From patchwork Mon Jan 8 08:25:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kang Yang X-Patchwork-Id: 761773 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A99288F45 for ; Mon, 8 Jan 2024 08:26:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="oD7+0XTj" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40879t4f018736; Mon, 8 Jan 2024 08:26:29 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=kskfmRNQqwhkkHGtJemhkOQpmXlRT8nRbcC462VpJh0=; b=oD 7+0XTjtXfqz7ZQPAC8L4siVbu0dALLWI7EGVuxm8tZMe94xUj9xIEvrGUhRh4KQo nUh53nIW6V5cMbk7av73Jthz3+/nT2i+dWpAHeTg5YN5AfsxSztjrNWtT6Guicia x3jM8agrycVuFtuU9gi9ubr3KBkj6CIQxYobwcXeCdgO0tVs1N/2e8tTXTKNtZ5X rJT5H7hpBTayjG2BSo7AFAfT0QyXst89T6FsfJmdv0+36wngOIDno/uSTmbl9V+4 l6rtzoMcAvry/mlu6yA4+eIMmOtSUA0hIq6JR1I7yKt6Xclyq8dnKkCo+C6trijF 7lNhVtecYagfHrD66C3A== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vfxrk16sp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jan 2024 08:26:29 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4088QSt9026363 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 8 Jan 2024 08:26:28 GMT Received: from yk-E5440.local (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 8 Jan 2024 00:26:27 -0800 From: Kang Yang To: CC: , Subject: [PATCH 02/10] wifi: ath12k: add P2P IE in beacon template Date: Mon, 8 Jan 2024 16:25:44 +0800 Message-ID: <20240108082552.7227-3-quic_kangyang@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240108082552.7227-1-quic_kangyang@quicinc.com> References: <20240108082552.7227-1-quic_kangyang@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 07BG0AlihoiA30bIM99eLVl-RjY2wK8I X-Proofpoint-ORIG-GUID: 07BG0AlihoiA30bIM99eLVl-RjY2wK8I 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 spamscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 impostorscore=0 suspectscore=0 mlxscore=0 clxscore=1015 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401080070 P2P Element is a necessary component of P2P protocol communication. It contains the Vendor Specific Information Element which includes the WFA OUI and an OUI Type indicating P2P. Add P2P IE in beacon template, and implement WMI interface for it. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Kang Yang --- drivers/net/wireless/ath/ath12k/mac.c | 85 ++++++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/wmi.c | 38 ++++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 8 +++ 3 files changed, 129 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 813808aeba32..05dc3612088e 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -1122,6 +1122,64 @@ static int ath12k_mac_op_config(struct ieee80211_hw *hw, u32 changed) return ret; } +static int ath12k_mac_setup_bcn_p2p_ie(struct ath12k_vif *arvif, + struct sk_buff *bcn) +{ + struct ath12k *ar = arvif->ar; + struct ieee80211_mgmt *mgmt; + const u8 *p2p_ie; + int ret; + + mgmt = (void *)bcn->data; + p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, + mgmt->u.beacon.variable, + bcn->len - (mgmt->u.beacon.variable - + bcn->data)); + if (!p2p_ie) { + ath12k_warn(ar->ab, "no P2P ie found in beacon\n"); + return -ENOENT; + } + + ret = ath12k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); + if (ret) { + ath12k_warn(ar->ab, "failed to submit P2P GO bcn ie for vdev %i: %d\n", + arvif->vdev_id, ret); + return ret; + } + + return 0; +} + +static int ath12k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, + u8 oui_type, size_t ie_offset) +{ + size_t len; + const u8 *next; + const u8 *end; + u8 *ie; + + if (WARN_ON(skb->len < ie_offset)) + return -EINVAL; + + ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, + skb->data + ie_offset, + skb->len - ie_offset); + if (!ie) + return -ENOENT; + + len = ie[1] + 2; + end = skb->data + skb->len; + next = ie + len; + + if (WARN_ON(next > end)) + return -EINVAL; + + memmove(ie, next, end - next); + skb_trim(skb, skb->len - len); + + return 0; +} + static int ath12k_mac_setup_bcn_tmpl(struct ath12k_vif *arvif) { struct ath12k *ar = arvif->ar; @@ -1154,14 +1212,37 @@ static int ath12k_mac_setup_bcn_tmpl(struct ath12k_vif *arvif) ies, (skb_tail_pointer(bcn) - ies))) arvif->wpaie_present = true; - ret = ath12k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn); + if (arvif->vif->type == NL80211_IFTYPE_AP && arvif->vif->p2p) { + ret = ath12k_mac_setup_bcn_p2p_ie(arvif, bcn); + if (ret) { + ath12k_warn(ab, "failed to setup P2P GO bcn ie: %d\n", + ret); + goto free_bcn_skb; + } - kfree_skb(bcn); + /* P2P IE is inserted by firmware automatically (as + * configured above) so remove it from the base beacon + * template to avoid duplicate P2P IEs in beacon frames. + */ + ret = ath12k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, + WLAN_OUI_TYPE_WFA_P2P, + offsetof(struct ieee80211_mgmt, + u.beacon.variable)); + if (ret) { + ath12k_warn(ab, "failed to remove P2P vendor ie: %d\n", + ret); + goto free_bcn_skb; + } + } + + ret = ath12k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn); if (ret) ath12k_warn(ab, "failed to submit beacon template command: %d\n", ret); +free_bcn_skb: + kfree_skb(bcn); return ret; } diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 11cc3005c0f9..23bb6477cc21 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -1710,6 +1710,44 @@ int ath12k_wmi_send_bcn_offload_control_cmd(struct ath12k *ar, return ret; } +int ath12k_wmi_p2p_go_bcn_ie(struct ath12k *ar, u32 vdev_id, + const u8 *p2p_ie) +{ + struct ath12k_wmi_pdev *wmi = ar->wmi; + struct wmi_p2p_go_set_beacon_ie_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + void *ptr; + int ret, len; + size_t p2p_ie_len = p2p_ie[1] + 2; + + len = sizeof(*cmd) + TLV_HDR_SIZE + aligned_len; + + skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + ptr = skb->data; + cmd = ptr; + cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_P2P_GO_SET_BEACON_IE, + sizeof(*cmd)); + cmd->vdev_id = cpu_to_le32(vdev_id); + cmd->ie_buf_len = cpu_to_le32(p2p_ie_len); + + ptr = skb->data + sizeof(*cmd); + tlv = ptr; + tlv->header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_ARRAY_BYTE, + roundup(p2p_ie_len, sizeof(u32))); + memcpy(tlv->value, p2p_ie, p2p_ie_len); + + ret = ath12k_wmi_cmd_send(wmi, skb, WMI_P2P_GO_SET_BEACON_IE); + if (ret) { + ath12k_warn(ar->ab, "failed to send WMI_P2P_GO_SET_BEACON_IE\n"); + dev_kfree_skb(skb); + } + + return ret; +} + int ath12k_wmi_bcn_tmpl(struct ath12k *ar, u32 vdev_id, struct ieee80211_mutable_offsets *offs, struct sk_buff *bcn) diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 06e5b9b4049b..a3bdc6233790 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -3503,6 +3503,12 @@ struct wmi_bcn_tmpl_cmd { __le32 esp_ie_offset; } __packed; +struct wmi_p2p_go_set_beacon_ie_cmd { + __le32 tlv_header; + __le32 vdev_id; + __le32 ie_buf_len; +} __packed; + struct wmi_vdev_install_key_cmd { __le32 tlv_header; __le32 vdev_id; @@ -4806,6 +4812,8 @@ int ath12k_wmi_cmd_send(struct ath12k_wmi_pdev *wmi, struct sk_buff *skb, struct sk_buff *ath12k_wmi_alloc_skb(struct ath12k_wmi_base *wmi_sc, u32 len); int ath12k_wmi_mgmt_send(struct ath12k *ar, u32 vdev_id, u32 buf_id, struct sk_buff *frame); +int ath12k_wmi_p2p_go_bcn_ie(struct ath12k *ar, u32 vdev_id, + const u8 *p2p_ie); int ath12k_wmi_bcn_tmpl(struct ath12k *ar, u32 vdev_id, struct ieee80211_mutable_offsets *offs, struct sk_buff *bcn);