*
* default: bt_coex_active = true (BT_COEX_ENABLE)
*/
-static bool bt_coex_active = true;
+bool bt_coex_active = true;
+EXPORT_SYMBOL_GPL(bt_coex_active);
module_param(bt_coex_active, bool, S_IRUGO);
MODULE_PARM_DESC(bt_coex_active, "enable wifi/bluetooth co-exist");
int i;
u8 ind = ant;
+ if (priv->band == IEEE80211_BAND_2GHZ &&
+ priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)
+ return 0;
+
for (i = 0; i < RATE_ANT_NUM - 1; i++) {
ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
if (valid & BIT(ind))
}
EXPORT_SYMBOL(iwl_alloc_all);
-void iwl_hw_detect(struct iwl_priv *priv)
-{
- priv->hw_rev = _iwl_read32(priv, CSR_HW_REV);
- priv->hw_wa_rev = _iwl_read32(priv, CSR_HW_REV_WA_REG);
- pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id);
-}
-EXPORT_SYMBOL(iwl_hw_detect);
-
/*
* QoS support
*/
-static void iwl_update_qos(struct iwl_priv *priv)
+static void iwl_update_qos(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
- priv->qos_data.def_qos_parm.qos_flags = 0;
+ if (!ctx->is_active)
+ return;
+
+ ctx->qos_data.def_qos_parm.qos_flags = 0;
- if (priv->qos_data.qos_active)
- priv->qos_data.def_qos_parm.qos_flags |=
+ if (ctx->qos_data.qos_active)
+ ctx->qos_data.def_qos_parm.qos_flags |=
QOS_PARAM_FLG_UPDATE_EDCA_MSK;
- if (priv->current_ht_config.is_ht)
- priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
+ if (ctx->ht.enabled)
+ ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
- priv->qos_data.qos_active,
- priv->qos_data.def_qos_parm.qos_flags);
+ ctx->qos_data.qos_active,
+ ctx->qos_data.def_qos_parm.qos_flags);
- iwl_send_cmd_pdu_async(priv, REPLY_QOS_PARAM,
+ iwl_send_cmd_pdu_async(priv, ctx->qos_cmd,
sizeof(struct iwl_qosparam_cmd),
- &priv->qos_data.def_qos_parm, NULL);
+ &ctx->qos_data.def_qos_parm, NULL);
}
#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
+ if (priv->cfg->ampdu_factor)
+ ht_info->ampdu_factor = priv->cfg->ampdu_factor;
ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
+ if (priv->cfg->ampdu_density)
+ ht_info->ampdu_density = priv->cfg->ampdu_density;
ht_info->mcs.rx_mask[0] = 0xFF;
if (rx_chains_num >= 2)
priv->current_ht_config.single_chain_sufficient;
}
-static u8 iwl_is_channel_extension(struct iwl_priv *priv,
- enum ieee80211_band band,
- u16 channel, u8 extension_chan_offset)
+static bool iwl_is_channel_extension(struct iwl_priv *priv,
+ enum ieee80211_band band,
+ u16 channel, u8 extension_chan_offset)
{
const struct iwl_channel_info *ch_info;
ch_info = iwl_get_channel_info(priv, band, channel);
if (!is_channel_valid(ch_info))
- return 0;
+ return false;
if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
return !(ch_info->ht40_extension_channel &
return !(ch_info->ht40_extension_channel &
IEEE80211_CHAN_NO_HT40MINUS);
- return 0;
+ return false;
}
-u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
- struct ieee80211_sta_ht_cap *sta_ht_inf)
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
+ struct ieee80211_sta_ht_cap *ht_cap)
{
- struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-
- if (!ht_conf->is_ht || !ht_conf->is_40mhz)
- return 0;
+ if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
+ return false;
- /* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
+ /*
+ * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
* the bit will not set if it is pure 40MHz case
*/
- if (sta_ht_inf) {
- if (!sta_ht_inf->ht_supported)
- return 0;
- }
+ if (ht_cap && !ht_cap->ht_supported)
+ return false;
+
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (priv->disable_ht40)
- return 0;
+ return false;
#endif
+
return iwl_is_channel_extension(priv, priv->band,
- le16_to_cpu(priv->staging_rxon.channel),
- ht_conf->extension_chan_offset);
+ le16_to_cpu(ctx->staging.channel),
+ ctx->ht.extension_chan_offset);
}
EXPORT_SYMBOL(iwl_is_ht40_tx_allowed);
static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
{
- u16 new_val = 0;
- u16 beacon_factor = 0;
+ u16 new_val;
+ u16 beacon_factor;
+
+ /*
+ * If mac80211 hasn't given us a beacon interval, program
+ * the default into the device (not checking this here
+ * would cause the adjustment below to return the maximum
+ * value, which may break PAN.)
+ */
+ if (!beacon_val)
+ return DEFAULT_BEACON_INTERVAL;
+
+ /*
+ * If the beacon interval we obtained from the peer
+ * is too large, we'll have to wake up more often
+ * (and in IBSS case, we'll beacon too much)
+ *
+ * For example, if max_beacon_val is 4096, and the
+ * requested beacon interval is 7000, we'll have to
+ * use 3500 to be able to wake up on the beacons.
+ *
+ * This could badly influence beacon detection stats.
+ */
beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
new_val = beacon_val / beacon_factor;
return new_val;
}
-void iwl_setup_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
+int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
u64 tsf;
s32 interval_tm, rem;
- unsigned long flags;
struct ieee80211_conf *conf = NULL;
u16 beacon_int;
+ struct ieee80211_vif *vif = ctx->vif;
conf = ieee80211_get_hw_conf(priv->hw);
- spin_lock_irqsave(&priv->lock, flags);
- priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp);
- priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval);
+ lockdep_assert_held(&priv->mutex);
- beacon_int = vif->bss_conf.beacon_int;
+ memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
- if (vif->type == NL80211_IFTYPE_ADHOC) {
- /* TODO: we need to get atim_window from upper stack
- * for now we set to 0 */
- priv->rxon_timing.atim_window = 0;
- } else {
- priv->rxon_timing.atim_window = 0;
- }
+ ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
+ ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
- beacon_int = iwl_adjust_beacon_interval(beacon_int,
+ beacon_int = vif ? vif->bss_conf.beacon_int : 0;
+
+ /*
+ * TODO: For IBSS we need to get atim_window from mac80211,
+ * for now just always use 0
+ */
+ ctx->timing.atim_window = 0;
+
+ if (ctx->ctxid == IWL_RXON_CTX_PAN &&
+ (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
+ iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
+ priv->contexts[IWL_RXON_CTX_BSS].vif &&
+ priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
+ ctx->timing.beacon_interval =
+ priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
+ beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+ } else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
+ iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
+ priv->contexts[IWL_RXON_CTX_PAN].vif &&
+ priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
+ (!iwl_is_associated_ctx(ctx) || !ctx->vif ||
+ !ctx->vif->bss_conf.beacon_int)) {
+ ctx->timing.beacon_interval =
+ priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
+ beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+ } else {
+ beacon_int = iwl_adjust_beacon_interval(beacon_int,
priv->hw_params.max_beacon_itrvl * TIME_UNIT);
- priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int);
+ ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
+ }
tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
interval_tm = beacon_int * TIME_UNIT;
rem = do_div(tsf, interval_tm);
- priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+ ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+
+ ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
- spin_unlock_irqrestore(&priv->lock, flags);
IWL_DEBUG_ASSOC(priv,
"beacon interval %d beacon timer %d beacon tim %d\n",
- le16_to_cpu(priv->rxon_timing.beacon_interval),
- le32_to_cpu(priv->rxon_timing.beacon_init_val),
- le16_to_cpu(priv->rxon_timing.atim_window));
+ le16_to_cpu(ctx->timing.beacon_interval),
+ le32_to_cpu(ctx->timing.beacon_init_val),
+ le16_to_cpu(ctx->timing.atim_window));
+
+ return iwl_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
+ sizeof(ctx->timing), &ctx->timing);
}
-EXPORT_SYMBOL(iwl_setup_rxon_timing);
+EXPORT_SYMBOL(iwl_send_rxon_timing);
-void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt)
+void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+ int hw_decrypt)
{
- struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
if (hw_decrypt)
rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
* be #ifdef'd out once the driver is stable and folks aren't actively
* making changes
*/
-int iwl_check_rxon_cmd(struct iwl_priv *priv)
+int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
int error = 0;
int counter = 1;
- struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
error |= le32_to_cpu(rxon->flags &
* or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
* a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
*/
-int iwl_full_rxon_required(struct iwl_priv *priv)
+int iwl_full_rxon_required(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
{
+ const struct iwl_rxon_cmd *staging = &ctx->staging;
+ const struct iwl_rxon_cmd *active = &ctx->active;
+
+#define CHK(cond) \
+ if ((cond)) { \
+ IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n"); \
+ return 1; \
+ }
+
+#define CHK_NEQ(c1, c2) \
+ if ((c1) != (c2)) { \
+ IWL_DEBUG_INFO(priv, "need full RXON - " \
+ #c1 " != " #c2 " - %d != %d\n", \
+ (c1), (c2)); \
+ return 1; \
+ }
/* These items are only settable from the full RXON command */
- if (!(iwl_is_associated(priv)) ||
- compare_ether_addr(priv->staging_rxon.bssid_addr,
- priv->active_rxon.bssid_addr) ||
- compare_ether_addr(priv->staging_rxon.node_addr,
- priv->active_rxon.node_addr) ||
- compare_ether_addr(priv->staging_rxon.wlap_bssid_addr,
- priv->active_rxon.wlap_bssid_addr) ||
- (priv->staging_rxon.dev_type != priv->active_rxon.dev_type) ||
- (priv->staging_rxon.channel != priv->active_rxon.channel) ||
- (priv->staging_rxon.air_propagation !=
- priv->active_rxon.air_propagation) ||
- (priv->staging_rxon.ofdm_ht_single_stream_basic_rates !=
- priv->active_rxon.ofdm_ht_single_stream_basic_rates) ||
- (priv->staging_rxon.ofdm_ht_dual_stream_basic_rates !=
- priv->active_rxon.ofdm_ht_dual_stream_basic_rates) ||
- (priv->staging_rxon.ofdm_ht_triple_stream_basic_rates !=
- priv->active_rxon.ofdm_ht_triple_stream_basic_rates) ||
- (priv->staging_rxon.assoc_id != priv->active_rxon.assoc_id))
- return 1;
+ CHK(!iwl_is_associated_ctx(ctx));
+ CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
+ CHK(compare_ether_addr(staging->node_addr, active->node_addr));
+ CHK(compare_ether_addr(staging->wlap_bssid_addr,
+ active->wlap_bssid_addr));
+ CHK_NEQ(staging->dev_type, active->dev_type);
+ CHK_NEQ(staging->channel, active->channel);
+ CHK_NEQ(staging->air_propagation, active->air_propagation);
+ CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
+ active->ofdm_ht_single_stream_basic_rates);
+ CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
+ active->ofdm_ht_dual_stream_basic_rates);
+ CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
+ active->ofdm_ht_triple_stream_basic_rates);
+ CHK_NEQ(staging->assoc_id, active->assoc_id);
/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
* be updated with the RXON_ASSOC command -- however only some
* flag transitions are allowed using RXON_ASSOC */
/* Check if we are not switching bands */
- if ((priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) !=
- (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK))
- return 1;
+ CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
+ active->flags & RXON_FLG_BAND_24G_MSK);
/* Check if we are switching association toggle */
- if ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) !=
- (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK))
- return 1;
+ CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
+ active->filter_flags & RXON_FILTER_ASSOC_MSK);
+
+#undef CHK
+#undef CHK_NEQ
return 0;
}
EXPORT_SYMBOL(iwl_full_rxon_required);
-u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv)
+u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
{
/*
* Assign the lowest rate -- should really get this from
* the beacon skb from mac80211.
