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path: root/drivers/net/wireless/mwl8k.c
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Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
-rw-r--r--drivers/net/wireless/mwl8k.c1184
1 files changed, 999 insertions, 185 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index f152a25be59f..36952274950e 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -29,6 +29,12 @@
#define MWL8K_NAME KBUILD_MODNAME
#define MWL8K_VERSION "0.12"
+/* Module parameters */
+static unsigned ap_mode_default;
+module_param(ap_mode_default, bool, 0);
+MODULE_PARM_DESC(ap_mode_default,
+ "Set to 1 to make ap mode the default instead of sta mode");
+
/* Register definitions */
#define MWL8K_HIU_GEN_PTR 0x00000c10
#define MWL8K_MODE_STA 0x0000005a
@@ -92,8 +98,10 @@ struct rxd_ops {
struct mwl8k_device_info {
char *part_name;
char *helper_image;
- char *fw_image;
+ char *fw_image_sta;
+ char *fw_image_ap;
struct rxd_ops *ap_rxd_ops;
+ u32 fw_api_ap;
};
struct mwl8k_rx_queue {
@@ -136,8 +144,8 @@ struct mwl8k_priv {
void __iomem *regs;
/* firmware */
- struct firmware *fw_helper;
- struct firmware *fw_ucode;
+ const struct firmware *fw_helper;
+ const struct firmware *fw_ucode;
/* hardware/firmware parameters */
bool ap_fw;
@@ -210,8 +218,23 @@ struct mwl8k_priv {
/* Most recently reported noise in dBm */
s8 noise;
+
+ /*
+ * preserve the queue configurations so they can be restored if/when
+ * the firmware image is swapped.
+ */
+ struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_QUEUES];
+
+ /* async firmware loading state */
+ unsigned fw_state;
+ char *fw_pref;
+ char *fw_alt;
+ struct completion firmware_loading_complete;
};
+#define MAX_WEP_KEY_LEN 13
+#define NUM_WEP_KEYS 4
+
/* Per interface specific private data */
struct mwl8k_vif {
struct list_head list;
@@ -222,8 +245,21 @@ struct mwl8k_vif {
/* Non AMPDU sequence number assigned by driver. */
u16 seqno;
+
+ /* Saved WEP keys */
+ struct {
+ u8 enabled;
+ u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN];
+ } wep_key_conf[NUM_WEP_KEYS];
+
+ /* BSSID */
+ u8 bssid[ETH_ALEN];
+
+ /* A flag to indicate is HW crypto is enabled for this bssid */
+ bool is_hw_crypto_enabled;
};
#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
+#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8))
struct mwl8k_sta {
/* Index into station database. Returned by UPDATE_STADB. */
@@ -285,8 +321,9 @@ static const struct ieee80211_rate mwl8k_rates_50[] = {
};
/* Set or get info from Firmware */
-#define MWL8K_CMD_SET 0x0001
#define MWL8K_CMD_GET 0x0000
+#define MWL8K_CMD_SET 0x0001
+#define MWL8K_CMD_SET_LIST 0x0002
/* Firmware command codes */
#define MWL8K_CMD_CODE_DNLD 0x0001
@@ -296,6 +333,7 @@ static const struct ieee80211_rate mwl8k_rates_50[] = {
#define MWL8K_CMD_GET_STAT 0x0014
#define MWL8K_CMD_RADIO_CONTROL 0x001c
#define MWL8K_CMD_RF_TX_POWER 0x001e
+#define MWL8K_CMD_TX_POWER 0x001f
#define MWL8K_CMD_RF_ANTENNA 0x0020
#define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */
#define MWL8K_CMD_SET_PRE_SCAN 0x0107
@@ -315,6 +353,7 @@ static const struct ieee80211_rate mwl8k_rates_50[] = {
#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
#define MWL8K_CMD_BSS_START 0x1100 /* per-vif */
#define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */
+#define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */
#define MWL8K_CMD_UPDATE_STADB 0x1123
static const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize)
@@ -333,6 +372,7 @@ static const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize)
MWL8K_CMDNAME(GET_STAT);
MWL8K_CMDNAME(RADIO_CONTROL);
MWL8K_CMDNAME(RF_TX_POWER);
+ MWL8K_CMDNAME(TX_POWER);
MWL8K_CMDNAME(RF_ANTENNA);
MWL8K_CMDNAME(SET_BEACON);
MWL8K_CMDNAME(SET_PRE_SCAN);
@@ -352,6 +392,7 @@ static const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize)
MWL8K_CMDNAME(SET_RATEADAPT_MODE);
MWL8K_CMDNAME(BSS_START);
MWL8K_CMDNAME(SET_NEW_STN);
+ MWL8K_CMDNAME(UPDATE_ENCRYPTION);
MWL8K_CMDNAME(UPDATE_STADB);
default:
snprintf(buf, bufsize, "0x%x", cmd);
@@ -372,7 +413,7 @@ static void mwl8k_hw_reset(struct mwl8k_priv *priv)
}
/* Release fw image */
-static void mwl8k_release_fw(struct firmware **fw)
+static void mwl8k_release_fw(const struct firmware **fw)
{
if (*fw == NULL)
return;
@@ -386,37 +427,68 @@ static void mwl8k_release_firmware(struct mwl8k_priv *priv)
mwl8k_release_fw(&priv->fw_helper);
}
+/* states for asynchronous f/w loading */
+static void mwl8k_fw_state_machine(const struct firmware *fw, void *context);
+enum {
+ FW_STATE_INIT = 0,
+ FW_STATE_LOADING_PREF,
+ FW_STATE_LOADING_ALT,
+ FW_STATE_ERROR,
+};
+
/* Request fw image */
static int mwl8k_request_fw(struct mwl8k_priv *priv,
- const char *fname, struct firmware **fw)
+ const char *fname, const struct firmware **fw,
+ bool nowait)
{
/* release current image */
if (*fw != NULL)
mwl8k_release_fw(fw);
- return request_firmware((const struct firmware **)fw,
- fname, &priv->pdev->dev);
+ if (nowait)
+ return request_firmware_nowait(THIS_MODULE, 1, fname,
+ &priv->pdev->dev, GFP_KERNEL,
+ priv, mwl8k_fw_state_machine);
+ else
+ return request_firmware(fw, fname, &priv->pdev->dev);
}
-static int mwl8k_request_firmware(struct mwl8k_priv *priv)
+static int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image,
+ bool nowait)
{
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);
+ if (nowait)
+ rc = mwl8k_request_fw(priv, di->helper_image,
+ &priv->fw_helper, true);
+ else
+ rc = mwl8k_request_fw(priv, di->helper_image,
+ &priv->fw_helper, false);
+ if (rc)
+ printk(KERN_ERR "%s: Error requesting helper fw %s\n",
+ pci_name(priv->pdev), di->helper_image);
+
+ if (rc || nowait)
return rc;
- }
}
- rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw_ucode);
+ if (nowait) {
+ /*
+ * if we get here, no helper image is needed. Skip the
+ * FW_STATE_INIT state.
