From patchwork Thu Apr 30 22:20:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajkumar Manoharan X-Patchwork-Id: 11521803 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4EC9B1392 for ; Thu, 30 Apr 2020 22:21:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 319B3207DD for ; Thu, 30 Apr 2020 22:21:38 +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="N3dUYqEV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727850AbgD3WVh (ORCPT ); Thu, 30 Apr 2020 18:21:37 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:15153 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726817AbgD3WVg (ORCPT ); Thu, 30 Apr 2020 18:21:36 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1588285295; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NytPtoFqAGejpXeuYyGvbqZ8RhcyRE8u4MR1LKbWK2Q=; b=N3dUYqEV9oXDy1n5gSKB2qsOAEVKnSpMNSmmgsFULVRX357Jkd+M760qN7XpS2ytRnayrnN8 625zlgZ0G7y1dw6MnS/Ap0TF/kLUC9RLrGpPY/xLfbhc7IRX5rA6Yb2kTlxRXBrVI90KarXe B2WCOSjqRuzSatowltt9HCnfbOQ= 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 5eab4f5b.7f1065d21308-smtp-out-n02; Thu, 30 Apr 2020 22:21:15 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6F90CC432C2; Thu, 30 Apr 2020 22:21:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from rmanohar-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rmanohar) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9BAF9C433BA; Thu, 30 Apr 2020 22:21:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9BAF9C433BA 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=rmanohar@codeaurora.org From: Rajkumar Manoharan To: johannes@sipsolutions.net, kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Rajkumar Manoharan Subject: [PATCH v2 06/11] mac80211: handle HE 6 GHz Capability in HE STA processing Date: Thu, 30 Apr 2020 15:20:47 -0700 Message-Id: <1588285252-30034-6-git-send-email-rmanohar@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1588285252-30034-1-git-send-email-rmanohar@codeaurora.org> References: <1588285252-30034-1-git-send-email-rmanohar@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org During association or mesh peering of HE STA in 6 GHz band, required HT/VHT information has to be processed from 6 GHz band capabilities as HT/VHT IEs are not allowed in 6 GHz. Signed-off-by: Rajkumar Manoharan --- include/net/cfg80211.h | 10 +++++++++ net/mac80211/cfg.c | 3 ++- net/mac80211/he.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++ net/mac80211/ieee80211_i.h | 2 ++ net/mac80211/mesh_plink.c | 4 +++- net/mac80211/mlme.c | 1 + 6 files changed, 69 insertions(+), 2 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 0797a296c083..2c7bfc170604 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -332,15 +332,25 @@ struct ieee80211_sta_vht_cap { * to describe 802.11ax HE capabilities for a STA. * * @has_he: true iff HE data is valid. + * @has_he_6ghz: true iff HE 6 GHz data is valid. * @he_cap_elem: Fixed portion of the HE capabilities element. * @he_mcs_nss_supp: The supported NSS/MCS combinations. * @ppe_thres: Holds the PPE Thresholds data. + * @ampdu_factor: Maximum A-MPDU length factor used in 6 GHz. + * @ampdu_density: Minimum A-MPDU spacing used in 6 GHz. + * @cap: HE 6 GHz Band capability. */ struct ieee80211_sta_he_cap { bool has_he; + bool has_he_6ghz; struct ieee80211_he_cap_elem he_cap_elem; struct ieee80211_he_mcs_nss_supp he_mcs_nss_supp; u8 ppe_thres[IEEE80211_HE_PPE_THRES_MAX_LEN]; + struct { + u8 ampdu_factor; + u8 ampdu_density; + u16 cap; + } he_6ghz; }; /** diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 0f72813fed53..591c3c7324e3 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1508,7 +1508,8 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (params->he_capa) ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, (void *)params->he_capa, - params->he_capa_len, sta); + params->he_capa_len, + params->he_6ghz_capa, sta); if (params->opmode_notif_used) { /* returned value is only needed for rc update, but the diff --git a/net/mac80211/he.c b/net/mac80211/he.c index f520552b22be..4376fa5e6336 100644 --- a/net/mac80211/he.c +++ b/net/mac80211/he.c @@ -12,10 +12,14 @@ 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, + const struct ieee80211_he_6ghz_band_cap + *he_6ghz_cap_ie, struct sta_info *sta) { struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap; struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie; + enum ieee80211_smps_mode smps_mode; + u16 cap; u8 he_ppe_size; u8 mcs_nss_size; u8 he_total_size; @@ -53,6 +57,53 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta); sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta); + + if (!he_6ghz_cap_ie) + return; + + cap = __le16_to_cpu(he_6ghz_cap_ie->capab); + + he_cap->he_6ghz.ampdu_density = + FIELD_GET(IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START_SPACE_MASK, + cap); + he_cap->he_6ghz.ampdu_factor = + FIELD_GET(IEEE80211_HE_6GHZ_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, + cap); + + switch (FIELD_GET(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LENGTH_MASK, cap)) { + case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: + sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454; + break; + case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: + sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991; + break; + case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: + default: + sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895; + break; + } + + switch (FIELD_GET(IEEE80211_HE_6GHZ_CAP_SMPS_MASK, cap)) { + case WLAN_HT_CAP_SM_PS_INVALID: + case WLAN_HT_CAP_SM_PS_STATIC: + smps_mode = IEEE80211_SMPS_STATIC; + break; + case WLAN_HT_CAP_SM_PS_DYNAMIC: + smps_mode = IEEE80211_SMPS_DYNAMIC; + break; + case WLAN_HT_CAP_SM_PS_DISABLED: + smps_mode = IEEE80211_SMPS_OFF; + break; + } + + if (sta->sdata->vif.type == NL80211_IFTYPE_AP || + sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sta->sta.smps_mode = smps_mode; + else + sta->sta.smps_mode = IEEE80211_SMPS_OFF; + + he_cap->he_6ghz.cap = cap; + he_cap->has_he_6ghz = true; } void diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 5e33746d7210..78a95a11458c 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1892,6 +1892,8 @@ 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, + const struct ieee80211_he_6ghz_band_cap + *he_6ghz_cap_ie, struct sta_info *sta); void ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 737c5f4dbf52..e3e29b8d641d 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -441,7 +441,9 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, elems->vht_cap_elem, sta); ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap, - elems->he_cap_len, sta); + elems->he_cap_len, + elems->he_6ghz_cap_elem, + sta); if (bw != sta->sta.bandwidth) changed |= IEEE80211_RC_BW_CHANGED; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 16d75da0996a..58a082efc3b3 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3381,6 +3381,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap, elems->he_cap_len, + elems->he_6ghz_cap_elem, sta); bss_conf->he_support = sta->sta.he_cap.has_he;