From patchwork Wed Jan 30 10:35:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Balaji Pothunoori X-Patchwork-Id: 10788179 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AD5416C2 for ; Wed, 30 Jan 2019 10:35:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 976852E6A4 for ; Wed, 30 Jan 2019 10:35:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8BCE22E776; Wed, 30 Jan 2019 10:35:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0F3D32E6A4 for ; Wed, 30 Jan 2019 10:35:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=DY9vJRF7H+O41hZVtlKPWZaR8yFIhFAjKrf1TZCd3hg=; b=Pn/ deV+R1thV9TQ9+wW0VR4s/NyFg4cT3WgWSImzrFbwOKPp0g0k0EPmqQ+aWAwgsVFdy00BmLqkSNF8 W/ADURf56p14TeHGNjoB01e0MP9w2Nj1tWdzDUldHxCqRNXBpwBf8fXShVwdL7zw2i6EwZc7DQCLc YDak/QXntKzRfY9/MnvyYsZkcJHAFZTqGG0kg3xiO4gzpSP+OGTH5UJqOXXuUXe3MztGeQVUX4cuZ ATRTdbvu+WQlhPMP8ZuOjtPNtArpfK6Cg3amZMRLRGbSrud0Wikr2+hLM09CP5+4ak1mjr0TIEZ/b uR+1dcPpSiXlZviXlDz1ShW3S1zbjfw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gonDQ-00059C-CU; Wed, 30 Jan 2019 10:35:32 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gonDN-00058d-Ip for ath10k@lists.infradead.org; Wed, 30 Jan 2019 10:35:31 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 18C01609E2; Wed, 30 Jan 2019 10:35:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1548844529; bh=EFD3L1vYIsD07kxc/XWipcvHnq+nm4YqirF5Q6ZxboQ=; h=From:To:Cc:Subject:Date:From; b=I6nLVRiF7yIrKFbbY8rPGS3EpU16qqw94xwKbwcy1ZwhxNcB1wpSD3iZKnH6fcJW0 ZZtS4qlPpLXbhW+RZDyeM/V2WSYtIa7gp6U3GBAAE+sSOpfXG93MZIrCcwjPkbkXoP k8BqU60HtInFoHzxSlVOTgfRmLW40+CVfGiE3cN8= Received: from checstex0244823-lin.qca.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bpothuno@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 712A96090C; Wed, 30 Jan 2019 10:35:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1548844527; bh=EFD3L1vYIsD07kxc/XWipcvHnq+nm4YqirF5Q6ZxboQ=; h=From:To:Cc:Subject:Date:From; b=h8vA5rLulo73bZgyMCX4d1hVo6Toj1Io7/Str3jQNLW01oVL9FBvtqSGDlCraTU00 owzzAZ97qouUYu3101qDpgmSWVp3U2g7tuPNpg5PY9M5zojVRxPwGVoLJ13D68f6D9 V2mr16ZHICLwdXw9greVAs1s4L3s4UFFqmCYv24I= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 712A96090C Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=bpothuno@codeaurora.org From: Balaji Pothunoori To: johannes@sipsolutions.net Subject: [PATCH v2 2/3] mac80211: store tx power value from user to station Date: Wed, 30 Jan 2019 16:05:20 +0530 Message-Id: <1548844520-13752-1-git-send-email-bpothuno@codeaurora.org> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190130_023529_666959_DA7E3E43 X-CRM114-Status: GOOD ( 14.98 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Balaji Pothunoori , Ashok Raj Nagarajan , linux-wireless@vger.kernel.org, ath10k@lists.infradead.org MIME-Version: 1.0 Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ashok Raj Nagarajan This patch introduce a new driver callback drv_sta_set_txpwr. This API will copy the transmit power value passed from user space and call the driver callback to set the tx power for the station. Co-developed-by: Balaji Pothunoori Signed-off-by: Ashok Raj Nagarajan Signed-off-by: Balaji Pothunoori --- v2: add txpwr structure added tx power set type in trace event include/net/mac80211.h | 14 ++++++++++++++ net/mac80211/cfg.c | 9 +++++++++ net/mac80211/driver-ops.c | 21 +++++++++++++++++++++ net/mac80211/driver-ops.h | 5 +++++ net/mac80211/trace.h | 30 ++++++++++++++++++++++++++++++ 5 files changed, 79 insertions(+) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 294a8a3..c637d28 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1886,6 +1886,13 @@ struct ieee80211_sta_rates { * @support_p2p_ps: indicates whether the STA supports P2P PS mechanism or not. * @max_rc_amsdu_len: Maximum A-MSDU size in bytes recommended by rate control. * @max_tid_amsdu_len: Maximum A-MSDU size in bytes for this TID + * @power: indicates the tx power, in dBm, to be used when sending data frames + * to the STA. + * @type: In particular if TPC %type is NL80211_TX_POWER_LIMITED then tx power + * will be less than or equal to specified from userspace, whereas if TPC + * %type is NL80211_TX_POWER_AUTOMATIC then it indicates default tx power. + * NL80211_TX_POWER_FIXED is not a valid configuration option for + * per peer TPC. * @txq: per-TID data TX queues (if driver uses the TXQ abstraction); note that * the last entry (%IEEE80211_NUM_TIDS) is used for non-data frames */ @@ -1928,6 +1935,10 @@ struct ieee80211_sta { bool support_p2p_ps; u16 max_rc_amsdu_len; u16 max_tid_amsdu_len[IEEE80211_NUM_TIDS]; + struct { + s16 power; + enum nl80211_tx_power_setting type; + } txpwr; struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1]; @@ -3735,6 +3746,9 @@ struct ieee80211_ops { #endif void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd, struct ieee80211_sta *sta); + int (*sta_set_txpwr)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); int (*sta_state)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, enum ieee80211_sta_state old_state, diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 80d8ebc..72d0670 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1417,6 +1417,15 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (params->listen_interval >= 0) sta->listen_interval = params->listen_interval; + if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) { + sta->sta.txpwr.type = params->txpwr.type; + if (params->txpwr.type == NL80211_TX_POWER_LIMITED) + sta->sta.txpwr.power = params->txpwr.power; + ret = drv_sta_set_txpwr(local, sdata, sta); + if (ret) + return ret; + } + if (params->supported_rates) { ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, sband, params->supported_rates, diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index bb886e7..839c002 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -138,6 +138,27 @@ int drv_sta_state(struct ieee80211_local *local, return ret; } +__must_check +int drv_sta_set_txpwr(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + if (!check_sdata_in_driver(sdata)) + return -EIO; + + trace_drv_sta_set_txpwr(local, sdata, &sta->sta); + if (local->ops->sta_set_txpwr) + ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif, + &sta->sta); + trace_drv_return_int(local, ret); + return ret; +} + void drv_sta_rc_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u32 changed) diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index ba3c07b..2cc5bb2 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -529,6 +529,11 @@ int drv_sta_state(struct ieee80211_local *local, enum ieee80211_sta_state old_state, enum ieee80211_sta_state new_state); +__must_check +int drv_sta_set_txpwr(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta); + void drv_sta_rc_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u32 changed); diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 35ea0dc..c86e42a 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -828,6 +828,36 @@ TRACE_EVENT(drv_sta_state, ) ); +TRACE_EVENT(drv_sta_set_txpwr, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta), + + TP_ARGS(local, sdata, sta), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + STA_ENTRY + __field(s16, txpwr) + __field(u8, type) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + STA_ASSIGN; + __entry->txpwr = sta->txpwr.power; + __entry->type = sta->txpwr.type; + ), + + TP_printk( + LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " txpwr: %d type %d", + LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, + __entry->txpwr, __entry->type + ) +); + TRACE_EVENT(drv_sta_rc_update, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata,