Hi Justin,

I rebased the patches to recent master. Please find them attached.

Best regards,
Zoltan

> -----Original Message-----
> From: Justin Pettit [mailto:jpet...@ovn.org]
> Sent: Friday, February 02, 2018 12:00 AM
> To: Ben Pfaff <b...@ovn.org>
> Cc: Zoltán Balogh <zoltan.bal...@ericsson.com>; g...@ovn.org; 
> d...@openvswitch.org; Jan Scheurich
> <jan.scheur...@ericsson.com>
> Subject: Re: [ovs-dev] [PATCH v3 3/3] xlate: call tnl_neigh_snoop() from 
> terminate_native_tunnel()
> 
> I wasn't able to get this patch to apply to the tip of master.  Zoltan, can 
> you rebase this patch and repost?
> 
> The main thing my patch series does is make it so that packets that have a 
> controller action aren't processed
> entirely in userspace.  If, for example, the patches expect packets to be in 
> userspace without an explicit slow-path
> request when generating the datapath flow, then that would be a problem.
> 
> --Justin
> 
> 
> > On Feb 1, 2018, at 2:17 PM, Ben Pfaff <b...@ovn.org> wrote:
> >
> > Justin, I think this is mainly a question about your patches, can you
> > take a look?
> >
> > On Fri, Jan 26, 2018 at 01:08:35PM +0000, Zoltán Balogh wrote:
> >> Hi,
> >>
> >> I've been investigating the failing unit test. I can confirm, it does fail
> >> with my series on master. However, when I created the series and sent it to
> >> the mailing list it did not.
> >>
> >> I've rebased my series to this commit before I sent it to the mailing list.
> >>  commit f59cb331c481d08f9a851c07cf31e9d826650485
> >>  Author: Yi Yang <yi.y.y...@intel.com>
> >>  Date:   Sat Jan 6 13:47:51 2018 +0800
> >>
> >> If I apply the series to the commit below, the test does pass.
> >>
> >> So, I started to search for any commits between the one from Yi Yang and 
> >> the
> >> Last one on master which could make my series fail on the OVN unit test
> >> "/32 router IP address".
> >>
> >> I found, that reverting the series of two commits from Justin Pettit below,
> >> makes my series pass the unit test again. Even rebased to master.
> >>
> >>  commit 74c4530dca939109f3fb79776b60b8722e149738
> >>  Author: Justin Pettit <jpet...@ovn.org>
> >>  Date:   Wed Oct 18 23:16:22 2017 -0700
> >>
> >>      ofproto-dpif: Don't slow-path controller actions with pause.
> >>
> >>      A previous patch removed slow-pathing for controller actions with the
> >>      exception of ones that specified "pause".  This commit removes that
> >>      restriction so that no controller actions are slow-pathed.
> >>
> >>      Signed-off-by: Justin Pettit <jpet...@ovn.org>
> >>      Acked-by: Ben Pfaff <b...@ovn.org>
> >>
> >>  commit d39ec23de38464ee35b3098b9f6c5f06d5191015
> >>  Author: Justin Pettit <jpet...@ovn.org>
> >>  Date:   Wed Jul 5 15:17:52 2017 -0700
> >>
> >>      ofproto-dpif: Don't slow-path controller actions.
> >>
> >>      Controller actions have become more commonly used for purposes other
> >>      than just making forwarding decisions (e.g., packet logging).  A 
> >> packet
> >>      that needs to be copied to the controller and forwarded would always 
> >> be
> >>      sent to ovs-vswitchd to be handled, which could negatively affect
> >>      performance and cause heavier CPU utilization in ovs-vswitchd.
> >>
> >>      This commit changes the behavior so that OpenFlow controller actions
> >>      become userspace datapath actions while continuing to let packet
> >>      forwarding and manipulation continue to be handled by the datapath
> >>      directly.
> >>
> >>      This patch still slow-paths controller actions with the "pause" flag
> >>      set.  A future patch will stop slow-pathing these pause actions as
> >>      well.
> >>
> >>      Signed-off-by: Justin Pettit <jpet...@ovn.org>
> >>      Acked-by: Ben Pfaff <b...@ovn.org>
> >>
> >> The main difference, my series does compared to master, is not putting the
> >> ARP entry of {10.0.0.2, f0:00:00:01:02:04, br-int} into tunnel neighbor
> >> cache. All the OF rules are almost the same, except loading different
> >> numbers into NXM_NX_REGx and using different metadata.
> >>
> >> How should this be related to Justin's series?
