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path: root/drivers/net/wireless/iwlegacy/4965-mac.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/4965-mac.c')
-rw-r--r--drivers/net/wireless/iwlegacy/4965-mac.c1058
1 files changed, 680 insertions, 378 deletions
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 1667232af64..7b54dbb338b 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -199,18 +199,14 @@ il4965_hw_nic_init(struct il_priv *il)
struct il_rx_queue *rxq = &il->rxq;
int ret;
- /* nic_init */
spin_lock_irqsave(&il->lock, flags);
- il->cfg->ops->lib->apm_ops.init(il);
-
+ il_apm_init(il);
/* Set interrupt coalescing calibration timer to default (512 usecs) */
il_write8(il, CSR_INT_COALESCING, IL_HOST_INT_CALIB_TIMEOUT_DEF);
-
spin_unlock_irqrestore(&il->lock, flags);
il4965_set_pwr_vmain(il);
-
- il->cfg->ops->lib->apm_ops.config(il);
+ il4965_nic_config(il);
/* Allocate the RX queue, or reset if it is already allocated */
if (!rxq->bd) {
@@ -445,11 +441,15 @@ il4965_rx_queue_free(struct il_priv *il, struct il_rx_queue *rxq)
int
il4965_rxq_stop(struct il_priv *il)
{
+ int ret;
- /* stop Rx DMA */
- il_wr(il, FH49_MEM_RCSR_CHNL0_CONFIG_REG, 0);
- il_poll_bit(il, FH49_MEM_RSSR_RX_STATUS_REG,
- FH49_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000);
+ _il_wr(il, FH49_MEM_RCSR_CHNL0_CONFIG_REG, 0);
+ ret = _il_poll_bit(il, FH49_MEM_RSSR_RX_STATUS_REG,
+ FH49_RSSR_CHNL0_RX_STATUS_CHNL_IDLE,
+ FH49_RSSR_CHNL0_RX_STATUS_CHNL_IDLE,
+ 1000);
+ if (ret < 0)
+ IL_ERR("Can't stop Rx DMA.\n");
return 0;
}
@@ -692,7 +692,6 @@ il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb)
/* Find max signal strength (dBm) among 3 antenna/receiver chains */
rx_status.signal = il4965_calc_rssi(il, phy_res);
- il_dbg_log_rx_data_frame(il, len, header);
D_STATS("Rssi %d, TSF %llu\n", rx_status.signal,
(unsigned long long)rx_status.mactime);
@@ -843,7 +842,6 @@ il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif)
.flags = CMD_SIZE_HUGE,
};
struct il_scan_cmd *scan;
- struct il_rxon_context *ctx = &il->ctx;
u32 rate_flags = 0;
u16 cmd_len;
u16 rx_chain = 0;
@@ -859,8 +857,6 @@ il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif)
lockdep_assert_held(&il->mutex);
- ctx = il_rxon_ctx_from_vif(vif);
-
if (!il->scan_cmd) {
il->scan_cmd =
kmalloc(sizeof(struct il_scan_cmd) + IL_MAX_SCAN_SIZE,
@@ -919,15 +915,14 @@ il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif)
D_SCAN("Start passive scan.\n");
scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
- scan->tx_cmd.sta_id = ctx->bcast_sta_id;
+ scan->tx_cmd.sta_id = il->hw_params.bcast_id;
scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
switch (il->scan_band) {
case IEEE80211_BAND_2GHZ:
scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
chan_mod =
- le32_to_cpu(il->ctx.active.
- flags & RXON_FLG_CHANNEL_MODE_MSK) >>
+ le32_to_cpu(il->active.flags & RXON_FLG_CHANNEL_MODE_MSK) >>
RXON_FLG_CHANNEL_MODE_POS;
if (chan_mod == CHANNEL_MODE_PURE_40) {
rate = RATE_6M_PLCP;
@@ -1034,8 +1029,7 @@ il4965_manage_ibss_station(struct il_priv *il, struct ieee80211_vif *vif,
struct il_vif_priv *vif_priv = (void *)vif->drv_priv;
if (add)
- return il4965_add_bssid_station(il, vif_priv->ctx,
- vif->bss_conf.bssid,
+ return il4965_add_bssid_station(il, vif->bss_conf.bssid,
&vif_priv->ibss_bssid_sta_id);
return il_remove_station(il, vif_priv->ibss_bssid_sta_id,
vif->bss_conf.bssid);
@@ -1128,7 +1122,7 @@ il4965_count_chain_bitmap(u32 chain_bitmap)
* This should not be used for scan command ... it puts data in wrong place.
*/
void
-il4965_set_rxon_chain(struct il_priv *il, struct il_rxon_context *ctx)
+il4965_set_rxon_chain(struct il_priv *il)
{
bool is_single = il4965_is_single_rx_stream(il);
bool is_cam = !test_bit(S_POWER_PMI, &il->status);
@@ -1164,14 +1158,14 @@ il4965_set_rxon_chain(struct il_priv *il, struct il_rxon_context *ctx)
rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS;
rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS;
- ctx->staging.rx_chain = cpu_to_le16(rx_chain);
+ il->staging.rx_chain = cpu_to_le16(rx_chain);
if (!is_single && active_rx_cnt >= IL_NUM_RX_CHAINS_SINGLE && is_cam)
- ctx->staging.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
+ il->staging.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
else
- ctx->staging.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
+ il->staging.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
- D_ASSOC("rx_chain=0x%X active=%d idle=%d\n", ctx->staging.rx_chain,
+ D_ASSOC("rx_chain=0x%X active=%d idle=%d\n", il->staging.rx_chain,
active_rx_cnt, idle_rx_cnt);
WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 ||
@@ -1348,12 +1342,11 @@ il4965_accumulative_stats(struct il_priv *il, __le32 * stats)
}
#endif
-#define REG_RECALIB_PERIOD (60)
-
void
il4965_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb)
{
- int change;
+ const int recalib_seconds = 60;
+ bool change;
struct il_rx_pkt *pkt = rxb_addr(rxb);
D_RX("Statistics notification received (%d vs %d).\n",
@@ -1374,20 +1367,21 @@ il4965_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb)
set_bit(S_STATS, &il->status);
- /* Reschedule the stats timer to occur in
- * REG_RECALIB_PERIOD seconds to ensure we get a
- * thermal update even if the uCode doesn't give
- * us one */
+ /*
+ * Reschedule the stats timer to occur in recalib_seconds to ensure
+ * we get a thermal update even if the uCode doesn't give us one
+ */
mod_timer(&il->stats_periodic,
- jiffies + msecs_to_jiffies(REG_RECALIB_PERIOD * 1000));
+ jiffies + msecs_to_jiffies(recalib_seconds * 1000));
if (unlikely(!test_bit(S_SCANNING, &il->status)) &&
(pkt->hdr.cmd == N_STATS)) {
il4965_rx_calc_noise(il);
queue_work(il->workqueue, &il->run_time_calib_work);
}
- if (il->cfg->ops->lib->temp_ops.temperature && change)
- il->cfg->ops->lib->temp_ops.temperature(il);
+
+ if (change)
+ il4965_temperature_calib(il);
}
void
@@ -1457,10 +1451,17 @@ il4965_get_ac_from_tid(u16 tid)
}
static inline int
-il4965_get_fifo_from_tid(struct il_rxon_context *ctx, u16 tid)
+il4965_get_fifo_from_tid(u16 tid)
{
+ const u8 ac_to_fifo[] = {
+ IL_TX_FIFO_VO,
+ IL_TX_FIFO_VI,
+ IL_TX_FIFO_BE,
+ IL_TX_FIFO_BK,
+ };
+
if (likely(tid < ARRAY_SIZE(tid_to_ac)))
- return ctx->ac_to_fifo[tid_to_ac[tid]];
+ return ac_to_fifo[tid_to_ac[tid]];
/* no support for TIDs 8-15 yet */
return -EINVAL;
@@ -1639,7 +1640,6 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
struct il_device_cmd *out_cmd;
struct il_cmd_meta *out_meta;
struct il_tx_cmd *tx_cmd;
- struct il_rxon_context *ctx = &il->ctx;
int txq_id;
dma_addr_t phys_addr;
dma_addr_t txcmd_phys;
@@ -1655,9 +1655,6 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
unsigned long flags;
bool is_agg = false;
- if (info->control.vif)
- ctx = il_rxon_ctx_from_vif(info->control.vif);
-
spin_lock_irqsave(&il->lock, flags);
if (il_is_rfkill(il)) {
D_DROP("Dropping - RF KILL\n");
@@ -1679,10 +1676,10 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
/* For management frames use broadcast id to do not break aggregation */
if (!ieee80211_is_data(fc))
- sta_id = ctx->bcast_sta_id;
+ sta_id = il->hw_params.bcast_id;
else {
/* Find idx into station table for destination station */
- sta_id = il_sta_id_or_broadcast(il, ctx, info->control.sta);
+ sta_id = il_sta_id_or_broadcast(il, info->control.sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
@@ -1696,7 +1693,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
sta_priv = (void *)sta->drv_priv;
if (sta_priv && sta_priv->asleep &&
- (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
+ (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
/*
* This sends an asynchronous command to the device,
* but we can rely on it being processed before the
@@ -1709,19 +1706,11 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
il4965_sta_modify_sleep_tx_count(il, sta_id, 1);
}
- /*
- * Send this frame after DTIM -- there's a special queue
- * reserved for this for contexts that support AP mode.
- */
- if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
- txq_id = ctx->mcast_queue;
- /*
- * The microcode will clear the more data
- * bit in the last frame it transmits.
