aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c74
1 files changed, 38 insertions, 36 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index af735128333..f1f6dabd8fb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -394,7 +394,8 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
ht_info->ht_supported = true;
- ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
+ if (priv->cfg->ht_greenfield_support)
+ ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
(WLAN_HT_CAP_SM_PS_DISABLED << 2));
@@ -1513,7 +1514,7 @@ EXPORT_SYMBOL(iwl_irq_handle_error);
void iwl_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
- int mc_count, struct dev_addr_list *mc_list)
+ u64 multicast)
{
struct iwl_priv *priv = hw->priv;
__le32 *filter_flags = &priv->staging_rxon.filter_flags;
@@ -1579,6 +1580,12 @@ int iwl_setup_mac(struct iwl_priv *priv)
/* Firmware does not support this */
hw->wiphy->disable_beacon_hints = true;
+ /*
+ * For now, disable PS by default because it affects
+ * RX performance significantly.
+ */
+ hw->wiphy->ps_default = false;
+
hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
/* we create the 802.11 header and a zero-length SSID element */
hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
@@ -2293,10 +2300,11 @@ void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
- "notification for %s:\n",
- le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd));
- iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len));
+ "notification for %s:\n", len,
+ get_cmd_string(pkt->hdr.cmd));
+ iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, len);
}
EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif);
@@ -2391,39 +2399,10 @@ static void iwl_ht_conf(struct iwl_priv *priv,
}
ht_conf = &sta->ht_cap;
- if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
- iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
- if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
- iwl_conf->sgf |= HT_SHORT_GI_40MHZ;
-
- iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
- iwl_conf->max_amsdu_size =
- !!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU);
-
- iwl_conf->supported_chan_width =
- !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
-
- /*
- * XXX: The HT configuration needs to be moved into iwl_mac_config()
- * to be done there correctly.
- */
-
- iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
- if (conf_is_ht40_minus(&priv->hw->conf))
- iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- else if (conf_is_ht40_plus(&priv->hw->conf))
- iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-
- /* If no above or below channel supplied disable HT40 channel */
- if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE &&
- iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW)
- iwl_conf->supported_chan_width = 0;
-
iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
- iwl_conf->tx_chan_width = iwl_conf->supported_chan_width != 0;
iwl_conf->ht_protection =
bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
iwl_conf->non_GF_STA_present =
@@ -2736,6 +2715,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
struct iwl_priv *priv = hw->priv;
const struct iwl_channel_info *ch_info;
struct ieee80211_conf *conf = &hw->conf;
+ struct iwl_ht_info *ht_conf = &priv->current_ht_config;
unsigned long flags = 0;
int ret = 0;
u16 ch;
@@ -2777,10 +2757,32 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
goto set_ch_out;
}
- priv->current_ht_config.is_ht = conf_is_ht(conf);
-
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->supported_chan_width =
+ IWL_CHANNEL_WIDTH_40MHZ;
+ } else if (conf_is_ht40_plus(conf)) {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ht_conf->supported_chan_width =
+ IWL_CHANNEL_WIDTH_40MHZ;
+ } else {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ht_conf->supported_chan_width =
+ IWL_CHANNEL_WIDTH_20MHZ;
+ }
+ } else
+ ht_conf->supported_chan_width = IWL_CHANNEL_WIDTH_20MHZ;
+ /* 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;
/* if we are switching from ht to 2.4 clear flags
* from any ht related info since 2.4 does not