> >>
> >> If I modify the unit test and populate the missing ARP entry then the test
> >> does pass.
> >>
> >> Should this entry be present in the ARP neighbor cache in order to make the
> >> test pass? If yes, then why?
> >>
> >> Best regards,
> >> Zoltan
> >>
> >>> -----Original Message-----
> >>> From: Ben Pfaff [mailto:b...@ovn.org]
> >>> Sent: Tuesday, January 23, 2018 8:02 PM
> >>> To: Zoltán Balogh <zoltan.bal...@ericsson.com>
> >>> Cc: d...@openvswitch.org; Jan Scheurich <jan.scheur...@ericsson.com>
> >>> Subject: Re: [ovs-dev] [PATCH v3 3/3] xlate: call tnl_neigh_snoop() from 
> >>> terminate_native_tunnel()
> >>>
> >>> On Tue, Jan 09, 2018 at 07:54:33PM +0100, Zoltan Balogh wrote:
> >>>> Currenlty, OVS snoops any ARP or ND packets in any bridge and populates
> >>>> the tunnel neighbor cache with the retreived data. For instance, when
> >>>> ARP reply originated by a tenant is received in an overlay bridge, the
> >>>> ARP message is snooped and tunnel neighbor cache is filled with tenant
> >>>> data, however only tunnel neighbor data should be stored there.
> >>>>
> >>>> This patch moves tunnel neighbor snooping from do_xlate_actions() to
> >>>> terminate_native_tunnel() where native tunnel is terminated, in order to
> >>>> keep ARP neighbor cache clean, i.e. only packets comming from a native
> >>>> tunnel are snooped.
> >>>>
> >>>> By applying the patch, only ARP and Neighbor Advertisement messages
> >>>> addressing a tunnel endpoint (LOCAL port of underlay bridge) are
> >>>> snooped. In order to achieve this, IP addresses of the bridge are
> >>>> retrieved and then stored in xbridge by calling xlate_xbridge_set().
> >>>> These data is then matched against the data extracted from an ARP or
> >>>> Neighbor Advertisement message in is_neighbor_reply_correct() which is
> >>>> invoked from terminate_native_tunnel().
> >>>>
> >>>> Signed-off-by: Zoltan Balogh <zoltan.bal...@ericsson.com>
> >>>
> >>> Thanks a lot!
> >>>
> >>> It appears to me that this patch makes the following test consistently
> >>> fail.  When I revert the test, it passes for me again.  Can you take a
> >>> look?
> >>>
> >>> Thanks,
> >>>
> >>> Ben.
> >>>
> >>> #                             -*- compilation -*-
> >>> 2370. ovn.at:8136: testing ovn -- /32 router IP address ...
> >>> creating ovn-sb database
> >>> creating ovn-nb database
> >>> starting ovn-northd
> >>> starting backup ovn-northd
> >>> adding simulator 'main'
> >>> adding simulator 'hv1'
> >>> adding simulator 'hv2'
> >>> ../../tests/ovn.at:8198: ovn_populate_arp__
> >>> stdout:
> >>> OK
> >>> OK
> >>>
> >>> checking packets in hv2/vif1-tx.pcap against expected:
> >>> expected 1 packets, only received 0
> >>> ../../tests/ovn.at:8230: sort $rcv_text
> >>> --- expout      2018-01-23 10:59:47.231797273 -0800
> >>> +++ /home/blp/nicira/ovs/_build/tests/testsuite.dir/at-groups/2370/stdout 
> >>>       2018-01-23 10:59:47.231797273 -
> 0800
> >>> @@ -1 +0,0 @@
> >>> -f0000001020400000001020408004500001c000000003f110100c0a801020a0000020035111100080000
> >>> 2370. ovn.at:8136: 2370. ovn -- /32 router IP address (ovn.at:8136): 
> >>> FAILED (ovn.at:8230)
> >>>
> >>>
> >>>> ---
> >>>> include/sparse/netinet/in.h   |  10 +++
> >>>> ofproto/ofproto-dpif-xlate.c  | 147 
> >>>> ++++++++++++++++++++++++++++++++++++++++--
> >>>> tests/tunnel-push-pop-ipv6.at |  68 ++++++++++++++++++-
> >>>> tests/tunnel-push-pop.at      |  67 ++++++++++++++++++-
> >>>> 4 files changed, 282 insertions(+), 10 deletions(-)
> >>>>
> >>>> diff --git a/include/sparse/netinet/in.h b/include/sparse/netinet/in.h
> >>>> index 6abdb2331..eea41bd7f 100644
