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mac80211: allow setting spatial reuse parameters from bss_conf

Browse source 
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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
John Crispin 2019-07-30 18:37:01 +02:00 • committed by Johannes Berg
commit 1ced169cc1
5 changed files with 36 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

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? */
}