Intel X710 for 10GbE SFP+ drops all packets

[idata]

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 mtu 9000

inet6 fe80::290:bff:fe45:f72f prefixlen 64 scopeid 0x20

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.

[PBaso]

Don't want to necropost, but had a same issue, was resolved by upgrading the nic firmware to 5.04