+ */
+ priv->fw_state = FW_STATE_LOADING_PREF;
+ rc = mwl8k_request_fw(priv, fw_image,
+ &priv->fw_ucode,
+ true);
+ } else
+ rc = mwl8k_request_fw(priv, fw_image,
+ &priv->fw_ucode, false);
if (rc) {
printk(KERN_ERR "%s: Error requesting firmware file %s\n",
- pci_name(priv->pdev), di->fw_image);
+ pci_name(priv->pdev), fw_image);
mwl8k_release_fw(&priv->fw_helper);
return rc;
}
@@ -577,12 +649,12 @@ static int mwl8k_feed_fw_image(struct mwl8k_priv *priv,
static int mwl8k_load_firmware(struct ieee80211_hw *hw)
{
struct mwl8k_priv *priv = hw->priv;
- struct firmware *fw = priv->fw_ucode;
+ const struct firmware *fw = priv->fw_ucode;
int rc;
int loops;
if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) {
- struct firmware *helper = priv->fw_helper;
+ const struct firmware *helper = priv->fw_helper;
if (helper == NULL) {
printk(KERN_ERR "%s: helper image needed but none "
@@ -661,10 +733,12 @@ static inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos)
skb_pull(skb, sizeof(*tr) - hdrlen);
}
-static inline void mwl8k_add_dma_header(struct sk_buff *skb)
+static void
+mwl8k_add_dma_header(struct sk_buff *skb, int tail_pad)
{
struct ieee80211_hdr *wh;
int hdrlen;
+ int reqd_hdrlen;
struct mwl8k_dma_data *tr;
/*
@@ -676,11 +750,13 @@ static inline void mwl8k_add_dma_header(struct sk_buff *skb)
wh = (struct ieee80211_hdr *)skb->data;
hdrlen = ieee80211_hdrlen(wh->frame_control);
- if (hdrlen != sizeof(*tr))
- skb_push(skb, sizeof(*tr) - hdrlen);
+ reqd_hdrlen = sizeof(*tr);
+
+ if (hdrlen != reqd_hdrlen)
+ skb_push(skb, reqd_hdrlen - hdrlen);
if (ieee80211_is_data_qos(wh->frame_control))
- hdrlen -= 2;
+ hdrlen -= IEEE80211_QOS_CTL_LEN;
tr = (struct mwl8k_dma_data *)skb->data;
if (wh != &tr->wh)
@@ -693,9 +769,52 @@ static inline void mwl8k_add_dma_header(struct sk_buff *skb)
* payload". That is, everything except for the 802.11 header.
* This includes all crypto material including the MIC.
*/
- tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr));
+ tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad);
}
+static void mwl8k_encapsulate_tx_frame(struct sk_buff *skb)
+{
+ struct ieee80211_hdr *wh;
+ struct ieee80211_tx_info *tx_info;
+ struct ieee80211_key_conf *key_conf;
+ int data_pad;
+
+ wh = (struct ieee80211_hdr *)skb->data;
+
+ tx_info = IEEE80211_SKB_CB(skb);
+
+ key_conf = NULL;
+ if (ieee80211_is_data(wh->frame_control))
+ key_conf = tx_info->control.hw_key;
+
+ /*
+ * Make sure the packet header is in the DMA header format (4-address
+ * without QoS), the necessary crypto padding between the header and the
+ * payload has already been provided by mac80211, but it doesn't add tail
+ * padding when HW crypto is enabled.
+ *
+ * We have the following trailer padding requirements:
+ * - WEP: 4 trailer bytes (ICV)
+ * - TKIP: 12 trailer bytes (8 MIC + 4 ICV)
+ * - CCMP: 8 trailer bytes (MIC)
+ */
+ data_pad = 0;
+ if (key_conf != NULL) {
+ switch (key_conf->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ data_pad = 4;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ data_pad = 12;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ data_pad = 8;
+ break;
+ }
+ }
+ mwl8k_add_dma_header(skb, data_pad);
+}
/*
* Packet reception for 88w8366 AP firmware.