*/
- if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
+ if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK)
return IWL_RATE_1M_PLCP;
else
return IWL_RATE_6M_PLCP;
}
EXPORT_SYMBOL(iwl_rate_get_lowest_plcp);
-void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
+static void _iwl_set_rxon_ht(struct iwl_priv *priv,
+ struct iwl_ht_config *ht_conf,
+ struct iwl_rxon_context *ctx)
{
- struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
- if (!ht_conf->is_ht) {
+ if (!ctx->ht.enabled) {
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
RXON_FLG_HT40_PROT_MSK |
return;
}
- /* FIXME: if the definition of ht_protection changed, the "translation"
+ /* FIXME: if the definition of ht.protection changed, the "translation"
* will be needed for rxon->flags
*/
- rxon->flags |= cpu_to_le32(ht_conf->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
+ rxon->flags |= cpu_to_le32(ctx->ht.protection << RXON_FLG_HT_OPERATING_MODE_POS);
/* Set up channel bandwidth:
* 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */
/* clear the HT channel mode before set the mode */
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
- if (iwl_is_ht40_tx_allowed(priv, NULL)) {
+ if (iwl_is_ht40_tx_allowed(priv, ctx, NULL)) {
/* pure ht40 */
- if (ht_conf->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
+ if (ctx->ht.protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
/* Note: control channel is opposite of extension channel */
- switch (ht_conf->extension_chan_offset) {
+ switch (ctx->ht.extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
break;
}
} else {
/* Note: control channel is opposite of extension channel */
- switch (ht_conf->extension_chan_offset) {
+ switch (ctx->ht.extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
}
if (priv->cfg->ops->hcmd->set_rxon_chain)
- priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X "
"extension channel offset 0x%x\n",
- le32_to_cpu(rxon->flags), ht_conf->ht_protection,
- ht_conf->extension_chan_offset);
+ le32_to_cpu(rxon->flags), ctx->ht.protection,
+ ctx->ht.extension_chan_offset);
+}
+
+void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
+{
+ struct iwl_rxon_context *ctx;
+
+ for_each_context(priv, ctx)
+ _iwl_set_rxon_ht(priv, ht_conf, ctx);
}
EXPORT_SYMBOL(iwl_set_rxon_ht);
*/
static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
{
+ if (priv->cfg->advanced_bt_coexist && (priv->bt_full_concurrent ||
+ priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) {
+ /*
+ * only use chain 'A' in bt high traffic load or
+ * full concurrency mode
+ */
+ return IWL_NUM_RX_CHAINS_SINGLE;
+ }
/* # of Rx chains to use when expecting MIMO. */
if (is_single_rx_stream(priv))
return IWL_NUM_RX_CHAINS_SINGLE;
* Selects how many and which Rx receivers/antennas/chains to use.
* This should not be used for scan command ... it puts data in wrong place.
*/
-void iwl_set_rxon_chain(struct iwl_priv *priv)
+void iwl_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
bool is_single = is_single_rx_stream(priv);
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
* Before first association, we assume all antennas are connected.
* Just after first association, iwl_chain_noise_calibration()
* checks which antennas actually *are* connected. */
- if (priv->chain_noise_data.active_chains)
+ if (priv->chain_noise_data.active_chains)
active_chains = priv->chain_noise_data.active_chains;
else
active_chains = priv->hw_params.valid_rx_ant;
+ if (priv->cfg->advanced_bt_coexist && (priv->bt_full_concurrent ||
+ priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) {
+ /*
+ * only use chain 'A' in bt high traffic load or
+ * full concurrency mode
+ */
+ active_chains = first_antenna(active_chains);
+ }
+
rx_chain = active_chains << RXON_RX_CHAIN_VALID_POS;
/* How many receivers should we use? */
rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS;
rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS;
- priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain);
+ ctx->staging.rx_chain = cpu_to_le16(rx_chain);
if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam)
- priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
+ ctx->staging.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
else
- priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
+ ctx->staging.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
IWL_DEBUG_ASSOC(priv, "rx_chain=0x%X active=%d idle=%d\n",
- priv->staging_rxon.rx_chain,
+ ctx->staging.rx_chain,
active_rx_cnt, idle_rx_cnt);
WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 ||
}
EXPORT_SYMBOL(iwl_set_rxon_chain);
-/* Return valid channel */
+/* Return valid, unused, channel for a passive scan to reset the RF */
u8 iwl_get_single_channel_number(struct iwl_priv *priv,
- enum ieee80211_band band)
+ enum ieee80211_band band)
{
const struct iwl_channel_info *ch_info;
int i;
u8 channel = 0;
+ u8 min, max;
+ struct iwl_rxon_context *ctx;
- /* only scan single channel, good enough to reset the RF */
- /* pick the first valid not in-use channel */
if (band == IEEE80211_BAND_5GHZ) {
- for (i = 14; i < priv->channel_count; i++) {
- if (priv->channel_info[i].channel !=
- le16_to_cpu(priv->staging_rxon.channel)) {
- channel = priv->channel_info[i].channel;
- ch_info = iwl_get_channel_info(priv,
- band, channel);
- if (is_channel_valid(ch_info))
- break;
- }
- }
+ min = 14;
+ max = priv->channel_count;
} else {
- for (i = 0; i < 14; i++) {
- if (priv->channel_info[i].channel !=
- le16_to_cpu(priv->staging_rxon.channel)) {
- channel =
- priv->channel_info[i].channel;
- ch_info = iwl_get_channel_info(priv,
- band, channel);
- if (is_channel_valid(ch_info))
- break;
- }
+ min = 0;
+ max = 14;
+ }
+
+ for (i = min; i < max; i++) {
+ bool busy = false;
+
+ for_each_context(priv, ctx) {
+ busy = priv->channel_info[i].channel ==
+ le16_to_cpu(ctx->staging.channel);
+ if (busy)
+ break;
}
+
+ if (busy)
+ continue;
+
+ channel = priv->channel_info[i].channel;
+ ch_info = iwl_get_channel_info(priv, band, channel);
+ if (is_channel_valid(ch_info))
+ break;
}
return channel;
EXPORT_SYMBOL(iwl_get_single_channel_number);
/**
- * iwl_set_rxon_channel - Set the phymode and channel values in staging RXON
- * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz
- * @channel: Any channel valid for the requested phymode
+ * iwl_set_rxon_channel - Set the band and channel values in staging RXON
+ * @ch: requested channel as a pointer to struct ieee80211_channel
- * In addition to setting the staging RXON, priv->phymode is also set.
- *
* NOTE: Does not commit to the hardware; it sets appropriate bit fields
- * in the staging RXON flag structure based on the phymode
+ * in the staging RXON flag structure based on the ch->band
*/
-int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch)
+int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
+ struct iwl_rxon_context *ctx)
{
enum ieee80211_band band = ch->band;
- u16 channel = ieee80211_frequency_to_channel(ch->center_freq);
-
- if (!iwl_get_channel_info(priv, band, channel)) {
- IWL_DEBUG_INFO(priv, "Could not set channel to %d [%d]\n",
- channel, band);
- return -EINVAL;
- }
+ u16 channel = ch->hw_value;
- if ((le16_to_cpu(priv->staging_rxon.channel) == channel) &&
+ if ((le16_to_cpu(ctx->staging.channel) == channel) &&
(priv->band == band))
return 0;
- priv->staging_rxon.channel = cpu_to_le16(channel);
+ ctx->staging.channel = cpu_to_le16(channel);
if (band == IEEE80211_BAND_5GHZ)
- priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK;
+ ctx->staging.flags &= ~RXON_FLG_BAND_24G_MSK;
else
- priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
+ ctx->staging.flags |= RXON_FLG_BAND_24G_MSK;
priv->band = band;
EXPORT_SYMBOL(iwl_set_rxon_channel);
void iwl_set_flags_for_band(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
enum ieee80211_band band,
struct ieee80211_vif *vif)
{
if (band == IEEE80211_BAND_5GHZ) {
- priv->staging_rxon.flags &=
+ ctx->staging.flags &=
~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK
| RXON_FLG_CCK_MSK);
- priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
} else {
/* Copied from iwl_post_associate() */
if (vif && vif->bss_conf.use_short_slot)
- priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
else
- priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+ ctx->staging.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;
+ ctx->staging.flags |= RXON_FLG_BAND_24G_MSK;
+ ctx->staging.flags |= RXON_FLG_AUTO_DETECT_MSK;
+ ctx->staging.flags &= ~RXON_FLG_CCK_MSK;
}
}
EXPORT_SYMBOL(iwl_set_flags_for_band);
* initialize rxon structure with default values from eeprom
*/
void iwl_connection_init_rx_config(struct iwl_priv *priv,
- struct ieee80211_vif *vif)
+ struct iwl_rxon_context *ctx)
{
const struct iwl_channel_info *ch_info;
- enum nl80211_iftype type = NL80211_IFTYPE_STATION;
-
- if (vif)
- type = vif->type;
- memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
+ memset(&ctx->staging, 0, sizeof(ctx->staging));
- switch (type) {
+ if (!ctx->vif) {
+ ctx->staging.dev_type = ctx->unused_devtype;
+ } else switch (ctx->vif->type) {
case NL80211_IFTYPE_AP:
- priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
+ ctx->staging.dev_type = ctx->ap_devtype;
break;
case NL80211_IFTYPE_STATION:
- priv->staging_rxon.dev_type = RXON_DEV_TYPE_ESS;
- priv->staging_rxon.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
+ ctx->staging.dev_type = ctx->station_devtype;
+ ctx->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
break;
case NL80211_IFTYPE_ADHOC:
- priv->staging_rxon.dev_type = RXON_DEV_TYPE_IBSS;
- priv->staging_rxon.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
- priv->staging_rxon.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
+ ctx->staging.dev_type = ctx->ibss_devtype;
+ ctx->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
+ ctx->staging.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
RXON_FILTER_ACCEPT_GRP_MSK;
break;
default:
- IWL_ERR(priv, "Unsupported interface type %d\n", type);
+ IWL_ERR(priv, "Unsupported interface type %d\n",
+ ctx->vif->type);
break;
}
/* TODO: Figure out when short_preamble would be set and cache from
* that */
if (!hw_to_local(priv->hw)->short_preamble)
- priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
else
- priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+ ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
#endif
ch_info = iwl_get_channel_info(priv, priv->band,
- le16_to_cpu(priv->active_rxon.channel));
+ le16_to_cpu(ctx->active.channel));
if (!ch_info)
ch_info = &priv->channel_info[0];
- priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
+ ctx->staging.channel = cpu_to_le16(ch_info->channel);
priv->band = ch_info->band;
- iwl_set_flags_for_band(priv, priv->band, vif);
+ iwl_set_flags_for_band(priv, ctx, priv->band, ctx->vif);
- priv->staging_rxon.ofdm_basic_rates =
+ ctx->staging.ofdm_basic_rates =
(IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
- priv->staging_rxon.cck_basic_rates =
+ ctx->staging.cck_basic_rates =
(IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
/* clear both MIX and PURE40 mode flag */
- priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED |
+ ctx->staging.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED |
RXON_FLG_CHANNEL_MODE_PURE_40);
+ if (ctx->vif)
+ memcpy(ctx->staging.node_addr, ctx->vif->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;
+ ctx->staging.ofdm_ht_single_stream_basic_rates = 0xff;
+ ctx->staging.ofdm_ht_dual_stream_basic_rates = 0xff;
+ ctx->staging.ofdm_ht_triple_stream_basic_rates = 0xff;
}
EXPORT_SYMBOL(iwl_connection_init_rx_config);
{
const struct ieee80211_supported_band *hw = NULL;
struct ieee80211_rate *rate;
+ struct iwl_rxon_context *ctx;
int i;
hw = iwl_get_hw_mode(priv, priv->band);
IWL_DEBUG_RATE(priv, "Set active_rate = %0x\n", priv->active_rate);
- priv->staging_rxon.cck_basic_rates =
- (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
+ for_each_context(priv, ctx) {
+ ctx->staging.cck_basic_rates =
+ (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
- priv->staging_rxon.ofdm_basic_rates =
- (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+ ctx->staging.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)
{
+ /*
+ * MULTI-FIXME
+ * See iwl_mac_channel_switch.
+ */
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
if (priv->switch_rxon.switch_in_progress) {
- ieee80211_chswitch_done(priv->vif, is_success);
+ ieee80211_chswitch_done(ctx->vif, is_success);
mutex_lock(&priv->mutex);
priv->switch_rxon.switch_in_progress = false;
mutex_unlock(&priv->mutex);
void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
+ /*
+ * MULTI-FIXME
+ * See iwl_mac_channel_switch.
+ */
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+ struct iwl_rxon_cmd *rxon = (void *)&ctx->active;
if (priv->switch_rxon.switch_in_progress) {
if (!le32_to_cpu(csa->status) &&
(csa->channel == priv->switch_rxon.channel)) {
rxon->channel = csa->channel;
- priv->staging_rxon.channel = csa->channel;
+ ctx->staging.channel = csa->channel;
IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
le16_to_cpu(csa->channel));
iwl_chswitch_done(priv, true);
EXPORT_SYMBOL(iwl_rx_csa);
#ifdef CONFIG_IWLWIFI_DEBUG
-void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+void iwl_print_rx_config_cmd(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
{
- struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false);
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
- iwl_print_rx_config_cmd(priv);
+ iwl_print_rx_config_cmd(priv,
+ &priv->contexts[IWL_RXON_CTX_BSS]);
#endif
wake_up_interruptible(&priv->wait_command_queue);
EXPORT_SYMBOL(iwl_apm_init);
-int iwl_set_hw_params(struct iwl_priv *priv)
-{
- priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
- priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
- if (priv->cfg->mod_params->amsdu_size_8K)
- priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K);
- else
- priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K);
-
- priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
-
- if (priv->cfg->mod_params->disable_11n)
- priv->cfg->sku &= ~IWL_SKU_N;
-
- /* Device-specific setup */
- return priv->cfg->ops->lib->set_hw_params(priv);
-}
-EXPORT_SYMBOL(iwl_set_hw_params);
-
int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
{
int ret = 0;
}
EXPORT_SYMBOL(iwl_send_statistics_request);
-void iwl_rf_kill_ct_config(struct iwl_priv *priv)
-{
- struct iwl_ct_kill_config cmd;
- struct iwl_ct_kill_throttling_config adv_cmd;
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&priv->lock, flags);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
- spin_unlock_irqrestore(&priv->lock, flags);
- priv->thermal_throttle.ct_kill_toggle = false;
-
- if (priv->cfg->support_ct_kill_exit) {
- adv_cmd.critical_temperature_enter =
- cpu_to_le32(priv->hw_params.ct_kill_threshold);
- adv_cmd.critical_temperature_exit =
- cpu_to_le32(priv->hw_params.ct_kill_exit_threshold);
-
- ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
- sizeof(adv_cmd), &adv_cmd);
- if (ret)
- IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
- else
- IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
- "succeeded, "
- "critical temperature enter is %d,"
- "exit is %d\n",
- priv->hw_params.ct_kill_threshold,
- priv->hw_params.ct_kill_exit_threshold);
- } else {
- cmd.critical_temperature_R =
- cpu_to_le32(priv->hw_params.ct_kill_threshold);
-
- ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
- sizeof(cmd), &cmd);
- if (ret)
- IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
- else
- IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
- "succeeded, "
- "critical temperature is %d\n",
- priv->hw_params.ct_kill_threshold);
- }
-}
-EXPORT_SYMBOL(iwl_rf_kill_ct_config);
-
-
-/*
- * CARD_STATE_CMD
- *
- * Use: Sets the device's internal card state to enable, disable, or halt
- *
- * When in the 'enable' state the card operates as normal.
- * When in the 'disable' state, the card enters into a low power mode.
- * When in the 'halt' state, the card is shut down and must be fully
- * restarted to come back on.
- */
-int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag)
-{
- struct iwl_host_cmd cmd = {
- .id = REPLY_CARD_STATE_CMD,
- .len = sizeof(u32),
- .data = &flags,
- .flags = meta_flag,
- };
-
- return iwl_send_cmd(priv, &cmd);
-}
-
void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
const struct ieee80211_tx_queue_params *params)
{
struct iwl_priv *priv = hw->priv;
+ struct iwl_rxon_context *ctx;
unsigned long flags;
int q;
spin_lock_irqsave(&priv->lock, flags);
- priv->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min);
- priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
- priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
- priv->qos_data.def_qos_parm.ac[q].edca_txop =
- cpu_to_le16((params->txop * 32));
+ /*
+ * MULTI-FIXME
+ * This may need to be done per interface in nl80211/cfg80211/mac80211.
