From nobody Tue Feb 10 00:41:45 2026 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 459E51EA85 for ; Thu, 5 Sep 2024 13:52:19 +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=1725544340; cv=none; b=o6Ee+2uiJmXEUMBcC2YqY8SpGN5efe25NAdYNkOEsAVzH5mXAl7/ZtW4aTW3lL11ULhOVdzB3MRFiGS33EX8GTqacDQ6Y+WMBY5sCnCzU8I/gjbQiw0Mq8oAfaDnSLvREvnmz8BoSUalDbAD2N2bwcge4vBbedzNX/RfsqSL8kQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725544340; c=relaxed/simple; bh=/7dcNxe7NJjQWtVfZyZqdN9uo0e0jW6M0qXBu8fSDN8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mD8AJoDcxQXyj/B/wDQPAMxxHZl7bk7vrsPrRwuAlZ8bfjRgj1iK4Wkx6K2Wmtaw8Qh5wUDTcL5qPB9KWSxK3GcfwosCulI3+xypEHglXWjIO9AcyWLbrzNmZTppm8ttnAcJVlHOnSGr1NxDsE7v0hVrJgRvpFdYPq++M5xEzDY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o+ZuNabf; 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="o+ZuNabf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0455DC4CEC7; Thu, 5 Sep 2024 13:52:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725544339; bh=/7dcNxe7NJjQWtVfZyZqdN9uo0e0jW6M0qXBu8fSDN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o+ZuNabfl9JBDS6+aDwFpZRAWfBarmZ0ehsO6V7pZOYMacXowoAc1AvMNIS0U6u4m fIe332GPRbjum6rUr7aBYGTQuu82MHBoyzKOKDUlgp921LgnQAvI11hZRWBLa4/SS1 dxer+L11HyVXp/A/zCBlvT84PcknHMdg2L+Ilw0x+O6J3wtwOSn+T0CsUiCXP5y96Z q+reImIrRoPuFaILF5r+6ONz1liD+EzR2rgz3Dbc5od1MTcdor0mXorb9CzZK8tnAx DZ0IF5zDcrmkT4eTaTQpOEAl+IlahHn1Hi8py+z0slhLVInab1JQkAmZzbkWc0FIkx 9t2Ir08CfzADg== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 2/4] bpf: Register mptcp tracing kfunc set Date: Thu, 5 Sep 2024 21:52:10 +0800 Message-ID: <10a0327a5c882326e5ace658bfd2a4d6e075d794.1725544210.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 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang Since the kfuncs mptcp_subflow_active() and mptcp_subflow_set_scheduled() are invoked in the mptcp_subflow bpf_iter test in a trace for mptcp_subflow_get_send(), it's necessary to register them into a BPF_PROG_TYPE_TRACING type kfunc set. Note: BTF_KFUNCS_START(bpf_mptcp_sched_kfunc_ids) BTF_ID_FLAGS(func, mptcp_subflow_set_scheduled) BTF_ID_FLAGS(func, mptcp_subflow_active) BTF_KFUNCS_END(bpf_mptcp_sched_kfunc_ids) Signed-off-by: Geliang Tang --- net/mptcp/bpf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/mptcp/bpf.c b/net/mptcp/bpf.c index cda09bbfd617..01aedaff66ed 100644 --- a/net/mptcp/bpf.c +++ b/net/mptcp/bpf.c @@ -301,6 +301,8 @@ static int __init bpf_mptcp_kfunc_init(void) int ret; =20 ret =3D register_btf_fmodret_id_set(&bpf_mptcp_fmodret_set); + ret =3D ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING, + &bpf_mptcp_sched_kfunc_set); ret =3D ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_STRUCT_OPS, &bpf_mptcp_sched_kfunc_set); #ifdef CONFIG_BPF_JIT --=20 2.43.0