From 8fb8803239debda77b90f7e4a5098067187d865e Mon Sep 17 00:00:00 2001 From: Ron Rindjunsky Date: Mon, 26 Nov 2007 16:14:38 +0200 Subject: [PATCH] iwlwifi: 802.11n handling probe request HT IE This patch conforms the probe request's HT IE with the new structures used in iwlwifi HT. Signed-off-by: Ron Rindjunsky Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl4965-base.c | 62 ++++++++++----------- 1 file changed, 28 insertions(+), 34 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index d88363e766c..c2366c2d23b 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -1875,8 +1875,8 @@ static u16 iwl4965_supported_rate_to_ie(u8 *ie, u16 supported_rate, #ifdef CONFIG_IWL4965_HT void static iwl4965_set_ht_capab(struct ieee80211_hw *hw, - struct ieee80211_ht_capability *ht_cap, - u8 use_wide_chan); + struct ieee80211_ht_cap *ht_cap, + u8 use_current_config); #endif /** @@ -1889,6 +1889,9 @@ static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv, int len = 0; u8 *pos = NULL; u16 active_rates, ret_rates, cck_rates, active_rate_basic; +#ifdef CONFIG_IWL4965_HT + struct ieee80211_hw_mode *mode; +#endif /* CONFIG_IWL4965_HT */ /* Make sure there is enough space for the probe request, * two mandatory IEs and the data */ @@ -1972,17 +1975,14 @@ static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv, len += 2 + *pos; #ifdef CONFIG_IWL4965_HT - if (is_direct && priv->is_ht_enabled) { - u8 use_wide_chan = 1; - - if (priv->channel_width != IWL_CHANNEL_WIDTH_40MHZ) - use_wide_chan = 0; + mode = priv->hw->conf.mode; + if (mode->ht_info.ht_supported) { pos += (*pos) + 1; *pos++ = WLAN_EID_HT_CAPABILITY; - *pos++ = sizeof(struct ieee80211_ht_capability); - iwl4965_set_ht_capab(NULL, (struct ieee80211_ht_capability *)pos, - use_wide_chan); - len += 2 + sizeof(struct ieee80211_ht_capability); + *pos++ = sizeof(struct ieee80211_ht_cap); + iwl4965_set_ht_capab(priv->hw, + (struct ieee80211_ht_cap *)pos, 0); + len += 2 + sizeof(struct ieee80211_ht_cap); } #endif /*CONFIG_IWL4965_HT */ @@ -8379,31 +8379,25 @@ static int iwl4965_mac_conf_ht(struct ieee80211_hw *hw, } static void iwl4965_set_ht_capab(struct ieee80211_hw *hw, - struct ieee80211_ht_capability *ht_cap, - u8 use_wide_chan) + struct ieee80211_ht_cap *ht_cap, + u8 use_current_config) { - union ht_cap_info cap; - union ht_param_info param_info; + struct ieee80211_conf *conf = &hw->conf; + struct ieee80211_hw_mode *mode = conf->mode; - memset(&cap, 0, sizeof(union ht_cap_info)); - memset(¶m_info, 0, sizeof(union ht_param_info)); - - cap.maximal_amsdu_size = HT_IE_MAX_AMSDU_SIZE_4K; - cap.green_field = 1; - cap.short_GI20 = 1; - cap.short_GI40 = 1; - cap.supported_chan_width_set = use_wide_chan; - cap.mimo_power_save_mode = 0x3; - - param_info.max_rx_ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; - param_info.mpdu_density = CFG_HT_MPDU_DENSITY_DEF; - ht_cap->capabilities_info = (__le16) cpu_to_le16(cap.val); - ht_cap->mac_ht_params_info = (u8) param_info.val; - - ht_cap->supported_mcs_set[0] = 0xff; - ht_cap->supported_mcs_set[1] = 0xff; - ht_cap->supported_mcs_set[4] = - (cap.supported_chan_width_set) ? 0x1: 0x0; + if (use_current_config) { + ht_cap->cap_info = cpu_to_le16(conf->ht_conf.cap); + memcpy(ht_cap->supp_mcs_set, + conf->ht_conf.supp_mcs_set, 16); + } else { + ht_cap->cap_info = cpu_to_le16(mode->ht_info.cap); + memcpy(ht_cap->supp_mcs_set, + mode->ht_info.supp_mcs_set, 16); + } + ht_cap->ampdu_params_info = + (mode->ht_info.ampdu_factor & IEEE80211_HT_CAP_AMPDU_FACTOR) | + ((mode->ht_info.ampdu_density << 2) & + IEEE80211_HT_CAP_AMPDU_DENSITY); } static void iwl4965_mac_get_ht_capab(struct ieee80211_hw *hw,