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802.11: clean up/fix HT support

Telusuri Sumber 
This patch cleans up a number of things:
 * the unusable definition of the HT capabilities/HT information
   information elements
 * variable names that are hard to understand
 * mac80211: move ieee80211_handle_ht to ht.c and remove the unused
             enable_ht parameter
 * mac80211: fix bug with MCS rate 32 in ieee80211_handle_ht
 * mac80211: fix bug with casting the result of ieee80211_bss_get_ie
             to an information element _contents_ rather than the
             whole element, add size checking (another out-of-bounds
             access bug fixed!)
 * mac80211: remove some unused return values in favour of BUG_ON
             checking
 * a few minor other things

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2008-10-09 12:13:49 +02:00
committed by John W. Linville
orang tua 40333e4fb4
melakukan d9fe60dea7
23 mengubah file dengan 386 tambahan dan 319 penghapusan
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12
drivers/net/wireless/iwlwifi/iwl-scan.c
Melihat File

@@ -550,7 +550,7 @@ static void iwl_ht_cap_to_ie(const struct ieee80211_supported_band *sband,
{
struct ieee80211_ht_cap *ht_cap;
if (!sband || !sband->ht_info.ht_supported)
if (!sband || !sband->ht_cap.ht_supported)
return;
if (*left < sizeof(struct ieee80211_ht_cap))
@@ -559,12 +559,12 @@ static void iwl_ht_cap_to_ie(const struct ieee80211_supported_band *sband,
*pos++ = sizeof(struct ieee80211_ht_cap);
ht_cap = (struct ieee80211_ht_cap *) pos;
ht_cap->cap_info = cpu_to_le16(sband->ht_info.cap);
memcpy(ht_cap->supp_mcs_set, sband->ht_info.supp_mcs_set, 16);
ht_cap->cap_info = cpu_to_le16(sband->ht_cap.cap);
memcpy(&ht_cap->mcs, &sband->ht_cap.mcs, 16);
ht_cap->ampdu_params_info =
(sband->ht_info.ampdu_factor & IEEE80211_HT_CAP_AMPDU_FACTOR) |
((sband->ht_info.ampdu_density << 2) &
IEEE80211_HT_CAP_AMPDU_DENSITY);
(sband->ht_cap.ampdu_factor & IEEE80211_HT_AMPDU_PARM_FACTOR) |
((sband->ht_cap.ampdu_density << 2) &
IEEE80211_HT_AMPDU_PARM_DENSITY);
*left -= sizeof(struct ieee80211_ht_cap);
}