From patchwork Wed Oct 9 10:29:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13828128 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 B0E4C18EFE0 for ; Wed, 9 Oct 2024 10:30:03 +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=1728469803; cv=none; b=UTfC3wQ5tzNwf1a1WbEywoXiTm5Kk+kFCsPrlyloarrshcD20djLDM/H9hEugE43ownvoIdT1h5RYmlnR8jzbsbOynAsFx+k71nV4bCEKP2bfUpm7b0HH7fsTvQjEzULYkjvqAQxbAq78cBpClFX6gwqdj5rmbCt1q7alCTtWng= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728469803; c=relaxed/simple; bh=+Ns9vcAYflyNwdX3DkGpNegQAHdxvHGggo6htLg093M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RONKklk7LH1QaPmzEd7EMHDOScUM4wstRCtQdVgHS8vul4yVNne/n2356FYGq2I2bVmemIPLgj8ogXBI3RSTapqmeKC7xj6DlBfX6a376+MaHQho2NoQF4meNoPmSBVagC/yX3UViPlR440AwlvHTxBjvmVEUaDkyl1JZCSWYRw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qx6WLqTT; 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="Qx6WLqTT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 420A8C4CECF; Wed, 9 Oct 2024 10:30:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728469803; bh=+Ns9vcAYflyNwdX3DkGpNegQAHdxvHGggo6htLg093M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qx6WLqTTZfJR8iRv161KoKRUrF+KcFQDf6o/TFw3ERx2IkLtJaN3foc/ooe6IYuXJ hV63DT4na9HWayQvIabEvoPGDFLhjE7HhpE3Y2mlIl4JKBTzTnt4MM+GpAIqiyzc2K 1x/s4TA4fFELOezwPglY29wOqdvBuNEvxSCS8CaXrZv9qaUP16gswDhNvleFHcV231 O86v9qa0k1GwzJ5c2+jz93fAa98S2kf5BWPd1TI7NvIcolPr4TZUjfBPSFzmfEuViP SFM9bKpdINwtQjn8jxe8pG9qAnbecM//+VcU5NO0pUwlTljkYapxk2y4oJy8z/JV6y PF8BmjrwQ07bg== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v3 03/10] Squash to "selftests/bpf: Add bpf_bkup scheduler & test" Date: Wed, 9 Oct 2024 18:29:44 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang Use the newly added bpf_for_each() helper to walk the conn_list. Signed-off-by: Geliang Tang --- .../testing/selftests/bpf/progs/mptcp_bpf_bkup.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c b/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c index 296f0318d843..70c3a69d4a47 100644 --- a/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c +++ b/tools/testing/selftests/bpf/progs/mptcp_bpf_bkup.c @@ -20,26 +20,16 @@ SEC("struct_ops") int BPF_PROG(bpf_bkup_get_subflow, struct mptcp_sock *msk, struct mptcp_sched_data *data) { - int nr = -1; - - for (int i = 0; i < data->subflows && i < MPTCP_SUBFLOWS_MAX; i++) { - struct mptcp_subflow_context *subflow; - - subflow = bpf_mptcp_subflow_ctx_by_pos(data, i); - if (!subflow) - break; + struct mptcp_subflow_context *subflow; + bpf_for_each(mptcp_subflow, subflow, msk) { if (!BPF_CORE_READ_BITFIELD_PROBED(subflow, backup) || !BPF_CORE_READ_BITFIELD_PROBED(subflow, request_bkup)) { - nr = i; + mptcp_subflow_set_scheduled(subflow, true); break; } } - if (nr != -1) { - mptcp_subflow_set_scheduled(bpf_mptcp_subflow_ctx_by_pos(data, nr), true); - return -1; - } return 0; }