From patchwork Mon Oct 7 13:59:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Hopps X-Patchwork-Id: 13824755 X-Patchwork-Delegate: kuba@kernel.org Received: from smtp.chopps.org (smtp.chopps.org [54.88.81.56]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 875A01D45FE for ; Mon, 7 Oct 2024 14:11:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.88.81.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728310290; cv=none; b=WuBYS2UGZgWd4Megjl7jTmN3xd0LN6j5Yplz9xkAcWd50qjQK7ih3LzNjVc5QqbFpPM+MWybJ2asuhsaOlEsub+76mO8afR7dp4wU4Fa9zzW73cAC323eYvf2WubDmozqxmQ5Mgzt9xW4fdj/n72875SyFCcMTJ+ZcKmva6+UIE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728310290; c=relaxed/simple; bh=oo0VJn/iO8Uhg25jXWZBTuxHqV7ScKBQpI1FaXhquoQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CfD46GCRjsfEGYHIqL6609BR2W5ygoDUUeE1wXYkaLiCybktM8UWfL5yBfMWSqMIgFKawEjI+psW9UHFS0ym7jb5wo1+5xqdXlNwwhleddXDGlZoflXKcGxkVaVfsk9Kpizn/Zcg+dGhSfNC54fda+WqB9V+xgRS8Jc5hTiz/yE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=chopps.org; spf=fail smtp.mailfrom=chopps.org; arc=none smtp.client-ip=54.88.81.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=chopps.org Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=chopps.org Received: from labnh.big (syn-172-222-091-149.res.spectrum.com [172.222.91.149]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by smtp.chopps.org (Postfix) with ESMTPSA id D14417D12A; Mon, 7 Oct 2024 13:59:46 +0000 (UTC) From: Christian Hopps To: devel@linux-ipsec.org Cc: Steffen Klassert , netdev@vger.kernel.org, Florian Westphal , Sabrina Dubroca , Simon Horman , Antony Antony , Christian Hopps , Christian Hopps Subject: [PATCH ipsec-next v12 01/16] xfrm: config: add CONFIG_XFRM_IPTFS Date: Mon, 7 Oct 2024 09:59:13 -0400 Message-ID: <20241007135928.1218955-2-chopps@chopps.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241007135928.1218955-1-chopps@chopps.org> References: <20241007135928.1218955-1-chopps@chopps.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Christian Hopps Add new Kconfig option to enable IP-TFS (RFC9347) functionality. Signed-off-by: Christian Hopps --- net/xfrm/Kconfig | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig index d7b16f2c23e9..f0157702718f 100644 --- a/net/xfrm/Kconfig +++ b/net/xfrm/Kconfig @@ -135,6 +135,22 @@ config NET_KEY_MIGRATE If unsure, say N. +config XFRM_IPTFS + tristate "IPsec IP-TFS/AGGFRAG (RFC 9347) encapsulation support" + depends on XFRM + help + Information on the IP-TFS/AGGFRAG encapsulation can be found + in RFC 9347. This feature supports demand driven (i.e., + non-constant send rate) IP-TFS to take advantage of the + AGGFRAG ESP payload encapsulation. This payload type + supports aggregation and fragmentation of the inner IP + packet stream which in turn yields higher small-packet + bandwidth as well as reducing MTU/PMTU issues. Congestion + control is unimplementated as the send rate is demand driven + rather than constant. + + If unsure, say N. + config XFRM_ESPINTCP bool