return -1;
}
-static int iwl_get_single_channel_for_scan(struct iwl_priv *priv,
- struct ieee80211_vif *vif,
- enum ieee80211_band band,
- struct iwl_scan_channel *scan_ch)
-{
- const struct ieee80211_supported_band *sband;
- u16 passive_dwell = 0;
- u16 active_dwell = 0;
- int added = 0;
- u16 channel = 0;
-
- sband = iwl_get_hw_mode(priv, band);
- if (!sband) {
- IWL_ERR(priv, "invalid band\n");
- return added;
- }
-
- active_dwell = iwl_get_active_dwell_time(priv, band, 0);
- passive_dwell = iwl_get_passive_dwell_time(priv, band, vif);
-
- if (passive_dwell <= active_dwell)
- passive_dwell = active_dwell + 1;
-
- channel = iwl_get_single_channel_number(priv, band);
- if (channel) {
- scan_ch->channel = cpu_to_le16(channel);
- scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
- scan_ch->active_dwell = cpu_to_le16(active_dwell);
- scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
- /* Set txpower levels to defaults */
- scan_ch->dsp_atten = 110;
- if (band == IEEE80211_BAND_5GHZ)
- scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
- else
- scan_ch->tx_gain = ((1 << 5) | (5 << 3));
- added++;
- } else
- IWL_ERR(priv, "no valid channel found\n");
- return added;
-}
-
-static int iwl_get_channels_for_scan(struct iwl_priv *priv,
- struct ieee80211_vif *vif,
- enum ieee80211_band band,
- u8 is_active, u8 n_probes,
- struct iwl_scan_channel *scan_ch)
-{
- struct ieee80211_channel *chan;
- const struct ieee80211_supported_band *sband;
- const struct iwl_channel_info *ch_info;
- u16 passive_dwell = 0;
- u16 active_dwell = 0;
- int added, i;
- u16 channel;
-
- sband = iwl_get_hw_mode(priv, band);
- if (!sband)
- return 0;
-
- active_dwell = iwl_get_active_dwell_time(priv, band, n_probes);
- passive_dwell = iwl_get_passive_dwell_time(priv, band, vif);
-
- if (passive_dwell <= active_dwell)
- passive_dwell = active_dwell + 1;
-
- for (i = 0, added = 0; i < priv->scan_request->n_channels; i++) {
- chan = priv->scan_request->channels[i];
-
- if (chan->band != band)
- continue;
-
- channel = chan->hw_value;
- scan_ch->channel = cpu_to_le16(channel);
-
- ch_info = iwl_get_channel_info(priv, band, channel);
- if (!is_channel_valid(ch_info)) {
- IWL_DEBUG_SCAN(priv, "Channel %d is INVALID for this band.\n",
- channel);
- continue;
- }
-
- if (!is_active || is_channel_passive(ch_info) ||
- (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN))
- scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
- else
- scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE;
-
- if (n_probes)
- scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes);
-
- scan_ch->active_dwell = cpu_to_le16(active_dwell);
- scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
-
- /* Set txpower levels to defaults */
- scan_ch->dsp_atten = 110;
-
- /* NOTE: if we were doing 6Mb OFDM for scans we'd use
- * power level:
- * scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3;
- */
- if (band == IEEE80211_BAND_5GHZ)
- scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
- else
- scan_ch->tx_gain = ((1 << 5) | (5 << 3));
-
- IWL_DEBUG_SCAN(priv, "Scanning ch=%d prob=0x%X [%s %d]\n",
- channel, le32_to_cpu(scan_ch->type),
- (scan_ch->type & SCAN_CHANNEL_TYPE_ACTIVE) ?
- "ACTIVE" : "PASSIVE",
- (scan_ch->type & SCAN_CHANNEL_TYPE_ACTIVE) ?
- active_dwell : passive_dwell);
-
- scan_ch++;
- added++;
- }
-
- IWL_DEBUG_SCAN(priv, "total channels to scan %d\n", added);
- return added;
-}
-
-int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
-{
- struct iwl_host_cmd cmd = {
- .id = REPLY_SCAN_CMD,
- .len = { sizeof(struct iwl_scan_cmd), },
- .flags = CMD_SYNC,
- };
- struct iwl_scan_cmd *scan;
- struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- u32 rate_flags = 0;
- u16 cmd_len;
- u16 rx_chain = 0;
- enum ieee80211_band band;
- u8 n_probes = 0;
- u8 rx_ant = hw_params(priv).valid_rx_ant;
- u8 rate;
- bool is_active = false;
- int chan_mod;
- u8 active_chains;
- u8 scan_tx_antennas = hw_params(priv).valid_tx_ant;
- int ret;
-
- lockdep_assert_held(&priv->shrd->mutex);
-
- if (vif)
- ctx = iwl_rxon_ctx_from_vif(vif);
-
- if (!priv->scan_cmd) {
- priv->scan_cmd = kmalloc(sizeof(struct iwl_scan_cmd) +
- IWL_MAX_SCAN_SIZE, GFP_KERNEL);
- if (!priv->scan_cmd) {
- IWL_DEBUG_SCAN(priv,
- "fail to allocate memory for scan\n");
- return -ENOMEM;
- }
- }
- scan = priv->scan_cmd;
- memset(scan, 0, sizeof(struct iwl_scan_cmd) + IWL_MAX_SCAN_SIZE);
-
- scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
- scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
-
- if (priv->scan_type != IWL_SCAN_ROC &&
- iwl_is_any_associated(priv)) {
- u16 interval = 0;
- u32 extra;
- u32 suspend_time = 100;
- u32 scan_suspend_time = 100;
-
- IWL_DEBUG_INFO(priv, "Scanning while associated...\n");
- switch (priv->scan_type) {
- case IWL_SCAN_ROC:
- WARN_ON(1);
- break;
- case IWL_SCAN_RADIO_RESET:
- interval = 0;
- break;
- case IWL_SCAN_NORMAL:
- interval = vif->bss_conf.beacon_int;
- break;
- }
-
- scan->suspend_time = 0;
- scan->max_out_time = cpu_to_le32(200 * 1024);
- if (!interval)
- interval = suspend_time;
-
- extra = (suspend_time / interval) << 22;
- scan_suspend_time = (extra |
- ((suspend_time % interval) * 1024));
- scan->suspend_time = cpu_to_le32(scan_suspend_time);
- IWL_DEBUG_SCAN(priv, "suspend_time 0x%X beacon interval %d\n",
- scan_suspend_time, interval);
- } else if (priv->scan_type == IWL_SCAN_ROC) {
- scan->suspend_time = 0;
- scan->max_out_time = 0;
- scan->quiet_time = 0;
- scan->quiet_plcp_th = 0;
- }
-
- switch (priv->scan_type) {
- case IWL_SCAN_RADIO_RESET:
- IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n");
- break;
- case IWL_SCAN_NORMAL:
- if (priv->scan_request->n_ssids) {
- int i, p = 0;
- IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
- for (i = 0; i < priv->scan_request->n_ssids; i++) {
- /* always does wildcard anyway */
- if (!priv->scan_request->ssids[i].ssid_len)
- continue;
- scan->direct_scan[p].id = WLAN_EID_SSID;
- scan->direct_scan[p].len =
- priv->scan_request->ssids[i].ssid_len;
- memcpy(scan->direct_scan[p].ssid,
- priv->scan_request->ssids[i].ssid,
- priv->scan_request->ssids[i].ssid_len);
- n_probes++;
- p++;
- }
- is_active = true;
- } else
- IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
- break;
- case IWL_SCAN_ROC:
- IWL_DEBUG_SCAN(priv, "Start ROC scan.\n");
- break;
- }
-
- scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
- scan->tx_cmd.sta_id = ctx->bcast_sta_id;
- scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
- switch (priv->scan_band) {
- case IEEE80211_BAND_2GHZ:
- scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
- chan_mod = le32_to_cpu(
- priv->contexts[IWL_RXON_CTX_BSS].active.flags &
- RXON_FLG_CHANNEL_MODE_MSK)
- >> RXON_FLG_CHANNEL_MODE_POS;
- if (chan_mod == CHANNEL_MODE_PURE_40) {
- rate = IWL_RATE_6M_PLCP;
- } else {
- rate = IWL_RATE_1M_PLCP;
- rate_flags = RATE_MCS_CCK_MSK;
- }
- /*
- * Internal scans are passive, so we can indiscriminately set
- * the BT ignore flag on 2.4 GHz since it applies to TX only.
