From patchwork Thu Jan 11 17:06:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Berg X-Patchwork-Id: 762697 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9B4C50256 for ; Thu, 11 Jan 2024 17:06:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="b9EGrJ+E" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: 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:In-Reply-To:References; bh=MUPfQ1ltrkCMHHlk6nRsyP1Xr8tffTbfH7wb2Ran8CU=; t=1704992804; x=1706202404; b=b9EGrJ+EuHjEuxhq8ALp6Rj9im0kGNGMeUN565Vz5O4IqT8s+o70dG8Bc9omV3ny9CCsd/cYzbO nYYtj9UFUEws6Xn0zRChSPJuSpuK/9cI6xuF3poieWKTUtiw+2QNUYNERdFmy+5DD5S/JBoVmI7nm YTxrQGYZubIvw5L4NCVRpurhEi/4MZ6X1p+S8ARgMcUFnmKzILPwImXS/aKDLa4eT8VEipbrMZbtV i8BvChwTYi/8LrxjhettUnb1IPK9Rd2Fi8GgKPuhVQnrzw8SjRHSwKjwevh3HpuytbeC/B0dmwBzN dId73rTQYdizng70fAxv09Q7w1JknL9dpONw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1rNyVs-0000000FIRj-33y3; Thu, 11 Jan 2024 18:06:41 +0100 From: benjamin@sipsolutions.net To: linux-wireless@vger.kernel.org Cc: lenb@kernel.org, Benjamin Berg Subject: [PATCH] wifi: ath11k: rely on mac80211 debugfs handling for vif Date: Thu, 11 Jan 2024 18:06:29 +0100 Message-ID: <20240111170629.1257217-1-benjamin@sipsolutions.net> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Benjamin Berg mac80211 started to delete debugfs entries in certain cases, causing a conflict between ath11k also trying to delete them later on. Fix this by relying on mac80211 to delete the entries when appropriate and adding them from the vif_add_debugfs handler. Fixes: 0a3d898ee9a8 ("wifi: mac80211: add/remove driver debugfs entries as appropriate") Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=218364 Signed-off-by: Benjamin Berg --- drivers/net/wireless/ath/ath11k/core.h | 4 ---- drivers/net/wireless/ath/ath11k/debugfs.c | 25 +++++++++-------------- drivers/net/wireless/ath/ath11k/debugfs.h | 12 ++--------- drivers/net/wireless/ath/ath11k/mac.c | 12 +---------- 4 files changed, 13 insertions(+), 40 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 7e3b6779f4e9..02e160d831be 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -368,10 +368,6 @@ struct ath11k_vif { struct ieee80211_chanctx_conf chanctx; struct ath11k_arp_ns_offload arp_ns_offload; struct ath11k_rekey_data rekey_data; - -#ifdef CONFIG_ATH11K_DEBUGFS - struct dentry *debugfs_twt; -#endif /* CONFIG_ATH11K_DEBUGFS */ }; struct ath11k_vif_iter { diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c index a847bc0d50c0..af6fdb4b6497 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.c +++ b/drivers/net/wireless/ath/ath11k/debugfs.c @@ -1894,35 +1894,30 @@ static const struct file_operations ath11k_fops_twt_resume_dialog = { .open = simple_open }; -void ath11k_debugfs_add_interface(struct ath11k_vif *arvif) +void ath11k_debugfs_op_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) { + struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct ath11k_base *ab = arvif->ar->ab; + struct dentry *debugfs_twt; if (arvif->vif->type != NL80211_IFTYPE_AP && !(arvif->vif->type == NL80211_IFTYPE_STATION && test_bit(WMI_TLV_SERVICE_STA_TWT, ab->wmi_ab.svc_map))) return; - arvif->debugfs_twt = debugfs_create_dir("twt", - arvif->vif->debugfs_dir); - debugfs_create_file("add_dialog", 0200, arvif->debugfs_twt, + debugfs_twt = debugfs_create_dir("twt", + arvif->vif->debugfs_dir); + debugfs_create_file("add_dialog", 0200, debugfs_twt, arvif, &ath11k_fops_twt_add_dialog); - debugfs_create_file("del_dialog", 0200, arvif->debugfs_twt, + debugfs_create_file("del_dialog", 0200, debugfs_twt, arvif, &ath11k_fops_twt_del_dialog); - debugfs_create_file("pause_dialog", 0200, arvif->debugfs_twt, + debugfs_create_file("pause_dialog", 0200, debugfs_twt, arvif, &ath11k_fops_twt_pause_dialog); - debugfs_create_file("resume_dialog", 0200, arvif->debugfs_twt, + debugfs_create_file("resume_dialog", 0200, debugfs_twt, arvif, &ath11k_fops_twt_resume_dialog); } -void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif) -{ - if (!arvif->debugfs_twt) - return; - - debugfs_remove_recursive(arvif->debugfs_twt); - arvif->debugfs_twt = NULL; -} diff --git a/drivers/net/wireless/ath/ath11k/debugfs.h b/drivers/net/wireless/ath/ath11k/debugfs.h index 44d15845f39a..325151ec8d4f 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.h +++ b/drivers/net/wireless/ath/ath11k/debugfs.h @@ -307,8 +307,8 @@ static inline int ath11k_debugfs_rx_filter(struct ath11k *ar) return ar->debug.rx_filter; } -void ath11k_debugfs_add_interface(struct ath11k_vif *arvif); -void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif); +void ath11k_debugfs_op_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); void ath11k_debugfs_add_dbring_entry(struct ath11k *ar, enum wmi_direct_buffer_module id, enum ath11k_dbg_dbr_event event, @@ -387,14 +387,6 @@ static inline int ath11k_debugfs_get_fw_stats(struct ath11k *ar, return 0; } -static inline void ath11k_debugfs_add_interface(struct ath11k_vif *arvif) -{ -} - -static inline void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif) -{ -} - static inline void ath11k_debugfs_add_dbring_entry(struct ath11k *ar, enum wmi_direct_buffer_module id, diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index db241589424d..cd99246303dd 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -6756,13 +6756,6 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, goto err; } - /* In the case of hardware recovery, debugfs files are - * not deleted since ieee80211_ops.remove_interface() is - * not invoked. In such cases, try to delete the files. - * These will be re-created later. - */ - ath11k_debugfs_remove_interface(arvif); - memset(arvif, 0, sizeof(*arvif)); arvif->ar = ar; @@ -6939,8 +6932,6 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, ath11k_dp_vdev_tx_attach(ar, arvif); - ath11k_debugfs_add_interface(arvif); - if (vif->type != NL80211_IFTYPE_MONITOR && test_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags)) { ret = ath11k_mac_monitor_vdev_create(ar); @@ -7056,8 +7047,6 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw, /* Recalc txpower for remaining vdev */ ath11k_mac_txpower_recalc(ar); - ath11k_debugfs_remove_interface(arvif); - /* TODO: recal traffic pause state based on the available vdevs */ mutex_unlock(&ar->conf_mutex); @@ -9153,6 +9142,7 @@ static const struct ieee80211_ops ath11k_ops = { #endif #ifdef CONFIG_ATH11K_DEBUGFS + .vif_add_debugfs = ath11k_debugfs_op_add_interface, .sta_add_debugfs = ath11k_debugfs_sta_op_add, #endif