@@ -724,6 +843,13 @@ struct mwl8k_rxd_8366_ap {
#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80
+/* 8366 AP rx_status bits */
+#define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK 0x80
+#define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF
+#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02
+#define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04
+#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08
+
static void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr)
{
struct mwl8k_rxd_8366_ap *rxd = _rxd;
@@ -780,10 +906,16 @@ mwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status,
} else {
status->band = IEEE80211_BAND_2GHZ;
}
- status->freq = ieee80211_channel_to_frequency(rxd->channel);
+ status->freq = ieee80211_channel_to_frequency(rxd->channel,
+ status->band);
*qos = rxd->qos_control;
+ if ((rxd->rx_status != MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR) &&
+ (rxd->rx_status & MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK) &&
+ (rxd->rx_status & MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR))
+ status->flag |= RX_FLAG_MMIC_ERROR;
+
return le16_to_cpu(rxd->pkt_len);
}
@@ -822,6 +954,11 @@ struct mwl8k_rxd_sta {
#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001
#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02
+#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04
+/* ICV=0 or MIC=1 */
+#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08
+/* Key is uploaded only in failure case */
+#define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30
static void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr)
{
@@ -877,9 +1014,13 @@ mwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status,
} else {
status->band = IEEE80211_BAND_2GHZ;
}
- status->freq = ieee80211_channel_to_frequency(rxd->channel);
+ status->freq = ieee80211_channel_to_frequency(rxd->channel,
+ status->band);
*qos = rxd->qos_control;
+ if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) &&
+ (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE))
+ status->flag |= RX_FLAG_MMIC_ERROR;
return le16_to_cpu(rxd->pkt_len);
}
@@ -915,13 +1056,12 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
}
memset(rxq->rxd, 0, size);
- rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL);
+ rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL);
if (rxq->buf == NULL) {
wiphy_err(hw->wiphy, "failed to alloc RX skbuff list\n");
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;
@@ -1038,9 +1178,25 @@ static inline void mwl8k_save_beacon(struct ieee80211_hw *hw,
ieee80211_queue_work(hw, &priv->finalize_join_worker);
}
+static inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list,
+ u8 *bssid)
+{
+ struct mwl8k_vif *mwl8k_vif;
+
+ list_for_each_entry(mwl8k_vif,
+ vif_list, list) {
+ if (memcmp(bssid, mwl8k_vif->bssid,
+ ETH_ALEN) == 0)
+ return mwl8k_vif;
+ }
+
+ return NULL;
+}
+
static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
{
struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_vif *mwl8k_vif = NULL;
struct mwl8k_rx_queue *rxq = priv->rxq + index;
int processed;
@@ -1050,6 +1206,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
void *rxd;
int pkt_len;
struct ieee80211_rx_status status;
+ struct ieee80211_hdr *wh;
__le16 qos;
skb = rxq->buf[rxq->head].skb;
@@ -1076,8 +1233,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
rxq->rxd_count--;
- skb_put(skb, pkt_len);
- mwl8k_remove_dma_header(skb, qos);
+ wh = &((struct mwl8k_dma_data *)skb->data)->wh;
/*
* Check for a pending join operation. Save a
@@ -1087,6 +1243,46 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
if (mwl8k_capture_bssid(priv, (void *)skb->data))
mwl8k_save_beacon(hw, skb);
+ if (ieee80211_has_protected(wh->frame_control)) {
+
+ /* Check if hw crypto has been enabled for
+ * this bss. If yes, set the status flags
+ * accordingly
+ */
+ mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list,
+ wh->addr1);
+
+ if (mwl8k_vif != NULL &&
+ mwl8k_vif->is_hw_crypto_enabled == true) {
+ /*
+ * When MMIC ERROR is encountered
+ * by the firmware, payload is
+ * dropped and only 32 bytes of
+ * mwl8k Firmware header is sent
+ * to the host.
+ *
+ * We need to add four bytes of
+ * key information. In it
+ * MAC80211 expects keyidx set to
+ * 0 for triggering Counter
+ * Measure of MMIC failure.
+ */
+ if (status.flag & RX_FLAG_MMIC_ERROR) {
+ struct mwl8k_dma_data *tr;
+ tr = (struct mwl8k_dma_data *)skb->data;
+ memset((void *)&(tr->data), 0, 4);
+ pkt_len += 4;
+ }
+
+ if (!ieee80211_is_auth(wh->frame_control))
+ status.flag |= RX_FLAG_IV_STRIPPED |
+ RX_FLAG_DECRYPTED |
+ RX_FLAG_MMIC_STRIPPED;
+ }
+ }
+
+ skb_put(skb, pkt_len);
+ mwl8k_remove_dma_header(skb, qos);
memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
ieee80211_rx_irqsafe(hw, skb);
@@ -1150,13 +1346,12 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
}
memset(txq->txd, 0, size);
- txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL);
+ txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL);
if (txq->skb == NULL) {
wiphy_err(hw->wiphy, "failed to alloc TX skbuff list\n");
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;
@@ -1338,6 +1533,13 @@ mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force)
info = IEEE80211_SKB_CB(skb);
ieee80211_tx_info_clear_status(info);
+
+ /* Rate control is happening in the firmware.
+ * Ensure no tx rate is being reported.
+ */
+ info->status.rates[0].idx = -1;
+ info->status.rates[0].count = 1;
+
if (MWL8K_TXD_SUCCESS(status))
info->flags |= IEEE80211_TX_STAT_ACK;
@@ -1369,7 +1571,7 @@ static void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index)
txq->txd = NULL;
}
-static int
+static void
mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
{
struct mwl8k_priv *priv = hw->priv;
@@ -1389,7 +1591,11 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
else
qos = 0;
- mwl8k_add_dma_header(skb);
+ if (priv->ap_fw)
+ mwl8k_encapsulate_tx_frame(skb);
+ else
+ mwl8k_add_dma_header(skb, 0);
+
wh = &((struct mwl8k_dma_data *)skb->data)->wh;
tx_info = IEEE80211_SKB_CB(skb);
@@ -1427,7 +1633,7 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
wiphy_debug(hw->wiphy,
"failed to dma map skb, dropping TX frame.\n");
dev_kfree_skb(skb);
- return NETDEV_TX_OK;
+ return;
}
spin_lock_bh(&priv->tx_lock);
@@ -1464,8 +1670,6 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
mwl8k_tx_start(priv);
spin_unlock_bh(&priv->tx_lock);
-
- return NETDEV_TX_OK;
}
@@ -1811,6 +2015,7 @@ struct mwl8k_cmd_get_hw_spec_ap {
__le32 wcbbase1;
__le32 wcbbase2;
__le32 wcbbase3;
+ __le32 fw_api_version;
} __packed;
static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
@@ -1818,6 +2023,7 @@ 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;
+ u32 api_version;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (cmd == NULL)
@@ -1834,6 +2040,16 @@ static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
if (!rc) {
int off;
+ api_version = le32_to_cpu(cmd->fw_api_version);
+ if (priv->device_info->fw_api_ap != api_version) {
+ printk(KERN_ERR "%s: Unsupported fw API version for %s."
