buff *skb)
{
struct ieee80211_hdr *wh;
u32 hdrlen, pktlen;
@@ -810,7 +719,7 @@ static inline struct sk_buff *mwl8k_add_dma_header(struct sk_buff *skb)
memmove(&tr->wh, wh, hdrlen);
/* Clear addr4 */
- memset(tr->wh.addr4, 0, IEEE80211_ADDR_LEN);
+ memset(tr->wh.addr4, 0, ETH_ALEN);
/*
* Firmware length is the length of the fully formed "802.11
@@ -818,17 +727,13 @@ static inline struct sk_buff *mwl8k_add_dma_header(struct sk_buff *skb)
* This includes all crypto material including the MIC.
*/
tr->fwlen = cpu_to_le16(pktlen - hdrlen);
-
- return skb;
}
/*
* Packet reception.
*/
-#define MWL8K_RX_CTRL_KEY_INDEX_MASK 0x30
#define MWL8K_RX_CTRL_OWNED_BY_HOST 0x02
-#define MWL8K_RX_CTRL_AMPDU 0x01
struct mwl8k_rx_desc {
__le16 pkt_len;
@@ -979,7 +884,7 @@ static inline void mwl8k_save_beacon(struct mwl8k_priv *priv,
struct sk_buff *skb)
{
priv->capture_beacon = false;
- memset(priv->capture_bssid, 0, IEEE80211_ADDR_LEN);
+ memset(priv->capture_bssid, 0, ETH_ALEN);
/*
* Use GFP_ATOMIC as rxq_process is called from
@@ -1024,10 +929,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
skb_put(skb, le16_to_cpu(rx_desc->pkt_len));
- if (mwl8k_remove_dma_header(skb)) {
- dev_kfree_skb(skb);
- continue;
- }
+ mwl8k_remove_dma_header(skb);
wh = (struct ieee80211_hdr *)skb->data;
@@ -1049,7 +951,8 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
status.flag = 0;
status.band = IEEE80211_BAND_2GHZ;
status.freq = ieee80211_channel_to_frequency(rx_desc->channel);
- ieee80211_rx_irqsafe(hw, skb, &status);
+ memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
+ ieee80211_rx_irqsafe(hw, skb);
processed++;
}
@@ -1072,8 +975,6 @@ enum {
/* Transmit packet ACK policy */
#define MWL8K_TXD_ACK_POLICY_NORMAL 0
-#define MWL8K_TXD_ACK_POLICY_NONE 1
-#define MWL8K_TXD_ACK_POLICY_NO_EXPLICIT 2
#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3
#define GET_TXQ(_ac) (\
@@ -1082,20 +983,11 @@ enum {
((_ac) == WME_AC_BK) ? MWL8K_WME_AC_BK : \
MWL8K_WME_AC_BE)
-#define MWL8K_TXD_STATUS_IDLE 0x00000000
-#define MWL8K_TXD_STATUS_USED 0x00000001
#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_BROADCAST_TX 0x00000010
-#define MWL8K_TXD_STATUS_FAILED_LINK_ERROR 0x00000020
-#define MWL8K_TXD_STATUS_FAILED_EXCEED_LIMIT 0x00000040
-#define MWL8K_TXD_STATUS_FAILED_AGING 0x00000080
-#define MWL8K_TXD_STATUS_HOST_CMD 0x40000000
#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000
-#define MWL8K_TXD_SOFTSTALE 0x80
-#define MWL8K_TXD_SOFTSTALE_MGMT_RETRY 0x01
struct mwl8k_tx_desc {
__le32 status;
@@ -1104,7 +996,7 @@ struct mwl8k_tx_desc {
__le16 qos_control;
__le32 pkt_phys_addr;
__le16 pkt_len;
- __u8 dest_MAC_addr[IEEE80211_ADDR_LEN];
+ __u8 dest_MAC_addr[ETH_ALEN];
__le32 next_tx_desc_phys_addr;
__le32 reserved;
__le16 rate_info;
@@ -1121,8 +1013,7 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
int size;
int i;
- memset(&txq->tx_stats, 0,
- sizeof(struct ieee80211_tx_queue_stats));
+ memset(&txq->tx_stats, 0, sizeof(struct ieee80211_tx_queue_stats));
txq->tx_stats.limit = MWL8K_TX_DESCS;
txq->tx_head = 0;
txq->tx_tail = 0;
@@ -1189,17 +1080,17 @@ struct mwl8k_txq_info {
};
static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
- struct mwl8k_txq_info txinfo[],
- u32 num_queues)
+ 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, num_queues * sizeof(struct mwl8k_txq_info));
+ memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info));
+
spin_lock_bh(&priv->tx_lock);
- for (count = 0; count < num_queues; count++) {
+ for (count = 0; count < MWL8K_TX_QUEUES; count++) {
txq = priv->txq + count;
txinfo[count].len = txq->tx_stats.len;
txinfo[count].head = txq->tx_head;
@@ -1222,34 +1113,34 @@ static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
return ndescs;
}
-static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms)
+/*
+ * Must be called with hw->fw_mutex held and tx queues stopped.
+ */
+static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
{
- u32 count = 0;
- unsigned long timeout = 0;
struct mwl8k_priv *priv = hw->priv;
DECLARE_COMPLETION_ONSTACK(cmd_wait);
+ u32 count;
+ unsigned long timeout;
might_sleep();
- if (priv->tx_wait != NULL)
- printk(KERN_ERR "WARNING Previous TXWaitEmpty instance\n");
-
spin_lock_bh(&priv->tx_lock);
count = mwl8k_txq_busy(priv);
if (count) {
priv->tx_wait = &cmd_wait;
- if (priv->radio_state)
+ if (priv->radio_on)
mwl8k_tx_start(priv);
}
spin_unlock_bh(&priv->tx_lock);
if (count) {
- struct mwl8k_txq_info txinfo[4];
+ struct mwl8k_txq_info txinfo[MWL8K_TX_QUEUES];
int index;
int newcount;
timeout = wait_for_completion_timeout(&cmd_wait,
- msecs_to_jiffies(delay_ms));
+ msecs_to_jiffies(5000));
if (timeout)
return 0;
@@ -1258,11 +1149,11 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms)
newcount = mwl8k_txq_busy(priv);
spin_unlock_bh(&priv->tx_lock);
- printk(KERN_ERR "%s(%u) TIMEDOUT:%ums Pend:%u-->%u\n",
- __func__, __LINE__, delay_ms, count, newcount);
+ printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n",
+ __func__, __LINE__, count, newcount);
- mwl8k_scan_tx_ring(priv, txinfo, 4);
- for (index = 0 ; index < 4; index++)
+ mwl8k_scan_tx_ring(priv, txinfo);
+ 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,
@@ -1272,18 +1163,17 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms)
txinfo[index].fw_owned,
txinfo[index].drv_owned,
txinfo[index].unused);
+
return -ETIMEDOUT;
}
return 0;
}
-#define MWL8K_TXD_OK (MWL8K_TXD_STATUS_OK | \
- MWL8K_TXD_STATUS_OK_RETRY | \
- MWL8K_TXD_STATUS_OK_MORE_RETRY)
-#define MWL8K_TXD_SUCCESS(stat) ((stat) & MWL8K_TXD_OK)
-#define MWL8K_TXD_FAIL_RETRY(stat) \
- ((stat) & (MWL8K_TXD_STATUS_FAILED_EXCEED_LIMIT))
+#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)
{
@@ -1293,15 +1183,13 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
while (txq->tx_stats.len > 0) {
int tx;
- int rc;
struct mwl8k_tx_desc *tx_desc;
unsigned long addr;
- size_t size;
+ int size;
struct sk_buff *skb;
struct ieee80211_tx_info *info;
u32 status;
- rc = 0;
tx = txq->tx_head;
tx_desc = txq->tx_desc_area + tx;
@@ -1320,56 +1208,30 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
priv->pending_tx_pkts--;
addr = le32_to_cpu(tx_desc->pkt_phys_addr);
- size = (u32)(le16_to_cpu(tx_desc->pkt_len));
- skb = txq->tx_skb[tx].skb;
- txq->tx_skb[tx].skb = NULL;
+ size = le16_to_cpu(tx_desc->pkt_len);
+ skb = txq->tx_skb[tx];
+ txq->tx_skb[tx] = NULL;
BUG_ON(skb == NULL);
pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE);
- rc = mwl8k_remove_dma_header(skb);
+ mwl8k_remove_dma_header(skb);
/* Mark descriptor as unused */
tx_desc->pkt_phys_addr = 0;
tx_desc->pkt_len = 0;
- if (txq->tx_skb[tx].clone) {
- /* Replace with original skb
- * before returning to stack
- * as buffer has been cloned
- */
- dev_kfree_skb(skb);
- skb = txq->tx_skb[tx].clone;
- txq->tx_skb[tx].clone = NULL;
- }
-
- if (rc) {
- /* Something has gone wrong here.
