From patchwork Mon Dec 11 06:22:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baochen Qiang X-Patchwork-Id: 13486690 X-Patchwork-Delegate: kvalo@adurom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="nHL311iL" Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FDFEED for ; Sun, 10 Dec 2023 22:22:32 -0800 (PST) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 3BB5bT4e003430; Mon, 11 Dec 2023 06:22:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= qcppdkim1; bh=D6VaiQ4QzY6erzgSF5OqBwwkc8K6/AdN2D6gSyU/EQ8=; b=nH L311iLe01Y8w0p1nMG8w/Of5arLFs5eYkAhWM5s/3ZXSoGGchqNXCudrupMw+b1d AXNHgi2er1JVIMH3DTRcoBMihMKZ0DpLfEKw1YKBFOlYPRah7MouSJL6MzkUu6cS RU5YvdGjYiNIoOsHwMOpBWpu0ywk0sT5hbkns+cH1QXfC1hR0T2mg4WJyk5Wxg4Y u3VMiuSspL/nfNzhodA3E4um0JXyYKigjM9930DklfL8BxMS8wzs2waOGeSuuplD 5j83Yk5mU6vkiC46EeV/BQO1PvoDmRDZddks8DZzDB7/0w/IyGKj+4C3wZe2NP1Y xAduDcZTizoiuCARyXMQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uvnk5tee4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Dec 2023 06:22:29 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3BB6MToA003856 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Dec 2023 06:22:29 GMT Received: from bqiang-Celadon-RN.qca.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Sun, 10 Dec 2023 22:22:28 -0800 From: Baochen Qiang To: CC: Subject: [PATCH v9 02/12] wifi: ath11k: store cur_regulatory_info for each radio Date: Mon, 11 Dec 2023 14:22:06 +0800 Message-ID: <20231211062216.382164-3-quic_bqiang@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231211062216.382164-1-quic_bqiang@quicinc.com> References: <20231211062216.382164-1-quic_bqiang@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: pwSehNUKAmeOtUk9IpuIZWlVGryUlrsV X-Proofpoint-GUID: pwSehNUKAmeOtUk9IpuIZWlVGryUlrsV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_01,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 phishscore=0 impostorscore=0 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2312110050 From: Wen Gong The regulatory info of WMI_REG_CHAN_LIST_CC_EXT_EVENTID is not saved in ath11k now, the info should be saved in ath11k. Save the info for each radio and support switch regulatory rules dynamically. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23 Signed-off-by: Wen Gong Acked-by: Jeff Johnson Signed-off-by: Baochen Qiang --- v9: 1. add check to soc->reg_info_store in case memory allocation fails. 2. remove irrelevant change w.r.t commit message. v8: no change. v7: 1. fix ath11k-check warning 2. fix memory leak. drivers/net/wireless/ath/ath11k/core.h | 1 + drivers/net/wireless/ath/ath11k/reg.c | 6 + drivers/net/wireless/ath/ath11k/wmi.c | 153 ++++++++++++++++++------- drivers/net/wireless/ath/ath11k/wmi.h | 5 + 4 files changed, 122 insertions(+), 43 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 7e3b6779f4e9..cc91f7d3ca8e 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -922,6 +922,7 @@ struct ath11k_base { * This may or may not be used during the runtime */ struct ieee80211_regdomain *new_regd[MAX_RADIOS]; + struct cur_regulatory_info *reg_info_store; /* Current DFS Regulatory */ enum ath11k_dfs_region dfs_region; diff --git a/drivers/net/wireless/ath/ath11k/reg.c b/drivers/net/wireless/ath/ath11k/reg.c index 8a6fe9b495bf..b860d2fd7e5c 100644 --- a/drivers/net/wireless/ath/ath11k/reg.c +++ b/drivers/net/wireless/ath/ath11k/reg.c @@ -821,6 +821,12 @@ void ath11k_reg_free(struct ath11k_base *ab) { int i; + for (i = 0; i < ab->num_radios; i++) + ath11k_reg_reset_info(&ab->reg_info_store[i]); + + kfree(ab->reg_info_store); + ab->reg_info_store = NULL; + for (i = 0; i < ab->hw_params.max_radios; i++) { kfree(ab->default_regd[i]); kfree(ab->new_regd[i]); diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index 75c79c99faa9..78bc2715e476 