+ " Expected %d got %d.\n", MWL8K_NAME,
+ priv->device_info->part_name,
+ priv->device_info->fw_api_ap,
+ api_version);
+ rc = -EINVAL;
+ goto done;
+ }
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);
@@ -1861,6 +2077,7 @@ static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
iowrite32(priv->txq[3].txd_dma, priv->sram + off);
}
+done:
kfree(cmd);
return rc;
}
@@ -1907,8 +2124,18 @@ static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
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);
+
+ /*
+ * Mac80211 stack has Q0 as highest priority and Q3 as lowest in
+ * that order. Firmware has Q3 as highest priority and Q0 as lowest
+ * in that order. Map Q3 of mac80211 to Q0 of firmware so that the
+ * priority is interpreted the right way in firmware.
+ */
+ for (i = 0; i < MWL8K_TX_QUEUES; i++) {
+ int j = MWL8K_TX_QUEUES - 1 - i;
+ cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma);
+ }
+
cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT |
MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP |
MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON);
@@ -2084,7 +2311,7 @@ mwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble)
/*
* CMD_RF_TX_POWER.
*/
-#define MWL8K_TX_POWER_LEVEL_TOTAL 8
+#define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8
struct mwl8k_cmd_rf_tx_power {
struct mwl8k_cmd_pkt header;
@@ -2092,7 +2319,7 @@ struct mwl8k_cmd_rf_tx_power {
__le16 support_level;
__le16 current_level;
__le16 reserved;
- __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL];
+ __le16 power_level_list[MWL8K_RF_TX_POWER_LEVEL_TOTAL];
} __packed;
static int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm)
@@ -2116,6 +2343,65 @@ static int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm)
}
/*
+ * CMD_TX_POWER.
+ */
+#define MWL8K_TX_POWER_LEVEL_TOTAL 12
+
+struct mwl8k_cmd_tx_power {
+ struct mwl8k_cmd_pkt header;
+ __le16 action;
+ __le16 band;
+ __le16 channel;
+ __le16 bw;
+ __le16 sub_ch;
+ __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL];
+} __attribute__((packed));
+
+static int mwl8k_cmd_tx_power(struct ieee80211_hw *hw,
+ struct ieee80211_conf *conf,
+ unsigned short pwr)
+{
+ struct ieee80211_channel *channel = conf->channel;
+ struct mwl8k_cmd_tx_power *cmd;
+ int rc;
+ int i;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_TX_POWER);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le16(MWL8K_CMD_SET_LIST);
+
+ if (channel->band == IEEE80211_BAND_2GHZ)
+ cmd->band = cpu_to_le16(0x1);
+ else if (channel->band == IEEE80211_BAND_5GHZ)
+ cmd->band = cpu_to_le16(0x4);
+
+ cmd->channel = channel->hw_value;
+
+ if (conf->channel_type == NL80211_CHAN_NO_HT ||
+ conf->channel_type == NL80211_CHAN_HT20) {
+ cmd->bw = cpu_to_le16(0x2);
+ } else {
+ cmd->bw = cpu_to_le16(0x4);
+ if (conf->channel_type == NL80211_CHAN_HT40MINUS)
+ cmd->sub_ch = cpu_to_le16(0x3);
+ else if (conf->channel_type == NL80211_CHAN_HT40PLUS)
+ cmd->sub_ch = cpu_to_le16(0x1);
+ }
+
+ for (i = 0; i < MWL8K_TX_POWER_LEVEL_TOTAL; i++)
+ cmd->power_level_list[i] = cpu_to_le16(pwr);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
* CMD_RF_ANTENNA.
*/
struct mwl8k_cmd_rf_antenna {
@@ -2973,6 +3259,274 @@ static int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw,
}
/*
+ * CMD_UPDATE_ENCRYPTION.
+ */
+
+#define MAX_ENCR_KEY_LENGTH 16
+#define MIC_KEY_LENGTH 8
+
+struct mwl8k_cmd_update_encryption {
+ struct mwl8k_cmd_pkt header;
+
+ __le32 action;
+ __le32 reserved;
+ __u8 mac_addr[6];
+ __u8 encr_type;
+
+} __attribute__((packed));
+
+struct mwl8k_cmd_set_key {
+ struct mwl8k_cmd_pkt header;
+
+ __le32 action;
+ __le32 reserved;
+ __le16 length;
+ __le16 key_type_id;
+ __le32 key_info;
+ __le32 key_id;
+ __le16 key_len;
+ __u8 key_material[MAX_ENCR_KEY_LENGTH];
+ __u8 tkip_tx_mic_key[MIC_KEY_LENGTH];
+ __u8 tkip_rx_mic_key[MIC_KEY_LENGTH];
+ __le16 tkip_rsc_low;
+ __le32 tkip_rsc_high;
+ __le16 tkip_tsc_low;
+ __le32 tkip_tsc_high;
+ __u8 mac_addr[6];
+} __attribute__((packed));
+
+enum {
+ MWL8K_ENCR_ENABLE,
+ MWL8K_ENCR_SET_KEY,
+ MWL8K_ENCR_REMOVE_KEY,
+ MWL8K_ENCR_SET_GROUP_KEY,
+};
+
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8
+
+enum {
+ MWL8K_ALG_WEP,
+ MWL8K_ALG_TKIP,
+ MWL8K_ALG_CCMP,
+};
+
+#define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004
+#define MWL8K_KEY_FLAG_PAIRWISE 0x00000008
+#define MWL8K_KEY_FLAG_TSC_VALID 0x00000040
+#define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000
+#define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000
+
+static int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u8 *addr,
+ u8 encr_type)
+{
+ struct mwl8k_cmd_update_encryption *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE);
+ memcpy(cmd->mac_addr, addr, ETH_ALEN);
+ cmd->encr_type = encr_type;
+
+ rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd,
+ u8 *addr,
+ struct ieee80211_key_conf *key)
+{
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->length = cpu_to_le16(sizeof(*cmd) -
+ offsetof(struct mwl8k_cmd_set_key, length));
+ cmd->key_id = cpu_to_le32(key->keyidx);