- * Failed to remove DMA header.
- * Print error message and drop packet.
- */
- printk(KERN_ERR "%s: Error removing DMA header from "
- "tx skb 0x%p.\n", priv->name, skb);
-
- dev_kfree_skb(skb);
- continue;
- }
-
info = IEEE80211_SKB_CB(skb);
ieee80211_tx_info_clear_status(info);
-
- /* Convert firmware status stuff into tx_status */
- if (MWL8K_TXD_SUCCESS(status)) {
- /* Transmit OK */
+ if (MWL8K_TXD_SUCCESS(status))
info->flags |= IEEE80211_TX_STAT_ACK;
- }
ieee80211_tx_status_irqsafe(hw, skb);
- wake = !priv->inconfig && priv->radio_state;
+ wake = 1;
}
- if (wake)
+ if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex))
ieee80211_wake_queue(hw, index);
}
@@ -1395,56 +1257,60 @@ 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;
- struct mwl8k_dma_data *tr;
- struct mwl8k_vif *mwl8k_vif;
- struct sk_buff *org_skb = skb;
dma_addr_t dma;
- u16 qos = 0;
- bool qosframe = false, ampduframe = false;
- bool mcframe = false, eapolframe = false;
- bool amsduframe = false;
- __le16 fc;
-
- txq = priv->txq + index;
- tx = txq->tx_desc_area + txq->tx_tail;
+ u32 txstatus;
+ u8 txdatarate;
+ u16 qos;
- BUG_ON(txq->tx_skb[txq->tx_tail].skb != NULL);
+ 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;
- /*
- * Append HW DMA header to start of packet. Drop packet if
- * there is not enough space or a failure to unshare/unclone
- * the skb.
- */
- skb = mwl8k_add_dma_header(skb);
-
- if (skb == NULL) {
- printk(KERN_DEBUG "%s: failed to prepend HW DMA "
- "header, dropping TX frame.\n", priv->name);
- dev_kfree_skb(org_skb);
- return NETDEV_TX_OK;
- }
+ 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);
- tr = (struct mwl8k_dma_data *)skb->data;
- wh = &tr->wh;
- fc = wh->frame_control;
- qosframe = ieee80211_is_data_qos(fc);
- mcframe = is_multicast_ether_addr(wh->addr1);
- ampduframe = !!(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
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;
}
- if (qosframe)
- qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh)));
+ /* 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);
@@ -1452,99 +1318,40 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
if (pci_dma_mapping_error(priv->pdev, dma)) {
printk(KERN_DEBUG "%s: failed to dma map skb, "
"dropping TX frame.\n", priv->name);
-
- if (org_skb != NULL)
- dev_kfree_skb(org_skb);
- if (skb != NULL)
- dev_kfree_skb(skb);
+ dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
- /* Set desc header, cpu bit order. */
- tx->status = 0;
- tx->data_rate = 0;
- tx->tx_priority = index;
- tx->qos_control = 0;
- tx->rate_info = 0;
- tx->peer_id = mwl8k_vif->peer_id;
-
- amsduframe = !!(qos & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT);
-
- /* Setup firmware control bit fields for each frame type. */
- if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) {
- tx->data_rate = 0;
- qos = mwl8k_qos_setbit_eosp(qos);
- /* Set Queue size to unspecified */
- qos = mwl8k_qos_setbit_qlen(qos, 0xff);
- } else if (ieee80211_is_data(fc)) {
- tx->data_rate = 1;
- if (mcframe)
- tx->status |= MWL8K_TXD_STATUS_MULTICAST_TX;
+ spin_lock_bh(&priv->tx_lock);
- /*
- * Tell firmware to not send EAPOL pkts in an
- * aggregate. Verify against mac80211 tx path. If
- * stack turns off AMPDU for an EAPOL frame this
- * check will be removed.
- */
- if (eapolframe) {
- qos = mwl8k_qos_setbit_ack(qos,
- MWL8K_TXD_ACK_POLICY_NORMAL);
- } else {
- /* Send pkt in an aggregate if AMPDU frame. */
- if (ampduframe)
- qos = mwl8k_qos_setbit_ack(qos,
- MWL8K_TXD_ACK_POLICY_BLOCKACK);
- else
- qos = mwl8k_qos_setbit_ack(qos,
- MWL8K_TXD_ACK_POLICY_NORMAL);
+ txq = priv->txq + index;
- if (amsduframe)
- qos = mwl8k_qos_setbit_amsdu(qos);
- }
- }
+ BUG_ON(txq->tx_skb[txq->tx_tail] != NULL);
+ txq->tx_skb[txq->tx_tail] = skb;
- /* Convert to little endian */
+ tx = txq->tx_desc_area + txq->tx_tail;
+ tx->data_rate = txdatarate;
+ tx->tx_priority = index;
tx->qos_control = cpu_to_le16(qos);
- tx->status = cpu_to_le32(tx->status);
tx->pkt_phys_addr = cpu_to_le32(dma);
tx->pkt_len = cpu_to_le16(skb->len);
-
- txq->tx_skb[txq->tx_tail].skb = skb;
- txq->tx_skb[txq->tx_tail].clone =
- skb == org_skb ? NULL : org_skb;
-
- spin_lock_bh(&priv->tx_lock);
-
- tx->status = cpu_to_le32(MWL8K_TXD_STATUS_OK |
- MWL8K_TXD_STATUS_FW_OWNED);
+ tx->rate_info = 0;
+ tx->peer_id = mwl8k_vif->peer_id;
wmb();
+ tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus);
+
+ txq->tx_stats.count++;
txq->tx_stats.len++;
priv->pending_tx_pkts++;
- txq->tx_stats.count++;
- txq->tx_tail++;
+ txq->tx_tail++;
if (txq->tx_tail == MWL8K_TX_DESCS)
txq->tx_tail = 0;
+
if (txq->tx_head == txq->tx_tail)
ieee80211_stop_queue(hw, index);
- if (priv->inconfig) {
- /*
- * Silently queue packet when we are in the middle of
- * a config cycle. Notify firmware only if we are
- * waiting for TXQs to empty. If a packet is sent
- * before .config() is complete, perhaps it is better
- * to drop the packet, as the channel is being changed
- * and the packet will end up on the wrong channel.
- */
- printk(KERN_ERR "%s(): WARNING TX activity while "
- "in config\n", __func__);
-
- if (priv->tx_wait != NULL)
- mwl8k_tx_start(priv);
- } else
- mwl8k_tx_start(priv);
+ mwl8k_tx_start(priv);
spin_unlock_bh(&priv->tx_lock);
@@ -1553,6 +1360,60 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
/*
+ * 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.