- */
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist)
- scan->tx_cmd.tx_flags |= TX_CMD_FLG_IGNORE_BT;
- break;
- case IEEE80211_BAND_5GHZ:
- rate = IWL_RATE_6M_PLCP;
- break;
- default:
- IWL_WARN(priv, "Invalid scan band\n");
- return -EIO;
- }
-
- /*
- * If active scanning is requested but a certain channel is
- * marked passive, we can do active scanning if we detect
- * transmissions.
- *
- * There is an issue with some firmware versions that triggers
- * a sysassert on a "good CRC threshold" of zero (== disabled),
- * on a radar channel even though this means that we should NOT
- * send probes.
- *
- * The "good CRC threshold" is the number of frames that we
- * need to receive during our dwell time on a channel before
- * sending out probes -- setting this to a huge value will
- * mean we never reach it, but at the same time work around
- * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
- * here instead of IWL_GOOD_CRC_TH_DISABLED.
- *
- * This was fixed in later versions along with some other
- * scan changes, and the threshold behaves as a flag in those
- * versions.
- */
- if (priv->new_scan_threshold_behaviour)
- scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
- IWL_GOOD_CRC_TH_DISABLED;
- else
- scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
- IWL_GOOD_CRC_TH_NEVER;
-
- band = priv->scan_band;
-
- if (priv->cfg->scan_rx_antennas[band])
- rx_ant = priv->cfg->scan_rx_antennas[band];
-
- if (band == IEEE80211_BAND_2GHZ &&
- priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist) {
- /* transmit 2.4 GHz probes only on first antenna */
- scan_tx_antennas = first_antenna(scan_tx_antennas);
- }
-
- 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);
-
- /* In power save mode use one chain, otherwise use all chains */
- if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) {
- /* rx_ant has been set to all valid chains previously */
- active_chains = rx_ant &
- ((u8)(priv->chain_noise_data.active_chains));
- if (!active_chains)
- active_chains = rx_ant;
-
- IWL_DEBUG_SCAN(priv, "chain_noise_data.active_chains: %u\n",
- priv->chain_noise_data.active_chains);
-
- rx_ant = first_antenna(active_chains);
- }
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist &&
- priv->bt_full_concurrent) {
- /* operated as 1x1 in full concurrency mode */
- rx_ant = first_antenna(rx_ant);
- }
-
- /* MIMO is not used here, but value is required */
- rx_chain |=
- hw_params(priv).valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
- rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
- rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS;
- rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
- scan->rx_chain = cpu_to_le16(rx_chain);
- switch (priv->scan_type) {
- case IWL_SCAN_NORMAL:
- 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));
- break;
- case IWL_SCAN_RADIO_RESET:
- case IWL_SCAN_ROC:
- /* use bcast addr, will not be transmitted but must be valid */
- cmd_len = iwl_fill_probe_req(priv,
- (struct ieee80211_mgmt *)scan->data,
- iwl_bcast_addr, NULL, 0,
- IWL_MAX_SCAN_SIZE - sizeof(*scan));
- break;
- default:
- BUG();
- }
- scan->tx_cmd.len = cpu_to_le16(cmd_len);
-
- scan->filter_flags |= (RXON_FILTER_ACCEPT_GRP_MSK |
- RXON_FILTER_BCON_AWARE_MSK);
-
- switch (priv->scan_type) {
- case IWL_SCAN_RADIO_RESET:
- scan->channel_count =
- iwl_get_single_channel_for_scan(priv, vif, band,
- (void *)&scan->data[cmd_len]);
- break;
- case IWL_SCAN_NORMAL:
- scan->channel_count =
- iwl_get_channels_for_scan(priv, vif, band,
- is_active, n_probes,
- (void *)&scan->data[cmd_len]);
- break;
- case IWL_SCAN_ROC: {
- struct iwl_scan_channel *scan_ch;
-
- scan->channel_count = 1;
-
- scan_ch = (void *)&scan->data[cmd_len];
- scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
- scan_ch->channel =
- cpu_to_le16(priv->hw_roc_channel->hw_value);
- scan_ch->active_dwell =
- scan_ch->passive_dwell =
- cpu_to_le16(priv->hw_roc_duration);
-
- /* Set txpower levels to defaults */
- scan_ch->dsp_atten = 110;
-
- /* NOTE: if we were doing 6Mb OFDM for scans we'd use
- * power level:
- * scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3;
- */
- if (priv->hw_roc_channel->band == IEEE80211_BAND_5GHZ)
- scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
- else
- scan_ch->tx_gain = ((1 << 5) | (5 << 3));
- }
- break;
- }
-
- if (scan->channel_count == 0) {
- IWL_DEBUG_SCAN(priv, "channel count %d\n", scan->channel_count);
- return -EIO;
- }
-
- cmd.len[0] += le16_to_cpu(scan->tx_cmd.len) +
- scan->channel_count * sizeof(struct iwl_scan_channel);
- cmd.data[0] = scan;
- cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
- scan->len = cpu_to_le16(cmd.len[0]);
-
- /* set scan bit here for PAN params */
- set_bit(STATUS_SCAN_HW, &priv->shrd->status);
-
- ret = iwlagn_set_pan_params(priv);
- if (ret)
- return ret;
-
- ret = iwl_trans_send_cmd(trans(priv), &cmd);
- if (ret) {
- clear_bit(STATUS_SCAN_HW, &priv->shrd->status);
- iwlagn_set_pan_params(priv);
- }
-
- return ret;
-}
-
int iwlagn_manage_ibss_station(struct iwl_priv *priv,
struct ieee80211_vif *vif, bool add)
{
}
}
-void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
unsigned long flags;
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
/* bt coex disabled */
- return;
+ return 0;
}
IWL_DEBUG_COEX(priv, "BT Coex notification:\n");
spin_lock_irqsave(&priv->shrd->lock, flags);
priv->bt_ci_compliance = coex->bt_ci_compliance;
spin_unlock_irqrestore(&priv->shrd->lock, flags);
+ return 0;
}
void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv)
{
struct iwl_station_priv *sta_priv =
container_of(lq_sta, struct iwl_station_priv, lq_sta);
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
lq_sta->active_legacy_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */
lq_sta->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */
static bool rs_use_green(struct ieee80211_sta *sta)
{
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
!(ctx->ht.non_gf_sta_present);
struct iwl_scale_tbl_info tbl_type;
struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl;
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
IWL_DEBUG_RATE_LIMIT(priv, "get frame ack response, update rate scale window\n");
s32 rate;
s8 is_green = lq_sta->is_green;
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
s32 rate;
s8 is_green = lq_sta->is_green;
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
u8 is_green = lq_sta->is_green;
s32 rate;
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
u8 tid = IWL_MAX_TID_COUNT;
struct iwl_tid_data *tid_data;
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+ struct iwl_rxon_context *ctx = sta_priv->ctx;
IWL_DEBUG_RATE(priv, "rate scale calculate new rate for skb\n");
return;
sta_priv = (void *)sta->drv_priv;
- ctx = sta_priv->common.ctx;
+ ctx = sta_priv->ctx;
i = lq_sta->last_txrate_idx;
iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
}
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
+ is_agg = true;
+
/* irqs already disabled/saved above when locking priv->shrd->lock */
spin_lock(&priv->shrd->sta_lock);
goto drop_unlock_sta;
memset(dev_cmd, 0, sizeof(*dev_cmd));
- tx_cmd = &dev_cmd->cmd.tx;
+ tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
/* Copy MAC header from skb into command buffer */
memcpy(tx_cmd->hdr, hdr, hdr_len);
}
}
-void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
+int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
iwl_check_abort_status(priv, tx_resp->frame_count, status);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
+ return 0;
}
/**
* Handles block-acknowledge notification from device, which reports success
* of frames sent via aggregation.
