From patchwork Fri Mar 7 11:36:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 14006341 X-Patchwork-Delegate: matthieu.baerts@tessares.net 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 664F625771 for ; Fri, 7 Mar 2025 11:37:19 +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=1741347441; cv=none; b=oG+9Jnhc42o8TPY/G2BfG/d0UB6x923ZysRPJ8/0Jp0VBcNAAhRHZ9yamDfYum688k70dLj3LBgX9ZSLv2ZLCU3la/UPOdM9lKw9ctSkgiw0biDmEptcEmZjABXVd6NN6mspboCjeOGiA4I8GOPkhUNer3Zc74j9N4wP+XjPpiU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741347441; c=relaxed/simple; bh=hqW7ItUM/XSfB36ILy7bSow0nePwi9oZ4mxqFS0CFfc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=REXCHOT0AyorjCFDqHYB7nqIQhe5s+0czg8yVVE60b27iuKzblmctLIlAY7e0YxJdSuALOQKOrEgI21RN3PsnF5BJaAlJ0X8w+ZeVZ8YqAw0+Bw1AVt5bHpcZ5i86aK/Dr5YdylD5pzAzFwKrVYTRx/jgh3k1ZkWpmi6nLgF6OM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ujaa/Sgr; 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="ujaa/Sgr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7B77C4CEE5; Fri, 7 Mar 2025 11:37:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741347439; bh=hqW7ItUM/XSfB36ILy7bSow0nePwi9oZ4mxqFS0CFfc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ujaa/SgrSmPeI0PTbr4GAiDcyYgvKOjEAXyynOg6DRcB55nKCzJC2jcmNULMa5ocX hyBeWMx4SA2JyQjFre9YDaQBKjRrkCkM6paM/kEJQGp58FcTESo9bgjx6Oe7cspJn8 A6oAp6S7fOZljY4XIPzzQhd1Hb2PTe92BS3vLNBiEPzEBoLLJASe0Agh0RcveQYyZF ZT/0bU6URJKHu1pcCz+/wJSpIYMGrbCFzbVaI/bc7zEIhAn1SOOlYtmOhH3yP3nCBY S4e8fmXKpVAEU9HIqb9C3/nbiMsI+E0hCOB8GTMtNRAVOVJv6quayncaHyDU1MZmLC hfWuDHvVIk7DQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 11/11] mptcp: drop subflow contexts in mptcp_sched_data Date: Fri, 7 Mar 2025 19:36:52 +0800 Message-ID: <54a6a158b655f9e19588a1460867316f6d0cef64.1741347233.git.tanggeliang@kylinos.cn> 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 The mptcp_subflow_sched bpf_iter is added now, it's better to use the helper bpf_for_each(mptcp_subflow_sched) to traverse all subflows on the conn_list of an MPTCP socket and then call kfunc to modify the fields of each subflow in the WIP MPTCP BPF packet scheduler examples, instead of converting them to a fixed array. With this helper, we can get rid of this subflow array "contexts" and the size of it "subflows" in struct mptcp_sched_data. Signed-off-by: Geliang Tang --- include/net/mptcp.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/include/net/mptcp.h b/include/net/mptcp.h index bd3d1b3654dd..0083af204000 100644 --- a/include/net/mptcp.h +++ b/include/net/mptcp.h @@ -100,11 +100,7 @@ struct mptcp_out_options { #define MPTCP_SCHED_MAX 128 #define MPTCP_SCHED_BUF_MAX (MPTCP_SCHED_NAME_MAX * MPTCP_SCHED_MAX) -#define MPTCP_SUBFLOWS_MAX 8 - struct mptcp_sched_data { - u8 subflows; - struct mptcp_subflow_context *contexts[MPTCP_SUBFLOWS_MAX]; struct task_struct *bpf_iter_task; };