#ifdef CONFIG_IWL4965_HT
-static u8 iwl4965_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;
-
- if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE)
- return 0;
-
- if ((ch_info->fat_extension_channel == extension_chan_offset) ||
- (ch_info->fat_extension_channel == HT_IE_EXT_CHANNEL_MAX))
- return 1;
-
- return 0;
-}
-
-static u8 iwl4965_is_fat_tx_allowed(struct iwl_priv *priv,
- struct ieee80211_ht_info *sta_ht_inf)
-{
- struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config;
-
- if ((!iwl_ht_conf->is_ht) ||
- (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) ||
- (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE))
- return 0;
-
- if (sta_ht_inf) {
- if ((!sta_ht_inf->ht_supported) ||
- (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH)))
- return 0;
- }
-
- return (iwl4965_is_channel_extension(priv, priv->band,
- iwl_ht_conf->control_channel,
- iwl_ht_conf->extension_chan_offset));
-}
-
-void iwl4965_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
-{
- struct iwl4965_rxon_cmd *rxon = &priv->staging_rxon;
- u32 val;
-
- if (!ht_info->is_ht)
- return;
-
- /* Set up channel bandwidth: 20 MHz only, or 20/40 mixed if fat ok */
- if (iwl4965_is_fat_tx_allowed(priv, NULL))
- rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED_MSK;
- else
- rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
- RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
-
- if (le16_to_cpu(rxon->channel) != ht_info->control_channel) {
- IWL_ERROR("control diff than current %d %d\n",
- le16_to_cpu(rxon->channel),
- ht_info->control_channel);
- WARN_ON(1);
- return;
- }
-
- /* Note: control channel is opposite of extension channel */
- switch (ht_info->extension_chan_offset) {
- case IWL_EXT_CHANNEL_OFFSET_ABOVE:
- rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
- break;
- case IWL_EXT_CHANNEL_OFFSET_BELOW:
- rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
- break;
- case IWL_EXT_CHANNEL_OFFSET_NONE:
- default:
- rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
- break;
- }
-
- val = ht_info->ht_protection;
-
- rxon->flags |= cpu_to_le32(val << RXON_FLG_HT_OPERATING_MODE_POS);
-
- iwl_set_rxon_chain(priv);
-
- IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%X "
- "rxon flags 0x%X operation mode :0x%X "
- "extension channel offset 0x%x "
- "control chan %d\n",
- ht_info->supp_mcs_set[0],
- ht_info->supp_mcs_set[1],
- ht_info->supp_mcs_set[2],
- le32_to_cpu(rxon->flags), ht_info->ht_protection,
- ht_info->extension_chan_offset,
- ht_info->control_channel);
- return;
-}
-
void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
struct ieee80211_ht_info *sta_ht_inf)
{
sta_flags |= cpu_to_le32(
(u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
- if (iwl4965_is_fat_tx_allowed(priv, sta_ht_inf))
+ if (iwl_is_fat_tx_allowed(priv, sta_ht_inf))
sta_flags |= STA_FLG_FAT_EN_MSK;
else
sta_flags &= ~STA_FLG_FAT_EN_MSK;