From patchwork Mon Feb 14 16:30:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 12745809 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39BA2C433F5 for ; Mon, 14 Feb 2022 16:30:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356397AbiBNQaa (ORCPT ); Mon, 14 Feb 2022 11:30:30 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356389AbiBNQaW (ORCPT ); Mon, 14 Feb 2022 11:30:22 -0500 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F86E60AB8 for ; Mon, 14 Feb 2022 08:30:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Content-Type:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=E+VQTb/6oqbOJmKq11AjFK4ElJlzMfMPVab0PznaSwk=; t=1644856213; x=1646065813; b=tJ0dGLKFiAEHY7KH+WVAzxMZhJWYXjtA0WJxUwImg2d1AH1 vwK4pKwBZbYgbra7n1MIfqtlQaGDwZcFDJqbRFSl4In/5hYfbdW94ikSrWXuwugOp0EMONvfS/ulu nE27JsWtvHr+zL+/Vrl5+QNFlkIBrF96OnmHCu311jHgyKthv/iPGOKgi6KxqqDjpDoixrwP4MB5s Xp3X6SwfR/7U+cxRez6SNWt/SIAXCuV4OBdFVBmNGY9lQFNjUlUwypHT4ovBGZ07x3rj4NxbylRc3 sG60ljpMYRuZx6y3EgaptWb2vozmzl1J7CgQtH0RJtOS8dOyeEr5Fxkjiy/I6Mcw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.95) (envelope-from ) id 1nJeEt-0011mw-KH; Mon, 14 Feb 2022 17:30:11 +0100 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Ilan Peer Subject: [PATCH v3 13/19] mac80211: Add initial support for EHT and 320 MHz channels Date: Mon, 14 Feb 2022 17:30:00 +0100 Message-Id: <20220214173004.0f144cc0bba6.Iad18111264da87eed5fd7b017f0cc6e58c604e07@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220214173004.9fd154d2c3c2.Ia0cd152357a373149bab017d479ab7d5ded289c0@changeid> References: <20220214173004.9fd154d2c3c2.Ia0cd152357a373149bab017d479ab7d5ded289c0@changeid> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ilan Peer Add initial support for EHT and 320 MHz bandwidth in mac80211. As a new IEEE80211_STA_RX_BW_320 is added to enum ieee80211_sta_rx_bandwidth, update the drivers to avoid compilation warnings. Signed-off-by: Ilan Peer Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 1 + drivers/net/wireless/mac80211_hwsim.c | 1 + include/net/mac80211.h | 2 + net/mac80211/chan.c | 5 +- net/mac80211/ieee80211_i.h | 3 + net/mac80211/mesh.c | 5 +- net/mac80211/mlme.c | 109 +++++++++++--- net/mac80211/util.c | 142 ++++++++++++++----- net/mac80211/vht.c | 4 +- 9 files changed, 213 insertions(+), 59 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index feab0bfcd7a2..da40fd043c0e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -87,6 +87,7 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta, } switch (sta->bandwidth) { + case IEEE80211_STA_RX_BW_320: case IEEE80211_STA_RX_BW_160: add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_160MHZ); fallthrough; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 0054c234fb9a..fdf781548e3f 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2195,6 +2195,7 @@ mac80211_hwsim_sta_rc_update(struct ieee80211_hw *hw, C(40); C(80); C(160); + C(320); #undef C } diff --git a/include/net/mac80211.h b/include/net/mac80211.h index bd6912d0292b..586d3c26c8ac 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2005,6 +2005,7 @@ enum ieee80211_sta_state { * @IEEE80211_STA_RX_BW_80: station can receive up to 80 MHz * @IEEE80211_STA_RX_BW_160: station can receive up to 160 MHz * (including 80+80 MHz) + * @IEEE80211_STA_RX_BW_320: station can receive up to 320 MHz * * Implementation note: 20 must be zero to be initialized * correctly, the values must be sorted. @@ -2014,6 +2015,7 @@ enum ieee80211_sta_rx_bandwidth { IEEE80211_STA_RX_BW_40, IEEE80211_STA_RX_BW_80, IEEE80211_STA_RX_BW_160, + IEEE80211_STA_RX_BW_320, }; /** diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 76fc36a68750..e26d42de14ec 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -218,6 +218,8 @@ static enum nl80211_chan_width ieee80211_get_sta_bw(struct sta_info *sta) * might be smaller than the configured bw (160). */ return