From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9B3F432E692; Thu, 12 Mar 2026 01:48:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773280087; cv=none; b=Urob0Unt5y+IicIW3K0Hpp7Ca/RKJyK4SLAAmOytr/n0zQ23f9Ldm6+Lb5e3SiWUVvNvY0Q5bToUUoHRiydEifAV6xDyo6mjP9UCUImN76XXqmpa7+qPJw1TjOdpREe0CeRgbAojfoRC7R/UrYqPp9NowkdjOPD70/kkf39C+b0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773280087; c=relaxed/simple; bh=g3zU/1nV6yV8qSKK59IKoogKsS8ghmFNA+vbOPXnYy8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=t8NIAEKVmnJ4yEySYuDkNLtQDgl4sOuyikFhxoGT11Buprl5JB36JmghA0mIzNyQCvrnWHFTUTsBZsjLXnHiTAmWWj707DHSFbj6eDixI5gJ7/3NJ2wO9nJggm842W1P6t1FFXoHGEkvPkeUqFBSGRD+X+R/jWStGWRZMRpmy9g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WBxdjXMU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WBxdjXMU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92B11C4CEF7; Thu, 12 Mar 2026 01:48:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773280087; bh=g3zU/1nV6yV8qSKK59IKoogKsS8ghmFNA+vbOPXnYy8=; h=From:To:Cc:Subject:Date:From; b=WBxdjXMUnZLCi1L30HMfT/NqjNuesWfU0csvFq4pLX6tYzEl/LjWwpuU7ajVsp45s TZ1WyppDHNB/tgBoZLYIVy7Uwa4cvwYOauOYnhbhg+3wLeCOApALV9/tMLiU7nULXG UhJzoc3yeXsMxG22kczBr9IkCBTvMpw3kBWULBqR6lb+dk5xU0P9+tbnVfq/Osgj6S 8MjHqE3M9goWp3OqyivcvauTOFtGnc5DK+1tabENYfPiCZ8cYnfW2OamkSwAfpSybM YD2ES8rBjhDQ1LdtBIdRNx+JxNm4FpBR9cZ4O/ie1OJs4oPjZgjndQYOIpJyhIYfEB RZ97zMJnqW29g== From: Chuck Lever To: john.fastabend@gmail.com, kuba@kernel.org, sd@queasysnail.net Cc: netdev@vger.kernel.org, kernel-tls-handshake@lists.linux.dev, Chuck Lever Subject: [PATCH v3 0/8] TLS read_sock performance scalability Date: Wed, 11 Mar 2026 21:47:56 -0400 Message-ID: <20260312014804.5083-1-cel@kernel.org> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chuck Lever I'd like to encourage in-kernel kTLS consumers (i.e., NFS and NVMe/TCP) to coalesce on the use of read_sock. When I suggested this to Hannes, he reported a number of nagging performance scalability issues with read_sock. This series is an attempt to run these issues down and get them fixed before we convert the above sock_recvmsg consumers over to read_sock. While I assemble performance data, let's nail down the preferred code structure. Base commit: 05e059510edf ("Merge branch 'eth-fbnic-add-fbnic-self-tests'") --- Changes since v2: - Fix short read self tests Changes since v1: - Add C11 reference - Extend data_ready reduction to recvmsg and splice - Restructure read_sock and recvmsg using shared helpers Chuck Lever (8): tls: Factor tls_decrypt_async_drain() from recvmsg tls: Factor tls_rx_decrypt_record() helper tls: Fix dangling skb pointer in tls_sw_read_sock() tls: Factor tls_strp_msg_release() from tls_strp_msg_done() tls: Suppress spurious saved_data_ready on all receive paths tls: Flush backlog before tls_rx_rec_wait in read_sock tls: Restructure tls_sw_read_sock() into submit/deliver phases tls: Enable batch async decryption in read_sock net/tls/tls.h | 3 +- net/tls/tls_strp.c | 34 ++++++-- net/tls/tls_sw.c | 213 ++++++++++++++++++++++++++++++++------------- 3 files changed, 184 insertions(+), 66 deletions(-) -- 2.52.0