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mac80211: allow setting spatial reuse parameters from bss_conf

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Store the OBSS PD parameters inside bss_conf when bringing up an AP and/or
when a station connects to an AP. This allows the driver to configure the
HW accordingly.

Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20190730163701.18836-3-john@phrozen.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
John Crispin 2019-07-30 18:37:01 +02:00 committed by Johannes Berg
parent 6d4dd4ef1a
commit 1ced169cc1
5 changed files with 36 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/net/mac80211.h
View File

@ -315,6 +315,7 @@ struct ieee80211_vif_chanctx_switch {
* @BSS_CHANGED_FTM_RESPONDER: fime timing reasurement request responder
* functionality changed for this BSS (AP mode).
* @BSS_CHANGED_TWT: TWT status changed
* @BSS_CHANGED_HE_OBSS_PD: OBSS Packet Detection status changed.
*
*/
enum ieee80211_bss_change {
@ -346,6 +347,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_MCAST_RATE = 1<<25,
BSS_CHANGED_FTM_RESPONDER = 1<<26,
BSS_CHANGED_TWT = 1<<27,
BSS_CHANGED_HE_OBSS_PD = 1<<28,
/* when adding here, make sure to change ieee80211_reconfig */
};
@ -601,6 +603,7 @@ struct ieee80211_ftm_responder_params {
* @profile_periodicity: the least number of beacon frames need to be received
* in order to discover all the nontransmitted BSSIDs in the set.
* @he_operation: HE operation information of the AP we are connected to
* @he_obss_pd: OBSS Packet Detection parameters.
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@ -663,6 +666,7 @@ struct ieee80211_bss_conf {
bool ema_ap;
u8 profile_periodicity;
struct ieee80211_he_operation he_operation;
struct ieee80211_he_obss_pd he_obss_pd;
};
/**

5
net/mac80211/cfg.c
View File

@ -980,7 +980,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
BSS_CHANGED_SSID |
BSS_CHANGED_P2P_PS |
BSS_CHANGED_TXPOWER |
BSS_CHANGED_TWT;
BSS_CHANGED_TWT |
BSS_CHANGED_HE_OBSS_PD;
int err;
int prev_beacon_int;
@ -1051,6 +1052,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
sdata->vif.bss_conf.twt_responder = params->twt_responder;
memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
sizeof(struct ieee80211_he_obss_pd));
sdata->vif.bss_conf.ssid_len = params->ssid_len;
if (params->ssid_len)

24
net/mac80211/he.c
View File

@ -65,3 +65,27 @@ ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
vif->bss_conf.he_operation = *he_op_ie_elem;
}
void
ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_spr *he_spr_ie_elem)
{
struct ieee80211_he_obss_pd *he_obss_pd =
&vif->bss_conf.he_obss_pd;
const u8 *data = he_spr_ie_elem->optional;
memset(he_obss_pd, 0, sizeof(*he_obss_pd));
if (!he_spr_ie_elem)
return;
if (he_spr_ie_elem->he_sr_control &
IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
data++;
if (he_spr_ie_elem->he_sr_control &
IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
he_obss_pd->max_offset = *data++;
he_obss_pd->min_offset = *data++;
he_obss_pd->enable = true;
}
}

3
net/mac80211/ieee80211_i.h
View File

@ -1873,6 +1873,9 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const u8 *he_cap_ie, u8 he_cap_len,
struct sta_info *sta);
void
ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
const struct ieee80211_he_spr *he_spr_ie_elem);
void
ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,

1
net/mac80211/mlme.c
View File

@ -3382,6 +3382,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
bss_conf->uora_ocw_range = elems.uora_element[0];
ieee80211_he_op_ie_to_bss_conf(&sdata->vif, elems.he_operation);
ieee80211_he_spr_ie_to_bss_conf(&sdata->vif, elems.he_spr);
/* TODO: OPEN: what happens if BSS color disable is set? */
}