*/
@@ -1567,7 +1428,6 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
dma_addr_t dma_addr;
unsigned int dma_size;
int rc;
- u16 __iomem *result;
unsigned long timeout = 0;
u8 buf[32];
@@ -1578,41 +1438,43 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
if (pci_dma_mapping_error(priv->pdev, dma_addr))
return -ENOMEM;
- if (priv->hostcmd_wait != NULL)
- printk(KERN_ERR "WARNING host command in progress\n");
+ rc = mwl8k_fw_lock(hw);
+ if (rc) {
+ pci_unmap_single(priv->pdev, dma_addr, dma_size,
+ PCI_DMA_BIDIRECTIONAL);
+ return rc;
+ }
- spin_lock_irq(&priv->fw_lock);
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);
- spin_unlock_irq(&priv->fw_lock);
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);
- result = &cmd->result;
if (!timeout) {
- spin_lock_irq(&priv->fw_lock);
- priv->hostcmd_wait = NULL;
- spin_unlock_irq(&priv->fw_lock);
printk(KERN_ERR "%s: Command %s timeout after %u ms\n",
priv->name,
mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
MWL8K_CMD_TIMEOUT_MS);
rc = -ETIMEDOUT;
} else {
- rc = *result ? -EINVAL : 0;
+ rc = cmd->result ? -EINVAL : 0;
if (rc)
printk(KERN_ERR "%s: Command %s error 0x%x\n",
priv->name,
mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
- *result);
+ le16_to_cpu(cmd->result));
}
return rc;
@@ -1626,7 +1488,7 @@ struct mwl8k_cmd_get_hw_spec {
__u8 hw_rev;
__u8 host_interface;
__le16 num_mcaddrs;
- __u8 perm_addr[IEEE80211_ADDR_LEN];
+ __u8 perm_addr[ETH_ALEN];
__le16 region_code;
__le32 fw_rev;
__le32 ps_cookie;
@@ -1670,7 +1532,6 @@ static int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw)
priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
priv->fw_rev = le32_to_cpu(cmd->fw_rev);
priv->hw_rev = cmd->hw_rev;
- priv->region_code = le16_to_cpu(cmd->region_code);
}
kfree(cmd);
@@ -1684,41 +1545,44 @@ struct mwl8k_cmd_mac_multicast_adr {
struct mwl8k_cmd_pkt header;
__le16 action;
__le16 numaddr;
- __u8 addr[1][IEEE80211_ADDR_LEN];
+ __u8 addr[0][ETH_ALEN];
};
#define MWL8K_ENABLE_RX_MULTICAST 0x000F
-static int mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
- int mc_count,
- struct dev_addr_list *mclist)
+
+static struct mwl8k_cmd_pkt *
+__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
+ int mc_count, struct dev_addr_list *mclist)
{
+ struct mwl8k_priv *priv = hw->priv;
struct mwl8k_cmd_mac_multicast_adr *cmd;
- int index = 0;
- int rc;
- int size = sizeof(*cmd) + ((mc_count - 1) * IEEE80211_ADDR_LEN);
- cmd = kzalloc(size, GFP_KERNEL);
+ int size;
+ int i;
+
+ if (mc_count > priv->num_mcaddrs)
+ mc_count = priv->num_mcaddrs;
+
+ size = sizeof(*cmd) + mc_count * ETH_ALEN;
+
+ cmd = kzalloc(size, GFP_ATOMIC);
if (cmd == NULL)
- return -ENOMEM;
+ 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_MULTICAST);
cmd->numaddr = cpu_to_le16(mc_count);
- while ((index < mc_count) && mclist) {
- if (mclist->da_addrlen != IEEE80211_ADDR_LEN) {
- rc = -EINVAL;
- goto mwl8k_cmd_mac_multicast_adr_exit;
+
+ for (i = 0; i < mc_count && mclist; i++) {
+ if (mclist->da_addrlen != ETH_ALEN) {
+ kfree(cmd);
+ return NULL;
}
- memcpy(cmd->addr[index], mclist->da_addr, IEEE80211_ADDR_LEN);
- index++;
+ memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN);
mclist = mclist->next;
}
- rc = mwl8k_post_cmd(hw, &cmd->header);
-
-mwl8k_cmd_mac_multicast_adr_exit:
- kfree(cmd);
- return rc;
+ return &cmd->header;
}
/*
@@ -1775,18 +1639,16 @@ struct mwl8k_cmd_802_11_radio_control {
__le16 radio_on;
} __attribute__((packed));
-static int mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, int enable)
+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 & MWL8K_RADIO_ENABLE) == priv->radio_state) &&
- !(enable & MWL8K_RADIO_FORCE))
+ if (enable == priv->radio_on && !force)
return 0;
- enable &= MWL8K_RADIO_ENABLE;
-
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (cmd == NULL)
return -ENOMEM;
@@ -1794,18 +1656,28 @@ static int mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, int enable)
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_preamble);
+ 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_state = enable;
+ 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)
{
@@ -1815,12 +1687,9 @@ mwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble)
return -EINVAL;
priv = hw->priv;
- priv->radio_preamble = (short_preamble ?
- MWL8K_RADIO_SHORT_PREAMBLE :
- MWL8K_RADIO_LONG_PREAMBLE);
+ priv->radio_short_preamble = short_preamble;
- return mwl8k_cmd_802_11_radio_control(hw,
- MWL8K_RADIO_ENABLE | MWL8K_RADIO_FORCE);
+ return mwl8k_cmd_802_11_radio_control(hw, 1, 1);
}
/*
@@ -1888,11 +1757,11 @@ static int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw)
struct mwl8k_cmd_set_post_scan {
struct mwl8k_cmd_pkt header;
__le32 isibss;
- __u8 bssid[IEEE80211_ADDR_LEN];
+ __u8 bssid[ETH_ALEN];
} __attribute__((packed));
static int
-mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 mac[IEEE80211_ADDR_LEN])
+mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac)
{
struct mwl8k_cmd_set_post_scan *cmd;
int rc;
@@ -1904,7 +1773,7 @@ mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 mac[IEEE80211_ADDR_LEN])
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, IEEE80211_ADDR_LEN);
+ memcpy(cmd->bssid, mac, ETH_ALEN);
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
@@ -1956,7 +1825,7 @@ struct mwl8k_cmd_set_slot {
__u8 short_slot;
} __attribute__((packed));
-static int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, int slot_time)
+static int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time)
{
struct mwl8k_cmd_set_slot *cmd;
int rc;
@@ -1968,7 +1837,7 @@ static int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, int slot_time)
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 = slot_time == MWL8K_SHORT_SLOTTIME ? 1 : 0;
+ cmd->short_slot = short_slot_time;
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
@@ -2026,7 +1895,7 @@ static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable)
cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = enable ? cpu_to_le32((u32)MWL8K_CMD_SET) : 0;
+ cmd->action = cpu_to_le32(!!enable);
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
@@ -2035,7 +1904,7 @@ static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable)
}
/*
- * CMD_SET_RATE_ADAPT_MODE.
+ * CMD_SET_RATEADAPT_MODE.