- */
- hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
- } else
- txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
+ /* FIXME: remove me ? */
+ WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM);
+
+ /* Access category (AC) is also the queue number */
+ txq_id = skb_get_queue_mapping(skb);
/* irqs already disabled/saved above when locking il->lock */
spin_lock(&il->sta_lock);
@@ -1763,10 +1752,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
spin_unlock(&il->sta_lock);
- /* Set up driver data for this TFD */
- memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct il_tx_info));
- txq->txb[q->write_ptr].skb = skb;
- txq->txb[q->write_ptr].ctx = ctx;
+ txq->skbs[q->write_ptr] = skb;
/* Set up first empty entry in queue's array of Tx/cmd buffers */
out_cmd = txq->cmd[q->write_ptr];
@@ -1798,7 +1784,6 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
/* TODO need this for burst mode later on */
il4965_tx_cmd_build_basic(il, skb, tx_cmd, info, hdr, sta_id);
- il_dbg_log_tx_data_frame(il, len, hdr);
il4965_tx_cmd_build_rate(il, tx_cmd, info, fc);
@@ -1828,8 +1813,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
dma_unmap_len_set(out_meta, len, firstlen);
/* Add buffer containing Tx command and MAC(!) header to TFD's
* first entry */
- il->cfg->ops->lib->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen,
- 1, 0);
+ il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0);
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
@@ -1845,8 +1829,8 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
phys_addr =
pci_map_single(il->pci_dev, skb->data + hdr_len, secondlen,
PCI_DMA_TODEVICE);
- il->cfg->ops->lib->txq_attach_buf_to_tfd(il, txq, phys_addr,
- secondlen, 0, 0);
+ il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, secondlen,
+ 0, 0);
}
scratch_phys =
@@ -1866,9 +1850,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
/* Set up entry for this TFD in Tx byte-count array */
if (info->flags & IEEE80211_TX_CTL_AMPDU)
- il->cfg->ops->lib->txq_update_byte_cnt_tbl(il, txq,
- le16_to_cpu(tx_cmd->
- len));
+ il->ops->txq_update_byte_cnt_tbl(il, txq, le16_to_cpu(tx_cmd->len));
pci_dma_sync_single_for_device(il->pci_dev, txcmd_phys, firstlen,
PCI_DMA_BIDIRECTIONAL);
@@ -1957,7 +1939,7 @@ il4965_hw_txq_ctx_free(struct il_priv *il)
il4965_free_dma_ptr(il, &il->scd_bc_tbls);
/* free tx queue structure */
- il_txq_mem(il);
+ il_free_txq_mem(il);
}
/**
@@ -1970,8 +1952,7 @@ il4965_hw_txq_ctx_free(struct il_priv *il)
int
il4965_txq_ctx_alloc(struct il_priv *il)
{
- int ret;
- int txq_id, slots_num;
+ int ret, txq_id;
unsigned long flags;
/* Free all tx/cmd queues and keep-warm buffer */
@@ -2008,10 +1989,7 @@ il4965_txq_ctx_alloc(struct il_priv *il)
/* Alloc and init all Tx queues, including the command queue (#4/#9) */
for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) {
- slots_num =
- (txq_id ==
- il->cmd_queue) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
- ret = il_tx_queue_init(il, &il->txq[txq_id], slots_num, txq_id);
+ ret = il_tx_queue_init(il, txq_id);
if (ret) {
IL_ERR("Tx %d queue init failed\n", txq_id);
goto error;
@@ -2032,52 +2010,27 @@ error_bc_tbls:
void
il4965_txq_ctx_reset(struct il_priv *il)
{
- int txq_id, slots_num;
+ int txq_id;
unsigned long flags;
spin_lock_irqsave(&il->lock, flags);
/* Turn off all Tx DMA fifos */
il4965_txq_set_sched(il, 0);
-
/* Tell NIC where to find the "keep warm" buffer */
il_wr(il, FH49_KW_MEM_ADDR_REG, il->kw.dma >> 4);
spin_unlock_irqrestore(&il->lock, flags);
/* Alloc and init all Tx queues, including the command queue (#4) */
- for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) {
- slots_num =
- txq_id == il->cmd_queue ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
- il_tx_queue_reset(il, &il->txq[txq_id], slots_num, txq_id);
- }
+ for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++)
+ il_tx_queue_reset(il, txq_id);
}
-/**
- * il4965_txq_ctx_stop - Stop all Tx DMA channels
- */
void
-il4965_txq_ctx_stop(struct il_priv *il)
+il4965_txq_ctx_unmap(struct il_priv *il)
{
- int ch, txq_id;
- unsigned long flags;
-
- /* Turn off all Tx DMA fifos */
- spin_lock_irqsave(&il->lock, flags);
-
- il4965_txq_set_sched(il, 0);
-
- /* Stop each Tx DMA channel, and wait for it to be idle */
- for (ch = 0; ch < il->hw_params.dma_chnl_num; ch++) {
- il_wr(il, FH49_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0);
- if (il_poll_bit
- (il, FH49_TSSR_TX_STATUS_REG,
- FH49_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), 1000))
- IL_ERR("Failing on timeout while stopping"
- " DMA channel %d [0x%08x]", ch,
- il_rd(il, FH49_TSSR_TX_STATUS_REG));
- }
- spin_unlock_irqrestore(&il->lock, flags);
+ int txq_id;
if (!il->txq)
return;
@@ -2090,6 +2043,30 @@ il4965_txq_ctx_stop(struct il_priv *il)
il_tx_queue_unmap(il, txq_id);
}
+/**
+ * il4965_txq_ctx_stop - Stop all Tx DMA channels
+ */
+void
+il4965_txq_ctx_stop(struct il_priv *il)
+{
+ int ch, ret;
+
+ _il_wr_prph(il, IL49_SCD_TXFACT, 0);
+
+ /* Stop each Tx DMA channel, and wait for it to be idle */
+ for (ch = 0; ch < il->hw_params.dma_chnl_num; ch++) {
+ _il_wr(il, FH49_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0);
+ ret =
+ _il_poll_bit(il, FH49_TSSR_TX_STATUS_REG,
+ FH49_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch),
+ FH49_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch),
+ 1000);
+ if (ret < 0)
+ IL_ERR("Timeout stopping DMA channel %d [0x%08x]",
+ ch, _il_rd(il, FH49_TSSR_TX_STATUS_REG));
+ }
+}
+
/*
* Find first available (lowest unused) Tx Queue, mark it "active".
* Called only when finding queue for aggregation.
@@ -2163,11 +2140,11 @@ il4965_txq_agg_enable(struct il_priv *il, int txq_id, int tx_fifo, int sta_id,
if ((IL49_FIRST_AMPDU_QUEUE > txq_id) ||
(IL49_FIRST_AMPDU_QUEUE +
- il->cfg->base_params->num_of_ampdu_queues <= txq_id)) {
+ il->cfg->num_of_ampdu_queues <= txq_id)) {
IL_WARN("queue number out of range: %d, must be %d to %d\n",
txq_id, IL49_FIRST_AMPDU_QUEUE,
IL49_FIRST_AMPDU_QUEUE +
- il->cfg->base_params->num_of_ampdu_queues - 1);
+ il->cfg->num_of_ampdu_queues - 1);
return -EINVAL;
}
@@ -2230,7 +2207,8 @@ il4965_tx_agg_start(struct il_priv *il, struct ieee80211_vif *vif,
unsigned long flags;
struct il_tid_data *tid_data;
- tx_fifo = il4965_get_fifo_from_tid(il_rxon_ctx_from_vif(vif), tid);
+ /* FIXME: warning if tx fifo not found ? */
+ tx_fifo = il4965_get_fifo_from_tid(tid);
if (unlikely(tx_fifo < 0))
return tx_fifo;
@@ -2290,11 +2268,11 @@ il4965_txq_agg_disable(struct il_priv *il, u16 txq_id, u16 ssn_idx, u8 tx_fifo)
{
if ((IL49_FIRST_AMPDU_QUEUE > txq_id) ||
(IL49_FIRST_AMPDU_QUEUE +
- il->cfg->base_params->num_of_ampdu_queues <= txq_id)) {
+ il->cfg->num_of_ampdu_queues <= txq_id)) {
IL_WARN("queue number out of range: %d, must be %d to %d\n",
txq_id, IL49_FIRST_AMPDU_QUEUE,
IL49_FIRST_AMPDU_QUEUE +
- il->cfg->base_params->num_of_ampdu_queues - 1);
+ il->cfg->num_of_ampdu_queues - 1);
return -EINVAL;
}
@@ -2323,7 +2301,8 @@ il4965_tx_agg_stop(struct il_priv *il, struct ieee80211_vif *vif,
int write_ptr, read_ptr;
unsigned long flags;
- tx_fifo_id = il4965_get_fifo_from_tid(il_rxon_ctx_from_vif(vif), tid);
+ /* FIXME: warning if tx_fifo_id not found ? */
+ tx_fifo_id = il4965_get_fifo_from_tid(tid);
if (unlikely(tx_fifo_id < 0))
return tx_fifo_id;
@@ -2397,9 +2376,6 @@ il4965_txq_check_empty(struct il_priv *il, int sta_id, u8 tid, int txq_id)
struct il_queue *q = &il->txq[txq_id].q;
u8 *addr = il->stations[sta_id].sta.sta.addr;
struct il_tid_data *tid_data = &il->stations[sta_id].tid[tid];
- struct il_rxon_context *ctx;
-
- ctx = &il->ctx;
lockdep_assert_held(&il->sta_lock);
@@ -2410,11 +2386,11 @@ il4965_txq_check_empty(struct il_priv *il, int sta_id, u8 tid, int txq_id)
if (txq_id == tid_data->agg.txq_id &&
q->read_ptr == q->write_ptr) {
u16 ssn = SEQ_TO_SN(tid_data->seq_number);
- int tx_fifo = il4965_get_fifo_from_tid(ctx, tid);
+ int tx_fifo = il4965_get_fifo_from_tid(tid);
D_HT("HW queue empty: continue DELBA flow\n");
il4965_txq_agg_disable(il, txq_id, ssn, tx_fifo);
tid_data->agg.state = IL_AGG_OFF;