> >>>> --- a/include/sparse/netinet/in.h
> >>>> +++ b/include/sparse/netinet/in.h
> >>>> @@ -123,6 +123,16 @@ struct sockaddr_in6 {
> >>>>      (X)->s6_addr[10] == 0xff &&                \
> >>>>      (X)->s6_addr[11] == 0xff)
> >>>>
> >>>> +#define IN6_IS_ADDR_MC_LINKLOCAL(a)                 \
> >>>> +    (((const uint8_t *) (a))[0] == 0xff &&          \
> >>>> +     (((const uint8_t *) (a))[1] & 0xf) == 0x2)
> >>>> +
> >>>> +# define IN6_ARE_ADDR_EQUAL(a,b)                                        
> >>>>   \
> >>>> +    ((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0]) &&    
> >>>>   \
> >>>> +     (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1]) &&    
> >>>>   \
> >>>> +     (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2]) &&    
> >>>>   \
> >>>> +     (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3]))
> >>>> +
> >>>> #define INET_ADDRSTRLEN 16
> >>>> #define INET6_ADDRSTRLEN 46
> >>>>
> >>>> diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c
> >>>> index 2328ec1da..16bc0cd96 100644
> >>>> --- a/ofproto/ofproto-dpif-xlate.c
> >>>> +++ b/ofproto/ofproto-dpif-xlate.c
> >>>> @@ -90,6 +90,16 @@ VLOG_DEFINE_THIS_MODULE(ofproto_dpif_xlate);
> >>>>  * recursive or not. */
> >>>> #define MAX_RESUBMITS (MAX_DEPTH * MAX_DEPTH)
> >>>>
> >>>> +/* The structure holds an array of IP addresses assigned to a bridge 
> >>>> and the
> >>>> + * number of elements in the array. These data are mutable and are 
> >>>> evaluated
> >>>> + * when ARP or Neighbor Advertisement packets received on a native 
> >>>> tunnel
> >>>> + * port are xlated. So 'ref_cnt' and RCU are used for synchronization. 
> >>>> */
> >>>> +struct xbridge_addr {
> >>>> +    struct in6_addr *addr;        /* Array of IP addresses of xbridge. 
> >>>> */
> >>>> +    int n_addr;                   /* Number of IP addresses. */
> >>>> +    struct ovs_refcount ref_cnt;
> >>>> +};
> >>>> +
> >>>> struct xbridge {
> >>>>     struct hmap_node hmap_node;   /* Node in global 'xbridges' map. */
> >>>>     struct ofproto_dpif *ofproto; /* Key in global 'xbridges' map. */
> >>>> @@ -113,6 +123,8 @@ struct xbridge {
> >>>>
> >>>>     /* Datapath feature support. */
> >>>>     struct dpif_backer_support support;
> >>>> +
> >>>> +    struct xbridge_addr *addr;
> >>>> };
> >>>>
> >>>> struct xbundle {
> >>>> @@ -576,7 +588,8 @@ static void xlate_xbridge_set(struct xbridge *, 
> >>>> struct dpif *,
> >>>>                               const struct dpif_ipfix *,
> >>>>                               const struct netflow *,
> >>>>                               bool forward_bpdu, bool has_in_band,
> >>>> -                              const struct dpif_backer_support *);
> >>>> +                              const struct dpif_backer_support *,
> >>>> +                              const struct xbridge_addr *);
> >>>> static void xlate_xbundle_set(struct xbundle *xbundle,
> >>>>                               enum port_vlan_mode vlan_mode,
> >>>>                               uint16_t qinq_ethtype, int vlan,
> >>>> @@ -826,6 +839,56 @@ xlate_xport_init(struct xlate_cfg *xcfg, struct 
> >>>> xport *xport)
> >>>>                 hash_ofp_port(xport->ofp_port));
> >>>> }
> >>>>
> >>>> +static struct xbridge_addr *
> >>>> +xbridge_addr_create(struct xbridge *xbridge)
> >>>> +{
> >>>> +    struct xbridge_addr *xbridge_addr = xbridge->addr;
> >>>> +    struct in6_addr *addr = NULL, *mask = NULL;
> >>>> +    struct netdev *dev;
> >>>> +    int err, n_addr = 0;
> >>>> +
> >>>> +    err = netdev_open(xbridge->name, NULL, &dev);
> >>>> +    if (!err) {
> >>>> +        err = netdev_get_addr_list(dev, &addr, &mask, &n_addr);