*/
struct mwl8k_cmd_set_rate_adapt_mode {
struct mwl8k_cmd_pkt header;
@@ -2083,13 +1952,13 @@ static int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable)
cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
- cmd->action = enable ? cpu_to_le16(MWL8K_CMD_SET) : 0;
+ cmd->action = cpu_to_le16(!!enable);
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
if (!rc)
- priv->wmm_mode = enable;
+ priv->wmm_enabled = enable;
return rc;
}
@@ -2104,7 +1973,7 @@ struct mwl8k_cmd_rts_threshold {
} __attribute__((packed));
static int mwl8k_rts_threshold(struct ieee80211_hw *hw,
- u16 action, u16 *threshold)
+ u16 action, u16 threshold)
{
struct mwl8k_cmd_rts_threshold *cmd;
int rc;
@@ -2116,7 +1985,7 @@ static int mwl8k_rts_threshold(struct ieee80211_hw *hw,
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);
+ cmd->threshold = cpu_to_le16(threshold);
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
@@ -2149,7 +2018,6 @@ struct mwl8k_cmd_set_edca_params {
__u8 txq;
} __attribute__((packed));
-#define MWL8K_GET_EDCA_ALL 0
#define MWL8K_SET_EDCA_CW 0x01
#define MWL8K_SET_EDCA_TXOP 0x02
#define MWL8K_SET_EDCA_AIFS 0x04
@@ -2164,22 +2032,18 @@ mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum,
__u8 aifs, __u16 txop)
{
struct mwl8k_cmd_set_edca_params *cmd;
- u32 log_cw_min, log_cw_max;
int rc;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (cmd == NULL)
return -ENOMEM;
- log_cw_min = ilog2(cw_min+1);
- log_cw_max = ilog2(cw_max+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);
- cmd->log_cw_max = (u8)log_cw_max;
- cmd->log_cw_min = (u8)log_cw_min;
+ cmd->log_cw_max = (u8)ilog2(cw_max + 1);
+ cmd->log_cw_min = (u8)ilog2(cw_min + 1);
cmd->aifs = aifs;
cmd->txq = qnum;
@@ -2220,11 +2084,7 @@ static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame,
cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- if (dtim)
- cmd->sleep_interval = cpu_to_le32(dtim);
- else
- cmd->sleep_interval = cpu_to_le32(1);
+ cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1);
hdrlen = ieee80211_hdrlen(payload->frame_control);
@@ -2236,8 +2096,8 @@ static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame,
"sent to firmware. Sz=%u MAX=%u\n", __func__,
payload_len, MWL8K_FJ_BEACON_MAXLEN);
- payload_len = payload_len > MWL8K_FJ_BEACON_MAXLEN ?
- MWL8K_FJ_BEACON_MAXLEN : payload_len;
+ 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);
@@ -2257,7 +2117,7 @@ struct mwl8k_cmd_update_sta_db {
__le32 action;
/* Peer MAC address */
- __u8 peer_addr[IEEE80211_ADDR_LEN];
+ __u8 peer_addr[ETH_ALEN];
__le32 reserved;
@@ -2273,7 +2133,6 @@ static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
struct mwl8k_cmd_update_sta_db *cmd;
struct peer_capability_info *peer_info;
struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
- DECLARE_MAC_BUF(mac);
int rc;
__u8 count, *rates;
@@ -2286,7 +2145,7 @@ static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
cmd->action = cpu_to_le32(action);
peer_info = &cmd->peer_info;
- memcpy(cmd->peer_addr, mv_vif->bssid, IEEE80211_ADDR_LEN);
+ memcpy(cmd->peer_addr, mv_vif->bssid, ETH_ALEN);
switch (action) {
case MWL8K_STA_DB_ADD_ENTRY:
@@ -2298,7 +2157,7 @@ static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
peer_info->amsdu_enabled = 0;
rates = peer_info->legacy_rates;
- for (count = 0 ; count < mv_vif->legacy_nrates; count++)
+ for (count = 0; count < mv_vif->legacy_nrates; count++)
rates[count] = bitrates[count].hw_value;
rc = mwl8k_post_cmd(hw, &cmd->header);
@@ -2323,25 +2182,19 @@ static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
/*
* CMD_SET_AID.
*/
-#define IEEE80211_OPMODE_DISABLED 0x00
-#define IEEE80211_OPMODE_NON_MEMBER_PROT_MODE 0x01
-#define IEEE80211_OPMODE_ONE_20MHZ_STA_PROT_MODE 0x02
-#define IEEE80211_OPMODE_HTMIXED_PROT_MODE 0x03
-
#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
-#define MWL8K_FRAME_PROT_MASK 0x07
struct mwl8k_cmd_update_set_aid {
struct mwl8k_cmd_pkt header;
__le16 aid;
/* AP's MAC address (BSSID) */
- __u8 bssid[IEEE80211_ADDR_LEN];
+ __u8 bssid[ETH_ALEN];
__le16 protection_mode;
__u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY];
} __attribute__((packed));
@@ -2365,9 +2218,7 @@ static int mwl8k_cmd_set_aid(struct ieee80211_hw *hw,
cmd->header.length = cpu_to_le16(sizeof(*cmd));
cmd->aid = cpu_to_le16(info->aid);
- memcpy(cmd->bssid, mv_vif->bssid, IEEE80211_ADDR_LEN);
-
- prot_mode = MWL8K_FRAME_PROT_DISABLED;
+ memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN);
if (info->use_cts_prot) {
prot_mode = MWL8K_FRAME_PROT_11G;
@@ -2385,7 +2236,6 @@ static int mwl8k_cmd_set_aid(struct ieee80211_hw *hw,
break;
}
}
-
cmd->protection_mode = cpu_to_le16(prot_mode);
for (count = 0; count < mv_vif->legacy_nrates; count++)
@@ -2439,10 +2289,6 @@ static int mwl8k_update_rateset(struct ieee80211_hw *hw,
*/
#define MWL8K_RATE_TABLE_SIZE 8
#define MWL8K_UCAST_RATE 0
-#define MWL8K_MCAST_RATE 1
-#define MWL8K_BCAST_RATE 2
-
-#define MWL8K_USE_FIXED_RATE 0x0001
#define MWL8K_USE_AUTO_RATE 0x0002
struct mwl8k_rate_entry {
@@ -2535,7 +2381,6 @@ static irqreturn_t mwl8k_interrupt(int irq, void *dev_id)
status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- status &= priv->int_mask;
if (!status)
return IRQ_NONE;
@@ -2548,17 +2393,14 @@ static irqreturn_t mwl8k_interrupt(int irq, void *dev_id)
}
if (status & MWL8K_A2H_INT_OPC_DONE) {
- if (priv->hostcmd_wait != NULL) {
+ if (priv->hostcmd_wait != NULL)
complete(priv->hostcmd_wait);
- priv->hostcmd_wait = NULL;
- }
}
if (status & MWL8K_A2H_INT_QUEUE_EMPTY) {
- if (!priv->inconfig &&
- priv->radio_state &&
- mwl8k_txq_busy(priv))
- mwl8k_tx_start(priv);
+ if (!mutex_is_locked(&priv->fw_mutex) &&
+ priv->radio_on && mwl8k_txq_busy(priv))
+ mwl8k_tx_start(priv);
}
return IRQ_HANDLED;
@@ -2586,365 +2428,68 @@ static int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
return rc;
}
-struct mwl8k_work_struct {
- /* Initialized by mwl8k_queue_work(). */
- struct work_struct wt;
-
- /* Required field passed in to mwl8k_queue_work(). */
- struct ieee80211_hw *hw;
-
- /* Required field passed in to mwl8k_queue_work(). */
- int (*wfunc)(struct work_struct *w);
-
- /* Initialized by mwl8k_queue_work(). */
- struct completion *cmd_wait;
-
- /* Result code. */
- int rc;
-
- /*
- * Optional field. Refer to explanation of MWL8K_WQ_XXX_XXX
- * flags for explanation. Defaults to MWL8K_WQ_DEFAULT_OPTIONS.
