From 6dbd496a170b62c7ac56a0cb3aaf170b3ecbb515 Mon Sep 17 00:00:00 2001 From: Wei Zhang Date: Thu, 22 Jan 2026 22:48:16 -0800 Subject: [PATCH] wifi: ath12k: add WMI support for spatial reuse parameter configuration Add WMI support for configuring SRG and non-SRG OBSS PD bitmaps at the pdev level. The new commands allow the host to set BSS color bitmaps, partial BSSID bitmaps, and the corresponding enable masks used for SRG/non-SRG OBSS PD processing. Introduce new WMI command IDs, TLV tags, a service flag (WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT), and a bitmap payload structure required by these commands. These additions are needed to support HE Spatial Reuse and firmware-managed OBSS PD behavior. The APIs introduced in this patch will be utilized in an upcoming patch. Tested-on: WCN7850 hw2.0 PCI WLAN.IOE_HMT.1.1-00011-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 WLAN.WBE.1.5-01651-QCAHKSWPL_SILICONZ-1 Signed-off-by: Wei Zhang Reviewed-by: Baochen Qiang Link: https://patch.msgid.link/20260123064817.364047-2-wei.zhang@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/wmi.c | 142 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 46 +++++++++ 2 files changed, 188 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 84c29e4896a4..70031c370493 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -126,6 +126,14 @@ struct wmi_tlv_mgmt_rx_parse { bool frame_buf_done; }; +struct wmi_pdev_set_obss_bitmap_arg { + u32 tlv_tag; + u32 pdev_id; + u32 cmd_id; + const u32 *bitmap; + const char *label; +}; + static const struct ath12k_wmi_tlv_policy ath12k_wmi_tlv_policies[] = { [WMI_TAG_ARRAY_BYTE] = { .min_len = 0 }, [WMI_TAG_ARRAY_UINT32] = { .min_len = 0 }, @@ -3560,6 +3568,140 @@ ath12k_wmi_send_obss_spr_cmd(struct ath12k *ar, u32 vdev_id, return ret; } +u32 ath12k_wmi_build_obss_pd(const struct ath12k_wmi_obss_pd_arg *arg) +{ + u32 param_val = 0; + + param_val |= u32_encode_bits((u8)arg->srg_th, GENMASK(15, 8)); + param_val |= u32_encode_bits((u8)arg->non_srg_th, GENMASK(7, 0)); + + if (arg->srp_support) + param_val |= ATH12K_OBSS_PD_THRESHOLD_IN_DBM; + + if (arg->srg_enabled && arg->srp_support) + param_val |= ATH12K_OBSS_PD_SRG_EN; + + if (arg->non_srg_enabled) + param_val |= ATH12K_OBSS_PD_NON_SRG_EN; + + return param_val; +} + +static int ath12k_wmi_pdev_set_obss_bitmap(struct ath12k *ar, + const struct wmi_pdev_set_obss_bitmap_arg *arg) +{ + struct wmi_pdev_obss_pd_bitmap_cmd *cmd; + struct ath12k_wmi_pdev *wmi = ar->wmi; + const int len = sizeof(*cmd); + struct sk_buff *skb; + int ret; + + skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_obss_pd_bitmap_cmd *)skb->data; + cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(arg->tlv_tag, len); + cmd->pdev_id = cpu_to_le32(arg->pdev_id); + memcpy(cmd->bitmap, arg->bitmap, sizeof(cmd->bitmap)); + + ath12k_dbg(ar->ab, ATH12K_DBG_WMI, + "wmi set pdev %u %s %08x %08x\n", + arg->pdev_id, arg->label, arg->bitmap[0], arg->bitmap[1]); + + ret = ath12k_wmi_cmd_send(wmi, skb, arg->cmd_id); + if (ret) { + ath12k_warn(ar->ab, "failed to send %s: %d\n", arg->label, ret); + dev_kfree_skb(skb); + } + + return ret; +} + +int ath12k_wmi_pdev_set_srg_bss_color_bitmap(struct