> >>>> +        if (!err) {
> >>>> +            if (!xbridge->addr ||
> >>>> +                n_addr != xbridge->addr->n_addr ||
> >>>> +                (xbridge->addr->addr && memcmp(addr, 
> >>>> xbridge->addr->addr,
> >>>> +                                               sizeof(*addr) * 
> >>>> n_addr))) {
> >>>> +                xbridge_addr = xzalloc(sizeof *xbridge_addr);
> >>>> +                xbridge_addr->addr = addr;
> >>>> +                xbridge_addr->n_addr = n_addr;
> >>>> +                ovs_refcount_init(&xbridge_addr->ref_cnt);
> >>>> +            } else {
> >>>> +                free(addr);
> >>>> +            }
> >>>> +            free(mask);
> >>>> +        }
> >>>> +        netdev_close(dev);
> >>>> +    }
> >>>> +
> >>>> +    return xbridge_addr;
> >>>> +}
> >>>> +
> >>>> +static struct xbridge_addr *
> >>>> +xbridge_addr_ref(const struct xbridge_addr *addr_)
> >>>> +{
> >>>> +    struct xbridge_addr *addr = CONST_CAST(struct xbridge_addr *, 
> >>>> addr_);
> >>>> +    if (addr) {
> >>>> +        ovs_refcount_ref(&addr->ref_cnt);
> >>>> +    }
> >>>> +    return addr;
> >>>> +}
> >>>> +
> >>>> +static void
> >>>> +xbridge_addr_unref(struct xbridge_addr *addr)
> >>>> +{
> >>>> +    if (addr && ovs_refcount_unref_relaxed(&addr->ref_cnt) == 1) {
> >>>> +        free(addr->addr);
> >>>> +        free(addr);
> >>>> +    }
> >>>> +}
> >>>> +
> >>>> static void
> >>>> xlate_xbridge_set(struct xbridge *xbridge,
> >>>>                   struct dpif *dpif,
> >>>> @@ -836,7 +899,8 @@ xlate_xbridge_set(struct xbridge *xbridge,
> >>>>                   const struct dpif_ipfix *ipfix,
> >>>>                   const struct netflow *netflow,
> >>>>                   bool forward_bpdu, bool has_in_band,
> >>>> -                  const struct dpif_backer_support *support)
> >>>> +                  const struct dpif_backer_support *support,
> >>>> +                  const struct xbridge_addr *addr)
> >>>> {
> >>>>     if (xbridge->ml != ml) {
> >>>>         mac_learning_unref(xbridge->ml);
> >>>> @@ -878,6 +942,11 @@ xlate_xbridge_set(struct xbridge *xbridge,
> >>>>         xbridge->netflow = netflow_ref(netflow);
> >>>>     }
> >>>>
> >>>> +    if (xbridge->addr != addr) {
> >>>> +        xbridge_addr_unref(xbridge->addr);
> >>>> +        xbridge->addr = xbridge_addr_ref(addr);
> >>>> +    }
> >>>> +
> >>>>     xbridge->dpif = dpif;
> >>>>     xbridge->forward_bpdu = forward_bpdu;
> >>>>     xbridge->has_in_band = has_in_band;
> >>>> @@ -971,7 +1040,7 @@ xlate_xbridge_copy(struct xbridge *xbridge)
> >>>>                       xbridge->rstp, xbridge->ms, xbridge->mbridge,
> >>>>                       xbridge->sflow, xbridge->ipfix, xbridge->netflow,
> >>>>                       xbridge->forward_bpdu, xbridge->has_in_band,
> >>>> -                      &xbridge->support);
> >>>> +                      &xbridge->support, xbridge->addr);
> >>>>     LIST_FOR_EACH (xbundle, list_node, &xbridge->xbundles) {
> >>>>         xlate_xbundle_copy(new_xbridge, xbundle);
> >>>>     }
> >>>> @@ -1126,6 +1195,7 @@ xlate_ofproto_set(struct ofproto_dpif *ofproto, 
> >>>> const char *name,
> >>>>                   const struct dpif_backer_support *support)
> >>>> {
> >>>>     struct xbridge *xbridge;
> >>>> +    struct xbridge_addr *xbridge_addr, *old_addr;
> >>>>
> >>>>     ovs_assert(new_xcfg);
> >>>>
> >>>> @@ -1140,8 +1210,16 @@ xlate_ofproto_set(struct ofproto_dpif *ofproto, 
> >>>> const char *name,
> >>>>     free(xbridge->name);
> >>>>     xbridge->name = xstrdup(name);
> >>>>
> >>>> +    xbridge_addr = xbridge_addr_create(xbridge);