NL80211_CHAN_WIDTH_160; + case IEEE80211_STA_RX_BW_320: + return NL80211_CHAN_WIDTH_320; default: WARN_ON(1); return NL80211_CHAN_WIDTH_20; @@ -417,7 +419,7 @@ static void ieee80211_change_chanctx(struct ieee80211_local *local, { u32 changed; - /* expected to handle only 20/40/80/160 channel widths */ + /* expected to handle only 20/40/80/160/320 channel widths */ switch (chandef->width) { case NL80211_CHAN_WIDTH_20_NOHT: case NL80211_CHAN_WIDTH_20: @@ -425,6 +427,7 @@ static void ieee80211_change_chanctx(struct ieee80211_local *local, case NL80211_CHAN_WIDTH_80: case NL80211_CHAN_WIDTH_80P80: case NL80211_CHAN_WIDTH_160: + case NL80211_CHAN_WIDTH_320: break; default: WARN_ON(1); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 538d047d7f27..6a93dfcaad21 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -366,6 +366,8 @@ enum ieee80211_sta_flags { IEEE80211_STA_DISABLE_WMM = BIT(14), IEEE80211_STA_ENABLE_RRM = BIT(15), IEEE80211_STA_DISABLE_HE = BIT(16), + IEEE80211_STA_DISABLE_EHT = BIT(17), + IEEE80211_STA_DISABLE_320MHZ = BIT(18), }; struct ieee80211_mgd_auth_data { @@ -2414,6 +2416,7 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, struct cfg80211_chan_def *chandef); bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, const struct ieee80211_he_operation *he_oper, + const struct ieee80211_eht_operation *eht_oper, struct cfg80211_chan_def *chandef); bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper, struct cfg80211_chan_def *chandef); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 6847fdf93439..1d3b4ad32965 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2008, 2009 open80211s Ltd. - * Copyright (C) 2018 - 2020 Intel Corporation + * Copyright (C) 2018 - 2021 Intel Corporation * Authors: Luis Carlos Cobo * Javier Cardona */ @@ -104,7 +104,8 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata, ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info, ie->vht_operation, ie->ht_operation, &sta_chan_def); - ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, &sta_chan_def); + ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, NULL, + &sta_chan_def); if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef, &sta_chan_def)) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index cb89538571c2..dac0b495ae76 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -149,6 +149,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, const struct ieee80211_ht_operation *ht_oper, const struct ieee80211_vht_operation *vht_oper, const struct ieee80211_he_operation *he_oper, + const struct ieee80211_eht_operation *eht_oper, const struct ieee80211_s1g_oper_ie *s1g_oper, struct cfg80211_chan_def *chandef, bool tracking) { @@ -164,12 +165,14 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, chandef->freq1_offset = channel->freq_offset; if (channel->band == NL80211_BAND_6GHZ) { - if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, chandef)) { + if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, eht_oper, + chandef)) { mlme_dbg(sdata, - "bad 6 GHz operation, disabling HT/VHT/HE\n"); + "bad 6 GHz operation, disabling HT/VHT/HE/EHT\n"); ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT | - IEEE80211_STA_DISABLE_HE; + IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; } else { ret = 0; } @@ -196,7 +199,8 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, mlme_dbg(sdata, "HT operation missing / HT not supported\n"); ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT | - IEEE80211_STA_DISABLE_HE; + IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; goto out; } @@ -219,7 +223,8 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, ht_oper->primary_chan, channel->band); ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT | - IEEE80211_STA_DISABLE_HE; + IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; goto out; } @@ -260,7 +265,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) sdata_info(sdata, "HE AP VHT information is invalid, disabling HE\n"); - ret = IEEE80211_STA_DISABLE_HE; + ret = IEEE80211_STA_DISABLE_HE | IEEE80211_STA_DISABLE_EHT; goto out; } } else if (!ieee80211_chandef_vht_oper(&sdata->local->hw, @@ -340,7 +345,8 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) { ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT | - IEEE80211_STA_DISABLE_HE; + IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; break; } @@ -349,7 +355,11 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, if (!he_oper || !cfg80211_chandef_usable(sdata->wdev.wiphy, chandef, IEEE80211_CHAN_NO_HE)) - ret |= IEEE80211_STA_DISABLE_HE; + ret |= IEEE80211_STA_DISABLE_HE | IEEE80211_STA_DISABLE_EHT; + + if (!eht_oper || !cfg80211_chandef_usable(sdata->wdev.wiphy, chandef, + IEEE80211_CHAN_NO_EHT)) + ret |= IEEE80211_STA_DISABLE_EHT; if (chandef->width != vht_chandef.width && !tracking) sdata_info(sdata, @@ -366,6 +376,7 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, const struct ieee80211_ht_operation *ht_oper, const struct ieee80211_vht_operation *vht_oper, const struct ieee80211_he_operation *he_oper, + const struct ieee80211_eht_operation *eht_oper, const struct ieee80211_s1g_oper_ie *s1g_oper, const u8 *bssid, u32 *changed) { @@ -391,9 +402,16 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, /* don't check HE if we associated as non-HE station */ if (ifmgd->flags & IEEE80211_STA_DISABLE_HE || !ieee80211_get_he_iftype_cap(sband, - ieee80211_vif_type_p2p(&sdata->vif))) - + ieee80211_vif_type_p2p(&sdata->vif))) { he_oper = NULL; + eht_oper = NULL; + } + + /* don't check EHT if we associated as non-EHT station */ + if (ifmgd->flags & IEEE80211_STA_DISABLE_EHT || + !ieee80211_get_eht_iftype_cap(sband, + ieee80211_vif_type_p2p(&sdata->vif))) + eht_oper = NULL; if (WARN_ON_ONCE(!sta)) return -EINVAL; @@ -413,7 +431,8 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, /* calculate new channel (type) based on HT/VHT/HE operation IEs */ flags = ieee80211_determine_chantype(sdata, sband, chan, vht_cap_info, - ht_oper, vht_oper, he_oper, + ht_oper, vht_oper, + he_oper, eht_oper, s1g_oper, &chandef, true); /* @@ -447,9 +466,11 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, if (flags != (ifmgd->flags & (IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT | IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT | IEEE80211_STA_DISABLE_40MHZ | IEEE80211_STA_DISABLE_80P80MHZ | - IEEE80211_STA_DISABLE_160MHZ)) || + IEEE80211_STA_DISABLE_160MHZ | + IEEE80211_STA_DISABLE_320MHZ)) || !cfg80211_chandef_valid(&chandef)) { sdata_info(sdata, "AP %pM changed caps/bw in a way we can't support (0x%x/0x%x) - disconnect\n", @@ -990,13 +1011,14 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) &assoc_data->ap_vht_cap); /* - * If AP doesn't support HT, mark HE as disabled. + * If AP doesn't support HT, mark HE and EHT as disabled. * If on the 5GHz band, make sure it supports VHT. */ if (ifmgd->flags & IEEE80211_STA_DISABLE_HT || (sband->band == NL80211_BAND_5GHZ && ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) - ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) ieee80211_add_he_ie(sdata, skb, sband); @@ -4258,6 +4280,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, if (ieee80211_config_bw(sdata, sta, elems->ht_cap_elem, elems->vht_cap_elem, elems->ht_operation, elems->vht_operation, elems->he_operation, + elems->eht_operation, elems->s1g_oper, bssid, &changed)) { mutex_unlock(&local->sta_mtx); sdata_info(sdata, @@ -5185,6 +5208,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, const struct ieee80211_ht_operation *ht_oper = NULL; const struct ieee80211_vht_operation *vht_oper = NULL; const struct ieee80211_he_operation *he_oper = NULL; + const struct ieee80211_eht_operation *eht_oper = NULL; const struct ieee80211_s1g_oper_ie *s1g_oper = NULL; struct ieee80211_supported_band *sband; struct cfg80211_chan_def chandef; @@ -5215,22 +5239,31 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, /* disable HT/VHT/HE if we don't support them */ if (!sband->ht_cap.ht_supported && !is_6ghz) { - mlme_dbg(sdata, "HT not supported, disabling HT/VHT/HE\n"); + mlme_dbg(sdata, "HT not supported, disabling HT/VHT/HE/EHT\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; } if (!sband->vht_cap.vht_supported && is_5ghz) { - mlme_dbg(sdata, "VHT not supported, disabling VHT/HE\n"); + mlme_dbg(sdata, "VHT not supported, disabling VHT/HE/EHT\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; } if (!ieee80211_get_he_iftype_cap(sband, ieee80211_vif_type_p2p(&sdata->vif))) { - mlme_dbg(sdata, "HE not supported, disabling it\n"); + mlme_dbg(sdata, "HE not supported, disabling HE and EHT\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; + } + + if (!ieee80211_get_eht_iftype_cap(sband, + ieee80211_vif_type_p2p(&sdata->vif))) { + mlme_dbg(sdata, "EHT not supported, disabling EHT\n"); + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; } if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && !is_6ghz) { @@ -5252,6 +5285,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; } if (!elems->vht_cap_elem) { @@ -5291,7 +5325,29 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, if (!ieee80211_verify_peer_he_mcs_support(sdata, ies, he_oper) || !ieee80211_verify_sta_he_mcs_support(sdata, sband, he_oper)) - ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; + } + + /* + * EHT requires HE to be supported as well. Specifically for 6 GHz + * channels, the operation channel information can only be deduced from + * both the 6 GHz operation information (from the HE operation IE) and + * EHT operation. + */ + if (!(ifmgd->flags & (IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT)) && he_oper) { + const struct cfg80211_bss_ies *ies; + const u8 *eht_oper_ie; + + ies = rcu_dereference(cbss->ies); + eht_oper_ie = cfg80211_find_ext_ie(WLAN_EID_EXT_EHT_OPERATION, + ies->data, ies->len); + if (eht_oper_ie && eht_oper_ie[1] >= + 1 + sizeof(struct ieee80211_eht_operation)) + eht_oper = (void *)(eht_oper_ie + 3); + else + eht_oper = NULL; } /* Allow VHT if at least one channel on the sband supports 80 MHz */ @@ -5320,7 +5376,8 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, ifmgd->flags |= ieee80211_determine_chantype(sdata, sband, cbss->channel, bss->vht_cap_info, - ht_oper, vht_oper, he_oper, + ht_oper, vht_oper, + he_oper, eht_oper, s1g_oper, &chandef, false); @@ -5811,6 +5868,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; netdev_info(sdata->dev, "disabling HT/VHT/HE due to WEP/TKIP use\n"); } @@ -5818,11 +5876,12 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, sband = local->hw.wiphy->bands[req->bss->channel->band]; - /* also disable HT/VHT/HE if the AP doesn't use WMM */ + /* also disable HT/VHT/HE/EHT if the AP doesn't use WMM */ if (!bss->wmm_used) { ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; netdev_info(sdata->dev, "disabling HT/VHT/HE as WMM/QoS is not supported by the AP\n"); } @@ -5876,9 +5935,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, memcpy(&assoc_data->ap_vht_cap, vht_elem->data, sizeof(struct ieee80211_vht_cap)); } else if (is_5ghz) { - sdata_info(sdata, "VHT capa missing/short, disabling VHT/HE\n"); + sdata_info(sdata, + "VHT capa missing/short, disabling VHT/HE/EHT\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_VHT | - IEEE80211_STA_DISABLE_HE; + IEEE80211_STA_DISABLE_HE | + IEEE80211_STA_DISABLE_EHT; } rcu_read_unlock(); @@ -5957,6 +6018,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; } if (req->flags & ASSOC_REQ_DISABLE_VHT) { @@ -5965,8 +6027,9 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, } if (req->flags & ASSOC_REQ_DISABLE_HE) { - mlme_dbg(sdata, "HE