*/
struct work_struct finalize_join_worker;
- /* Tasklet to reclaim TX descriptors and buffers after tx */
- struct tasklet_struct tx_reclaim_task;
+ /* Tasklet to perform TX reclaim. */
+ struct tasklet_struct poll_tx_task;
+
+ /* Tasklet to perform RX. */
+ struct tasklet_struct poll_rx_task;
};
/* Per interface specific private data */
struct mwl8k_vif {
- /* Local MAC address. */
- u8 mac_addr[ETH_ALEN];
-
- /* Non AMPDU sequence number assigned by driver */
+ /* Non AMPDU sequence number assigned by driver. */
u16 seqno;
};
#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
#define MWL8K_CMD_RADIO_CONTROL 0x001c
#define MWL8K_CMD_RF_TX_POWER 0x001e
#define MWL8K_CMD_RF_ANTENNA 0x0020
+#define MWL8K_CMD_SET_BEACON 0x0100
#define MWL8K_CMD_SET_PRE_SCAN 0x0107
#define MWL8K_CMD_SET_POST_SCAN 0x0108
#define MWL8K_CMD_SET_RF_CHANNEL 0x010a
#define MWL8K_CMD_ENABLE_SNIFFER 0x0150
#define MWL8K_CMD_SET_MAC_ADDR 0x0202
#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
+#define MWL8K_CMD_BSS_START 0x1100
+#define MWL8K_CMD_SET_NEW_STN 0x1111
#define MWL8K_CMD_UPDATE_STADB 0x1123
static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
MWL8K_CMDNAME(RADIO_CONTROL);
MWL8K_CMDNAME(RF_TX_POWER);
MWL8K_CMDNAME(RF_ANTENNA);
+ MWL8K_CMDNAME(SET_BEACON);
MWL8K_CMDNAME(SET_PRE_SCAN);
MWL8K_CMDNAME(SET_POST_SCAN);
MWL8K_CMDNAME(SET_RF_CHANNEL);
MWL8K_CMDNAME(ENABLE_SNIFFER);
MWL8K_CMDNAME(SET_MAC_ADDR);
MWL8K_CMDNAME(SET_RATEADAPT_MODE);
+ MWL8K_CMDNAME(BSS_START);
+ MWL8K_CMDNAME(SET_NEW_STN);
MWL8K_CMDNAME(UPDATE_STADB);
default:
snprintf(buf, bufsize, "0x%x", cmd);
/*
* Must be called with priv->fw_mutex held and tx queues stopped.
*/
-#define MWL8K_TX_WAIT_TIMEOUT_MS 1000
+#define MWL8K_TX_WAIT_TIMEOUT_MS 5000
static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
{
MWL8K_TXD_STATUS_OK_RETRY | \
MWL8K_TXD_STATUS_OK_MORE_RETRY))
-static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
+static int
+mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force)
{
struct mwl8k_priv *priv = hw->priv;
struct mwl8k_tx_queue *txq = priv->txq + index;
- int wake = 0;
+ int processed;
- while (txq->stats.len > 0) {
+ processed = 0;
+ while (txq->stats.len > 0 && limit--) {
int tx;
struct mwl8k_tx_desc *tx_desc;
unsigned long addr;
ieee80211_tx_status_irqsafe(hw, skb);
- wake = 1;
+ processed++;
}
- if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex))
+ if (processed && priv->radio_on && !mutex_is_locked(&priv->fw_mutex))
ieee80211_wake_queue(hw, index);
+
+ return processed;
}
/* must be called only when the card's transmit is completely halted */
struct mwl8k_priv *priv = hw->priv;
struct mwl8k_tx_queue *txq = priv->txq + index;
- mwl8k_txq_reclaim(hw, index, 1);
+ mwl8k_txq_reclaim(hw, index, INT_MAX, 1);
kfree(txq->skb);
txq->skb = NULL;
__le32 total_rxd;
} __attribute__((packed));
+#define MWL8K_CAP_MAX_AMSDU 0x20000000
+#define MWL8K_CAP_GREENFIELD 0x08000000
+#define MWL8K_CAP_AMPDU 0x04000000
+#define MWL8K_CAP_RX_STBC 0x01000000
+#define MWL8K_CAP_TX_STBC 0x00800000
+#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000
+#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000
+#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000
+#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000
+#define MWL8K_CAP_DELAY_BA 0x00003000
+#define MWL8K_CAP_MIMO 0x00000200
+#define MWL8K_CAP_40MHZ 0x00000100
+
+static void mwl8k_set_ht_caps(struct ieee80211_hw *hw, u32 cap)
+{
+ struct mwl8k_priv *priv = hw->priv;
+ int rx_streams;
+ int tx_streams;
+
+ priv->band.ht_cap.ht_supported = 1;
+
+ if (cap & MWL8K_CAP_MAX_AMSDU)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
