ath11k: add support to configure spatial reuse parameter set

The SPR parameter set comprises OBSS PD threshold for SRG
and non SRG and Bitmap of BSS color and partial BSSID. This adds
support to configure fields of SPR element to firmware.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2
Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1-01164-QCAHKSWPL_SILICONZ-1
Tested-by: Muna Sinada <msinada@codeaurora.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1612843714-29174-1-git-send-email-rmanohar@codeaurora.org

1 files changed, 153 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 263a1bff02ac..b391169576e2 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -1871,6 +1871,158 @@ static int ath11k_mac_fils_discovery(struct ath11k_vif *arvif,
 	return ret;
 }
 
+static int ath11k_mac_config_obss_pd(struct ath11k *ar,
+				     struct ieee80211_he_obss_pd *he_obss_pd)
+{
+	u32 bitmap[2], param_id, param_val, pdev_id;
+	int ret;
+	s8 non_srg_th = 0, srg_th = 0;
+
+	pdev_id = ar->pdev->pdev_id;
+
+	/* Set and enable SRG/non-SRG OBSS PD Threshold */
+	param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD;
+	if (test_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags)) {
+		ret = ath11k_wmi_pdev_set_param(ar, param_id, 0, pdev_id);
+		if (ret)
+			ath11k_warn(ar->ab,
+				    "failed to set obss_pd_threshold for pdev: %u\n",
+				    pdev_id);
+		return ret;
+	}
+
+	ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
+		   "mac obss pd sr_ctrl %x non_srg_thres %u srg_max %u\n",
+		   he_obss_pd->sr_ctrl, he_obss_pd->non_srg_max_offset,
+		   he_obss_pd->max_offset);
+
+	param_val = 0;
+
+	if (he_obss_pd->sr_ctrl &
+	    IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) {
+		non_srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD;
+	} else {
+		if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
+			non_srg_th = (ATH11K_OBSS_PD_MAX_THRESHOLD +
+				      he_obss_pd->non_srg_max_offset);
+		else
+			non_srg_th = ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD;
+
+		param_val |= ATH11K_OBSS_PD_NON_SRG_EN;
+	}
+
+	if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
+		srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD + he_obss_pd->max_offset;
+		param_val |= ATH11K_OBSS_PD_SRG_EN;
+	}
+
+	if (test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,
+		     ar->ab->wmi_ab.svc_map)) {
+		param_val |= ATH11K_OBSS_PD_THRESHOLD_IN_DBM;
+		param_val |= FIELD_PREP(GENMASK(15, 8), srg_th);
+	} else {
+		non_srg_th -= ATH11K_DEFAULT_NOISE_FLOOR;
+		/* SRG not supported and threshold in dB */
+		param_val &= ~(ATH11K_OBSS_PD_SRG_EN |
+			       ATH11K_OBSS_PD_THRESHOLD_IN_DBM);
+	}
+
+	param_val |= (non_srg_th & GENMASK(7, 0));
+	ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set obss_pd_threshold for pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	/* Enable OBSS PD for all access category */
+	param_id  = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC;
+	param_val = 0xf;
+	ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set obss_pd_per_ac for pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	/* Set SR Prohibit */
+	param_id  = WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT;
+	param_val = !!(he_obss_pd->sr_ctrl &
+		       IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED);
+	ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to set sr_prohibit for pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	if (!test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,
+		      ar->ab->wmi_ab.svc_map))
+		return 0;
+
+	/* Set SRG BSS Color Bitmap */
+	memcpy(bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap));
+	ret = ath11k_wmi_pdev_set_srg_bss_color_bitmap(ar, bitmap);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set bss_color_bitmap for pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	/* Set SRG Partial BSSID Bitmap */
+	memcpy(bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap));
+	ret = ath11k_wmi_pdev_set_srg_patial_bssid_bitmap(ar, bitmap);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set partial_bssid_bitmap for pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	memset(bitmap, 0xff, sizeof(bitmap));
+
+	/* Enable all BSS Colors for SRG */
+	ret = ath11k_wmi_pdev_srg_obss_color_enable_bitmap(ar, bitmap);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set srg_color_en_bitmap pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	/* Enable all patial BSSID mask for SRG */
+	ret = ath11k_wmi_pdev_srg_obss_bssid_enable_bitmap(ar, bitmap);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set srg_bssid_en_bitmap pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	/* Enable all BSS Colors for non-SRG */
+	ret = ath11k_wmi_pdev_non_srg_obss_color_enable_bitmap(ar, bitmap);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set non_srg_color_en_bitmap pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	/* Enable all patial BSSID mask for non-SRG */
+	ret = ath11k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(ar, bitmap);
+	if (ret) {
+		ath11k_warn(ar->ab,
+			    "failed to set non_srg_bssid_en_bitmap pdev: %u\n",
+			    pdev_id);
+		return ret;
+	}
+
+	return 0;
+}
+
 static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 					   struct ieee80211_vif *vif,
 					   struct ieee80211_bss_conf *info,
@@ -2114,8 +2266,7 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_HE_OBSS_PD)
-		ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id,
-					     &info->he_obss_pd);
+		ath11k_mac_config_obss_pd(ar, &info->he_obss_pd);
 
 	if (changed & BSS_CHANGED_HE_BSS_COLOR) {
 		if (vif->type == NL80211_IFTYPE_AP) {