From patchwork Wed Aug 11 05:45:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muna Sinada X-Patchwork-Id: 12430081 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 897F7C432BE for ; Wed, 11 Aug 2021 05:46:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6431460C41 for ; Wed, 11 Aug 2021 05:46:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234432AbhHKFqh (ORCPT ); Wed, 11 Aug 2021 01:46:37 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:56117 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233776AbhHKFqg (ORCPT ); Wed, 11 Aug 2021 01:46:36 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1628660773; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=bZ8dYztixn6JeEegfUzvcJtqZyZLM9Na2ushwFl3Xxc=; b=Ajgs7AESW7RBIZ719gFMhu1YaBWcXm/9Rxc9t71RvDUCLPzUSlIXep5WTl9qraueO/XMlBp5 jv/2jlGxOCf+XYOjQaElwcf/Gqj0u2B71L+jLU7Hqhql+347rAqhhnxdqXiWo7tQVAW/GpAY 4A+qYKR0Nv8SIfK7oLIV0ChmAZM= 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 61136411b3873958f545c95b (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 11 Aug 2021 05:45:53 GMT Sender: msinada=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 64D8BC43460; Wed, 11 Aug 2021 05:45:52 +0000 (UTC) Received: from msinada-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: msinada) by smtp.codeaurora.org (Postfix) with ESMTPSA id 19C78C433F1; Wed, 11 Aug 2021 05:45:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 19C78C433F1 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=msinada@codeaurora.org From: Muna Sinada To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Muna Sinada Subject: [PATCH v2] cfg80211: Handle driver updated MU-EDCA params Date: Tue, 10 Aug 2021 22:45:43 -0700 Message-Id: <1628660743-24413-1-git-send-email-msinada@codeaurora.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add necessary functions and attributes to receive updated MU-EDCA parameters from driver and send to user space, where management frame are updated to reflect latest parameters. Signed-off-by: Muna Sinada --- include/net/cfg80211.h | 12 ++++++++++++ include/uapi/linux/nl80211.h | 13 +++++++++++++ net/wireless/nl80211.c | 36 ++++++++++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 161cdf7df1a0..52770f108131 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -8218,4 +8218,16 @@ void cfg80211_update_owe_info_event(struct net_device *netdev, */ void cfg80211_bss_flush(struct wiphy *wiphy); +/** + * cfg80211_update_muedca_params_event - Notify userspace about updated + * MU-EDCA parameters + * + * @wiphy: the wiphy + * @params: Updated MU-EDCA parameters + * @gfp: allocation flags + */ +void cfg80211_update_muedca_params_event(struct wiphy *wiphy, + struct ieee80211_mu_edca_param_set + *params, gfp_t gfp); + #endif /* __NET_CFG80211_H */ diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index db474994fa73..c2d01881c324 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1185,6 +1185,11 @@ * passed using %NL80211_ATTR_SAR_SPEC. %NL80211_ATTR_WIPHY is used to * specify the wiphy index to be applied to. * + * @NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS: Updated MU-EDCA parameters from + * driver. This event is used to update dynamic MU-EDCA parameters in + * management frames, coming from driver and now need to be reflected in + * management frames. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -1417,6 +1422,8 @@ enum nl80211_commands { NL80211_CMD_SET_SAR_SPECS, + NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ @@ -2560,6 +2567,10 @@ enum nl80211_commands { * disassoc events to indicate that an immediate reconnect to the AP * is desired. * + * @NL80211_ATTR_HE_MUEDCA_PARAMS: MU-EDCA AC parameters for the + * %NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS command in format described in + * P802.11ax_D4.0 section 9.4.2.245 + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -3057,6 +3068,8 @@ enum nl80211_attrs { NL80211_ATTR_DISABLE_HE, + NL80211_ATTR_HE_MUEDCA_PARAMS, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 50eb405b0690..9abe66cef566 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -18093,6 +18093,42 @@ void cfg80211_update_owe_info_event(struct net_device *netdev, } EXPORT_SYMBOL(cfg80211_update_owe_info_event); +void cfg80211_update_muedca_params_event(struct wiphy *wiphy, + struct ieee80211_mu_edca_param_set + *params, gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct sk_buff *msg; + void *hdr; + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_HE_MUEDCA_PARAMS); + if (!hdr) + goto nla_put_failure; + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) + goto nla_put_failure; + + if (nla_put(msg, NL80211_ATTR_HE_MUEDCA_PARAMS, + sizeof(struct ieee80211_mu_edca_param_set), + (const void *)params)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); + return; + +nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_update_muedca_params_event); + /* initialisation/exit functions */ int __init nl80211_init(void)