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wireless: Support ht-capabilities over-rides.

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This allows users to disable features such as HT, HT40,
and to modify the MCS, AMPDU, and AMSDU settings for
drivers that support it.

The MCS, AMPDU, and AMSDU features that may be disabled are
are reported in the phy-info netlink message as a mask.

Attemping to disable features that are not supported will
take no affect, but will not return errors.  This is to aid
backwards compatibility in user-space apps that may not be
clever enough to deal with parsing the the capabilities mask.

This patch only enables the infrastructure.  An additional
patch will enable the feature in mac80211.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Greear
2011-11-18 11:31:59 -08:00
committed by John W. Linville
parent dd76986b0e
commit 7e7c8926b2
6 changed files with 132 additions and 7 deletions
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7
net/wireless/sme.c
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@@ -189,7 +189,9 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
prev_bssid,
params->ssid, params->ssid_len,
params->ie, params->ie_len,
false, &params->crypto);
false, &params->crypto,
params->flags, &params->ht_capa,
&params->ht_capa_mask);
if (err)
__cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
NULL, 0,
@@ -773,6 +775,9 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
wdev->connect_keys = NULL;
}
cfg80211_oper_and_ht_capa(&connect->ht_capa_mask,
rdev->wiphy.ht_capa_mod_mask);
if (connkeys && connkeys->def >= 0) {
int idx;
u32 cipher;