diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/4965-mac.c')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/4965-mac.c | 1058 |
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 1667232..7b54dbb 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); |