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Fri, 28 Nov 2025 12:28:46 +0000 Message-ID: <12bcee25-7ec4-418e-b8c7-60642d8073c0@intel.com> Date: Fri, 28 Nov 2025 13:28:39 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH iwl-next v2 5/8] ice: update mac,vlan rules when toggling between VEB and VEPA To: "Loktionov, Aleksandr" , "intel-wired-lan@lists.osuosl.org" CC: "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "Kitszel, Przemyslaw" , "Nguyen, Anthony L" , "michal.swiatkowski@linux.intel.com" References: <20251125083456.28822-1-jakub.slepecki@intel.com> <20251125083456.28822-6-jakub.slepecki@intel.com> <30c166ee-c113-434d-acca-15bc7c46722f@intel.com> Content-Language: en-US From: Jakub Slepecki Organization: Intel Technology Poland sp. z o.o. - ul. 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Roger that; I plan to use following: --- To reproduce the issue have a E810 ($pfa) connected to another adapter ($pfb), then: # echo 2 >/sys/class/net/$pfa/device/sriov_numvfs # ip l set $pfa vf 0 vlan 4 # ip l set $pfa vf 1 vlan 7 # ip l set $pfa_vf0 netns $pfa_vf0_netns up # ip l set $pfa_vf1 netns $pfa_vf1_netns up # ip netns exec $pfa_vf0_netns ip a add 10.0.0.1/24 dev $pfa_vf0 # ip netns exec $pfa_vf1_netns ip a add 10.0.0.2/24 dev $pfa_vf1 And for the $pfb: # echo 2 >/sys/class/net/$pfb/device/sriov_numvfs # ip l set $pfb vf 0 trust on spoof off vlan 4 # ip l set $pfb vf 1 trust on spoof off vlan 7 # ip l add $br type bridge # ip l set $pfb_vf0 master $br up # ip l set $pfb_vf1 master $br up # ip l set $br up We expect $pfa_vf0 to be able to reach $pfa_vf1 through the $br on the link partner. Instead, ARP is unable to resolve 10.0.0.2/24. ARP request is fine because it's broadcasted and bounces off $br, but ARP reply is stuck in the internal switch because the destination MAC matches $pfa_vf0 and filter restricts it to loopback. In testing I used: ip utility, iproute2-6.1.0, libbpf 1.3.0 --- > Otherwise, the instructions are fine from my side. Please keep my: > > Reviewed-by: Aleksandr Loktionov > > Thanks! Thanks!