+ cmd->key_len = cpu_to_le16(key->keylen);
+ memcpy(cmd->mac_addr, addr, ETH_ALEN);
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP);
+ if (key->keyidx == 0)
+ cmd->key_info = cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY);
+
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP);
+ cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE)
+ : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY);
+ cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID
+ | MWL8K_KEY_FLAG_TSC_VALID);
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP);
+ cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE)
+ : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY);
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u8 *addr,
+ struct ieee80211_key_conf *key)
+{
+ struct mwl8k_cmd_set_key *cmd;
+ int rc;
+ int keymlen;
+ u32 action;
+ u8 idx;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ rc = mwl8k_encryption_set_cmd_info(cmd, addr, key);
+ if (rc < 0)
+ goto done;
+
+ idx = key->keyidx;
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ action = MWL8K_ENCR_SET_KEY;
+ else
+ action = MWL8K_ENCR_SET_GROUP_KEY;
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ if (!mwl8k_vif->wep_key_conf[idx].enabled) {
+ memcpy(mwl8k_vif->wep_key_conf[idx].key, key,
+ sizeof(*key) + key->keylen);
+ mwl8k_vif->wep_key_conf[idx].enabled = 1;
+ }
+
+ keymlen = 0;
+ action = MWL8K_ENCR_SET_KEY;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ keymlen = key->keylen;
+ break;
+ default:
+ rc = -ENOTSUPP;
+ goto done;
+ }
+
+ memcpy(cmd->key_material, key->key, keymlen);
+ cmd->action = cpu_to_le32(action);
+
+ rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header);
+done:
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u8 *addr,
+ struct ieee80211_key_conf *key)
+{
+ struct mwl8k_cmd_set_key *cmd;
+ int rc;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ rc = mwl8k_encryption_set_cmd_info(cmd, addr, key);
+ if (rc < 0)
+ goto done;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
+ WLAN_CIPHER_SUITE_WEP104)
+ mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0;
+
+ cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY);
+
+ rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header);
+done:
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_set_key(struct ieee80211_hw *hw,
+ enum set_key_cmd cmd_param,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ int rc = 0;
+ u8 encr_type;
+ u8 *addr;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+
+ if (vif->type == NL80211_IFTYPE_STATION)
+ return -EOPNOTSUPP;
+
+ if (sta == NULL)
+ addr = hw->wiphy->perm_addr;
+ else
+ addr = sta->addr;
+
+ if (cmd_param == SET_KEY) {
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key);
+ if (rc)
+ goto out;
+
+ if ((key->cipher == WLAN_CIPHER_SUITE_WEP40)
+ || (key->cipher == WLAN_CIPHER_SUITE_WEP104))
+ encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP;
+ else
+ encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED;
+
+ rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr,
+ encr_type);
+ if (rc)
+ goto out;
+
+ mwl8k_vif->is_hw_crypto_enabled = true;
+
+ } else {
+ rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key);
+
+ if (rc)
+ goto out;
+
+ mwl8k_vif->is_hw_crypto_enabled = false;
+
+ }
+out:
+ return rc;
+}
+
+/*
* CMD_UPDATE_STADB.
*/
struct ewc_ht_info {
@@ -3184,22 +3738,19 @@ static void mwl8k_rx_poll(unsigned long data)
/*
* Core driver operations.
*/
-static int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void 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->radio_on) {
wiphy_debug(hw->wiphy,
"dropped TX frame since radio disabled\n");
dev_kfree_skb(skb);
- return NETDEV_TX_OK;
+ return;
}
- rc = mwl8k_txq_xmit(hw, index, skb);
-
- return rc;
+ mwl8k_txq_xmit(hw, index, skb);
}
static int mwl8k_start(struct ieee80211_hw *hw)
@@ -3283,13 +3834,16 @@ static void mwl8k_stop(struct ieee80211_hw *hw)
mwl8k_txq_reclaim(hw, i, INT_MAX, 1);
}
+static int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image);
+
static int mwl8k_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mwl8k_priv *priv = hw->priv;
struct mwl8k_vif *mwl8k_vif;
u32 macids_supported;
- int macid;
+ int macid, rc;
+ struct mwl8k_device_info *di;
/*
* Reject interface creation if sniffer mode is active, as
@@ -3302,12 +3856,28 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
return -EINVAL;
}
-
+ di = priv->device_info;
switch (vif->type) {
case NL80211_IFTYPE_AP:
+ if (!priv->ap_fw && di->fw_image_ap) {
+ /* we must load the ap fw to meet this request */
+ if (!list_empty(&priv->vif_list))
+ return -EBUSY;
+ rc = mwl8k_reload_firmware(hw, di->fw_image_ap);
+ if (rc)
+ return rc;
+ }
macids_supported = priv->ap_macids_supported;
break;
case NL80211_IFTYPE_STATION:
+ if (priv->ap_fw && di->fw_image_sta) {
+ /* we must load the sta fw to meet this request */
+ if (!list_empty(&priv->vif_list))
+ return -EBUSY;
+ rc = mwl8k_reload_firmware(hw, di->fw_image_sta);
+ if (rc)
+ return rc;
+ }