disabled by flag, disabling VHT\n"); + mlme_dbg(sdata, "HE disabled by flag, disabling HE/EHT\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + ifmgd->flags |= IEEE80211_STA_DISABLE_EHT; } err = ieee80211_prep_connection(sdata, req->bss, true, override); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index b3c3191b86ee..09bf9c45256e 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -3086,6 +3086,10 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, else ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW; break; + case NL80211_CHAN_WIDTH_320: + /* HT information element should not be included on 6GHz */ + WARN_ON(1); + return pos; default: ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE; break; @@ -3125,6 +3129,10 @@ void ieee80211_ie_build_wide_bw_cs(u8 *pos, case NL80211_CHAN_WIDTH_80P80: *pos++ = IEEE80211_VHT_CHANWIDTH_80P80MHZ; break; + case NL80211_CHAN_WIDTH_320: + /* The behavior is not defined for 320 MHz channels */ + WARN_ON(1); + fallthrough; default: *pos++ = IEEE80211_VHT_CHANWIDTH_USE_HT; } @@ -3177,6 +3185,10 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, case NL80211_CHAN_WIDTH_80: vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ; break; + case NL80211_CHAN_WIDTH_320: + /* VHT information element should not be included on 6GHz */ + WARN_ON(1); + return pos; default: vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_USE_HT; break; @@ -3237,6 +3249,13 @@ u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef) he_6ghz_op->ccfs1 = 0; switch (chandef->width) { + case NL80211_CHAN_WIDTH_320: + /* + * TODO: mesh operation is not defined over 6GHz 320 MHz + * channels. + */ + WARN_ON(1); + break; case NL80211_CHAN_WIDTH_160: /* Convert 160 MHz channel width to new style as interop * workaround. @@ -3425,17 +3444,19 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, const struct ieee80211_he_operation *he_oper, + const struct ieee80211_eht_operation *eht_oper, struct cfg80211_chan_def *chandef) { struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband; enum nl80211_iftype iftype = ieee80211_vif_type_p2p(&sdata->vif); const struct ieee80211_sta_he_cap *he_cap; + const struct ieee80211_sta_eht_cap *eht_cap; struct cfg80211_chan_def he_chandef = *chandef; const struct ieee80211_he_6ghz_oper *he_6ghz_oper; struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; - bool support_80_80, support_160; - u8 he_phy_cap; + bool support_80_80, support_160, support_320; + u8 he_phy_cap, eht_phy_cap; u32 freq; if (chandef->chan->band != NL80211_BAND_6GHZ) @@ -3464,6 +3485,12 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, return false; } + eht_cap = ieee80211_get_eht_iftype_cap(sband, iftype); + if (!eht_cap) { + sdata_info(sdata, "Missing iftype sband data/EHT cap"); + eht_oper = NULL; + } + he_6ghz_oper = ieee80211_he_6ghz_oper(he_oper); if (!he_6ghz_oper) { @@ -3473,6 +3500,11 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, return false; } + /* + * The EHT operation IE does not contain the primary channel so the + * primary channel frequency should be taken from the 6 GHz operation + * information. + */ freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary, NL80211_BAND_6GHZ); he_chandef.chan = ieee80211_get_channel(sdata->local->hw.wiphy, freq); @@ -3490,43 +3522,80 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, break; } - switch (u8_get_bits(he_6ghz_oper->control, - IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) { - case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ: - he_chandef.width = NL80211_CHAN_WIDTH_20; - break; - case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ: - he_chandef.width = NL80211_CHAN_WIDTH_40; - break; - case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ: - he_chandef.width = NL80211_CHAN_WIDTH_80; - break; - case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ: - he_chandef.width = NL80211_CHAN_WIDTH_80; - if (!he_6ghz_oper->ccfs1) + if (!eht_oper) { + switch (u8_get_bits(he_6ghz_oper->control, + IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) { + case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_20; + break; + case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_40; + break; + case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_80; + break; + case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_80; + if (!he_6ghz_oper->ccfs1) + break; + if (abs(he_6ghz_oper->ccfs1 - he_6ghz_oper->ccfs0) == 8) { + if (support_160) + he_chandef.width = NL80211_CHAN_WIDTH_160; + } else { + if (support_80_80) + he_chandef.width = NL80211_CHAN_WIDTH_80P80; + } + break; + } + + if (he_chandef.width == NL80211_CHAN_WIDTH_160) { + he_chandef.center_freq1 = + ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1, + NL80211_BAND_6GHZ); + } else { + he_chandef.center_freq1 = + ieee80211_channel_to_frequency(he_6ghz_oper->ccfs0, + NL80211_BAND_6GHZ); + if (support_80_80 || support_160) + he_chandef.center_freq2 = + ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1, + NL80211_BAND_6GHZ); + } + } else { + eht_phy_cap = eht_cap->eht_cap_elem.phy_cap_info[0]; + support_320 = + eht_phy_cap & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ; + + switch (u8_get_bits(eht_oper->chan_width, + IEEE80211_EHT_OPER_CHAN_WIDTH)) { + case IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_20; + break; + case IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_40; + break; + case IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ: + he_chandef.width = NL80211_CHAN_WIDTH_80; break; - if (abs(he_6ghz_oper->ccfs1 - he_6ghz_oper->ccfs0) == 8) { + case IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ: if (support_160) he_chandef.width = NL80211_CHAN_WIDTH_160; - } else { - if (support_80_80) - he_chandef.width = NL80211_CHAN_WIDTH_80P80; + else + he_chandef.width = NL80211_CHAN_WIDTH_80; + break; + case IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ: + if (support_320) + he_chandef.width = NL80211_CHAN_WIDTH_320; + else if (support_160) + he_chandef.width = NL80211_CHAN_WIDTH_160; + else + he_chandef.width = NL80211_CHAN_WIDTH_80; + break; } - break; - } - if (he_chandef.width == NL80211_CHAN_WIDTH_160) { - he_chandef.center_freq1 = - ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1, - NL80211_BAND_6GHZ); - } else { he_chandef.center_freq1 = - ieee80211_channel_to_frequency(he_6ghz_oper->ccfs0, + ieee80211_channel_to_frequency(eht_oper->ccfs, NL80211_BAND_6GHZ); - if (support_80_80 || support_160) - he_chandef.center_freq2 = - ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1, - NL80211_BAND_6GHZ); } if (!cfg80211_chandef_valid(&he_chandef)) { @@ -3998,6 +4067,15 @@ u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c) ret = IEEE80211_STA_DISABLE_80P80MHZ | IEEE80211_STA_DISABLE_160MHZ; break; + case NL80211_CHAN_WIDTH_320: + /* n_P20 */ + tmp = (150 + c->chan->center_freq - c->center_freq1) / 20; + /* n_P160 */ + tmp /= 80; + c->center_freq1 = c->center_freq1 - 80 + 160 * tmp; + c->width = NL80211_CHAN_WIDTH_160; + ret = IEEE80211_STA_DISABLE_320MHZ; + break; default: case NL80211_CHAN_WIDTH_20_NOHT: WARN_ON_ONCE(1); diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index a45dacde96f7..904611d681cb 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -4,7 +4,7 @@ * * Portions of this file * Copyright(c) 2015 - 2016 Intel Deutschland GmbH - * Copyright (C) 2018 - 2020 Intel Corporation + * Copyright (C) 2018 - 2021 Intel Corporation */ #include @@ -445,6 +445,8 @@ ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width) case NL80211_CHAN_WIDTH_160: case NL80211_CHAN_WIDTH_80P80: return IEEE80211_STA_RX_BW_160; + case NL80211_CHAN_WIDTH_320: + return IEEE80211_STA_RX_BW_320; default: WARN_ON_ONCE(1); return IEEE80211_STA_RX_BW_20;