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wlan-ap/feeds/wifi-ax/hostapd/patches/e00-006-AP-Extend-Spatial-Reuse-Parameter-Set.patch
John Crispin 6b7f1b9009 hostapd-ax: update to ath11k-ed2 release 
Signed-off-by: John Crispin <john@phrozen.org>
2020-12-02 09:48:18 +01:00

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From f7a2dce12232984cec2cd2bf8d3316b3208893cb Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@codeaurora.org>
Date: Sun, 27 Sep 2020 23:38:14 -0700
Subject: [PATCH] AP: Extend Spatial Reuse Parameter Set
Extend SPR element to support following fields and pass all
information to kernel for driver use.
* Non-SRG OBSS PD Max Offset
* SRG BSS Color Bitmap
* SRG Partial BSSID Bitmap
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
---
hostapd/config_file.c | 46 +++++++++++++++++++++++++++++++++++++++++++-
hostapd/hostapd.conf | 15 +++++++++++++++
src/ap/ap_config.h | 4 ++--
src/ap/beacon.c | 8 +++++++-
src/ap/ieee802_11_he.c | 5 +++++
src/drivers/driver.h | 25 ++++++++++++++++++++----
src/drivers/driver_nl80211.c | 30 ++++++++++++++++++++++-------
src/drivers/nl80211_copy.h | 11 +++++++++++
8 files changed, 129 insertions(+), 15 deletions(-)
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -906,6 +906,32 @@ static int hostapd_parse_intlist(int **i
}
+static int hostapd_parse_he_srg_bitmap(u8 *bitmap, char *val)
+{
+ int bitpos;
+ char *pos, *end;
+
+ os_memset(bitmap, 0, 8);
+ pos = val;
+ while (*pos != '\0') {
+ end = os_strchr(pos, ' ');
+ if (end)
+ *end = '\0';
+
+ bitpos = atoi(pos);
+ if (bitpos < 0 || bitpos > 63)
+ return -1;
+
+ bitmap[bitpos / 8] |= (1 << (bitpos % 8));
+ if (!end)
+ break;
+ pos = end + 1;
+ }
+
+ return 0;
+}
+
+
static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
{
struct hostapd_bss_config **all, *bss;
@@ -3551,13 +3577,31 @@ static int hostapd_config_fill(struct ho
conf->he_mu_edca.he_mu_ac_vo_param[HE_MU_AC_PARAM_TIMER_IDX] =
atoi(pos) & 0xff;
} else if (os_strcmp(buf, "he_spr_sr_control") == 0) {
- conf->spr.sr_control = atoi(pos) & 0xff;
+ conf->spr.sr_control = atoi(pos) & 0x1f;
} else if (os_strcmp(buf, "he_spr_non_srg_obss_pd_max_offset") == 0) {
conf->spr.non_srg_obss_pd_max_offset = atoi(pos);
} else if (os_strcmp(buf, "he_spr_srg_obss_pd_min_offset") == 0) {
conf->spr.srg_obss_pd_min_offset = atoi(pos);
} else if (os_strcmp(buf, "he_spr_srg_obss_pd_max_offset") == 0) {
conf->spr.srg_obss_pd_max_offset = atoi(pos);
+ } else if (os_strcmp(buf, "he_spr_srg_bss_colors") == 0) {
+ if (hostapd_parse_he_srg_bitmap(
+ conf->spr.srg_bss_color_bitmap,
+ pos)) {
+ wpa_printf(MSG_ERROR,
+ "Line %d: Invalid srg bss colors list '%s'",
+ line, pos);
+ return 1;
+ }
+ } else if (os_strcmp(buf, "he_spr_srg_partial_bssid") == 0) {
+ if (hostapd_parse_he_srg_bitmap(
+ conf->spr.srg_partial_bssid_bitmap,
+ pos)) {
+ wpa_printf(MSG_ERROR,
+ "Line %d: Invalid srg partial bssid list '%s'",
+ line, pos);
+ return 1;
+ }
} else if (os_strcmp(buf, "he_oper_chwidth") == 0) {
conf->he_oper_chwidth = atoi(pos);
} else if (os_strcmp(buf, "he_oper_centr_freq_seg0_idx") == 0) {
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -872,6 +872,21 @@ wmm_ac_vo_acm=0
#he_spr_non_srg_obss_pd_max_offset
#he_spr_srg_obss_pd_min_offset
#he_spr_srg_obss_pd_max_offset
+#
+# SPR SRG BSS Color
+# This config represents SRG BSS Color Bitmap field of Spatial Reuse Parameter
+# Set element that indicates the BSS color values used by members of the
+# SRG of which the transmitting STA is a member. The value is in range of 0 - 63.
