Server platform:
Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz x 2
64GB RAM
3.10.0-123.el7.x86_64 kernel, CentOS 7
Intel X710 card (4x10Gbps) drops all ingress packets. ethtool port rx_dropped counter increases, ifconfig shows there are no any packets available for this port.
ifconfig eth28
eth28: flags=4547<UP,BROADCAST,RUNNING,NOARP,PROMISC,MULTICAST> mtu 9000
inet6 fe80::290:bff:fe45:f72f prefixlen 64 scopeid 0x20<link>
ether 00:90:0b:45:f7:2f txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ethtool -S eth28
port.rx_bytes: 2954509409188
port.tx_bytes: 0
port.rx_unicast: 8366695797
port.tx_unicast: 0
port.rx_multicast: 247430
port.tx_multicast: 0
port.rx_broadcast: 3968
port.tx_broadcast: 0
port.tx_errors: 0
port.rx_dropped: 4071979899
port.tx_dropped_link_down: 0
port.rx_crc_errors: 0
port.illegal_bytes: 0
port.mac_local_faults: 0
port.mac_remote_faults: 0
port.tx_timeout: 0
port.rx_csum_bad: 0
port.rx_length_errors: 0
port.link_xon_rx: 0
port.link_xoff_rx: 0
port.link_xon_tx: 0
port.link_xoff_tx: 0
port.rx_size_64: 5125057
port.rx_size_127: 481023287
port.rx_size_255: 145733686
port.rx_size_511: 7678405724
port.rx_size_1023: 11564810
port.rx_size_1522: 45094628
rx-*.rx_bytes: 0
rx-*.rx_packets: 0
latest firmware and drivers installed
ethtool -i eth28
driver: i40e
version: 1.4.25
firmware-version: 5.02 0x80002249 0.0.0
bus-info: 0000:84:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
Also tried to disable rx-offload features (with no effect):
ethtool -k eth28
Features for eth28:
rx-checksumming: off
tx-checksumming: off
tx-checksum-ipv4: off
tx-checksum-ip-generic: off [fixed]
tx-checksum-ipv6: off
tx-checksum-fcoe-crc: off [fixed]
tx-checksum-sctp: off
scatter-gather: off
tx-scatter-gather: off
tx-scatter-gather-fraglist: off [fixed]
tcp-segmentation-offload: off
tx-tcp-segmentation: off
tx-tcp-ecn-segmentation: off
tx-tcp6-segmentation: off
udp-fragmentation-offload: off [fixed]
generic-segmentation-offload: off
generic-receive-offload: off
large-receive-offload: off [fixed]
rx-vlan-offload: off
tx-vlan-offload: on
ntuple-filters: off
receive-hashing: on
highdma: on
rx-vlan-filter: off
vlan-challenged: off [fixed]
tx-lockless: off [fixed]
netns-local: off [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: off [fixed]
tx-gre-segmentation: on
tx-ipip-segmentation: off [fixed]
tx-sit-segmentation: off [fixed]
tx-udp_tnl-segmentation: on
tx-mpls-segmentation: off [fixed]
fcoe-mtu: off [fixed]
tx-nocache-copy: on
loopback: off [fixed]
rx-fcs: off [fixed]
rx-all: off [fixed]
tx-vlan-stag-hw-insert: off [fixed]
rx-vlan-stag-hw-parse: off [fixed]
rx-vlan-stag-filter: off [fixed]
Have no idea what to do, need help.