From patchwork Thu Jun 6 18:07:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 802600 Received: from nbd.name (nbd.name [46.4.11.11]) (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 96BBD198E74 for ; Thu, 6 Jun 2024 18:07:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.4.11.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717697240; cv=none; b=KeODmWZ8MXoqHBpL/Cn5PUi4c6qTNCsKBMo3DiUEmw/rtj1KTu3aU1naNlE6caasKca7AqmatpE+JbcPWO9+tzlMMBqxdUs+aZc8oCUrs6JFLLNDmyX5TH8MdQBVjhMLvAalEKBCzhTAISAUz19zwk7DPERMBhcDUt5QGcRXuwA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717697240; c=relaxed/simple; bh=QaQmLgy+3Eigey3N+sivQTze1lolrmlzeM2zMrBVkf8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HWivrchPaxoTSL3VvSkrrufxvvOf2MTiHmccH3gNZb+rTCbGbDEW+z2hE3keM0pR9he32zA1a2ewRUcaslT6emAbIdsca4GuU6UemhvnBrLpn+zMT2o3T+eiIGBYVmi0uH0f6I/Lvzrf+r+PplEQenwQs/818bj7iEV+3Y8lK2s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nbd.name; spf=none smtp.mailfrom=nbd.name; dkim=pass (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b=QOHIQoCH; arc=none smtp.client-ip=46.4.11.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nbd.name Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=nbd.name Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b="QOHIQoCH" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=vOCst2QAjVjlhHAvyW0f7/33PkTY6/tNWmZ2vHouG+8=; b=QOHIQoCHbVhtg1dva6hZXi07M1 gsjMaHzVtlO69hcvCIwnzYlBZDxRpFwxbHo3VR56fEGzXbeQ2URDY+n6OmyrCLi7eaEao76QNpwbZ 9WzZ3j5qW/9RX6TwsTVcFTR2wdzKqWi+wAIYifp6KDXWgHLBH71bQOvsBBkqDSJ+pyvA=; Received: from p4ff130d0.dip0.t-ipconnect.de ([79.241.48.208] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.96) (envelope-from ) id 1sFHW6-008aic-2j; Thu, 06 Jun 2024 20:07:14 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net, quic_adisi@quicinc.com, quic_periyasa@quicinc.com, ath12k@lists.infradead.org Subject: [RFC v3 3/8] wifi: cfg80211: extend interface combination check for multi-radio Date: Thu, 6 Jun 2024 20:07:08 +0200 Message-ID: <754815488294f5b7f599b2adba085f1889b53b1a.1717696995.git-series.nbd@nbd.name> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add a field in struct iface_combination_params to check per-radio interface combinations instead of per-wiphy ones. Signed-off-by: Felix Fietkau --- include/net/cfg80211.h | 5 +++++ net/wireless/rdev-ops.h | 17 +++++++++++++++++ net/wireless/trace.h | 5 +++++ net/wireless/util.c | 36 +++++++++++++++++++++++++++++------- 4 files changed, 56 insertions(+), 7 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 27355e08ae52..35d4d18e0500 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1595,6 +1595,7 @@ struct cfg80211_color_change_settings { * * Used to pass interface combination parameters * + * @radio: when set, check radio specific interface combinations. * @num_different_channels: the number of different channels we want * to use for verification * @radar_detect: a bitmap where each bit corresponds to a channel @@ -1608,6 +1609,7 @@ struct cfg80211_color_change_settings { * the verification */ struct iface_combination_params { + const struct wiphy_radio *radio; int num_different_channels; u8 radar_detect; int iftype_num[NUM_NL80211_IFTYPES]; @@ -4577,6 +4579,7 @@ struct mgmt_frame_regs { * * @set_hw_timestamp: Enable/disable HW timestamping of TM/FTM frames. * @set_ttlm: set the TID to link mapping. + * @get_radio_mask: get bitmask of radios in use */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -4938,6 +4941,8 @@ struct cfg80211_ops { struct cfg80211_set_hw_timestamp *hwts); int (*set_ttlm)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ttlm_params *params); + int (*get_radio_mask)(struct wiphy *wiphy, struct net_device *dev, + u32 *mask); }; /* diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 43897a5269b6..43d72d09ef34 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -1542,4 +1542,21 @@ rdev_set_ttlm(struct cfg80211_registered_device *rdev, return ret; } + +static inline int +rdev_get_radio_mask(struct cfg80211_registered_device *rdev, + struct net_device *dev, u32 *mask) +{ + struct wiphy *wiphy = &rdev->wiphy; + int ret; + + if (!rdev->ops->get_radio_mask) + return -EOPNOTSUPP; + + trace_rdev_get_radio_mask(wiphy, dev); + ret = rdev->ops->get_radio_mask(wiphy, dev, mask); + trace_rdev_return_int(wiphy, ret); + + return ret; +} #endif /* __CFG80211_RDEV_OPS */ diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 14cfa0aba93a..12081e81f9c5 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -4081,6 +4081,11 @@ TRACE_EVENT(cfg80211_links_removed, __entry->link_mask) ); +DEFINE_EVENT(wiphy_netdev_evt, rdev_get_radio_mask, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), + TP_ARGS(wiphy, netdev) +); + #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH diff --git a/net/wireless/util.c b/net/wireless/util.c index 2bde8a354631..cab40e4c3491 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -2305,20 +2305,35 @@ static int cfg80211_wdev_bi(struct wireless_dev *wdev) static void cfg80211_calculate_bi_data(struct wiphy *wiphy, u32 new_beacon_int, u32 *beacon_int_gcd, - bool *beacon_int_different) + bool *beacon_int_different, + const struct wiphy_radio *radio) { + struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; + int radio_idx = -1; *beacon_int_gcd = 0; *beacon_int_different = false; + if (radio) + radio_idx = radio - wiphy->radio; + rdev = wiphy_to_rdev(wiphy); list_for_each_entry(wdev, &wiphy->wdev_list, list) { int wdev_bi; + u32 mask; /* this feature isn't supported with MLO */ if (wdev->valid_links) continue; + if (radio_idx >= 0) { + if (rdev_get_radio_mask(rdev, wdev->netdev, &mask)) + continue; + + if (!(mask & BIT(radio_idx))) + continue; + } + wdev_bi = cfg80211_wdev_bi(wdev); if (!wdev_bi) @@ -2366,9 +2381,11 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, void *data), void *data) { + const struct wiphy_radio *radio = params->radio; + const struct ieee80211_iface_combination *c; const struct ieee80211_regdomain *regdom; enum nl80211_dfs_regions region = 0; - int i, j, iftype; + int i, j, n, iftype; int num_interfaces = 0; u32 used_iftypes = 0; u32 beacon_int_gcd; @@ -2385,7 +2402,8 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, * interfaces (while being brought up) and channel/radar data. */ cfg80211_calculate_bi_data(wiphy, params->new_beacon_int, - &beacon_int_gcd, &beacon_int_different); + &beacon_int_gcd, &beacon_int_different, + radio); if (params->radar_detect) { rcu_read_lock(); @@ -2402,13 +2420,17 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, used_iftypes |= BIT(iftype); } - for (i = 0; i < wiphy->n_iface_combinations; i++) { - const struct ieee80211_iface_combination *c; + if (radio) { + c = radio->iface_combinations; + n = radio->n_iface_combinations; + } else { + c = wiphy->iface_combinations; + n = wiphy->n_iface_combinations; + } + for (i = 0; i < n; i++, c++) { struct ieee80211_iface_limit *limits; u32 all_iftypes = 0; - c = &wiphy->iface_combinations[i]; - if (num_interfaces > c->max_interfaces) continue; if (params->num_different_channels > c->num_different_channels)