From mboxrd@z Thu Jan 1 00:00:00 1970 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 7E0A18120D for ; Wed, 21 Feb 2024 16:19:14 +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=1708532354; cv=none; b=ma+atKOPo3qe8CM1weKF7Jn7uBlBbKLfIgnvEjRKnMrFMnZ1ZKvtPaJc+vbXdH07StJvxpJHeXCHDwDbUzwSSkCawwa8hP4E1EJwEHbfEcuTXj8lnPQX4Z/BaV6my4mq61nyv6Sm5IUa9gCyNmZSLw5Oh8SY77clt7acdiznxaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708532354; c=relaxed/simple; bh=ij4AubE0xHottwc/acxzgyidQeWxJXbY2iGiJ517SWI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=W105e+fAkRJMOHYkG71XYjDwysCoZXMrWXguWaEWQtevgGXhSncN7GDli3kwPlqPBXT9BkVJ2h5vJz4yXT7Q82+yxoa+5cWLLktyfjlyeUgGMsuu37eRu1dHaIqEPH8DeVAixhnm6+EASnezJUxc8JC2Z8yElBiS+6gY+NiS9Bs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iaTFt402; 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="iaTFt402" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C9AFC433F1; Wed, 21 Feb 2024 16:19:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708532354; bh=ij4AubE0xHottwc/acxzgyidQeWxJXbY2iGiJ517SWI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=iaTFt402lxh6fYYdvHKjNOQj0PE54KLHcQMqUsmeF+9aqsVI0/fL0yE/85phWeKxJ abeIHUiG6/Kbfwv7pvaqcOnFsZavcRbPMaS4k+/JSg7H0IaxFM+eCcpy+7d/Uo15Wt /wFmAzor6DKRgTVfqV1j32LW4wp6myoLH82zjHv6O3yFZqMgrISWZAb9x0w5GLuhfc OIRMwMBwSRbjpCrPM3otOCjmmCUmasuEkcxojNM+VLLpcbA6cRcxwajN4+fsCDVzRT e13UghCIup6lSPfgYMlMHqeo/mxGk2EorKyhG9OP3VEzz/HsRNASWfgnz2IJl0h6A0 vUCGe4aey7TQA== Message-ID: <8f77ced8-5964-49ac-a5a6-d06093f91e93@kernel.org> Date: Wed, 21 Feb 2024 17:19:13 +0100 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mptcp-next 6/8] mptcp: add use_id parameter for addresses_equal Content-Language: en-GB, fr-BE To: Geliang Tang , mptcp@lists.linux.dev Cc: Geliang Tang References: From: Matthieu Baerts Autocrypt: addr=matttbe@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Geliang, On 21/02/2024 7:31 am, Geliang Tang wrote: > From: Geliang Tang > > This patch adds a new parameter use_id for mptcp_addresses_equal() to > test the address ids, as well as the address. This can be used to test > if the two given addresses are identically equal, they have both the > same address and the same address id. (...) > diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h > index 7905783c95e4..1c32f579e1a1 100644 > --- a/net/mptcp/protocol.h > +++ b/net/mptcp/protocol.h > @@ -670,7 +670,8 @@ void mptcp_set_owner_r(struct sk_buff *skb, struct sock *sk); > void mptcp_set_state(struct sock *sk, int state); > > bool mptcp_addresses_equal(const struct mptcp_addr_info *a, > - const struct mptcp_addr_info *b, bool use_port); > + const struct mptcp_addr_info *b, > + bool use_port, bool use_id); That's a lot of modifications just to introduce one new parameter. Would it not be better to use a macro? #define mptcp_addresses_equal(a, b, use_port) \ mptcp_addresses_equal_check_id(a, b, use_port, false) Or maybe better with an "inline" function? Or extending the function: bool mptcp_addresses_equal_check_id(...) { return mptcp_addresses_equal(...) ? a->id == b->id : false; } => Or only do this extra check in mptcp_lookup_anno_list_by_saddr() where you need that, no? I will check with Mat what he thinks about that. > void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr); > > /* called with sk socket lock held */ Cheers, Matt -- Sponsored by the NGI0 Core fund.