*/
-void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
if (scd_flow >= hw_params(priv).max_txq_num) {
IWL_ERR(priv,
"BUG_ON scd_flow is bigger than number of queues\n");
- return;
+ return 0;
}
sta_id = ba_resp->sta_id;
"BA scd_flow %d does not match txq_id %d\n",
scd_flow, agg->txq_id);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
- return;
+ return 0;
}
if (unlikely(!agg->wait_for_ba)) {
if (unlikely(ba_resp->bitmap))
IWL_ERR(priv, "Received BA when not expected\n");
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
- return;
+ return 0;
}
IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, "
}
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
+ return 0;
}
return iwl_trans_send_cmd(trans(priv), &cmd);
}
-void iwlagn_rx_calib_result(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+int iwlagn_rx_calib_result(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
default:
IWL_ERR(priv, "Unknown calibration notification %d\n",
hdr->op_code);
- return;
+ return -1;
}
iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len);
+ return 0;
}
int iwlagn_init_alive_start(struct iwl_priv *priv)
mutex_lock(&priv->shrd->mutex);
IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
sta->addr);
- sta_priv->common.sta_id = IWL_INVALID_STATION;
+ sta_priv->sta_id = IWL_INVALID_STATION;
atomic_set(&sta_priv->pending_frames, 0);
if (vif->type == NL80211_IFTYPE_AP)
return ret;
}
- sta_priv->common.sta_id = sta_id;
+ sta_priv->sta_id = sta_id;
/* Initialize rate scaling */
IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
mutex_lock(&priv->shrd->mutex);
- /*
- * TODO: Remove this hack! Firmware needs to be updated
- * to allow longer off-channel periods in scanning for
- * this use case, based on a flag (and we'll need an API
- * flag in the firmware when it has that).
- */
- if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && duration > 80)
- duration = 80;
-
if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) {
err = -EBUSY;
goto out;
priv->hw_roc_channel = channel;
priv->hw_roc_chantype = channel_type;
priv->hw_roc_duration = duration;
+ priv->hw_roc_start_notified = false;
cancel_delayed_work(&priv->hw_roc_disable_work);
if (!ctx->is_active) {
u32 changes);
/* uCode */
-void iwlagn_rx_calib_result(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb);
+int iwlagn_rx_calib_result(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
void iwlagn_send_prio_tbl(struct iwl_priv *priv);
int iwlagn_run_init_ucode(struct iwl_priv *priv);
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid);
-void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb);
-void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
+int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
+int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
static inline u32 iwl_tx_status_to_mac80211(u32 status)
{
u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
/* scan */
-int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif);
void iwlagn_post_scan(struct iwl_priv *priv);
void iwlagn_disable_roc(struct iwl_priv *priv);
/* bt coex */
void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
-void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb);
+int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
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,
- u8 n_probes);
-u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
- enum ieee80211_band band,
- struct ieee80211_vif *vif);
void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
int __must_check iwl_scan_initiate(struct iwl_priv *priv,
struct iwl_link_quality_cmd *lq;
};
-struct iwl_station_priv_common {
- struct iwl_rxon_context *ctx;
- u8 sta_id;
-};
-
/*
* iwl_station_priv: Driver's private station information
*
* space.
*/
struct iwl_station_priv {
- struct iwl_station_priv_common common;
+ struct iwl_rxon_context *ctx;
struct iwl_lq_sta lq_sta;
atomic_t pending_frames;
bool client;
bool asleep;
u8 max_agg_bufsize;
+ u8 sta_id;
};
/**
void (*pre_rx_handler)(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
- void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb);
+ int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
struct delayed_work hw_roc_disable_work;
enum nl80211_channel_type hw_roc_chantype;
int hw_roc_duration;
- bool hw_roc_setup;
+ bool hw_roc_setup, hw_roc_start_notified;
/* bt coex */
u8 bt_enable_flag;
.len = { sizeof(struct iwl_led_cmd), },
.data = { led_cmd, },
.flags = CMD_ASYNC,
- .callback = NULL,
};
u32 reg;
*
******************************************************************************/
-static void iwl_rx_reply_error(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_reply_error(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
pkt->u.err_resp.cmd_id,
le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
le32_to_cpu(pkt->u.err_resp.error_info));
+ return 0;
}
-static void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
struct iwl_rxon_cmd *rxon = (void *)&ctx->active;
if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status))
- return;
+ return 0;
if (!le32_to_cpu(csa->status) && csa->channel == priv->switch_channel) {
rxon->channel = csa->channel;
le16_to_cpu(csa->channel));
iwl_chswitch_done(priv, false);
}
+ return 0;
}
-static void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_spectrum_measure_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif);
if (!report->state) {
IWL_DEBUG_11H(priv,
"Spectrum Measure Notification: Start\n");
- return;
+ return 0;
}
memcpy(&priv->measure_report, report, sizeof(*report));
priv->measurement_status |= MEASUREMENT_READY;
+ return 0;
}
-static void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
sleep->pm_sleep_mode, sleep->pm_wakeup_src);
#endif
+ return 0;
}
-static void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u32 __maybe_unused len =
"notification for %s:\n", len,
get_cmd_string(pkt->hdr.cmd));
iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, len);
+ return 0;
}
-static void iwl_rx_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_beacon_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwlagn_beacon_notif *beacon = (void *)pkt->u.raw;
if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
queue_work(priv->shrd->workqueue, &priv->beacon_update);
+ return 0;
}
/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
}
#endif
-static void iwl_rx_statistics(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_statistics(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
unsigned long stamp = jiffies;
const int reg_recalib_period = 60;
WARN_ONCE(1, "len %d doesn't match BT (%zu) or normal (%zu)\n",
len, sizeof(struct iwl_bt_notif_statistics),
sizeof(struct iwl_notif_statistics));
- return;
+ return 0;
}
change = common->temperature != priv->statistics.common.temperature ||
}
if (priv->cfg->lib->temperature && change)
priv->cfg->lib->temperature(priv);
+ return 0;
}
-static void iwl_rx_reply_statistics(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_reply_statistics(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
#endif
IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
}
- iwl_rx_statistics(priv, rxb);
+ iwl_rx_statistics(priv, rxb, cmd);
+ return 0;
}
/* Handle notification from uCode that card's power state is changing
* due to software, hardware, or critical temperature RFKILL */
-static void iwl_rx_card_state_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_card_state_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
else
wake_up(&priv->shrd->wait_command_queue);
+ return 0;
}
-static void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (!test_bit(STATUS_SCANNING, &priv->shrd->status))
iwl_init_sensitivity(priv);
}
+ return 0;
}
/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD).