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -4749,6 +4749,14 @@ static int ath11k_wmi_tlv_ext_soc_hal_reg_caps_parse(struct ath11k_base *soc, soc->pdevs[0].pdev_id = 0; } + if (!soc->reg_info_store) { + soc->reg_info_store = kcalloc(soc->num_radios, + sizeof(*soc->reg_info_store), + GFP_ATOMIC); + if (!soc->reg_info_store) + return -ENOMEM; + } + return 0; } @@ -7071,33 +7079,54 @@ static bool ath11k_reg_is_world_alpha(char *alpha) return false; } -static int ath11k_reg_chan_list_event(struct ath11k_base *ab, - struct sk_buff *skb, - enum wmi_reg_chan_list_cmd_type id) +void ath11k_reg_reset_info(struct cur_regulatory_info *reg_info) { - struct cur_regulatory_info *reg_info = NULL; - struct ieee80211_regdomain *regd = NULL; - bool intersect = false; - int ret = 0, pdev_idx, i, j; - struct ath11k *ar; + int i, j; - reg_info = kzalloc(sizeof(*reg_info), GFP_ATOMIC); - if (!reg_info) { - ret = -ENOMEM; - goto fallback; - } + if (reg_info) { + kfree(reg_info->reg_rules_2ghz_ptr); - if (id == WMI_REG_CHAN_LIST_CC_ID) - ret = ath11k_pull_reg_chan_list_update_ev(ab, skb, reg_info); - else - ret = ath11k_pull_reg_chan_list_ext_update_ev(ab, skb, reg_info); + kfree(reg_info->reg_rules_5ghz_ptr); - if (ret) { - ath11k_warn(ab, "failed to extract regulatory info from received event\n"); - goto fallback; + for (i = 0; i < WMI_REG_CURRENT_MAX_AP_TYPE; i++) { + kfree(reg_info->reg_rules_6ghz_ap_ptr[i]); + for (j = 0; j < WMI_REG_MAX_CLIENT_TYPE; j++) + kfree(reg_info->reg_rules_6ghz_client_ptr[i][j]); + } + + memset(reg_info, 0, sizeof(*reg_info)); } +} + +static +enum wmi_vdev_type ath11k_reg_get_ar_vdev_type(struct ath11k *ar) +{ + struct ath11k_vif *arvif; - ath11k_dbg(ab, ATH11K_DBG_WMI, "event reg chan list id %d", id); + /* Currently each struct ath11k maps to one struct ieee80211_hw/wiphy + * and one struct ieee80211_regdomain, so it could only store one group + * reg rules. It means muti-interface concurrency in the same ath11k is + * not support for the regdomain. So get the vdev type of the first entry + * now. After concurrency support for the regdomain, this should change. + */ + arvif = list_first_entry_or_null(&ar->arvifs, struct ath11k_vif, list); + if (arvif) + return arvif->vdev_type; + + return WMI_VDEV_TYPE_UNSPEC; +} + +int ath11k_reg_handle_chan_list(struct ath11k_base *ab, + struct cur_regulatory_info *reg_info, + enum ieee80211_ap_reg_power power_type) +{ + struct ieee80211_regdomain *regd; + bool intersect = false; + int pdev_idx; + struct ath11k *ar; + enum wmi_vdev_type vdev_type; + + ath11k_dbg(ab, ATH11K_DBG_WMI, "event reg handle chan list"); if (reg_info->status_code != REG_SET_CC_STATUS_PASS) { /* In case of failure to set the requested ctry, @@ -7105,7 +7134,7 @@ static int ath11k_reg_chan_list_event(struct ath11k_base *ab, * and return from here. */ ath11k_warn(ab, "Failed to set the requested Country regulatory setting\n"); - goto mem_free; + return -EINVAL; } pdev_idx = reg_info->phy_id; @@ -7117,20 +7146,23 @@ static int ath11k_reg_chan_list_event(struct ath11k_base *ab, if (test_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags) && ab->default_regd[pdev_idx]) { spin_unlock(&ab->base_lock); - goto mem_free; + goto retfail; } spin_unlock(&ab->base_lock); if (pdev_idx >= ab->num_radios) { /* Process the event for phy0 only if single_pdev_only * is true. If pdev_idx is valid but not 0, discard the - * event. Otherwise, it goes to fallback. + * event. Otherwise, it goes to fallback. In either case + * ath11k_reg_reset_info() needs to be called to avoid + * memory leak issue. */ + ath11k_reg_reset_info(reg_info); + if (ab->hw_params.single_pdev_only && pdev_idx < ab->hw_params.num_rxmda_per_pdev) - goto mem_free; - else - goto fallback; + return 0; + goto fallback; } /* Avoid multiple overwrites to default regd, during core @@ -7139,7 +7171,7 @@ static int ath11k_reg_chan_list_event(struct ath11k_base *ab, if (ab->default_regd[pdev_idx] && !ab->new_regd[pdev_idx] && !memcmp((char *)ab->default_regd[pdev_idx]->alpha2, (char *)reg_info->alpha2, 2)) - goto mem_free; + goto retfail; /* Intersect new rules with default regd if a new country setting was * requested, i.e a default regd was already set during initialization @@ -7151,13 +7183,24 @@ static int ath11k_reg_chan_list_event(struct ath11k_base *ab, !ath11k_reg_is_world_alpha((char *)reg_info->alpha2)) intersect = true; - regd = ath11k_reg_build_regd(ab, reg_info, intersect, - WMI_VDEV_TYPE_AP, IEEE80211_REG_LPI_AP); + ar = ab->pdevs[pdev_idx].ar; + vdev_type = ath11k_reg_get_ar_vdev_type(ar); + + ath11k_dbg(ab, ATH11K_DBG_WMI, + "wmi handle chan list power type %d vdev type %d intersect %d\n", + power_type, vdev_type, intersect); + + regd = ath11k_reg_build_regd(ab, reg_info, intersect, vdev_type, power_type); if (!regd) { ath11k_warn(ab, "failed to build regd from reg_info\n"); goto fallback; } + if (power_type == IEEE80211_REG_UNSET_AP) { + ath11k_reg_reset_info(&ab->reg_info_store[pdev_idx]); + ab->reg_info_store[pdev_idx] = *reg_info; + } + spin_lock(&ab->base_lock); if (ab->default_regd[pdev_idx]) { /* The initial rules from FW after WMI Init is to build @@ -7180,7 +7223,7 @@ static int ath11k_reg_chan_list_event(struct ath11k_base *ab, ab->dfs_region = reg_info->dfs_region; spin_unlock(&ab->base_lock); - goto mem_free; + return 0; fallback: /* Fallback to older reg (by sending previous country setting @@ -7192,20 +7235,44 @@ static int ath11k_reg_chan_list_event(struct ath11k_base *ab, */ /* TODO: This is rare, but still should also be handled */ WARN_ON(1); -mem_free: - if (reg_info) { - kfree(reg_info->reg_rules_2ghz_ptr); - kfree(reg_info->reg_rules_5ghz_ptr); - if (reg_info->is_ext_reg_event) { - for (i = 0; i < WMI_REG_CURRENT_MAX_AP_TYPE; i++) - kfree(reg_info->reg_rules_6ghz_ap_ptr[i]); - for (j = 0; j < WMI_REG_CURRENT_MAX_AP_TYPE; j++) - for (i = 0; i < WMI_REG_MAX_CLIENT_TYPE; i++) - kfree(reg_info->reg_rules_6ghz_client_ptr[j][i]); - } - kfree(reg_info); +retfail: + + return -EINVAL; +} + +static int ath11k_reg_chan_list_event(struct ath11k_base *ab, struct sk_buff *skb, + enum wmi_reg_chan_list_cmd_type id) +{ + struct cur_regulatory_info *reg_info; + int ret; + + reg_info = kzalloc(sizeof(*reg_info), GFP_ATOMIC); + if (!reg_info) + return -ENOMEM; + + if (id == WMI_REG_CHAN_LIST_CC_ID) + ret = ath11k_pull_reg_chan_list_update_ev(ab, skb, reg_info); + else + ret = ath11k_pull_reg_chan_list_ext_update_ev(ab, skb, reg_info); + + if (ret) { + ath11k_warn(ab, "failed to extract regulatory info\n"); + goto mem_free; + } + + ret = ath11k_reg_handle_chan_list(ab, reg_info, IEEE80211_REG_UNSET_AP); + if (ret) { + ath11k_warn(ab, "failed to process regulatory info %d\n", ret); + goto mem_free; } + + kfree(reg_info); + return 0; + +mem_free: + ath11k_reg_reset_info(reg_info); + kfree(reg_info); return ret; } diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index ff0a9a92beeb..d46c70704774 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -4951,6 +4951,7 @@ struct ath11k_targ_cap { }; enum wmi_vdev_type { + WMI_VDEV_TYPE_UNSPEC = 0, WMI_VDEV_TYPE_AP = 1, WMI_VDEV_TYPE_STA = 2, WMI_VDEV_TYPE_IBSS = 3, @@ -6480,4 +6481,8 @@ int ath11k_wmi_pdev_set_bios_geo_table_param(struct ath11k *ar); int ath11k_wmi_sta_keepalive(struct ath11k *ar, const struct wmi_sta_keepalive_arg *arg); +void ath11k_reg_reset_info(struct cur_regulatory_info *reg_info); +int ath11k_reg_handle_chan_list(struct ath11k_base *ab, + struct cur_regulatory_info *reg_info, + enum ieee80211_ap_reg_power power_type); #endif