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mac80211: Advertise HT protection mode in IEs 

Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Reviewed-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ashok Nagarajan 2012-04-30 14:20:29 -07:00 committed by John W. Linville
parent ef9456a85d
commit 431e315423
4 changed files with 8 additions and 9 deletions
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2
net/mac80211/ibss.c
View File

@ -164,7 +164,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap,
sband->ht_cap.cap);
pos = ieee80211_ie_build_ht_oper(pos, &sband->ht_cap,
chan, channel_type);
chan, channel_type, 0);
}
if (local->hw.queues >= IEEE80211_NUM_ACS) {

3
net/mac80211/ieee80211_i.h
View File

@ -1497,7 +1497,8 @@ u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
u16 cap);
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type);
enum nl80211_channel_type channel_type,
u16 prot_mode);
/* internal work items */
void ieee80211_work_init(struct ieee80211_local *local);

3
net/mac80211/mesh.c
View File

@ -396,7 +396,8 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb,
return -ENOMEM;
pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_operation));
ieee80211_ie_build_ht_oper(pos, ht_cap, channel, channel_type);
ieee80211_ie_build_ht_oper(pos, ht_cap, channel, channel_type,
sdata->vif.bss_conf.ht_operation_mode);
return 0;
}

9
net/mac80211/util.c
View File

@ -1663,7 +1663,8 @@ u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type)
enum nl80211_channel_type channel_type,
u16 prot_mode)
{
struct ieee80211_ht_operation *ht_oper;
/* Build HT Information */
@ -1689,11 +1690,7 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
channel_type != NL80211_CHAN_HT20)
ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
/*
* Note: According to 802.11n-2009 9.13.3.1, HT Protection field and
* RIFS Mode are reserved in IBSS mode, therefore keep them at 0
*/
ht_oper->operation_mode = 0x0000;
ht_oper->operation_mode = cpu_to_le16(prot_mode);
ht_oper->stbc_param = 0x0000;
/* It seems that Basic MCS set and Supported MCS set