- */
- u32 options;
-
- /* Optional field. Defaults to MWL8K_CONFIG_TIMEOUT_MS. */
- unsigned long timeout_ms;
-
- /* Optional field. Defaults to MWL8K_WQ_TXWAIT_ATTEMPTS. */
- u32 txwait_attempts;
-
- /* Optional field. Defaults to MWL8K_TXWAIT_MS. */
- u32 tx_timeout_ms;
- u32 step;
-};
-
-/* Flags controlling behavior of config queue requests */
-
-/* Caller spins while waiting for completion. */
-#define MWL8K_WQ_SPIN 0x00000001
-
-/* Wait for TX queues to empty before proceeding with configuration. */
-#define MWL8K_WQ_TX_WAIT_EMPTY 0x00000002
-
-/* Queue request and return immediately. */
-#define MWL8K_WQ_POST_REQUEST 0x00000004
-
-/*
- * Caller sleeps and waits for task complete notification.
- * Do not use in atomic context.
- */
-#define MWL8K_WQ_SLEEP 0x00000008
-
-/* Free work struct when task is done. */
-#define MWL8K_WQ_FREE_WORKSTRUCT 0x00000010
-
-/*
- * Config request is queued and returns to caller imediately. Use
- * this in atomic context. Work struct is freed by mwl8k_queue_work()
- * when this flag is set.
- */
-#define MWL8K_WQ_QUEUE_ONLY (MWL8K_WQ_POST_REQUEST | \
- MWL8K_WQ_FREE_WORKSTRUCT)
-
-/* Default work queue behavior is to sleep and wait for tx completion. */
-#define MWL8K_WQ_DEFAULT_OPTIONS (MWL8K_WQ_SLEEP | MWL8K_WQ_TX_WAIT_EMPTY)
-
-/*
- * Default config request timeout. Add adjustments to make sure the
- * config thread waits long enough for both tx wait and cmd wait before
- * timing out.
- */
-
-/* Time to wait for all TXQs to drain. TX Doorbell is pressed each time. */
-#define MWL8K_TXWAIT_TIMEOUT_MS 1000
-
-/* Default number of TX wait attempts. */
-#define MWL8K_WQ_TXWAIT_ATTEMPTS 4
-
-/* Total time to wait for TXQ to drain. */
-#define MWL8K_TXWAIT_MS (MWL8K_TXWAIT_TIMEOUT_MS * \
- MWL8K_WQ_TXWAIT_ATTEMPTS)
-
-/* Scheduling slop. */
-#define MWL8K_OS_SCHEDULE_OVERHEAD_MS 200
-
-#define MWL8K_CONFIG_TIMEOUT_MS (MWL8K_CMD_TIMEOUT_MS + \
- MWL8K_TXWAIT_MS + \
- MWL8K_OS_SCHEDULE_OVERHEAD_MS)
-
-static void mwl8k_config_thread(struct work_struct *wt)
-{
- struct mwl8k_work_struct *worker = (struct mwl8k_work_struct *)wt;
- struct ieee80211_hw *hw = worker->hw;
- struct mwl8k_priv *priv = hw->priv;
- int rc = 0;
-
- spin_lock_irq(&priv->tx_lock);
- priv->inconfig = true;
- spin_unlock_irq(&priv->tx_lock);
-
- ieee80211_stop_queues(hw);
-
- /*
- * Wait for host queues to drain before doing PHY
- * reconfiguration. This avoids interrupting any in-flight
- * DMA transfers to the hardware.
- */
- if (worker->options & MWL8K_WQ_TX_WAIT_EMPTY) {
- u32 timeout;
- u32 time_remaining;
- u32 iter;
- u32 tx_wait_attempts = worker->txwait_attempts;
-
- time_remaining = worker->tx_timeout_ms;
- if (!tx_wait_attempts)
- tx_wait_attempts = 1;
-
- timeout = worker->tx_timeout_ms/tx_wait_attempts;
- if (!timeout)
- timeout = 1;
-
- iter = tx_wait_attempts;
- do {
- int wait_time;
-
- if (time_remaining > timeout) {
- time_remaining -= timeout;
- wait_time = timeout;
- } else
- wait_time = time_remaining;
-
- if (!wait_time)
- wait_time = 1;
-
- rc = mwl8k_tx_wait_empty(hw, wait_time);
- if (rc)
- printk(KERN_ERR "%s() txwait timeout=%ums "
- "Retry:%u/%u\n", __func__, timeout,
- tx_wait_attempts - iter + 1,
- tx_wait_attempts);
-
- } while (rc && --iter);
-
- rc = iter ? 0 : -ETIMEDOUT;
- }
- if (!rc)
- rc = worker->wfunc(wt);
-
- spin_lock_irq(&priv->tx_lock);
- priv->inconfig = false;
- if (priv->pending_tx_pkts && priv->radio_state)
- mwl8k_tx_start(priv);
- spin_unlock_irq(&priv->tx_lock);
- ieee80211_wake_queues(hw);
-
- worker->rc = rc;
- if (worker->options & MWL8K_WQ_SLEEP)
- complete(worker->cmd_wait);
-
- if (worker->options & MWL8K_WQ_FREE_WORKSTRUCT)
- kfree(wt);
-}
-
-static int mwl8k_queue_work(struct ieee80211_hw *hw,
- struct mwl8k_work_struct *worker,
- struct workqueue_struct *wqueue,
- int (*wfunc)(struct work_struct *w))
-{
- unsigned long timeout = 0;
- int rc = 0;
-
- DECLARE_COMPLETION_ONSTACK(cmd_wait);
-
- if (!worker->timeout_ms)
- worker->timeout_ms = MWL8K_CONFIG_TIMEOUT_MS;
-
- if (!worker->options)
- worker->options = MWL8K_WQ_DEFAULT_OPTIONS;
-
- if (!worker->txwait_attempts)
- worker->txwait_attempts = MWL8K_WQ_TXWAIT_ATTEMPTS;
-
- if (!worker->tx_timeout_ms)
- worker->tx_timeout_ms = MWL8K_TXWAIT_MS;
-
- worker->hw = hw;
- worker->cmd_wait = &cmd_wait;
- worker->rc = 1;
- worker->wfunc = wfunc;
-
- INIT_WORK(&worker->wt, mwl8k_config_thread);
- queue_work(wqueue, &worker->wt);
-
- if (worker->options & MWL8K_WQ_POST_REQUEST) {
- rc = 0;
- } else {
- if (worker->options & MWL8K_WQ_SPIN) {
- timeout = worker->timeout_ms;
- while (timeout && (worker->rc > 0)) {
- mdelay(1);
- timeout--;
- }
- } else if (worker->options & MWL8K_WQ_SLEEP)
- timeout = wait_for_completion_timeout(&cmd_wait,
- msecs_to_jiffies(worker->timeout_ms));
-
- if (timeout)
- rc = worker->rc;
- else {
- cancel_work_sync(&worker->wt);
- rc = -ETIMEDOUT;
- }
- }
-
- return rc;
-}
-
-struct mwl8k_start_worker {
- struct mwl8k_work_struct header;
-};
-
-static int mwl8k_start_wt(struct work_struct *wt)
-{
- struct mwl8k_start_worker *worker = (struct mwl8k_start_worker *)wt;
- struct ieee80211_hw *hw = worker->header.hw;
- struct mwl8k_priv *priv = hw->priv;
- int rc = 0;
-
- if (priv->vif != NULL) {
- rc = -EIO;
- goto mwl8k_start_exit;
- }
-
- /* Turn on radio */
- if (mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_ENABLE)) {
- rc = -EIO;
- goto mwl8k_start_exit;
- }
-
- /* Purge TX/RX HW queues */
- if (mwl8k_cmd_set_pre_scan(hw)) {
- rc = -EIO;
- goto mwl8k_start_exit;
- }
-
- if (mwl8k_cmd_set_post_scan(hw, "\x00\x00\x00\x00\x00\x00")) {
- rc = -EIO;
- goto mwl8k_start_exit;
- }
-
- /* Enable firmware rate adaptation */
- if (mwl8k_cmd_setrateadaptmode(hw, 0)) {
- rc = -EIO;
- goto mwl8k_start_exit;
