From patchwork Mon May 18 16:44:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pradeep Kumar Chitrapu X-Patchwork-Id: 215581 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8404FC433E1 for ; Mon, 18 May 2020 16:44:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C9C1207E8 for ; Mon, 18 May 2020 16:44:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="kyZ9ZYEh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728507AbgERQol (ORCPT ); Mon, 18 May 2020 12:44:41 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:42477 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727035AbgERQol (ORCPT ); Mon, 18 May 2020 12:44:41 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1589820279; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=yxfpE4G4ntAoG1Cr1ZDeT9Xz/5sVkKcObHX4tPffuic=; b=kyZ9ZYEhVfMDWF15VE5Eu9whudAO3vb98UGpC06j9r3wREDsdKebJHFBi4d2Z/egsmDf14G/ gFC4O2Ccsm21/7jYOiemH7RlEVnSwn7eSQvEmVcZr+b521HXWkcKtnf/TDjTAmatuYiEKP1K 1qLqMLgxs85zJChIAkSckNaMS74= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5ec2bb75.7fe0a9ea79d0-smtp-out-n04; Mon, 18 May 2020 16:44:37 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6D038C43637; Mon, 18 May 2020 16:44:37 +0000 (UTC) Received: from pradeepc2-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pradeepc) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7B0A2C433F2; Mon, 18 May 2020 16:44:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7B0A2C433F2 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=pradeepc@codeaurora.org From: Pradeep Kumar Chitrapu To: Johannes Berg , ath11k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Pradeep Kumar Chitrapu Subject: [PATCH 9/9] ath11k: Add support for 6g scan hint Date: Mon, 18 May 2020 09:44:24 -0700 Message-Id: <20200518164424.29497-10-pradeepc@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200518164424.29497-1-pradeepc@codeaurora.org> References: <20200518164424.29497-1-pradeepc@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add support for 6Ghz short ssid and bssid hint mechanism as part of scan command. Signed-off-by: Pradeep Kumar Chitrapu --- drivers/net/wireless/ath/ath11k/wmi.c | 72 +++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/wmi.h | 22 ++++++++ 2 files changed, 94 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index a88278ba5fec..d745f8883cbd 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -2005,6 +2005,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar, int i, ret, len; u32 *tmp_ptr; u8 extraie_len_with_pad = 0; + struct hint_short_ssid *s_ssid = NULL; + struct hint_bssid *hint_bssid = NULL; len = sizeof(*cmd); @@ -2026,6 +2028,14 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar, roundup(params->extraie.len, sizeof(u32)); len += extraie_len_with_pad; + if (params->num_hint_bssid) + len += TLV_HDR_SIZE + + params->num_hint_bssid * sizeof(struct hint_bssid); + + if (params->num_hint_s_ssid) + len += TLV_HDR_SIZE + + params->num_hint_s_ssid * sizeof(struct hint_short_ssid); + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); if (!skb) return -ENOMEM; @@ -2126,6 +2136,68 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar, ptr += extraie_len_with_pad; + if (params->num_hint_s_ssid) { + len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + s_ssid = ptr; + for (i = 0; i < params->num_hint_s_ssid; ++i) { + s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags; + s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid; + s_ssid++; + } + ptr += len; + } + + if (params->num_hint_bssid) { + len = params->num_hint_bssid * sizeof(struct hint_bssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + hint_bssid = ptr; + for (i = 0; i < params->num_hint_bssid; ++i) { + hint_bssid->freq_flags = + params->hint_bssid[i].freq_flags; + ether_addr_copy(¶ms->hint_bssid[i].bssid.addr[0], + &hint_bssid->bssid.addr[0]); + hint_bssid++; + } + } + + len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + if (params->num_hint_s_ssid) { + s_ssid = ptr; + for (i = 0; i < params->num_hint_s_ssid; ++i) { + s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags; + s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid; + s_ssid++; + } + } + ptr += len; + + len = params->num_hint_bssid * sizeof(struct hint_bssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + if (params->num_hint_bssid) { + hint_bssid = ptr; + for (i = 0; i < params->num_hint_bssid; ++i) { + hint_bssid->freq_flags = + params->hint_bssid[i].freq_flags; + ether_addr_copy(¶ms->hint_bssid[i].bssid.addr[0], + &hint_bssid->bssid.addr[0]); + hint_bssid++; + } + } + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_START_SCAN_CMDID); if (ret) { diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 319ad7241e01..1162bd7a5f87 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -50,6 +50,14 @@ struct wmi_tlv { #define WMI_MAX_MEM_REQS 32 #define ATH11K_MAX_HW_LISTEN_INTERVAL 5 +#define WLAN_SCAN_MAX_HINT_S_SSID 10 +#define WLAN_SCAN_MAX_HINT_BSSID 10 +#define MAX_RNR_BSS 5 + +#define WLAN_SCAN_MAX_HINT_S_SSID 10 +#define WLAN_SCAN_MAX_HINT_BSSID 10 +#define MAX_RNR_BSS 5 + #define WLAN_SCAN_PARAMS_MAX_SSID 16 #define WLAN_SCAN_PARAMS_MAX_BSSID 4 #define WLAN_SCAN_PARAMS_MAX_IE_LEN 256 @@ -3105,6 +3113,16 @@ enum { ((flag) |= (((mode) << WMI_SCAN_DWELL_MODE_SHIFT) & \ WMI_SCAN_DWELL_MODE_MASK)) +struct hint_short_ssid { + u32 freq_flags; + u32 short_ssid; +}; + +struct hint_bssid { + u32 freq_flags; + struct wmi_mac_addr bssid; +}; + struct scan_req_params { u32 scan_id; u32 scan_req_id; @@ -3184,6 +3202,10 @@ struct scan_req_params { struct element_info extraie; struct element_info htcap; struct element_info vhtcap; + u32 num_hint_s_ssid; + u32 num_hint_bssid; + struct hint_short_ssid hint_s_ssid[WLAN_SCAN_MAX_HINT_S_SSID]; + struct hint_bssid hint_bssid[WLAN_SCAN_MAX_HINT_BSSID]; }; struct wmi_ssid_arg {