Did you set the mtu on the bond port? It has separate configuration IIRC.
> -----Original Message----- > From: users [mailto:[email protected]] On Behalf Of Alex Kiselev > Sent: Wednesday, January 24, 2018 8:51 AM > To: users > Subject: Re: [dpdk-users] xl710 NIC doesn't receive 1518 bytes packets > > The issue with receiving 1518 byte packets is half resolved. It was an MTU > problem. I moved rte_eth_dev_set_mtu() before the rte_dev_dev_start and it > helped. Thanks to Alex _ <[email protected]>. > So, 1518 packets now are successfully sent and received. > > But, now I've got the same problem with the bonding driver. I created a bond > port with four i40e slave ports and place it in the LACP mode. > And the bond port doesn't receive 1518 bytes packets. > > Please, help me to resolve the issue. > > 2018-01-24 0:44 GMT+03:00 Alex Kiselev <[email protected]>: > > Hi. > > > > It seems that xl710 NIC doesn't receive 1518 (maximum MTU size 1500 + > > dot1q ethernet header > > 18 bytes) bytes packets. And there is no such problem when I use x520 NIC. > > > > I am sending ipv4 ICMP ping packets and I am sure that packets go out > > from the port on the switch to which my application is connected. This > > is the tcpdump output from the mirror port: > > > > 00:17:52.644171 f8:32:e4:72:61:1b > 68:05:ca:30:61:80, ethertype > > 802.1Q (0x8100), length 1518: vlan 10, p 0, ethertype IPv4, (tos 0x0, > > ttl 64, id 630, offset 0, flags [DF], proto ICMP (1), length 1500) > > 1.0.0.2 > 1.0.0.1: ICMP echo request, id 5386, seq 7, length 1480 > > > > And I if send 1514 bytes packets everything is also ok > > > > h7 ~ # ip netns exec bs1 ping -s 1468 1.0.0.1 PING 1.0.0.1 (1.0.0.1) > > 1468(1496) bytes of data. > > 1476 bytes from 1.0.0.1: icmp_seq=1 ttl=64 time=0.935 ms > > > > tcpdump on mirror switch port for 1514 bytes (ping 1468): > > > > 00:28:15.890543 f8:32:e4:72:61:1b > 68:05:ca:30:61:80, ethertype > > 802.1Q (0x8100), length 1514: vlan 10, p 0, ethertype IPv4, (tos 0x0, > > ttl 64, id 22101, offset 0, flags [DF], proto ICMP (1), length 1496) > > 1.0.0.2 > 1.0.0.1: ICMP echo request, id 5389, seq 1, length 1476 > > 00:28:15.890548 68:05:ca:30:61:80 > f8:32:e4:72:61:1b, ethertype > > 802.1Q (0x8100), length 1514: vlan 10, p 0, ethertype IPv4, (tos 0x0, > > ttl 64, id 22101, offset 0, flags [DF], proto ICMP (1), length 1496) > > 1.0.0.1 > 1.0.0.2: ICMP echo reply, id 5389, seq 1, length 1476 > > > > I’ve tried to use rte_eth_dev_set_mtu() with different parameters but > > nothing has changed. > > > > Have I missed something to configure? > > > > Thanks. > > > > -- > > Alex Kiselev > > > > -- > -- > Kiselev Alexander
