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 C2F9C1C9B81 for ; Mon, 4 Nov 2024 18:20:31 +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=1730744431; cv=none; b=Cj0e7HPUrrisDwnELDh7NSwCm0Ay8TL6Vj7zLRuJXZ3A9i0Aw3G01J16cbw57iGWIc65u+ceoR3IGAL5R4I2uVjBf9I9rRXFscuOLcolfwzBe2XORdnR2deLtZFgw1eKY3KTh7wsTy9yXCeffZ8Ilzr1qzSkRj6kmTe8SKL/xqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730744431; c=relaxed/simple; bh=WTBqeCZsUkQ14VH4gMN6q8rIftg9K/j4M7lLTN2qw/Y=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=bWFWn8jZ65b8kDFiWn8xxTWDDMm51vb/AYmVqBG9TRTcn6LY2l4i91MGsKpfFrBoUAzeDf7obu3W884EHhji+yauBjvZQVgMxkRVgcRN3618ToNLuDTumPQ8VOuVew+FGTo36zEwIRATdww8R5OzIPxFUF+C4gxG3yzq5nzNk4E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pGShyeGp; 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="pGShyeGp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CE9FC4CECE; Mon, 4 Nov 2024 18:20:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730744431; bh=WTBqeCZsUkQ14VH4gMN6q8rIftg9K/j4M7lLTN2qw/Y=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pGShyeGp10XVubdfk7FsOiz610GnhHYZsFzQ/xGehTxtsknPglr1kSK4SAr+jSu6F GbzXmk3mpf8gklHGOzGCh6ehDzBaJkX1N59oY7fN3yhcExvg2ax4Xc496JIDoh7TAv 66j6j1OL17dfTrlEPBFTJuHve4K+7q1FI0Mu+YMp1+avdRYUJyaSR+tFQtVI9swivH ZX14juypDyoyJuxLNLRdR9XyT+xsWMPJNCAgV919coL1GcMPTom41VQtckCHD395Cn VWeF9FEwrc591JGeNP9nprO5v2fjpkKFWnWbNIyAv21DbNdG3bmLTGSP1N9UfyCaR3 xXIThWFgThPrQ== Message-ID: <492160b7-3854-4990-ad3e-625594593a90@kernel.org> Date: Mon, 4 Nov 2024 19:20:28 +0100 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: [PATCH mptcp-next v2 17/36] mptcp: update local address flags when setting it Content-Language: en-GB To: Geliang Tang , mptcp@lists.linux.dev Cc: Geliang Tang References: <7ab7696f338aa9ac73d65439350b38412c2e613d.1729588019.git.tanggeliang@kylinos.cn> From: Matthieu Baerts Autocrypt: addr=matttbe@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Geliang, Thank you for the patch. On 22/10/2024 11:14, Geliang Tang wrote: > From: Geliang Tang > > Just like in-kernel pm, when userspace pm does set_flags, it needs to send > out MP_PRIO signal, and also modify the flags of the corresponding address > entry in the local address list. This patch implements the missing logic. > > Fixes: 892f396c8e68 ("mptcp: netlink: issue MP_PRIO signals from userspace PMs") If it is a fix, can you extract this patch, and target mptcp-net please? When you will do that, you will also need to add mptcp_userspace_pm_lookup_addr() helper: can you do that in the same patch, but using list_for_each_entry(), not mptcp_for_each_address() (nor the new version)? That way, it will be easier to backport the patch without having to depend on other patches or having too many changes. > Signed-off-by: Geliang Tang > --- > net/mptcp/pm_userspace.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c > index d815bfa57532..ec2ac0f9c8f5 100644 > --- a/net/mptcp/pm_userspace.c > +++ b/net/mptcp/pm_userspace.c > @@ -543,6 +543,7 @@ int mptcp_userspace_pm_set_flags(struct sk_buff *skb, struct genl_info *info) > struct mptcp_pm_addr_entry rem = { .addr = { .family = AF_UNSPEC }, }; > struct nlattr *attr_rem = info->attrs[MPTCP_PM_ATTR_ADDR_REMOTE]; > struct nlattr *attr = info->attrs[MPTCP_PM_ATTR_ADDR]; > + struct mptcp_pm_addr_entry *entry; > struct mptcp_sock *msk; > int ret = -EINVAL; > struct sock *sk; > @@ -574,6 +575,16 @@ int mptcp_userspace_pm_set_flags(struct sk_buff *skb, struct genl_info *info) > if (loc.flags & MPTCP_PM_ADDR_FLAG_BACKUP) > bkup = 1; > > + spin_lock_bh(&msk->pm.lock); > + entry = mptcp_userspace_pm_lookup_addr(msk, &loc.addr); > + if (entry) { > + if (bkup) > + entry->flags |= MPTCP_PM_ADDR_FLAG_BACKUP; > + else > + entry->flags &= ~MPTCP_PM_ADDR_FLAG_BACKUP; > + } > + spin_unlock_bh(&msk->pm.lock); > + > lock_sock(sk); > ret = mptcp_pm_nl_mp_prio_send_ack(msk, &loc.addr, &rem.addr, bkup); > release_sock(sk); Cheers, Matt -- Sponsored by the NGI0 Core fund.