+ if (cap & MWL8K_CAP_GREENFIELD)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD;
+ if (cap & MWL8K_CAP_AMPDU) {
+ hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+ priv->band.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ priv->band.ht_cap.ampdu_density =
+ IEEE80211_HT_MPDU_DENSITY_NONE;
+ }
+ if (cap & MWL8K_CAP_RX_STBC)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC;
+ if (cap & MWL8K_CAP_TX_STBC)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
+ if (cap & MWL8K_CAP_SHORTGI_40MHZ)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
+ if (cap & MWL8K_CAP_SHORTGI_20MHZ)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
+ if (cap & MWL8K_CAP_DELAY_BA)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA;
+ if (cap & MWL8K_CAP_40MHZ)
+ priv->band.ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+
+ rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK);
+ tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK);
+
+ priv->band.ht_cap.mcs.rx_mask[0] = 0xff;
+ if (rx_streams >= 2)
+ priv->band.ht_cap.mcs.rx_mask[1] = 0xff;
+ if (rx_streams >= 3)
+ priv->band.ht_cap.mcs.rx_mask[2] = 0xff;
+ priv->band.ht_cap.mcs.rx_mask[4] = 0x01;
+ priv->band.ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+
+ if (rx_streams != tx_streams) {
+ priv->band.ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+ priv->band.ht_cap.mcs.tx_params |= (tx_streams - 1) <<
+ IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
+ }
+}
+
static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
{
struct mwl8k_priv *priv = hw->priv;
priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
priv->fw_rev = le32_to_cpu(cmd->fw_rev);
priv->hw_rev = cmd->hw_rev;
+ if (cmd->caps & cpu_to_le32(MWL8K_CAP_MIMO))
+ mwl8k_set_ht_caps(hw, le32_to_cpu(cmd->caps));
}
kfree(cmd);
__le32 total_rxd;
} __attribute__((packed));
-#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
+#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
+#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020
+#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010
static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
{
cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
for (i = 0; i < MWL8K_TX_QUEUES; i++)
cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
- cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT);
+ cmd->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);
cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
return rc;
}
+/*
+ * CMD_SET_BEACON.
+ */
+struct mwl8k_cmd_set_beacon {
+ struct mwl8k_cmd_pkt header;
+ __le16 beacon_len;
+ __u8 beacon[0];
+};
+
+static int mwl8k_cmd_set_beacon(struct ieee80211_hw *hw, u8 *beacon, int len)
+{
+ struct mwl8k_cmd_set_beacon *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd) + len, GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_BEACON);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd) + len);
+ cmd->beacon_len = cpu_to_le16(len);
+ memcpy(cmd->beacon, beacon, len);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
/*
* CMD_SET_PRE_SCAN.
*/
__le16 threshold;
} __attribute__((packed));
-static int mwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw,
- u16 action, u16 threshold)
+static int
+mwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh)
{
struct mwl8k_cmd_set_rts_threshold *cmd;
int rc;
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->action = cpu_to_le16(MWL8K_CMD_SET);
+ cmd->threshold = cpu_to_le16(rts_thresh);
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
if (cmd == NULL)
return -ENOMEM;
- /*
- * Queues 0 (BE) and 1 (BK) are swapped in hardware for
- * this call.
- */
- qnum ^= !(qnum >> 1);
-
cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);
}
/*
- * CMD_USE_FIXED_RATE.
+ * CMD_USE_FIXED_RATE (STA version).
*/
-#define MWL8K_RATE_TABLE_SIZE 8
-#define MWL8K_UCAST_RATE 0
-#define MWL8K_USE_AUTO_RATE 0x0002
+struct mwl8k_cmd_use_fixed_rate_sta {
+ struct mwl8k_cmd_pkt header;
+ __le32 action;
+ __le32 allow_rate_drop;
+ __le32 num_rates;
+ struct {
+ __le32 is_ht_rate;
+ __le32 enable_retry;
+ __le32 rate;
+ __le32 retry_count;
+ } rate_entry[8];
+ __le32 rate_type;
+ __le32 reserved1;
+ __le32 reserved2;
+} __attribute__((packed));
-struct mwl8k_rate_entry {
- /* Set to 1 if HT rate, 0 if legacy. */
- __le32 is_ht_rate;
+#define MWL8K_USE_AUTO_RATE 0x0002
+#define MWL8K_UCAST_RATE 0
- /* Set to 1 to use retry_count field. */
- __le32 enable_retry;
+static int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw)
+{
+ struct mwl8k_cmd_use_fixed_rate_sta *cmd;
+ int rc;
- /* Specified legacy rate or MCS. */
- __le32 rate;
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
- /* Number of allowed retries. */
- __le32 retry_count;
-} __attribute__((packed));
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE);
+ cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE);
-struct mwl8k_rate_table {
- /* 1 to allow specified rate and below */
- __le32 allow_rate_drop;
- __le32 num_rates;
- struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE];
-} __attribute__((packed));
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
-struct mwl8k_cmd_use_fixed_rate {
- struct mwl8k_cmd_pkt header;
- __le32 action;
- struct mwl8k_rate_table rate_table;
+ return rc;
+}
- /* Unicast, Broadcast or Multicast */
- __le32 rate_type;
- __le32 reserved1;
- __le32 reserved2;
+/*
+ * CMD_USE_FIXED_RATE (AP version).
+ */
+struct mwl8k_cmd_use_fixed_rate_ap {
+ struct mwl8k_cmd_pkt header;
+ __le32 action;
+ __le32 allow_rate_drop;
+ __le32 num_rates;
+ struct mwl8k_rate_entry_ap {
+ __le32 is_ht_rate;
+ __le32 enable_retry;
+ __le32 rate;
+ __le32 retry_count;
+ } rate_entry[4];
+ u8 multicast_rate;
+ u8 multicast_rate_type;
+ u8 management_rate;
} __attribute__((packed));
-static int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw,
- u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table)
+static int
+mwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt)
{
- struct mwl8k_cmd_use_fixed_rate *cmd;
- int count;
+ struct mwl8k_cmd_use_fixed_rate_ap *cmd;
int rc;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
-
- cmd->action = cpu_to_le32(action);
- cmd->rate_type = cpu_to_le32(rate_type);
-
- if (rate_table != NULL) {
- /*
- * Copy over each field manually so that endian
- * conversion can be done.