- ieee80211_stop_tx_ba_cb_irqsafe(ctx->vif, addr, tid);
+ ieee80211_stop_tx_ba_cb_irqsafe(il->vif, addr, tid);
}
break;
case IL_EMPTYING_HW_QUEUE_ADDBA:
@@ -2422,7 +2398,7 @@ il4965_txq_check_empty(struct il_priv *il, int sta_id, u8 tid, int txq_id)
if (tid_data->tfds_in_queue == 0) {
D_HT("HW queue empty: continue ADDBA flow\n");
tid_data->agg.state = IL_AGG_ON;
- ieee80211_start_tx_ba_cb_irqsafe(ctx->vif, addr, tid);
+ ieee80211_start_tx_ba_cb_irqsafe(il->vif, addr, tid);
}
break;
}
@@ -2431,14 +2407,13 @@ il4965_txq_check_empty(struct il_priv *il, int sta_id, u8 tid, int txq_id)
}
static void
-il4965_non_agg_tx_status(struct il_priv *il, struct il_rxon_context *ctx,
- const u8 *addr1)
+il4965_non_agg_tx_status(struct il_priv *il, const u8 *addr1)
{
struct ieee80211_sta *sta;
struct il_station_priv *sta_priv;
rcu_read_lock();
- sta = ieee80211_find_sta(ctx->vif, addr1);
+ sta = ieee80211_find_sta(il->vif, addr1);
if (sta) {
sta_priv = (void *)sta->drv_priv;
/* avoid atomic ops if this isn't a client */
@@ -2450,14 +2425,14 @@ il4965_non_agg_tx_status(struct il_priv *il, struct il_rxon_context *ctx,
}
static void
-il4965_tx_status(struct il_priv *il, struct il_tx_info *tx_info, bool is_agg)
+il4965_tx_status(struct il_priv *il, struct sk_buff *skb, bool is_agg)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (!is_agg)
- il4965_non_agg_tx_status(il, tx_info->ctx, hdr->addr1);
+ il4965_non_agg_tx_status(il, hdr->addr1);
- ieee80211_tx_status_irqsafe(il->hw, tx_info->skb);
+ ieee80211_tx_status_irqsafe(il->hw, skb);
}
int
@@ -2465,9 +2440,9 @@ il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx)
{
struct il_tx_queue *txq = &il->txq[txq_id];
struct il_queue *q = &txq->q;
- struct il_tx_info *tx_info;
int nfreed = 0;
struct ieee80211_hdr *hdr;
+ struct sk_buff *skb;
if (idx >= q->n_bd || il_queue_used(q, idx) == 0) {
IL_ERR("Read idx for DMA queue txq id (%d), idx %d, "
@@ -2479,20 +2454,19 @@ il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx)
for (idx = il_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx;
q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) {
- tx_info = &txq->txb[txq->q.read_ptr];
+ skb = txq->skbs[txq->q.read_ptr];
- if (WARN_ON_ONCE(tx_info->skb == NULL))
+ if (WARN_ON_ONCE(skb == NULL))
continue;
- hdr = (struct ieee80211_hdr *)tx_info->skb->data;
+ hdr = (struct ieee80211_hdr *) skb->data;
if (ieee80211_is_data_qos(hdr->frame_control))
nfreed++;
- il4965_tx_status(il, tx_info,
- txq_id >= IL4965_FIRST_AMPDU_QUEUE);
- tx_info->skb = NULL;
+ il4965_tx_status(il, skb, txq_id >= IL4965_FIRST_AMPDU_QUEUE);
- il->cfg->ops->lib->txq_free_tfd(il, txq);
+ txq->skbs[txq->q.read_ptr] = NULL;
+ il->ops->txq_free_tfd(il, txq);
}
return nfreed;
}
@@ -2555,7 +2529,7 @@ il4965_tx_status_reply_compressed_ba(struct il_priv *il, struct il_ht_agg *agg,
D_TX_REPLY("Bitmap %llx\n", (unsigned long long)bitmap);
- info = IEEE80211_SKB_CB(il->txq[scd_flow].txb[agg->start_idx].skb);
+ info = IEEE80211_SKB_CB(il->txq[scd_flow].skbs[agg->start_idx]);
memset(&info->status, 0, sizeof(info->status));
info->flags |= IEEE80211_TX_STAT_ACK;
info->flags |= IEEE80211_TX_STAT_AMPDU;
@@ -2566,6 +2540,308 @@ il4965_tx_status_reply_compressed_ba(struct il_priv *il, struct il_ht_agg *agg,
return 0;
}
+static inline bool
+il4965_is_tx_success(u32 status)
+{
+ status &= TX_STATUS_MSK;
+ return (status == TX_STATUS_SUCCESS || status == TX_STATUS_DIRECT_DONE);
+}
+
+static u8
+il4965_find_station(struct il_priv *il, const u8 *addr)
+{
+ int i;
+ int start = 0;
+ int ret = IL_INVALID_STATION;
+ unsigned long flags;
+
+ if (il->iw_mode == NL80211_IFTYPE_ADHOC)
+ start = IL_STA_ID;
+
+ if (is_broadcast_ether_addr(addr))
+ return il->hw_params.bcast_id;
+
+ spin_lock_irqsave(&il->sta_lock, flags);
+ for (i = start; i < il->hw_params.max_stations; i++)
+ if (il->stations[i].used &&
+ (!compare_ether_addr(il->stations[i].sta.sta.addr, addr))) {
+ ret = i;
+ goto out;
+ }
+
+ D_ASSOC("can not find STA %pM total %d\n", addr, il->num_stations);
+
+out:
+ /*
+ * It may be possible that more commands interacting with stations
+ * arrive before we completed processing the adding of
+ * station
+ */
+ if (ret != IL_INVALID_STATION &&
+ (!(il->stations[ret].used & IL_STA_UCODE_ACTIVE) ||
+ ((il->stations[ret].used & IL_STA_UCODE_ACTIVE) &&
+ (il->stations[ret].used & IL_STA_UCODE_INPROGRESS)))) {
+ IL_ERR("Requested station info for sta %d before ready.\n",
+ ret);
+ ret = IL_INVALID_STATION;
+ }
+ spin_unlock_irqrestore(&il->sta_lock, flags);
+ return ret;
+}
+
+static int
+il4965_get_ra_sta_id(struct il_priv *il, struct ieee80211_hdr *hdr)
+{
+ if (il->iw_mode == NL80211_IFTYPE_STATION)
+ return IL_AP_ID;
+ else {
+ u8 *da = ieee80211_get_DA(hdr);
+
+ return il4965_find_station(il, da);
+ }
+}
+
+static inline u32
+il4965_get_scd_ssn(struct il4965_tx_resp *tx_resp)
+{
+ return le32_to_cpup(&tx_resp->u.status + tx_resp->frame_count) & MAX_SN;
+}
+
+static inline u32
+il4965_tx_status_to_mac80211(u32 status)
+{
+ status &= TX_STATUS_MSK;
+
+ switch (status) {
+ case TX_STATUS_SUCCESS:
+ case TX_STATUS_DIRECT_DONE:
+ return IEEE80211_TX_STAT_ACK;
+ case TX_STATUS_FAIL_DEST_PS:
+ return IEEE80211_TX_STAT_TX_FILTERED;
+ default:
+ return 0;
+ }
+}
+
+/**
+ * il4965_tx_status_reply_tx - Handle Tx response for frames in aggregation queue
+ */
+static int
+il4965_tx_status_reply_tx(struct il_priv *il, struct il_ht_agg *agg,
+ struct il4965_tx_resp *tx_resp, int txq_id,
+ u16 start_idx)
+{
+ u16 status;
+ struct agg_tx_status *frame_status = tx_resp->u.agg_status;
+ struct ieee80211_tx_info *info = NULL;
+ struct ieee80211_hdr *hdr = NULL;
+ u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
+ int i, sh, idx;
+ u16 seq;
+ if (agg->wait_for_ba)
+ D_TX_REPLY("got tx response w/o block-ack\n");
+
+ agg->frame_count = tx_resp->frame_count;
+ agg->start_idx = start_idx;
+ agg->rate_n_flags = rate_n_flags;
+ agg->bitmap = 0;
+
+ /* num frames attempted by Tx command */
+ if (agg->frame_count == 1) {
+ /* Only one frame was attempted; no block-ack will arrive */
+ status = le16_to_cpu(frame_status[0].status);
+ idx = start_idx;
+
+ D_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
+ agg->frame_count, agg->start_idx, idx);
+
+ info = IEEE80211_SKB_CB(il->txq[txq_id].skbs[idx]);
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
+ info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+ info->flags |= il4965_tx_status_to_mac80211(status);
+ il4965_hwrate_to_tx_control(il, rate_n_flags, info);
+
+ D_TX_REPLY("1 Frame 0x%x failure :%d\n", status & 0xff,
+ tx_resp->failure_frame);
+ D_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags);
+
+ agg->wait_for_ba = 0;
+ } else {
+ /* Two or more frames were attempted; expect block-ack */
+ u64 bitmap = 0;
+ int start = agg->start_idx;
+ struct sk_buff *skb;
+
+ /* Construct bit-map of pending frames within Tx win */
+ for (i = 0; i < agg->frame_count; i++) {
+ u16 sc;
+ status = le16_to_cpu(frame_status[i].status);
+ seq = le16_to_cpu(frame_status[i].sequence);
+ idx = SEQ_TO_IDX(seq);
+ txq_id = SEQ_TO_QUEUE(seq);
+
+ if (status &
+ (AGG_TX_STATE_FEW_BYTES_MSK |
+ AGG_TX_STATE_ABORT_MSK))
+ continue;
+
+ D_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n",
+ agg->frame_count, txq_id, idx);
+
+ skb = il->txq[txq_id].skbs[idx];
+ if (WARN_ON_ONCE(skb == NULL))
+ return -1;
+ hdr = (struct ieee80211_hdr *) skb->data;
+
+ sc = le16_to_cpu(hdr->seq_ctrl);
+ if (idx != (SEQ_TO_SN(sc) & 0xff)) {
+ IL_ERR("BUG_ON idx doesn't match seq control"
+ " idx=%d, seq_idx=%d, seq=%d\n", idx,
+ SEQ_TO_SN(sc), hdr->seq_ctrl);
+ return -1;
+ }
+
+ D_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n", i, idx,
+ SEQ_TO_SN(sc));
+
+ sh = idx - start;
+ if (sh > 64) {
+ sh = (start - idx) + 0xff;
+ bitmap = bitmap << sh;
+ sh = 0;
+ start = idx;
+ } else if (sh < -64)
+ sh = 0xff - (start - idx);
+ else if (sh < 0) {
+ sh = start - idx;
+ start = idx;
+ bitmap = bitmap << sh;
+ sh = 0;
+ }
+ bitmap |= 1ULL << sh;
+ D_TX_REPLY("start=%d bitmap=0x%llx\n", start,
+ (unsigned long long)bitmap);
+ }
+
