From patchwork Tue Sep 24 09:28:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13810585 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 CDEA215534D for ; Tue, 24 Sep 2024 09:28:48 +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=1727170128; cv=none; b=jEkBHD2e0/pqWd+V4x/jsZKVHOFQwOwfESIO4gkfVfkw3idbfH1rtzxKOvPXraqiZbGHn4Fq8ULJM6mlcVdcCXUfNgoqj/LYogl+VKh6gFU5wZiXTAr8VHXU5Ad9HS1qKIycBTxvd/h+3MRxw3khFl5nhqsTDROWtkmi7X+i6k8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727170128; c=relaxed/simple; bh=+Ns9vcAYflyNwdX3DkGpNegQAHdxvHGggo6htLg093M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GDk84vUC4AapLmHqRuG33n8BhWYUIteA4yLhP20ihA7J3j+jVBI82eB8AK4SEM33h4j1dR3ip9rnMjxTl3yuDNenlckloG8MqarfVa9MbKm4O8XZeI0o+B0l9zatIpg1v+va399EiHQgXoGO9DESorvUHwCx9J8+MEwBPikctSw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Xnim8PpY; 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="Xnim8PpY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B25F8C4CEC4; Tue, 24 Sep 2024 09:28:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727170128; bh=+Ns9vcAYflyNwdX3DkGpNegQAHdxvHGggo6htLg093M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xnim8PpYhh6QcSTDMTH0wav9usIKCjKj/QIcgoa9PhuzR/zrPA8BNbXuMX0ZSJBG3 FQFDodWR21yU+MpfpUZ3hReOijSuR+lg+GFJvwrATGAxurJFj846JSeWngQdqnBTLp Go0AONkZcsJEcepJ9WR3C6GNh5KNIj6nALv9kt2vSr8UKC3uewl71NVCqGnMCy2RVM uIn0hweNVufz/iDMs8KC+XLzQT0AEZ9emB642lbdAcS8pVaJ6BUwcQ8NUZTqDGvFeM ajfGHTAwMuZ3toZwqqowle7jMGEJnDEjA8ssEW1N47MEggYEVZ0Dt2CjwZRBntsFPk jxq92qMJrm2/A== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 4/8] Squash to "selftests/bpf: Add bpf_bkup scheduler & test" Date: Tue, 24 Sep 2024 17:28:32 +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; }