+#he_spr_srg_bss_colors=1 2 10 63
+#
+# SPR SRG Partial BSSID
+# This config represents SRG Partial BSSID Bitmap field of Spatial Reuse Parameter
+# Set element that indicates the Partial BSSID values used by members of the SRG of
+# which the transmitting STA is a member. The value range corresponds to one of the 64
+# possible values of BSSID[39:44], where the lowest numbered bit corresponds to Partial
+# BSSID value 0 and the highest numbered bit corresponds to Partial BSSID value 63.
+#he_spr_srg_partial_bssid=0 1 3 63
+#
# Unsolicited broadcast probe response transmission settings, 6GHz only.
# If interval is set to non-zero, the AP schedules unsolicited
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -903,8 +903,8 @@ struct spatial_reuse {
u8 non_srg_obss_pd_max_offset;
u8 srg_obss_pd_min_offset;
u8 srg_obss_pd_max_offset;
- u8 srg_obss_color_bitmap;
- u8 srg_obss_color_partial_bitmap;
+ u8 srg_bss_color_bitmap[8];
+ u8 srg_partial_bssid_bitmap[8];
};
/**
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -1842,11 +1842,17 @@ int ieee802_11_set_beacon(struct hostapd
params.assocresp_ies = assocresp;
params.reenable = hapd->reenable_beacon;
#ifdef CONFIG_IEEE80211AX
- params.he_spr = !!hapd->iface->conf->spr.sr_control;
+ params.he_spr_ctrl = hapd->iface->conf->spr.sr_control;
+ params.he_spr_non_srg_obss_pd_max_offset =
+ hapd->iface->conf->spr.non_srg_obss_pd_max_offset;
params.he_spr_srg_obss_pd_min_offset =
hapd->iface->conf->spr.srg_obss_pd_min_offset;
params.he_spr_srg_obss_pd_max_offset =
hapd->iface->conf->spr.srg_obss_pd_max_offset;
+ os_memcpy(params.he_spr_bss_color_bitmap,
+ hapd->iface->conf->spr.srg_bss_color_bitmap, 8);
+ os_memcpy(params.he_spr_partial_bssid_bitmap,
+ hapd->iface->conf->spr.srg_partial_bssid_bitmap, 8);
params.he_bss_color_disabled =
hapd->iface->conf->he_op.he_bss_color_disabled;
params.he_bss_color_partial =
--- a/src/ap/ieee802_11_he.c
+++ b/src/ap/ieee802_11_he.c
@@ -310,6 +310,11 @@ u8 * hostapd_eid_spatial_reuse(struct ho
if (spr->sr_ctrl & SPATIAL_REUSE_SRG_INFORMATION_PRESENT) {
*spr_param++ = hapd->iface->conf->spr.srg_obss_pd_min_offset;
*spr_param++ = hapd->iface->conf->spr.srg_obss_pd_max_offset;
+ os_memcpy(spr_param,
+ hapd->iface->conf->spr.srg_bss_color_bitmap, 8);
+ spr_param += 8;
+ os_memcpy(spr_param,
+ hapd->iface->conf->spr.srg_partial_bssid_bitmap, 8);
pos += 18;
}
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1493,19 +1493,36 @@ struct wpa_driver_ap_params {
const struct wpabuf *civic;
/**
- * he_spr - Whether Spatial Reuse is enabled
+ * he_spr_ctrl - Spatial Reuse control field of SPR element
*/
- int he_spr;
+ u8 he_spr_ctrl;
+
+ /**
+ * he_spr_non_srg_obss_pd_max_offset - Non-SRG Maximum TX power offset
+ */
+ u8 he_spr_non_srg_obss_pd_max_offset;
/**
* he_spr_srg_obss_pd_min_offset - Minimum TX power offset
*/
- int he_spr_srg_obss_pd_min_offset;
+ u8 he_spr_srg_obss_pd_min_offset;
/**
* he_spr_srg_obss_pd_max_offset - Maximum TX power offset
*/
- int he_spr_srg_obss_pd_max_offset;
+ u8 he_spr_srg_obss_pd_max_offset;
+
+ /**
+ * he_spr_bss_color_bitmap - BSS color values used by members of the
+ * SRG.