- }
-
- /* Disable WMM. WMM gets enabled when stack sends WMM parms */
- if (mwl8k_set_wmm(hw, MWL8K_WMM_DISABLE)) {
- rc = -EIO;
- goto mwl8k_start_exit;
- }
-
- /* Disable sniffer mode */
- if (mwl8k_enable_sniffer(hw, 0))
- rc = -EIO;
-
-mwl8k_start_exit:
- return rc;
-}
-
static int mwl8k_start(struct ieee80211_hw *hw)
{
- struct mwl8k_start_worker *worker;
struct mwl8k_priv *priv = hw->priv;
int rc;
- /* Enable tx reclaim tasklet */
- tasklet_enable(&priv->tx_reclaim_task);
-
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",
priv->name);
- rc = -EIO;
- goto mwl8k_start_disable_tasklet;
+ return -EIO;
}
- /* Enable interrupts */
- iowrite32(priv->int_mask, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
-
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL) {
- rc = -ENOMEM;
- goto mwl8k_start_disable_irq;
- }
+ /* Enable tx reclaim tasklet */
+ tasklet_enable(&priv->tx_reclaim_task);
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq, mwl8k_start_wt);
- kfree(worker);
- if (!rc)
- return rc;
+ /* Enable interrupts */
+ iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- if (rc == -ETIMEDOUT)
- printk(KERN_ERR "%s() timed out\n", __func__);
+ rc = mwl8k_fw_lock(hw);
+ if (!rc) {
+ rc = mwl8k_cmd_802_11_radio_enable(hw);
- rc = -EIO;
+ if (!rc)
+ rc = mwl8k_cmd_set_pre_scan(hw);
-mwl8k_start_disable_irq:
- spin_lock_irq(&priv->tx_lock);
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- spin_unlock_irq(&priv->tx_lock);
- free_irq(priv->pdev->irq, hw);
+ if (!rc)
+ rc = mwl8k_cmd_set_post_scan(hw,
+ "\x00\x00\x00\x00\x00\x00");
-mwl8k_start_disable_tasklet:
- tasklet_disable(&priv->tx_reclaim_task);
+ if (!rc)
+ rc = mwl8k_cmd_setrateadaptmode(hw, 0);
- return rc;
-}
+ if (!rc)
+ rc = mwl8k_set_wmm(hw, 0);
-struct mwl8k_stop_worker {
- struct mwl8k_work_struct header;
-};
+ if (!rc)
+ rc = mwl8k_enable_sniffer(hw, 0);
-static int mwl8k_stop_wt(struct work_struct *wt)
-{
- struct mwl8k_stop_worker *worker = (struct mwl8k_stop_worker *)wt;
- struct ieee80211_hw *hw = worker->header.hw;
- int rc;
+ mwl8k_fw_unlock(hw);
+ }
- rc = mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE);
+ 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)
{
- int rc;
- struct mwl8k_stop_worker *worker;
struct mwl8k_priv *priv = hw->priv;
int i;
- if (priv->vif != NULL)
- return;
+ mwl8k_cmd_802_11_radio_disable(hw);
ieee80211_stop_queues(hw);
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL)
- return;
-
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq, mwl8k_stop_wt);
- kfree(worker);
- if (rc == -ETIMEDOUT)
- printk(KERN_ERR "%s() timed out\n", __func__);
-
/* Disable interrupts */
- spin_lock_irq(&priv->tx_lock);
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- spin_unlock_irq(&priv->tx_lock);
free_irq(priv->pdev->irq, hw);
/* Stop finalize join worker */
@@ -2978,8 +2523,7 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
/*
* We only support managed interfaces for now.
*/
- if (conf->type != NL80211_IFTYPE_STATION &&
- conf->type != NL80211_IFTYPE_MONITOR)
+ if (conf->type != NL80211_IFTYPE_STATION)
return -EINVAL;
/* Clean out driver private area */
@@ -2987,13 +2531,13 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
/* Save the mac address */
- memcpy(mwl8k_vif->mac_addr, conf->mac_addr, IEEE80211_ADDR_LEN);
+ 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 ,
+ memcpy(mwl8k_vif->legacy_rates,
priv->rates, sizeof(mwl8k_vif->legacy_rates));
mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates);
@@ -3017,213 +2561,148 @@ static void mwl8k_remove_interface(struct ieee80211_hw *hw,
priv->vif = NULL;
}
-struct mwl8k_config_worker {
- struct mwl8k_work_struct header;
- u32 changed;
-};
-
-static int mwl8k_config_wt(struct work_struct *wt)
+static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
{
- struct mwl8k_config_worker *worker =
- (struct mwl8k_config_worker *)wt;
- struct ieee80211_hw *hw = worker->header.hw;
struct ieee80211_conf *conf = &hw->conf;
struct mwl8k_priv *priv = hw->priv;
- int rc = 0;
+ int rc;
- if (!conf->radio_enabled) {
- mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE);
+ if (conf->flags & IEEE80211_CONF_IDLE) {
+ mwl8k_cmd_802_11_radio_disable(hw);
priv->current_channel = NULL;
- rc = 0;
- goto mwl8k_config_exit;
+ return 0;
}
- if (mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_ENABLE)) {
- rc = -EINVAL;
- goto mwl8k_config_exit;
- }
+ rc = mwl8k_fw_lock(hw);
+ if (rc)
+ return rc;
- priv->current_channel = conf->channel;
+ rc = mwl8k_cmd_802_11_radio_enable(hw);
+ if (rc)
+ goto out;
- if (mwl8k_cmd_set_rf_channel(hw, conf->channel)) {
- rc = -EINVAL;
- goto mwl8k_config_exit;
- }
+ 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;
- if (mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level)) {
- rc = -EINVAL;
- goto mwl8k_config_exit;
- }
+ rc = mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level);
+ if (rc)
+ goto out;
if (mwl8k_cmd_mimo_config(hw, 0x7, 0x7))
rc = -EINVAL;
-mwl8k_config_exit:
+out:
+ mwl8k_fw_unlock(hw);
+
return rc;
}
-static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
+static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
{
- int rc = 0;
- struct mwl8k_config_worker *worker;
struct mwl8k_priv *priv = hw->priv;
-
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL)
- return -ENOMEM;
-
- worker->changed = changed;
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq, mwl8k_config_wt);
- if (rc == -ETIMEDOUT) {
- printk(KERN_ERR "%s() timed out.\n", __func__);
- rc = -EINVAL;
- }
-
- kfree(worker);
-
- /*
- * mac80211 will crash on anything other than -EINVAL on
- * error. Looks like wireless extensions which calls mac80211
- * may be the actual culprit...
