From patchwork Fri Jun 7 18:13:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huehn X-Patchwork-Id: 2688991 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 33414DFB78 for ; Fri, 7 Jun 2013 18:14:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757035Ab3FGSOd (ORCPT ); Fri, 7 Jun 2013 14:14:33 -0400 Received: from mail.net.t-labs.tu-berlin.de ([130.149.220.252]:57608 "EHLO mail.net.t-labs.tu-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757034Ab3FGSO0 (ORCPT ); Fri, 7 Jun 2013 14:14:26 -0400 Received: from bob.magnets (unknown [130.149.221.98]) by mail.net.t-labs.tu-berlin.de (Postfix) with ESMTPSA id BC27A4C5D92; Fri, 7 Jun 2013 20:14:23 +0200 (CEST) From: Thomas Huehn To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, nbd@nbd.name, johannes@sipsolutions.net, bvahl@net.t-labs.tu-berlin.de Subject: [PATCH 2/3] mac80211: move flag IEEE80211_TX_CTL_REQ_TX_STATUS from flag to flags2 Date: Fri, 7 Jun 2013 20:13:22 +0200 Message-Id: <1370628803-28785-3-git-send-email-thomas@net.t-labs.tu-berlin.de> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1370628803-28785-1-git-send-email-thomas@net.t-labs.tu-berlin.de> References: <1370628803-28785-1-git-send-email-thomas@net.t-labs.tu-berlin.de> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Flag IEEE80211_TX_CTL_REQ_TX_STATUS at bit(0) in mac80211_tx_control_flags is moved to ieee80211_tx_info->control.flags2 as it is only used in the tx-path. This frees one bit in ieee80211_tx_info->flags. Signed-off-by: Benjamin Vahl Signed-off-by: Thomas Huehn --- drivers/net/wireless/ath/carl9170/tx.c | 2 +- drivers/net/wireless/mac80211_hwsim.c | 2 +- drivers/net/wireless/ti/wl1251/tx.c | 4 ++-- include/net/mac80211.h | 9 +++++++-- net/mac80211/agg-tx.c | 4 ++-- net/mac80211/cfg.c | 13 ++++++++----- net/mac80211/ht.c | 2 +- net/mac80211/mesh_ps.c | 6 +++--- net/mac80211/mlme.c | 7 ++++--- net/mac80211/sta_info.c | 8 ++++---- net/mac80211/status.c | 2 +- net/mac80211/tx.c | 8 +++++--- 12 files changed, 39 insertions(+), 28 deletions(-) diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c index c61cafa..6ee8c26 100644 --- a/drivers/net/wireless/ath/carl9170/tx.c +++ b/drivers/net/wireless/ath/carl9170/tx.c @@ -297,7 +297,7 @@ static void carl9170_tx_release(struct kref *ref) txinfo->status.ampdu_len = super->s.rix; txinfo->status.ampdu_ack_len = super->s.cnt; } else if ((txinfo->flags & IEEE80211_TX_STAT_ACK) && - !(txinfo->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) { + !(txinfo->control.flags2 & IEEE80211_TX_CTL_REQ_TX_STATUS)) { /* * drop redundant tx_status reports: * diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index cb34c78..e6afe01 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -642,7 +642,7 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw, /* We get the flags for this transmission, and we translate them to wmediumd flags */ - if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) + if (info->control.flags2 & IEEE80211_TX_CTL_REQ_TX_STATUS) hwsim_flags |= HWSIM_TX_CTL_REQ_TX_STATUS; if (info->flags & IEEE80211_TX_CTL_NO_ACK) diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c index 28121c5..f7192ee 100644 --- a/drivers/net/wireless/ti/wl1251/tx.c +++ b/drivers/net/wireless/ti/wl1251/tx.c @@ -540,7 +540,7 @@ void wl1251_tx_flush(struct wl1251 *wl) wl1251_debug(DEBUG_TX, "flushing skb 0x%p", skb); - if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) + if (!(info->control.flags2 & IEEE80211_TX_CTL_REQ_TX_STATUS)) continue; ieee80211_tx_status(wl->hw, skb); @@ -551,7 +551,7 @@ void wl1251_tx_flush(struct wl1251 *wl) skb = wl->tx_frames[i]; info = IEEE80211_SKB_CB(skb); - if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) + if (!(info->control.flags2 & IEEE80211_TX_CTL_REQ_TX_STATUS)) continue; ieee80211_tx_status(wl->hw, skb); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 2d8e461..6c31a92 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -374,7 +374,6 @@ struct ieee80211_bss_conf { * * These flags are used with the @flags member of &ieee80211_tx_info. * - * @IEEE80211_TX_CTL_REQ_TX_STATUS: require TX status callback for this frame. * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence * number to this frame, taking care of not overwriting the fragment * number and increasing the sequence number only when the @@ -467,7 +466,10 @@ struct ieee80211_bss_conf { * forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary. */ enum mac80211_tx_control_flags { - IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), + /* + * moved to flags2: + * IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), + */ IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), IEEE80211_TX_CTL_NO_ACK = BIT(2), IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(3), @@ -505,8 +507,11 @@ enum mac80211_tx_control_flags { * * These flags are used with the @flags2 member of &ieee80211_tx_info inside control * and are only available within the tx path where tx_info->control is valid. + * + * @IEEE80211_TX_CTL_REQ_TX_STATUS: require TX status callback for this frame. */ enum mac80211_tx_control_flags2 { + IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), }; #define IEEE80211_TX_CTL_STBC_SHIFT 23 diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 13b7683..890447f 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -135,8 +135,8 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn) bar->control = cpu_to_le16(bar_control); bar->start_seq_num = cpu_to_le16(ssn); - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | - IEEE80211_TX_CTL_REQ_TX_STATUS; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + IEEE80211_SKB_CB(skb)->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; ieee80211_tx_skb_tid(sdata, skb, tid); } EXPORT_SYMBOL(ieee80211_send_bar); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 