+ */
+ for_each_context(priv, ctx) {
+ ctx->qos_data.def_qos_parm.ac[q].cw_min =
+ cpu_to_le16(params->cw_min);
+ ctx->qos_data.def_qos_parm.ac[q].cw_max =
+ cpu_to_le16(params->cw_max);
+ ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
+ ctx->qos_data.def_qos_parm.ac[q].edca_txop =
+ cpu_to_le16((params->txop * 32));
- priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
+ ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;
+ }
spin_unlock_irqrestore(&priv->lock, flags);
}
EXPORT_SYMBOL(iwl_mac_conf_tx);
+int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw)
+{
+ struct iwl_priv *priv = hw->priv;
+
+ return priv->ibss_manager == IWL_IBSS_MANAGER;
+}
+EXPORT_SYMBOL_GPL(iwl_mac_tx_last_beacon);
+
static void iwl_ht_conf(struct iwl_priv *priv,
struct ieee80211_vif *vif)
{
struct iwl_ht_config *ht_conf = &priv->current_ht_config;
struct ieee80211_sta *sta;
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
IWL_DEBUG_MAC80211(priv, "enter:\n");
- if (!ht_conf->is_ht)
+ if (!ctx->ht.enabled)
return;
- ht_conf->ht_protection =
+ ctx->ht.protection =
bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
- ht_conf->non_GF_STA_present =
+ ctx->ht.non_gf_sta_present =
!!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
ht_conf->single_chain_sufficient = false;
IWL_DEBUG_MAC80211(priv, "leave\n");
}
-static inline void iwl_set_no_assoc(struct iwl_priv *priv)
+static inline void iwl_set_no_assoc(struct iwl_priv *priv,
+ struct ieee80211_vif *vif)
{
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
+
iwl_led_disassociate(priv);
/*
* inform the ucode that there is no longer an
* association and that no more packets should be
* sent
*/
- priv->staging_rxon.filter_flags &=
- ~RXON_FILTER_ASSOC_MSK;
- priv->staging_rxon.assoc_id = 0;
- iwlcore_commit_rxon(priv);
+ ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ ctx->staging.assoc_id = 0;
+ iwlcore_commit_rxon(priv, ctx);
}
static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
IWL_DEBUG_MAC80211(priv, "enter\n");
+ lockdep_assert_held(&priv->mutex);
+
+ if (!priv->beacon_ctx) {
+ IWL_ERR(priv, "update beacon but no beacon context!\n");
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+
if (!iwl_is_ready_rf(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
return -EIO;
IWL_DEBUG_MAC80211(priv, "leave\n");
spin_unlock_irqrestore(&priv->lock, flags);
- priv->cfg->ops->lib->post_associate(priv, priv->vif);
+ priv->cfg->ops->lib->post_associate(priv, priv->beacon_ctx->vif);
return 0;
}
u32 changes)
{
struct iwl_priv *priv = hw->priv;
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
int ret;
IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
- priv->qos_data.qos_active = bss_conf->qos;
- iwl_update_qos(priv);
+ ctx->qos_data.qos_active = bss_conf->qos;
+ iwl_update_qos(priv, ctx);
spin_unlock_irqrestore(&priv->lock, flags);
}
+ if (changes & BSS_CHANGED_BEACON_ENABLED) {
+ /*
+ * the add_interface code must make sure we only ever
+ * have a single interface that could be beaconing at
+ * any time.
+ */
+ if (vif->bss_conf.enable_beacon)
+ priv->beacon_ctx = ctx;
+ else
+ priv->beacon_ctx = NULL;
+ }
+
if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_AP) {
dev_kfree_skb(priv->ibss_beacon);
priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
}
- if (changes & BSS_CHANGED_BEACON_INT) {
- /* TODO: in AP mode, do something to make this take effect */
- }
+ if (changes & BSS_CHANGED_BEACON_INT && vif->type == NL80211_IFTYPE_AP)
+ iwl_send_rxon_timing(priv, ctx);
if (changes & BSS_CHANGED_BSSID) {
IWL_DEBUG_MAC80211(priv, "BSSID %pM\n", bss_conf->bssid);
/* mac80211 only sets assoc when in STATION mode */
if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) {
- memcpy(priv->staging_rxon.bssid_addr,
+ memcpy(ctx->staging.bssid_addr,
bss_conf->bssid, ETH_ALEN);
/* currently needed in a few places */
memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
} else {
- priv->staging_rxon.filter_flags &=
+ ctx->staging.filter_flags &=
~RXON_FILTER_ASSOC_MSK;
}
IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n",
bss_conf->use_short_preamble);
if (bss_conf->use_short_preamble)
- priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+ ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
else
- priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
}
if (changes & BSS_CHANGED_ERP_CTS_PROT) {
IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot);
if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
- priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
+ ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK;
else
- priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
+ ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
if (bss_conf->use_cts_prot)
- priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
+ ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
else
- priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
+ ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN;
}
if (changes & BSS_CHANGED_BASIC_RATES) {
* like this here:
*
if (A-band)
- priv->staging_rxon.ofdm_basic_rates =
+ ctx->staging.ofdm_basic_rates =
bss_conf->basic_rates;
else
- priv->staging_rxon.ofdm_basic_rates =
+ ctx->staging.ofdm_basic_rates =
bss_conf->basic_rates >> 4;
- priv->staging_rxon.cck_basic_rates =