ath12k *ar, + u32 pdev_id, const u32 *bitmap) +{ + struct wmi_pdev_set_obss_bitmap_arg arg = { + .tlv_tag = WMI_TAG_PDEV_SRG_BSS_COLOR_BITMAP_CMD, + .pdev_id = pdev_id, + .cmd_id = WMI_PDEV_SET_SRG_BSS_COLOR_BITMAP_CMDID, + .bitmap = bitmap, + .label = "SRG bss color bitmap", + }; + + return ath12k_wmi_pdev_set_obss_bitmap(ar, &arg); +} + +int ath12k_wmi_pdev_set_srg_partial_bssid_bitmap(struct ath12k *ar, + u32 pdev_id, const u32 *bitmap) +{ + struct wmi_pdev_set_obss_bitmap_arg arg = { + .tlv_tag = WMI_TAG_PDEV_SRG_PARTIAL_BSSID_BITMAP_CMD, + .pdev_id = pdev_id, + .cmd_id = WMI_PDEV_SET_SRG_PARTIAL_BSSID_BITMAP_CMDID, + .bitmap = bitmap, + .label = "SRG partial bssid bitmap", + }; + + return ath12k_wmi_pdev_set_obss_bitmap(ar, &arg); +} + +int ath12k_wmi_pdev_srg_obss_color_enable_bitmap(struct ath12k *ar, + u32 pdev_id, const u32 *bitmap) +{ + struct wmi_pdev_set_obss_bitmap_arg arg = { + .tlv_tag = WMI_TAG_PDEV_SRG_OBSS_COLOR_ENABLE_BITMAP_CMD, + .pdev_id = pdev_id, + .cmd_id = WMI_PDEV_SET_SRG_OBSS_COLOR_ENABLE_BITMAP_CMDID, + .bitmap = bitmap, + .label = "SRG obss color enable bitmap", + }; + + return ath12k_wmi_pdev_set_obss_bitmap(ar, &arg); +} + +int ath12k_wmi_pdev_srg_obss_bssid_enable_bitmap(struct ath12k *ar, + u32 pdev_id, const u32 *bitmap) +{ + struct wmi_pdev_set_obss_bitmap_arg arg = { + .tlv_tag = WMI_TAG_PDEV_SRG_OBSS_BSSID_ENABLE_BITMAP_CMD, + .pdev_id = pdev_id, + .cmd_id = WMI_PDEV_SET_SRG_OBSS_BSSID_ENABLE_BITMAP_CMDID, + .bitmap = bitmap, + .label = "SRG obss bssid enable bitmap", + }; + + return ath12k_wmi_pdev_set_obss_bitmap(ar, &arg); +} + +int ath12k_wmi_pdev_non_srg_obss_color_enable_bitmap(struct ath12k *ar, + u32 pdev_id, const u32 *bitmap) +{ + struct wmi_pdev_set_obss_bitmap_arg arg = { + .tlv_tag = WMI_TAG_PDEV_NON_SRG_OBSS_COLOR_ENABLE_BITMAP_CMD, + .pdev_id = pdev_id, + .cmd_id = WMI_PDEV_SET_NON_SRG_OBSS_COLOR_ENABLE_BITMAP_CMDID, + .bitmap = bitmap, + .label = "non SRG obss color enable bitmap", + }; + + return ath12k_wmi_pdev_set_obss_bitmap(ar, &arg); +} + +int ath12k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(struct ath12k *ar, + u32 pdev_id, const u32 *bitmap) +{ + struct wmi_pdev_set_obss_bitmap_arg arg = { + .tlv_tag = WMI_TAG_PDEV_NON_SRG_OBSS_BSSID_ENABLE_BITMAP_CMD, + .pdev_id = pdev_id, + .cmd_id = WMI_PDEV_SET_NON_SRG_OBSS_BSSID_ENABLE_BITMAP_CMDID, + .bitmap = bitmap, + .label = "non SRG obss bssid enable bitmap", + }; + + return ath12k_wmi_pdev_set_obss_bitmap(ar, &arg); +} + int ath12k_wmi_obss_color_cfg_cmd(struct ath12k *ar, u32 vdev_id, u8 bss_color, u32 period, bool enable) diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index fdc203fdba0a..2a81819ef543 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -374,6 +374,12 @@ enum wmi_tlv_cmd_id { WMI_PDEV_DMA_RING_CFG_REQ_CMDID, WMI_PDEV_HE_TB_ACTION_FRM_CMDID, WMI_PDEV_PKTLOG_FILTER_CMDID, + WMI_PDEV_SET_SRG_BSS_COLOR_BITMAP_CMDID = 0x403b, + WMI_PDEV_SET_SRG_PARTIAL_BSSID_BITMAP_CMDID, + WMI_PDEV_SET_SRG_OBSS_COLOR_ENABLE_BITMAP_CMDID, + WMI_PDEV_SET_SRG_OBSS_BSSID_ENABLE_BITMAP_CMDID, + WMI_PDEV_SET_NON_SRG_OBSS_COLOR_ENABLE_BITMAP_CMDID, + WMI_PDEV_SET_NON_SRG_OBSS_BSSID_ENABLE_BITMAP_CMDID, WMI_PDEV_SET_BIOS_SAR_TABLE_CMDID = 0x4044, WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID = 0x4045, WMI_PDEV_SET_BIOS_INTERFACE_CMDID = 0x404A, @@ -1076,6 +1082,9 @@ enum wmi_tlv_pdev_param { WMI_PDEV_PARAM_RADIO_CHAN_STATS_ENABLE, WMI_PDEV_PARAM_RADIO_DIAGNOSIS_ENABLE, WMI_PDEV_PARAM_MESH_MCAST_ENABLE, + WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD = 0xbc, + WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC = 0xbe, + WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT = 0xc6, }; enum wmi_tlv_vdev_param { @@ -1987,6 +1996,12 @@ enum wmi_tlv_tag { WMI_TAG_SERVICE_READY_EXT2_EVENT = 0x334, WMI_TAG_FILS_DISCOVERY_TMPL_CMD = 0x344, WMI_TAG_MAC_PHY_CAPABILITIES_EXT = 0x36F, + WMI_TAG_PDEV_SRG_BSS_COLOR_BITMAP_CMD = 0x37b, + WMI_TAG_PDEV_SRG_PARTIAL_BSSID_BITMAP_CMD, + WMI_TAG_PDEV_SRG_OBSS_COLOR_ENABLE_BITMAP_CMD = 0x381, + WMI_TAG_PDEV_SRG_OBSS_BSSID_ENABLE_BITMAP_CMD, + WMI_TAG_PDEV_NON_SRG_OBSS_COLOR_ENABLE_BITMAP_CMD, + WMI_TAG_PDEV_NON_SRG_OBSS_BSSID_ENABLE_BITMAP_CMD, WMI_TAG_REGULATORY_RULE_EXT_STRUCT = 0x3A9, WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT, WMI_TAG_TPC_STATS_GET_CMD = 0x38B, @@ -4925,6 +4940,12 @@ struct wmi_obss_spatial_reuse_params_cmd { __le32 vdev_id; } __packed; +struct wmi_pdev_obss_pd_bitmap_cmd { + __le32 tlv_header; + __le32 pdev_id; + __le32 bitmap[2]; +} __packed; + #define ATH12K_BSS_COLOR_COLLISION_SCAN_PERIOD_MS 200 #define ATH12K_OBSS_COLOR_COLLISION_DETECTION_DISABLE 0 #define ATH12K_OBSS_COLOR_COLLISION_DETECTION 1 @@ -6329,6 +6350,18 @@ struct ath12k_wmi_rssi_dbm_conv_info_arg { /* each WMI cmd can hold 58 channel entries at most */ #define ATH12K_WMI_MAX_NUM_CHAN_PER_CMD 58 +#define ATH12K_OBSS_PD_THRESHOLD_IN_DBM BIT(29) +#define ATH12K_OBSS_PD_SRG_EN BIT(30) +#define ATH12K_OBSS_PD_NON_SRG_EN BIT(31) + +struct ath12k_wmi_obss_pd_arg { + bool srp_support; + bool srg_enabled; + bool non_srg_enabled; + s8 srg_th; + s8 non_srg_th; +}; + int ath12k_wmi_cmd_send(struct ath12k_wmi_pdev *wmi, struct sk_buff *skb, u32 cmd_id); struct sk_buff *ath12k_wmi_alloc_skb(struct ath12k_wmi_base *wmi_sc, u32 len); @@ -6432,6 +6465,19 @@ int ath12k_wmi_send_twt_enable_cmd(struct ath12k *ar, u32 pdev_id); int ath12k_wmi_send_twt_disable_cmd(struct ath12k *ar, u32 pdev_id); int ath12k_wmi_send_obss_spr_cmd(struct ath12k *ar, u32 vdev_id, struct ieee80211_he_obss_pd *he_obss_pd); +u32 ath12k_wmi_build_obss_pd(const struct ath12k_wmi_obss_pd_arg *arg); +int ath12k_wmi_pdev_set_srg_bss_color_bitmap(struct ath12k *ar, u32 pdev_id, + const u32 *bitmap); +int ath12k_wmi_pdev_set_srg_partial_bssid_bitmap(struct ath12k *ar, u32 pdev_id, + const u32 *bitmap); +int ath12k_wmi_pdev_srg_obss_color_enable_bitmap(struct ath12k *ar, u32 pdev_id, + const u32 *bitmap); +int ath12k_wmi_pdev_srg_obss_bssid_enable_bitmap(struct ath12k *ar, u32 pdev_id, + const u32 *bitmap); +int ath12k_wmi_pdev_non_srg_obss_color_enable_bitmap(struct ath12k *ar, u32 pdev_id, + const u32 *bitmap); +int ath12k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(struct ath12k *ar, u32 pdev_id, + const u32 *bitmap); int ath12k_wmi_obss_color_cfg_cmd(struct ath12k *ar, u32 vdev_id, u8 bss_color, u32 period, bool enable); -- 2.47.3