From patchwork Fri Aug 20 12:20:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 500815 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 9A39FC4320A for ; Fri, 20 Aug 2021 12:21:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84EE260F45 for ; Fri, 20 Aug 2021 12:21:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239917AbhHTMWB (ORCPT ); Fri, 20 Aug 2021 08:22:01 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:53290 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240613AbhHTMV5 (ORCPT ); Fri, 20 Aug 2021 08:21:57 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1629462079; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=x/Cgq183T9f89XOOcwri40VOSTuVlC/dB43M5oaeiNc=; b=rDH0GxiEaYjkJPldProZUbwBGhx8d8sZQ1k2I8d0cCWgmRpHyhIxh4o1xxHtpqib+kcJXRAB OxbCE4rcSKq5LQ5xj/C5qMEo0+TD9jilVLte/lnFmJsfPj0C9SYAe/AT6ZylJ4eitv/caqRN yz+fFWt0kQ7xW3uMBe6O+ZOdv7s= X-Mailgun-Sending-Ip: 69.72.43.7 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 smtp-out-n07.prod.us-east-1.postgun.com with SMTP id 611f9e2d0f9b337f11cd3ab6 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 20 Aug 2021 12:21:01 GMT Sender: wgong=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4FE75C43460; Fri, 20 Aug 2021 12:21:01 +0000 (UTC) Received: from wgong-HP3-Z230-SFF-Workstation.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wgong) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9CEC0C43460; Fri, 20 Aug 2021 12:20:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 9CEC0C43460 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=fail smtp.mailfrom=codeaurora.org From: Wen Gong To: johannes@sipsolutions.net, ath11k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, wgong@codeaurora.org Subject: [PATCH v2 8/8] mac80211: save transmit power envelope element and power constraint Date: Fri, 20 Aug 2021 08:20:41 -0400 Message-Id: <20210820122041.12157-9-wgong@codeaurora.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210820122041.12157-1-wgong@codeaurora.org> References: <20210820122041.12157-1-wgong@codeaurora.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is to save the transmit power envelope element and power constraint in struct ieee80211_bss_conf for 6 GHz. Lower driver will use this info to calculate the power limit. Signed-off-by: Wen Gong --- include/net/mac80211.h | 6 ++++++ net/mac80211/chan.c | 9 +++++++++ net/mac80211/mlme.c | 26 ++++++++++++++++++++++++++ 3 files changed, 41 insertions(+) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index e89530d0d9c6..6e11e122e364 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -631,6 +631,9 @@ struct ieee80211_fils_discovery { * @s1g: BSS is S1G BSS (affects Association Request format). * @beacon_tx_rate: The configured beacon transmit rate that needs to be passed * to driver when rate control is offloaded to firmware. + * @tx_pwr_env: transmit power envelope array of BSS. + * @tx_pwr_env_num: number of @tx_pwr_env. + * @pwr_reduction: power constraint of BSS. */ struct ieee80211_bss_conf { const u8 *bssid; @@ -700,6 +703,9 @@ struct ieee80211_bss_conf { u32 unsol_bcast_probe_resp_interval; bool s1g; struct cfg80211_bitrate_mask beacon_tx_rate; + struct ieee80211_tx_pwr_env tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT]; + u8 tx_pwr_env_num; + u8 pwr_reduction; }; /** diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 907bb1f748a1..149d4ac798f6 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -721,6 +721,15 @@ static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata, lockdep_is_held(&local->chanctx_mtx)); if (conf) { + if (conf->def.chan->band == NL80211_BAND_6GHZ) { + struct ieee80211_bss_conf *bss_conf; + + bss_conf = &sdata->vif.bss_conf; + bss_conf->pwr_reduction = 0; + bss_conf->tx_pwr_env_num = 0; + memset(bss_conf->tx_pwr_env, 0, sizeof(bss_conf->tx_pwr_env)); + } + curr_ctx = container_of(conf, struct ieee80211_chanctx, conf); drv_unassign_vif_chanctx(local, sdata, curr_ctx); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 2480bd0577bb..a6d66b4ad7ee 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -5070,6 +5070,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) { const struct cfg80211_bss_ies *ies; + struct ieee80211_bss_conf *bss_conf; const u8 *he_oper_ie; ies = rcu_dereference(cbss->ies); @@ -5081,6 +5082,31 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, else he_oper = NULL; + if (is_6ghz) { + struct ieee802_11_elems elems; + u8 i, j = 0; + + ieee802_11_parse_elems(ies->data, ies->len, false, &elems, + NULL, NULL); + + if (elems.pwr_constr_elem) + bss_conf->pwr_reduction = *elems.pwr_constr_elem; + + BUILD_BUG_ON(ARRAY_SIZE(bss_conf->tx_pwr_env) != + ARRAY_SIZE(elems.tx_pwr_env)); + + for (i = 0; i < elems.tx_pwr_env_num; i++) { + if (elems.tx_pwr_env_len[i] > + sizeof(bss_conf->tx_pwr_env[j])) + continue; + + bss_conf->tx_pwr_env_num++; + memcpy(&bss_conf->tx_pwr_env[j], elems.tx_pwr_env[i], + elems.tx_pwr_env_len[i]); + j++; + } + } + if (!ieee80211_verify_sta_he_mcs_support(sband, he_oper)) ifmgd->flags |= IEEE80211_STA_DISABLE_HE; }