3062210..207e54d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2787,13 +2787,15 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, const struct ieee80211_mgmt *mgmt = (void *)buf; bool need_offchan = false; u32 flags; + u16 flags2; int ret; if (dont_wait_for_ack) flags = IEEE80211_TX_CTL_NO_ACK; - else - flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | - IEEE80211_TX_CTL_REQ_TX_STATUS; + else { + flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX; + flags2 = IEEE80211_TX_CTL_REQ_TX_STATUS; + } if (no_cck) flags |= IEEE80211_TX_CTL_NO_CCK_RATE; @@ -2869,6 +2871,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, memcpy(skb_put(skb, len), buf, len); IEEE80211_SKB_CB(skb)->flags = flags; + IEEE80211_SKB_CB(skb)->control.flags2 = flags2; skb->dev = sdata->dev; @@ -3361,8 +3364,8 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, info = IEEE80211_SKB_CB(skb); - info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | - IEEE80211_TX_INTFL_NL80211_FRAME_TX; + info->flags |= IEEE80211_TX_INTFL_NL80211_FRAME_TX; + info->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; skb_set_queue_mapping(skb, IEEE80211_AC_VO); skb->priority = 7; diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 75dff33..f34af5e 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -417,7 +417,7 @@ int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, } /* we'll do more on status of this frame */ - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + IEEE80211_SKB_CB(skb)->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; ieee80211_tx_skb(sdata, skb); return 0; diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c index 3b7bfc0..9cd9e8e 100644 --- a/net/mac80211/mesh_ps.c +++ b/net/mac80211/mesh_ps.c @@ -384,8 +384,8 @@ static void mpsp_trigger_send(struct sta_info *sta, bool rspi, bool eosp) info = IEEE80211_SKB_CB(skb); - info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER | - IEEE80211_TX_CTL_REQ_TX_STATUS; + info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; + info->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; mps_dbg(sdata, "sending MPSP trigger%s%s to %pM\n", rspi ? " RSPI" : "", eosp ? " EOSP" : "", sta->sta.addr); @@ -508,7 +508,7 @@ static void mps_frame_deliver(struct sta_info *sta, int n_frames) /* MPSP trigger frame ends service period */ *qoshdr |= IEEE80211_QOS_CTL_EOSP; - info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + info->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; } } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ad9bb9e..f1ac7eb 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -839,9 +839,10 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) drv_mgd_prepare_tx(local, sdata); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; - if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | - IEEE80211_TX_INTFL_MLME_CONN_TX; + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) { + IEEE80211_SKB_CB(skb)->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_MLME_CONN_TX; + } ieee80211_tx_skb(sdata, skb); } diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index b429798..bf841f2 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1133,8 +1133,8 @@ static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata, */ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER | IEEE80211_TX_CTL_PS_RESPONSE | - IEEE80211_TX_STATUS_EOSP | - IEEE80211_TX_CTL_REQ_TX_STATUS; + IEEE80211_TX_STATUS_EOSP; + info->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; drv_allow_buffered_frames(local, sta, BIT(tid), 1, reason, false); @@ -1294,8 +1294,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta, qoshdr) *qoshdr |= IEEE80211_QOS_CTL_EOSP; - info->flags |= IEEE80211_TX_STATUS_EOSP | - IEEE80211_TX_CTL_REQ_TX_STATUS; + info->flags |= IEEE80211_TX_STATUS_EOSP; + info->control.flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; } if (qoshdr) diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 4343920..42bcd77 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -28,7 +28,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, int tmp; skb->pkt_type = IEEE80211_TX_STATUS_MSG; - skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ? + skb_queue_tail(info->control.flags2 & IEEE80211_TX_CTL_REQ_TX_STATUS ? &local->skb_queue : &local->skb_queue_unreliable, skb); tmp = skb_queue_len(&local->skb_queue) + skb_queue_len(&local->skb_queue_unreliable); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 4105d0c..b1fe9b5 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1609,8 +1609,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, memset(info, 0, sizeof(*info)); - info->flags = IEEE80211_TX_CTL_REQ_TX_STATUS | - IEEE80211_TX_CTL_INJECTED; + info->flags = IEEE80211_TX_CTL_INJECTED; + info->control.flags2 = IEEE80211_TX_CTL_REQ_TX_STATUS; /* process and remove the injection radiotap header */ if (!ieee80211_parse_tx_radiotap(skb)) @@ -1723,6 +1723,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, bool tdls_direct = false; bool multicast; u32 info_flags = 0; + u16 info_flags2 = 0; u16 info_id = 0; struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_sub_if_data *ap_sdata; @@ -1988,7 +1989,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, if (id >= 0) { info_id = id; - info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + info_flags2 |= IEEE80211_TX_CTL_REQ_TX_STATUS; } else if (skb_shared(skb)) { kfree_skb(orig_skb); } else { @@ -2113,6 +2114,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, dev->trans_start = jiffies; info->flags = info_flags; + info->control.flags2 = info_flags2; info->ack_frame_id = info_id; ieee80211_xmit(sdata, skb, band);