macids_supported = priv->sta_macids_supported;
break;
default:
@@ -3324,6 +3894,8 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
mwl8k_vif->vif = vif;
mwl8k_vif->macid = macid;
mwl8k_vif->seqno = 0;
+ memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN);
+ mwl8k_vif->is_hw_crypto_enabled = false;
/* Set the mac address. */
mwl8k_cmd_set_mac_addr(hw, vif, vif->addr);
@@ -3377,15 +3949,23 @@ static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
if (conf->power_level > 18)
conf->power_level = 18;
- rc = mwl8k_cmd_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);
+ rc = mwl8k_cmd_tx_power(hw, conf, conf->power_level);
+ if (rc)
+ goto out;
+
+ rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3);
+ if (rc)
+ wiphy_warn(hw->wiphy, "failed to set # of RX antennas");
+ rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7);
+ if (rc)
+ wiphy_warn(hw->wiphy, "failed to set # of TX antennas");
+
} else {
+ rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level);
+ if (rc)
+ goto out;
rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7);
}
@@ -3717,18 +4297,27 @@ static int mwl8k_sta_add(struct ieee80211_hw *hw,
{
struct mwl8k_priv *priv = hw->priv;
int ret;
+ int i;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+ struct ieee80211_key_conf *key;
if (!priv->ap_fw) {
ret = mwl8k_cmd_update_stadb_add(hw, vif, sta);
if (ret >= 0) {
MWL8K_STA(sta)->peer_id = ret;
- return 0;
+ ret = 0;
}
- return ret;
+ } else {
+ ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta);
}
- return mwl8k_cmd_set_new_stn_add(hw, vif, sta);
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key);
+ if (mwl8k_vif->wep_key_conf[i].enabled)
+ mwl8k_set_key(hw, SET_KEY, vif, sta, key);
+ }
+ return ret;
}
static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
@@ -3739,15 +4328,20 @@ static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
rc = mwl8k_fw_lock(hw);
if (!rc) {
+ BUG_ON(queue > MWL8K_TX_QUEUES - 1);
+ memcpy(&priv->wmm_params[queue], params, sizeof(*params));
+
if (!priv->wmm_enabled)
rc = mwl8k_cmd_set_wmm_mode(hw, 1);
- if (!rc)
- rc = mwl8k_cmd_set_edca_params(hw, queue,
+ if (!rc) {
+ int q = MWL8K_TX_QUEUES - 1 - queue;
+ rc = mwl8k_cmd_set_edca_params(hw, q,
params->cw_min,
params->cw_max,
params->aifs,
params->txop);
+ }
mwl8k_fw_unlock(hw);
}
@@ -3780,7 +4374,8 @@ static int mwl8k_get_survey(struct ieee80211_hw *hw, int idx,
static int
mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
{
switch (action) {
case IEEE80211_AMPDU_RX_START:
@@ -3803,6 +4398,7 @@ static const struct ieee80211_ops mwl8k_ops = {
.bss_info_changed = mwl8k_bss_info_changed,
.prepare_multicast = mwl8k_prepare_multicast,
.configure_filter = mwl8k_configure_filter,
+ .set_key = mwl8k_set_key,
.set_rts_threshold = mwl8k_set_rts_threshold,
.sta_add = mwl8k_sta_add,
.sta_remove = mwl8k_sta_remove,
@@ -3838,21 +4434,27 @@ enum {
MWL8366,
};
+#define MWL8K_8366_AP_FW_API 1
+#define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw"
+#define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api)
+
static struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = {
[MWL8363] = {
.part_name = "88w8363",
.helper_image = "mwl8k/helper_8363.fw",
- .fw_image = "mwl8k/fmimage_8363.fw",
+ .fw_image_sta = "mwl8k/fmimage_8363.fw",
},
[MWL8687] = {
.part_name = "88w8687",
.helper_image = "mwl8k/helper_8687.fw",
- .fw_image = "mwl8k/fmimage_8687.fw",
+ .fw_image_sta = "mwl8k/fmimage_8687.fw",
},
[MWL8366] = {
.part_name = "88w8366",
.helper_image = "mwl8k/helper_8366.fw",
- .fw_image = "mwl8k/fmimage_8366.fw",
+ .fw_image_sta = "mwl8k/fmimage_8366.fw",
+ .fw_image_ap = MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API),
+ .fw_api_ap = MWL8K_8366_AP_FW_API,
.ap_rxd_ops = &rxd_8366_ap_ops,
},
};
@@ -3863,6 +4465,7 @@ MODULE_FIRMWARE("mwl8k/helper_8687.fw");
MODULE_FIRMWARE("mwl8k/fmimage_8687.fw");
MODULE_FIRMWARE("mwl8k/helper_8366.fw");
MODULE_FIRMWARE("mwl8k/fmimage_8366.fw");
+MODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API));
static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
{ PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, },
@@ -3876,94 +4479,133 @@ static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
};
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 mwl8k_request_alt_fw(struct mwl8k_priv *priv)
{
- 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);
+ printk(KERN_ERR "%s: Error requesting preferred fw %s.\n"
+ "Trying alternative firmware %s\n", pci_name(priv->pdev),
+ priv->fw_pref, priv->fw_alt);
+ rc = mwl8k_request_fw(priv, priv->fw_alt, &priv->fw_ucode, true);
if (rc) {
- printk(KERN_ERR "%s: Cannot enable new PCI device\n",
- MWL8K_NAME);
+ printk(KERN_ERR "%s: Error requesting alt fw %s\n",
+ pci_name(priv->pdev), priv->fw_alt);
return rc;
}
+ return 0;
+}
- rc = pci_request_regions(pdev, MWL8K_NAME);
- if (rc) {
- printk(KERN_ERR "%s: Cannot obtain PCI resources\n",
- MWL8K_NAME);
- goto err_disable_device;
- }
-
- 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;
- }
+static int mwl8k_firmware_load_success(struct mwl8k_priv *priv);
+static void mwl8k_fw_state_machine(const struct firmware *fw, void *context)
+{
+ struct mwl8k_priv *priv = context;
+ struct mwl8k_device_info *di = priv->device_info;
+ int rc;
- SET_IEEE80211_DEV(hw, &pdev->dev);
- pci_set_drvdata(pdev, hw);
+ switch (priv->fw_state) {
+ case FW_STATE_INIT:
+ if (!fw) {
+ printk(KERN_ERR "%s: Error requesting helper fw %s\n",
+ pci_name(priv->pdev), di->helper_image);
+ goto fail;
+ }
+ priv->fw_helper = fw;
+ rc = mwl8k_request_fw(priv, priv->fw_pref, &priv->fw_ucode,
+ true);
+ if (rc && priv->fw_alt) {
+ rc = mwl8k_request_alt_fw(priv);
+ if (rc)
+ goto fail;
+ priv->fw_state = FW_STATE_LOADING_ALT;
+ } else if (rc)
+ goto fail;
+ else
+ priv->fw_state = FW_STATE_LOADING_PREF;
+ break;
- priv = hw->priv;
- priv->hw = hw;
- priv->pdev = pdev;
- priv->device_info = &mwl8k_info_tbl[id->driver_data];
+ case FW_STATE_LOADING_PREF:
+ if (!fw) {
+ if (priv->fw_alt) {
+ rc = mwl8k_request_alt_fw(priv);
+ if (rc)
+ goto fail;
+ priv->fw_state = FW_STATE_LOADING_ALT;
+ } else
+ goto fail;
+ } else {
+ priv->fw_ucode = fw;
+ rc = mwl8k_firmware_load_success(priv);
+ if (rc)
+ goto fail;
+ else
+ complete(&priv->firmware_loading_complete);
+ }
+ break;
+ case FW_STATE_LOADING_ALT:
+ if (!fw) {
+ printk(KERN_ERR "%s: Error requesting alt fw %s\n",
+ pci_name(priv->pdev), di->helper_image);
+ goto fail;
+ }
+ priv->fw_ucode = fw;
+ rc = mwl8k_firmware_load_success(priv);
+ if (rc)
+ goto fail;
+ else
+ complete(&priv->firmware_loading_complete);
+ break;
- priv->sram = pci_iomap(pdev, 0, 0x10000);
- if (priv->sram == NULL) {
- wiphy_err(hw->wiphy, "Cannot map device SRAM\n");
- goto err_iounmap;
+ default:
+ printk(KERN_ERR "%s: Unexpected firmware loading state: %d\n",
+ MWL8K_NAME, priv->fw_state);
+ BUG_ON(1);
}
- /*
- * 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) {
- wiphy_err(hw->wiphy, "Cannot map device registers\n");
- goto err_iounmap;
- }
- }
+ return;
+fail:
+ priv->fw_state = FW_STATE_ERROR;
+ complete(&priv->firmware_loading_complete);
+ device_release_driver(&priv->pdev->dev);
+ mwl8k_release_firmware(priv);
+}
+
+static int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image,
+ bool nowait)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int rc;
/* Reset firmware and hardware */
mwl8k_hw_reset(priv);
/* Ask userland hotplug daemon for the device firmware */
- rc = mwl8k_request_firmware(priv);
+ rc = mwl8k_request_firmware(priv, fw_image, nowait);
if (rc) {
wiphy_err(hw->wiphy, "Firmware files not found\n");
- goto err_stop_firmware;
+ return rc;
}
+ if (nowait)
+ return rc;
+
/* Load firmware into hardware */
rc = mwl8k_load_firmware(hw);
- if (rc) {
+ if (rc)
wiphy_err(hw->wiphy, "Cannot start firmware\n");
- goto err_stop_firmware;
- }
/* Reclaim memory once firmware is successfully loaded */
mwl8k_release_firmware(priv);
+ return rc;
+}
+
+/* initialize hw after successfully loading a firmware image */
+static int mwl8k_probe_hw(struct ieee80211_hw *hw)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int rc = 0;
+ int i;
if (priv->ap_fw) {
priv->rxd_ops = priv->device_info->ap_rxd_ops;
@@ -3980,58 +4622,11 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
priv->wmm_enabled = false;
priv->pending_tx_pkts = 0;
-
- /*
- * 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;
-
- /* Set rssi values to dBm */
- hw->flags |= IEEE80211_HW_SIGNAL_DBM;
- hw->vif_data_size = sizeof(struct mwl8k_vif);
- hw->sta_data_size = sizeof(struct mwl8k_sta);
-
- priv->macids_used = 0;
- INIT_LIST_HEAD(&priv->vif_list);
-
- /* 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 and RX tasklets. */
- tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw);
- tasklet_disable(&priv->poll_tx_task);
- tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw);
- tasklet_disable(&priv->poll_rx_task);
-
- /* Power management cookie */
- priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma);
- if (priv->cookie == NULL)
- goto err_stop_firmware;
-
rc = mwl8k_rxq_init(hw, 0);
if (rc)
- goto err_free_cookie;
+ goto err_stop_firmware;
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)
@@ -4071,13 +4666,6 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
goto err_free_irq;
}
- hw->wiphy->interface_modes = 0;
- if (priv->ap_macids_supported)
- hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP);
- if (priv->sta_macids_supported)
- hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION);
-
-
/* Turn radio off */
rc = mwl8k_cmd_radio_disable(hw);
if (rc) {
@@ -4096,12 +4684,6 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
free_irq(priv->pdev->irq, hw);
- rc = ieee80211_register_hw(hw);
- if (rc) {
- wiphy_err(hw->wiphy, "Cannot register device\n");
- goto err_free_queues;
- }
-
wiphy_info(hw->wiphy, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n",
priv->device_info->part_name,
priv->hw_rev, hw->wiphy->perm_addr,
@@ -4120,14 +4702,238 @@ err_free_queues:
mwl8k_txq_deinit(hw, i);
mwl8k_rxq_deinit(hw, 0);
+err_stop_firmware:
+ mwl8k_hw_reset(priv);
+
+ return rc;
+}
+
+/*