> >>>> +    old_addr = xbridge->addr;
> >>>> +
> >>>>     xlate_xbridge_set(xbridge, dpif, ml, stp, rstp, ms, mbridge, sflow, 
> >>>> ipfix,
> >>>> -                      netflow, forward_bpdu, has_in_band, support);
> >>>> +                      netflow, forward_bpdu, has_in_band, support,
> >>>> +                      xbridge_addr);
> >>>> +
> >>>> +    if (xbridge_addr != old_addr) {
> >>>> +        xbridge_addr_unref(xbridge_addr);
> >>>> +    }
> >>>> }
> >>>>
> >>>> static void
> >>>> @@ -1171,6 +1249,7 @@ xlate_xbridge_remove(struct xlate_cfg *xcfg, 
> >>>> struct xbridge *xbridge)
> >>>>     netflow_unref(xbridge->netflow);
> >>>>     stp_unref(xbridge->stp);
> >>>>     rstp_unref(xbridge->rstp);
> >>>> +    xbridge_addr_unref(xbridge->addr);
> >>>>     hmap_destroy(&xbridge->xports);
> >>>>     free(xbridge->name);
> >>>>     free(xbridge);
> >>>> @@ -3655,6 +3734,54 @@ check_output_prerequisites(struct xlate_ctx *ctx,
> >>>>     return true;
> >>>> }
> >>>>
> >>>> +/* Function verifies if destination address of received Neighbor 
> >>>> Advertisement
> >>>> + * message stored in 'flow' is correct. It should be either 
> >>>> FF02::1:FFXX:XXXX
> >>>> + * where XX:XXXX stands for the last 24 bits of 'ipv6_addr' or it 
> >>>> should match
> >>>> + * 'ipv6_addr'. */
> >>>> +static bool
> >>>> +is_nd_dst_correct(const struct flow *flow, const struct in6_addr 
> >>>> *ipv6_addr)
> >>>> +{
> >>>> +    const uint8_t *flow_ipv6_addr = (uint8_t *) &flow->ipv6_dst;
> >>>> +    const uint8_t *addr = (uint8_t *) ipv6_addr;
> >>>> +
> >>>> +    return (IN6_IS_ADDR_MC_LINKLOCAL(flow_ipv6_addr) &&
> >>>> +            flow_ipv6_addr[11] == 0x01 &&
> >>>> +            flow_ipv6_addr[12] == 0xff &&
> >>>> +            flow_ipv6_addr[13] == addr[13] &&
> >>>> +            flow_ipv6_addr[14] == addr[14] &&
> >>>> +            flow_ipv6_addr[15] == addr[15]) ||
> >>>> +            IN6_ARE_ADDR_EQUAL(&flow->ipv6_dst, ipv6_addr);
> >>>> +}
> >>>> +
> >>>> +/* Function verifies if the ARP reply or Neighbor Advertisement 
> >>>> represented by
> >>>> + * 'flow' addresses the 'xbridge' of 'ctx'. Returns true if the ARP TA 
> >>>> or
> >>>> + * neighbor discovery destination is in the list of configured IP 
> >>>> addresses of
> >>>> + * the bridge. Otherwise, it returns false. */
> >>>> +static bool
> >>>> +is_neighbor_reply_correct(const struct xlate_ctx *ctx, const struct 
> >>>> flow *flow)
> >>>> +{
> >>>> +    bool ret = false;
> >>>> +    int i;
> >>>> +    struct xbridge_addr *xbridge_addr = 
> >>>> xbridge_addr_ref(ctx->xbridge->addr);
> >>>> +
> >>>> +    /* Verify if 'nw_dst' of ARP or 'ipv6_dst' of ICMPV6 is in the 
> >>>> list. */
> >>>> +    for (i = 0; xbridge_addr && i < xbridge_addr->n_addr; i++) {
> >>>> +        struct in6_addr *ip_addr = &xbridge_addr->addr[i];
> >>>> +        if ((IN6_IS_ADDR_V4MAPPED(ip_addr) &&
> >>>> +             flow->dl_type == htons(ETH_TYPE_ARP) &&
> >>>> +             in6_addr_get_mapped_ipv4(ip_addr) == flow->nw_dst) ||
> >>>> +            (!IN6_IS_ADDR_V4MAPPED(ip_addr) &&
> >>>> +              is_nd_dst_correct(flow, ip_addr))) {
> >>>> +            /* Found a match. */
> >>>> +            ret = true;
> >>>> +            break;
> >>>> +        }
> >>>> +    }
> >>>> +
> >>>> +    xbridge_addr_unref(xbridge_addr);
> >>>> +    return ret;
> >>>> +}
> >>>> +
> >>>> static bool
> >>>> terminate_native_tunnel(struct xlate_ctx *ctx, ofp_port_t ofp_port,
> >>>>                         struct flow *flow, struct flow_wildcards *wc,
> >>>> @@ -3667,6 +3794,15 @@ terminate_native_tunnel(struct xlate_ctx *ctx, 
> >>>> ofp_port_t ofp_port,
