From patchwork Wed Oct 9 08:25:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13827726 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 4A10818870E for ; Wed, 9 Oct 2024 08:26:02 +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=1728462364; cv=none; b=FSqbP6tkZLZxGO90jlKd7TL8sZSogPyCCvXby+PsJUm88n3wK4Q6kk69zpTjWXQfqd39yqgRpEVXyJ93d1SVZy0RNBg+oousJ29AblGWk8RvwF6XgYBBdi1yBOKPE7HhAg2IKxA+CC1ZraHBlOAhVDMk4JxH7uVj8AKtF35Cjo4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728462364; c=relaxed/simple; bh=T8aWZ6ky5aMDHgPLNEcVU9kDrGQy7UHqv2FTHwcaPcM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=muhSyc60DuY4SmuCjC4clqU94J/TNP/EagrlOPNKsjYthOnOtB1yZMrIYcFBWkitJnm423xr9laFC292Pa2e4poyTKN4sJZDcGzO3L/aD32ZA9QJkZWYemB3uGtHMS/Oq9UOy+ajwTyzPt51Hti5ysI4OIDxl7QwOuoh3ZJWC44= 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=q5gfLgRY; 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="q5gfLgRY" 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=7uDNsfTjVvQpbFVeu1LtI5HvkmVHibvN2xo4MmfehWQ=; b=q5gfLgRYVVj+kr3ZvxgTwqQCpM zUCOTC0Rha8hZaFCYAHu2Tpr2h6tIPKn8/TD8EEhkCRVjKB7StCNBWZsaEPmjZKdfD0EHwmspqex5 VvrsZ/c8DSli9UcuZpQsg8blJKKm0wCoWZKygn1meqB1qEjKkMdeVP+7RhzRw346gNm8=; Received: from p54ae98e8.dip0.t-ipconnect.de ([84.174.152.232] helo=Maecks.lan) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.96) (envelope-from ) id 1syS14-006e0I-2r; Wed, 09 Oct 2024 10:25:55 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net Subject: [PATCH v5 08/11] wifi: cfg80211: add monitor SKIP_TX flag Date: Wed, 9 Oct 2024 10:25:49 +0200 Message-ID: X-Mailer: git-send-email 2.46.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This can be used to indicate that the user is not interested in receiving locally sent packets on the monitor interface. Signed-off-by: Felix Fietkau --- include/net/cfg80211.h | 2 ++ include/uapi/linux/nl80211.h | 2 ++ net/wireless/nl80211.c | 1 + 3 files changed, 5 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 045866b9ffb9..c5c7ccad439e 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -2269,6 +2269,7 @@ static inline int cfg80211_get_station(struct net_device *dev, * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering * @MONITOR_FLAG_COOK_FRAMES: report frames after processing * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address + * @MONITOR_FLAG_SKIP_TX: do not pass locally transmitted frames */ enum monitor_flags { MONITOR_FLAG_CHANGED = BIT(__NL80211_MNTR_FLAG_INVALID), @@ -2278,6 +2279,7 @@ enum monitor_flags { MONITOR_FLAG_OTHER_BSS = BIT(NL80211_MNTR_FLAG_OTHER_BSS), MONITOR_FLAG_COOK_FRAMES = BIT(NL80211_MNTR_FLAG_COOK_FRAMES), MONITOR_FLAG_ACTIVE = BIT(NL80211_MNTR_FLAG_ACTIVE), + MONITOR_FLAG_SKIP_TX = BIT(NL80211_MNTR_FLAG_SKIP_TX), }; /** diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 1b8827f920ff..6d11437596b9 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -4703,6 +4703,7 @@ enum nl80211_survey_info { * overrides all other flags. * @NL80211_MNTR_FLAG_ACTIVE: use the configured MAC address * and ACK incoming unicast packets. + * @NL80211_MNTR_FLAG_SKIP_TX: do not pass local tx packets * * @__NL80211_MNTR_FLAG_AFTER_LAST: internal use * @NL80211_MNTR_FLAG_MAX: highest possible monitor flag @@ -4715,6 +4716,7 @@ enum nl80211_mntr_flags { NL80211_MNTR_FLAG_OTHER_BSS, NL80211_MNTR_FLAG_COOK_FRAMES, NL80211_MNTR_FLAG_ACTIVE, + NL80211_MNTR_FLAG_SKIP_TX, /* keep last */ __NL80211_MNTR_FLAG_AFTER_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 72749cdda091..8d997fafd5f6 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4206,6 +4206,7 @@ static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_SKIP_TX] = { .type = NLA_FLAG }, }; static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)