From patchwork Fri Feb 4 22:02:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 540049 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 DFEA7C43217 for ; Fri, 4 Feb 2022 22:03:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344113AbiBDWDP (ORCPT ); Fri, 4 Feb 2022 17:03:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245499AbiBDWDI (ORCPT ); Fri, 4 Feb 2022 17:03:08 -0500 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C6F9C061714 for ; Fri, 4 Feb 2022 14:03:08 -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=wZYc0kytM7C5qLCFLZWdcn3SaWfUlzq7rMq7zwjbTv4=; t=1644012188; x=1645221788; b=cw+4uJ4+x3Os7ud67FK1ImNuc0asMSVpQibEML3whbqkBoE cp7nRtDh/7V/IBbSy5fQceV+nI1ExZYgFa8bvdPKjxTX5wlmofuJp71TeRrnlwLjayGg+GnUmGK9q OqWnUAHf8JsQvavOrbu6HGEtAon0VyR3sg5DoftWS8Kqx0mMoxdqRtetjXjgx44BCiVvQ+razm4ax 0QXB+qvIji2yj18Se4GLKEtUeY4Onrn1Oj6IejJx28PAeEtZIxz5OBfQzFVqmk2nkNoc3qJIVdA15 OpwH7XmCp0hOKLXg7qBDWeXOiFAdapfvfMAaYkWgwwKEkVTn0jo2C2Ayqqgf3lLQ==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.95) (envelope-from ) id 1nG6fa-00EeJL-DN; Fri, 04 Feb 2022 23:03:06 +0100 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Veerendranath Jakkam , Ilan Peer , Jia Ding , Mordechay Goodstein , Sriram R Subject: [PATCH 18/19] mac80211: parse AddBA request with extended AddBA element Date: Fri, 4 Feb 2022 23:02:54 +0100 Message-Id: <20220204230119.bc7fd2fa10a7.I434f5588602f83b4e658c660120040913b3a2e3d@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220204220255.448224-1-johannes@sipsolutions.net> References: <20220204220255.448224-1-johannes@sipsolutions.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Mordechay Goodstein In EHT requesting aggregation with 1K needs the use of extended the AddBA element for the buffer size, so add the logic to parse it and make sure it's in limits of the EHT aggregation size. Signed-off-by: Mordechay Goodstein Signed-off-by: Johannes Berg --- net/mac80211/agg-rx.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 0d2bab9d351c..218cdc554d71 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -180,7 +180,8 @@ static void sta_rx_agg_reorder_timer_expired(struct timer_list *t) static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, - const struct ieee80211_addba_ext_ie *req) + const struct ieee80211_addba_ext_ie *req, + u16 buf_size) { struct ieee80211_supported_band *sband; struct ieee80211_addba_ext_ie *resp; @@ -210,6 +211,8 @@ static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata, frag_level = cap_frag_level; resp->data |= u8_encode_bits(frag_level, IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK); + resp->data |= u8_encode_bits(buf_size >> IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT, + IEEE80211_ADDBA_EXT_BUF_SIZE_MASK); } static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid, @@ -261,7 +264,7 @@ static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid, mgmt->u.action.u.addba_resp.status = cpu_to_le16(status); if (sta->sta.he_cap.has_he && addbaext) - ieee80211_add_addbaext(sdata, skb, addbaext); + ieee80211_add_addbaext(sdata, skb, addbaext, buf_size); ieee80211_tx_skb(sdata, skb); } @@ -309,7 +312,9 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta, goto end; } - if (sta->sta.he_cap.has_he) + if (sta->sta.eht_cap.has_eht) + max_buf_size = IEEE80211_MAX_AMPDU_BUF_EHT; + else if (sta->sta.he_cap.has_he) max_buf_size = IEEE80211_MAX_AMPDU_BUF_HE; else max_buf_size = IEEE80211_MAX_AMPDU_BUF_HT; @@ -502,6 +507,13 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, goto free; } + if (sta->sta.eht_cap.has_eht && elems && elems->addba_ext_ie) { + u8 buf_size_1k = u8_get_bits(elems->addba_ext_ie->data, + IEEE80211_ADDBA_EXT_BUF_SIZE_MASK); + + buf_size |= buf_size_1k << IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT; + } + __ieee80211_start_rx_ba_session(sta, dialog_token, timeout, start_seq_num, ba_policy, tid, buf_size, true, false,