- */
- cmd->rate_table.allow_rate_drop =
- cpu_to_le32(rate_table->allow_rate_drop);
- cmd->rate_table.num_rates =
- cpu_to_le32(rate_table->num_rates);
-
- for (count = 0; count < rate_table->num_rates; count++) {
- struct mwl8k_rate_entry *dst =
- &cmd->rate_table.rate_entry[count];
- struct mwl8k_rate_entry *src =
- &rate_table->rate_entry[count];
-
- dst->is_ht_rate = cpu_to_le32(src->is_ht_rate);
- dst->enable_retry = cpu_to_le32(src->enable_retry);
- dst->rate = cpu_to_le32(src->rate);
- dst->retry_count = cpu_to_le32(src->retry_count);
- }
- }
+ cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE);
+ cmd->multicast_rate = mcast;
+ cmd->management_rate = mgmt;
rc = mwl8k_post_cmd(hw, &cmd->header);
kfree(cmd);
};
} __attribute__((packed));
+#define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0
+#define MWL8K_MAC_TYPE_PRIMARY_AP 2
+
static int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
{
struct mwl8k_priv *priv = hw->priv;
cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR);
cmd->header.length = cpu_to_le16(sizeof(*cmd));
if (priv->ap_fw) {
- cmd->mbss.mac_type = 0;
+ cmd->mbss.mac_type = cpu_to_le16(MWL8K_MAC_TYPE_PRIMARY_AP);
memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN);
} else {
memcpy(cmd->mac_addr, mac, ETH_ALEN);
return rc;
}
+/*
+ * CMD_BSS_START.
+ */
+struct mwl8k_cmd_bss_start {
+ struct mwl8k_cmd_pkt header;
+ __le32 enable;
+} __attribute__((packed));
+
+static int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, int enable)
+{
+ struct mwl8k_cmd_bss_start *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_BSS_START);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->enable = cpu_to_le32(enable);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
+ * CMD_SET_NEW_STN.
+ */
+struct mwl8k_cmd_set_new_stn {
+ struct mwl8k_cmd_pkt header;
+ __le16 aid;
+ __u8 mac_addr[6];
+ __le16 stn_id;
+ __le16 action;
+ __le16 rsvd;
+ __le32 legacy_rates;
+ __u8 ht_rates[4];
+ __le16 cap_info;
+ __le16 ht_capabilities_info;
+ __u8 mac_ht_param_info;
+ __u8 rev;
+ __u8 control_channel;
+ __u8 add_channel;
+ __le16 op_mode;
+ __le16 stbc;
+ __u8 add_qos_info;
+ __u8 is_qos_sta;
+ __le32 fw_sta_ptr;
+} __attribute__((packed));
+
+#define MWL8K_STA_ACTION_ADD 0
+#define MWL8K_STA_ACTION_REMOVE 2
+
+static int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mwl8k_cmd_set_new_stn *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->aid = cpu_to_le16(sta->aid);
+ memcpy(cmd->mac_addr, sta->addr, ETH_ALEN);
+ cmd->stn_id = cpu_to_le16(sta->aid);
+ cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD);
+ cmd->legacy_rates = cpu_to_le32(sta->supp_rates[IEEE80211_BAND_2GHZ]);
+ if (sta->ht_cap.ht_supported) {
+ cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0];
+ cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1];
+ cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2];
+ cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3];
+ cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap);
+ cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) |
+ ((sta->ht_cap.ampdu_density & 7) << 2);
+ cmd->is_qos_sta = 1;
+ }
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mwl8k_cmd_set_new_stn *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ memcpy(cmd->mac_addr, vif->addr, ETH_ALEN);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, u8 *addr)
+{
+ struct mwl8k_cmd_set_new_stn *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ memcpy(cmd->mac_addr, addr, ETH_ALEN);
+ cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
/*
* CMD_UPDATE_STADB.