+ ctx->staging.cck_basic_rates =
bss_conf->basic_rates & 0xF;
*/
}
iwl_ht_conf(priv, vif);
if (priv->cfg->ops->hcmd->set_rxon_chain)
- priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
}
if (changes & BSS_CHANGED_ASSOC) {
if (!iwl_is_rfkill(priv))
priv->cfg->ops->lib->post_associate(priv, vif);
} else
- iwl_set_no_assoc(priv);
+ iwl_set_no_assoc(priv, vif);
}
- if (changes && iwl_is_associated(priv) && bss_conf->aid) {
+ if (changes && iwl_is_associated_ctx(ctx) && bss_conf->aid) {
IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n",
changes);
- ret = iwl_send_rxon_assoc(priv);
+ ret = iwl_send_rxon_assoc(priv, ctx);
if (!ret) {
/* Sync active_rxon with latest change. */
- memcpy((void *)&priv->active_rxon,
- &priv->staging_rxon,
+ memcpy((void *)&ctx->active,
+ &ctx->staging,
sizeof(struct iwl_rxon_cmd));
}
}
if (changes & BSS_CHANGED_BEACON_ENABLED) {
if (vif->bss_conf.enable_beacon) {
- memcpy(priv->staging_rxon.bssid_addr,
+ memcpy(ctx->staging.bssid_addr,
bss_conf->bssid, ETH_ALEN);
memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
iwlcore_config_ap(priv, vif);
} else
- iwl_set_no_assoc(priv);
+ iwl_set_no_assoc(priv, vif);
}
if (changes & BSS_CHANGED_IBSS) {
bss_conf->bssid);
}
+ if (changes & BSS_CHANGED_IDLE &&
+ priv->cfg->ops->hcmd->set_pan_params) {
+ if (priv->cfg->ops->hcmd->set_pan_params(priv))
+ IWL_ERR(priv, "failed to update PAN params\n");
+ }
+
mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
- iwl_connection_init_rx_config(priv, vif);
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
+
+ iwl_connection_init_rx_config(priv, ctx);
if (priv->cfg->ops->hcmd->set_rxon_chain)
- priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
- return iwlcore_commit_rxon(priv);
+ return iwlcore_commit_rxon(priv, ctx);
}
int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
+ struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+ struct iwl_rxon_context *tmp, *ctx = NULL;
int err = 0;
IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n",
goto out;
}
- if (priv->vif) {
- IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
+ for_each_context(priv, tmp) {
+ u32 possible_modes =
+ tmp->interface_modes | tmp->exclusive_interface_modes;
+
+ if (tmp->vif) {
+ /* check if this busy context is exclusive */
+ if (tmp->exclusive_interface_modes &
+ BIT(tmp->vif->type)) {
+ err = -EINVAL;
+ goto out;
+ }
+ continue;
+ }
+
+ if (!(possible_modes & BIT(vif->type)))
+ continue;
+
+ /* have maybe usable context w/o interface */
+ ctx = tmp;
+ break;
+ }
+
+ if (!ctx) {
err = -EOPNOTSUPP;
goto out;
}
- priv->vif = vif;
+ vif_priv->ctx = ctx;
+ ctx->vif = vif;
+ /*
+ * This variable will be correct only when there's just
+ * a single context, but all code using it is for hardware
+ * that supports only one context.
+ */
priv->iw_mode = vif->type;
+ ctx->is_active = true;
+
err = iwl_set_mode(priv, vif);
- if (err)
+ if (err) {
+ if (!ctx->always_active)
+ ctx->is_active = false;
goto out_err;
+ }
+
+ if (priv->cfg->advanced_bt_coexist &&
+ vif->type == NL80211_IFTYPE_ADHOC) {
+ /*
+ * pretend to have high BT traffic as long as we
+ * are operating in IBSS mode, as this will cause
+ * the rate scaling etc. to behave as intended.
+ */
+ priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+ }
goto out;
out_err:
- priv->vif = NULL;
+ ctx->vif = NULL;
priv->iw_mode = NL80211_IFTYPE_STATION;
out:
mutex_unlock(&priv->mutex);
struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
- bool scan_completed = false;
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
IWL_DEBUG_MAC80211(priv, "enter\n");
mutex_lock(&priv->mutex);
- if (iwl_is_ready_rf(priv)) {
- iwl_scan_cancel_timeout(priv, 100);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwlcore_commit_rxon(priv);
- }
- if (priv->vif == vif) {
- priv->vif = NULL;
- if (priv->scan_vif == vif) {
- scan_completed = true;
- priv->scan_vif = NULL;
- priv->scan_request = NULL;
- }
- memset(priv->bssid, 0, ETH_ALEN);
+ WARN_ON(ctx->vif != vif);
+ ctx->vif = NULL;
+
+ if (priv->scan_vif == vif) {
+ iwl_scan_cancel_timeout(priv, 200);
+ iwl_force_scan_end(priv);
}
- mutex_unlock(&priv->mutex);
+ iwl_set_mode(priv, vif);
+
+ if (!ctx->always_active)
+ ctx->is_active = false;
+
+ /*
+ * When removing the IBSS interface, overwrite the
+ * BT traffic load with the stored one from the last
+ * notification, if any. If this is a device that
+ * doesn't implement this, this has no effect since
+ * both values are the same and zero.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC)
+ priv->bt_traffic_load = priv->notif_bt_traffic_load;
- if (scan_completed)
- ieee80211_scan_completed(priv->hw, true);
+ memset(priv->bssid, 0, ETH_ALEN);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
struct iwl_priv *priv = hw->priv;
const struct iwl_channel_info *ch_info;
struct ieee80211_conf *conf = &hw->conf;
+ struct ieee80211_channel *channel = conf->channel;
struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+ struct iwl_rxon_context *ctx;
unsigned long flags = 0;
int ret = 0;
u16 ch;
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n",
- conf->channel->hw_value, changed);
+ channel->hw_value, changed);
if (unlikely(!priv->cfg->mod_params->disable_hw_scan &&
test_bit(STATUS_SCANNING, &priv->status))) {
* configured.