+ agg->bitmap = bitmap;
+ agg->start_idx = start;
+ D_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
+ agg->frame_count, agg->start_idx,
+ (unsigned long long)agg->bitmap);
+
+ if (bitmap)
+ agg->wait_for_ba = 1;
+ }
+ return 0;
+}
+
+/**
+ * il4965_hdl_tx - Handle standard (non-aggregation) Tx response
+ */
+static void
+il4965_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb)
+{
+ struct il_rx_pkt *pkt = rxb_addr(rxb);
+ u16 sequence = le16_to_cpu(pkt->hdr.sequence);
+ int txq_id = SEQ_TO_QUEUE(sequence);
+ int idx = SEQ_TO_IDX(sequence);
+ struct il_tx_queue *txq = &il->txq[txq_id];
+ struct sk_buff *skb;
+ struct ieee80211_hdr *hdr;
+ struct ieee80211_tx_info *info;
+ struct il4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
+ u32 status = le32_to_cpu(tx_resp->u.status);
+ int uninitialized_var(tid);
+ int sta_id;
+ int freed;
+ u8 *qc = NULL;
+ unsigned long flags;
+
+ if (idx >= txq->q.n_bd || il_queue_used(&txq->q, idx) == 0) {
+ IL_ERR("Read idx for DMA queue txq_id (%d) idx %d "
+ "is out of range [0-%d] %d %d\n", txq_id, idx,
+ txq->q.n_bd, txq->q.write_ptr, txq->q.read_ptr);
+ return;
+ }
+
+ txq->time_stamp = jiffies;
+
+ skb = txq->skbs[txq->q.read_ptr];
+ info = IEEE80211_SKB_CB(skb);
+ memset(&info->status, 0, sizeof(info->status));
+
+ hdr = (struct ieee80211_hdr *) skb->data;
+ if (ieee80211_is_data_qos(hdr->frame_control)) {
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = qc[0] & 0xf;
+ }
+
+ sta_id = il4965_get_ra_sta_id(il, hdr);
+ if (txq->sched_retry && unlikely(sta_id == IL_INVALID_STATION)) {
+ IL_ERR("Station not known\n");
+ return;
+ }
+
+ spin_lock_irqsave(&il->sta_lock, flags);
+ if (txq->sched_retry) {
+ const u32 scd_ssn = il4965_get_scd_ssn(tx_resp);
+ struct il_ht_agg *agg = NULL;
+ WARN_ON(!qc);
+
+ agg = &il->stations[sta_id].tid[tid].agg;
+
+ il4965_tx_status_reply_tx(il, agg, tx_resp, txq_id, idx);
+
+ /* check if BAR is needed */
+ if (tx_resp->frame_count == 1 &&
+ !il4965_is_tx_success(status))
+ info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
+
+ if (txq->q.read_ptr != (scd_ssn & 0xff)) {
+ idx = il_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
+ D_TX_REPLY("Retry scheduler reclaim scd_ssn "
+ "%d idx %d\n", scd_ssn, idx);
+ freed = il4965_tx_queue_reclaim(il, txq_id, idx);
+ if (qc)
+ il4965_free_tfds_in_queue(il, sta_id, tid,
+ freed);
+
+ if (il->mac80211_registered &&
+ il_queue_space(&txq->q) > txq->q.low_mark &&
+ agg->state != IL_EMPTYING_HW_QUEUE_DELBA)
+ il_wake_queue(il, txq);
+ }
+ } else {
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
+ info->flags |= il4965_tx_status_to_mac80211(status);
+ il4965_hwrate_to_tx_control(il,
+ le32_to_cpu(tx_resp->rate_n_flags),
+ info);
+
+ D_TX_REPLY("TXQ %d status %s (0x%08x) "
+ "rate_n_flags 0x%x retries %d\n", txq_id,
+ il4965_get_tx_fail_reason(status), status,
+ le32_to_cpu(tx_resp->rate_n_flags),
+ tx_resp->failure_frame);
+
+ freed = il4965_tx_queue_reclaim(il, txq_id, idx);
+ if (qc && likely(sta_id != IL_INVALID_STATION))
+ il4965_free_tfds_in_queue(il, sta_id, tid, freed);
+ else if (sta_id == IL_INVALID_STATION)
+ D_TX_REPLY("Station not known\n");
+
+ if (il->mac80211_registered &&
+ il_queue_space(&txq->q) > txq->q.low_mark)
+ il_wake_queue(il, txq);
+ }
+ if (qc && likely(sta_id != IL_INVALID_STATION))
+ il4965_txq_check_empty(il, sta_id, tid, txq_id);
+
+ il4965_check_abort_status(il, tx_resp->frame_count, status);
+
+ spin_unlock_irqrestore(&il->sta_lock, flags);
+}
+
/**
* translate ucode response to mac80211 tx status control values
*/
@@ -2771,8 +3047,7 @@ il4965_sta_alloc_lq(struct il_priv *il, u8 sta_id)
* Function sleeps.
*/
int
-il4965_add_bssid_station(struct il_priv *il, struct il_rxon_context *ctx,
- const u8 *addr, u8 *sta_id_r)
+il4965_add_bssid_station(struct il_priv *il, const u8 *addr, u8 *sta_id_r)
{
int ret;
u8 sta_id;
@@ -2782,7 +3057,7 @@ il4965_add_bssid_station(struct il_priv *il, struct il_rxon_context *ctx,
if (sta_id_r)
*sta_id_r = IL_INVALID_STATION;
- ret = il_add_station_common(il, ctx, addr, 0, NULL, &sta_id);
+ ret = il_add_station_common(il, addr, 0, NULL, &sta_id);
if (ret) {
IL_ERR("Unable to add station %pM\n", addr);
return ret;
@@ -2803,7 +3078,7 @@ il4965_add_bssid_station(struct il_priv *il, struct il_rxon_context *ctx,
return -ENOMEM;
}
- ret = il_send_lq_cmd(il, ctx, link_cmd, CMD_SYNC, true);
+ ret = il_send_lq_cmd(il, link_cmd, CMD_SYNC, true);
if (ret)
IL_ERR("Link quality command failed (%d)\n", ret);
@@ -2815,19 +3090,19 @@ il4965_add_bssid_station(struct il_priv *il, struct il_rxon_context *ctx,
}
static int
-il4965_static_wepkey_cmd(struct il_priv *il, struct il_rxon_context *ctx,
- bool send_if_empty)
+il4965_static_wepkey_cmd(struct il_priv *il, bool send_if_empty)
{
- int i, not_empty = 0;
+ int i;
u8 buff[sizeof(struct il_wep_cmd) +
sizeof(struct il_wep_key) * WEP_KEYS_MAX];
struct il_wep_cmd *wep_cmd = (struct il_wep_cmd *)buff;
size_t cmd_size = sizeof(struct il_wep_cmd);
struct il_host_cmd cmd = {
- .id = ctx->wep_key_cmd,
+ .id = C_WEPKEY,
.data = wep_cmd,
.flags = CMD_SYNC,
};
+ bool not_empty = false;
might_sleep();
@@ -2835,24 +3110,23 @@ il4965_static_wepkey_cmd(struct il_priv *il, struct il_rxon_context *ctx,
cmd_size + (sizeof(struct il_wep_key) * WEP_KEYS_MAX));
for (i = 0; i < WEP_KEYS_MAX; i++) {
+ u8 key_size = il->_4965.wep_keys[i].key_size;
+
wep_cmd->key[i].key_idx = i;
- if (ctx->wep_keys[i].key_size) {
+ if (key_size) {
wep_cmd->key[i].key_offset = i;
- not_empty = 1;
- } else {
+ not_empty = true;
+ } else
wep_cmd->key[i].key_offset = WEP_INVALID_OFFSET;
- }
- wep_cmd->key[i].key_size = ctx->wep_keys[i].key_size;
- memcpy(&wep_cmd->key[i].key[3], ctx->wep_keys[i].key,
- ctx->wep_keys[i].key_size);
+ wep_cmd->key[i].key_size = key_size;
+ memcpy(&wep_cmd->key[i].key[3], il->_4965.wep_keys[i].key, key_size);
}
wep_cmd->global_key_type = WEP_KEY_WEP_TYPE;
wep_cmd->num_keys = WEP_KEYS_MAX;
cmd_size += sizeof(struct il_wep_key) * WEP_KEYS_MAX;
-
cmd.len = cmd_size;
if (not_empty || send_if_empty)
@@ -2862,66 +3136,66 @@ il4965_static_wepkey_cmd(struct il_priv *il, struct il_rxon_context *ctx,
}
int
-il4965_restore_default_wep_keys(struct il_priv *il, struct il_rxon_context *ctx)
+il4965_restore_default_wep_keys(struct il_priv *il)
{
lockdep_assert_held(&il->mutex);
- return il4965_static_wepkey_cmd(il, ctx, false);
+ return il4965_static_wepkey_cmd(il, false);
}
int
-il4965_remove_default_wep_key(struct il_priv *il, struct il_rxon_context *ctx,
+il4965_remove_default_wep_key(struct il_priv *il,
struct ieee80211_key_conf *keyconf)
{
int ret;
+ int idx = keyconf->keyidx;
lockdep_assert_held(&il->mutex);
- D_WEP("Removing default WEP key: idx=%d\n", keyconf->keyidx);
+ D_WEP("Removing default WEP key: idx=%d\n", idx);
- memset(&ctx->wep_keys[keyconf->keyidx], 0, sizeof(ctx->wep_keys[0]));
+ memset(&il->_4965.wep_keys[idx], 0, sizeof(struct il_wep_key));
if (il_is_rfkill(il)) {
D_WEP("Not sending C_WEPKEY command due to RFKILL.\n");
/* but keys in device are clear anyway so return success */
return 0;
}
- ret = il4965_static_wepkey_cmd(il, ctx, 1);
- D_WEP("Remove default WEP key: idx=%d ret=%d\n", keyconf->keyidx, ret);
+ ret = il4965_static_wepkey_cmd(il, 1);
+ D_WEP("Remove default WEP key: idx=%d ret=%d\n", idx, ret);
return ret;
}
int
-il4965_set_default_wep_key(struct il_priv *il, struct il_rxon_context *ctx,
+il4965_set_default_wep_key(struct il_priv *il,
struct ieee80211_key_conf *keyconf)
{
int ret;
+ int len = keyconf->keylen;
+ int idx = keyconf->keyidx;
lockdep_assert_held(&il->mutex);
- if (keyconf->keylen != WEP_KEY_LEN_128 &&
- keyconf->keylen != WEP_KEY_LEN_64) {
+ if (len != WEP_KEY_LEN_128 && len != WEP_KEY_LEN_64) {
D_WEP("Bad WEP key length %d\n", keyconf->keylen);
return -EINVAL;
}
keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV;
keyconf->hw_key_idx = HW_KEY_DEFAULT;
- il->stations[ctx->ap_sta_id].keyinfo.cipher = keyconf->cipher;
+ il->stations[IL_AP_ID].keyinfo.cipher = keyconf->cipher;
- ctx->wep_keys[keyconf->keyidx].key_size = keyconf->keylen;
- memcpy(&ctx->wep_keys[keyconf->keyidx].key, &keyconf->key,
