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mac80211: move MU_MIMO_OWNER flag to ieee80211_vif 

Drivers may need to track which vif is using VHT MU-MIMO.
Move the flag indicationg the ownership of MU_MIMO to
ieee80211_vif.

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>
This commit is contained in:
Sara Sharon 2016-02-16 12:48:18 +02:00 committed by Johannes Berg
parent 65554d07ad
commit b5a33d5259
5 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/mac80211.h
View File

@ -1382,6 +1382,7 @@ enum ieee80211_vif_flags {
* @csa_active: marks whether a channel switch is going on. Internally it is
* write-protected by sdata_lock and local->mtx so holding either is fine
* for read access.
* @mu_mimo_owner: indicates interface owns MU-MIMO capability
* @driver_flags: flags/capabilities the driver has for this interface,
* these need to be set (or cleared) when the interface is added
* or, if supported by the driver, the interface type is changed
@ -1408,6 +1409,7 @@ struct ieee80211_vif {
u8 addr[ETH_ALEN];
bool p2p;
bool csa_active;
bool mu_mimo_owner;
u8 cab_queue;
u8 hw_queue[IEEE80211_NUM_ACS];

2
net/mac80211/ieee80211_i.h
View File

@ -716,7 +716,6 @@ struct ieee80211_if_mesh {
* back to wireless media and to the local net stack.
* @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
* @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
* @IEEE80211_SDATA_MU_MIMO_OWNER: indicates interface owns MU-MIMO capability
*/
enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_ALLMULTI = BIT(0),
@ -724,7 +723,6 @@ enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
IEEE80211_SDATA_IN_DRIVER = BIT(5),
IEEE80211_SDATA_MU_MIMO_OWNER = BIT(6),
};
/**

11
net/mac80211/mlme.c
View File

@ -6,7 +6,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 Intel Deutschland GmbH
* Copyright (C) 2015 - 2016 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
@ -559,7 +559,7 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sub_if_data *other;
list_for_each_entry_rcu(other, &local->interfaces, list) {
if (other->flags & IEEE80211_SDATA_MU_MIMO_OWNER) {
if (other->vif.mu_mimo_owner) {
disable_mu_mimo = true;
break;
}
@ -567,7 +567,7 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
if (disable_mu_mimo)
cap &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
else
sdata->flags |= IEEE80211_SDATA_MU_MIMO_OWNER;
sdata->vif.mu_mimo_owner = true;
}
mask = IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
@ -2052,7 +2052,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
memset(sdata->vif.bss_conf.mu_group.position, 0,
sizeof(sdata->vif.bss_conf.mu_group.position));
changed |= BSS_CHANGED_MU_GROUPS;
sdata->flags &= ~IEEE80211_SDATA_MU_MIMO_OWNER;
sdata->vif.mu_mimo_owner = false;
sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
@ -2509,7 +2509,8 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
eth_zero_addr(sdata->u.mgd.bssid);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
sdata->u.mgd.flags = 0;
sdata->flags &= ~IEEE80211_SDATA_MU_MIMO_OWNER;
sdata->vif.mu_mimo_owner = false;
mutex_lock(&sdata->local->mtx);
ieee80211_vif_release_channel(sdata);
mutex_unlock(&sdata->local->mtx);

2
net/mac80211/util.c
View File

@ -1928,7 +1928,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_IDLE |
BSS_CHANGED_TXPOWER;
if (sdata->flags & IEEE80211_SDATA_MU_MIMO_OWNER)
if (sdata->vif.mu_mimo_owner)
changed |= BSS_CHANGED_MU_GROUPS;
switch (sdata->vif.type) {

7
net/mac80211/vht.c
View File

@ -450,7 +450,7 @@ void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
if (!(sdata->flags & IEEE80211_SDATA_MU_MIMO_OWNER))
if (!sdata->vif.mu_mimo_owner)
return;
if (!memcmp(mgmt->u.action.u.vht_group_notif.position,
@ -472,10 +472,9 @@ void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
void ieee80211_update_mu_groups(struct ieee80211_vif *vif,
const u8 *membership, const u8 *position)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
if (WARN_ON_ONCE(!(sdata->flags & IEEE80211_SDATA_MU_MIMO_OWNER)))
if (WARN_ON_ONCE(!vif->mu_mimo_owner))
return;
memcpy(bss_conf->mu_group.membership, membership, WLAN_MEMBERSHIP_LEN);