* This will be used later in iwl_rx_reply_rx() for REPLY_RX_MPDU_CMD. */
-static void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_reply_rx_phy(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
priv->last_phy_res_valid = true;
memcpy(&priv->last_phy_res, pkt->u.raw,
sizeof(struct iwl_rx_phy_res));
+ return 0;
}
/*
/* Called for REPLY_RX (legacy ABG frames), or
* REPLY_RX_MPDU_CMD (HT high-throughput N frames). */
-static void iwl_rx_reply_rx(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_reply_rx(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct ieee80211_hdr *header;
struct ieee80211_rx_status rx_status;
} else {
if (!priv->last_phy_res_valid) {
IWL_ERR(priv, "MPDU frame without cached PHY data\n");
- return;
+ return 0;
}
phy_res = &priv->last_phy_res;
amsdu = (struct iwl_rx_mpdu_res_start *)pkt->u.raw;
if ((unlikely(phy_res->cfg_phy_cnt > 20))) {
IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d/n",
phy_res->cfg_phy_cnt);
- return;
+ return 0;
}
if (!(rx_pkt_status & RX_RES_STATUS_NO_CRC32_ERROR) ||
!(rx_pkt_status & RX_RES_STATUS_NO_RXE_OVERFLOW)) {
IWL_DEBUG_RX(priv, "Bad CRC or FIFO: 0x%08X.\n",
le32_to_cpu(rx_pkt_status));
- return;
+ return 0;
}
/* This will be used in several places later */
iwl_pass_packet_to_mac80211(priv, header, len, ampdu_status,
rxb, &rx_status);
+ return 0;
}
/**
*/
void iwl_setup_rx_handlers(struct iwl_priv *priv)
{
- void (**handlers)(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
+ int (**handlers)(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
handlers = priv->rx_handlers;
handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
handlers[PM_DEBUG_STATISTIC_NOTIFIC] = iwl_rx_pm_debug_statistics_notif;
handlers[BEACON_NOTIFICATION] = iwl_rx_beacon_notif;
+ handlers[REPLY_ADD_STA] = iwl_add_sta_callback;
/*
* The same handler is used for both the REPLY to a discrete
}
-void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
+int iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ int err = 0;
/*
* Do the notification wait before RX handlers so
* rx_handlers table. See iwl_setup_rx_handlers() */
if (priv->rx_handlers[pkt->hdr.cmd]) {
priv->rx_handlers_stats[pkt->hdr.cmd]++;
- priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
+ err = priv->rx_handlers[pkt->hdr.cmd] (priv, rxb, cmd);
} else {
/* No handling needed */
IWL_DEBUG_RX(priv,
"No handler needed for %s, 0x%02x\n",
get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
}
+ return err;
}
}
/* Service response to REPLY_SCAN_CMD (0x80) */
-static void iwl_rx_reply_scan(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_reply_scan(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
IWL_DEBUG_SCAN(priv, "Scan request status = 0x%x\n", notif->status);
#endif
+ return 0;
}
/* Service SCAN_START_NOTIFICATION (0x82) */
-static void iwl_rx_scan_start_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_scan_start_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_scanstart_notification *notif =
le32_to_cpu(notif->tsf_low),
notif->status, notif->beacon_timer);
- if (priv->scan_type == IWL_SCAN_ROC)
+ if (priv->scan_type == IWL_SCAN_ROC &&
+ !priv->hw_roc_start_notified) {
ieee80211_ready_on_channel(priv->hw);
+ priv->hw_roc_start_notified = true;
+ }
+
+ return 0;
}
/* Service SCAN_RESULTS_NOTIFICATION (0x83) */
-static void iwl_rx_scan_results_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_scan_results_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_rx_packet *pkt = rxb_addr(rxb);
le32_to_cpu(notif->statistics[0]),
le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf);
#endif
+ return 0;
}
/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
-static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static int iwl_rx_scan_complete_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
queue_work(priv->shrd->workqueue,
&priv->bt_traffic_change_work);
}
+ return 0;
}
void iwl_setup_rx_scan_handlers(struct iwl_priv *priv)
iwl_rx_scan_complete_notif;
}
-inline u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
- enum ieee80211_band band,
- u8 n_probes)
+static u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
+ enum ieee80211_band band, u8 n_probes)
{
if (band == IEEE80211_BAND_5GHZ)
return IWL_ACTIVE_DWELL_TIME_52 +
IWL_ACTIVE_DWELL_FACTOR_24GHZ * (n_probes + 1);
}
-u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
- enum ieee80211_band band,
- struct ieee80211_vif *vif)
+static u16 iwl_limit_dwell(struct iwl_priv *priv, u16 dwell_time)
{
struct iwl_rxon_context *ctx;
+
+ /*
+ * If we're associated, we clamp the dwell time 98%
+ * of the smallest beacon interval (minus 2 * channel
+ * tune time)
+ */
+ for_each_context(priv, ctx) {
+ u16 value;
+
+ if (!iwl_is_associated_ctx(ctx))
+ continue;
+ value = ctx->beacon_int;
+ if (!value)
+ value = IWL_PASSIVE_DWELL_BASE;
+ value = (value * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
+ dwell_time = min(value, dwell_time);
+ }
+
+ return dwell_time;
+}
+
+static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
+ enum ieee80211_band band)
+{
u16 passive = (band == IEEE80211_BAND_2GHZ) ?
