From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.99 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794536202; b=yhhBsniS71Qg/fnebr+US83zet7SS5es7Tjl8LMG5ZXJVyjpdOx2+RZTQ6Zwv+EB/1M5 1QcY8For4D6Nwv+vTx479G+P9xgeSSTTnKLamR3dNBx75JX1A3o3cU7+KA+LRkwOENfLl 98HqTJieHPj264umPeta31RLKAy7dQUaRR1YhdR6kdFTFhmplp4zE4ckMwfAx2JWg9rXs eFakwtU0FFRV1jPzVRt6oxlYlQQbOz/tJx3AjdNUOyNSnmo9TpOaA5+6FFQcZKhphxSsK YxT6vrP4pCU7a5aR7SOOE58R/1d+VtonY8h3Aul/4Mp2fjVbCkVEgD99ZyWScv4Iwyw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794536202; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=bpQRDrxx2bpL2VvnttbeWwutzp0HVnsNMS4rnwfsbp8=; b=ppFixlPPe6i3JpDS/0jwExzli4BjSQt/ZUDnZl5tyD226QfCIAoZFgguOk1KhGKR8WfC o4rPF7gDXt7bS5/Rakeh8qP5ZNnFjXw0WdcdfnmWcn+EfCj9b2smEzsZzgIF6fKBM6H3u n1CmPVBSXsQkSqW1N3XX2hW8ogTuAkDbfQsERAUHg6NYamTSt0oLKlxUSyzikoJg8DCfR IDHRuU23Bl7FhFGxCsH/slnfrQru3lIYAQwj9M1ZSs6J8A9kipGYqh9fuxaya1/XdNCzp PccNnnnBwCYP+dgqKbxcWQ+IAwvBX5h6l7cREeBVLz3NLyJg8fgQ1oeu9tui1HjKUsQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=i+QQ5ES0; arc=none smtp.remote-ip=91.218.175.99 Received: from mta0.migadu.com (out-99.mta0.migadu.com [91.218.175.99]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 658D5606A32E for ; Fri, 13 Nov 2026 02:16:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 658D5606A32E Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=i+QQ5ES0 X-Envelope-To: netdev@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=GBveLCadS9QGGlTaphsN8yzGhqi5dq+SICTfuAMy8R0=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794536199; v=1; x=1795140999; b=i+QQ5ES0rHDKnte1cicMTe5YSN5SngMxI3xlFB7tZnDE3SBo0vakj7fQk2FAyWJwOO3sm6St Jc9Y41oQsxDL0xzN/wsmuoaX9ZBkjq8NyWG2FJ67gs32H2K7TSX4/o1uLbOpH+VKBYUZWt1y3Wh Y79bSpv+JL+VzhWpXigHZz60= X-Envelope-To: netdev@vger.kernel.org Received: by mta11.migadu.com with ESMTPS id 6b9387c472035193; Fri, 13 Nov 2026 02:16:39 +0000 X-Mizu-Trace-ID: 6b9387c472035193 X-Migadu-Flow: FLOW_OUT Date: Fri, 13 Nov 2026 10:16:28 +0800 From: Hangbin Liu To: Ido Schimmel Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@kernel.org, jv@jvosburgh.net, andrew+netdev@lunn.ch, razor@blackwall.org, aahila@google.com Subject: Re: [PATCH net-next 2/2] selftests: bonding: Add a test for 802.3ad with coupled control disabled Message-ID: References: <20261111171947.2816258-1-idosch@nvidia.com> <20261111171947.2816258-2-idosch@nvidia.com> X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261111171947.2816258-2-idosch@nvidia.com> On Wed, Nov 11, 2026 at 07:19:47PM +0200, Ido Schimmel wrote: > Test that with coupled control disabled, a port in COLLECTING state > receives packets. > > In this mode, a port only transitions from COLLECTING to DISTRIBUTING > state if its partner sets the Collecting bit in its LACPDUs. Therefore, > keep the port in COLLECTING state by clearing the Collecting bit in > received LACPDUs. > > Also test that ping works once the port moves to DISTRIBUTING state. > > Use VRFs rather than network namespaces so that the test could be run > with a veth pair or a pair of physically connected ports. > > Output without "bonding: 3ad: Receive