This config param allows the delivery of broadcast and multicast packets to the secondary interface of non-lacp bonds, equivalent to the option "all_slaves_active" for Linux kernel bonds.
Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1720935 Signed-off-by: Christophe Fontaine <[email protected]> --- NEWS | 2 + ofproto/bond.c | 10 +++- ofproto/bond.h | 3 + tests/ofproto-dpif.at | 132 ++++++++++++++++++++++++++++++++++++++++++ vswitchd/bridge.c | 3 + vswitchd/vswitch.xml | 20 +++++++ 6 files changed, 169 insertions(+), 1 deletion(-) diff --git a/NEWS b/NEWS index 994fdf6a9..165ad4b8b 100644 --- a/NEWS +++ b/NEWS @@ -43,6 +43,8 @@ Post-v2.17.0 * 'dpif-netdev/subtable-lookup-prio-get' appctl command renamed to 'dpif-netdev/subtable-lookup-info-get' to better reflect its purpose. The old variant is kept for backward compatibility. + - bond: + * Added new configuration knob 'all_members_active' for non lacp bonds. v2.17.0 - 17 Feb 2022 diff --git a/ofproto/bond.c b/ofproto/bond.c index 845f69e21..0603844f3 100644 --- a/ofproto/bond.c +++ b/ofproto/bond.c @@ -125,6 +125,8 @@ struct bond { uint32_t basis; /* Basis for flow hash function. */ bool use_lb_output_action; /* Use lb_output action to avoid recirculation. Applicable only for Balance TCP mode. */ + bool all_members_active; /* Accept multicast packets on secondary + members of a non-LACP Balance SLB bond. */ char *primary; /* Name of the primary member. */ /* SLB specific bonding info. */ @@ -448,6 +450,7 @@ bond_reconfigure(struct bond *bond, const struct bond_settings *s) bond->updelay = s->up_delay; bond->downdelay = s->down_delay; + bond->all_members_active = s->all_members_active; if (bond->lacp_fallback_ab != s->lacp_fallback_ab_cfg) { bond->lacp_fallback_ab = s->lacp_fallback_ab_cfg; @@ -893,7 +896,7 @@ bond_check_admissibility(struct bond *bond, const void *member_, /* Drop all multicast packets on inactive members. */ if (eth_addr_is_multicast(eth_dst)) { - if (bond->active_member != member) { + if (bond->active_member != member && !bond->all_members_active) { goto out; } } @@ -1495,6 +1498,11 @@ bond_print_details(struct ds *ds, const struct bond *bond) use_lb_output_action ? "enabled" : "disabled", use_lb_output_action ? recirc_id : -1); + if(bond->balance == BM_SLB ) { + ds_put_format(ds, "all members active: %s\n", + bond->all_members_active ? "true" : "false"); + } + ds_put_format(ds, "updelay: %d ms\n", bond->updelay); ds_put_format(ds, "downdelay: %d ms\n", bond->downdelay); diff --git a/ofproto/bond.h b/ofproto/bond.h index 1683ec878..2eb0c95a7 100644 --- a/ofproto/bond.h +++ b/ofproto/bond.h @@ -62,6 +62,9 @@ struct bond_settings { ovs run. */ bool use_lb_output_action; /* Use lb_output action. Only applicable for bond mode BALANCE TCP. */ + bool all_members_active; /* Accept multicast packets on secondary + interface. Only applicable for non-LACP + BALANCE SLB bond mode. */ }; /* Program startup. */ diff --git a/tests/ofproto-dpif.at b/tests/ofproto-dpif.at index 2c18e094d..0ea549b43 100644 --- a/tests/ofproto-dpif.at +++ b/tests/ofproto-dpif.at @@ -591,6 +591,138 @@ NXST_FLOW reply: OVS_VSWITCHD_STOP() AT_CLEANUP + +AT_SETUP([bond - discard duplicated frames]) +dnl With an active/active non-lacp bond, the default behaviour +dnl is to discard multicast frames on the secondary interface. +OVS_VSWITCHD_START([dnl + add-bond br0 bond0 p1 p2 -- dnl + set Port bond0 bond-mode=balance-slb other-config:bond-rebalance-interval=0 -- dnl + set Interface p1 type=dummy ofport_request=1 -- dnl + set Interface p2 type=dummy ofport_request=2 ]) + +AT_CHECK([ovs-appctl bond/set-active-member bond0 p1], [0], [ignore]) +AT_CHECK([ovs-ofctl add-flow br0 actions=NORMAL]) + +AT_CHECK([ovs-appctl bond/show bond0 | STRIP_ACTIVE_MEMBER_MAC], [0], [dnl +---- bond0 ---- +bond_mode: balance-slb +bond may use recirculation: no, Recirc-ID : -1 +bond-hash-basis: 0 +lb_output action: disabled, bond-id: -1 +all members active: false +updelay: 0 ms +downdelay: 0 ms +lacp_status: off +lacp_fallback_ab: false +active-backup primary: <none> +<active member mac del> + +member p1: enabled + active member + may_enable: true + +member p2: enabled + may_enable: true + +]) + +AT_CHECK([ovs-appctl ofproto/trace br0 in_port=1,dl_dst=ff:ff:ff:ff:ff:ff], [0], [dnl +Flow: in_port=1,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 + +bridge("br0") +------------- + 0. priority 32768 + NORMAL + -> no learned