diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2015-12-08 16:04:31 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-01-14 11:13:10 +0100 |
| commit | 23a1f8d44c0bca48f04fc2a2f1edafd826ce6133 (patch) | |
| tree | 163f582943bbaeadd9703a9050b9a677ac47218c /net/mac80211/vht.c | |
| parent | c799ba6eab7a1bf02792e2ced933be3ae5f8daa2 (diff) | |
mac80211: process and save VHT MU-MIMO group frame
The Group ID Management frame is an Action frame of
category VHT. It is transmitted by the AP to assign
or change the user position of a STA for one or more
group IDs.
Process and save the group membership data. Notify
underlying driver of changes.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/vht.c')
| -rw-r--r-- | net/mac80211/vht.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index c38b2f07a919..050de08bf82e 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -1,6 +1,9 @@ /* * VHT handling * + * Portions of this file + * Copyright(c) 2015 Intel Deutschland GmbH + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. @@ -425,6 +428,28 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, return changed; } +void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt) +{ + struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; + + if (!(sdata->flags & IEEE80211_SDATA_MU_MIMO_OWNER)) + return; + + if (!memcmp(mgmt->u.action.u.vht_group_notif.position, + bss_conf->mu_group.position, WLAN_USER_POSITION_LEN) && + !memcmp(mgmt->u.action.u.vht_group_notif.membership, + bss_conf->mu_group.membership, WLAN_MEMBERSHIP_LEN)) + return; + + memcpy(mgmt->u.action.u.vht_group_notif.membership, + bss_conf->mu_group.membership, WLAN_MEMBERSHIP_LEN); + memcpy(mgmt->u.action.u.vht_group_notif.position, + bss_conf->mu_group.position, WLAN_USER_POSITION_LEN); + + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS); +} + void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, u8 opmode, enum ieee80211_band band) |