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 DFF052F5B for ; Wed, 30 Apr 2025 05:49:51 +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=1745992192; cv=none; b=W0vqYqS5yKfNOQNv8Hfa1vaLAQugsyh9xZN3FhpX4UBbGGhiYhMjF9iPb4/oTuOzOZWZAKZH9uSWV2NXoHSin7wzrj2W68Y2GTz4143xrwsLCqGhWONLSgRDaLM+H0E1j5g6BN+uO0WEiU8KS/OT4xTG9hFe2/vAHTQX3mTYqEU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745992192; c=relaxed/simple; bh=ZUwIViCdab2KCbflIdSjQBP7qKxM+kKegnnEz9VyX0w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=U5iuQJAPeSuoasCqcgilJEf6ELe9VJc0SmEJFCIj/hKdKcPaC2j9BPN2b0M5vTP20x4Vw8G70ozu4uQdyiZGgGYF4qmfw1vWRsMQI37EzqKi9VtDpETgXRS32D49U0LQKKGWOn38KmJbh5z8JuAnQbfuMs6lfLMH+82dAA97dfM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H/8RfyKC; 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="H/8RfyKC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25FD8C4CEE9; Wed, 30 Apr 2025 05:49:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745992191; bh=ZUwIViCdab2KCbflIdSjQBP7qKxM+kKegnnEz9VyX0w=; h=From:To:Cc:Subject:Date:From; b=H/8RfyKCfOi6hasECVS1wpx4KKmVzbdpa28/8XHdyuyp3TMaUAibzxYPM7hOtax+5 AxsTn+JydapTolxq6k9/UzQTWiwq3gnJEN1x0YZuQkvaCDBnsA2Nau2eDPHhxomCtC VTRCjm2SEd3s8u+jRkZBCOTkQ3OX89woo30NevvbKtihl9KfKQr6ytzb/hrcjZtjhg XREHYcFoLea4enrG6i+tnoNvIOPsXWwHWx7gtobsI2YnGIsgr5HEd4rkMaAD+gCTUk f/XbiK3FaZyG4en8xIfyLhhnntFhtR5M6LLTjP2mgxu8wZpAK4nbS/4h3G61EF8q2T 4jTtsojuI6qBg== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v3 0/2] Add TCP_MAXSEG socket option support Date: Wed, 30 Apr 2025 13:49:43 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit v3: - drop "EXPORT_SYMBOL(tcp_sock_set_maxseg)" as Matt suggested. - use mptcp_getsockopt_first_sf_only instead of mptcp_put_int_option. - drop selftest - add a packetdrill test. v2: - add a new helper tcp_sock_set_maxseg. - add maxseg member of struct mptcp_sock. - add mptcp_setsockopt_all_subflows helper. - invoke mptcp_setsockopt_all_subflows under the msk socket lock. - drop mptcp_getsockopt_sol_tcp_maxseg, use mptcp_put_int_option instead. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/515 Geliang Tang (2): tcp: add tcp_sock_set_maxseg mptcp: add TCP_MAXSEG sockopt support include/linux/tcp.h | 1 + net/ipv4/tcp.c | 23 ++++++++++++++--------- net/mptcp/protocol.h | 1 + net/mptcp/sockopt.c | 25 +++++++++++++++++++++++++ 4 files changed, 41 insertions(+), 9 deletions(-) -- 2.43.0