From patchwork Tue Mar 4 11:40:27 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 14000534 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 84C771FCD00 for ; Tue, 4 Mar 2025 11:40:46 +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=1741088446; cv=none; b=nlv7IVzCopnbPVcPRmvemkks6XOiDibgw+QZ1JDQkoctecWNUvBpXBFos2fFes+n1BiI6ESIAT1c2pecyReBIKiuozxAUzXIheo4+LFKrr1UsUmbn+hlzqLJmhMdZfDn3I7nBf6+zLrthbTKViSd2Jj+n8I8bW8Xw1ygXPIFrtg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741088446; c=relaxed/simple; bh=rfajYf7DUQxZnDv2m+107j0h8ecz9/y4LAjNvWMtHe8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=rVirRhG9O3yhT2wywWvn/lTktkPorYC057BLvwLNCVcg+6a9qXeuowy88KTmTwUDpFWiis1TmG0Njzxd3eLFI+5WQIlUUSKzWrPaX2ucw/4ottG1UtgXz3H5pYsewQFsQdJIWZlQQATpEEFqz47u++eiMjHOtVWzkNvj/ixJrnY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KGniDt20; 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="KGniDt20" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAB7FC4CEE5; Tue, 4 Mar 2025 11:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741088445; bh=rfajYf7DUQxZnDv2m+107j0h8ecz9/y4LAjNvWMtHe8=; h=From:To:Cc:Subject:Date:From; b=KGniDt20pUiIJwYXz94ke59c94nMpU4Ha0G3AHAnmkmvUPBMqvGGOv+s28ZyKbhVE B8g3u9UDuaou03d1jKcTiKlZY5likxHoDGXp5YWE0lSJSpfA0Kgee09r4Wt3ocIryN Rl9lPE8iakMRknbkCC1b+qBZs9GijZldGOTvJ5ke8JXnZTWlNp+hS9gaRfjgW3of8P WeEs5x+Rwp4seJY2ceWyQ2bIyt9oJCA63WqUXIqeTaHUDEIn4roOgX8VqMu5pfRZZu ORWp214lypNfLhqqZjkdOjkAmFI6pnm64LzE5HoD6HrSEwEG4OwrI+5WOVQv/I0CxR kLMxNLMUllNyQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v8 00/12] BPF path manager, part 5 Date: Tue, 4 Mar 2025 19:40:27 +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 From: Geliang Tang v8: - address Matt's comments in v7. v7: - addresss Matt's comments in v6 [1]. - drop "type" from struct mptcp_pm_ops as Matt suggested. - map "pm_type" to new sysctl as Matt suggested. Depends on: - mptcp: pm: code reorganisation, v2 Based-on: <20250228-mptcp-pm-reorg-code-v2-0-fa8b2542b7a5@kernel.org> [1] https://patchwork.kernel.org/project/mptcp/cover/cover.1740320007.git.tanggeliang@kylinos.cn/ v6: - add "name" in struct mptcp_pm_ops. - add some "sysctl" patches. - drop "struct mptcp_pm_param". - drop "pm_type" in mptcp_pm_data. v5: - use "struct mptcp_pm_param *param" as unified parameters for all interfaces. - register in-kernel mptcp_pm_ops too. - only implement two interfaces "get_local_id" and "get_priority" in this set. v4: - include a new patch "define BPF path manager type". - add new interfaces: created established closed listerner_created listener_closed - rename interfaces as: address_announced address_removed subflow_established subflow_closed get_priority set_priority - rename functions as: mptcp_pm_validate mptcp_pm_register mptcp_pm_unregister mptcp_pm_initialize mptcp_pm_release v3: - rename the 2nd parameter of get_local_id() from 'local' to 'skc'. - keep the 'msk_sport' check in mptcp_userspace_pm_get_local_id(). - return 'err' instead of '0' in userspace_pm_subflow_create(). - drop 'ret' variable inmptcp_pm_data_reset(). - fix typos in commit log. v2: - update get_local_id interface in patch 2. get_addr() and dump_addr() interfaces of BPF userspace pm are dropped as Matt suggested. In order to implement BPF path manager, it's necessary to unify the interfaces of the path manager. This set contains some cleanups and refactoring to unify the interfaces in kernel space. Finally, define a struct mptcp_pm_ops for a path manager. Geliang Tang (12): mptcp: pm: define struct mptcp_pm_ops mptcp: sysctl: new sysctl to set path manager by name mptcp: sysctl: map pm_type to path_manager mptcp: sysctl: map path_manager to pm_type mptcp: sysctl: add available_path_managers mptcp: pm: in-kernel: register mptcp_pm_kernel mptcp: pm: userspace: register mptcp_pm_userspace mptcp: pm: initialize and release mptcp_pm_ops mptcp: pm: add get_local_id() interface mptcp: pm: add get_priority() interface selftests: mptcp: add pm_type mapping tests selftests: mptcp: add path_manager sysctl test Documentation/networking/mptcp-sysctl.rst | 23 +++ include/net/mptcp.h | 19 +++ net/mptcp/ctrl.c | 112 +++++++++++++- net/mptcp/pm.c | 145 ++++++++++++++---- net/mptcp/pm_kernel.c | 35 ++++- net/mptcp/pm_userspace.c | 36 ++++- net/mptcp/protocol.h | 18 ++- .../testing/selftests/net/mptcp/mptcp_join.sh | 49 +++++- 8 files changed, 393 insertions(+), 44 deletions(-)