*/
u32 status;
status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
- iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
-
if (!status)
return IRQ_NONE;
- if (status & MWL8K_A2H_INT_TX_DONE)
- tasklet_schedule(&priv->tx_reclaim_task);
+ if (status & MWL8K_A2H_INT_TX_DONE) {
+ status &= ~MWL8K_A2H_INT_TX_DONE;
+ tasklet_schedule(&priv->poll_tx_task);
+ }
if (status & MWL8K_A2H_INT_RX_READY) {
- while (rxq_process(hw, 0, 1))
- rxq_refill(hw, 0, 1);
+ status &= ~MWL8K_A2H_INT_RX_READY;
+ tasklet_schedule(&priv->poll_rx_task);
}
+ if (status)
+ iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
+
if (status & MWL8K_A2H_INT_OPC_DONE) {
if (priv->hostcmd_wait != NULL)
complete(priv->hostcmd_wait);
return IRQ_HANDLED;
}
+static void mwl8k_tx_poll(unsigned long data)
+{
+ struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
+ struct mwl8k_priv *priv = hw->priv;
+ int limit;
+ int i;
+
+ limit = 32;
+
+ spin_lock_bh(&priv->tx_lock);
+
+ for (i = 0; i < MWL8K_TX_QUEUES; i++)
+ limit -= mwl8k_txq_reclaim(hw, i, limit, 0);
+
+ if (!priv->pending_tx_pkts && priv->tx_wait != NULL) {
+ complete(priv->tx_wait);
+ priv->tx_wait = NULL;
+ }
+
+ spin_unlock_bh(&priv->tx_lock);
+
+ if (limit) {
+ writel(~MWL8K_A2H_INT_TX_DONE,
+ priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
+ } else {
+ tasklet_schedule(&priv->poll_tx_task);
+ }
+}
+
+static void mwl8k_rx_poll(unsigned long data)
+{
+ struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
+ struct mwl8k_priv *priv = hw->priv;
+ int limit;
+
+ limit = 32;
+ limit -= rxq_process(hw, 0, limit);
+ limit -= rxq_refill(hw, 0, limit);
+
+ if (limit) {
+ writel(~MWL8K_A2H_INT_RX_READY,
+ priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
+ } else {
+ tasklet_schedule(&priv->poll_rx_task);
+ }
+}
+
/*
* Core driver operations.
return -EIO;
}
- /* Enable tx reclaim tasklet */
- tasklet_enable(&priv->tx_reclaim_task);
+ /* Enable TX reclaim and RX tasklets. */
+ tasklet_enable(&priv->poll_tx_task);
+ tasklet_enable(&priv->poll_rx_task);
/* Enable interrupts */
iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
if (rc) {
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
free_irq(priv->pdev->irq, hw);
- tasklet_disable(&priv->tx_reclaim_task);
+ tasklet_disable(&priv->poll_tx_task);
+ tasklet_disable(&priv->poll_rx_task);
}
return rc;
if (priv->beacon_skb != NULL)
dev_kfree_skb(priv->beacon_skb);
- /* Stop tx reclaim tasklet */
- tasklet_disable(&priv->tx_reclaim_task);
+ /* Stop TX reclaim and RX tasklets. */
+ tasklet_disable(&priv->poll_tx_task);
+ tasklet_disable(&priv->poll_rx_task);
/* Return all skbs to mac80211 */
for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_reclaim(hw, i, 1);
+ mwl8k_txq_reclaim(hw, i, INT_MAX, 1);
}
static int mwl8k_add_interface(struct ieee80211_hw *hw,
if (priv->vif != NULL)
return -EBUSY;
- /*
- * We only support managed interfaces for now.
- */
- if (vif->type != NL80211_IFTYPE_STATION)
- return -EINVAL;
-
/*
* Reject interface creation if sniffer mode is active, as
* STA operation is mutually exclusive with hardware sniffer
- * mode.
+ * mode. (Sniffer mode is only used on STA firmware.)