- keyconf->keylen);
+ il->_4965.wep_keys[idx].key_size = len;
+ memcpy(&il->_4965.wep_keys[idx].key, &keyconf->key, len);
- ret = il4965_static_wepkey_cmd(il, ctx, false);
- D_WEP("Set default WEP key: len=%d idx=%d ret=%d\n", keyconf->keylen,
- keyconf->keyidx, ret);
+ ret = il4965_static_wepkey_cmd(il, false);
+ D_WEP("Set default WEP key: len=%d idx=%d ret=%d\n", len, idx, ret);
return ret;
}
static int
-il4965_set_wep_dynamic_key_info(struct il_priv *il, struct il_rxon_context *ctx,
+il4965_set_wep_dynamic_key_info(struct il_priv *il,
struct ieee80211_key_conf *keyconf, u8 sta_id)
{
unsigned long flags;
@@ -2939,7 +3213,7 @@ il4965_set_wep_dynamic_key_info(struct il_priv *il, struct il_rxon_context *ctx,
if (keyconf->keylen == WEP_KEY_LEN_128)
key_flags |= STA_KEY_FLG_KEY_SIZE_MSK;
- if (sta_id == ctx->bcast_sta_id)
+ if (sta_id == il->hw_params.bcast_id)
key_flags |= STA_KEY_MULTICAST_MSK;
spin_lock_irqsave(&il->sta_lock, flags);
@@ -2976,7 +3250,6 @@ il4965_set_wep_dynamic_key_info(struct il_priv *il, struct il_rxon_context *ctx,
static int
il4965_set_ccmp_dynamic_key_info(struct il_priv *il,
- struct il_rxon_context *ctx,
struct ieee80211_key_conf *keyconf, u8 sta_id)
{
unsigned long flags;
@@ -2989,7 +3262,7 @@ il4965_set_ccmp_dynamic_key_info(struct il_priv *il,
key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
key_flags &= ~STA_KEY_FLG_INVALID;
- if (sta_id == ctx->bcast_sta_id)
+ if (sta_id == il->hw_params.bcast_id)
key_flags |= STA_KEY_MULTICAST_MSK;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
@@ -3025,7 +3298,6 @@ il4965_set_ccmp_dynamic_key_info(struct il_priv *il,
static int
il4965_set_tkip_dynamic_key_info(struct il_priv *il,
- struct il_rxon_context *ctx,
struct ieee80211_key_conf *keyconf, u8 sta_id)
{
unsigned long flags;
@@ -3036,7 +3308,7 @@ il4965_set_tkip_dynamic_key_info(struct il_priv *il,
key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
key_flags &= ~STA_KEY_FLG_INVALID;
- if (sta_id == ctx->bcast_sta_id)
+ if (sta_id == il->hw_params.bcast_id)
key_flags |= STA_KEY_MULTICAST_MSK;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
@@ -3070,9 +3342,8 @@ il4965_set_tkip_dynamic_key_info(struct il_priv *il,
}
void
-il4965_update_tkip_key(struct il_priv *il, struct il_rxon_context *ctx,
- struct ieee80211_key_conf *keyconf,
- struct ieee80211_sta *sta, u32 iv32, u16 * phase1key)
+il4965_update_tkip_key(struct il_priv *il, struct ieee80211_key_conf *keyconf,
+ struct ieee80211_sta *sta, u32 iv32, u16 *phase1key)
{
u8 sta_id;
unsigned long flags;
@@ -3084,7 +3355,7 @@ il4965_update_tkip_key(struct il_priv *il, struct il_rxon_context *ctx,
return;
}
- sta_id = il_sta_id_or_broadcast(il, ctx, sta);
+ sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION)
return;
@@ -3102,11 +3373,10 @@ il4965_update_tkip_key(struct il_priv *il, struct il_rxon_context *ctx,
il_send_add_sta(il, &il->stations[sta_id].sta, CMD_ASYNC);
spin_unlock_irqrestore(&il->sta_lock, flags);
-
}
int
-il4965_remove_dynamic_key(struct il_priv *il, struct il_rxon_context *ctx,
+il4965_remove_dynamic_key(struct il_priv *il,
struct ieee80211_key_conf *keyconf, u8 sta_id)
{
unsigned long flags;
@@ -3116,7 +3386,7 @@ il4965_remove_dynamic_key(struct il_priv *il, struct il_rxon_context *ctx,
lockdep_assert_held(&il->mutex);
- ctx->key_mapping_keys--;
+ il->_4965.key_mapping_keys--;
spin_lock_irqsave(&il->sta_lock, flags);
key_flags = le16_to_cpu(il->stations[sta_id].sta.key.key_flags);
@@ -3167,28 +3437,28 @@ il4965_remove_dynamic_key(struct il_priv *il, struct il_rxon_context *ctx,
}
int
-il4965_set_dynamic_key(struct il_priv *il, struct il_rxon_context *ctx,
- struct ieee80211_key_conf *keyconf, u8 sta_id)
+il4965_set_dynamic_key(struct il_priv *il, struct ieee80211_key_conf *keyconf,
+ u8 sta_id)
{
int ret;
lockdep_assert_held(&il->mutex);
- ctx->key_mapping_keys++;
+ il->_4965.key_mapping_keys++;
keyconf->hw_key_idx = HW_KEY_DYNAMIC;
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_CCMP:
ret =
- il4965_set_ccmp_dynamic_key_info(il, ctx, keyconf, sta_id);
+ il4965_set_ccmp_dynamic_key_info(il, keyconf, sta_id);
break;
case WLAN_CIPHER_SUITE_TKIP:
ret =
- il4965_set_tkip_dynamic_key_info(il, ctx, keyconf, sta_id);
+ il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
break;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
- ret = il4965_set_wep_dynamic_key_info(il, ctx, keyconf, sta_id);
+ ret = il4965_set_wep_dynamic_key_info(il, keyconf, sta_id);
break;
default:
IL_ERR("Unknown alg: %s cipher = %x\n", __func__,
@@ -3210,14 +3480,14 @@ il4965_set_dynamic_key(struct il_priv *il, struct il_rxon_context *ctx,
* device at the next best time.
*/
int
-il4965_alloc_bcast_station(struct il_priv *il, struct il_rxon_context *ctx)
+il4965_alloc_bcast_station(struct il_priv *il)
{
struct il_link_quality_cmd *link_cmd;
unsigned long flags;
u8 sta_id;
spin_lock_irqsave(&il->sta_lock, flags);
- sta_id = il_prep_station(il, ctx, il_bcast_addr, false, NULL);
+ sta_id = il_prep_station(il, il_bcast_addr, false, NULL);
if (sta_id == IL_INVALID_STATION) {
IL_ERR("Unable to prepare broadcast station\n");
spin_unlock_irqrestore(&il->sta_lock, flags);
@@ -3250,11 +3520,11 @@ il4965_alloc_bcast_station(struct il_priv *il, struct il_rxon_context *ctx)
* code together.
*/
static int
-il4965_update_bcast_station(struct il_priv *il, struct il_rxon_context *ctx)
+il4965_update_bcast_station(struct il_priv *il)
{
unsigned long flags;
struct il_link_quality_cmd *link_cmd;
- u8 sta_id = ctx->bcast_sta_id;
+ u8 sta_id = il->hw_params.bcast_id;
link_cmd = il4965_sta_alloc_lq(il, sta_id);
if (!link_cmd) {
@@ -3276,7 +3546,7 @@ il4965_update_bcast_station(struct il_priv *il, struct il_rxon_context *ctx)
int
il4965_update_bcast_stations(struct il_priv *il)
{
- return il4965_update_bcast_station(il, &il->ctx);
+ return il4965_update_bcast_station(il);
}
/**
@@ -3376,10 +3646,10 @@ il4965_sta_modify_sleep_tx_count(struct il_priv *il, int sta_id, int cnt)
void
il4965_update_chain_flags(struct il_priv *il)
{
- if (il->cfg->ops->hcmd->set_rxon_chain) {
- il->cfg->ops->hcmd->set_rxon_chain(il, &il->ctx);
- if (il->ctx.active.rx_chain != il->ctx.staging.rx_chain)
- il_commit_rxon(il, &il->ctx);
+ if (il->ops->set_rxon_chain) {
+ il->ops->set_rxon_chain(il);
+ if (il->active.rx_chain != il->staging.rx_chain)
+ il_commit_rxon(il);
}
}
@@ -3491,8 +3761,8 @@ il4965_hw_get_beacon_cmd(struct il_priv *il, struct il_frame *frame)
lockdep_assert_held(&il->mutex);
- if (!il->beacon_ctx) {
- IL_ERR("trying to build beacon w/o beacon context!\n");
+ if (!il->beacon_enabled) {
+ IL_ERR("Trying to build beacon without beaconing enabled\n");
return 0;
}
@@ -3511,7 +3781,7 @@ il4965_hw_get_beacon_cmd(struct il_priv *il, struct il_frame *frame)
/* Set up TX command fields */
tx_beacon_cmd->tx.len = cpu_to_le16((u16) frame_size);
- tx_beacon_cmd->tx.sta_id = il->beacon_ctx->bcast_sta_id;
+ tx_beacon_cmd->tx.sta_id = il->hw_params.bcast_id;
tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
tx_beacon_cmd->tx.tx_flags =
TX_CMD_FLG_SEQ_CTL_MSK | TX_CMD_FLG_TSF_MSK |
@@ -3522,7 +3792,7 @@ il4965_hw_get_beacon_cmd(struct il_priv *il, struct il_frame *frame)
frame_size);
/* Set up packet rate and flags */
- rate = il_get_lowest_plcp(il, il->beacon_ctx);
+ rate = il_get_lowest_plcp(il);
il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant);
rate_flags = BIT(il->mgmt_tx_ant) << RATE_MCS_ANT_POS;
if ((rate >= IL_FIRST_CCK_RATE) && (rate <= IL_LAST_CCK_RATE))
@@ -3645,15 +3915,13 @@ il4965_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq)
PCI_DMA_TODEVICE);
/* free SKB */
- if (txq->txb) {
- struct sk_buff *skb;
-
- skb = txq->txb[txq->q.read_ptr].skb;
+ if (txq->skbs) {
+ struct sk_buff *skb = txq->skbs[txq->q.read_ptr];
/* can be called from irqs-disabled context */
if (skb) {
dev_kfree_skb_any(skb);
- txq->txb[txq->q.read_ptr].skb = NULL;
+ txq->skbs[txq->q.read_ptr] = NULL;
}
}
}
@@ -3752,9 +4020,9 @@ il4965_hdl_alive(struct il_priv *il, struct il_rx_buf *rxb)
* This callback is provided in order to send a stats request.