*/
if (priv->cfg->ops->hcmd->set_rxon_chain)
- priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ for_each_context(priv, ctx)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
}
/* during scanning mac80211 will delay channel setting until
if (scan_active)
goto set_ch_out;
- ch = ieee80211_frequency_to_channel(conf->channel->center_freq);
- ch_info = iwl_get_channel_info(priv, conf->channel->band, ch);
+ ch = channel->hw_value;
+ ch_info = iwl_get_channel_info(priv, channel->band, ch);
if (!is_channel_valid(ch_info)) {
IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n");
ret = -EINVAL;
spin_lock_irqsave(&priv->lock, flags);
- /* 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;
- /* Default to no protection. Protection mode will later be set
- * from BSS config in iwl_ht_conf */
- ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+ for_each_context(priv, ctx) {
+ /* Configure HT40 channels */
+ ctx->ht.enabled = conf_is_ht(conf);
+ if (ctx->ht.enabled) {
+ if (conf_is_ht40_minus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ctx->ht.is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ctx->ht.is_40mhz = true;
+ } else {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ctx->ht.is_40mhz = false;
+ }
+ } else
+ ctx->ht.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;
+ /*
+ * Default to no protection. Protection mode will
+ * later be set from BSS config in iwl_ht_conf
+ */
+ ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+
+ /* 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(ctx->staging.channel) != ch))
+ ctx->staging.flags = 0;
- iwl_set_rxon_channel(priv, conf->channel);
- iwl_set_rxon_ht(priv, ht_conf);
+ iwl_set_rxon_channel(priv, channel, ctx);
+ iwl_set_rxon_ht(priv, ht_conf);
+
+ iwl_set_flags_for_band(priv, ctx, channel->band,
+ ctx->vif);
+ }
- iwl_set_flags_for_band(priv, conf->channel->band, priv->vif);
spin_unlock_irqrestore(&priv->lock, flags);
- if (priv->cfg->ops->lib->update_bcast_station)
- ret = priv->cfg->ops->lib->update_bcast_station(priv);
+ if (priv->cfg->ops->lib->update_bcast_stations)
+ ret = priv->cfg->ops->lib->update_bcast_stations(priv);
set_ch_out:
/* The list of supported rates and rate mask can be different
if (scan_active)
goto out;
- if (memcmp(&priv->active_rxon,
- &priv->staging_rxon, sizeof(priv->staging_rxon)))
- iwlcore_commit_rxon(priv);
- else
- IWL_DEBUG_INFO(priv, "Not re-sending same RXON configuration.\n");
-
+ for_each_context(priv, ctx) {
+ if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)))
+ iwlcore_commit_rxon(priv, ctx);
+ else
+ IWL_DEBUG_INFO(priv,
+ "Not re-sending same RXON configuration.\n");
+ }
out:
IWL_DEBUG_MAC80211(priv, "leave\n");
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;
+ /* IBSS can only be the IWL_RXON_CTX_BSS context */
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "enter\n");
spin_unlock_irqrestore(&priv->lock, flags);
+ iwl_scan_cancel_timeout(priv, 100);
if (!iwl_is_ready_rf(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
mutex_unlock(&priv->mutex);
/* we are restarting association process
* clear RXON_FILTER_ASSOC_MSK bit
*/
- iwl_scan_cancel_timeout(priv, 100);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwlcore_commit_rxon(priv);
+ ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ iwlcore_commit_rxon(priv, ctx);
iwl_set_rate(priv);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
- if (!iwl_is_associated(priv)) {
+ if (!iwl_is_any_associated(priv)) {
IWL_DEBUG_SCAN(priv, "force reset rejected: not associated\n");
return;
}
"queue %d, not read %d time\n",
q->id,
q->repeat_same_read_ptr);
- mod_timer(&priv->monitor_recover, jiffies +
- msecs_to_jiffies(IWL_ONE_HUNDRED_MSECS));
+ if (!priv->cfg->advanced_bt_coexist) {
+ mod_timer(&priv->monitor_recover,
+ jiffies + msecs_to_jiffies(
+ IWL_ONE_HUNDRED_MSECS));
+ return 1;
+ }
}
- return 1;
+ return 0;
} else {
q->last_read_ptr = q->read_ptr;
q->repeat_same_read_ptr = 0;
return;
/* monitor and check for stuck cmd queue */
- if (iwl_check_stuck_queue(priv, IWL_CMD_QUEUE_NUM))
+ if (iwl_check_stuck_queue(priv, priv->cmd_queue))
return;
/* monitor and check for other stuck queues */
- if (iwl_is_associated(priv)) {
+ if (iwl_is_any_associated(priv)) {
for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
/* skip as we already checked the command queue */
- if (cnt == IWL_CMD_QUEUE_NUM)
+ if (cnt == priv->cmd_queue)
continue;
if (iwl_check_stuck_queue(priv, cnt))
return;
}
}
- /*
- * Reschedule the timer to occur in
- * priv->cfg->monitor_recover_period
- */
- mod_timer(&priv->monitor_recover,
- jiffies + msecs_to_jiffies(priv->cfg->monitor_recover_period));
+ if (priv->cfg->monitor_recover_period) {
+ /*
+ * Reschedule the timer to occur in
+ * priv->cfg->monitor_recover_period
+ */
+ mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies(
+ priv->cfg->monitor_recover_period));
+ }
}
EXPORT_SYMBOL(iwl_bg_monitor_recover);
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff