From patchwork Tue Jan 5 03:08:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gong X-Patchwork-Id: 11998023 X-Patchwork-Delegate: johannes@sipsolutions.net 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,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 CF0F6C433E0 for ; Tue, 5 Jan 2021 03:08:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AEB122582 for ; Tue, 5 Jan 2021 03:08:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728587AbhAEDIR (ORCPT ); Mon, 4 Jan 2021 22:08:17 -0500 Received: from so254-31.mailgun.net ([198.61.254.31]:22953 "EHLO so254-31.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727979AbhAEDIR (ORCPT ); Mon, 4 Jan 2021 22:08:17 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1609816073; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=T3sRsCklDqwEnhFENfjHn40k0ckNHWhDRrRwtrFF/hc=; b=Dv8QtN4D5GlX8AgiegdeDc5riQB5V0oOQhQV6pFyQDBliHug0Wvh5BRrJr0U3V/VyqcJMQQG Y4oiGqeorR2MP5UBfKXDA10KJSseI0A8OWEQUP2kiV1fbQhiTJ1MZ0kgf2SSvDvtHMstZw0k IKC5olxWeZBSEkcvqbAodHKb5ak= X-Mailgun-Sending-Ip: 198.61.254.31 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-n02.prod.us-west-2.postgun.com with SMTP id 5ff3d801b100ecf37a7b677b (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 05 Jan 2021 03:07:45 GMT Sender: wgong=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 73D73C43462; Tue, 5 Jan 2021 03:07:45 +0000 (UTC) Received: from gongwen-ThinkPad-T420.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 855AAC433C6; Tue, 5 Jan 2021 03:07:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 855AAC433C6 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=wgong@codeaurora.org From: Wen Gong To: ath11k@lists.infradead.org, johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, wgong@codeaurora.org Subject: [PATCH v3 2/2] mac80211: do intersection with he mcs and nss set of peer and own Date: Tue, 5 Jan 2021 11:08:40 +0800 Message-Id: <1609816120-9411-3-git-send-email-wgong@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1609816120-9411-1-git-send-email-wgong@codeaurora.org> References: <1609816120-9411-1-git-send-email-wgong@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org For VHT capbility, it has intersection of mcs and nss for peer in function ieee80211_vht_cap_ie_to_sta_vht_cap. For HE capbility, it does not have intersection. This patch is do intersection for HE capbility. Signed-off-by: Wen Gong --- net/mac80211/he.c | 94 ++++++++++++++++++++++++++++++++++++++ net/mac80211/ieee80211_i.h | 5 ++ 2 files changed, 99 insertions(+) diff --git a/net/mac80211/he.c b/net/mac80211/he.c index cc26f239838b..1850f9899726 100644 --- a/net/mac80211/he.c +++ b/net/mac80211/he.c @@ -52,6 +52,59 @@ ieee80211_update_from_he_6ghz_capa(const struct ieee80211_he_6ghz_capa *he_6ghz_ sta->sta.he_6ghz_capa = *he_6ghz_capa; } +void +ieee80211_he_mcs_disable(u16 *he_mcs) +{ + u32 i; + + for (i = 0; i < 8; i++) + *he_mcs |= cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2); +} + +void +ieee80211_he_mcs_intersection(u16 *he_own_rx, u16 *he_peer_rx, + u16 *he_own_tx, u16 *he_peer_tx) +{ + u32 i; + u16 own_rx, own_tx, peer_rx, peer_tx; + + for (i = 0; i < 8; i++) { + own_rx = le16_to_cpu(*he_own_rx); + own_rx = (own_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED; + + own_tx = le16_to_cpu(*he_own_tx); + own_tx = (own_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED; + + peer_rx = le16_to_cpu(*he_peer_rx); + peer_rx = (peer_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED; + + peer_tx = le16_to_cpu(*he_peer_tx); + peer_tx = (peer_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED; + + if (peer_tx != IEEE80211_HE_MCS_NOT_SUPPORTED) { + if (own_rx == IEEE80211_HE_MCS_NOT_SUPPORTED) + peer_tx = IEEE80211_HE_MCS_NOT_SUPPORTED; + else if (own_rx < peer_tx) + peer_tx = own_rx; + } + + if (peer_rx != IEEE80211_HE_MCS_NOT_SUPPORTED) { + if (own_tx == IEEE80211_HE_MCS_NOT_SUPPORTED) + peer_rx = IEEE80211_HE_MCS_NOT_SUPPORTED; + else if (own_tx < peer_rx) + peer_rx = own_tx; + } + + *he_peer_rx &= + ~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2); + *he_peer_rx |= cpu_to_le16(peer_rx << i * 2); + + *he_peer_tx &= + ~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2); + *he_peer_tx |= cpu_to_le16(peer_tx << i * 2); + } +} + void ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, @@ -60,10 +113,12 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, struct sta_info *sta) { struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap; + struct ieee80211_sta_he_cap own_he_cap = sband->iftype_data->he_cap; struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie; u8 he_ppe_size; u8 mcs_nss_size; u8 he_total_size; + bool own_160, peer_160, own_80p80, peer_80p80; memset(he_cap, 0, sizeof(*he_cap)); @@ -101,6 +156,45 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa) ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, sta); + + ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80, + &he_cap->he_mcs_nss_supp.rx_mcs_80, + &own_he_cap.he_mcs_nss_supp.tx_mcs_80, + &he_cap->he_mcs_nss_supp.tx_mcs_80); + + own_160 = !!(own_he_cap.he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G); + peer_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G); + + if (peer_160 && own_160) { + ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_160, + &he_cap->he_mcs_nss_supp.rx_mcs_160, + &own_he_cap.he_mcs_nss_supp.tx_mcs_160, + &he_cap->he_mcs_nss_supp.tx_mcs_160); + } else if (peer_160 && !own_160) { + ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_160); + ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_160); + he_cap->he_cap_elem.phy_cap_info[0] &= + ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; + } + + own_80p80 = !!(own_he_cap.he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G); + peer_80p80 = !!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G); + + if (peer_80p80 && own_80p80) { + ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80p80, + &he_cap->he_mcs_nss_supp.rx_mcs_80p80, + &own_he_cap.he_mcs_nss_supp.tx_mcs_80p80, + &he_cap->he_mcs_nss_supp.tx_mcs_80p80); + } else if (peer_80p80 && !own_80p80) { + ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_80p80); + ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_80p80); + he_cap->he_cap_elem.phy_cap_info[0] &= + ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; + } } void diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 2a21226fb518..93c8e8d0b9e3 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1915,6 +1915,11 @@ ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta); /* HE */ void +ieee80211_he_mcs_disable(u16 *he_mcs); +void +ieee80211_he_mcs_intersection(u16 *he_own_rx, u16 *he_peer_rx, + u16 *he_own_tx, u16 *he_peer_tx); +void ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, const u8 *he_cap_ie, u8 he_cap_len,