*
* This timer function is continually reset to execute within
- * REG_RECALIB_PERIOD seconds since the last N_STATS
- * was received. We need to ensure we receive the stats in order
- * to update the temperature used for calibrating the TXPOWER.
+ * 60 seconds since the last N_STATS was received. We need to
+ * ensure we receive the stats in order to update the temperature
+ * used for calibrating the TXPOWER.
*/
static void
il4965_bg_stats_periodic(unsigned long data)
@@ -3804,7 +4072,7 @@ il4965_perform_ct_kill_task(struct il_priv *il)
_il_rd(il, CSR_UCODE_DRV_GP1);
spin_lock_irqsave(&il->reg_lock, flags);
- if (!_il_grab_nic_access(il))
+ if (likely(_il_grab_nic_access(il)))
_il_release_nic_access(il);
spin_unlock_irqrestore(&il->reg_lock, flags);
}
@@ -3842,17 +4110,17 @@ il4965_hdl_card_state(struct il_priv *il, struct il_rx_buf *rxb)
il4965_perform_ct_kill_task(il);
if (flags & HW_CARD_DISABLED)
- set_bit(S_RF_KILL_HW, &il->status);
+ set_bit(S_RFKILL, &il->status);
else
- clear_bit(S_RF_KILL_HW, &il->status);
+ clear_bit(S_RFKILL, &il->status);
if (!(flags & RXON_CARD_DISABLED))
il_scan_cancel(il);
- if ((test_bit(S_RF_KILL_HW, &status) !=
- test_bit(S_RF_KILL_HW, &il->status)))
+ if ((test_bit(S_RFKILL, &status) !=
+ test_bit(S_RFKILL, &il->status)))
wiphy_rfkill_set_hw_state(il->hw->wiphy,
- test_bit(S_RF_KILL_HW, &il->status));
+ test_bit(S_RFKILL, &il->status));
else
wake_up(&il->wait_command_queue);
}
@@ -3894,10 +4162,11 @@ il4965_setup_handlers(struct il_priv *il)
/* Rx handlers */
il->handlers[N_RX_PHY] = il4965_hdl_rx_phy;
il->handlers[N_RX_MPDU] = il4965_hdl_rx;
+ il->handlers[N_RX] = il4965_hdl_rx;
/* block ack */
il->handlers[N_COMPRESSED_BA] = il4965_hdl_compressed_ba;
- /* Set up hardware specific Rx handlers */
- il->cfg->ops->lib->handler_setup(il);
+ /* Tx response */
+ il->handlers[C_TX] = il4965_hdl_tx;
}
/**
@@ -4127,9 +4396,8 @@ il4965_irq_tasklet(struct il_priv *il)
/* HW RF KILL switch toggled */
if (inta & CSR_INT_BIT_RF_KILL) {
int hw_rf_kill = 0;
- if (!
- (_il_rd(il, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
+
+ if (!(_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
hw_rf_kill = 1;
IL_WARN("RF_KILL bit toggled to %s.\n",
@@ -4144,9 +4412,9 @@ il4965_irq_tasklet(struct il_priv *il)
*/
if (!test_bit(S_ALIVE, &il->status)) {
if (hw_rf_kill)
- set_bit(S_RF_KILL_HW, &il->status);
+ set_bit(S_RFKILL, &il->status);
else
- clear_bit(S_RF_KILL_HW, &il->status);
+ clear_bit(S_RFKILL, &il->status);
wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);
}
@@ -4270,11 +4538,9 @@ il4965_store_debug_level(struct device *d, struct device_attribute *attr,
ret = strict_strtoul(buf, 0, &val);
if (ret)
IL_ERR("%s is not in hex or decimal form.\n", buf);
- else {
+ else
il->debug_level = val;
- if (il_alloc_traffic_mem(il))
- IL_ERR("Not enough memory to generate traffic log\n");
- }
+
return strnlen(buf, count);
}
@@ -4799,7 +5065,7 @@ il4965_dump_nic_error_log(struct il_priv *il)
else
base = le32_to_cpu(il->card_alive.error_event_table_ptr);
- if (!il->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+ if (!il->ops->is_valid_rtc_data_addr(base)) {
IL_ERR("Not valid error log pointer 0x%08X for %s uCode\n",
base, (il->ucode_type == UCODE_INIT) ? "Init" : "RT");
return;
@@ -4979,7 +5245,6 @@ static void
il4965_alive_start(struct il_priv *il)
{
int ret = 0;
- struct il_rxon_context *ctx = &il->ctx;
D_INFO("Runtime Alive received.\n");
@@ -5019,18 +5284,18 @@ il4965_alive_start(struct il_priv *il)
il->active_rate = RATES_MASK;
- if (il_is_associated_ctx(ctx)) {
+ if (il_is_associated(il)) {
struct il_rxon_cmd *active_rxon =
- (struct il_rxon_cmd *)&ctx->active;
+ (struct il_rxon_cmd *)&il->active;
/* apply any changes in staging */
- ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+ il->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
- il_connection_init_rx_config(il, &il->ctx);
+ il_connection_init_rx_config(il);
- if (il->cfg->ops->hcmd->set_rxon_chain)
- il->cfg->ops->hcmd->set_rxon_chain(il, ctx);
+ if (il->ops->set_rxon_chain)
+ il->ops->set_rxon_chain(il);
}
/* Configure bluetooth coexistence if enabled */
@@ -5041,7 +5306,7 @@ il4965_alive_start(struct il_priv *il)
set_bit(S_READY, &il->status);
/* Configure the adapter for unassociated operation */
- il_commit_rxon(il, ctx);
+ il_commit_rxon(il);
/* At this point, the NIC is initialized and operational */
il4965_rf_kill_ct_config(il);
@@ -5076,7 +5341,21 @@ __il4965_down(struct il_priv *il)
* to prevent rearm timer */
del_timer_sync(&il->watchdog);
- il_clear_ucode_stations(il, NULL);
+ il_clear_ucode_stations(il);
+
+ /* FIXME: race conditions ? */
+ spin_lock_irq(&il->sta_lock);
+ /*
+ * Remove all key information that is not stored as part
+ * of station information since mac80211 may not have had
+ * a chance to remove all the keys. When device is
+ * reconfigured by mac80211 after an error all keys will
+ * be reconfigured.
+ */
+ memset(il->_4965.wep_keys, 0, sizeof(il->_4965.wep_keys));
+ il->_4965.key_mapping_keys = 0;
+ spin_unlock_irq(&il->sta_lock);
+
il_dealloc_bcast_stations(il);
il_clear_driver_stations(il);
@@ -5104,12 +5383,8 @@ __il4965_down(struct il_priv *il)
* clear all bits but the RF Kill bit and return */
if (!il_is_init(il)) {
il->status =
- test_bit(S_RF_KILL_HW,
- &il->
- status) << S_RF_KILL_HW |
- test_bit(S_GEO_CONFIGURED,
- &il->
- status) << S_GEO_CONFIGURED |
+ test_bit(S_RFKILL, &il->status) << S_RFKILL |
+ test_bit(S_GEO_CONFIGURED, &il->status) << S_GEO_CONFIGURED |
test_bit(S_EXIT_PENDING, &il->status) << S_EXIT_PENDING;
goto exit;
}
@@ -5117,28 +5392,32 @@ __il4965_down(struct il_priv *il)
/* ...otherwise clear out all the status bits but the RF Kill
* bit and continue taking the NIC down. */
il->status &=
- test_bit(S_RF_KILL_HW,
- &il->status) << S_RF_KILL_HW | test_bit(S_GEO_CONFIGURED,
- &il->
- status) <<
- S_GEO_CONFIGURED | test_bit(S_FW_ERROR,
- &il->
- status) << S_FW_ERROR |
+ test_bit(S_RFKILL, &il->status) << S_RFKILL |
+ test_bit(S_GEO_CONFIGURED, &il->status) << S_GEO_CONFIGURED |
+ test_bit(S_FW_ERROR, &il->status) << S_FW_ERROR |
test_bit(S_EXIT_PENDING, &il->status) << S_EXIT_PENDING;
+ /*
+ * We disabled and synchronized interrupt, and priv->mutex is taken, so
+ * here is the only thread which will program device registers, but
+ * still have lockdep assertions, so we are taking reg_lock.