+ * invoke mwl8k_reload_firmware to change the firmware image after the device
+ * has already been registered
+ */
+static int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image)
+{
+ int i, rc = 0;
+ struct mwl8k_priv *priv = hw->priv;
+
+ mwl8k_stop(hw);
+ mwl8k_rxq_deinit(hw, 0);
+
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_deinit(hw, i);
+
+ rc = mwl8k_init_firmware(hw, fw_image, false);
+ if (rc)
+ goto fail;
+
+ rc = mwl8k_probe_hw(hw);
+ if (rc)
+ goto fail;
+
+ rc = mwl8k_start(hw);
+ if (rc)
+ goto fail;
+
+ rc = mwl8k_config(hw, ~0);
+ if (rc)
+ goto fail;
+
+ for (i = 0; i < MWL8K_TX_QUEUES; i++) {
+ rc = mwl8k_conf_tx(hw, i, &priv->wmm_params[i]);
+ if (rc)
+ goto fail;
+ }
+
+ return rc;
+
+fail:
+ printk(KERN_WARNING "mwl8k: Failed to reload firmware image.\n");
+ return rc;
+}
+
+static int mwl8k_firmware_load_success(struct mwl8k_priv *priv)
+{
+ struct ieee80211_hw *hw = priv->hw;
+ int i, rc;
+
+ rc = mwl8k_load_firmware(hw);
+ mwl8k_release_firmware(priv);
+ if (rc) {
+ wiphy_err(hw->wiphy, "Cannot start firmware\n");
+ return rc;
+ }
+
+ /*
+ * 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;
+
+ /* Set rssi values to dBm */
+ hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_HAS_RATE_CONTROL;
+ hw->vif_data_size = sizeof(struct mwl8k_vif);
+ hw->sta_data_size = sizeof(struct mwl8k_sta);
+
+ priv->macids_used = 0;
+ INIT_LIST_HEAD(&priv->vif_list);
+
+ /* 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 and RX tasklets. */
+ tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw);
+ tasklet_disable(&priv->poll_tx_task);
+ tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw);
+ tasklet_disable(&priv->poll_rx_task);
+
+ /* Power management cookie */
+ priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma);
+ if (priv->cookie == NULL)
+ return -ENOMEM;
+
+ 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;
+
+ rc = mwl8k_probe_hw(hw);
+ if (rc)
+ goto err_free_cookie;
+
+ hw->wiphy->interface_modes = 0;
+ if (priv->ap_macids_supported || priv->device_info->fw_image_ap)
+ hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP);
+ if (priv->sta_macids_supported || priv->device_info->fw_image_sta)
+ hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION);
+
+ rc = ieee80211_register_hw(hw);
+ if (rc) {
+ wiphy_err(hw->wiphy, "Cannot register device\n");
+ goto err_unprobe_hw;
+ }
+
+ return 0;
+
+err_unprobe_hw:
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ mwl8k_txq_deinit(hw, i);
+ mwl8k_rxq_deinit(hw, 0);
+
err_free_cookie:
if (priv->cookie != NULL)
pci_free_consistent(priv->pdev, 4,
priv->cookie, priv->cookie_dma);
+ return rc;
+}
+static int __devinit mwl8k_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ static int printed_version;
+ struct ieee80211_hw *hw;
+ struct mwl8k_priv *priv;
+ struct mwl8k_device_info *di;
+ int rc;
+
+ 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);
+ goto err_disable_device;
+ }
+
+ 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;
+ }
+
+ SET_IEEE80211_DEV(hw, &pdev->dev);
+ pci_set_drvdata(pdev, hw);
+
+ priv = hw->priv;
+ priv->hw = hw;
+ priv->pdev = pdev;
+ priv->device_info = &mwl8k_info_tbl[id->driver_data];
+
+
+ priv->sram = pci_iomap(pdev, 0, 0x10000);
+ if (priv->sram == NULL) {
+ wiphy_err(hw->wiphy, "Cannot map device SRAM\n");
+ 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) {
+ wiphy_err(hw->wiphy, "Cannot map device registers\n");
+ goto err_iounmap;
+ }
+ }
+
+ /*
+ * Choose the initial fw image depending on user input. If a second
+ * image is available, make it the alternative image that will be
+ * loaded if the first one fails.
+ */
+ init_completion(&priv->firmware_loading_complete);
+ di = priv->device_info;
+ if (ap_mode_default && di->fw_image_ap) {
+ priv->fw_pref = di->fw_image_ap;
+ priv->fw_alt = di->fw_image_sta;
+ } else if (!ap_mode_default && di->fw_image_sta) {
+ priv->fw_pref = di->fw_image_sta;
+ priv->fw_alt = di->fw_image_ap;
+ } else if (ap_mode_default && !di->fw_image_ap && di->fw_image_sta) {
+ printk(KERN_WARNING "AP fw is unavailable. Using STA fw.");
+ priv->fw_pref = di->fw_image_sta;
+ } else if (!ap_mode_default && !di->fw_image_sta && di->fw_image_ap) {
+ printk(KERN_WARNING "STA fw is unavailable. Using AP fw.");
+ priv->fw_pref = di->fw_image_ap;
+ }
+ rc = mwl8k_init_firmware(hw, priv->fw_pref, true);
+ if (rc)
+ goto err_stop_firmware;
+ return rc;
+
err_stop_firmware:
mwl8k_hw_reset(priv);
- mwl8k_release_firmware(priv);
err_iounmap:
if (priv->regs != NULL)
@@ -4163,6 +4969,13 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
return;
priv = hw->priv;
+ wait_for_completion(&priv->firmware_loading_complete);
+
+ if (priv->fw_state == FW_STATE_ERROR) {
+ mwl8k_hw_reset(priv);
+ goto unmap;
+ }
+
ieee80211_stop_queues(hw);
ieee80211_unregister_hw(hw);
@@ -4185,6 +4998,7 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma);
+unmap:
pci_iounmap(pdev, priv->regs);
pci_iounmap(pdev, priv->sram);
pci_set_drvdata(pdev, NULL);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-04 05:05:23 +0000