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
- if (iwl_is_any_associated(priv)) {
+ return iwl_limit_dwell(priv, passive);
+}
+
+static int iwl_get_single_channel_for_scan(struct iwl_priv *priv,
+ struct ieee80211_vif *vif,
+ enum ieee80211_band band,
+ struct iwl_scan_channel *scan_ch)
+{
+ const struct ieee80211_supported_band *sband;
+ u16 passive_dwell = 0;
+ u16 active_dwell = 0;
+ int added = 0;
+ u16 channel = 0;
+
+ sband = iwl_get_hw_mode(priv, band);
+ if (!sband) {
+ IWL_ERR(priv, "invalid band\n");
+ return added;
+ }
+
+ active_dwell = iwl_get_active_dwell_time(priv, band, 0);
+ passive_dwell = iwl_get_passive_dwell_time(priv, band);
+
+ if (passive_dwell <= active_dwell)
+ passive_dwell = active_dwell + 1;
+
+ channel = iwl_get_single_channel_number(priv, band);
+ if (channel) {
+ scan_ch->channel = cpu_to_le16(channel);
+ scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
+ scan_ch->active_dwell = cpu_to_le16(active_dwell);
+ scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
+ /* Set txpower levels to defaults */
+ scan_ch->dsp_atten = 110;
+ if (band == IEEE80211_BAND_5GHZ)
+ scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
+ else
+ scan_ch->tx_gain = ((1 << 5) | (5 << 3));
+ added++;
+ } else
+ IWL_ERR(priv, "no valid channel found\n");
+ return added;
+}
+
+static int iwl_get_channels_for_scan(struct iwl_priv *priv,
+ struct ieee80211_vif *vif,
+ enum ieee80211_band band,
+ u8 is_active, u8 n_probes,
+ struct iwl_scan_channel *scan_ch)
+{
+ struct ieee80211_channel *chan;
+ const struct ieee80211_supported_band *sband;
+ const struct iwl_channel_info *ch_info;
+ u16 passive_dwell = 0;
+ u16 active_dwell = 0;
+ int added, i;
+ u16 channel;
+
+ sband = iwl_get_hw_mode(priv, band);
+ if (!sband)
+ return 0;
+
+ active_dwell = iwl_get_active_dwell_time(priv, band, n_probes);
+ passive_dwell = iwl_get_passive_dwell_time(priv, band);
+
+ if (passive_dwell <= active_dwell)
+ passive_dwell = active_dwell + 1;
+
+ for (i = 0, added = 0; i < priv->scan_request->n_channels; i++) {
+ chan = priv->scan_request->channels[i];
+
+ if (chan->band != band)
+ continue;
+
+ channel = chan->hw_value;
+ scan_ch->channel = cpu_to_le16(channel);
+
+ ch_info = iwl_get_channel_info(priv, band, channel);
+ if (!is_channel_valid(ch_info)) {
+ IWL_DEBUG_SCAN(priv,
+ "Channel %d is INVALID for this band.\n",
+ channel);
+ continue;
+ }
+
+ if (!is_active || is_channel_passive(ch_info) ||
+ (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN))
+ scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
+ else
+ scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE;
+
+ if (n_probes)
+ scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes);
+
+ scan_ch->active_dwell = cpu_to_le16(active_dwell);
+ scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
+
+ /* Set txpower levels to defaults */
+ scan_ch->dsp_atten = 110;
+
+ /* NOTE: if we were doing 6Mb OFDM for scans we'd use
+ * power level:
+ * scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3;
+ */
+ if (band == IEEE80211_BAND_5GHZ)
+ scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
+ else
+ scan_ch->tx_gain = ((1 << 5) | (5 << 3));
+
+ IWL_DEBUG_SCAN(priv, "Scanning ch=%d prob=0x%X [%s %d]\n",
+ channel, le32_to_cpu(scan_ch->type),
+ (scan_ch->type & SCAN_CHANNEL_TYPE_ACTIVE) ?
+ "ACTIVE" : "PASSIVE",
+ (scan_ch->type & SCAN_CHANNEL_TYPE_ACTIVE) ?
+ active_dwell : passive_dwell);
+
+ scan_ch++;
+ added++;
+ }
+
+ IWL_DEBUG_SCAN(priv, "total channels to scan %d\n", added);
+ return added;
+}
+
+static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
+{
+ struct iwl_host_cmd cmd = {
+ .id = REPLY_SCAN_CMD,
+ .len = { sizeof(struct iwl_scan_cmd), },
+ .flags = CMD_SYNC,
+ };
+ struct iwl_scan_cmd *scan;
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+ u32 rate_flags = 0;
+ u16 cmd_len;
+ u16 rx_chain = 0;
+ enum ieee80211_band band;
+ u8 n_probes = 0;
+ u8 rx_ant = hw_params(priv).valid_rx_ant;
+ u8 rate;
+ bool is_active = false;
+ int chan_mod;
+ u8 active_chains;
+ u8 scan_tx_antennas = hw_params(priv).valid_tx_ant;
+ int ret;
+
+ lockdep_assert_held(&priv->shrd->mutex);
+
+ if (vif)
+ ctx = iwl_rxon_ctx_from_vif(vif);
+
+ if (!priv->scan_cmd) {
+ priv->scan_cmd = kmalloc(sizeof(struct iwl_scan_cmd) +
+ IWL_MAX_SCAN_SIZE, GFP_KERNEL);
+ if (!priv->scan_cmd) {
+ IWL_DEBUG_SCAN(priv,
+ "fail to allocate memory for scan\n");
+ return -ENOMEM;
+ }
+ }
+ scan = priv->scan_cmd;
+ memset(scan, 0, sizeof(struct iwl_scan_cmd) + IWL_MAX_SCAN_SIZE);
+
+ scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
+ scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
+
+ if (priv->scan_type != IWL_SCAN_ROC &&
+ iwl_is_any_associated(priv)) {
+ u16 interval = 0;
+ u32 extra;
+ u32 suspend_time = 100;
+ u32 scan_suspend_time = 100;
+
+ IWL_DEBUG_INFO(priv, "Scanning while associated...\n");
+ switch (priv->scan_type) {
+ case IWL_SCAN_ROC:
+ WARN_ON(1);
+ break;
+ case IWL_SCAN_RADIO_RESET:
+ interval = 0;
+ break;
+ case IWL_SCAN_NORMAL:
+ interval = vif->bss_conf.beacon_int;
+ break;
+ }
+
+ scan->suspend_time = 0;
+ scan->max_out_time = cpu_to_le32(200 * 1024);
+ if (!interval)
+ interval = suspend_time;
+
+ extra = (suspend_time / interval) << 22;
+ scan_suspend_time = (extra |
+ ((suspend_time % interval) * 1024));
+ scan->suspend_time = cpu_to_le32(scan_suspend_time);
+ IWL_DEBUG_SCAN(priv, "suspend_time 0x%X beacon interval %d\n",
+ scan_suspend_time, interval);
+ } else if (priv->scan_type == IWL_SCAN_ROC) {
+ scan->suspend_time = 0;
+ scan->max_out_time = 0;
+ scan->quiet_time = 0;
+ scan->quiet_plcp_th = 0;
+ }
+
+ switch (priv->scan_type) {
+ case IWL_SCAN_RADIO_RESET:
+ IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n");
+ break;
+ case IWL_SCAN_NORMAL:
+ if (priv->scan_request->n_ssids) {
+ int i, p = 0;
+ IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
+ for (i = 0; i < priv->scan_request->n_ssids; i++) {
+ /* always does wildcard anyway */
+ if (!priv->scan_request->ssids[i].ssid_len)
+ continue;
+ scan->direct_scan[p].id = WLAN_EID_SSID;
+ scan->direct_scan[p].len =
+ priv->scan_request->ssids[i].ssid_len;
+ memcpy(scan->direct_scan[p].ssid,
+ priv->scan_request->ssids[i].ssid,
+ priv->scan_request->ssids[i].ssid_len);
+ n_probes++;
+ p++;
+ }
+ is_active = true;
+ } else
+ IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
+ break;
+ case IWL_SCAN_ROC:
+ IWL_DEBUG_SCAN(priv, "Start ROC scan.\n");
+ break;
+ }
+
+ scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
+ scan->tx_cmd.sta_id = ctx->bcast_sta_id;
+ scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
+
+ switch (priv->scan_band) {
+ case IEEE80211_BAND_2GHZ:
+ scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
+ chan_mod = le32_to_cpu(
+ priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+ RXON_FLG_CHANNEL_MODE_MSK)
+ >> RXON_FLG_CHANNEL_MODE_POS;
+ if (chan_mod == CHANNEL_MODE_PURE_40) {
+ rate = IWL_RATE_6M_PLCP;
+ } else {
+ rate = IWL_RATE_1M_PLCP;
+ rate_flags = RATE_MCS_CCK_MSK;
+ }
/*
- * If we're associated, we clamp the maximum passive
- * dwell time to be 98% of the smallest beacon interval
- * (minus 2 * channel tune time)
+ * Internal scans are passive, so we can indiscriminately set
+ * the BT ignore flag on 2.4 GHz since it applies to TX only.
