<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="ZH-CN" link="#0563C1" vlink="#954F72" style="word-wrap:break-word;text-justify-trim:punctuation"> <div class="WordSection1"> Hi,<o:p></o:p> <o:p> </o:p> It seems the vlan id is in rx descriptor, but somehow not copied to vlan_tci<o:p></o:p> I tried to gdb on _iavf_recv_raw_pkts_vec_avx2<o:p></o:p> (gdb) p* rxdp<o:p></o:p> $6 = {read = {pkt_addr = 16888770190601355264, hdr_addr = 16517370491403, rsvd1 = 628252148018184193, rsvd2 = 0}, wb = {<o:p></o:p> qword0 = {lo_dword = {mirr_fcoe = {mirroring_status = 0, fcoe_ctx_id = 0}, l2tag1 = 0}, hi_dword = {rss = 3932223234,<o:p></o:p> fcoe_param = 3932223234, fd_id = 3932223234}}, qword1 = {status_error_len = 16517370491403}, qword2 = {<o:p></o:p> ext_status = 1, rsvd = 0, l2tag2_1 = 0, l2tag2_2 = 2232}, qword3 = {lo_dword = {flex_bytes_lo = 0, pe_status = 0},<o:p></o:p> hi_dword = {flex_bytes_hi = 0, fd_id = 0}}}}<o:p></o:p> <o:p> </o:p> But when dpdk-testpmd received it, there is no vtan_tci<o:p></o:p> (gdb) p *pkts_burst[0]<o:p></o:p> $17 = {cacheline0 = 0x177657700, buf_addr = 0x177657780, buf_iova = 6298105728, rearm_data = 0x177657710, data_off = 256,<o:p></o:p> refcnt = 1, nb_segs = 1, port = 0, ol_flags = 386, rx_descriptor_fields1 = 0x177657720, {packet_type = 1681, {<o:p></o:p> l2_type = 1 '\001', l3_type = 9 '\t', l4_type = 6 '\006', tun_type = 0 '\000', {inner_esp_next_proto = 0 '\000', {<o:p></o:p> inner_l2_type = 0 '\000', inner_l3_type = 0 '\000'}}, inner_l4_type = 0 '\000'}}, pkt_len = 60, data_len = 60,<o:p></o:p> vlan_tci = 0, {hash = {rss = 3932223234, fdir = {{{hash = 63234, id = 60000}, lo = 3932223234}, hi = 0}, sched = {<o:p></o:p> queue_id = 3932223234, traffic_class = 0 '\000', color = 0 '\000', reserved = 0}, txadapter = {<o:p></o:p> reserved1 = 3932223234, reserved2 = 0, txq = 0}, usr = 3932223234}}, vlan_tci_outer = 0, buf_len = 2304,<o:p></o:p> pool = 0x23b1e98c0, cacheline1 = 0x177657740, next = 0x0, {tx_offload = 0, {l2_len = 0, l3_len = 0, l4_len = 0,<o:p></o:p> tso_segsz = 0, outer_l3_len = 0, outer_l2_len = 0}}, shinfo = 0x0, priv_size = 0, timesync = 0, dynfield1 = {0, 0, 0,<o:p></o:p> 0, 0, 0, 0, 0, 0}}<o:p></o:p> (gdb) bt<o:p></o:p> #0 pkt_burst_receive (fs=0x176d96a40) at ../dpdk-21.11/app/test-pmd/rxonly.c:61<o:p></o:p> #1 0x00000000016501e9 in run_pkt_fwd_on_lcore (fc=0x23b4f2a40, pkt_fwd=0x164c8c0 <pkt_burst_receive>)<o:p></o:p> at ../dpdk-21.11/app/test-pmd/testpmd.c:2200<o:p></o:p> #2 0x00000000016502d4 in start_pkt_forward_on_core (fwd_arg=<optimized out>) at ../dpdk-21.11/app/test-pmd/testpmd.c:2226<o:p></o:p> #3 0x000000000059abac in eal_thread_loop (arg=<optimized out>) at ../dpdk-21.11/lib/eal/linux/eal_thread.c:146<o:p></o:p> #4 0x00007ffff5233812 in start_thread () from /usr/lib64/libc.so.6<o:p></o:p> #5 0x00007ffff51d3314 in clone () from /usr/lib64/libc.so.6<o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm"> From: Yan, Xiaoping (NSB - CN/Hangzhou) Sent: 2022年9月27日 22:29 To: users@dpdk.org; 'jingjing.wu@intel.com' <jingjing.wu@intel.com>; beilei.xing@intel.com Subject: rx packet vlan_tci is not set in iavf driver<o:p></o:p> </div> </div> <o:p> </o:p> Hi,<o:p></o:p> <o:p> </o:p> I have a dpdk application sending broadcast packet in vlan 0x248. and I started dpdk-testpmd on rx only mode.