MAC for destination, flooding + +Final flow: unchanged +Megaflow: recirc_id=0,eth,in_port=1,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 +Datapath actions: 100 +]) + +AT_CHECK([ovs-appctl ofproto/trace br0 in_port=2,dl_dst=ff:ff:ff:ff:ff:ff], [0], [dnl +Flow: in_port=2,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 + +bridge("br0") +------------- + 0. priority 32768 + NORMAL + -> bonding refused admissibility, dropping + +Final flow: unchanged +Megaflow: recirc_id=0,eth,in_port=2,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 +Datapath actions: drop +]) +OVS_VSWITCHD_STOP() +AT_CLEANUP + +AT_SETUP([bond - allow duplicated frames]) +dnl Receiving of duplicated multicast frames should be allowed with 'all_members_active'. +OVS_VSWITCHD_START([dnl + add-bond br0 bond0 p1 p2 -- dnl + set Port bond0 bond-mode=balance-slb other-config:bond-rebalance-interval=0 dnl + other_config:all_members_active=true -- dnl + set Interface p1 type=dummy ofport_request=1 -- dnl + set Interface p2 type=dummy ofport_request=2]) + +AT_CHECK([ovs-appctl bond/set-active-member bond0 p1], [0], [ignore]) +AT_CHECK([ovs-ofctl add-flow br0 actions=NORMAL]) + +OVS_WAIT_UNTIL_EQUAL([ovs-appctl bond/show bond0 | STRIP_ACTIVE_MEMBER_MAC], [dnl +---- bond0 ---- +bond_mode: balance-slb +bond may use recirculation: no, Recirc-ID : -1 +bond-hash-basis: 0 +lb_output action: disabled, bond-id: -1 +all members active: true +updelay: 0 ms +downdelay: 0 ms +lacp_status: off +lacp_fallback_ab: false +active-backup primary: <none> +<active member mac del> + +member p1: enabled + active member + may_enable: true + +member p2: enabled + may_enable: true +]) + +AT_CHECK([ovs-appctl ofproto/trace br0 in_port=1,dl_dst=ff:ff:ff:ff:ff:ff], [0], [dnl +Flow: in_port=1,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 + +bridge("br0") +------------- + 0. priority 32768 + NORMAL + -> no learned MAC for destination, flooding + +Final flow: unchanged +Megaflow: recirc_id=0,eth,in_port=1,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 +Datapath actions: 100 +]) + +AT_CHECK([ovs-appctl ofproto/trace br0 in_port=2,dl_dst=ff:ff:ff:ff:ff:ff], [0], [dnl +Flow: in_port=2,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 + +bridge("br0") +------------- + 0. priority 32768 + NORMAL + -> no learned MAC for destination, flooding + +Final flow: unchanged +Megaflow: recirc_id=0,eth,in_port=2,dl_src=00:00:00:00:00:00,dl_dst=ff:ff:ff:ff:ff:ff,dl_type=0x0000 +Datapath actions: 100 +]) + +OVS_VSWITCHD_STOP() +AT_CLEANUP + + AT_SETUP([ofproto-dpif - resubmit]) OVS_VSWITCHD_START add_of_ports br0 1 10 11 12 13 14 15 16 17 18 19 20 21 diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c index e328d8ead..b0c01bd71 100644 --- a/vswitchd/bridge.c +++ b/vswitchd/bridge.c @@ -4615,6 +4615,9 @@ port_configure_bond(struct port *port, struct bond_settings *s) s->use_lb_output_action = (s->balance == BM_TCP) && smap_get_bool(&port->cfg->other_config, "lb-output-action", false); + /* all_members_active is disabled by default. */ + s->all_members_active = smap_get_bool(&port->cfg->other_config, + "all_members_active", false); } /* Returns true if 'port' is synthetic, that is, if we constructed it locally diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml index cc1dd77ec..a83066229 100644 --- a/vswitchd/vswitch.xml +++ b/vswitchd/vswitch.xml @@ -2085,6 +2085,26 @@ <code>true</code>). </column> + <column name="other_config" key="all_members_active" + type='{"type": "boolean"}'> + <p> + Enable/Disable delivery of broadcast/multicast packets on secondary + interface of a balance-slb bond. Relevant only when + <ref column="lacp"/> is <code>off</code>. + </p> + + <p> + This parameter is identical to <code>all_slaves_active</code> for + Linux kernel bonds. This is useful when we need to share 2 physical + functions between an OVS bond and a Linux bond, as 2 LACP sessions + can't be negotiated over the same physical link. LACP session will + be managed by the kernel bond, while an active-active bond is used + for OVS. In that particular configuration, the physical switch will + send a unique copy of broadcast packets over the 2 physical links, + eventually to the secondary link of the bond. + </p> + </column> + <group title="Link Failure Detection"> <p> An important part of link bonding is detecting that links are down so -- 2.36.1 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