*/
- for_each_context(priv, ctx) {
- u16 value;
-
- if (!iwl_is_associated_ctx(ctx))
- continue;
- value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;
- if ((value > IWL_PASSIVE_DWELL_BASE) || !value)
- value = IWL_PASSIVE_DWELL_BASE;
- value = (value * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
- passive = min(value, passive);
+ if (priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist)
+ scan->tx_cmd.tx_flags |= TX_CMD_FLG_IGNORE_BT;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ rate = IWL_RATE_6M_PLCP;
+ break;
+ default:
+ IWL_WARN(priv, "Invalid scan band\n");
+ return -EIO;
+ }
+
+ /*
+ * If active scanning is requested but a certain channel is
+ * marked passive, we can do active scanning if we detect
+ * transmissions.
+ *
+ * There is an issue with some firmware versions that triggers
+ * a sysassert on a "good CRC threshold" of zero (== disabled),
+ * on a radar channel even though this means that we should NOT
+ * send probes.
+ *
+ * The "good CRC threshold" is the number of frames that we
+ * need to receive during our dwell time on a channel before
+ * sending out probes -- setting this to a huge value will
+ * mean we never reach it, but at the same time work around
+ * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
+ * here instead of IWL_GOOD_CRC_TH_DISABLED.
+ *
+ * This was fixed in later versions along with some other
+ * scan changes, and the threshold behaves as a flag in those
+ * versions.
+ */
+ if (priv->new_scan_threshold_behaviour)
+ scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+ IWL_GOOD_CRC_TH_DISABLED;
+ else
+ scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+ IWL_GOOD_CRC_TH_NEVER;
+
+ band = priv->scan_band;
+
+ if (priv->cfg->scan_rx_antennas[band])
+ rx_ant = priv->cfg->scan_rx_antennas[band];
+
+ if (band == IEEE80211_BAND_2GHZ &&
+ priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist) {
+ /* transmit 2.4 GHz probes only on first antenna */
+ scan_tx_antennas = first_antenna(scan_tx_antennas);
+ }
+
+ 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);
+
+ /* In power save mode use one chain, otherwise use all chains */
+ if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) {
+ /* rx_ant has been set to all valid chains previously */
+ active_chains = rx_ant &
+ ((u8)(priv->chain_noise_data.active_chains));
+ if (!active_chains)
+ active_chains = rx_ant;
+
+ IWL_DEBUG_SCAN(priv, "chain_noise_data.active_chains: %u\n",
+ priv->chain_noise_data.active_chains);
+
+ rx_ant = first_antenna(active_chains);
+ }
+ if (priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist &&
+ priv->bt_full_concurrent) {
+ /* operated as 1x1 in full concurrency mode */
+ rx_ant = first_antenna(rx_ant);
+ }
+
+ /* MIMO is not used here, but value is required */
+ rx_chain |=
+ hw_params(priv).valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
+ rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
+ rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS;
+ rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
+ scan->rx_chain = cpu_to_le16(rx_chain);
+ switch (priv->scan_type) {
+ case IWL_SCAN_NORMAL:
+ 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));
+ break;
+ case IWL_SCAN_RADIO_RESET:
+ case IWL_SCAN_ROC:
+ /* use bcast addr, will not be transmitted but must be valid */
+ cmd_len = iwl_fill_probe_req(priv,
+ (struct ieee80211_mgmt *)scan->data,
+ iwl_bcast_addr, NULL, 0,
+ IWL_MAX_SCAN_SIZE - sizeof(*scan));
+ break;
+ default:
+ BUG();
+ }
+ scan->tx_cmd.len = cpu_to_le16(cmd_len);
+
+ scan->filter_flags |= (RXON_FILTER_ACCEPT_GRP_MSK |
+ RXON_FILTER_BCON_AWARE_MSK);
+
+ switch (priv->scan_type) {
+ case IWL_SCAN_RADIO_RESET:
+ scan->channel_count =
+ iwl_get_single_channel_for_scan(priv, vif, band,
+ (void *)&scan->data[cmd_len]);
+ break;
+ case IWL_SCAN_NORMAL:
+ scan->channel_count =
+ iwl_get_channels_for_scan(priv, vif, band,
+ is_active, n_probes,
+ (void *)&scan->data[cmd_len]);
+ break;
+ case IWL_SCAN_ROC: {
+ struct iwl_scan_channel *scan_ch;
+ int n_chan, i;
+ u16 dwell;
+
+ dwell = iwl_limit_dwell(priv, priv->hw_roc_duration);
+ n_chan = DIV_ROUND_UP(priv->hw_roc_duration, dwell);
+
+ scan->channel_count = n_chan;
+
+ scan_ch = (void *)&scan->data[cmd_len];
+
+ for (i = 0; i < n_chan; i++) {
+ scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
+ scan_ch->channel =
+ cpu_to_le16(priv->hw_roc_channel->hw_value);
+
+ if (i == n_chan - 1)
+ dwell = priv->hw_roc_duration - i * dwell;
+
+ scan_ch->active_dwell =
+ scan_ch->passive_dwell = cpu_to_le16(dwell);
+
+ /* Set txpower levels to defaults */
+ scan_ch->dsp_atten = 110;
+
+ /* NOTE: if we were doing 6Mb OFDM for scans we'd use
+ * power level:
+ * scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3;
+ */
+ if (priv->hw_roc_channel->band == IEEE80211_BAND_5GHZ)
+ scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
+ else
+ scan_ch->tx_gain = ((1 << 5) | (5 << 3));
+
+ scan_ch++;
}
+ }
+
+ break;
}
- return passive;
+ if (scan->channel_count == 0) {
+ IWL_DEBUG_SCAN(priv, "channel count %d\n", scan->channel_count);
+ return -EIO;
+ }
+
+ cmd.len[0] += le16_to_cpu(scan->tx_cmd.len) +
+ scan->channel_count * sizeof(struct iwl_scan_channel);
+ cmd.data[0] = scan;
+ cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
+ scan->len = cpu_to_le16(cmd.len[0]);
+
+ /* set scan bit here for PAN params */
+ set_bit(STATUS_SCAN_HW, &priv->shrd->status);
+
+ ret = iwlagn_set_pan_params(priv);
+ if (ret)
+ return ret;
+
+ ret = iwl_trans_send_cmd(trans(priv), &cmd);
+ if (ret) {
+ clear_bit(STATUS_SCAN_HW, &priv->shrd->status);
+ iwlagn_set_pan_params(priv);
+ }
+
+ return ret;
}
void iwl_init_scan_params(struct iwl_priv *priv)
int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
struct iwl_cfg *cfg);
void __devexit iwl_remove(struct iwl_priv * priv);
+struct iwl_device_cmd;
+int __must_check iwl_rx_dispatch(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
-void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
int iwlagn_hw_valid_rtc_data_addr(u32 addr);
void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv,
enum iwl_rxon_context_id ctx,
static int iwl_process_add_sta_resp(struct iwl_priv *priv,