<o:p></o:p> <o:p> </o:p> The dpdk-testpmd received the packet with vlan header (as expected) as below from gdb output:<o:p></o:p> (gdb) x/100xb (pkts_burst[4]->buf_addr+pkts_burst[4]->data_off)<o:p></o:p> 0x17787c8c0: 0xff 0xff 0xff 0xff 0xff 0xff 0xfe 0x1a<o:p></o:p> 0x17787c8c8: 0xcc 0x2e 0x6e 0x78 0x81 0x00 0x02 0x48<o:p></o:p> 0x17787c8d0: 0x89 0x51 0x40 0x00 0x00 0x00 0x00 0x00<o:p></o:p> ...<o:p></o:p> <o:p> </o:p> Then I enable vlan strip via below command<o:p></o:p> testpmd> vlan set strip on 0<o:p></o:p> Now the vlan is stripped (as expected) as below:<o:p></o:p> (gdb) x/100xb (pkts_burst[0]->buf_addr+pkts_burst[0]->data_off)<o:p></o:p> 0x1775b8a80: 0xff 0xff 0xff 0xff 0xff 0xff 0xfe 0x1a<o:p></o:p> 0x1775b8a88: 0xcc 0x2e 0x6e 0x78 0x89 0x51 0x40 0x00<o:p></o:p> 0x1775b8a90: 0x00 0x00 0x00 0x00 0x00 0x00 0x03 0x00<o:p></o:p> …<o:p></o:p> But (what is not expected) the mbuf vlan_tci is not filled, as below:<o:p></o:p> gdb) p *pkts_burst[4]<o:p></o:p> $8 = {cacheline0 = 0x17787c740, buf_addr = 0x17787c7c0, buf_iova = 6300354496,<o:p></o:p> rearm_data = 0x17787c750, data_off = 256, refcnt = 1, nb_segs = 1, port = 0,<o:p></o:p> ol_flags = 384, rx_descriptor_fields1 = 0x17787c760, {packet_type = 1, {<o:p></o:p> l2_type = 1 '\001', l3_type = 0 '\000', l4_type = 0 '\000',<o:p></o:p> tun_type = 0 '\000', {inner_esp_next_proto = 0 '\000', {<o:p></o:p> inner_l2_type = 0 '\000', inner_l3_type = 0 '\000'}},<o:p></o:p> inner_l4_type = 0 '\000'}}, pkt_len = 60, data_len = 60, vlan_tci = 0, {<o:p></o:p> hash = {rss = 0, fdir = {{{hash = 0, id = 0}, lo = 0}, hi = 0}, sched = {<o:p></o:p> queue_id = 0, traffic_class = 0 '\000', color = 0 '\000', reserved = 0},<o:p></o:p> txadapter = {reserved1 = 0, reserved2 = 0, txq = 0}, usr = 0}},<o:p></o:p> vlan_tci_outer = 0, buf_len = 2304, pool = 0x23b1e98c0, cacheline1 = 0x17787c780,<o:p></o:p> next = 0x0, {tx_offload = 0, {l2_len = 0, l3_len = 0, l4_len = 0, tso_segsz = 0,<o:p></o:p> outer_l3_len = 0, outer_l2_len = 0}}, shinfo = 0x0, priv_size = 0,<o:p></o:p> timesync = 0, dynfield1 = {0, 0, 0, 0, 0, 0, 0, 0, 0}} <o:p></o:p> <o:p> </o:p> Is there something wrong in the iavf pmd driver?<o:p></o:p> <o:p> </o:p> dpdk version: 21.11-0 (iavf pmd driver, and rx burst function is iavf_recv_pkts_vec_avx2)<o:p></o:p> hw: intel E810 SRIOV VF<o:p></o:p> PF driver and firmware in use:<o:p></o:p> [cranuser2@hzdc-ecp-10-110-8-222 ~]$ ethtool -i ens43f2<o:p></o:p> driver: ice<o:p></o:p> version: 4.18.0-372.26.1.el8_6.x86_64<o:p></o:p> firmware-version: 3.10 0x8000ad3d 1.3106.0<o:p></o:p> expansion-rom-version:<o:p></o:p> bus-info: 0000:8a:00.2<o:p></o:p> supports-statistics: yes<o:p></o:p> supports-test: yes<o:p></o:p> supports-eeprom-access: yes<o:p></o:p> supports-register-dump: yes<o:p></o:p> supports-priv-flags: yes<o:p></o:p> <o:p> </o:p> <o:p> </o:p> Thank you.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p> </div> </body> </html>