diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
28 files changed, 1455 insertions, 925 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index dc8ed1527666..6491e27baac5 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -30,9 +30,11 @@ config IWLWIFI_DEBUG config IWLWIFI_DEBUGFS bool "iwlagn debugfs support" - depends on IWLWIFI && IWLWIFI_DEBUG && MAC80211_DEBUGFS + depends on IWLWIFI && MAC80211_DEBUGFS ---help--- - Enable creation of debugfs files for the iwlwifi drivers. + Enable creation of debugfs files for the iwlwifi drivers. This + is a low-impact option that allows getting insight into the + driver's state at runtime. config IWLWIFI_DEVICE_TRACING bool "iwlwifi device access tracing" diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 6be2992f8f21..dba91e0233b6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -158,6 +158,8 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) BIT(IWL_CALIB_TX_IQ_PERD) | BIT(IWL_CALIB_BASE_BAND); + priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c index 6a9c64a50e36..ef0835b01b6b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c @@ -28,6 +28,28 @@ #include "iwl-3945-debugfs.h" + +static int iwl3945_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) +{ + int p = 0; + + p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", + le32_to_cpu(priv->_3945.statistics.flag)); + if (le32_to_cpu(priv->_3945.statistics.flag) & + UCODE_STATISTICS_CLEAR_MSK) + p += scnprintf(buf + p, bufsz - p, + "\tStatistics have been cleared\n"); + p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", + (le32_to_cpu(priv->_3945.statistics.flag) & + UCODE_STATISTICS_FREQUENCY_MSK) + ? "2.4 GHz" : "5.2 GHz"); + p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", + (le32_to_cpu(priv->_3945.statistics.flag) & + UCODE_STATISTICS_NARROW_BAND_MSK) + ? "enabled" : "disabled"); + return p; +} + ssize_t iwl3945_ucode_rx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -70,7 +92,7 @@ ssize_t iwl3945_ucode_rx_stats_read(struct file *file, max_cck = &priv->_3945.max_delta.rx.cck; max_general = &priv->_3945.max_delta.rx.general; - pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); + pos += iwl3945_statistics_flag(priv, buf, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "%-32s current" "acumulative delta max\n", "Statistics_Rx - OFDM:"); @@ -331,7 +353,7 @@ ssize_t iwl3945_ucode_tx_stats_read(struct file *file, accum_tx = &priv->_3945.accum_statistics.tx; delta_tx = &priv->_3945.delta_statistics.tx; max_tx = &priv->_3945.max_delta.tx; - pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); + pos += iwl3945_statistics_flag(priv, buf, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "%-32s current" "acumulative delta max\n", "Statistics_Tx:"); @@ -438,7 +460,7 @@ ssize_t iwl3945_ucode_general_stats_read(struct file *file, accum_div = &priv->_3945.accum_statistics.general.div; delta_div = &priv->_3945.delta_statistics.general.div; max_div = &priv->_3945.max_delta.general.div; - pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); + pos += iwl3945_statistics_flag(priv, buf, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "%-32s current" "acumulative delta max\n", "Statistics_General:"); diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index c44a303e62ed..93d513e14186 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -279,8 +279,8 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv, q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { tx_info = &txq->txb[txq->q.read_ptr]; - ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb[0]); - tx_info->skb[0] = NULL; + ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb); + tx_info->skb = NULL; priv->cfg->ops->lib->txq_free_tfd(priv, txq); } @@ -315,7 +315,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv, return; } - info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]); + info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb); ieee80211_tx_info_clear_status(info); /* Fill the MRR chain with some info about on-chip retransmissions */ @@ -352,7 +352,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv, * RX handler implementations * *****************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS /* * based on the assumption of all statistics counter are in DWORD * FIXME: This function is for debugging, do not deal with @@ -460,7 +460,7 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv, IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n", (int)sizeof(struct iwl3945_notif_statistics), le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK); -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw); #endif iwl_recover_from_statistics(priv, pkt); @@ -475,7 +475,7 @@ void iwl3945_reply_statistics(struct iwl_priv *priv, __le32 *flag = (__le32 *)&pkt->u.raw; if (le32_to_cpu(*flag) & UCODE_STATISTICS_CLEAR_MSK) { -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS memset(&priv->_3945.accum_statistics, 0, sizeof(struct iwl3945_notif_statistics)); memset(&priv->_3945.delta_statistics, 0, @@ -494,158 +494,6 @@ void iwl3945_reply_statistics(struct iwl_priv *priv, * Misc. internal state and helper functions * ******************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG - -/** - * iwl3945_report_frame - dump frame to syslog during debug sessions - * - * You may hack this function to show different aspects of received frames, - * including selective frame dumps. - * group100 parameter selects whether to show 1 out of 100 good frames. - */ -static void _iwl3945_dbg_report_frame(struct iwl_priv *priv, - struct iwl_rx_packet *pkt, - struct ieee80211_hdr *header, int group100) -{ - u32 to_us; - u32 print_summary = 0; - u32 print_dump = 0; /* set to 1 to dump all frames' contents */ - u32 hundred = 0; - u32 dataframe = 0; - __le16 fc; - u16 seq_ctl; - u16 channel; - u16 phy_flags; - u16 length; - u16 status; - u16 bcn_tmr; - u32 tsf_low; - u64 tsf; - u8 rssi; - u8 agc; - u16 sig_avg; - u16 noise_diff; - struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); - struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); - struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); - u8 *data = IWL_RX_DATA(pkt); - - /* MAC header */ - fc = header->frame_control; - seq_ctl = le16_to_cpu(header->seq_ctrl); - - /* metadata */ - channel = le16_to_cpu(rx_hdr->channel); - phy_flags = le16_to_cpu(rx_hdr->phy_flags); - length = le16_to_cpu(rx_hdr->len); - - /* end-of-frame status and timestamp */ - status = le32_to_cpu(rx_end->status); - bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp); - tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff; - tsf = le64_to_cpu(rx_end->timestamp); - - /* signal statistics */ - rssi = rx_stats->rssi; - agc = rx_stats->agc; - sig_avg = le16_to_cpu(rx_stats->sig_avg); - noise_diff = le16_to_cpu(rx_stats->noise_diff); - - to_us = !compare_ether_addr(header->addr1, priv->mac_addr); - - /* if data frame is to us and all is good, - * (optionally) print summary for only 1 out of every 100 */ - if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) == - cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) { - dataframe = 1; - if (!group100) - print_summary = 1; /* print each frame */ - else if (priv->framecnt_to_us < 100) { - priv->framecnt_to_us++; - print_summary = 0; - } else { - priv->framecnt_to_us = 0; - print_summary = 1; - hundred = 1; - } - } else { - /* print summary for all other frames */ - print_summary = 1; - } - - if (print_summary) { - char *title; - int rate; - - if (hundred) - title = "100Frames"; - else if (ieee80211_has_retry(fc)) - title = "Retry"; - else if (ieee80211_is_assoc_resp(fc)) - title = "AscRsp"; - else if (ieee80211_is_reassoc_resp(fc)) - title = "RasRsp"; - else if (ieee80211_is_probe_resp(fc)) { - title = "PrbRsp"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_beacon(fc)) { - title = "Beacon"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_atim(fc)) - title = "ATIM"; - else if (ieee80211_is_auth(fc)) - title = "Auth"; - else if (ieee80211_is_deauth(fc)) - title = "DeAuth"; - else if (ieee80211_is_disassoc(fc)) - title = "DisAssoc"; - else - title = "Frame"; - - rate = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate); - if (rate == -1) - rate = 0; - else - rate = iwl3945_rates[rate].ieee / 2; - - /* print frame summary. - * MAC addresses show just the last byte (for brevity), - * but you can hack it to show more, if you'd like to. */ - if (dataframe) - IWL_DEBUG_RX(priv, "%s: mhd=0x%04x, dst=0x%02x, " - "len=%u, rssi=%d, chnl=%d, rate=%d,\n", - title, le16_to_cpu(fc), header->addr1[5], - length, rssi, channel, rate); - else { - /* src/dst addresses assume managed mode */ - IWL_DEBUG_RX(priv, "%s: 0x%04x, dst=0x%02x, " - "src=0x%02x, rssi=%u, tim=%lu usec, " - "phy=0x%02x, chnl=%d\n", - title, le16_to_cpu(fc), header->addr1[5], - header->addr3[5], rssi, - tsf_low - priv->scan_start_tsf, - phy_flags, channel); - } - } - if (print_dump) - iwl_print_hex_dump(priv, IWL_DL_RX, data, length); -} - -static void iwl3945_dbg_report_frame(struct iwl_priv *priv, - struct iwl_rx_packet *pkt, - struct ieee80211_hdr *header, int group100) -{ - if (iwl_get_debug_level(priv) & IWL_DL_RX) - _iwl3945_dbg_report_frame(priv, pkt, header, group100); -} - -#else -static inline void iwl3945_dbg_report_frame(struct iwl_priv *priv, - struct iwl_rx_packet *pkt, - struct ieee80211_hdr *header, int group100) -{ -} -#endif /* This is necessary only for a number of statistics, see the caller. */ static int iwl3945_is_network_packet(struct iwl_priv *priv, @@ -777,8 +625,6 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv, rx_status.signal, rx_status.signal, rx_status.rate_idx); - /* Set "1" to report good data frames in groups of 100 */ - iwl3945_dbg_report_frame(priv, pkt, header, 1); iwl_dbg_log_rx_data_frame(priv, le16_to_cpu(rx_hdr->len), header); if (network_packet) { @@ -850,25 +696,28 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq) /* Unmap tx_cmd */ if (counter) pci_unmap_single(dev, - pci_unmap_addr(&txq->meta[index], mapping), - pci_unmap_len(&txq->meta[index], len), + dma_unmap_addr(&txq->meta[index], mapping), + dma_unmap_len(&txq->meta[index], len), PCI_DMA_TODEVICE); /* unmap chunks if any */ - for (i = 1; i < counter; i++) { + for (i = 1; i < counter; i++) pci_unmap_single(dev, le32_to_cpu(tfd->tbs[i].addr), le32_to_cpu(tfd->tbs[i].len), PCI_DMA_TODEVICE); - if (txq->txb[txq->q.read_ptr].skb[0]) { - struct sk_buff *skb = txq->txb[txq->q.read_ptr].skb[0]; - if (txq->txb[txq->q.read_ptr].skb[0]) { - /* Can be called from interrupt context */ - dev_kfree_skb_any(skb); - txq->txb[txq->q.read_ptr].skb[0] = NULL; - } + + /* free SKB */ + if (txq->txb) { + struct sk_buff *skb; + + skb = txq->txb[txq->q.read_ptr].skb; + + /* can be called from irqs-disabled context */ + if (skb) { + dev_kfree_skb_any(skb); + txq->txb[txq->q.read_ptr].skb = NULL; } } - return ; } /** @@ -947,8 +796,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, tx_cmd->supp_rates[1], tx_cmd->supp_rates[0]); } -static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, - u16 tx_rate, u8 flags) +static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate) { unsigned long flags_spin; struct iwl_station_entry *station; @@ -962,10 +810,9 @@ static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, station->sta.sta.modify_mask = STA_MODIFY_TX_RATE_MSK; station->sta.rate_n_flags = cpu_to_le16(tx_rate); station->sta.mode = STA_CONTROL_MODIFY_MSK; - + iwl_send_add_sta(priv, &station->sta, CMD_ASYNC); spin_unlock_irqrestore(&priv->sta_lock, flags_spin); - iwl_send_add_sta(priv, &station->sta, flags); IWL_DEBUG_RATE(priv, "SCALE sync station %d to rate %d\n", sta_id, tx_rate); return sta_id; @@ -997,7 +844,7 @@ static int iwl3945_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) static int iwl3945_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq) { - iwl_write_direct32(priv, FH39_RCSR_RBD_BASE(0), rxq->dma_addr); + iwl_write_direct32(priv, FH39_RCSR_RBD_BASE(0), rxq->bd_dma); iwl_write_direct32(priv, FH39_RCSR_RPTR_ADDR(0), rxq->rb_stts_dma); iwl_write_direct32(priv, FH39_RCSR_WPTR(0), 0); iwl_write_direct32(priv, FH39_RCSR_CONFIG(0), @@ -2473,8 +2320,7 @@ static int iwl3945_manage_ibss_station(struct iwl_priv *priv, iwl3945_sync_sta(priv, vif_priv->ibss_bssid_sta_id, (priv->band == IEEE80211_BAND_5GHZ) ? - IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP, - CMD_ASYNC); + IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP); iwl3945_rate_scale_init(priv->hw, vif_priv->ibss_bssid_sta_id); return 0; @@ -2590,6 +2436,7 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.rx_wrt_ptr_reg = FH39_RSCSR_CHNL0_WPTR; priv->hw_params.max_beacon_itrvl = IWL39_MAX_UCODE_BEACON_INTERVAL; + priv->hw_params.beacon_time_tsf_bits = IWL3945_EXT_BEACON_TIME_POS; return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index d3afddae8d9f..83e6a42ca2da 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -346,9 +346,19 @@ static void iwl4965_chain_noise_reset(struct iwl_priv *priv) { struct iwl_chain_noise_data *data = &(priv->chain_noise_data); - if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) { + if ((data->state == IWL_CHAIN_NOISE_ALIVE) && + iwl_is_associated(priv)) { struct iwl_calib_diff_gain_cmd cmd; + /* clear data for chain noise calibration algorithm */ + data->chain_noise_a = 0; + data->chain_noise_b = 0; + data->chain_noise_c = 0; + data->chain_signal_a = 0; + data->chain_signal_b = 0; + data->chain_signal_c = 0; + data->beacon_count = 0; + memset(&cmd, 0, sizeof(cmd)); cmd.hdr.op_code = IWL_PHY_CALIBRATE_DIFF_GAIN_CMD; cmd.diff_gain_a = 0; @@ -419,13 +429,6 @@ static void iwl4965_gain_computation(struct iwl_priv *priv, /* Mark so we run this algo only once! */ data->state = IWL_CHAIN_NOISE_CALIBRATED; } - data->chain_noise_a = 0; - data->chain_noise_b = 0; - data->chain_noise_c = 0; - data->chain_signal_a = 0; - data->chain_signal_b = 0; - data->chain_signal_c = 0; - data->beacon_count = 0; } static void iwl4965_bg_txpower_work(struct work_struct *work) @@ -669,6 +672,7 @@ static int iwl4965_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->ops->lib->temp_ops.set_ct_kill(priv); priv->hw_params.sens = &iwl4965_sensitivity; + priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } @@ -1441,7 +1445,8 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv) return ret; } -static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel) +static int iwl4965_hw_channel_switch(struct iwl_priv *priv, + struct ieee80211_channel_switch *ch_switch) { int rc; u8 band = 0; @@ -1449,11 +1454,14 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel) u8 ctrl_chan_high = 0; struct iwl4965_channel_switch_cmd cmd; const struct iwl_channel_info *ch_info; - + u32 switch_time_in_usec, ucode_switch_time; + u16 ch; + u32 tsf_low; + u8 switch_count; + u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval); + struct ieee80211_vif *vif = priv->vif; band = priv->band == IEEE80211_BAND_2GHZ; - ch_info = iwl_get_channel_info(priv, priv->band, channel); - is_ht40 = is_ht40_channel(priv->staging_rxon.flags); if (is_ht40 && @@ -1462,26 +1470,56 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel) cmd.band = band; cmd.expect_beacon = 0; - cmd.channel = cpu_to_le16(channel); + ch = ieee80211_frequency_to_channel(ch_switch->channel->center_freq); + cmd.channel = cpu_to_le16(ch); cmd.rxon_flags = priv->staging_rxon.flags; cmd.rxon_filter_flags = priv->staging_rxon.filter_flags; - cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); + switch_count = ch_switch->count; + tsf_low = ch_switch->timestamp & 0x0ffffffff; + /* + * calculate the ucode channel switch time + * adding TSF as one of the factor for when to switch + */ + if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) { + if (switch_count > ((priv->ucode_beacon_time - tsf_low) / + beacon_interval)) { + switch_count -= (priv->ucode_beacon_time - + tsf_low) / beacon_interval; + } else + switch_count = 0; + } + if (switch_count <= 1) + cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); + else { + switch_time_in_usec = + vif->bss_conf.beacon_int * switch_count * TIME_UNIT; + ucode_switch_time = iwl_usecs_to_beacons(priv, + switch_time_in_usec, + beacon_interval); + cmd.switch_time = iwl_add_beacon_time(priv, + priv->ucode_beacon_time, + ucode_switch_time, + beacon_interval); + } + IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n", + cmd.switch_time); + ch_info = iwl_get_channel_info(priv, priv->band, ch); if (ch_info) cmd.expect_beacon = is_channel_radar(ch_info); else { IWL_ERR(priv, "invalid channel switch from %u to %u\n", - priv->active_rxon.channel, channel); + priv->active_rxon.channel, ch); return -EFAULT; } - rc = iwl4965_fill_txpower_tbl(priv, band, channel, is_ht40, + rc = iwl4965_fill_txpower_tbl(priv, band, ch, is_ht40, ctrl_chan_high, &cmd.tx_power); if (rc) { IWL_DEBUG_11H(priv, "error:%d fill txpower_tbl\n", rc); return rc; } - priv->switch_rxon.channel = cpu_to_le16(channel); + priv->switch_rxon.channel = cmd.channel; priv->switch_rxon.switch_in_progress = true; return iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd); @@ -1870,7 +1908,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, StartIdx=%d idx=%d\n", agg->frame_count, agg->start_idx, idx); - info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]); + info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb); info->status.rates[0].count = tx_resp->failure_frame + 1; info->flags &= ~IEEE80211_TX_CTL_AMPDU; info->flags |= iwl_tx_status_to_mac80211(status); @@ -2026,6 +2064,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, int sta_id; int freed; u8 *qc = NULL; + unsigned long flags; if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) { IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d " @@ -2035,7 +2074,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, return; } - info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]); + info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb); memset(&info->status, 0, sizeof(info->status)); hdr = iwl_tx_queue_get_hdr(priv, txq_id, index); @@ -2050,10 +2089,10 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, return; } + spin_lock_irqsave(&priv->sta_lock, flags); if (txq->sched_retry) { const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp); struct iwl_ht_agg *agg = NULL; - WARN_ON(!qc); agg = &priv->stations[sta_id].tid[tid].agg; @@ -2110,6 +2149,8 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); iwl_check_abort_status(priv, tx_resp->frame_count, status); + + spin_unlock_irqrestore(&priv->sta_lock, flags); } static int iwl4965_calc_rssi(struct iwl_priv *priv, @@ -2285,7 +2326,7 @@ struct iwl_cfg iwl4965_agn_cfg = { * Force use of chains B and C for scan RX on 5 GHz band * because the device has off-channel reception on chain A. */ - .scan_antennas[IEEE80211_BAND_5GHZ] = ANT_BC, + .scan_rx_antennas[IEEE80211_BAND_5GHZ] = ANT_BC, }; /* Module firmware */ diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index a28af7eb67eb..32710a801cb0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -208,6 +208,8 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) BIT(IWL_CALIB_TX_IQ_PERD) | BIT(IWL_CALIB_BASE_BAND); + priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + return 0; } @@ -252,6 +254,8 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); + priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + return 0; } @@ -267,33 +271,69 @@ static void iwl5150_temperature(struct iwl_priv *priv) iwl_tt_handler(priv); } -static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel) +static int iwl5000_hw_channel_switch(struct iwl_priv *priv, + struct ieee80211_channel_switch *ch_switch) { struct iwl5000_channel_switch_cmd cmd; const struct iwl_channel_info *ch_info; + u32 switch_time_in_usec, ucode_switch_time; + u16 ch; + u32 tsf_low; + u8 switch_count; + u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval); + struct ieee80211_vif *vif = priv->vif; struct iwl_host_cmd hcmd = { .id = REPLY_CHANNEL_SWITCH, .len = sizeof(cmd), - .flags = CMD_SIZE_HUGE, + .flags = CMD_SYNC, .data = &cmd, }; - IWL_DEBUG_11H(priv, "channel switch from %d to %d\n", - priv->active_rxon.channel, channel); cmd.band = priv->band == IEEE80211_BAND_2GHZ; - cmd.channel = cpu_to_le16(channel); + ch = ieee80211_frequency_to_channel(ch_switch->channel->center_freq); + IWL_DEBUG_11H(priv, "channel switch from %d to %d\n", + priv->active_rxon.channel, ch); + cmd.channel = cpu_to_le16(ch); cmd.rxon_flags = priv->staging_rxon.flags; cmd.rxon_filter_flags = priv->staging_rxon.filter_flags; - cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); - ch_info = iwl_get_channel_info(priv, priv->band, channel); + switch_count = ch_switch->count; + tsf_low = ch_switch->timestamp & 0x0ffffffff; + /* + * calculate the ucode channel switch time + * adding TSF as one of the factor for when to switch + */ + if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) { + if (switch_count > ((priv->ucode_beacon_time - tsf_low) / + beacon_interval)) { + switch_count -= (priv->ucode_beacon_time - + tsf_low) / beacon_interval; + } else + switch_count = 0; + } + if (switch_count <= 1) + cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); + else { + switch_time_in_usec = + vif->bss_conf.beacon_int * switch_count * TIME_UNIT; + ucode_switch_time = iwl_usecs_to_beacons(priv, + switch_time_in_usec, + beacon_interval); + cmd.switch_time = iwl_add_beacon_time(priv, + priv->ucode_beacon_time, + ucode_switch_time, + beacon_interval); + } + IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n", + cmd.switch_time); + ch_info = iwl_get_channel_info(priv, priv->band, ch); if (ch_info) cmd.expect_beacon = is_channel_radar(ch_info); else { IWL_ERR(priv, "invalid channel switch from %u to %u\n", - priv->active_rxon.channel, channel); + priv->active_rxon.channel, ch); return -EFAULT; } - priv->switch_rxon.channel = cpu_to_le16(channel); + priv->switch_rxon.channel = cmd.channel; priv->switch_rxon.switch_in_progress = true; return iwl_send_cmd_sync(priv, &hcmd); diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 9fbf54cd3e1a..afdeec56b13f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -71,6 +71,10 @@ #define _IWL6000G2A_MODULE_FIRMWARE(api) IWL6000G2A_FW_PRE #api ".ucode" #define IWL6000G2A_MODULE_FIRMWARE(api) _IWL6000G2A_MODULE_FIRMWARE(api) +#define IWL6000G2B_FW_PRE "iwlwifi-6000g2b-" +#define _IWL6000G2B_MODULE_FIRMWARE(api) IWL6000G2B_FW_PRE #api ".ucode" +#define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWARE(api) + static void iwl6000_set_ct_threshold(struct iwl_priv *priv) { @@ -183,6 +187,8 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); + priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + return 0; } @@ -228,37 +234,74 @@ static int iwl6050_hw_set_hw_params(struct iwl_priv *priv) BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); + priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + return 0; } -static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel) +static int iwl6000_hw_channel_switch(struct iwl_priv *priv, + struct ieee80211_channel_switch *ch_switch) { struct iwl6000_channel_switch_cmd cmd; const struct iwl_channel_info *ch_info; + u32 switch_time_in_usec, ucode_switch_time; + u16 ch; + u32 tsf_low; + u8 switch_count; + u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval); + struct ieee80211_vif *vif = priv->vif; struct iwl_host_cmd hcmd = { .id = REPLY_CHANNEL_SWITCH, .len = sizeof(cmd), - .flags = CMD_SIZE_HUGE, + .flags = CMD_SYNC, .data = &cmd, }; - IWL_DEBUG_11H(priv, "channel switch from %d to %d\n", - priv->active_rxon.channel, channel); - cmd.band = priv->band == IEEE80211_BAND_2GHZ; - cmd.channel = cpu_to_le16(channel); + ch = ieee80211_frequency_to_channel(ch_switch->channel->center_freq); + IWL_DEBUG_11H(priv, "channel switch from %u to %u\n", + priv->active_rxon.channel, ch); + cmd.channel = cpu_to_le16(ch); cmd.rxon_flags = priv->staging_rxon.flags; cmd.rxon_filter_flags = priv->staging_rxon.filter_flags; - cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); - ch_info = iwl_get_channel_info(priv, priv->band, channel); + switch_count = ch_switch->count; + tsf_low = ch_switch->timestamp & 0x0ffffffff; + /* + * calculate the ucode channel switch time + * adding TSF as one of the factor for when to switch + */ + if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) { + if (switch_count > ((priv->ucode_beacon_time - tsf_low) / + beacon_interval)) { + switch_count -= (priv->ucode_beacon_time - + tsf_low) / beacon_interval; + } else + switch_count = 0; + } + if (switch_count <= 1) + cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); + else { + switch_time_in_usec = + vif->bss_conf.beacon_int * switch_count * TIME_UNIT; + ucode_switch_time = iwl_usecs_to_beacons(priv, + switch_time_in_usec, + beacon_interval); + cmd.switch_time = iwl_add_beacon_time(priv, + priv->ucode_beacon_time, + ucode_switch_time, + beacon_interval); + } + IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n", + cmd.switch_time); + ch_info = iwl_get_channel_info(priv, priv->band, ch); if (ch_info) cmd.expect_beacon = is_channel_radar(ch_info); else { IWL_ERR(priv, "invalid channel switch from %u to %u\n", - priv->active_rxon.channel, channel); + priv->active_rxon.channel, ch); return -EFAULT; } - priv->switch_rxon.channel = cpu_to_le16(channel); + priv->switch_rxon.channel = cmd.channel; priv->switch_rxon.switch_in_progress = true; return iwl_send_cmd_sync(priv, &hcmd); @@ -335,6 +378,25 @@ static const struct iwl_ops iwl6000_ops = { .led = &iwlagn_led_ops, }; +static void do_not_send_bt_config(struct iwl_priv *priv) +{ +} + +static struct iwl_hcmd_ops iwl6000g2b_hcmd = { + .rxon_assoc = iwlagn_send_rxon_assoc, + .commit_rxon = iwl_commit_rxon, + .set_rxon_chain = iwl_set_rxon_chain, + .set_tx_ant = iwlagn_send_tx_ant_config, + .send_bt_config = do_not_send_bt_config, +}; + +static const struct iwl_ops iwl6000g2b_ops = { + .lib = &iwl6000_lib, + .hcmd = &iwl6000g2b_hcmd, + .utils = &iwlagn_hcmd_utils, + .led = &iwlagn_led_ops, +}; + static struct iwl_lib_ops iwl6050_lib = { .set_hw_params = iwl6050_hw_set_hw_params, .txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl, @@ -445,6 +507,268 @@ struct iwl_cfg iwl6000g2a_2agn_cfg = { .chain_noise_calib_by_driver = true, }; +struct iwl_cfg iwl6000g2a_2abg_cfg = { + .name = "6000 Series 2x2 ABG Gen2a", + .fw_name_pre = IWL6000G2A_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_A|IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2a_2bg_cfg = { + .name = "6000 Series 2x2 BG Gen2a", + .fw_name_pre = IWL6000G2A_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2b_2agn_cfg = { + .name = "6000 Series 2x2 AGN Gen2b", + .fw_name_pre = IWL6000G2B_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, + .ops = &iwl6000g2b_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2b_2abg_cfg = { + .name = "6000 Series 2x2 ABG Gen2b", + .fw_name_pre = IWL6000G2B_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_A|IWL_SKU_G, + .ops = &iwl6000g2b_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2b_2bgn_cfg = { + .name = "6000 Series 2x2 BGN Gen2b", + .fw_name_pre = IWL6000G2B_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_G|IWL_SKU_N, + .ops = &iwl6000g2b_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2b_2bg_cfg = { + .name = "6000 Series 2x2 BG Gen2b", + .fw_name_pre = IWL6000G2B_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_G, + .ops = &iwl6000g2b_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2b_bgn_cfg = { + .name = "6000 Series 1x2 BGN Gen2b", + .fw_name_pre = IWL6000G2B_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_G|IWL_SKU_N, + .ops = &iwl6000g2b_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_A, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + +struct iwl_cfg iwl6000g2b_bg_cfg = { + .name = "6000 Series 1x2 BG Gen2b", + .fw_name_pre = IWL6000G2B_FW_PRE, + .ucode_api_max = IWL6000G2_UCODE_API_MAX, + .ucode_api_min = IWL6000G2_UCODE_API_MIN, + .sku = IWL_SKU_G, + .ops = &iwl6000g2b_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_A, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 512, +}; + /* * "i": Internal configuration, use internal Power Amplifier */ @@ -667,3 +991,4 @@ struct iwl_cfg iwl6000_3agn_cfg = { MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6000G2A_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL6000G2B_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c index 48c023b4ca36..3d08dc8af143 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c @@ -28,6 +28,27 @@ #include "iwl-agn-debugfs.h" +static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) +{ + int p = 0; + + p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", + le32_to_cpu(priv->statistics.flag)); + if (le32_to_cpu(priv->statistics.flag) & + UCODE_STATISTICS_CLEAR_MSK) + p += scnprintf(buf + p, bufsz - p, + "\tStatistics have been cleared\n"); + p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", + (le32_to_cpu(priv->statistics.flag) & + UCODE_STATISTICS_FREQUENCY_MSK) + ? "2.4 GHz" : "5.2 GHz"); + p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", + (le32_to_cpu(priv->statistics.flag) & + UCODE_STATISTICS_NARROW_BAND_MSK) + ? "enabled" : "disabled"); + return p; +} + ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -75,7 +96,7 @@ ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf, max_general = &priv->max_delta.rx.general; max_ht = &priv->max_delta.rx.ofdm_ht; - pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); + pos += iwl_statistics_flag(priv, buf, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "%-32s current" "acumulative delta max\n", "Statistics_Rx - OFDM:"); @@ -543,7 +564,7 @@ ssize_t iwl_ucode_tx_stats_read(struct file *file, accum_tx = &priv->accum_statistics.tx; delta_tx = &priv->delta_statistics.tx; max_tx = &priv->max_delta.tx; - pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); + pos += iwl_statistics_flag(priv, buf, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "%-32s current" "acumulative delta max\n", "Statistics_Tx:"); @@ -768,7 +789,7 @@ ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf, accum_div = &priv->accum_statistics.general.div; delta_div = &priv->delta_statistics.general.div; max_div = &priv->max_delta.general.div; - pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); + pos += iwl_statistics_flag(priv, buf, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "%-32s current" "acumulative delta max\n", "Statistics_General:"); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c index 44ef5d93befc..3f765ba15cb8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c @@ -37,7 +37,7 @@ #include "iwl-io.h" #include "iwl-agn.h" -static int iwlagn_send_rxon_assoc(struct iwl_priv *priv) +int iwlagn_send_rxon_assoc(struct iwl_priv *priv) { int ret = 0; struct iwl5000_rxon_assoc_cmd rxon_assoc; @@ -84,7 +84,7 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv) return ret; } -static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) +int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) { struct iwl_tx_ant_config_cmd tx_ant_cmd = { .valid = cpu_to_le32(valid_tx_ant), @@ -176,14 +176,6 @@ static void iwlagn_gain_computation(struct iwl_priv *priv, data->radio_write = 1; data->state = IWL_CHAIN_NOISE_CALIBRATED; } - - data->chain_noise_a = 0; - data->chain_noise_b = 0; - data->chain_noise_c = 0; - data->chain_signal_a = 0; - data->chain_signal_b = 0; - data->chain_signal_c = 0; - data->beacon_count = 0; } static void iwlagn_chain_noise_reset(struct iwl_priv *priv) @@ -191,10 +183,20 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv) struct iwl_chain_noise_data *data = &priv->chain_noise_data; int ret; - if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) { + if ((data->state == IWL_CHAIN_NOISE_ALIVE) && + iwl_is_associated(priv)) { struct iwl_calib_chain_noise_reset_cmd cmd; - memset(&cmd, 0, sizeof(cmd)); + /* clear data for chain noise calibration algorithm */ + data->chain_noise_a = 0; + data->chain_noise_b = 0; + data->chain_noise_c = 0; + data->chain_signal_a = 0; + data->chain_signal_b = 0; + data->chain_signal_c = 0; + data->beacon_count = 0; + + memset(&cmd, 0, sizeof(cmd)); cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD; cmd.hdr.first_group = 0; cmd.hdr.groups_num = 1; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 0f292a210ed9..0e7b0661d61d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -77,7 +77,7 @@ static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, StartIdx=%d idx=%d\n", agg->frame_count, agg->start_idx, idx); - info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]); + info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb); info->status.rates[0].count = tx_resp->failure_frame + 1; info->flags &= ~IEEE80211_TX_CTL_AMPDU; info->flags |= iwl_tx_status_to_mac80211(status); @@ -93,6 +93,12 @@ static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv, } else { /* Two or more frames were attempted; expect block-ack */ u64 bitmap = 0; + + /* + * Start is the lowest frame sent. It may not be the first + * frame in the batch; we figure this out dynamically during + * the following loop. + */ int start = agg->start_idx; /* Construct bit-map of pending frames within Tx window */ @@ -131,25 +137,58 @@ static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY(priv, "AGG Frame i=%d idx %d seq=%d\n", i, idx, SEQ_TO_SN(sc)); + /* + * sh -> how many frames ahead of the starting frame is + * the current one? + * + * Note that all frames sent in the batch must be in a + * 64-frame window, so this number should be in [0,63]. + * If outside of this window, then we've found a new + * "first" frame in the batch and need to change start. + */ sh = idx - start; - if (sh > 64) { - sh = (start - idx) + 0xff; + + /* + * If >= 64, out of window. start must be at the front + * of the circular buffer, idx must be near the end of + * the buffer, and idx is the new "first" frame. Shift + * the indices around. + */ + if (sh >= 64) { + /* Shift bitmap by start - idx, wrapped */ + sh = 0x100 - idx + start; bitmap = bitmap << sh; + /* Now idx is the new start so sh = 0 */ sh = 0; start = idx; - } else if (sh < -64) - sh = 0xff - (start - idx); - else if (sh < 0) { + /* + * If <= -64 then wraps the 256-pkt circular buffer + * (e.g., start = 255 and idx = 0, sh should be 1) + */ + } else if (sh <= -64) { + sh = 0x100 - start + idx; + /* + * If < 0 but > -64, out of window. idx is before start + * but not wrapped. Shift the indices around. + */ + } else if (sh < 0) { + /* Shift by how far start is ahead of idx */ sh = start - idx; - start = idx; bitmap = bitmap << sh; + /* Now idx is the new start so sh = 0 */ + start = idx; sh = 0; } + /* Sequence number start + sh was sent in this batch */ bitmap |= 1ULL << sh; IWL_DEBUG_TX_REPLY(priv, "start=%d bitmap=0x%llx\n", start, (unsigned long long)bitmap); } + /* + * Store the bitmap and possibly the new start, if we wrapped + * the buffer above + */ agg->bitmap = bitmap; agg->start_idx = start; IWL_DEBUG_TX_REPLY(priv, "Frames %d start_idx=%d bitmap=0x%llx\n", @@ -184,6 +223,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv, int tid; int sta_id; int freed; + unsigned long flags; if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) { IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d " @@ -193,15 +233,16 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv, return; } - info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]); + info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb); memset(&info->status, 0, sizeof(info->status)); tid = (tx_resp->ra_tid & IWL50_TX_RES_TID_MSK) >> IWL50_TX_RES_TID_POS; sta_id = (tx_resp->ra_tid & IWL50_TX_RES_RA_MSK) >> IWL50_TX_RES_RA_POS; + spin_lock_irqsave(&priv->sta_lock, flags); if (txq->sched_retry) { const u32 scd_ssn = iwlagn_get_scd_ssn(tx_resp); - struct iwl_ht_agg *agg = NULL; + struct iwl_ht_agg *agg; agg = &priv->stations[sta_id].tid[tid].agg; @@ -256,6 +297,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv, iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); iwl_check_abort_status(priv, tx_resp->frame_count, status); + spin_unlock_irqrestore(&priv->sta_lock, flags); } void iwlagn_rx_handler_setup(struct iwl_priv *priv) @@ -444,7 +486,7 @@ int iwlagn_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq) /* Tell device where to find RBD circular buffer in DRAM */ iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_BASE_REG, - (u32)(rxq->dma_addr >> 8)); + (u32)(rxq->bd_dma >> 8)); /* Tell device where in DRAM to update its Rx status */ iwl_write_direct32(priv, FH_RSCSR_CHNL0_STTS_WPTR_REG, @@ -709,7 +751,7 @@ void iwlagn_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) } dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd, - rxq->dma_addr); + rxq->bd_dma); dma_free_coherent(&priv->pci_dev->dev, sizeof(struct iwl_rb_status), rxq->rb_stts, rxq->rb_stts_dma); rxq->bd = NULL; @@ -755,132 +797,6 @@ static inline int iwlagn_calc_rssi(struct iwl_priv *priv, return priv->cfg->ops->utils->calc_rssi(priv, rx_resp); } -#ifdef CONFIG_IWLWIFI_DEBUG -/** - * iwlagn_dbg_report_frame - dump frame to syslog during debug sessions - * - * You may hack this function to show different aspects of received frames, - * including selective frame dumps. - * group100 parameter selects whether to show 1 out of 100 good data frames. - * All beacon and probe response frames are printed. - */ -static void iwlagn_dbg_report_frame(struct iwl_priv *priv, - struct iwl_rx_phy_res *phy_res, u16 length, - struct ieee80211_hdr *header, int group100) -{ - u32 to_us; - u32 print_summary = 0; - u32 print_dump = 0; /* set to 1 to dump all frames' contents */ - u32 hundred = 0; - u32 dataframe = 0; - __le16 fc; - u16 seq_ctl; - u16 channel; - u16 phy_flags; - u32 rate_n_flags; - u32 tsf_low; - int rssi; - - if (likely(!(iwl_get_debug_level(priv) & IWL_DL_RX))) - return; - - /* MAC header */ - fc = header->frame_control; - seq_ctl = le16_to_cpu(header->seq_ctrl); - - /* metadata */ - channel = le16_to_cpu(phy_res->channel); - phy_flags = le16_to_cpu(phy_res->phy_flags); - rate_n_flags = le32_to_cpu(phy_res->rate_n_flags); - - /* signal statistics */ - rssi = iwlagn_calc_rssi(priv, phy_res); - tsf_low = le64_to_cpu(phy_res->timestamp) & 0x0ffffffff; - - to_us = !compare_ether_addr(header->addr1, priv->mac_addr); - - /* if data frame is to us and all is good, - * (optionally) print summary for only 1 out of every 100 */ - if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) == - cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) { - dataframe = 1; - if (!group100) - print_summary = 1; /* print each frame */ - else if (priv->framecnt_to_us < 100) { - priv->framecnt_to_us++; - print_summary = 0; - } else { - priv->framecnt_to_us = 0; - print_summary = 1; - hundred = 1; - } - } else { - /* print summary for all other frames */ - print_summary = 1; - } - - if (print_summary) { - char *title; - int rate_idx; - u32 bitrate; - - if (hundred) - title = "100Frames"; - else if (ieee80211_has_retry(fc)) - title = "Retry"; - else if (ieee80211_is_assoc_resp(fc)) - title = "AscRsp"; - else if (ieee80211_is_reassoc_resp(fc)) - title = "RasRsp"; - else if (ieee80211_is_probe_resp(fc)) { - title = "PrbRsp"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_beacon(fc)) { - title = "Beacon"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_atim(fc)) - title = "ATIM"; - else if (ieee80211_is_auth(fc)) - title = "Auth"; - else if (ieee80211_is_deauth(fc)) - title = "DeAuth"; - else if (ieee80211_is_disassoc(fc)) - title = "DisAssoc"; - else - title = "Frame"; - - rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags); - if (unlikely((rate_idx < 0) || (rate_idx >= IWL_RATE_COUNT))) { - bitrate = 0; - WARN_ON_ONCE(1); - } else { - bitrate = iwl_rates[rate_idx].ieee / 2; - } - - /* print frame summary. - * MAC addresses show just the last byte (for brevity), - * but you can hack it to show more, if you'd like to. */ - if (dataframe) - IWL_DEBUG_RX(priv, "%s: mhd=0x%04x, dst=0x%02x, " - "len=%u, rssi=%d, chnl=%d, rate=%u,\n", - title, le16_to_cpu(fc), header->addr1[5], - length, rssi, channel, bitrate); - else { - /* src/dst addresses assume managed mode */ - IWL_DEBUG_RX(priv, "%s: 0x%04x, dst=0x%02x, src=0x%02x, " - "len=%u, rssi=%d, tim=%lu usec, " - "phy=0x%02x, chnl=%d\n", - title, le16_to_cpu(fc), header->addr1[5], - header->addr3[5], length, rssi, - tsf_low - priv->scan_start_tsf, - phy_flags, channel); - } - } - if (print_dump) - iwl_print_hex_dump(priv, IWL_DL_RX, header, length); -} -#endif - static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) { u32 decrypt_out = 0; @@ -988,7 +904,7 @@ void iwlagn_rx_reply_rx(struct iwl_priv *priv, struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_rx_phy_res *phy_res; __le32 rx_pkt_status; - struct iwl4965_rx_mpdu_res_start *amsdu; + struct iwl_rx_mpdu_res_start *amsdu; u32 len; u32 ampdu_status; u32 rate_n_flags; @@ -1017,7 +933,7 @@ void iwlagn_rx_reply_rx(struct iwl_priv *priv, return; } phy_res = &priv->_agn.last_phy_res; - amsdu = (struct iwl4965_rx_mpdu_res_start *)pkt->u.raw; + amsdu = (struct iwl_rx_mpdu_res_start *)pkt->u.raw; header = (struct ieee80211_hdr *)(pkt->u.raw + sizeof(*amsdu)); len = le16_to_cpu(amsdu->byte_count); rx_pkt_status = *(__le32 *)(pkt->u.raw + sizeof(*amsdu) + len); @@ -1060,11 +976,6 @@ void iwlagn_rx_reply_rx(struct iwl_priv *priv, /* Find max signal strength (dBm) among 3 antenna/receiver chains */ rx_status.signal = iwlagn_calc_rssi(priv, phy_res); -#ifdef CONFIG_IWLWIFI_DEBUG - /* Set "1" to report good data frames in groups of 100 */ - if (unlikely(iwl_get_debug_level(priv) & IWL_DL_RX)) - iwlagn_dbg_report_frame(priv, phy_res, len, header, 1); -#endif iwl_dbg_log_rx_data_frame(priv, len, header); IWL_DEBUG_STATS_LIMIT(priv, "Rssi %d, TSF %llu\n", rx_status.signal, (unsigned long long)rx_status.mactime); @@ -1252,6 +1163,7 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) bool is_active = false; int chan_mod; u8 active_chains; + u8 scan_tx_antennas = priv->hw_params.valid_tx_ant; conf = ieee80211_get_hw_conf(priv->hw); @@ -1403,11 +1315,14 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) band = priv->scan_band; - if (priv->cfg->scan_antennas[band]) - rx_ant = priv->cfg->scan_antennas[band]; + if (priv->cfg->scan_rx_antennas[band]) + rx_ant = priv->cfg->scan_rx_antennas[band]; - priv->scan_tx_ant[band] = - iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band]); + if (priv->cfg->scan_tx_antennas[band]) + scan_tx_antennas = priv->cfg->scan_tx_antennas[band]; + + priv->scan_tx_ant[band] = iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band], + scan_tx_antennas); rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]); scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags); @@ -1433,13 +1348,15 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) if (!priv->is_internal_short_scan) { cmd_len = iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, + vif->addr, priv->scan_request->ie, priv->scan_request->ie_len, IWL_MAX_SCAN_SIZE - sizeof(*scan)); } else { + /* use bcast addr, will not be transmitted but must be valid */ cmd_len = iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, - NULL, 0, + iwl_bcast_addr, NULL, 0, IWL_MAX_SCAN_SIZE - sizeof(*scan)); } @@ -1502,3 +1419,18 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv, return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id, vif->bss_conf.bssid); } + +void iwl_free_tfds_in_queue(struct iwl_priv *priv, + int sta_id, int tid, int freed) +{ + WARN_ON(!spin_is_locked(&priv->sta_lock)); + + if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed) + priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + else { + IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n", + priv->stations[sta_id].tid[tid].tfds_in_queue, + freed); + priv->stations[sta_id].tid[tid].tfds_in_queue = 0; + } +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index cf4a95bae4ff..40933a5de027 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -313,8 +313,7 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv, */ IWL_DEBUG_HT(priv, "Fail start Tx agg on tid: %d\n", tid); - ieee80211_stop_tx_ba_session(sta, tid, - WLAN_BACK_INITIATOR); + ieee80211_stop_tx_ba_session(sta, tid); } } else IWL_ERR(priv, "Fail finding valid aggregation tid: %d\n", tid); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 7d614c4d3c62..84df7fca750d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -469,7 +469,8 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, } /* Set up antennas */ - priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant); + priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, + priv->hw_params.valid_tx_ant); rate_flags |= iwl_ant_idx_to_flags(priv->mgmt_tx_ant); /* Set the rate in the TX cmd */ @@ -567,10 +568,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) hdr_len = ieee80211_hdrlen(fc); /* Find index into station table for destination station */ - if (!info->control.sta) - sta_id = priv->hw_params.bcast_sta_id; - else - sta_id = iwl_sta_id(info->control.sta); + sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta); if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n", hdr->addr1); @@ -598,11 +596,17 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) } txq_id = get_queue_from_ac(skb_get_queue_mapping(skb)); + + /* irqs already disabled/saved above when locking priv->lock */ + spin_lock(&priv->sta_lock); + if (ieee80211_is_data_qos(fc)) { qc = ieee80211_get_qos_ctl(hdr); tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; - if (unlikely(tid >= MAX_TID_COUNT)) + if (WARN_ON_ONCE(tid >= MAX_TID_COUNT)) { + spin_unlock(&priv->sta_lock); goto drop_unlock; + } seq_number = priv->stations[sta_id].tid[tid].seq_number; seq_number &= IEEE80211_SCTL_SEQ; hdr->seq_ctrl = hdr->seq_ctrl & @@ -620,15 +624,22 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) swq_id = txq->swq_id; q = &txq->q; - if (unlikely(iwl_queue_space(q) < q->high_mark)) + if (unlikely(iwl_queue_space(q) < q->high_mark)) { + spin_unlock(&priv->sta_lock); goto drop_unlock; + } - if (ieee80211_is_data_qos(fc)) + if (ieee80211_is_data_qos(fc)) { priv->stations[sta_id].tid[tid].tfds_in_queue++; + if (!ieee80211_has_morefrags(fc)) + priv->stations[sta_id].tid[tid].seq_number = seq_number; + } + + spin_unlock(&priv->sta_lock); /* Set up driver data for this TFD */ memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info)); - txq->txb[q->write_ptr].skb[0] = skb; + txq->txb[q->write_ptr].skb = skb; /* Set up first empty entry in queue's array of Tx/cmd buffers */ out_cmd = txq->cmd[q->write_ptr]; @@ -694,8 +705,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) txcmd_phys = pci_map_single(priv->pci_dev, &out_cmd->hdr, len, PCI_DMA_BIDIRECTIONAL); - pci_unmap_addr_set(out_meta, mapping, txcmd_phys); - pci_unmap_len_set(out_meta, len, len); + dma_unmap_addr_set(out_meta, mapping, txcmd_phys); + dma_unmap_len_set(out_meta, len, len); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, @@ -703,8 +714,6 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (!ieee80211_has_morefrags(hdr->frame_control)) { txq->need_update = 1; - if (qc) - priv->stations[sta_id].tid[tid].seq_number = seq_number; } else { wait_write_ptr = 1; txq->need_update = 0; @@ -1009,6 +1018,8 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, if (ret) return ret; + spin_lock_irqsave(&priv->sta_lock, flags); + tid_data = &priv->stations[sta_id].tid[tid]; if (tid_data->tfds_in_queue == 0) { IWL_DEBUG_HT(priv, "HW queue is empty\n"); tid_data->agg.state = IWL_AGG_ON; @@ -1018,6 +1029,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, tid_data->tfds_in_queue); tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; } + spin_unlock_irqrestore(&priv->sta_lock, flags); return ret; } @@ -1040,11 +1052,14 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, return -ENXIO; } + spin_lock_irqsave(&priv->sta_lock, flags); + if (priv->stations[sta_id].tid[tid].agg.state == IWL_EMPTYING_HW_QUEUE_ADDBA) { IWL_DEBUG_HT(priv, "AGG stop before setup done\n"); ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF; + spin_unlock_irqrestore(&priv->sta_lock, flags); return 0; } @@ -1062,13 +1077,17 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n"); priv->stations[sta_id].tid[tid].agg.state = IWL_EMPTYING_HW_QUEUE_DELBA; + spin_unlock_irqrestore(&priv->sta_lock, flags); return 0; } IWL_DEBUG_HT(priv, "HW queue is empty\n"); priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF; - spin_lock_irqsave(&priv->lock, flags); + /* do not restore/save irqs */ + spin_unlock(&priv->sta_lock); + spin_lock(&priv->lock); + /* * the only reason this call can fail is queue number out of range, * which can happen if uCode is reloaded and all the station @@ -1092,6 +1111,8 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv, u8 *addr = priv->stations[sta_id].sta.sta.addr; struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid]; + WARN_ON(!spin_is_locked(&priv->sta_lock)); + switch (priv->stations[sta_id].tid[tid].agg.state) { case IWL_EMPTYING_HW_QUEUE_DELBA: /* We are reclaiming the last packet of the */ @@ -1116,6 +1137,7 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv, } break; } + return 0; } @@ -1159,12 +1181,12 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { tx_info = &txq->txb[txq->q.read_ptr]; - iwlagn_tx_status(priv, tx_info->skb[0]); + iwlagn_tx_status(priv, tx_info->skb); - hdr = (struct ieee80211_hdr *)tx_info->skb[0]->data; + hdr = (struct ieee80211_hdr *)tx_info->skb->data; if (hdr && ieee80211_is_data_qos(hdr->frame_control)) nfreed++; - tx_info->skb[0] = NULL; + tx_info->skb = NULL; if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl) priv->cfg->ops->lib->txq_inval_byte_cnt_tbl(priv, txq); @@ -1188,7 +1210,7 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv, int i, sh, ack; u16 seq_ctl = le16_to_cpu(ba_resp->seq_ctl); u16 scd_flow = le16_to_cpu(ba_resp->scd_flow); - u64 bitmap; + u64 bitmap, sent_bitmap; int successes = 0; struct ieee80211_tx_info *info; @@ -1216,24 +1238,26 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv, /* check for success or failure according to the * transmitted bitmap and block-ack bitmap */ - bitmap &= agg->bitmap; + sent_bitmap = bitmap & agg->bitmap; /* For each frame attempted in aggregation, * update driver's record of tx frame's status. */ - for (i = 0; i < agg->frame_count ; i++) { - ack = bitmap & (1ULL << i); - successes += !!ack; + i = 0; + while (sent_bitmap) { + ack = sent_bitmap & 1ULL; + successes += ack; IWL_DEBUG_TX_REPLY(priv, "%s ON i=%d idx=%d raw=%d\n", ack ? "ACK" : "NACK", i, (agg->start_idx + i) & 0xff, agg->start_idx + i); + sent_bitmap >>= 1; + ++i; } - info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]); + info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb); memset(&info->status, 0, sizeof(info->status)); info->flags |= IEEE80211_TX_STAT_ACK; info->flags |= IEEE80211_TX_STAT_AMPDU; info->status.ampdu_ack_len = successes; - info->status.ampdu_ack_map = bitmap; info->status.ampdu_len = agg->frame_count; iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info); @@ -1281,6 +1305,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, int index; int sta_id; int tid; + unsigned long flags; /* "flow" corresponds to Tx queue */ u16 scd_flow = le16_to_cpu(ba_resp->scd_flow); @@ -1308,7 +1333,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, /* Find index just before block-ack window */ index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd); - /* TODO: Need to get this copy more safely - now good for debug */ + spin_lock_irqsave(&priv->sta_lock, flags); IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, " "sta_id = %d\n", @@ -1344,4 +1369,6 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow); } + + spin_unlock_irqrestore(&priv->sta_lock, flags); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index 637286c396fe..6f77441cb65a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -423,3 +423,126 @@ int iwlagn_alive_notify(struct iwl_priv *priv) return 0; } + + +/** + * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host, + * using sample data 100 bytes apart. If these sample points are good, + * it's a pretty good bet that everything between them is good, too. + */ +static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) +{ + u32 val; + int ret = 0; + u32 errcnt = 0; + u32 i; + + IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len); + + for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { + /* read data comes through single port, auto-incr addr */ + /* NOTE: Use the debugless read so we don't flood kernel log + * if IWL_DL_IO is set */ + iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, + i + IWLAGN_RTC_INST_LOWER_BOUND); + val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + if (val != le32_to_cpu(*image)) { + ret = -EIO; + errcnt++; + if (errcnt >= 3) + break; + } + } + + return ret; +} + +/** + * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host, + * looking at all data. + */ +static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image, + u32 len) +{ + u32 val; + u32 save_len = len; + int ret = 0; + u32 errcnt; + + IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len); + + iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, + IWLAGN_RTC_INST_LOWER_BOUND); + + errcnt = 0; + for (; len > 0; len -= sizeof(u32), image++) { + /* read data comes through single port, auto-incr addr */ + /* NOTE: Use the debugless read so we don't flood kernel log + * if IWL_DL_IO is set */ + val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + if (val != le32_to_cpu(*image)) { + IWL_ERR(priv, "uCode INST section is invalid at " + "offset 0x%x, is 0x%x, s/b 0x%x\n", + save_len - len, val, le32_to_cpu(*image)); + ret = -EIO; + errcnt++; + if (errcnt >= 20) + break; + } + } + + if (!errcnt) + IWL_DEBUG_INFO(priv, + "ucode image in INSTRUCTION memory is good\n"); + + return ret; +} + +/** + * iwl_verify_ucode - determine which instruction image is in SRAM, + * and verify its contents + */ +int iwl_verify_ucode(struct iwl_priv *priv) +{ + __le32 *image; + u32 len; + int ret; + + /* Try bootstrap */ + image = (__le32 *)priv->ucode_boot.v_addr; + len = priv->ucode_boot.len; + ret = iwlcore_verify_inst_sparse(priv, image, len); + if (!ret) { + IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n"); + return 0; + } + + /* Try initialize */ + image = (__le32 *)priv->ucode_init.v_addr; + len = priv->ucode_init.len; + ret = iwlcore_verify_inst_sparse(priv, image, len); + if (!ret) { + IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n"); + return 0; + } + + /* Try runtime/protocol */ + image = (__le32 *)priv->ucode_code.v_addr; + len = priv->ucode_code.len; + ret = iwlcore_verify_inst_sparse(priv, image, len); + if (!ret) { + IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n"); + return 0; + } + + IWL_ERR(priv, "NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n"); + + /* Since nothing seems to match, show first several data entries in + * instruction SRAM, so maybe visual inspection will give a clue. + * Selection of bootstrap image (vs. other images) is arbitrary. */ + image = (__le32 *)priv->ucode_boot.v_addr; + len = priv->ucode_boot.len; + ret = iwl_verify_inst_full(priv, image, len); + + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 24aff654fa9c..d857f8496f69 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -120,7 +120,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) (priv->switch_rxon.channel != priv->staging_rxon.channel)) { IWL_DEBUG_11H(priv, "abort channel switch on %d\n", le16_to_cpu(priv->switch_rxon.channel)); - priv->switch_rxon.switch_in_progress = false; + iwl_chswitch_done(priv, false); } /* If we don't need to send a full RXON, we can use @@ -367,7 +367,8 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv, /* Set up packet rate and flags */ rate = iwl_rate_get_lowest_plcp(priv); - priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant); + priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, + priv->hw_params.valid_tx_ant); rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); if ((rate >= IWL_FIRST_CCK_RATE) && (rate <= IWL_LAST_CCK_RATE)) rate_flags |= RATE_MCS_CCK_MSK; @@ -474,18 +475,25 @@ void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq) /* Unmap tx_cmd */ if (num_tbs) pci_unmap_single(dev, - pci_unmap_addr(&txq->meta[index], mapping), - pci_unmap_len(&txq->meta[index], len), + dma_unmap_addr(&txq->meta[index], mapping), + dma_unmap_len(&txq->meta[index], len), PCI_DMA_BIDIRECTIONAL); /* Unmap chunks, if any. */ - for (i = 1; i < num_tbs; i++) { + for (i = 1; i < num_tbs; i++) pci_unmap_single(dev, iwl_tfd_tb_get_addr(tfd, i), iwl_tfd_tb_get_len(tfd, i), PCI_DMA_TODEVICE); - if (txq->txb) { - dev_kfree_skb(txq->txb[txq->q.read_ptr].skb[i - 1]); - txq->txb[txq->q.read_ptr].skb[i - 1] = NULL; + /* free SKB */ + if (txq->txb) { + struct sk_buff *skb; + + skb = txq->txb[txq->q.read_ptr].skb; + + /* can be called from irqs-disabled context */ + if (skb) { + dev_kfree_skb_any(skb); + txq->txb[txq->q.read_ptr].skb = NULL; } } } @@ -933,6 +941,8 @@ void iwl_rx_handle(struct iwl_priv *priv) fill_rx = 1; while (i != r) { + int len; + rxb = rxq->queue[i]; /* If an RXB doesn't have a Rx queue slot associated with it, @@ -947,8 +957,9 @@ void iwl_rx_handle(struct iwl_priv *priv) PCI_DMA_FROMDEVICE); pkt = rxb_addr(rxb); - trace_iwlwifi_dev_rx(priv, pkt, - le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK); + len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + len += sizeof(u32); /* account for status word */ + trace_iwlwifi_dev_rx(priv, pkt, len); /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. @@ -1466,7 +1477,12 @@ bool iwl_good_ack_health(struct iwl_priv *priv, " expected_ack_cnt = %d\n", actual_ack_cnt_delta, expected_ack_cnt_delta); -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS + /* + * This is ifdef'ed on DEBUGFS because otherwise the + * statistics aren't available. If DEBUGFS is set but + * DEBUG is not, these will just compile out. + */ IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n", priv->delta_statistics.tx.rx_detected_cnt); IWL_DEBUG_RADIO(priv, @@ -1694,6 +1710,9 @@ struct iwlagn_firmware_pieces { size_t inst_size, data_size, init_size, init_data_size, boot_size; u32 build; + + u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; + u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; }; static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, @@ -1871,6 +1890,42 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, capa->max_probe_length = le32_to_cpup((__le32 *)tlv_data); break; + case IWL_UCODE_TLV_INIT_EVTLOG_PTR: + if (tlv_len != 4) + return -EINVAL; + pieces->init_evtlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: + if (tlv_len != 4) + return -EINVAL; + pieces->init_evtlog_size = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_INIT_ERRLOG_PTR: + if (tlv_len != 4) + return -EINVAL; + pieces->init_errlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: + if (tlv_len != 4) + return -EINVAL; + pieces->inst_evtlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: + if (tlv_len != 4) + return -EINVAL; + pieces->inst_evtlog_size = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: + if (tlv_len != 4) + return -EINVAL; + pieces->inst_errlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; default: break; } @@ -2063,6 +2118,26 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) goto err_pci_alloc; } + /* Now that we can no longer fail, copy information */ + + /* + * The (size - 16) / 12 formula is based on the information recorded + * for each event, which is of mode 1 (including timestamp) for all + * new microcodes that include this information. + */ + priv->_agn.init_evtlog_ptr = pieces.init_evtlog_ptr; + if (pieces.init_evtlog_size) + priv->_agn.init_evtlog_size = (pieces.init_evtlog_size - 16)/12; + else + priv->_agn.init_evtlog_size = priv->cfg->max_event_log_size; + priv->_agn.init_errlog_ptr = pieces.init_errlog_ptr; + priv->_agn.inst_evtlog_ptr = pieces.inst_evtlog_ptr; + if (pieces.inst_evtlog_size) + priv->_agn.inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; + else + priv->_agn.inst_evtlog_size = priv->cfg->max_event_log_size; + priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr; + /* Copy images into buffers for card's bus-master reads ... */ /* Runtime instructions (first block of data in file) */ @@ -2195,10 +2270,15 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv) u32 blink1, blink2, ilink1, ilink2; u32 pc, hcmd; - if (priv->ucode_type == UCODE_INIT) + if (priv->ucode_type == UCODE_INIT) { base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr); - else + if (!base) + base = priv->_agn.init_errlog_ptr; + } else { base = le32_to_cpu(priv->card_alive.error_event_table_ptr); + if (!base) + base = priv->_agn.inst_errlog_ptr; + } if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { IWL_ERR(priv, @@ -2258,10 +2338,16 @@ static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, if (num_events == 0) return pos; - if (priv->ucode_type == UCODE_INIT) + + if (priv->ucode_type == UCODE_INIT) { base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); - else + if (!base) + base = priv->_agn.init_evtlog_ptr; + } else { base = le32_to_cpu(priv->card_alive.log_event_table_ptr); + if (!base) + base = priv->_agn.inst_evtlog_ptr; + } if (mode == 0) event_size = 2 * sizeof(u32); @@ -2363,13 +2449,21 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ u32 size; /* # entries that we'll print */ + u32 logsize; int pos = 0; size_t bufsz = 0; - if (priv->ucode_type == UCODE_INIT) + if (priv->ucode_type == UCODE_INIT) { base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); - else + logsize = priv->_agn.init_evtlog_size; + if (!base) + base = priv->_agn.init_evtlog_ptr; + } else { base = le32_to_cpu(priv->card_alive.log_event_table_ptr); + logsize = priv->_agn.inst_evtlog_size; + if (!base) + base = priv->_agn.inst_evtlog_ptr; + } if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { IWL_ERR(priv, @@ -2384,16 +2478,16 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); - if (capacity > priv->cfg->max_event_log_size) { + if (capacity > logsize) { IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", - capacity, priv->cfg->max_event_log_size); - capacity = priv->cfg->max_event_log_size; + capacity, logsize); + capacity = logsize; } - if (next_entry > priv->cfg->max_event_log_size) { + if (next_entry > logsize) { IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", - next_entry, priv->cfg->max_event_log_size); - next_entry = priv->cfg->max_event_log_size; + next_entry, logsize); + next_entry = logsize; } size = num_wraps ? capacity : next_entry; @@ -2518,8 +2612,6 @@ static void iwl_alive_start(struct iwl_priv *priv) if (priv->cfg->ops->hcmd->set_rxon_chain) priv->cfg->ops->hcmd->set_rxon_chain(priv); - - memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); } /* Configure Bluetooth device coexistence support */ @@ -2934,20 +3026,16 @@ void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n", vif->bss_conf.aid, vif->bss_conf.beacon_int); - if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE) + if (vif->bss_conf.use_short_preamble) priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.assoc_capability & - WLAN_CAPABILITY_SHORT_SLOT_TIME) + if (vif->bss_conf.use_short_slot) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - - if (vif->type == NL80211_IFTYPE_ADHOC) - priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; } iwlcore_commit_rxon(priv); @@ -3173,8 +3261,7 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif) priv->staging_rxon.assoc_id = 0; - if (vif->bss_conf.assoc_capability & - WLAN_CAPABILITY_SHORT_PREAMBLE) + if (vif->bss_conf.use_short_preamble) priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; else @@ -3182,17 +3269,12 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif) ~RXON_FLG_SHORT_PREAMBLE_MSK; if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.assoc_capability & - WLAN_CAPABILITY_SHORT_SLOT_TIME) + if (vif->bss_conf.use_short_slot) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - - if (vif->type == NL80211_IFTYPE_ADHOC) - priv->staging_rxon.flags &= - ~RXON_FLG_SHORT_SLOT_MSK; } /* restore RXON assoc */ priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK; @@ -3238,17 +3320,9 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -EOPNOTSUPP; } - if (sta) { - sta_id = iwl_sta_id(sta); - - if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n", - sta->addr); - return -EINVAL; - } - } else { - sta_id = priv->hw_params.bcast_sta_id; - } + sta_id = iwl_sta_id_or_broadcast(priv, sta); + if (sta_id == IWL_INVALID_STATION) + return -EINVAL; mutex_lock(&priv->mutex); iwl_scan_cancel_timeout(priv, 100); @@ -3423,6 +3497,98 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, return 0; } +static void iwl_mac_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_channel_switch *ch_switch) +{ + struct iwl_priv *priv = hw->priv; + const struct iwl_channel_info *ch_info; + struct ieee80211_conf *conf = &hw->conf; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; + u16 ch; + unsigned long flags = 0; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (iwl_is_rfkill(priv)) + goto out_exit; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status) || + test_bit(STATUS_SCANNING, &priv->status)) + goto out_exit; + + if (!iwl_is_associated(priv)) + goto out_exit; + + /* channel switch in progress */ + if (priv->switch_rxon.switch_in_progress == true) + goto out_exit; + + mutex_lock(&priv->mutex); + if (priv->cfg->ops->lib->set_channel_switch) { + + ch = ieee80211_frequency_to_channel( + ch_switch->channel->center_freq); + if (le16_to_cpu(priv->active_rxon.channel) != ch) { + ch_info = iwl_get_channel_info(priv, + conf->channel->band, + ch); + if (!is_channel_valid(ch_info)) { + IWL_DEBUG_MAC80211(priv, "invalid channel\n"); + goto out; + } + spin_lock_irqsave(&priv->lock, flags); + + priv->current_ht_config.smps = conf->smps_mode; + + /* Configure HT40 channels */ + ht_conf->is_ht = conf_is_ht(conf); + if (ht_conf->is_ht) { + if (conf_is_ht40_minus(conf)) { + ht_conf->extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ht_conf->is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ht_conf->extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ht_conf->is_40mhz = true; + } else { + ht_conf->extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ht_conf->is_40mhz = false; + } + } else + ht_conf->is_40mhz = false; + + /* if we are switching from ht to 2.4 clear flags + * from any ht related info since 2.4 does not + * support ht */ + if ((le16_to_cpu(priv->staging_rxon.channel) != ch)) + priv->staging_rxon.flags = 0; + + iwl_set_rxon_channel(priv, conf->channel); + iwl_set_rxon_ht(priv, ht_conf); + iwl_set_flags_for_band(priv, conf->channel->band, + priv->vif); + spin_unlock_irqrestore(&priv->lock, flags); + + iwl_set_rate(priv); + /* + * at this point, staging_rxon has the + * configuration for channel switch + */ + if (priv->cfg->ops->lib->set_channel_switch(priv, + ch_switch)) + priv->switch_rxon.switch_in_progress = false; + } + } +out: + mutex_unlock(&priv->mutex); +out_exit: + if (!priv->switch_rxon.switch_in_progress) + ieee80211_chswitch_done(priv->vif, false); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + /***************************************************************************** * * driver setup and teardown @@ -3479,6 +3645,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) cancel_delayed_work(&priv->scan_check); cancel_work_sync(&priv->start_internal_scan); cancel_delayed_work(&priv->alive_start); + cancel_work_sync(&priv->run_time_calib_work); cancel_work_sync(&priv->beacon_update); del_timer_sync(&priv->statistics_periodic); del_timer_sync(&priv->ucode_trace); @@ -3594,6 +3761,7 @@ static struct ieee80211_ops iwl_hw_ops = { .sta_notify = iwl_mac_sta_notify, .sta_add = iwlagn_mac_sta_add, .sta_remove = iwl_mac_sta_remove, + .channel_switch = iwl_mac_channel_switch, }; static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -3604,6 +3772,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); unsigned long flags; u16 pci_cmd; + u8 perm_addr[ETH_ALEN]; /************************ * 1. Allocating HW data @@ -3633,9 +3802,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->pci_dev = pdev; priv->inta_mask = CSR_INI_SET_MASK; -#ifdef CONFIG_IWLWIFI_DEBUG - atomic_set(&priv->restrict_refcnt, 0); -#endif if (iwl_alloc_traffic_mem(priv)) IWL_ERR(priv, "Not enough memory to generate traffic log\n"); @@ -3724,9 +3890,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_free_eeprom; /* extract MAC Address */ - iwl_eeprom_get_mac(priv, priv->mac_addr); - IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->mac_addr); - SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); + iwl_eeprom_get_mac(priv, perm_addr); + IWL_DEBUG_INFO(priv, "MAC address: %pM\n", perm_addr); + SET_IEEE80211_PERM_ADDR(priv->hw, perm_addr); /************************ * 5. Setup HW constants @@ -3993,6 +4159,47 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000g2a_2agn_cfg)}, {IWL_PCI_DEVICE(0x0085, 0x1211, iwl6000g2a_2agn_cfg)}, {IWL_PCI_DEVICE(0x0082, 0x1221, iwl6000g2a_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1206, iwl6000g2a_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0085, 0x1216, iwl6000g2a_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1226, iwl6000g2a_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1207, iwl6000g2a_2bg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6000g2a_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6000g2a_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6000g2a_2bg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6000g2a_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6000g2a_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6000g2a_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6000g2a_2abg_cfg)}, + +/* 6x00 Series Gen2b */ + {IWL_PCI_DEVICE(0x008F, 0x5105, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5115, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5125, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5107, iwl6000g2b_bg_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5201, iwl6000g2b_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5221, iwl6000g2b_2agn_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5206, iwl6000g2b_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5226, iwl6000g2b_2abg_cfg)}, + {IWL_PCI_DEVICE(0x008F, 0x5207, iwl6000g2b_2bg_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5301, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5305, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5307, iwl6000g2b_bg_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5321, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5325, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008B, 0x5311, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008B, 0x5315, iwl6000g2b_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6000g2b_2bgn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6000g2b_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6000g2b_2bgn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6000g2b_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6000g2b_2bg_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6000g2b_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6000g2b_2bgn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6000g2b_2abg_cfg)}, /* 6x50 WiFi/WiMax Series */ {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index 2d748053358e..5c32777b0a49 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -65,6 +65,33 @@ #include "iwl-dev.h" +/* configuration for the _agn devices */ +extern struct iwl_cfg iwl4965_agn_cfg; +extern struct iwl_cfg iwl5300_agn_cfg; +extern struct iwl_cfg iwl5100_agn_cfg; +extern struct iwl_cfg iwl5350_agn_cfg; +extern struct iwl_cfg iwl5100_bgn_cfg; +extern struct iwl_cfg iwl5100_abg_cfg; +extern struct iwl_cfg iwl5150_agn_cfg; +extern struct iwl_cfg iwl5150_abg_cfg; +extern struct iwl_cfg iwl6000g2a_2agn_cfg; +extern struct iwl_cfg iwl6000g2a_2abg_cfg; +extern struct iwl_cfg iwl6000g2a_2bg_cfg; +extern struct iwl_cfg iwl6000g2b_bgn_cfg; +extern struct iwl_cfg iwl6000g2b_bg_cfg; +extern struct iwl_cfg iwl6000g2b_2agn_cfg; +extern struct iwl_cfg iwl6000g2b_2abg_cfg; +extern struct iwl_cfg iwl6000g2b_2bgn_cfg; +extern struct iwl_cfg iwl6000g2b_2bg_cfg; +extern struct iwl_cfg iwl6000i_2agn_cfg; +extern struct iwl_cfg iwl6000i_2abg_cfg; +extern struct iwl_cfg iwl6000i_2bg_cfg; +extern struct iwl_cfg iwl6000_3agn_cfg; +extern struct iwl_cfg iwl6050_2agn_cfg; +extern struct iwl_cfg iwl6050_2abg_cfg; +extern struct iwl_cfg iwl1000_bgn_cfg; +extern struct iwl_cfg iwl1000_bg_cfg; + extern struct iwl_mod_params iwlagn_mod_params; extern struct iwl_hcmd_ops iwlagn_hcmd; extern struct iwl_hcmd_utils_ops iwlagn_hcmd_utils; @@ -93,6 +120,8 @@ int iwlagn_txq_agg_enable(struct iwl_priv *priv, int txq_id, int iwlagn_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx, u8 tx_fifo); void iwlagn_txq_set_sched(struct iwl_priv *priv, u32 mask); +void iwl_free_tfds_in_queue(struct iwl_priv *priv, + int sta_id, int tid, int freed); /* uCode */ int iwlagn_load_ucode(struct iwl_priv *priv); @@ -102,6 +131,7 @@ void iwlagn_rx_calib_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); void iwlagn_init_alive_start(struct iwl_priv *priv); int iwlagn_alive_notify(struct iwl_priv *priv); +int iwl_verify_ucode(struct iwl_priv *priv); /* lib */ void iwl_check_abort_status(struct iwl_priv *priv, @@ -178,4 +208,8 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif); int iwlagn_manage_ibss_station(struct iwl_priv *priv, struct ieee80211_vif *vif, bool add); +/* hcmd */ +int iwlagn_send_rxon_assoc(struct iwl_priv *priv); +int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant); + #endif /* __iwl_agn_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index 7e8227773213..22fa947e8756 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -846,6 +846,13 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, } } + if (active_chains != priv->hw_params.valid_rx_ant && + active_chains != priv->chain_noise_data.active_chains) + IWL_WARN(priv, + "Detected that not all antennas are connected! " + "Connected: %#x, valid: %#x.\n", + active_chains, priv->hw_params.valid_rx_ant); + /* Save for use within RXON, TX, SCAN commands, etc. */ priv->chain_noise_data.active_chains = active_chains; IWL_DEBUG_CALIB(priv, "active_chains (bitwise) = 0x%x\n", diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 9aab020c474b..498492565912 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -95,7 +95,7 @@ enum { /* Multi-Station support */ REPLY_ADD_STA = 0x18, - REPLY_REMOVE_STA = 0x19, /* not used */ + REPLY_REMOVE_STA = 0x19, REPLY_REMOVE_ALL_STA = 0x1a, /* not used */ /* Security */ @@ -952,7 +952,6 @@ struct iwl_qosparam_cmd { /* Special, dedicated locations within device's station table */ #define IWL_AP_ID 0 -#define IWL_MULTICAST_ID 1 #define IWL_STA_ID 2 #define IWL3945_BROADCAST_ID 24 #define IWL3945_STATION_COUNT 25 @@ -1367,7 +1366,7 @@ struct iwl_rx_phy_res { __le16 reserved3; } __attribute__ ((packed)); -struct iwl4965_rx_mpdu_res_start { +struct iwl_rx_mpdu_res_start { __le16 byte_count; __le16 reserved; } __attribute__ ((packed)); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 426e95567de3..62c50bc0089a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -141,13 +141,14 @@ int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) } EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx); -u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant) +u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid) { int i; u8 ind = ant; + for (i = 0; i < RATE_ANT_NUM - 1; i++) { ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0; - if (priv->hw_params.valid_tx_ant & BIT(ind)) + if (valid & BIT(ind)) return ind; } return ant; @@ -457,7 +458,7 @@ u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv, if (!sta_ht_inf->ht_supported) return 0; } -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS if (priv->disable_ht40) return 0; #endif @@ -506,11 +507,11 @@ void iwl_setup_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif) } beacon_int = iwl_adjust_beacon_interval(beacon_int, - priv->hw_params.max_beacon_itrvl * 1024); + priv->hw_params.max_beacon_itrvl * TIME_UNIT); priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int); tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */ - interval_tm = beacon_int * 1024; + interval_tm = beacon_int * TIME_UNIT; rem = do_div(tsf, interval_tm); priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem); @@ -932,9 +933,9 @@ int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch) } EXPORT_SYMBOL(iwl_set_rxon_channel); -static void iwl_set_flags_for_band(struct iwl_priv *priv, - enum ieee80211_band band, - struct ieee80211_vif *vif) +void iwl_set_flags_for_band(struct iwl_priv *priv, + enum ieee80211_band band, + struct ieee80211_vif *vif) { if (band == IEEE80211_BAND_5GHZ) { priv->staging_rxon.flags &= @@ -943,19 +944,17 @@ static void iwl_set_flags_for_band(struct iwl_priv *priv, priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; } else { /* Copied from iwl_post_associate() */ - if (vif && vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) + if (vif && vif->bss_conf.use_short_slot) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - if (vif && vif->type == NL80211_IFTYPE_ADHOC) - priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK; priv->staging_rxon.flags |= RXON_FLG_AUTO_DETECT_MSK; priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK; } } +EXPORT_SYMBOL(iwl_set_flags_for_band); /* * initialize rxon structure with default values from eeprom @@ -1021,15 +1020,17 @@ void iwl_connection_init_rx_config(struct iwl_priv *priv, /* clear both MIX and PURE40 mode flag */ priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED | RXON_FLG_CHANNEL_MODE_PURE_40); - memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - memcpy(priv->staging_rxon.wlap_bssid_addr, priv->mac_addr, ETH_ALEN); + + if (vif) + memcpy(priv->staging_rxon.node_addr, vif->addr, ETH_ALEN); + priv->staging_rxon.ofdm_ht_single_stream_basic_rates = 0xff; priv->staging_rxon.ofdm_ht_dual_stream_basic_rates = 0xff; priv->staging_rxon.ofdm_ht_triple_stream_basic_rates = 0xff; } EXPORT_SYMBOL(iwl_connection_init_rx_config); -static void iwl_set_rate(struct iwl_priv *priv) +void iwl_set_rate(struct iwl_priv *priv) { const struct ieee80211_supported_band *hw = NULL; struct ieee80211_rate *rate; @@ -1057,6 +1058,21 @@ static void iwl_set_rate(struct iwl_priv *priv) priv->staging_rxon.ofdm_basic_rates = (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; } +EXPORT_SYMBOL(iwl_set_rate); + +void iwl_chswitch_done(struct iwl_priv *priv, bool is_success) +{ + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + if (priv->switch_rxon.switch_in_progress) { + ieee80211_chswitch_done(priv->vif, is_success); + mutex_lock(&priv->mutex); + priv->switch_rxon.switch_in_progress = false; + mutex_unlock(&priv->mutex); + } +} +EXPORT_SYMBOL(iwl_chswitch_done); void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { @@ -1071,11 +1087,12 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) priv->staging_rxon.channel = csa->channel; IWL_DEBUG_11H(priv, "CSA notif: channel %d\n", le16_to_cpu(csa->channel)); - } else + iwl_chswitch_done(priv, true); + } else { IWL_ERR(priv, "CSA notif (fail) : channel %d\n", le16_to_cpu(csa->channel)); - - priv->switch_rxon.switch_in_progress = false; + iwl_chswitch_done(priv, false); + } } } EXPORT_SYMBOL(iwl_rx_csa); @@ -1502,130 +1519,6 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) } EXPORT_SYMBOL(iwl_send_statistics_request); -/** - * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host, - * using sample data 100 bytes apart. If these sample points are good, - * it's a pretty good bet that everything between them is good, too. - */ -static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) -{ - u32 val; - int ret = 0; - u32 errcnt = 0; - u32 i; - - IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len); - - for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { - /* read data comes through single port, auto-incr addr */ - /* NOTE: Use the debugless read so we don't flood kernel log - * if IWL_DL_IO is set */ - iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, - i + IWL49_RTC_INST_LOWER_BOUND); - val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); - if (val != le32_to_cpu(*image)) { - ret = -EIO; - errcnt++; - if (errcnt >= 3) - break; - } - } - - return ret; -} - -/** - * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host, - * looking at all data. - */ -static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image, - u32 len) -{ - u32 val; - u32 save_len = len; - int ret = 0; - u32 errcnt; - - IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len); - - iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, - IWL49_RTC_INST_LOWER_BOUND); - - errcnt = 0; - for (; len > 0; len -= sizeof(u32), image++) { - /* read data comes through single port, auto-incr addr */ - /* NOTE: Use the debugless read so we don't flood kernel log - * if IWL_DL_IO is set */ - val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); - if (val != le32_to_cpu(*image)) { - IWL_ERR(priv, "uCode INST section is invalid at " - "offset 0x%x, is 0x%x, s/b 0x%x\n", - save_len - len, val, le32_to_cpu(*image)); - ret = -EIO; - errcnt++; - if (errcnt >= 20) - break; - } - } - - if (!errcnt) - IWL_DEBUG_INFO(priv, - "ucode image in INSTRUCTION memory is good\n"); - - return ret; -} - -/** - * iwl_verify_ucode - determine which instruction image is in SRAM, - * and verify its contents - */ -int iwl_verify_ucode(struct iwl_priv *priv) -{ - __le32 *image; - u32 len; - int ret; - - /* Try bootstrap */ - image = (__le32 *)priv->ucode_boot.v_addr; - len = priv->ucode_boot.len; - ret = iwlcore_verify_inst_sparse(priv, image, len); - if (!ret) { - IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n"); - return 0; - } - - /* Try initialize */ - image = (__le32 *)priv->ucode_init.v_addr; - len = priv->ucode_init.len; - ret = iwlcore_verify_inst_sparse(priv, image, len); - if (!ret) { - IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n"); - return 0; - } - - /* Try runtime/protocol */ - image = (__le32 *)priv->ucode_code.v_addr; - len = priv->ucode_code.len; - ret = iwlcore_verify_inst_sparse(priv, image, len); - if (!ret) { - IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n"); - return 0; - } - - IWL_ERR(priv, "NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n"); - - /* Since nothing seems to match, show first several data entries in - * instruction SRAM, so maybe visual inspection will give a clue. - * Selection of bootstrap image (vs. other images) is arbitrary. */ - image = (__le32 *)priv->ucode_boot.v_addr; - len = priv->ucode_boot.len; - ret = iwl_verify_inst_full(priv, image, len); - - return ret; -} -EXPORT_SYMBOL(iwl_verify_ucode); - - void iwl_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl_ct_kill_config cmd; @@ -2046,8 +1939,6 @@ static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif) if (priv->cfg->ops->hcmd->set_rxon_chain) priv->cfg->ops->hcmd->set_rxon_chain(priv); - memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - return iwlcore_commit_rxon(priv); } @@ -2056,7 +1947,8 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) struct iwl_priv *priv = hw->priv; int err = 0; - IWL_DEBUG_MAC80211(priv, "enter: type %d\n", vif->type); + IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n", + vif->type, vif->addr); mutex_lock(&priv->mutex); @@ -2074,9 +1966,6 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) priv->vif = vif; priv->iw_mode = vif->type; - IWL_DEBUG_MAC80211(priv, "Set %pM\n", vif->addr); - memcpy(priv->mac_addr, vif->addr, ETH_ALEN); - err = iwl_set_mode(priv, vif); if (err) goto out_err; @@ -2110,6 +1999,11 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw, } if (priv->vif == vif) { priv->vif = NULL; + if (priv->scan_vif == vif) { + ieee80211_scan_completed(priv->hw, true); + priv->scan_vif = NULL; + priv->scan_request = NULL; + } memset(priv->bssid, 0, ETH_ALEN); } mutex_unlock(&priv->mutex); @@ -2210,22 +2104,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_flags_for_band(priv, conf->channel->band, priv->vif); spin_unlock_irqrestore(&priv->lock, flags); - if (iwl_is_associated(priv) && - (le16_to_cpu(priv->active_rxon.channel) != ch) && - priv->cfg->ops->lib->set_channel_switch) { - iwl_set_rate(priv); - /* - * at this point, staging_rxon has the - * configuration for channel switch - */ - ret = priv->cfg->ops->lib->set_channel_switch(priv, - ch); - if (!ret) { - iwl_print_rx_config_cmd(priv); - goto out; - } - priv->switch_rxon.switch_in_progress = false; - } + set_ch_out: /* The list of supported rates and rate mask can be different * for each band; since the band may have changed, reset @@ -2583,7 +2462,7 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) EXPORT_SYMBOL(iwl_update_stats); #endif -const static char *get_csr_string(int cmd) +static const char *get_csr_string(int cmd) { switch (cmd) { IWL_CMD(CSR_HW_IF_CONFIG_REG); @@ -2654,7 +2533,7 @@ void iwl_dump_csr(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_dump_csr); -const static char *get_fh_string(int cmd) +static const char *get_fh_string(int cmd) { switch (cmd) { IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); @@ -2876,6 +2755,61 @@ void iwl_bg_monitor_recover(unsigned long data) } EXPORT_SYMBOL(iwl_bg_monitor_recover); + +/* + * extended beacon time format + * time in usec will be changed into a 32-bit value in extended:internal format + * the extended part is the beacon counts + * the internal part is the time in usec within one beacon interval + */ +u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval) +{ + u32 quot; + u32 rem; + u32 interval = beacon_interval * TIME_UNIT; + + if (!interval || !usec) + return 0; + + quot = (usec / interval) & + (iwl_beacon_time_mask_high(priv, + priv->hw_params.beacon_time_tsf_bits) >> + priv->hw_params.beacon_time_tsf_bits); + rem = (usec % interval) & iwl_beacon_time_mask_low(priv, + priv->hw_params.beacon_time_tsf_bits); + + return (quot << priv->hw_params.beacon_time_tsf_bits) + rem; +} +EXPORT_SYMBOL(iwl_usecs_to_beacons); + +/* base is usually what we get from ucode with each received frame, + * the same as HW timer counter counting down + */ +__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, + u32 addon, u32 beacon_interval) +{ + u32 base_low = base & iwl_beacon_time_mask_low(priv, + priv->hw_params.beacon_time_tsf_bits); + u32 addon_low = addon & iwl_beacon_time_mask_low(priv, + priv->hw_params.beacon_time_tsf_bits); + u32 interval = beacon_interval * TIME_UNIT; + u32 res = (base & iwl_beacon_time_mask_high(priv, + priv->hw_params.beacon_time_tsf_bits)) + + (addon & iwl_beacon_time_mask_high(priv, + priv->hw_params.beacon_time_tsf_bits)); + + if (base_low > addon_low) + res += base_low - addon_low; + else if (base_low < addon_low) { + res += interval + base_low - addon_low; + res += (1 << priv->hw_params.beacon_time_tsf_bits); + } else + res += (1 << priv->hw_params.beacon_time_tsf_bits); + + return cpu_to_le32(res); +} +EXPORT_SYMBOL(iwl_add_beacon_time); + #ifdef CONFIG_PM int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 31775bd9c361..76288c56a7d7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -79,6 +79,8 @@ struct iwl_cmd; .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ .driver_data = (kernel_ulong_t)&(cfg) +#define TIME_UNIT 1024 + #define IWL_SKU_G 0x1 #define IWL_SKU_A 0x2 #define IWL_SKU_N 0x8 @@ -173,7 +175,8 @@ struct iwl_lib_ops { void (*dump_nic_error_log)(struct iwl_priv *priv); void (*dump_csr)(struct iwl_priv *priv); int (*dump_fh)(struct iwl_priv *priv, char **buf, bool display); - int (*set_channel_switch)(struct iwl_priv *priv, u16 channel); + int (*set_channel_switch)(struct iwl_priv *priv, + struct ieee80211_channel_switch *ch_switch); /* power management */ struct iwl_apm_ops apm_ops; @@ -325,7 +328,8 @@ struct iwl_cfg { const bool ucode_tracing; const bool sensitivity_calib_by_driver; const bool chain_noise_calib_by_driver; - u8 scan_antennas[IEEE80211_NUM_BANDS]; + u8 scan_rx_antennas[IEEE80211_NUM_BANDS]; + u8 scan_tx_antennas[IEEE80211_NUM_BANDS]; }; /*************************** @@ -343,6 +347,9 @@ int iwl_check_rxon_cmd(struct iwl_priv *priv); int iwl_full_rxon_required(struct iwl_priv *priv); void iwl_set_rxon_chain(struct iwl_priv *priv); int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch); +void iwl_set_flags_for_band(struct iwl_priv *priv, + enum ieee80211_band band, + struct ieee80211_vif *vif); u8 iwl_get_single_channel_number(struct iwl_priv *priv, enum ieee80211_band band); void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf); @@ -350,6 +357,7 @@ u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *sta_ht_inf); void iwl_connection_init_rx_config(struct iwl_priv *priv, struct ieee80211_vif *vif); +void iwl_set_rate(struct iwl_priv *priv); int iwl_set_decrypted_flag(struct iwl_priv *priv, struct ieee80211_hdr *hdr, u32 decrypt_res, @@ -461,6 +469,7 @@ void iwl_rx_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); void iwl_reply_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); +void iwl_chswitch_done(struct iwl_priv *priv, bool is_success); void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); /* TX helpers */ @@ -474,8 +483,6 @@ int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, dma_addr_t addr, u16 len, u8 reset, u8 pad); int iwl_hw_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq); -void iwl_free_tfds_in_queue(struct iwl_priv *priv, - int sta_id, int tid, int freed); void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq); int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, int slots_num, u32 txq_id); @@ -495,7 +502,7 @@ int iwl_hwrate_to_plcp_idx(u32 rate_n_flags); u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv); -u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx); +u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) { @@ -528,7 +535,7 @@ void iwl_bg_start_internal_scan(struct work_struct *work); void iwl_internal_short_hw_scan(struct iwl_priv *priv); int iwl_force_reset(struct iwl_priv *priv, int mode); u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, - const u8 *ie, int ie_len, int left); + const u8 *ta, const u8 *ie, int ie_len, int left); void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); u16 iwl_get_active_dwell_time(struct iwl_priv *priv, enum ieee80211_band band, @@ -595,6 +602,9 @@ static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv) } void iwl_bg_monitor_recover(unsigned long data); +u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval); +__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, + u32 addon, u32 beacon_interval); #ifdef CONFIG_PM int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state); @@ -693,7 +703,6 @@ extern void iwl_rf_kill_ct_config(struct iwl_priv *priv); extern void iwl_send_bt_config(struct iwl_priv *priv); extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear); -extern int iwl_verify_ucode(struct iwl_priv *priv); extern int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_link_quality_cmd *lq, u8 flags, bool init); void iwl_apm_stop(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 9659c5d01df9..cee3d12eb383 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -106,27 +106,6 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .open = iwl_dbgfs_open_file_generic, \ }; -int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) -{ - int p = 0; - - p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", - le32_to_cpu(priv->statistics.flag)); - if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) - p += scnprintf(buf + p, bufsz - p, - "\tStatistics have been cleared\n"); - p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", - (le32_to_cpu(priv->statistics.flag) & - UCODE_STATISTICS_FREQUENCY_MSK) - ? "2.4 GHz" : "5.2 GHz"); - p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", - (le32_to_cpu(priv->statistics.flag) & - UCODE_STATISTICS_NARROW_BAND_MSK) - ? "enabled" : "disabled"); - return p; -} -EXPORT_SYMBOL(iwl_dbgfs_statistics_flag); - static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -330,45 +309,35 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, for (i = 0; i < max_sta; i++) { station = &priv->stations[i]; - if (station->used) { - pos += scnprintf(buf + pos, bufsz - pos, - "station %d:\ngeneral data:\n", i+1); - pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", - station->sta.sta.sta_id); - pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", - station->sta.mode); - pos += scnprintf(buf + pos, bufsz - pos, - "flags: 0x%x\n", - station->sta.station_flags_msk); - pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); - pos += scnprintf(buf + pos, bufsz - pos, - "seq_num\t\ttxq_id"); - pos += scnprintf(buf + pos, bufsz - pos, - "\tframe_count\twait_for_ba\t"); - pos += scnprintf(buf + pos, bufsz - pos, - "start_idx\tbitmap0\t"); - pos += scnprintf(buf + pos, bufsz - pos, - "bitmap1\trate_n_flags"); - pos += scnprintf(buf + pos, bufsz - pos, "\n"); + if (!station->used) + continue; + pos += scnprintf(buf + pos, bufsz - pos, + "station %d - addr: %pM, flags: %#x\n", + i, station->sta.sta.addr, + station->sta.station_flags_msk); + pos += scnprintf(buf + pos, bufsz - pos, + "TID\tseq_num\ttxq_id\tframes\ttfds\t"); + pos += scnprintf(buf + pos, bufsz - pos, + "start_idx\tbitmap\t\t\trate_n_flags\n"); - for (j = 0; j < MAX_TID_COUNT; j++) { - pos += scnprintf(buf + pos, bufsz - pos, - "[%d]:\t\t%u", j, - station->tid[j].seq_number); - pos += scnprintf(buf + pos, bufsz - pos, - "\t%u\t\t%u\t\t%u\t\t", - station->tid[j].agg.txq_id, - station->tid[j].agg.frame_count, - station->tid[j].agg.wait_for_ba); + for (j = 0; j < MAX_TID_COUNT; j++) { + pos += scnprintf(buf + pos, bufsz - pos, + "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x", + j, station->tid[j].seq_number, + station->tid[j].agg.txq_id, + station->tid[j].agg.frame_count, + station->tid[j].tfds_in_queue, + station->tid[j].agg.start_idx, + station->tid[j].agg.bitmap, + station->tid[j].agg.rate_n_flags); + + if (station->tid[j].agg.wait_for_ba) pos += scnprintf(buf + pos, bufsz - pos, - "%u\t%llu\t%u", - station->tid[j].agg.start_idx, - (unsigned long long)station->tid[j].agg.bitmap, - station->tid[j].agg.rate_n_flags); - pos += scnprintf(buf + pos, bufsz - pos, "\n"); - } + " - waitforba"); pos += scnprintf(buf + pos, bufsz - pos, "\n"); } + + pos += scnprintf(buf + pos, bufsz - pos, "\n"); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); @@ -1049,8 +1018,13 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, rxq->write); pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", rxq->free_count); - pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", + if (rxq->rb_stts) { + pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); + } else { + pos += scnprintf(buf + pos, bufsz - pos, + "closed_rb_num: Not Allocated\n"); + } return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index f3f3473c5c7e..da54e6cd18af 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -48,25 +48,6 @@ #include "iwl-power.h" #include "iwl-agn-rs.h" -/* configuration for the iwl4965 */ -extern struct iwl_cfg iwl4965_agn_cfg; -extern struct iwl_cfg iwl5300_agn_cfg; -extern struct iwl_cfg iwl5100_agn_cfg; -extern struct iwl_cfg iwl5350_agn_cfg; -extern struct iwl_cfg iwl5100_bgn_cfg; -extern struct iwl_cfg iwl5100_abg_cfg; -extern struct iwl_cfg iwl5150_agn_cfg; -extern struct iwl_cfg iwl5150_abg_cfg; -extern struct iwl_cfg iwl6000g2a_2agn_cfg; -extern struct iwl_cfg iwl6000i_2agn_cfg; -extern struct iwl_cfg iwl6000i_2abg_cfg; -extern struct iwl_cfg iwl6000i_2bg_cfg; -extern struct iwl_cfg iwl6000_3agn_cfg; -extern struct iwl_cfg iwl6050_2agn_cfg; -extern struct iwl_cfg iwl6050_2abg_cfg; -extern struct iwl_cfg iwl1000_bgn_cfg; -extern struct iwl_cfg iwl1000_bg_cfg; - struct iwl_tx_queue; /* CT-KILL constants */ @@ -133,8 +114,8 @@ struct iwl_cmd_meta { * structure is stored at the end of the shared queue memory. */ u32 flags; - DECLARE_PCI_UNMAP_ADDR(mapping) - DECLARE_PCI_UNMAP_LEN(len) + DEFINE_DMA_UNMAP_ADDR(mapping); + DEFINE_DMA_UNMAP_LEN(len); }; /* @@ -161,7 +142,7 @@ struct iwl_queue { /* One for each TFD */ struct iwl_tx_info { - struct sk_buff *skb[IWL_NUM_OF_TBS - 1]; + struct sk_buff *skb; }; /** @@ -367,7 +348,7 @@ struct iwl_host_cmd { /** * struct iwl_rx_queue - Rx queue * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) - * @dma_addr: bus address of buffer of receive buffer descriptors (rbd) + * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) * @read: Shared index to newest available Rx buffer * @write: Shared index to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free @@ -381,7 +362,7 @@ struct iwl_host_cmd { */ struct iwl_rx_queue { __le32 *bd; - dma_addr_t dma_addr; + dma_addr_t bd_dma; struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; u32 read; @@ -433,7 +414,7 @@ struct iwl_ht_agg { struct iwl_tid_data { - u16 seq_number; + u16 seq_number; /* agn only */ u16 tfds_in_queue; struct iwl_ht_agg agg; }; @@ -583,6 +564,12 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_INIT_DATA = 4, IWL_UCODE_TLV_BOOT = 5, IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ + IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, + IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, + IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, + IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, + IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, + IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, }; struct iwl_ucode_tlv { @@ -675,6 +662,7 @@ struct iwl_sensitivity_ranges { * @sw_crypto: 0 for hw, 1 for sw * @max_xxx_size: for ucode uses * @ct_kill_threshold: temperature threshold + * @beacon_time_tsf_bits: number of valid tsf bits for beacon time * @calib_init_cfg: setup initial calibrations for the hw * @struct iwl_sensitivity_ranges: range of sensitivity values */ @@ -701,6 +689,7 @@ struct iwl_hw_params { u32 ct_kill_threshold; /* value in hw-dependent units */ u32 ct_kill_exit_threshold; /* value in hw-dependent units */ /* for 1000, 6000 series and up */ + u16 beacon_time_tsf_bits; u32 calib_init_cfg; const struct iwl_sensitivity_ranges *sens; }; @@ -1075,6 +1064,20 @@ struct iwl_force_reset { unsigned long last_force_reset_jiffies; }; +/* extend beacon time format bit shifting */ +/* + * for _3945 devices + * bits 31:24 - extended + * bits 23:0 - interval + */ +#define IWL3945_EXT_BEACON_TIME_POS 24 +/* + * for _agn devices + * bits 31:22 - extended + * bits 21:0 - interval + */ +#define IWLAGN_EXT_BEACON_TIME_POS 22 + struct iwl_priv { /* ieee device used by generic ieee processing code */ @@ -1109,7 +1112,7 @@ struct iwl_priv { /* force reset */ struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; - /* we allocate array of iwl4965_channel_info for NIC's valid channels. + /* we allocate array of iwl_channel_info for NIC's valid channels. * Access via channel # using indirect index array */ struct iwl_channel_info *channel_info; /* channel info array */ u8 channel_count; /* # of channels */ @@ -1127,6 +1130,7 @@ struct iwl_priv { void *scan_cmd; enum ieee80211_band scan_band; struct cfg80211_scan_request *scan_request; + struct ieee80211_vif *scan_vif; bool is_internal_short_scan; u8 scan_tx_ant[IEEE80211_NUM_BANDS]; u8 mgmt_tx_ant; @@ -1174,7 +1178,7 @@ struct iwl_priv { struct iwl_switch_rxon switch_rxon; /* 1st responses from initialize and runtime uCode images. - * 4965's initialize alive response contains some calibration data. */ + * _agn's initialize alive response contains some calibration data. */ struct iwl_init_alive_resp card_alive_init; struct iwl_alive_resp card_alive; @@ -1221,7 +1225,7 @@ struct iwl_priv { struct iwl_tt_mgmt thermal_throttle; struct iwl_notif_statistics statistics; -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS struct iwl_notif_statistics accum_statistics; struct iwl_notif_statistics delta_statistics; struct iwl_notif_statistics max_delta; @@ -1229,9 +1233,10 @@ struct iwl_priv { /* context information */ u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */ - u8 mac_addr[ETH_ALEN]; - /*station table variables */ + /* station table variables */ + + /* Note: if lock and sta_lock are needed, lock must be acquired first */ spinlock_t sta_lock; int num_stations; struct iwl_station_entry stations[IWL_STATION_COUNT]; @@ -1273,7 +1278,7 @@ struct iwl_priv { struct delayed_work rfkill_poll; struct iwl3945_notif_statistics statistics; -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS struct iwl3945_notif_statistics accum_statistics; struct iwl3945_notif_statistics delta_statistics; struct iwl3945_notif_statistics max_delta; @@ -1315,6 +1320,9 @@ struct iwl_priv { bool last_phy_res_valid; struct completion firmware_loading_complete; + + u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; + u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; } _agn; #endif }; @@ -1353,9 +1361,7 @@ struct iwl_priv { /* debugging info */ u32 debug_level; /* per device debugging will override global iwl_debug_level if set */ - u32 framecnt_to_us; - atomic_t restrict_refcnt; - bool disable_ht40; +#endif /* CONFIG_IWLWIFI_DEBUG */ #ifdef CONFIG_IWLWIFI_DEBUGFS /* debugfs */ u16 tx_traffic_idx; @@ -1364,8 +1370,8 @@ struct iwl_priv { u8 *rx_traffic; struct dentry *debugfs_dir; u32 dbgfs_sram_offset, dbgfs_sram_len; + bool disable_ht40; #endif /* CONFIG_IWLWIFI_DEBUGFS */ -#endif /* CONFIG_IWLWIFI_DEBUG */ struct work_struct txpower_work; u32 disable_sens_cal; @@ -1419,9 +1425,9 @@ static inline u32 iwl_get_debug_level(struct iwl_priv *priv) static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, int txq_id, int idx) { - if (priv->txq[txq_id].txb[idx].skb[0]) + if (priv->txq[txq_id].txb[idx].skb) return (struct ieee80211_hdr *)priv->txq[txq_id]. - txb[idx].skb[0]->data; + txb[idx].skb->data; return NULL; } diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 3ff6b9d25a10..621abe3c5afc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -92,6 +92,11 @@ static inline void iwl_free_fw_desc(struct pci_dev *pci_dev, static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) { + if (!desc->len) { + desc->v_addr = NULL; + return -EINVAL; + } + desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, &desc->p_addr, GFP_KERNEL); return (desc->v_addr != NULL) ? 0 : -ENOMEM; @@ -170,4 +175,26 @@ static inline void iwl_enable_interrupts(struct iwl_priv *priv) iwl_write32(priv, CSR_INT_MASK, priv->inta_mask); } +/** + * iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time + * @priv -- pointer to iwl_priv data structure + * @tsf_bits -- number of bits need to shift for masking) + */ +static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv, + u16 tsf_bits) +{ + return (1 << tsf_bits) - 1; +} + +/** + * iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time + * @priv -- pointer to iwl_priv data structure + * @tsf_bits -- number of bits need to shift for masking) + */ +static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv, + u16 tsf_bits) +{ + return ((1 << (32 - tsf_bits)) - 1) << tsf_bits; +} + #endif /* __iwl_helpers_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index 0a5d7cf25196..86a353765796 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -175,7 +175,7 @@ int iwl_rx_queue_alloc(struct iwl_priv *priv) INIT_LIST_HEAD(&rxq->rx_used); /* Alloc the circular buffer of Read Buffer Descriptors (RBDs) */ - rxq->bd = dma_alloc_coherent(dev, 4 * RX_QUEUE_SIZE, &rxq->dma_addr, + rxq->bd = dma_alloc_coherent(dev, 4 * RX_QUEUE_SIZE, &rxq->bd_dma, GFP_KERNEL); if (!rxq->bd) goto err_bd; @@ -199,7 +199,7 @@ int iwl_rx_queue_alloc(struct iwl_priv *priv) err_rb: dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd, - rxq->dma_addr); + rxq->bd_dma); err_bd: return -ENOMEM; } @@ -286,7 +286,7 @@ static void iwl_rx_calc_noise(struct iwl_priv *priv) last_rx_noise); } -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS /* * based on the assumption of all statistics counter are in DWORD * FIXME: This function is for debugging, do not deal with @@ -448,7 +448,7 @@ void iwl_rx_statistics(struct iwl_priv *priv, STATISTICS_REPLY_FLG_HT40_MODE_MSK) != (pkt->u.stats.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK))); -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats); #endif iwl_recover_from_statistics(priv, pkt); @@ -480,7 +480,7 @@ void iwl_reply_statistics(struct iwl_priv *priv, struct iwl_rx_packet *pkt = rxb_addr(rxb); if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) { -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWLWIFI_DEBUGFS memset(&priv->accum_statistics, 0, sizeof(struct iwl_notif_statistics)); memset(&priv->delta_statistics, 0, diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 386c5f96eff8..798f93e0ff50 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -333,7 +333,8 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, goto out_unlock; } - if (test_bit(STATUS_SCANNING, &priv->status)) { + if (test_bit(STATUS_SCANNING, &priv->status) && + !priv->is_internal_short_scan) { IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); ret = -EAGAIN; goto out_unlock; @@ -348,8 +349,16 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, /* mac80211 will only ask for one band at a time */ priv->scan_band = req->channels[0]->band; priv->scan_request = req; + priv->scan_vif = vif; - ret = iwl_scan_initiate(priv, vif); + /* + * If an internal scan is in progress, just set + * up the scan_request as per above. + */ + if (priv->is_internal_short_scan) + ret = 0; + else + ret = iwl_scan_initiate(priv, vif); IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -438,7 +447,7 @@ EXPORT_SYMBOL(iwl_bg_scan_check); */ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, - const u8 *ies, int ie_len, int left) + const u8 *ta, const u8 *ies, int ie_len, int left) { int len = 0; u8 *pos = NULL; @@ -451,7 +460,7 @@ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); memcpy(frame->da, iwl_bcast_addr, ETH_ALEN); - memcpy(frame->sa, priv->mac_addr, ETH_ALEN); + memcpy(frame->sa, ta, ETH_ALEN); memcpy(frame->bssid, iwl_bcast_addr, ETH_ALEN); frame->seq_ctrl = 0; @@ -514,7 +523,21 @@ void iwl_bg_scan_completed(struct work_struct *work) priv->is_internal_short_scan = false; IWL_DEBUG_SCAN(priv, "internal short scan completed\n"); internal = true; + } else { + priv->scan_request = NULL; + priv->scan_vif = NULL; } + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + goto out; + + if (internal && priv->scan_request) + iwl_scan_initiate(priv, priv->scan_vif); + + /* Since setting the TXPOWER may have been deferred while + * performing the scan, fire one off */ + iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); + out: mutex_unlock(&priv->mutex); /* @@ -524,15 +547,6 @@ void iwl_bg_scan_completed(struct work_struct *work) */ if (!internal) ieee80211_scan_completed(priv->hw, false); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - /* Since setting the TXPOWER may have been deferred while - * performing the scan, fire one off */ - mutex_lock(&priv->mutex); - iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); - mutex_unlock(&priv->mutex); } EXPORT_SYMBOL(iwl_bg_scan_completed); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index c27c13fbb1ae..d57df6c02db3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -311,10 +311,10 @@ int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr, struct ieee80211_sta_ht_cap *ht_info, u8 *sta_id_r) { - struct iwl_station_entry *station; unsigned long flags_spin; int ret = 0; u8 sta_id; + struct iwl_addsta_cmd sta_cmd; *sta_id_r = 0; spin_lock_irqsave(&priv->sta_lock, flags_spin); @@ -347,14 +347,15 @@ int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr, } priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS; - station = &priv->stations[sta_id]; + memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); spin_unlock_irqrestore(&priv->sta_lock, flags_spin); /* Add station to device's station table */ - ret = iwl_send_add_sta(priv, &station->sta, CMD_SYNC); + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - IWL_ERR(priv, "Adding station %pM failed.\n", station->sta.sta.addr); spin_lock_irqsave(&priv->sta_lock, flags_spin); + IWL_ERR(priv, "Adding station %pM failed.\n", + priv->stations[sta_id].sta.sta.addr); priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; spin_unlock_irqrestore(&priv->sta_lock, flags_spin); @@ -488,7 +489,7 @@ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) } static int iwl_send_remove_station(struct iwl_priv *priv, - struct iwl_station_entry *station) + const u8 *addr, int sta_id) { struct iwl_rx_packet *pkt; int ret; @@ -505,7 +506,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, memset(&rm_sta_cmd, 0, sizeof(rm_sta_cmd)); rm_sta_cmd.num_sta = 1; - memcpy(&rm_sta_cmd.addr, &station->sta.sta.addr , ETH_ALEN); + memcpy(&rm_sta_cmd.addr, addr, ETH_ALEN); cmd.flags |= CMD_WANT_SKB; @@ -525,7 +526,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, switch (pkt->u.rem_sta.status) { case REM_STA_SUCCESS_MSK: spin_lock_irqsave(&priv->sta_lock, flags_spin); - iwl_sta_ucode_deactivate(priv, station->sta.sta.sta_id); + iwl_sta_ucode_deactivate(priv, sta_id); spin_unlock_irqrestore(&priv->sta_lock, flags_spin); IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); break; @@ -546,7 +547,6 @@ static int iwl_send_remove_station(struct iwl_priv *priv, int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, const u8 *addr) { - struct iwl_station_entry *station; unsigned long flags; if (!iwl_is_ready(priv)) { @@ -592,10 +592,9 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, BUG_ON(priv->num_stations < 0); - station = &priv->stations[sta_id]; spin_unlock_irqrestore(&priv->sta_lock, flags); - return iwl_send_remove_station(priv, station); + return iwl_send_remove_station(priv, addr, sta_id); out_err: spin_unlock_irqrestore(&priv->sta_lock, flags); return -EINVAL; @@ -643,11 +642,13 @@ EXPORT_SYMBOL(iwl_clear_ucode_stations); */ void iwl_restore_stations(struct iwl_priv *priv) { - struct iwl_station_entry *station; + struct iwl_addsta_cmd sta_cmd; + struct iwl_link_quality_cmd lq; unsigned long flags_spin; int i; bool found = false; int ret; + bool send_lq; if (!iwl_is_ready(priv)) { IWL_DEBUG_INFO(priv, "Not ready yet, not restoring any stations.\n"); @@ -669,13 +670,20 @@ void iwl_restore_stations(struct iwl_priv *priv) for (i = 0; i < priv->hw_params.max_stations; i++) { if ((priv->stations[i].used & IWL_STA_UCODE_INPROGRESS)) { + memcpy(&sta_cmd, &priv->stations[i].sta, + sizeof(struct iwl_addsta_cmd)); + send_lq = false; + if (priv->stations[i].lq) { + memcpy(&lq, priv->stations[i].lq, + sizeof(struct iwl_link_quality_cmd)); + send_lq = true; + } spin_unlock_irqrestore(&priv->sta_lock, flags_spin); - station = &priv->stations[i]; - ret = iwl_send_add_sta(priv, &priv->stations[i].sta, CMD_SYNC); + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - IWL_ERR(priv, "Adding station %pM failed.