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802.11: clean up/fix HT support

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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
parent 40333e4fb4
commit d9fe60dea7
23 changed files with 386 additions and 319 deletions
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12
include/net/mac80211.h
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@@ -191,7 +191,7 @@ enum ieee80211_bss_change {
* @beacon_int: beacon interval
* @assoc_capability: capabilities taken from assoc resp
* @assoc_ht: association in HT mode
* @ht_conf: ht capabilities
* @ht_cap: ht capabilities
* @ht_bss_conf: ht extended capabilities
* @basic_rates: bitmap of basic rates, each bit stands for an
* index into the rate table configured by the driver in
@@ -212,7 +212,7 @@ struct ieee80211_bss_conf {
u64 basic_rates;
/* ht related data */
bool assoc_ht;
struct ieee80211_ht_info *ht_conf;
struct ieee80211_sta_ht_cap *ht_cap;
struct ieee80211_ht_bss_info *ht_bss_conf;
};
@@ -477,7 +477,7 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
* @antenna_sel_tx: transmit antenna selection, 0: default/diversity,
* 1/2: antenna 0/1
* @antenna_sel_rx: receive antenna selection, like @antenna_sel_tx
* @ht_conf: describes current self configuration of 802.11n HT capabilies
* @ht_cap: describes current self configuration of 802.11n HT capabilities
* @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters
* @channel: the channel to tune to
*/
@@ -493,7 +493,7 @@ struct ieee80211_conf {
struct ieee80211_channel *channel;
struct ieee80211_ht_info ht_conf;
struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_ht_bss_info ht_bss_conf;
};
@@ -687,7 +687,7 @@ enum set_key_cmd {
* @addr: MAC address
* @aid: AID we assigned to the station if we're an AP
* @supp_rates: Bitmap of supported rates (per band)
* @ht_info: HT capabilities of this STA
* @ht_cap: HT capabilities of this STA
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information.
*/
@@ -695,7 +695,7 @@ struct ieee80211_sta {
u64 supp_rates[IEEE80211_NUM_BANDS];
u8 addr[ETH_ALEN];
u16 aid;
struct ieee80211_ht_info ht_info;
struct ieee80211_sta_ht_cap ht_cap;
/* must be last */
u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *))));