struct iwl_addsta_cmd *addsta,
- struct iwl_rx_packet *pkt,
- bool sync)
+ struct iwl_rx_packet *pkt)
{
u8 sta_id = addsta->sta.sta_id;
unsigned long flags;
return ret;
}
-static void iwl_add_sta_callback(struct iwl_shared *shrd,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt)
+int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_addsta_cmd *addsta =
- (struct iwl_addsta_cmd *)cmd->cmd.payload;
-
- iwl_process_add_sta_resp(shrd->priv, addsta, pkt, false);
+ (struct iwl_addsta_cmd *) cmd->payload;
+ return iwl_process_add_sta_resp(priv, addsta, pkt);
}
static u16 iwlagn_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
int iwl_send_add_sta(struct iwl_priv *priv,
struct iwl_addsta_cmd *sta, u8 flags)
{
- struct iwl_rx_packet *pkt = NULL;
int ret = 0;
u8 data[sizeof(*sta)];
struct iwl_host_cmd cmd = {
IWL_DEBUG_INFO(priv, "Adding sta %u (%pM) %ssynchronously\n",
sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : "");
- if (flags & CMD_ASYNC)
- cmd.callback = iwl_add_sta_callback;
- else {
+ if (!(flags & CMD_ASYNC)) {
cmd.flags |= CMD_WANT_SKB;
might_sleep();
}
if (ret || (flags & CMD_ASYNC))
return ret;
+ /*else the command was successfully sent in SYNC mode, need to free
+ * the reply page */
- if (ret == 0) {
- pkt = (struct iwl_rx_packet *)cmd.reply_page;
- ret = iwl_process_add_sta_resp(priv, sta, pkt, true);
- }
iwl_free_pages(priv->shrd, cmd.reply_page);
- return ret;
+ if (cmd.handler_status)
+ IWL_ERR(priv, "%s - error in the CMD response %d", __func__,
+ cmd.handler_status);
+
+ return cmd.handler_status;
}
static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
station->ctxid = ctx->ctxid;
if (sta) {
- struct iwl_station_priv_common *sta_priv;
+ struct iwl_station_priv *sta_priv;
sta_priv = (void *)sta->drv_priv;
sta_priv->ctx = ctx;
struct ieee80211_sta *sta)
{
struct iwl_priv *priv = hw->priv;
- struct iwl_station_priv_common *sta_common = (void *)sta->drv_priv;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
int ret;
IWL_DEBUG_INFO(priv, "received request to remove station %pM\n",
mutex_lock(&priv->shrd->mutex);
IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n",
sta->addr);
- ret = iwl_remove_station(priv, sta_common->sta_id, sta->addr);
+ ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr);
if (ret)
IWL_ERR(priv, "Error removing station %pM\n",
sta->addr);
int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
struct iwl_link_quality_cmd *lq, u8 flags, bool init);
void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ struct iwl_device_cmd *cmd);
+
/**
* iwl_clear_driver_stations - clear knowledge of all stations from driver
if (WARN_ON(!sta))
return IWL_INVALID_STATION;
- return ((struct iwl_station_priv_common *)sta->drv_priv)->sta_id;
+ return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
}
/**
struct iwl_cmd_meta {
/* only for SYNC commands, iff the reply skb is wanted */
struct iwl_host_cmd *source;
- /*
- * only for ASYNC commands
- * (which is somewhat stupid -- look at iwl-sta.c for instance
- * which duplicates a bunch of code because the callback isn't
- * invoked for SYNC commands, if it were and its result passed
- * through it would be simpler...)
- */
- void (*callback)(struct iwl_shared *shrd,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt);
u32 flags;
dma_addr_t addr, u16 len, u8 reset);
int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id);
int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
-int __must_check iwl_trans_pcie_send_cmd_pdu(struct iwl_trans *trans, u8 id,
- u32 flags, u16 len, const void *data);
void iwl_tx_cmd_complete(struct iwl_trans *trans,
- struct iwl_rx_mem_buffer *rxb);
+ struct iwl_rx_mem_buffer *rxb, int handler_status);
void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
u16 byte_cnt);
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue];
+ struct iwl_device_cmd *cmd;
u32 r, i;
int reclaim;
unsigned long flags;
u8 fill_rx = 0;
u32 count = 8;
int total_empty;
+ int index, cmd_index;
/* uCode's read index (stored in shared DRAM) indicates the last Rx
* buffer that the driver may process (last buffer filled by ucode). */
fill_rx = 1;
while (i != r) {
- int len;
+ int len, err;
u16 txq_id, sequence;
rxb = rxq->queue[i];
(pkt->hdr.cmd != REPLY_TX);
sequence = le16_to_cpu(pkt->hdr.sequence);
- txq_id = SEQ_TO_QUEUE(le16_to_cpu(pkt->hdr.sequence));
+ index = SEQ_TO_INDEX(sequence);
+ cmd_index = get_cmd_index(&txq->q, index);
+
+ if (reclaim)
+ cmd = txq->cmd[cmd_index];
+ else
+ cmd = NULL;
/* warn if this is cmd response / notification and the uCode
* didn't set the SEQ_RX_FRAME for a frame that is
"reclaim is false, SEQ_RX_FRAME unset: %s\n",
get_cmd_string(pkt->hdr.cmd));
- iwl_rx_dispatch(priv(trans), rxb);
+ err = iwl_rx_dispatch(priv(trans), rxb, cmd);
/*
* XXX: After here, we should always check rxb->page
* iwl_trans_send_cmd()
* as we reclaim the driver command queue */
if (rxb->page)
- iwl_tx_cmd_complete(trans, rxb);
+ iwl_tx_cmd_complete(trans, rxb, err);
else
IWL_WARN(trans, "Claim null rxb?\n");
}
u8 sta_id = 0;
u16 len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
__le16 bc_ent;
+ struct iwl_tx_cmd *tx_cmd =
+ (struct iwl_tx_cmd *) txq->cmd[txq->q.write_ptr]->payload;
scd_bc_tbl = trans_pcie->scd_bc_tbls.addr;
WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
- sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
- sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
+ sta_id = tx_cmd->sta_id;
+ sec_ctl = tx_cmd->sec_ctl;
switch (sec_ctl & TX_CMD_SEC_MSK) {
case TX_CMD_SEC_CCM:
int read_ptr = txq->q.read_ptr;
u8 sta_id = 0;
__le16 bc_ent;
+ struct iwl_tx_cmd *tx_cmd =
+ (struct iwl_tx_cmd *) txq->cmd[txq->q.read_ptr]->payload;
WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
if (txq_id != trans->shrd->cmd_queue)
- sta_id = txq->cmd[read_ptr]->cmd.tx.sta_id;
+ sta_id = tx_cmd->sta_id;
bc_ent = cpu_to_le16(1 | (sta_id << 12));
scd_bc_tbl[txq_id].tfd_offset[read_ptr] = bc_ent;
memset(out_meta, 0, sizeof(*out_meta)); /* re-initialize to NULL */
if (cmd->flags & CMD_WANT_SKB)
out_meta->source = cmd;
- if (cmd->flags & CMD_ASYNC)
- out_meta->callback = cmd->callback;
/* set up the header */