\n", - station->sta.sta.addr); spin_lock_irqsave(&priv->sta_lock, flags_spin); + IWL_ERR(priv, "Adding station %pM failed.\n", + priv->stations[i].sta.sta.addr); priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; spin_unlock_irqrestore(&priv->sta_lock, flags_spin); @@ -684,8 +692,8 @@ void iwl_restore_stations(struct iwl_priv *priv) * Rate scaling has already been initialized, send * current LQ command */ - if (station->lq) - iwl_send_lq_cmd(priv, station->lq, CMD_SYNC, true); + if (send_lq) + iwl_send_lq_cmd(priv, &lq, CMD_SYNC, true); spin_lock_irqsave(&priv->sta_lock, flags_spin); priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; } @@ -972,24 +980,16 @@ void iwl_update_tkip_key(struct iwl_priv *priv, unsigned long flags; int i; - if (sta) { - sta_id = iwl_sta_id(sta); - - if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_MAC80211(priv, "leave - %pM not initialised.\n", - sta->addr); - return; - } - } else - sta_id = priv->hw_params.bcast_sta_id; - - if (iwl_scan_cancel(priv)) { /* cancel scan failed, just live w/ bad key and rely briefly on SW decryption */ return; } + sta_id = iwl_sta_id_or_broadcast(priv, sta); + if (sta_id == IWL_INVALID_STATION) + return; + spin_lock_irqsave(&priv->sta_lock, flags); priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32; @@ -1277,9 +1277,8 @@ void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid) priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX; priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid)); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); + spin_unlock_irqrestore(&priv->sta_lock, flags); } EXPORT_SYMBOL(iwl_sta_tx_modify_enable_tid); @@ -1310,7 +1309,7 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, int tid) { unsigned long flags; - int sta_id; + int sta_id, ret; sta_id = iwl_sta_id(sta); if (sta_id == IWL_INVALID_STATION) { @@ -1323,10 +1322,11 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; + ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); spin_unlock_irqrestore(&priv->sta_lock, flags); - return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, - CMD_ASYNC); + return ret; + } EXPORT_SYMBOL(iwl_sta_rx_agg_stop); @@ -1340,9 +1340,9 @@ void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) priv->stations[sta_id].sta.sta.modify_mask = 0; priv->stations[sta_id].sta.sleep_tx_count = 0; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; + iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); } EXPORT_SYMBOL(iwl_sta_modify_ps_wake); @@ -1357,9 +1357,9 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) STA_MODIFY_SLEEP_TX_COUNT_MSK; priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; + iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); spin_unlock_irqrestore(&priv->sta_lock, flags); - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); } EXPORT_SYMBOL(iwl_sta_modify_sleep_tx_count); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index c2a453a1a991..5b1b1e461eb6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -107,4 +107,33 @@ static inline int iwl_sta_id(struct ieee80211_sta *sta) return ((struct iwl_station_priv_common *)sta->drv_priv)->sta_id; } + +/** + * iwl_sta_id_or_broadcast - return sta_id or broadcast sta + * @priv: iwl priv + * @sta: mac80211 station + * + * In certain circumstances mac80211 passes a station pointer + * that may be %NULL, for example during TX or key setup. In + * that case, we need to use the broadcast station, so this + * inline wraps that pattern. + */ +static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv, + struct ieee80211_sta *sta) +{ + int sta_id; + + if (!sta) + return priv->hw_params.bcast_sta_id; + + sta_id = iwl_sta_id(sta); + + /* + * mac80211 should not be passing a partially + * initialised station! + */ + WARN_ON(sta_id == IWL_INVALID_STATION); + + return sta_id; +} #endif /* __iwl_sta_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 1ece2ea09773..a81989c06983 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -77,21 +77,6 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) } EXPORT_SYMBOL(iwl_txq_update_write_ptr); - -void iwl_free_tfds_in_queue(struct iwl_priv *priv, - int sta_id, int tid, int freed) -{ - if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed) - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; - else { - IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n", - priv->stations[sta_id].tid[tid].tfds_in_queue, - freed); - priv->stations[sta_id].tid[tid].tfds_in_queue = 0; - } -} -EXPORT_SYMBOL(iwl_free_tfds_in_queue); - /** * iwl_tx_queue_free - Deallocate DMA queue. * @txq: Transmit queue to deallocate. @@ -169,15 +154,15 @@ void iwl_cmd_queue_free(struct iwl_priv *priv) } pci_unmap_single(priv->pci_dev, - pci_unmap_addr(&txq->meta[i], mapping), - pci_unmap_len(&txq->meta[i], len), + dma_unmap_addr(&txq->meta[i], mapping), + dma_unmap_len(&txq->meta[i], len), PCI_DMA_BIDIRECTIONAL); } if (huge) { i = q->n_window; pci_unmap_single(priv->pci_dev, - pci_unmap_addr(&txq->meta[i], mapping), - pci_unmap_len(&txq->meta[i], len), + dma_unmap_addr(&txq->meta[i], mapping), + dma_unmap_len(&txq->meta[i], len), PCI_DMA_BIDIRECTIONAL); } @@ -287,7 +272,7 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv, /* Driver private data, only for Tx (not command) queues, * not shared with device. */ if (id != IWL_CMD_QUEUE_NUM) { - txq->txb = kmalloc(sizeof(txq->txb[0]) * + txq->txb = kzalloc(sizeof(txq->txb[0]) * TFD_QUEUE_SIZE_MAX, GFP_KERNEL); if (!txq->txb) { IWL_ERR(priv, "kmalloc for auxiliary BD " @@ -531,8 +516,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr, fix_size, PCI_DMA_BIDIRECTIONAL); - pci_unmap_addr_set(out_meta, mapping, phys_addr); - pci_unmap_len_set(out_meta, len, fix_size); + dma_unmap_addr_set(out_meta, mapping, phys_addr); + dma_unmap_len_set(out_meta, len, fix_size); trace_iwlwifi_dev_hcmd(priv, &out_cmd->hdr, fix_size, cmd->flags); @@ -626,8 +611,8 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) meta = &txq->meta[cmd_index]; pci_unmap_single(priv->pci_dev, - pci_unmap_addr(meta, mapping), - pci_unmap_len(meta, len), + dma_unmap_addr(meta, mapping), + dma_unmap_len(meta, len), PCI_DMA_BIDIRECTIONAL); /* Input error checking is done when commands are added to queue. */ diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index a27872de4106..697fa6caaceb 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -197,6 +197,7 @@ static int iwl3945_set_wep_dynamic_key_info(struct iwl_priv *priv, static int iwl3945_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id) { unsigned long flags; + struct iwl_addsta_cmd sta_cmd; spin_lock_irqsave(&priv->sta_lock, flags); memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl_hw_key)); @@ -205,11 +206,11 @@ static int iwl3945_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id) priv->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; + memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO(priv, "hwcrypto: clear ucode station key info\n"); - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, 0); - return 0; + return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } static int iwl3945_set_dynamic_key(struct iwl_priv *priv, @@ -474,10 +475,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) u8 unicast; u8 sta_id; u8 tid = 0; - u16 seq_number = 0; __le16 fc; u8 wait_write_ptr = 0; - u8 *qc = NULL; unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -510,10 +509,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) hdr_len = ieee80211_hdrlen(fc); /* Find index into station table for destination station */ - if (!info->control.sta) - sta_id = priv->hw_params.bcast_sta_id; - else - sta_id = iwl_sta_id(info->control.sta); + sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta); if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n", hdr->addr1); @@ -523,16 +519,10 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) IWL_DEBUG_RATE(priv, "station Id %d\n", sta_id); if (ieee80211_is_data_qos(fc)) { - qc = ieee80211_get_qos_ctl(hdr); + u8 *qc = ieee80211_get_qos_ctl(hdr); tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; if (unlikely(tid >= MAX_TID_COUNT)) goto drop; - seq_number = priv->stations[sta_id].tid[tid].seq_number & - IEEE80211_SCTL_SEQ; - hdr->seq_ctrl = cpu_to_le16(seq_number) | - (hdr->seq_ctrl & - cpu_to_le16(IEEE80211_SCTL_FRAG)); - seq_number += 0x10; } /* Descriptor for chosen Tx queue */ @@ -548,7 +538,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Set up driver data for this TFD */ memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info)); - txq->txb[q->write_ptr].skb[0] = skb; + txq->txb[q->write_ptr].skb = skb; /* Init first empty entry in queue's array of Tx/cmd buffers */ out_cmd = txq->cmd[idx]; @@ -591,8 +581,6 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (!ieee80211_has_morefrags(hdr->frame_control)) { txq->need_update = 1; - if (qc) - priv->stations[sta_id].tid[tid].seq_number = seq_number; } else { wait_write_ptr = 1; txq->need_update = 0; @@ -631,8 +619,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) len, PCI_DMA_TODEVICE); /* we do not map meta data ... so we can safely access address to * provide to unmap command*/ - pci_unmap_addr_set(out_meta, mapping, txcmd_phys); - pci_unmap_len_set(out_meta, len, len); + dma_unmap_addr_set(out_meta, mapping, txcmd_phys); + dma_unmap_len_set(out_meta, len, len); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ @@ -677,55 +665,6 @@ drop: return -1; } -#define BEACON_TIME_MASK_LOW 0x00FFFFFF -#define BEACON_TIME_MASK_HIGH 0xFF000000 -#define TIME_UNIT 1024 - -/* - * extended beacon time format - * time in usec will be changed into a 32-bit value in 8:24 format - * the high 1 byte is the beacon counts - * the lower 3 bytes is the time in usec within one beacon interval - */ - -static u32 iwl3945_usecs_to_beacons(u32 usec, u32 beacon_interval) -{ - u32 quot; - u32 rem; - u32 interval = beacon_interval * 1024; - - if (!interval || !usec) - return 0; - - quot = (usec / interval) & (BEACON_TIME_MASK_HIGH >> 24); - rem = (usec % interval) & BEACON_TIME_MASK_LOW; - - return (quot << 24) + rem; -} - -/* base is usually what we get from ucode with each received frame, - * the same as HW timer counter counting down - */ - -static __le32 iwl3945_add_beacon_time(u32 base, u32 addon, u32 beacon_interval) -{ - u32 base_low = base & BEACON_TIME_MASK_LOW; - u32 addon_low = addon & BEACON_TIME_MASK_LOW; - u32 interval = beacon_interval * TIME_UNIT; - u32 res = (base & BEACON_TIME_MASK_HIGH) + - (addon & BEACON_TIME_MASK_HIGH); - - if (base_low > addon_low) - res += base_low - addon_low; - else if (base_low < addon_low) { - res += interval + base_low - addon_low; - res += (1 << 24); - } else - res += (1 << 24); - - return cpu_to_le32(res); -} - static int iwl3945_get_measurement(struct iwl_priv *priv, struct ieee80211_measurement_params *params, u8 type) @@ -743,8 +682,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv, int duration = le16_to_cpu(params->duration); if (iwl_is_associated(priv)) - add_time = - iwl3945_usecs_to_beacons( + add_time = iwl_usecs_to_beacons(priv, le64_to_cpu(params->start_time) - priv->_3945.last_tsf, le16_to_cpu(priv->rxon_timing.beacon_interval)); @@ -759,8 +697,8 @@ static int iwl3945_get_measurement(struct iwl_priv *priv, if (iwl_is_associated(priv)) spectrum.start_time = - iwl3945_add_beacon_time(priv->_3945.last_beacon_time, - add_time, + iwl_add_beacon_time(priv, + priv->_3945.last_beacon_time, add_time, le16_to_cpu(priv->rxon_timing.beacon_interval)); else spectrum.start_time = 0; @@ -1233,7 +1171,7 @@ static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rx } dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd, - rxq->dma_addr); + rxq->bd_dma); dma_free_coherent(&priv->pci_dev->dev, sizeof(struct iwl_rb_status), rxq->rb_stts, rxq->rb_stts_dma); rxq->bd = NULL; @@ -1314,6 +1252,8 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i); while (i != r) { + int len; + rxb = rxq->queue[i]; /* If an RXB doesn't have a Rx queue slot associated with it, @@ -1328,8 +1268,9 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) PCI_DMA_FROMDEVICE); pkt = rxb_addr(rxb); - trace_iwlwifi_dev_rx(priv, pkt, - le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK); + len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + len += sizeof(u32); /* account for status word */ + trace_iwlwifi_dev_rx(priv, pkt, len); /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. @@ -3022,14 +2963,16 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->tx_cmd.len = cpu_to_le16( iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, + vif->addr, priv->scan_request->ie, priv->scan_request->ie_len, IWL_MAX_SCAN_SIZE - sizeof(*scan))); } else { + /* use bcast addr, will not be transmitted but must be valid */ scan->tx_cmd.len = cpu_to_le16( iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, - NULL, 0, + iwl_bcast_addr, NULL, 0, IWL_MAX_SCAN_SIZE - sizeof(*scan))); } /* select Rx antennas */ @@ -3158,19 +3101,16 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n", vif->bss_conf.aid, vif->bss_conf.beacon_int); - if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE) + if (vif->bss_conf.use_short_preamble) priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) + if (vif->bss_conf.use_short_slot) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - - if (vif->type == NL80211_IFTYPE_ADHOC) - priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; } iwlcore_commit_rxon(priv); @@ -3334,8 +3274,7 @@ void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif) priv->staging_rxon.assoc_id = 0; - if (vif->bss_conf.assoc_capability & - WLAN_CAPABILITY_SHORT_PREAMBLE) + if (vif->bss_conf.use_short_preamble) priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; else @@ -3343,17 +3282,12 @@ void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif) ~RXON_FLG_SHORT_PREAMBLE_MSK; if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.assoc_capability & - WLAN_CAPABILITY_SHORT_SLOT_TIME) + if (vif->bss_conf.use_short_slot) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - - if (vif->type == NL80211_IFTYPE_ADHOC) - priv->staging_rxon.flags &= - ~RXON_FLG_SHORT_SLOT_MSK; } /* restore RXON assoc */ priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK; @@ -3386,17 +3320,9 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, static_key = !iwl_is_associated(priv); if (!static_key) { - if (!sta) { - sta_id = priv->hw_params.bcast_sta_id; - } else { - sta_id = iwl_sta_id(sta); - if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_MAC80211(priv, - "leave - %pM not in station map.\n", - sta->addr); - return -EINVAL; - } - } + sta_id = iwl_sta_id_or_broadcast(priv, sta); + if (sta_id == IWL_INVALID_STATION) + return -EINVAL; } mutex_lock(&priv->mutex); @@ -4028,9 +3954,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e priv->pci_dev = pdev; priv->inta_mask = CSR_INI_SET_MASK; -#ifdef CONFIG_IWLWIFI_DEBUG - atomic_set(&priv->restrict_refcnt, 0); -#endif if (iwl_alloc_traffic_mem(priv)) IWL_ERR(priv, "Not enough memory to generate traffic log\n"); @@ -4099,9 +4022,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e } /* MAC Address location in EEPROM same for 3945/4965 */ eeprom = (struct iwl3945_eeprom *)priv->eeprom; - memcpy(priv->mac_addr, eeprom->mac_address, ETH_ALEN); - IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->mac_addr); - SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); + IWL_DEBUG_INFO(priv, "MAC address: %pM\n", eeprom->mac_address); + SET_IEEE80211_PERM_ADDR(priv->hw, eeprom->mac_address); /*********************** * 5. Setup HW Constants |