packets in COLLECTING state": > > # ./bond_lacp_independent_control.sh > TEST: Receive in COLLECTING state [FAIL] > Packets not received in COLLECTING state > TEST: Ping in DISTRIBUTING state [ OK ] > > Output with the fix: > > # ./bond_lacp_independent_control.sh > TEST: Receive in COLLECTING state [ OK ] > TEST: Ping in DISTRIBUTING state [ OK ] > > Reviewed-by: Petr Machata > Signed-off-by: Ido Schimmel > --- > .../selftests/drivers/net/bonding/Makefile | 1 + > .../bonding/bond_lacp_independent_control.sh | 144 ++++++++++++++++++ > .../selftests/drivers/net/bonding/config | 6 + > 3 files changed, 151 insertions(+) > create mode 100755 tools/testing/selftests/drivers/net/bonding/bond_lacp_independent_control.sh > > diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile > index e337c099fb40..46d9fede5918 100644 > --- a/tools/testing/selftests/drivers/net/bonding/Makefile > +++ b/tools/testing/selftests/drivers/net/bonding/Makefile > @@ -7,6 +7,7 @@ TEST_PROGS := \ > bond-eth-type-change.sh \ > bond-lladdr-target.sh \ > bond_ipsec_offload.sh \ > + bond_lacp_independent_control.sh \ > bond_lacp_prio.sh \ > bond_lacp_strict.sh \ > bond_macvlan_ipvlan.sh \ > diff --git a/tools/testing/selftests/drivers/net/bonding/bond_lacp_independent_control.sh b/tools/testing/selftests/drivers/net/bonding/bond_lacp_independent_control.sh > new file mode 100755 > index 000000000000..c29712e01e49 > --- /dev/null > +++ b/tools/testing/selftests/drivers/net/bonding/bond_lacp_independent_control.sh > @@ -0,0 +1,144 @@ > +#!/bin/bash > +# SPDX-License-Identifier: GPL-2.0 > + > +# +-------------------------+ +-------------------------+ > +# | H1 (vrf) | | H2 (vrf) | > +# | + bond1 (802.3ad) | | + bond2 (802.3ad) | > +# | | coupled_control off | | | | > +# | | 192.0.2.1/28 | | | 192.0.2.2/28 | > +# | | | | | | > +# | + $h1 | | + $h2 | > +# +--|----------------------+ +--|----------------------+ > +# | | > +# +---------------------------+ > + > +# shellcheck disable=SC2034,SC2329 > +ALL_TESTS=" > + collecting > + distributing > +" > +NUM_NETIFS=2 > +REQUIRE_MZ=no > +lib_dir=$(dirname "$0") > +# shellcheck disable=SC1091 > +source "$lib_dir"/../../../net/forwarding/lib.sh > + > +lacp_state_get() > +{ > + local dev=$1; shift > + > + ip -d -j link show dev "$dev" | \ > + jq '.[].linkinfo.info_slave_data.ad_actor_oper_port_state' > +} > + > +# The actor state of a port in ATTACHED state is 0x0f: Activity (0x01), > +# Timeout (0x02), Aggregation (0x04) and Synchronization (0x08). The > +# Collecting (0x10) bit is added in COLLECTING state (0x1f) and the > +# Distributing (0x20) bit in DISTRIBUTING state (0x3f). > +lacp_state_wait() > +{ > + local dev=$1; shift > + local state=$1; shift > + > + slowwait "$WAIT_TIMEOUT" until_counter_is "== $state" \ > + lacp_state_get "$dev" > /dev/null > +} > + > +partner_state_clear() > +{ > + local bits=$1; shift > + > + tc filter replace dev "$h1" ingress pref 1 handle 101 protocol 0x8809 \ > + flower skip_hw action pedit munge offset 18 u8 set 0 \ > + retain "$bits" > +} > + > +h1_create() > +{ > + adf_ip_link_add bond1 type bond mode 802.3ad lacp_rate fast \ > + coupled_control off > + adf_ip_link_set_master "$h1" bond1 > + adf_simple_if_init bond1 192.0.2.1/28 > + > + tc qdisc add dev "$h1" clsact > + defer tc qdisc del dev "$h1" clsact > + > + tc qdisc add dev bond1 clsact > + defer tc qdisc del dev bond1 clsact > + > + tc filter add dev bond1 ingress pref 1 handle 101 proto ip \ > + flower skip_hw src_ip 192.0.2.2 dst_ip 192.0.2.1 \ > + ip_proto icmp type 8 action pass > + defer tc filter del dev bond1 ingress pref 1 handle 101 flower > +} > + > +h2_create() > +{ > + adf_ip_link_add bond2 type bond mode 802.3ad lacp_rate fast > + adf_ip_link_set_master "$h2" bond2 > + adf_simple_if_init bond2 192.0.2.2/28 > +} > + > +setup_prepare() > +{ > + h1=${NETIFS[p1]} > + h2=${NETIFS[p2]} > + > + adf_vrf_prepare > + > + h1_create > + h2_create > +} > + > +collecting() > +{ > + local pkts > + > + RET=0 > + > + # Clear the Synchronization (0x08) and Collecting (0x10) bits in the > + # partner's state to move $h1 to ATTACHED state and then only clear > + # the Collecting bit to move it to COLLECTING state. > + partner_state_clear 0x18 > + defer tc filter del dev "$h1" ingress pref 1 handle 101 flower > + lacp_state_wait "$h1" 0x0f > + check_err $? "Port did not reach ATTACHED state" > + > + partner_state_clear 0x10 > + lacp_state_wait "$h1" 0x1f > + check_err $? "Port did not reach COLLECTING state" > + > + # $h1 cannot reply to ARP requests in COLLECTING state. > + ip neigh add 192.0.2.1 lladdr "$(mac_get bond1)" dev bond2 \ > + nud permanent > + defer ip neigh del 192.0.2.1 dev bond2 > + > + ping_do bond2 192.0.2.1 > + pkts=$(tc_rule_handle_stats_get "dev bond1 ingress" 101) > + ((pkts >= PING_COUNT)) > + check_err $? "Packets not received in COLLECTING state" > + > + log_test "Receive in COLLECTING state" > +} > + > +distributing() > +{ > + RET=0 > + > + lacp_state_wait "$h1" 0x3f > + check_err $? "Port did not reach DISTRIBUTING state" > + > + ping_do bond2 192.0.2.1 > + check_err $? "Ping failed" > + > + log_test "Ping in DISTRIBUTING state" > +} > + > +trap cleanup EXIT > + > +setup_prepare > +setup_wait > + > +tests_run > + > +exit "$EXIT_STATUS" > diff --git a/tools/testing/selftests/drivers/net/bonding/config b/tools/testing/selftests/drivers/net/bonding/config > index b62c70715293..71c6d69d98a1 100644 > --- a/tools/testing/selftests/drivers/net/bonding/config > +++ b/tools/testing/selftests/drivers/net/bonding/config > @@ -1,13 +1,17 @@ > CONFIG_BONDING=y > +CONFIG_BPF_SYSCALL=y > CONFIG_BRIDGE=y > +CONFIG_CGROUP_BPF=y > CONFIG_CONFIGFS_FS=y > CONFIG_DUMMY=y > CONFIG_INET_ESP=y > CONFIG_INET_ESP_OFFLOAD=y > CONFIG_IPV6=y > +CONFIG_IPV6_MULTIPLE_TABLES=y > CONFIG_IPVLAN=y > CONFIG_MACVLAN=y > CONFIG_NET_ACT_GACT=y > +CONFIG_NET_ACT_PEDIT=m > CONFIG_NET_CLS_FLOWER=y > CONFIG_NET_CLS_MATCHALL=m > CONFIG_NETCONSOLE=m > @@ -15,7 +19,9 @@ CONFIG_NETCONSOLE_DYNAMIC=y > CONFIG_NETCONSOLE_EXTENDED_LOG=y > CONFIG_NETDEVSIM=m > CONFIG_NET_IPGRE=y > +CONFIG_NET_L3_MASTER_DEV=y > CONFIG_NET_SCH_INGRESS=y > +CONFIG_NET_VRF=y > CONFIG_NLMON=y > CONFIG_VETH=y > CONFIG_VLAN_8021Q=m > -- > 2.56.0 > Tested-by: Hangbin Liu Reviewed-by: Hangbin Liu