/* and copy the data that needs to be copied */
- cmd_dest = &out_cmd->cmd.payload[0];
+ cmd_dest = out_cmd->payload;
for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
if (!cmd->len[i])
continue;
/**
* iwl_tx_cmd_complete - Pull unused buffers off the queue and reclaim them
* @rxb: Rx buffer to reclaim
+ * @handler_status: return value of the handler of the command
+ * (put in setup_rx_handlers)
*
* If an Rx buffer has an async callback associated with it the callback
* will be executed. The attached skb (if present) will only be freed
* if the callback returns 1
*/
-void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb)
+void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb,
+ int handler_status)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
/* Input error checking is done when commands are added to queue. */
if (meta->flags & CMD_WANT_SKB) {
meta->source->reply_page = (unsigned long)rxb_addr(rxb);
+ meta->source->handler_status = handler_status;
rxb->page = NULL;
- } else if (meta->callback)
- meta->callback(trans->shrd, cmd, pkt);
+ }
spin_lock_irqsave(&trans->hcmd_lock, flags);
#define HOST_COMPLETE_TIMEOUT (2 * HZ)
-static void iwl_generic_cmd_callback(struct iwl_shared *shrd,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt)
-{
- if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
- IWL_ERR(shrd->trans, "Bad return from %s (0x%08X)\n",
- get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
- return;
- }
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- switch (cmd->hdr.cmd) {
- case REPLY_TX_LINK_QUALITY_CMD:
- case SENSITIVITY_CMD:
- IWL_DEBUG_HC_DUMP(shrd->trans, "back from %s (0x%08X)\n",
- get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
- break;
- default:
- IWL_DEBUG_HC(shrd->trans, "back from %s (0x%08X)\n",
- get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
- }
-#endif
-}
-
static int iwl_send_cmd_async(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
int ret;
if (WARN_ON(cmd->flags & CMD_WANT_SKB))
return -EINVAL;
- /* Assign a generic callback if one is not provided */
- if (!cmd->callback)
- cmd->callback = iwl_generic_cmd_callback;
if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status))
return -EBUSY;
lockdep_assert_held(&trans->shrd->mutex);
- /* A synchronous command can not have a callback set. */
- if (WARN_ON(cmd->callback))
- return -EINVAL;
-
IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n",
get_cmd_string(cmd->id));
memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq));
spin_lock_init(&rxq->lock);
- INIT_LIST_HEAD(&rxq->rx_free);
- INIT_LIST_HEAD(&rxq->rx_used);
if (WARN_ON(rxq->bd || rxq->rb_stts))
return -EINVAL;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct iwl_tx_cmd *tx_cmd = &dev_cmd->cmd.tx;
+ struct iwl_tx_cmd *tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
struct iwl_cmd_meta *out_meta;
struct iwl_tx_queue *txq;
struct iwl_queue *q;
hdr->seq_ctrl |= cpu_to_le16(seq_number);
seq_number += 0x10;
/* aggregation is on for this <sta,tid> */
- if (info->flags & IEEE80211_TX_CTL_AMPDU &&
- tid_data->agg.state == IWL_AGG_ON) {
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ WARN_ON(tid_data->agg.state != IWL_AGG_ON);
txq_id = tid_data->agg.txq_id;
is_agg = true;
}
*/
struct iwl_device_cmd {
struct iwl_cmd_header hdr; /* uCode API */
- union {
- u32 flags;
- u8 val8;
- u16 val16;
- u32 val32;
- struct iwl_tx_cmd tx;
- struct iwl6000_channel_switch_cmd chswitch;
- u8 payload[DEF_CMD_PAYLOAD_SIZE];
- } __packed cmd;
+ u8 payload[DEF_CMD_PAYLOAD_SIZE];
} __packed;
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
* struct iwl_host_cmd - Host command to the uCode
* @data: array of chunks that composes the data of the host command
* @reply_page: pointer to the page that holds the response to the host command
+ * @handler_status: return value of the handler of the command
+ * (put in setup_rx_handlers) - valid for SYNC mode only
* @callback:
* @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC
* @len: array of the lenths of the chunks in data
struct iwl_host_cmd {
const void *data[IWL_MAX_CMD_TFDS];
unsigned long reply_page;
- void (*callback)(struct iwl_shared *shrd,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt);
+ int handler_status;
+
u32 flags;
u16 len[IWL_MAX_CMD_TFDS];
u8 dataflags[IWL_MAX_CMD_TFDS];
beacon_ie = kmemdup(bss->information_elements,
bss->len_beacon_ies, GFP_KERNEL);
if (!beacon_ie) {
+ kfree(bss_desc);
dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
return -ENOMEM;
}
ret = mwifiex_rate_ioctl_cfg(priv, rate);
if (!ret) {
- if (rate && rate->is_rate_auto)
+ if (rate->is_rate_auto)
rate->rate = mwifiex_index_to_data_rate(priv->tx_rate,
priv->tx_htinfo);
- else if (rate)
+ else
rate->rate = priv->data_rate;
} else {
ret = -1;
config NFC_WILINK
tristate "Texas Instruments NFC WiLink driver"
- depends on TI_ST
+ depends on TI_ST && NFC_NCI
help
This enables the NFC driver for Texas Instrument's BT/FM/GPS/NFC
combo devices. This makes use of shared transport line discipline
synchronize_rcu();
kfree(old_beacon);
- /* free all potentially still buffered bcast frames */
- while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
- local->total_ps_buffered--;
- dev_kfree_skb(skb);
- }
-
/* down all dependent devices, that is VLANs */
list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
u.vlan.list)
dev_close(vlan->dev);
WARN_ON(!list_empty(&sdata->u.ap.vlans));
+
+ /* free all potentially still buffered bcast frames */
+ local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps_bc_buf);
+ skb_queue_purge(&sdata->u.ap.ps_bc_buf);
}
if (going_down)
CLS_IGNR
};
+static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_self_protected_actioncode action,
+ u8 *da, __le16 llid, __le16 plid, __le16 reason);
+
static inline
void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
{
spin_lock_bh(&sta->lock);
deactivated = __mesh_plink_deactivate(sta);
+ sta->reason = cpu_to_le16(WLAN_REASON_MESH_PEER_CANCELED);
+ mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
+ sta->sta.addr, sta->llid, sta->plid,
+ sta->reason);
spin_unlock_bh(&sta->lock);
if (deactivated)
projects / lisovros / linux_canprio.git / commitdiff