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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>
This commit is contained in:
Ron Rindjunsky 2007-11-26 16:14:38 +02:00 committed by David S. Miller
parent 326eeee807
commit 8fb8803239
1 changed files with 28 additions and 34 deletions
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62
drivers/net/wireless/iwlwifi/iwl4965-base.c
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@ -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(&param_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,