*/
if (priv->sniffer_enabled) {
printk(KERN_INFO "%s: unable to create STA "
return -EINVAL;
}
+ /* Set the mac address. */
+ mwl8k_cmd_set_mac_addr(hw, vif->addr);
+
+ if (priv->ap_fw)
+ mwl8k_cmd_set_new_stn_add_self(hw, vif);
+
/* Clean out driver private area */
mwl8k_vif = MWL8K_VIF(vif);
memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
- /* Set and save the mac address */
- mwl8k_cmd_set_mac_addr(hw, vif->addr);
- memcpy(mwl8k_vif->mac_addr, vif->addr, ETH_ALEN);
-
/* Set Initial sequence number to zero */
mwl8k_vif->seqno = 0;
{
struct mwl8k_priv *priv = hw->priv;
- if (priv->vif == NULL)
- return;
+ if (priv->ap_fw)
+ mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr);
mwl8k_cmd_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
return rc;
}
-static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info,
- u32 changed)
+static void
+mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info, u32 changed)
{
struct mwl8k_priv *priv = hw->priv;
u32 ap_legacy_rates;
if (rc)
goto out;
- rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
- MWL8K_UCAST_RATE, NULL);
+ rc = mwl8k_cmd_use_fixed_rate_sta(hw);
if (rc)
goto out;
}
mwl8k_fw_unlock(hw);
}
+static void
+mwl8k_bss_info_changed_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info, u32 changed)
+{
+ int rc;
+
+ if (mwl8k_fw_lock(hw))
+ return;
+
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ rc = mwl8k_set_radio_preamble(hw,
+ vif->bss_conf.use_short_preamble);
+ if (rc)
+ goto out;
+ }
+
+ if (changed & BSS_CHANGED_BASIC_RATES) {
+ int idx;
+ int rate;
+
+ /*
+ * Use lowest supported basic rate for multicasts
+ * and management frames (such as probe responses --
+ * beacons will always go out at 1 Mb/s).
+ */
+ idx = ffs(vif->bss_conf.basic_rates);
+ rate = idx ? mwl8k_rates[idx - 1].hw_value : 2;
+
+ mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate);
+ }
+
+ if (changed & (BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON)) {
+ struct sk_buff *skb;
+
+ skb = ieee80211_beacon_get(hw, vif);
+ if (skb != NULL) {
+ mwl8k_cmd_set_beacon(hw, skb->data, skb->len);
+ kfree_skb(skb);
+ }
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED)
+ mwl8k_cmd_bss_start(hw, info->enable_beacon);
+
+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)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ if (!priv->ap_fw)
+ mwl8k_bss_info_changed_sta(hw, vif, info, changed);
+ else
+ mwl8k_bss_info_changed_ap(hw, vif, info, changed);
+}
+
static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,
int mc_count, struct dev_addr_list *mclist)
{
/* Clear unsupported feature flags */
*total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
- if (mwl8k_fw_lock(hw))
+ if (mwl8k_fw_lock(hw)) {
+ kfree(cmd);
return;
+ }
if (priv->sniffer_enabled) {
mwl8k_cmd_enable_sniffer(hw, 0);
static int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
- return mwl8k_cmd_set_rts_threshold(hw, MWL8K_CMD_SET, value);
+ return mwl8k_cmd_set_rts_threshold(hw, value);
}
struct mwl8k_sta_notify_item
struct ieee80211_sta sta;
};
+static void
+mwl8k_do_sta_notify(struct ieee80211_hw *hw, struct mwl8k_sta_notify_item *s)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ /*
+ * STA firmware uses UPDATE_STADB, AP firmware uses SET_NEW_STN.