+ */
+ u8 he_spr_bss_color_bitmap[8];
+
+ /**
+ * he_spr_partial_bssid_bitmap - Partial BSSID values used by members
+ * of the SRG.
+ */
+ u8 he_spr_partial_bssid_bitmap[8];
/**
* he_bss_color - Whether the BSS Color is disabled
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -4664,17 +4664,33 @@ static int wpa_driver_nl80211_set_ap(voi
}
#ifdef CONFIG_IEEE80211AX
- if (params->he_spr) {
+ if (params->he_spr_ctrl) {
struct nlattr *spr;
spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
- wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
+ wpa_printf(MSG_DEBUG, "nl80211: he_spr_ctrl=%x",
+ params->he_spr_ctrl);
- if (!spr ||
- nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
- params->he_spr_srg_obss_pd_min_offset) ||
- nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
- params->he_spr_srg_obss_pd_max_offset))
+ if (!spr || nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_SR_CTRL,
+ params->he_spr_ctrl))
+ goto fail;
+
+ if ((params->he_spr_ctrl & SPATIAL_REUSE_NON_SRG_OFFSET_PRESENT) &&
+ nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET,
+ params->he_spr_non_srg_obss_pd_max_offset))
+ goto fail;
+
+ if ((params->he_spr_ctrl & SPATIAL_REUSE_SRG_INFORMATION_PRESENT) &&
+ (nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
+ params->he_spr_srg_obss_pd_min_offset) ||
+ nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
+ params->he_spr_srg_obss_pd_max_offset) ||
+ nla_put(msg, NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP,
+ sizeof(params->he_spr_bss_color_bitmap),
+ params->he_spr_bss_color_bitmap) ||
+ nla_put(msg, NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP,
+ sizeof(params->he_spr_partial_bssid_bitmap),
+ params->he_spr_partial_bssid_bitmap)))
goto fail;
nla_nest_end(msg, spr);
--- a/src/drivers/nl80211_copy.h
+++ b/src/drivers/nl80211_copy.h
@@ -6907,6 +6907,13 @@ enum nl80211_peer_measurement_ftm_resp {
*
* @NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET: the OBSS PD minimum tx power offset.
* @NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET: the OBSS PD maximum tx power offset.
+ * @NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET: the non-SRG OBSS PD maximum
+ * tx power offset.
+ * @NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP: bitmap that indicates the BSS color
+ * values used by members of the SRG.
+ * @NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP: bitmap that indicates the partial
+ * BSSID values used by members of the SRG.
+ * @NL80211_HE_OBSS_PD_ATTR_SR_CTRL: The SR Control field of SRP element.
*
* @__NL80211_HE_OBSS_PD_ATTR_LAST: Internal
* @NL80211_HE_OBSS_PD_ATTR_MAX: highest OBSS PD attribute.
@@ -6916,6 +6923,10 @@ enum nl80211_obss_pd_attributes {
NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
+ NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET,
+ NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP,
+ NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP,
+ NL80211_HE_OBSS_PD_ATTR_SR_CTRL,
/* keep last */
__NL80211_HE_OBSS_PD_ATTR_LAST,
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