From patchwork Wed Oct 16 09:33:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13838023 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 3DD951C07E7 for ; Wed, 16 Oct 2024 09:33:56 +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=1729071237; cv=none; b=OrqCzJQilXjMcP4R0Pu5BGb0ncqPoTIAq/nA9lDgK27U+nwNY5snsnA3s010eea5OMK4N2bHQIjKS34t/tF9TK658fH/GaArut9+SDKQFX0B8jy2TRvhgtewBT97fghitVNGirzc5XkY6EQjhK7LwEvOMM3g0NwkvkaSh9V+xA8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729071237; c=relaxed/simple; bh=kluoBO/R6sSTRa++1QN22ufQ3f93T/nrEDI8kCfpCTA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=F6aLOgLzNQ6d3+SMk9f4TDwLfTJXK7pt7C50zfjX69Jm3PPGcnm1Tfbk6YNfjQtJqUo7IbgmJejAKab8DFmHI/kQaazMhswnC7vmIbbxiayn2/+6YgF9AJ2QjhIDM/CVsi5KETh5zu5QOmctv1vG97ARU3eHcNwGYxFsgXotl2w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y1QLejXY; 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="Y1QLejXY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37BD4C4CECF; Wed, 16 Oct 2024 09:33:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729071236; bh=kluoBO/R6sSTRa++1QN22ufQ3f93T/nrEDI8kCfpCTA=; h=From:To:Cc:Subject:Date:From; b=Y1QLejXYdhaUj3TLxSm421j1MLptGpjKEuaniRYK3FVq42ez28+Yk5iTjIlDMf76H XdfNE0XfdmvWxxYWeSAJgnsVxQuZxZOgSTvjCcwC3OqOTjoajQupcteqXZEssa71St /JR+23Khoey8Pn0IRTHfrgLwIa9JuUeiYClCzjamISrrp4TrGPkXmYAoeUEnzPRStC LsvPhgQk0UeP4aclxyp7BFpAnq1QFLYgc6qlGbXj+4Le+flftYHX2jvo2M6pT6GYCm 4O4e4dQ7e0HMxMp7+UT5Ie+Z1Uhd0megD40qn16UE0iSiVbx64RCGmxG7aiycQB3aC llXgf9n/MkyXA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v6 00/10] use bpf_iter in bpf schedulers Date: Wed, 16 Oct 2024 17:33:36 +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 v6: - rebased to "add mptcp_subflow bpf_iter" v10 v5: - patch 2, drop mptcp_sock_type and mptcp_subflow_type. - patch 3, revert "bpf: Export more bpf_burst related functions" - patch 4, merge "bpf: Export more bpf_burst related functions" into it. v4: - patch 2, a new cleanup for "bpf: Add bpf_mptcp_sched_ops". - patch 3 should be reverted. - patch 8, register kfunc_set. v3: - rebased. - put the "drop has_bytes_sent" squash-to patch into this set. v2: - update bpf_rr and bpf_burst With the newly added mptcp_subflow bpf_iter, we can get rid of the subflows array "contexts" in struct mptcp_sched_data. This set uses bpf_for_each(mptcp_subflow) helper to update all the bpf schedules: bpf_for_each(mptcp_subflow, subflow, msk) { ... ... mptcp_subflow_set_scheduled(subflow, true); } Depends on: - "add mptcp_subflow bpf_iter" v10 Based-on: Geliang Tang (10): Revert "mptcp: add sched_data helpers" Squash to "bpf: Add bpf_mptcp_sched_ops" Squash to "bpf: Add bpf_mptcp_sched_kfunc_set" Squash to "selftests/bpf: Add bpf_first scheduler & test" Squash to "selftests/bpf: Add bpf_bkup scheduler & test" Squash to "selftests/bpf: Add bpf_rr scheduler & test" Squash to "selftests/bpf: Add bpf_red scheduler & test" Squash to "selftests/bpf: Add bpf_burst scheduler & test" mptcp: drop subflow contexts in mptcp_sched_data Squash to "selftests/bpf: Add bpf scheduler test" - drop has_bytes_sent include/net/mptcp.h | 2 - net/mptcp/bpf.c | 24 ++---- net/mptcp/protocol.h | 2 - net/mptcp/sched.c | 22 ------ .../testing/selftests/bpf/prog_tests/mptcp.c | 48 ++++++------ tools/testing/selftests/bpf/progs/mptcp_bpf.h | 3 - .../selftests/bpf/progs/mptcp_bpf_bkup.c | 16 +--- .../selftests/bpf/progs/mptcp_bpf_burst.c | 77 ++++++++++--------- .../selftests/bpf/progs/mptcp_bpf_bytes.c | 39 ++++++++++ .../selftests/bpf/progs/mptcp_bpf_first.c | 8 +- .../selftests/bpf/progs/mptcp_bpf_red.c | 8 +- .../selftests/bpf/progs/mptcp_bpf_rr.c | 24 +++--- 12 files changed, 133 insertions(+), 140 deletions(-) create mode 100644 tools/testing/selftests/bpf/progs/mptcp_bpf_bytes.c