> >>>>     if (ofp_port == OFPP_LOCAL &&
> >>>>         ovs_native_tunneling_is_on(ctx->xbridge->ofproto)) {
> >>>>         *tnl_port = tnl_port_map_lookup(flow, wc);
> >>>> +
> >>>> +        /* If no tunnel port was found and it's about an ARP or ICMPv6 
> >>>> packet,
> >>>> +         * do tunnel neighbor snooping. */
> >>>> +        if (*tnl_port == ODPP_NONE &&
> >>>> +            (flow->dl_type == htons(ETH_TYPE_ARP) ||
> >>>> +             flow->nw_proto == IPPROTO_ICMPV6) &&
> >>>> +             is_neighbor_reply_correct(ctx, flow)) {
> >>>> +            tnl_neigh_snoop(flow, wc, ctx->xbridge->name);
> >>>> +        }
> >>>>     }
> >>>>
> >>>>     return *tnl_port != ODPP_NONE;
> >>>> @@ -6183,9 +6319,6 @@ do_xlate_actions(const struct ofpact *ofpacts, 
> >>>> size_t ofpacts_len,
> >>>>     struct flow *flow = &ctx->xin->flow;
> >>>>     const struct ofpact *a;
> >>>>
> >>>> -    if (ovs_native_tunneling_is_on(ctx->xbridge->ofproto)) {
> >>>> -        tnl_neigh_snoop(flow, wc, ctx->xbridge->name);
> >>>> -    }
> >>>>     /* dl_type already in the mask, not set below. */
> >>>>
> >>>>     if (!ofpacts_len) {
> >>>> diff --git a/tests/tunnel-push-pop-ipv6.at 
> >>>> b/tests/tunnel-push-pop-ipv6.at
> >>>> index 0b9d436db..b0f4a7e91 100644
> >>>> --- a/tests/tunnel-push-pop-ipv6.at
> >>>> +++ b/tests/tunnel-push-pop-ipv6.at
> >>>> @@ -55,9 +55,73 @@ AT_CHECK([cat p0.pcap.txt | grep 
> >>>> 93aa55aa55000086dd6000000000203aff2001cafe | un
> >>>> ])
> >>>>
> >>>> dnl Check ARP Snoop
> >>>> -AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b6,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::92,dst=2001:cafe::
> >>>
> 94,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::92,sll=00:00:00:00:00:
> >>> 00,tll=f8:bc:12:44:34:b6)'])
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:c8,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::92,dst=2001:cafe::
> >>>
> 88,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::92,sll=00:00:00:00:00:
> >>> 00,tll=f8:bc:12:44:34:c8)'])
> >>>>
> >>>> -AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b7,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::93,dst=2001:cafe::
> >>>
> 94,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::93,sll=00:00:00:00:00:
> >>> 00,tll=f8:bc:12:44:34:b7)'])
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/arp/show | tail -n+3 | sort], [0], [dnl
> >>>> +2001:cafe::92                                 f8:bc:12:44:34:c8   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving Neighbor Advertisement with incorrect 'nw_dst' should not 
> >>>> alter tunnel neighbor cache
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b6,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::92,dst=2001:cafe::
> >>>
> 99,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::92,sll=00:00:00:00:00:
> >>> 00,tll=f8:bc:12:44:34:b6)'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/arp/show | tail -n+3 | sort], [0], [dnl
> >>>> +2001:cafe::92                                 f8:bc:12:44:34:c8   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving Neighbot Advertisement with incorrect VLAN id should not 
> >>>> alter tunnel neighbor cache
> >>>> +AT_CHECK([ovs-vsctl set port br0 tag=10])
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b6,dst=aa:55:aa:55:00:00),eth_type(0x8100),vlan(vid=99,pcp=7),encap(eth_type(0x86
> >>>
> dd),ipv6(src=2001:cafe::92,dst=2001:cafe::88,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),n
> >>> d(target=2001:cafe::92,sll=00:00:00:00:00:00,tll=f8:bc:12:44:34:b6))'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/arp/show | tail -n+3 | sort], [0], [dnl
> >>>> +2001:cafe::92                                 f8:bc:12:44:34:c8   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving Neighbor Advertisement with correct VLAN id should alter 
> >>>> tunnel neighbor cache
> >>>> +AT_CHECK([ovs-vsctl set port br0 tag=10])
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b6,dst=aa:55:aa:55:00:00),eth_type(0x8100),vlan(vid=10,pcp=7),encap(eth_type(0x86
> >>>
> dd),ipv6(src=2001:cafe::92,dst=2001:cafe::88,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),n
> >>> d(target=2001:cafe::92,sll=00:00:00:00:00:00,tll=f8:bc:12:44:34:b6))'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/arp/show | tail -n+3 | sort], [0], [dnl
> >>>> +2001:cafe::92                                 f8:bc:12:44:34:b6   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving Neighbor Advertisement in overlay bridge should not alter 
> >>>> tunnel neighbor cache
> >>>> +AT_CHECK([ovs-vsctl add-port int-br p1 -- set interface p1 type=dummy 
> >>>> ofport_request=200 other-
> >>> config:hwaddr=aa:55:aa:55:00:99])
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p1
> >>>
> 'in_port(200),eth(src=f8:bc:12:44:34:c8,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::92,dst=2001:cafe
> >>>
> ::99,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::92,sll=00:00:00:00:0
> >>> 0:00,tll=f8:bc:12:44:34:c8)'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/show | grep br | sort], [0], [dnl
> >>>> +2001:cafe::92                                 f8:bc:12:44:34:b6   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receive Neighbor Advertisement without VLAN header
> >>>> +AT_CHECK([ovs-vsctl set port br0 tag=0])
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/flush], [0], [OK
> >>>> +])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b6,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::92,dst=2001:cafe::
> >>>
> 88,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::92,sll=00:00:00:00:00:
> >>> 00,tll=f8:bc:12:44:34:b6)'])
> >>>> +
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'in_port(1),eth(src=f8:bc:12:44:34:b7,dst=aa:55:aa:55:00:00),eth_type(0x86dd),ipv6(src=2001:cafe::93,dst=ff02::1:ff0
> >>>
> 0:0088,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=136,code=0),nd(target=2001:cafe::93,sll=00:00:00:00
> >>> :00:00,tll=f8:bc:12:44:34:b7)'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>>
> >>>> AT_CHECK([ovs-appctl tnl/arp/show | tail -n+3 | sort], [0], [dnl
> >>>> 2001:cafe::92                                 f8:bc:12:44:34:b6   br0
> >>>> diff --git a/tests/tunnel-push-pop.at b/tests/tunnel-push-pop.at
> >>>> index b168f5f2f..4e259730c 100644
> >>>> --- a/tests/tunnel-push-pop.at
> >>>> +++ b/tests/tunnel-push-pop.at
> >>>> @@ -70,9 +70,71 @@ 
> >>>> ffffffffffffaa55aa55000008060001080006040001aa55aa550000010102580000000000000101
> >>>> ])
> >>>>
> >>>> dnl Check ARP Snoop
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'recirc_id(0),in_port(1),eth(src=f8:bc:12:44:34:c8,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=1.1.2.92,tip=1.1.
> >>> 2.88,op=2,sha=f8:bc:12:44:34:c8,tha=00:00:00:00:00:00)'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/show | grep br0 | sort], [0], [dnl
> >>>> +1.1.2.92                                      f8:bc:12:44:34:c8   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving ARP reply with incorrect 'tip' should not alter tunnel 
> >>>> neighbor cache
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'recirc_id(0),in_port(1),eth(src=f8:bc:12:44:34:b8,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=1.1.2.92,tip=1.1.
> >>> 2.90,op=2,sha=f8:bc:12:44:34:b8,tha=00:00:00:00:00:00)'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/show | grep br0 | sort], [0], [dnl
> >>>> +1.1.2.92                                      f8:bc:12:44:34:c8   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving ARP reply with incorrect VLAN id should not alter tunnel 
> >>>> neighbor cache
> >>>> +AT_CHECK([ovs-vsctl set port br0 tag=10])
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'recirc_id(0),in_port(1),eth(src=f8:bc:12:44:34:b6,dst=ff:ff:ff:ff:ff:ff),eth_type(0x8100),vlan(vid=99,pcp=7),encap(
> >>> eth_type(0x0806),arp(sip=1.1.2.92,tip=1.1.2.88,op=2,sha=f8:bc:12:44:34:b6,tha=00:00:00:00:00:00))'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/show | grep br0 | sort], [0], [dnl
> >>>> +1.1.2.92                                      f8:bc:12:44:34:c8   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving ARP reply with correct VLAN id should alter tunnel 
> >>>> neighbor cache
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'recirc_id(0),in_port(1),eth(src=f8:bc:12:44:34:b6,dst=ff:ff:ff:ff:ff:ff),eth_type(0x8100),vlan(vid=10,pcp=7),encap(
> >>> eth_type(0x0806),arp(sip=1.1.2.92,tip=1.1.2.88,op=2,sha=f8:bc:12:44:34:b6,tha=00:00:00:00:00:00))'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/show | grep br0 | sort], [0], [dnl
> >>>> +1.1.2.92                                      f8:bc:12:44:34:b6   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receiving ARP reply in overlay bridge should not alter tunnel 
> >>>> neighbor cache
> >>>> +AT_CHECK([ovs-vsctl add-port int-br p1 -- set interface p1 type=dummy 
> >>>> ofport_request=200 other-
> >>> config:hwaddr=aa:55:aa:55:00:99])
> >>>> +AT_CHECK([ovs-appctl netdev-dummy/receive p1
> >>>
> 'recirc_id(0),in_port(200),eth(src=f8:bc:12:44:34:c8,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=1.1.2.92,tip=1.
> >>> 1.2.88,op=2,sha=f8:bc:12:44:34:c8,tha=00:00:00:00:00:00)'])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/show | grep br | sort], [0], [dnl
> >>>> +1.1.2.92                                      f8:bc:12:44:34:b6   br0
> >>>> +])
> >>>> +
> >>>> +dnl Receive ARP reply without VLAN header
> >>>> +AT_CHECK([ovs-vsctl set port br0 tag=0])
> >>>> +AT_CHECK([ovs-appctl tnl/neigh/flush], [0], [OK
> >>>> +])
> >>>> +
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'recirc_id(0),in_port(1),eth(src=f8:bc:12:44:34:b6,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=1.1.2.92,tip=1.1.
> >>> 2.88,op=2,sha=f8:bc:12:44:34:b6,tha=00:00:00:00:00:00)'])
> >>>> AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'recirc_id(0),in_port(1),eth(src=f8:bc:12:44:34:b7,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=1.1.2.93,tip=1.1.
> >>> 2.88,op=2,sha=f8:bc:12:44:34:b7,tha=00:00:00:00:00:00)'])
> >>>>
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> AT_CHECK([ovs-appctl tnl/neigh/show | tail -n+3 | sort], [0], [dnl
> >>>> 1.1.2.92                                      f8:bc:12:44:34:b6   br0
> >>>> 1.1.2.93                                      f8:bc:12:44:34:b7   br0
> >>>> @@ -190,9 +252,12 @@ AT_CHECK([ovs-ofctl dump-ports int-br | grep 'port  
> >>>> 7'], [0], [dnl
> >>>> dnl Check GREL3 only accepts non-fragmented packets?
> >>>> AT_CHECK([ovs-appctl netdev-dummy/receive p0
> >>>
> 'aa55aa550000001b213cab6408004500007e79464000402fba550101025c0101025820000800000001c8fe71d883724fbeb6f4e1494a0800450
> >>>
> 00054ba200000400184861e0000011e00000200004227e75400030af3195500000000f265010000000000101112131415161718191a1b1c1d1e1
> >>> f202122232425262728292a2b2c2d2e2f3031323334353637'])
> >>>>
> >>>> +ovs-appctl time/warp 1000
> >>>> +ovs-appctl time/warp 1000
> >>>> +
> >>>> AT_CHECK([ovs-ofctl dump-ports int-br | grep 'port  [[37]]' | sort], 
> >>>> [0], [dnl
> >>>>   port  3: rx pkts=3, bytes=294, drop=?, errs=?, frame=?, over=?, crc=?
> >>>> -  port  7: rx pkts=3, bytes=252, drop=?, errs=?, frame=?, over=?, crc=?
> >>>> +  port  7: rx pkts=4, bytes=350, drop=?, errs=?, frame=?, over=?, crc=?
> >>>> ])
> >>>>
> >>>> dnl Check decapsulation of Geneve packet with options
> >>>> --
> >>>> 2.14.1
> >>>>
> >>>> _______________________________________________
> >>>> dev mailing list
> >>>> d...@openvswitch.org
> >>>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev

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