From 8fb8803239debda77b90f7e4a5098067187d865e Mon Sep 17 00:00:00 2001
From: Ron Rindjunsky <ron.rindjunsky@intel.com>
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 <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
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 d88363e766c4..c2366c2d23b7 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,