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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have a dpdk application sending broadcast packet in vlan 0x248. and I started dpdk-testpmd on rx only mode.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The dpdk-testpmd received the packet with vlan header (as expected) as below from gdb output:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">(gdb) x/100xb (pkts_burst[4]->buf_addr+pkts_burst[4]->data_off)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0x17787c8c0: 0xff 0xff 0xff 0xff 0xff 0xff 0xfe 0x1a<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0x17787c8c8: 0xcc 0x2e 0x6e 0x78
<b>0x81 0x00 0x02 0x48</b><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0x17787c8d0: 0x89 0x51 0x40 0x00 0x00 0x00 0x00 0x00<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">...<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Then I enable vlan strip via below command<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">testpmd> vlan set strip on 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Now the vlan is stripped (as expected) as below:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">(gdb) x/100xb (pkts_burst[0]->buf_addr+pkts_burst[0]->data_off)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0x1775b8a80: 0xff 0xff 0xff 0xff 0xff 0xff 0xfe 0x1a<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0x1775b8a88: 0xcc 0x2e 0x6e 0x78
<b>0x89 0x51</b> 0x40 0x00<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0x1775b8a90: 0x00 0x00 0x00 0x00 0x00 0x00 0x03 0x00<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But (what is not expected) the mbuf vlan_tci is not filled, as below:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">gdb) p *pkts_burst[4]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">$8 = {cacheline0 = 0x17787c740, buf_addr = 0x17787c7c0, buf_iova = 6300354496,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> rearm_data = 0x17787c750, data_off = 256, refcnt = 1, nb_segs = 1, port = 0,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <b>ol_flags = 384</b>, rx_descriptor_fields1 = 0x17787c760, {packet_type = 1, {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> l2_type = 1 '\001', l3_type = 0 '\000', l4_type = 0 '\000',<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> tun_type = 0 '\000', {inner_esp_next_proto = 0 '\000', {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> inner_l2_type = 0 '\000', inner_l3_type = 0 '\000'}},<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> inner_l4_type = 0 '\000'}}, pkt_len = 60, data_len = 60,
<b>vlan_tci = 0</b>, {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> hash = {rss = 0, fdir = {{{hash = 0, id = 0}, lo = 0}, hi = 0}, sched = {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> queue_id = 0, traffic_class = 0 '\000', color = 0 '\000', reserved = 0},<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> txadapter = {reserved1 = 0, reserved2 = 0, txq = 0}, usr = 0}},<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> vlan_tci_outer = 0, buf_len = 2304, pool = 0x23b1e98c0, cacheline1 = 0x17787c780,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> next = 0x0, {tx_offload = 0, {l2_len = 0, l3_len = 0, l4_len = 0, tso_segsz = 0,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> outer_l3_len = 0, outer_l2_len = 0}}, shinfo = 0x0, priv_size = 0,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> timesync = 0, dynfield1 = {0, 0, 0, 0, 0, 0, 0, 0, 0}}
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Is there something wrong in the iavf pmd driver?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">dpdk version: 21.11-0 (iavf pmd driver, and rx burst function is iavf_recv_pkts_vec_avx2)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">hw: intel E810 SRIOV VF<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">PF driver and firmware in use:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">[cranuser2@hzdc-ecp-10-110-8-222 ~]$ ethtool -i ens43f2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">driver: ice<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">version: 4.18.0-372.26.1.el8_6.x86_64<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">firmware-version: 3.10 0x8000ad3d 1.3106.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">expansion-rom-version:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">bus-info: 0000:8a:00.2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">supports-statistics: yes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">supports-test: yes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">supports-eeprom-access: yes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">supports-register-dump: yes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">supports-priv-flags: yes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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