- */
- return rc ? -EINVAL : 0;
-}
-
-struct mwl8k_bss_info_changed_worker {
- struct mwl8k_work_struct header;
- struct ieee80211_vif *vif;
- struct ieee80211_bss_conf *info;
- u32 changed;
-};
-
-static int mwl8k_bss_info_changed_wt(struct work_struct *wt)
-{
- struct mwl8k_bss_info_changed_worker *worker =
- (struct mwl8k_bss_info_changed_worker *)wt;
- struct ieee80211_hw *hw = worker->header.hw;
- struct ieee80211_vif *vif = worker->vif;
- struct ieee80211_bss_conf *info = worker->info;
- u32 changed;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
int rc;
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+ if (changed & BSS_CHANGED_BSSID)
+ memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN);
+
+ if ((changed & BSS_CHANGED_ASSOC) == 0)
+ return;
- changed = worker->changed;
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 */
- if (mwl8k_update_rateset(hw, vif))
- goto mwl8k_bss_info_changed_exit;
+ rc = mwl8k_update_rateset(hw, vif);
+ if (rc)
+ goto out;
/* Turn on rate adaptation */
- if (mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
- MWL8K_UCAST_RATE, NULL))
- goto mwl8k_bss_info_changed_exit;
+ rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
+ MWL8K_UCAST_RATE, NULL);
+ if (rc)
+ goto out;
/* Set radio preamble */
- if (mwl8k_set_radio_preamble(hw,
- info->use_short_preamble))
- goto mwl8k_bss_info_changed_exit;
+ rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble);
+ if (rc)
+ goto out;
/* Set slot time */
- if (mwl8k_cmd_set_slot(hw, info->use_short_slot ?
- MWL8K_SHORT_SLOTTIME : MWL8K_LONG_SLOTTIME))
- goto mwl8k_bss_info_changed_exit;
+ rc = mwl8k_cmd_set_slot(hw, info->use_short_slot);
+ if (rc)
+ goto out;
/* Update peer rate info */
- if (mwl8k_cmd_update_sta_db(hw, vif,
- MWL8K_STA_DB_MODIFY_ENTRY))
- goto mwl8k_bss_info_changed_exit;
+ rc = mwl8k_cmd_update_sta_db(hw, vif,
+ MWL8K_STA_DB_MODIFY_ENTRY);
+ if (rc)
+ goto out;
/* Set AID */
- if (mwl8k_cmd_set_aid(hw, vif))
- goto mwl8k_bss_info_changed_exit;
+ 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, IEEE80211_ADDR_LEN);
+ memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN);
priv->capture_beacon = true;
} else {
- mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY);
+ 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, IEEE80211_ADDR_LEN);
+ memset(mwl8k_vif->bssid, 0, ETH_ALEN);
}
-mwl8k_bss_info_changed_exit:
- rc = 0;
- return rc;
+out:
+ mwl8k_fw_unlock(hw);
}
-static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info,
- u32 changed)
+static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,
+ int mc_count, struct dev_addr_list *mclist)
{
- struct mwl8k_bss_info_changed_worker *worker;
- struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
- int rc;
-
- if (changed & BSS_CHANGED_BSSID)
- memcpy(mv_vif->bssid, info->bssid, IEEE80211_ADDR_LEN);
-
- if ((changed & BSS_CHANGED_ASSOC) == 0)
- return;
-
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL)
- return;
+ struct mwl8k_cmd_pkt *cmd;
- worker->vif = vif;
- worker->info = info;
- worker->changed = changed;
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq,
- mwl8k_bss_info_changed_wt);
- kfree(worker);
- if (rc == -ETIMEDOUT)
- printk(KERN_ERR "%s() timed out\n", __func__);
-}
-
-struct mwl8k_configure_filter_worker {
- struct mwl8k_work_struct header;
- unsigned int changed_flags;
- unsigned int *total_flags;
- int mc_count;
- struct dev_addr_list *mclist;
-};
+ cmd = __mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist);
-#define MWL8K_SUPPORTED_IF_FLAGS FIF_BCN_PRBRESP_PROMISC
+ return (unsigned long)cmd;
+}
-static int mwl8k_configure_filter_wt(struct work_struct *wt)
+static void mwl8k_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
{
- struct mwl8k_configure_filter_worker *worker =
- (struct mwl8k_configure_filter_worker *)wt;
+ struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_cmd_pkt *multicast_adr_cmd;
- struct ieee80211_hw *hw = worker->header.hw;
- unsigned int changed_flags = worker->changed_flags;
- unsigned int *total_flags = worker->total_flags;
- int mc_count = worker->mc_count;
- struct dev_addr_list *mclist = worker->mclist;
+ /* Clear unsupported feature flags */
+ *total_flags &= FIF_BCN_PRBRESP_PROMISC;
- struct mwl8k_priv *priv = hw->priv;
- int rc = 0;
+ if (mwl8k_fw_lock(hw))
+ return;
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
- rc = mwl8k_cmd_set_pre_scan(hw);
+ mwl8k_cmd_set_pre_scan(hw);
else {
u8 *bssid;
@@ -3231,151 +2710,45 @@ static int mwl8k_configure_filter_wt(struct work_struct *wt)
if (priv->vif != NULL)
bssid = MWL8K_VIF(priv->vif)->bssid;
- rc = mwl8k_cmd_set_post_scan(hw, bssid);
+ mwl8k_cmd_set_post_scan(hw, bssid);
}
}
- if (rc)
- goto mwl8k_configure_filter_exit;
- if (mc_count) {
- mc_count = mc_count < priv->num_mcaddrs ?
- mc_count : priv->num_mcaddrs;
- rc = mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist);
- if (rc)
- printk(KERN_ERR
- "%s()Error setting multicast addresses\n",
- __func__);
+ multicast_adr_cmd = (void *)(unsigned long)multicast;
+ if (multicast_adr_cmd != NULL) {
+ mwl8k_post_cmd(hw, multicast_adr_cmd);
+ kfree(multicast_adr_cmd);
}
-mwl8k_configure_filter_exit:
- return rc;
-}
-
-static void mwl8k_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags,
- int mc_count,
- struct dev_addr_list *mclist)
-{
-
- struct mwl8k_configure_filter_worker *worker;
- struct mwl8k_priv *priv = hw->priv;
-
- /* Clear unsupported feature flags */
- *total_flags &= MWL8K_SUPPORTED_IF_FLAGS;
-
- if (!(changed_flags & MWL8K_SUPPORTED_IF_FLAGS) && !mc_count)
- return;
-
- worker = kzalloc(sizeof(*worker), GFP_ATOMIC);
- if (worker == NULL)
- return;
-
- worker->header.options = MWL8K_WQ_QUEUE_ONLY | MWL8K_WQ_TX_WAIT_EMPTY;
- worker->changed_flags = changed_flags;
- worker->total_flags = total_flags;
- worker->mc_count = mc_count;
- worker->mclist = mclist;
-
- mwl8k_queue_work(hw, &worker->header, priv->config_wq,
- mwl8k_configure_filter_wt);
-}
-
-struct mwl8k_set_rts_threshold_worker {
- struct mwl8k_work_struct header;
- u32 value;
-};
-
-static int mwl8k_set_rts_threshold_wt(struct work_struct *wt)
-{
- struct mwl8k_set_rts_threshold_worker *worker =
- (struct mwl8k_set_rts_threshold_worker *)wt;
-
- struct ieee80211_hw *hw = worker->header.hw;
- u16 threshold = (u16)(worker->value);
- int rc;
-
- rc = mwl8k_rts_threshold(hw, MWL8K_CMD_SET, &threshold);
-
- return rc;
+ mwl8k_fw_unlock(hw);
}
static int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
- int rc;
- struct mwl8k_set_rts_threshold_worker *worker;
- struct mwl8k_priv *priv = hw->priv;
-
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL)
- return -ENOMEM;
-
- worker->value = value;
-
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq,
- mwl8k_set_rts_threshold_wt);
- kfree(worker);
-
- if (rc == -ETIMEDOUT) {
- printk(KERN_ERR "%s() timed out\n", __func__);
- rc = -EINVAL;
- }
-
- return rc;
-}
-
-struct mwl8k_conf_tx_worker {
- struct mwl8k_work_struct header;
- u16 queue;
- const struct ieee80211_tx_queue_params *params;
