From patchwork Thu Aug 1 08:02:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Hopps X-Patchwork-Id: 13749940 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 96893481DD for ; Thu, 1 Aug 2024 08:03:32 +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=1722499413; cv=none; b=bjmsVYKcBLHFH0FDF+gRW/Ke4xP+2vi5JKn0nRVyLahx3NdBW8z3OiND0vIwn8hHwJe3DloSinQf+ZGh7rnlDxwjkA05lf2IUMWh0ayOUJPpddAejsSRmtdXgxDleGrFVp9myL3yPJAMb4ILL1qSSeewvkXM4m499I9HQSGS0co= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722499413; c=relaxed/simple; bh=oo0VJn/iO8Uhg25jXWZBTuxHqV7ScKBQpI1FaXhquoQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Srdn/l6ebTdzU8FDS4BkeurWMKQEblQprGoYKaw6gw0dwLrUgKMngRumFXr3iP3ULH6xkT72tzvFDJHXdLZnLCU8916iYy7i5jKcWnjHqvfqNLDDJREImCeASuKdW5KMg2WRVg3NUi1ezHm9LwN3kdIOaouImyjPE16f49o2nK0= 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 9D6EE7D0DA; Thu, 1 Aug 2024 08:03:31 +0000 (UTC) From: Christian Hopps To: devel@linux-ipsec.org Cc: Steffen Klassert , netdev@vger.kernel.org, Christian Hopps , Christian Hopps Subject: [PATCH ipsec-next v7 01/16] xfrm: config: add CONFIG_XFRM_IPTFS Date: Thu, 1 Aug 2024 04:02:59 -0400 Message-ID: <20240801080314.169715-2-chopps@chopps.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240801080314.169715-1-chopps@chopps.org> References: <20240801080314.169715-1-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