From patchwork Sun Jun 30 07:50:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13717086 X-Patchwork-Delegate: johannes@sipsolutions.net 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 F0D108F72 for ; Sun, 30 Jun 2024 07:51:03 +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=1719733867; cv=none; b=gS8WPEMCwwrzRc4RmRds1SDPKgZT5wnx3cLNzgt13xBTeXZ42i8A49tn2tSugBJFupzmZBbsat5fsRZd6WAyDlS8/1qJ82EcjJ0094taZFGNWokrCLAVRP7+35jCOAmTCIMO1QArhtvVGAuUdsJUzKkLUaKY2NBghVc/9x8nN/Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719733867; c=relaxed/simple; bh=fzDix0avtTN+uvsT9f/yZJnVVcf4wyTqjnbc8eusqfY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OK2rNaO/+5D8QgGyLbU6ae1jO4ulHU6kGfDoSOSwdwyDuSsSnWioFuVmysEs+l3f8GmopodtVzrfwqbIax1r9fte+hstc4zyp2/pTgz7eewu+n17Nz+11HBp2UvawIjGeflfvoFOkttFZNgN/n8ShuNKOa3+zjA1ag28JO9Q0rU= 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=WYgp3Q0l; 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="WYgp3Q0l" 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=4XJgwF6KjTKdAyuXkBxu+59gxtF/+5/4ZMJrvPcYeHM=; b=WYgp3Q0lGMU3sdpFtcr8IwnElz yeU/jvM16d9Nc9SWh4JjnAsJTIgfpNvf75UZ4hcjUjzCrVlWN0QxvexU2v8MqKnRQvaRW7nkO1D28 nVely4W92eMo3z3JkbXw2BzN82slnkOnkmzlBYwUSYqSzqhkgwKr3YOqWYNVEGXW8JRE=; Received: from p4ff13dca.dip0.t-ipconnect.de ([79.241.61.202] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.96) (envelope-from ) id 1sNpKo-000sh7-26; Sun, 30 Jun 2024 09:50:54 +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: [PATCH v2 01/10] wifi: nl80211: split helper function from nl80211_put_iface_combinations Date: Sun, 30 Jun 2024 09:50:44 +0200 Message-ID: <22a0eee19dbcf98627239328bc66decd3395122c.1719733819.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 Create a helper function that puts the data from struct ieee80211_iface_combination to a nl80211 message. This will be used for adding per-radio interface combination data. Signed-off-by: Felix Fietkau --- net/wireless/nl80211.c | 111 ++++++++++++++++++++++-------------------- 1 file changed, 59 insertions(+), 52 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 674368d028f3..deacd5f3f256 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1631,71 +1631,78 @@ static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) return -ENOBUFS; } -static int nl80211_put_iface_combinations(struct wiphy *wiphy, - struct sk_buff *msg, - bool large) +static int nl80211_put_ifcomb_data(struct sk_buff *msg, bool large, int idx, + const struct ieee80211_iface_combination *c) { - struct nlattr *nl_combis; - int i, j; + struct nlattr *nl_combi, *nl_limits; + int i; - nl_combis = nla_nest_start_noflag(msg, - NL80211_ATTR_INTERFACE_COMBINATIONS); - if (!nl_combis) + nl_combi = nla_nest_start_noflag(msg, idx); + if (!nl_combi) goto nla_put_failure; - for (i = 0; i < wiphy->n_iface_combinations; i++) { - const struct ieee80211_iface_combination *c; - struct nlattr *nl_combi, *nl_limits; + nl_limits = nla_nest_start_noflag(msg, NL80211_IFACE_COMB_LIMITS); + if (!nl_limits) + goto nla_put_failure; - c = &wiphy->iface_combinations[i]; + for (i = 0; i < c->n_limits; i++) { + struct nlattr *nl_limit; - nl_combi = nla_nest_start_noflag(msg, i + 1); - if (!nl_combi) + nl_limit = nla_nest_start_noflag(msg, i + 1); + if (!nl_limit) goto nla_put_failure; - - nl_limits = nla_nest_start_noflag(msg, - NL80211_IFACE_COMB_LIMITS); - if (!nl_limits) + if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, c->limits[i].max)) goto nla_put_failure; + if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, + c->limits[i].types)) + goto nla_put_failure; + nla_nest_end(msg, nl_limit); + } - for (j = 0; j < c->n_limits; j++) { - struct nlattr *nl_limit; + nla_nest_end(msg, nl_limits); - nl_limit = nla_nest_start_noflag(msg, j + 1); - if (!nl_limit) - goto nla_put_failure; - if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, - c->limits[j].max)) - goto nla_put_failure; - if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, - c->limits[j].types)) - goto nla_put_failure; - nla_nest_end(msg, nl_limit); - } + if (c->beacon_int_infra_match && + nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) + goto nla_put_failure; + if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, + c->num_different_channels) || + nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, + c->max_interfaces)) + goto nla_put_failure; + if (large && + (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, + c->radar_detect_widths) || + nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, + c->radar_detect_regions))) + goto nla_put_failure; + if (c->beacon_int_min_gcd && + nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, + c->beacon_int_min_gcd)) + goto nla_put_failure; - nla_nest_end(msg, nl_limits); + nla_nest_end(msg, nl_combi); - if (c->beacon_int_infra_match && - nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) - goto nla_put_failure; - if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, - c->num_different_channels) || - nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, - c->max_interfaces)) - goto nla_put_failure; - if (large && - (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, - c->radar_detect_widths) || - nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, - c->radar_detect_regions))) - goto nla_put_failure; - if (c->beacon_int_min_gcd && - nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, - c->beacon_int_min_gcd)) - goto nla_put_failure; + return 0; +nla_put_failure: + return -ENOBUFS; +} - nla_nest_end(msg, nl_combi); - } +static int nl80211_put_iface_combinations(struct wiphy *wiphy, + struct sk_buff *msg, + bool large) +{ + struct nlattr *nl_combis; + int i; + + nl_combis = nla_nest_start_noflag(msg, + NL80211_ATTR_INTERFACE_COMBINATIONS); + if (!nl_combis) + goto nla_put_failure; + + for (i = 0; i < wiphy->n_iface_combinations; i++) + if (nl80211_put_ifcomb_data(msg, large, i + 1, + &wiphy->iface_combinations[i])) + goto nla_put_failure; nla_nest_end(msg, nl_combis);