+ */
+ spin_lock_irq(&il->reg_lock);
+ /* FIXME: il_grab_nic_access if rfkill is off ? */
+
il4965_txq_ctx_stop(il);
il4965_rxq_stop(il);
-
/* Power-down device's busmaster DMA clocks */
- il_wr_prph(il, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
+ _il_wr_prph(il, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
udelay(5);
-
/* Make sure (redundant) we've released our request to stay awake */
- il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
+ _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
/* Stop the device, and put it in low power state */
- il_apm_stop(il);
+ _il_apm_stop(il);
+
+ spin_unlock_irq(&il->reg_lock);
+ il4965_txq_ctx_unmap(il);
exit:
memset(&il->card_alive, 0, sizeof(struct il_alive_resp));
@@ -5159,40 +5438,36 @@ il4965_down(struct il_priv *il)
il4965_cancel_deferred_work(il);
}
-#define HW_READY_TIMEOUT (50)
-static int
+static void
il4965_set_hw_ready(struct il_priv *il)
{
- int ret = 0;
+ int ret;
il_set_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_NIC_READY);
/* See if we got it */
- ret =
- _il_poll_bit(il, CSR_HW_IF_CONFIG_REG,
- CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
- CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, HW_READY_TIMEOUT);
- if (ret != -ETIMEDOUT)
+ ret = _il_poll_bit(il, CSR_HW_IF_CONFIG_REG,
+ CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
+ CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
+ 100);
+ if (ret >= 0)
il->hw_ready = true;
- else
- il->hw_ready = false;
- D_INFO("hardware %s\n", (il->hw_ready == 1) ? "ready" : "not ready");
- return ret;
+ D_INFO("hardware %s ready\n", (il->hw_ready) ? "" : "not");
}
-static int
+static void
il4965_prepare_card_hw(struct il_priv *il)
{
- int ret = 0;
+ int ret;
- D_INFO("il4965_prepare_card_hw enter\n");
+ il->hw_ready = false;
- ret = il4965_set_hw_ready(il);
+ il4965_set_hw_ready(il);
if (il->hw_ready)
- return ret;
+ return;
/* If HW is not ready, prepare the conditions to check again */
il_set_bit(il, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE);
@@ -5205,8 +5480,6 @@ il4965_prepare_card_hw(struct il_priv *il)
/* HW should be ready by now, check again. */
if (ret != -ETIMEDOUT)
il4965_set_hw_ready(il);
-
- return ret;
}
#define MAX_HW_RESTARTS 5
@@ -5227,29 +5500,26 @@ __il4965_up(struct il_priv *il)
return -EIO;
}
- ret = il4965_alloc_bcast_station(il, &il->ctx);
+ ret = il4965_alloc_bcast_station(il);
if (ret) {
il_dealloc_bcast_stations(il);
return ret;
}
il4965_prepare_card_hw(il);
-
if (!il->hw_ready) {
- IL_WARN("Exit HW not ready\n");
+ IL_ERR("HW not ready\n");
return -EIO;
}
/* If platform's RF_KILL switch is NOT set to KILL */
if (_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
- clear_bit(S_RF_KILL_HW, &il->status);
- else
- set_bit(S_RF_KILL_HW, &il->status);
-
- if (il_is_rfkill(il)) {
+ clear_bit(S_RFKILL, &il->status);
+ else {
+ set_bit(S_RFKILL, &il->status);
wiphy_rfkill_set_hw_state(il->hw->wiphy, true);
- il_enable_interrupts(il);
+ il_enable_rfkill_int(il);
IL_WARN("Radio disabled by HW RF Kill switch\n");
return 0;
}
@@ -5288,7 +5558,7 @@ __il4965_up(struct il_priv *il)
/* load bootstrap state machine,
* load bootstrap program into processor's memory,
* prepare to load the "initialize" uCode */
- ret = il->cfg->ops->lib->load_ucode(il);
+ ret = il->ops->load_ucode(il);
if (ret) {
IL_ERR("Unable to set up bootstrap uCode: %d\n", ret);
@@ -5329,7 +5599,7 @@ il4965_bg_init_alive_start(struct work_struct *data)
if (test_bit(S_EXIT_PENDING, &il->status))
goto out;
- il->cfg->ops->lib->init_alive_start(il);
+ il->ops->init_alive_start(il);
out:
mutex_unlock(&il->mutex);
}
@@ -5381,7 +5651,8 @@ il4965_bg_restart(struct work_struct *data)
if (test_and_clear_bit(S_FW_ERROR, &il->status)) {
mutex_lock(&il->mutex);
- il->ctx.vif = NULL;
+ /* FIXME: do we dereference vif without mutex locked ? */
+ il->vif = NULL;
il->is_open = 0;
__il4965_down(il);
@@ -5450,8 +5721,8 @@ il4965_mac_setup_register(struct il_priv *il, u32 max_probe_length)
hw->sta_data_size = sizeof(struct il_station_priv);
hw->vif_data_size = sizeof(struct il_vif_priv);
- hw->wiphy->interface_modes |= il->ctx.interface_modes;
- hw->wiphy->interface_modes |= il->ctx.exclusive_interface_modes;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
hw->wiphy->flags |=
WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS;
@@ -5578,12 +5849,10 @@ il4965_mac_update_tkip_key(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u32 iv32, u16 * phase1key)
{
struct il_priv *il = hw->priv;
- struct il_vif_priv *vif_priv = (void *)vif->drv_priv;
D_MAC80211("enter\n");
- il4965_update_tkip_key(il, vif_priv->ctx, keyconf, sta, iv32,
- phase1key);
+ il4965_update_tkip_key(il, keyconf, sta, iv32, phase1key);
D_MAC80211("leave\n");
}
@@ -5594,8 +5863,6 @@ il4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_key_conf *key)
{
struct il_priv *il = hw->priv;
- struct il_vif_priv *vif_priv = (void *)vif->drv_priv;
- struct il_rxon_context *ctx = vif_priv->ctx;
int ret;
u8 sta_id;
bool is_default_wep_key = false;
@@ -5607,7 +5874,7 @@ il4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
return -EOPNOTSUPP;
}
- sta_id = il_sta_id_or_broadcast(il, vif_priv->ctx, sta);
+ sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION)
return -EINVAL;
@@ -5623,7 +5890,7 @@ il4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) {
if (cmd == SET_KEY)
- is_default_wep_key = !ctx->key_mapping_keys;
+ is_default_wep_key = !il->_4965.key_mapping_keys;
else
is_default_wep_key =
(key->hw_key_idx == HW_KEY_DEFAULT);
@@ -5632,20 +5899,17 @@ il4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
switch (cmd) {
case SET_KEY:
if (is_default_wep_key)
- ret =
- il4965_set_default_wep_key(il, vif_priv->ctx, key);
+ ret = il4965_set_default_wep_key(il, key);
else
- ret =
- il4965_set_dynamic_key(il, vif_priv->ctx, key,
- sta_id);
+ ret = il4965_set_dynamic_key(il, key, sta_id);
D_MAC80211("enable hwcrypto key\n");
break;
case DISABLE_KEY:
if (is_default_wep_key)
- ret = il4965_remove_default_wep_key(il, ctx, key);
+ ret = il4965_remove_default_wep_key(il, key);
else
- ret = il4965_remove_dynamic_key(il, ctx, key, sta_id);
+ ret = il4965_remove_dynamic_key(il, key, sta_id);
D_MAC80211("disable hwcrypto key\n");
break;
@@ -5711,7 +5975,6 @@ il4965_mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
{
struct il_priv *il = hw->priv;
struct il_station_priv *sta_priv = (void *)sta->drv_priv;
- struct il_vif_priv *vif_priv = (void *)vif->drv_priv;
bool is_ap = vif->type == NL80211_IFTYPE_STATION;
int ret;
u8 sta_id;
@@ -5724,8 +5987,7 @@ il4965_mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
atomic_set(&sta_priv->pending_frames, 0);
ret =
- il_add_station_common(il, vif_priv->ctx, sta->addr, is_ap, sta,
- &sta_id);
+ il_add_station_common(il, sta->addr, is_ap, sta, &sta_id);
if (ret) {
IL_ERR("Unable to add station %pM (%d)\n", sta->addr, ret);
/* Should we return success if return code is EEXIST ? */
@@ -5752,8 +6014,6 @@ il4965_mac_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_conf *conf = &hw->conf;
struct ieee80211_channel *channel = ch_switch->channel;
struct il_ht_config *ht_conf = &il->current_ht_config;
-
- struct il_rxon_context *ctx = &il->ctx;
u16 ch;
D_MAC80211("enter\n");
@@ -5768,14 +6028,14 @@ il4965_mac_channel_switch(struct ieee80211_hw *hw,
test_bit(S_CHANNEL_SWITCH_PENDING, &il->status))
goto out;
- if (!il_is_associated_ctx(ctx))
+ if (!il_is_associated(il))
goto out;
- if (!il->cfg->ops->lib->set_channel_switch)
+ if (!il->ops->set_channel_switch)
goto out;
ch = channel->hw_value;
- if (le16_to_cpu(ctx->active.channel) == ch)
+ if (le16_to_cpu(il->active.channel) == ch)
goto out;
ch_info = il_get_channel_info(il, channel->band, ch);
@@ -5789,30 +6049,30 @@ il4965_mac_channel_switch(struct ieee80211_hw *hw,
il->current_ht_config.smps = conf->smps_mode;
/* Configure HT40 channels */
- ctx->ht.enabled = conf_is_ht(conf);
- if (ctx->ht.enabled) {
+ il->ht.enabled = conf_is_ht(conf);
+ if (il->ht.enabled) {
if (conf_is_ht40_minus(conf)) {
- ctx->ht.extension_chan_offset =
+ il->ht.extension_chan_offset =
IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- ctx->ht.is_40mhz = true;
+ il->ht.is_40mhz = true;
} else if (conf_is_ht40_plus(conf)) {
- ctx->ht.extension_chan_offset =
+ il->ht.extension_chan_offset =
IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
- ctx->ht.is_40mhz = true;
+ il->ht.is_40mhz = true;
} else {
- ctx->ht.extension_chan_offset =
+ il->ht.extension_chan_offset =
IEEE80211_HT_PARAM_CHA_SEC_NONE;
- ctx->ht.is_40mhz = false;
+ il->ht.is_40mhz = false;
}
} else
- ctx->ht.is_40mhz = false;
+ il->ht.is_40mhz = false;
- if ((le16_to_cpu(ctx->staging.channel) != ch))
- ctx->staging.flags = 0;
+ if ((le16_to_cpu(il->staging.channel) != ch))
+ il->staging.flags = 0;
- il_set_rxon_channel(il, channel, ctx);
+ il_set_rxon_channel(il, channel);
il_set_rxon_ht(il, ht_conf);
- il_set_flags_for_band(il, ctx, channel->band, ctx->vif);
+ il_set_flags_for_band(il, channel->band, il->vif);
spin_unlock_irq(&il->lock);
@@ -5823,10 +6083,10 @@ il4965_mac_channel_switch(struct ieee80211_hw *hw,
*/
set_bit(S_CHANNEL_SWITCH_PENDING, &il->status);
il->switch_channel = cpu_to_le16(ch);
- if (il->cfg->ops->lib->set_channel_switch(il, ch_switch)) {
+ if (il->ops->set_channel_switch(il, ch_switch)) {
clear_bit(S_CHANNEL_SWITCH_PENDING, &il->status);
il->switch_channel = 0;
- ieee80211_chswitch_done(ctx->vif, false);
+ ieee80211_chswitch_done(il->vif, false);
}
out:
@@ -5860,8 +6120,8 @@ il4965_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
mutex_lock(&il->mutex);
- il->ctx.staging.filter_flags &= ~filter_nand;
- il->ctx.staging.filter_flags |= filter_or;
+ il->staging.filter_flags &= ~filter_nand;
+ il->staging.filter_flags |= filter_or;
/*
* Not committing directly because hardware can perform a scan,
@@ -5906,7 +6166,7 @@ il4965_bg_txpower_work(struct work_struct *work)
/* Regardless of if we are associated, we must reconfigure the
* TX power since frames can be sent on non-radar channels while
* not associated */
- il->cfg->ops->lib->send_tx_power(il);
+ il->ops->send_tx_power(il);
/* Update last_temperature to keep is_calib_needed from running
* when it isn't needed... */
@@ -6012,6 +6272,28 @@ il4965_tx_queue_set_status(struct il_priv *il, struct il_tx_queue *txq,
scd_retry ? "BA" : "AC", txq_id, tx_fifo_id);
}
+const struct ieee80211_ops il4965_mac_ops = {
+ .tx = il4965_mac_tx,
+ .start = il4965_mac_start,
+ .stop = il4965_mac_stop,
+ .add_interface = il_mac_add_interface,
+ .remove_interface = il_mac_remove_interface,
+ .change_interface = il_mac_change_interface,
+ .config = il_mac_config,
+ .configure_filter = il4965_configure_filter,
+ .set_key = il4965_mac_set_key,
+ .update_tkip_key = il4965_mac_update_tkip_key,
+ .conf_tx = il_mac_conf_tx,
+ .reset_tsf = il_mac_reset_tsf,
+ .bss_info_changed = il_mac_bss_info_changed,
+ .ampdu_action = il4965_mac_ampdu_action,
+ .hw_scan = il_mac_hw_scan,
+ .sta_add = il4965_mac_sta_add,
+ .sta_remove = il_mac_sta_remove,
+ .channel_switch = il4965_mac_channel_switch,
+ .tx_last_beacon = il_mac_tx_last_beacon,
+};
+
static int
il4965_init_drv(struct il_priv *il)
{
@@ -6036,8 +6318,8 @@ il4965_init_drv(struct il_priv *il)
il->force_reset.reset_duration = IL_DELAY_NEXT_FORCE_FW_RELOAD;
/* Choose which receivers/antennas to use */
- if (il->cfg->ops->hcmd->set_rxon_chain)
- il->cfg->ops->hcmd->set_rxon_chain(il, &il->ctx);
+ if (il->ops->set_rxon_chain)
+ il->ops->set_rxon_chain(il);
il_init_scan_params(il);
@@ -6065,7 +6347,6 @@ err:
static void
il4965_uninit_drv(struct il_priv *il)
{
- il4965_calib_free_results(il);
il_free_geos(il);
il_free_channel_map(il);
kfree(il->scan_cmd);
@@ -6080,9 +6361,37 @@ il4965_hw_detect(struct il_priv *il)
D_INFO("HW Revision ID = 0x%X\n", il->rev_id);
}
-static int
+static struct il_sensitivity_ranges il4965_sensitivity = {
+ .min_nrg_cck = 97,
+ .max_nrg_cck = 0, /* not used, set to 0 */
+
+ .auto_corr_min_ofdm = 85,
+ .auto_corr_min_ofdm_mrc = 170,
+ .auto_corr_min_ofdm_x1 = 105,
+ .auto_corr_min_ofdm_mrc_x1 = 220,
+
+ .auto_corr_max_ofdm = 120,
+ .auto_corr_max_ofdm_mrc = 210,
+ .auto_corr_max_ofdm_x1 = 140,
+ .auto_corr_max_ofdm_mrc_x1 = 270,
+
+ .auto_corr_min_cck = 125,
+ .auto_corr_max_cck = 200,
+ .auto_corr_min_cck_mrc = 200,
+ .auto_corr_max_cck_mrc = 400,
+
+ .nrg_th_cck = 100,
+ .nrg_th_ofdm = 100,
+
+ .barker_corr_th_min = 190,
+ .barker_corr_th_min_mrc = 390,
+ .nrg_th_cca = 62,
+};
+
+static void
il4965_set_hw_params(struct il_priv *il)
{
+ il->hw_params.bcast_id = IL4965_BROADCAST_ID;
il->hw_params.max_rxq_size = RX_QUEUE_SIZE;
il->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
if (il->cfg->mod_params->amsdu_size_8K)
@@ -6095,20 +6404,37 @@ il4965_set_hw_params(struct il_priv *il)
if (il->cfg->mod_params->disable_11n)
il->cfg->sku &= ~IL_SKU_N;
- /* Device-specific setup */
- return il->cfg->ops->lib->set_hw_params(il);
-}
+ if (il->cfg->mod_params->num_of_queues >= IL_MIN_NUM_QUEUES &&
+ il->cfg->mod_params->num_of_queues <= IL49_NUM_QUEUES)
+ il->cfg->num_of_queues =
+ il->cfg->mod_params->num_of_queues;
-static const u8 il4965_bss_ac_to_fifo[] = {
- IL_TX_FIFO_VO,
- IL_TX_FIFO_VI,
- IL_TX_FIFO_BE,
- IL_TX_FIFO_BK,
-};
+ il->hw_params.max_txq_num = il->cfg->num_of_queues;
+ il->hw_params.dma_chnl_num = FH49_TCSR_CHNL_NUM;
+ il->hw_params.scd_bc_tbls_size =
+ il->cfg->num_of_queues *
+ sizeof(struct il4965_scd_bc_tbl);
-static const u8 il4965_bss_ac_to_queue[] = {
- 0, 1, 2, 3,
-};
+ il->hw_params.tfd_size = sizeof(struct il_tfd);
+ il->hw_params.max_stations = IL4965_STATION_COUNT;
+ il->hw_params.max_data_size = IL49_RTC_DATA_SIZE;
+ il->hw_params.max_inst_size = IL49_RTC_INST_SIZE;
+ il->hw_params.max_bsm_size = BSM_SRAM_SIZE;
+ il->hw_params.ht40_channel = BIT(IEEE80211_BAND_5GHZ);
+
+ il->hw_params.rx_wrt_ptr_reg = FH49_RSCSR_CHNL0_WPTR;
+
+ il->hw_params.tx_chains_num = il4965_num_of_ant(il->cfg->valid_tx_ant);
+ il->hw_params.rx_chains_num = il4965_num_of_ant(il->cfg->valid_rx_ant);
+ il->hw_params.valid_tx_ant = il->cfg->valid_tx_ant;
+ il->hw_params.valid_rx_ant = il->cfg->valid_rx_ant;
+
+ il->hw_params.ct_kill_threshold =
+ CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY);
+
+ il->hw_params.sens = &il4965_sensitivity;
+ il->hw_params.beacon_time_tsf_bits = IL4965_EXT_BEACON_TIME_POS;
+}
static int
il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
@@ -6124,43 +6450,24 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* 1. Allocating HW data
************************/
- hw = il_alloc_all(cfg);
+ hw = ieee80211_alloc_hw(sizeof(struct il_priv), &il4965_mac_ops);
if (!hw) {
err = -ENOMEM;
goto out;
}
il = hw->priv;
- /* At this point both hw and il are allocated. */
-
- il->ctx.ctxid = 0;
-
- il->ctx.always_active = true;
- il->ctx.is_active = true;
- il->ctx.rxon_cmd = C_RXON;
- il->ctx.rxon_timing_cmd = C_RXON_TIMING;
- il->ctx.rxon_assoc_cmd = C_RXON_ASSOC;
- il->ctx.qos_cmd = C_QOS_PARAM;
- il->ctx.ap_sta_id = IL_AP_ID;
- il->ctx.wep_key_cmd = C_WEPKEY;
- il->ctx.ac_to_fifo = il4965_bss_ac_to_fifo;
- il->ctx.ac_to_queue = il4965_bss_ac_to_queue;
- il->ctx.exclusive_interface_modes = BIT(NL80211_IFTYPE_ADHOC);
- il->ctx.interface_modes = BIT(NL80211_IFTYPE_STATION);
- il->ctx.ap_devtype = RXON_DEV_TYPE_AP;
- il->ctx.ibss_devtype = RXON_DEV_TYPE_IBSS;
- il->ctx.station_devtype = RXON_DEV_TYPE_ESS;
- il->ctx.unused_devtype = RXON_DEV_TYPE_ESS;
-
+ il->hw = hw;
SET_IEEE80211_DEV(hw, &pdev->dev);
D_INFO("*** LOAD DRIVER ***\n");
il->cfg = cfg;
+ il->ops = &il4965_ops;
+#ifdef CONFIG_IWLEGACY_DEBUGFS
+ il->debugfs_ops = &il4965_debugfs_ops;
+#endif
il->pci_dev = pdev;
il->inta_mask = CSR_INI_SET_MASK;
- if (il_alloc_traffic_mem(il))
- IL_ERR("Not enough memory to generate traffic log\n");
-
/**************************
* 2. Initializing PCI bus
**************************/
@@ -6199,7 +6506,7 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/***********************
* 3. Read REV register
***********************/
- il->hw_base = pci_iomap(pdev, 0, 0);
+ il->hw_base = pci_ioremap_bar(pdev, 0);
if (!il->hw_base) {
err = -ENODEV;
goto out_pci_release_regions;
@@ -6260,10 +6567,7 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/************************
* 5. Setup HW constants
************************/
- if (il4965_set_hw_params(il)) {
- IL_ERR("failed to set hw parameters\n");
- goto out_free_eeprom;
- }
+ il4965_set_hw_params(il);
/*******************
* 6. Setup il
@@ -6307,12 +6611,12 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* If platform's RF_KILL switch is NOT set to KILL */
if (_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
- clear_bit(S_RF_KILL_HW, &il->status);
+ clear_bit(S_RFKILL, &il->status);
else
- set_bit(S_RF_KILL_HW, &il->status);
+ set_bit(S_RFKILL, &il->status);
wiphy_rfkill_set_hw_state(il->hw->wiphy,
- test_bit(S_RF_KILL_HW, &il->status));
+ test_bit(S_RFKILL, &il->status));
il_power_initialize(il);
@@ -6334,14 +6638,13 @@ out_disable_msi:
out_free_eeprom:
il_eeprom_free(il);
out_iounmap:
- pci_iounmap(pdev, il->hw_base);
+ iounmap(il->hw_base);
out_pci_release_regions:
pci_set_drvdata(pdev, NULL);
pci_release_regions(pdev);
out_pci_disable_device:
pci_disable_device(pdev);
out_ieee80211_free_hw:
- il_free_traffic_mem(il);
ieee80211_free_hw(il->hw);
out:
return err;
@@ -6412,11 +6715,10 @@ il4965_pci_remove(struct pci_dev *pdev)
* until now... */
destroy_workqueue(il->workqueue);
il->workqueue = NULL;
- il_free_traffic_mem(il);
free_irq(il->pci_dev->irq, il);
pci_disable_msi(il->pci_dev);
- pci_iounmap(pdev, il->hw_base);
+ iounmap(il->hw_base);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-29 04:41:35 +0000