+ */
+ if (!priv->ap_fw && s->cmd == STA_NOTIFY_ADD) {
+ int rc;
+
+ rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta);
+ if (rc >= 0) {
+ struct ieee80211_sta *sta;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(s->vif, s->sta.addr);
+ if (sta != NULL)
+ MWL8K_STA(sta)->peer_id = rc;
+ rcu_read_unlock();
+ }
+ } else if (!priv->ap_fw && s->cmd == STA_NOTIFY_REMOVE) {
+ mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr);
+ } else if (priv->ap_fw && s->cmd == STA_NOTIFY_ADD) {
+ mwl8k_cmd_set_new_stn_add(hw, s->vif, &s->sta);
+ } else if (priv->ap_fw && s->cmd == STA_NOTIFY_REMOVE) {
+ mwl8k_cmd_set_new_stn_del(hw, s->vif, s->sta.addr);
+ }
+}
+
static void mwl8k_sta_notify_worker(struct work_struct *work)
{
struct mwl8k_priv *priv =
spin_unlock_bh(&priv->sta_notify_list_lock);
- if (s->cmd == STA_NOTIFY_ADD) {
- int rc;
-
- rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta);
- if (rc >= 0) {
- struct ieee80211_sta *sta;
-
- rcu_read_lock();
- sta = ieee80211_find_sta(s->vif, s->sta.addr);
- if (sta != NULL)
- MWL8K_STA(sta)->peer_id = rc;
- rcu_read_unlock();
- }
- } else {
- mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr);
- }
-
+ mwl8k_do_sta_notify(hw, s);
kfree(s);
spin_lock_bh(&priv->sta_notify_list_lock);
return mwl8k_cmd_get_stat(hw, stats);
}
+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)
+{
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ case IEEE80211_AMPDU_RX_STOP:
+ if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION))
+ return -ENOTSUPP;
+ return 0;
+ default:
+ return -ENOTSUPP;
+ }
+}
+
static const struct ieee80211_ops mwl8k_ops = {
.tx = mwl8k_tx,
.start = mwl8k_start,
.conf_tx = mwl8k_conf_tx,
.get_tx_stats = mwl8k_get_tx_stats,
.get_stats = mwl8k_get_stats,
+ .ampdu_action = mwl8k_ampdu_action,
};
-static void mwl8k_tx_reclaim_handler(unsigned long data)
-{
- int i;
- struct ieee80211_hw *hw = (struct ieee80211_hw *) data;
- struct mwl8k_priv *priv = hw->priv;
-
- spin_lock_bh(&priv->tx_lock);
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_reclaim(hw, i, 0);
-
- if (priv->tx_wait != NULL && !priv->pending_tx_pkts) {
- complete(priv->tx_wait);
- priv->tx_wait = NULL;
- }
- spin_unlock_bh(&priv->tx_lock);
-}
-
static void mwl8k_finalize_join_worker(struct work_struct *work)
{
struct mwl8k_priv *priv =
/* Finalize join worker */
INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker);
- /* TX reclaim tasklet */
- tasklet_init(&priv->tx_reclaim_task,
- mwl8k_tx_reclaim_handler, (unsigned long)hw);
- tasklet_disable(&priv->tx_reclaim_task);
+ /* 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);
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS);
iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
- iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL);
+ iowrite32(MWL8K_A2H_INT_TX_DONE | MWL8K_A2H_INT_RX_READY,
+ priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL);
iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK);
rc = request_irq(priv->pdev->irq, mwl8k_interrupt,
/*
* Temporarily enable interrupts. Initial firmware host
- * commands use interrupts and avoids polling. Disable
+ * commands use interrupts and avoid polling. Disable
* interrupts when done.
*/
iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
rc = mwl8k_cmd_get_hw_spec_ap(hw);
if (!rc)
rc = mwl8k_cmd_set_hw_spec(hw);
+
+ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_AP);
} else {
rc = mwl8k_cmd_get_hw_spec_sta(hw);
ieee80211_unregister_hw(hw);
- /* Remove tx reclaim tasklet */
- tasklet_kill(&priv->tx_reclaim_task);
+ /* Remove TX reclaim and RX tasklets. */
+ tasklet_kill(&priv->poll_tx_task);
+ tasklet_kill(&priv->poll_rx_task);
/* Stop hardware */
mwl8k_hw_reset(priv);
/* Return all skbs to mac80211 */
for (i = 0; i < MWL8K_TX_QUEUES; i++)
- mwl8k_txq_reclaim(hw, i, 1);
+ mwl8k_txq_reclaim(hw, i, INT_MAX, 1);
for (i = 0; i < MWL8K_TX_QUEUES; i++)
mwl8k_txq_deinit(hw, i);
projects / deliverable / linux.git / blobdiff