-};
-
-static int mwl8k_conf_tx_wt(struct work_struct *wt)
-{
- struct mwl8k_conf_tx_worker *worker =
- (struct mwl8k_conf_tx_worker *)wt;
-
- struct ieee80211_hw *hw = worker->header.hw;
- u16 queue = worker->queue;
- const struct ieee80211_tx_queue_params *params = worker->params;
-
- struct mwl8k_priv *priv = hw->priv;
- int rc = 0;
-
- if (priv->wmm_mode == MWL8K_WMM_DISABLE)
- if (mwl8k_set_wmm(hw, MWL8K_WMM_ENABLE)) {
- rc = -EINVAL;
- goto mwl8k_conf_tx_exit;
- }
-
- if (mwl8k_set_edca_params(hw, GET_TXQ(queue), params->cw_min,
- params->cw_max, params->aifs, params->txop))
- rc = -EINVAL;
-mwl8k_conf_tx_exit:
- return rc;
+ 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)
{
- int rc;
- struct mwl8k_conf_tx_worker *worker;
struct mwl8k_priv *priv = hw->priv;
+ int rc;
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL)
- return -ENOMEM;
+ rc = mwl8k_fw_lock(hw);
+ if (!rc) {
+ if (!priv->wmm_enabled)
+ rc = mwl8k_set_wmm(hw, 1);
- worker->queue = queue;
- worker->params = params;
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq, mwl8k_conf_tx_wt);
- kfree(worker);
- if (rc == -ETIMEDOUT) {
- printk(KERN_ERR "%s() timed out\n", __func__);
- rc = -EINVAL;
+ 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;
}
@@ -3393,44 +2766,14 @@ static int mwl8k_get_tx_stats(struct ieee80211_hw *hw,
sizeof(struct ieee80211_tx_queue_stats));
}
spin_unlock_bh(&priv->tx_lock);
- return 0;
-}
-
-struct mwl8k_get_stats_worker {
- struct mwl8k_work_struct header;
- struct ieee80211_low_level_stats *stats;
-};
-
-static int mwl8k_get_stats_wt(struct work_struct *wt)
-{
- struct mwl8k_get_stats_worker *worker =
- (struct mwl8k_get_stats_worker *)wt;
- return mwl8k_cmd_802_11_get_stat(worker->header.hw, worker->stats);
+ return 0;
}
static int mwl8k_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
- int rc;
- struct mwl8k_get_stats_worker *worker;
- struct mwl8k_priv *priv = hw->priv;
-
- worker = kzalloc(sizeof(*worker), GFP_KERNEL);
- if (worker == NULL)
- return -ENOMEM;
-
- worker->stats = stats;
- rc = mwl8k_queue_work(hw, &worker->header,
- priv->config_wq, mwl8k_get_stats_wt);
-
- kfree(worker);
- if (rc == -ETIMEDOUT) {
- printk(KERN_ERR "%s() timed out\n", __func__);
- rc = -EINVAL;
- }
-
- return rc;
+ return mwl8k_cmd_802_11_get_stat(hw, stats);
}
static const struct ieee80211_ops mwl8k_ops = {
@@ -3441,6 +2784,7 @@ static const struct ieee80211_ops mwl8k_ops = {
.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,
@@ -3458,12 +2802,9 @@ static void mwl8k_tx_reclaim_handler(unsigned long data)
for (i = 0; i < MWL8K_TX_QUEUES; i++)
mwl8k_txq_reclaim(hw, i, 0);
- if (priv->tx_wait != NULL) {
- int count = mwl8k_txq_busy(priv);
- if (count == 0) {
- complete(priv->tx_wait);
- priv->tx_wait = NULL;
- }
+ if (priv->tx_wait != NULL && mwl8k_txq_busy(priv) == 0) {
+ complete(priv->tx_wait);
+ priv->tx_wait = NULL;
}
spin_unlock_bh(&priv->tx_lock);
}
@@ -3473,7 +2814,7 @@ 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;
+ u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period;
mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim);
dev_kfree_skb(skb);
@@ -3484,12 +2825,16 @@ static void mwl8k_finalize_join_worker(struct work_struct *work)
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;
- DECLARE_MAC_BUF(mac);
int rc;
int i;
- u8 *fw;
+
+ if (!printed_version) {
+ printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION);
+ printed_version = 1;
+ }
rc = pci_enable_device(pdev);
if (rc) {
@@ -3517,16 +2862,10 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
priv = hw->priv;
priv->hw = hw;
priv->pdev = pdev;
- priv->hostcmd_wait = NULL;
- priv->tx_wait = NULL;
- priv->inconfig = false;
- priv->wep_enabled = 0;
- priv->wmm_mode = false;
+ priv->wmm_enabled = false;
priv->pending_tx_pkts = 0;
strncpy(priv->name, MWL8K_NAME, sizeof(priv->name));
- spin_lock_init(&priv->fw_lock);
-
SET_IEEE80211_DEV(hw, &pdev->dev);
pci_set_drvdata(pdev, hw);
@@ -3558,17 +2897,16 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
hw->queues = MWL8K_TX_QUEUES;
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_MONITOR);
+ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
/* Set rssi and noise values to dBm */
- hw->flags |= (IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_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_preamble = MWL8K_RADIO_DEFAULT_PREAMBLE;
- priv->radio_state = MWL8K_RADIO_DISABLE;
+ priv->radio_on = 0;
+ priv->radio_short_preamble = 0;
/* Finalize join worker */
INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker);
@@ -3593,6 +2931,12 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
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->tx_wait = NULL;
+ priv->hostcmd_wait = NULL;
+
spin_lock_init(&priv->tx_lock);
for (i = 0; i < MWL8K_TX_QUEUES; i++) {
@@ -3602,8 +2946,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
}
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- priv->int_mask = 0;
- iowrite32(priv->int_mask, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ 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);
@@ -3640,9 +2983,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
* commands use interrupts and avoids polling. Disable
* interrupts when done.
*/
- priv->int_mask |= MWL8K_A2H_EVENTS;
-
- iowrite32(priv->int_mask, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
+ iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
/* Get config data, mac addrs etc */
rc = mwl8k_cmd_get_hw_spec(hw);
@@ -3652,16 +2993,14 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
}
/* Turn radio off */
- rc = mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE);
+ rc = mwl8k_cmd_802_11_radio_disable(hw);
if (rc) {
printk(KERN_ERR "%s: Cannot disable\n", priv->name);
goto err_stop_firmware;
}
/* Disable interrupts */
- spin_lock_irq(&priv->tx_lock);
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- spin_unlock_irq(&priv->tx_lock);
free_irq(priv->pdev->irq, hw);
rc = ieee80211_register_hw(hw);
@@ -3670,13 +3009,11 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
goto err_stop_firmware;
}
- fw = (u8 *)&priv->fw_rev;
- printk(KERN_INFO "%s: 88W%u %s\n", priv->name, priv->part_num,
- MWL8K_DESC);
- printk(KERN_INFO "%s: Driver Ver:%s Firmware Ver:%u.%u.%u.%u\n",
- priv->name, MWL8K_VERSION, fw[3], fw[2], fw[1], fw[0]);
- printk(KERN_INFO "%s: MAC Address: %s\n", priv->name,
- print_mac(mac, hw->wiphy->perm_addr));
+ printk(KERN_INFO "%s: 88w%u v%d, %pM, firmware version %u.%u.%u.%u\n",
+ wiphy_name(hw->wiphy), priv->part_num, priv->hw_rev,
+ hw->wiphy->perm_addr,
+ (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff,
+ (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff);
return 0;
@@ -3685,9 +3022,7 @@ err_stop_firmware:
mwl8k_release_firmware(priv);
err_free_irq:
- spin_lock_irq(&priv->tx_lock);
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- spin_unlock_irq(&priv->tx_lock);
free_irq(priv->pdev->irq, hw);
err_free_queues:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 12:35:58 +0100