[dpdk-users] Intel X710 (i40e) 802.1ad (0x88a8) packets issue

[dpdk-users] Intel X710 (i40e) 802.1ad (0x88a8) packets issue

[Игнатовский Виталий]

Hello,

We have an APP developed and successfully implemented using Intel 82599 
cards, but know we would like to switch over to Intel X710-DA4 cards. 
And there is a problem occurred. We cannot receive any "0x88a8" 
(802.1ad) traffic. As we see from statistics using function 
rte_eth_stats_get():
	rx_good_bytes = 204681
	rx_unicast_packets = 266
	rx_unknown_protocol_packets = 266
	rx_size_65_to_127_packets = 12
	rx_size_128_to_255_packets = 24
	rx_size_256_to_511_packets = 48
	rx_size_512_to_1023_packets = 98
	rx_size_1024_to_1522_packets = 84

They are successfully received on a port, but then somewhere disappered. 
So it's not possible to get them by rte_eth_rx_burst() func. It's always 
0 packets readed.
The same traffic flow received and handled without any troubles on 82599 
cards using ixgbe compiled into igb_uio.

What can be wrong there and what configuration may be I have missed?

Re: [dpdk-users] Intel X710 (i40e) 802.1ad (0x88a8) packets issue

[Sean Hope (shope)]

I asked about the same thing a few weeks ago. Its a known issue and is
apparently being worked on.

Thanks,
Sean

-----Original Message-----
From: users <users-bounces@dpdk.org> on behalf of Игнатовский Виталий
<ignatovsky_vv@elsicom.ru>
Date: Thursday, July 28, 2016 at 5:15 AM
To: "users@dpdk.org" <users@dpdk.org>
Subject: [dpdk-users] Intel X710 (i40e) 802.1ad (0x88a8) packets issue

>Hello,
>
>We have an APP developed and successfully implemented using Intel 82599
>cards, but know we would like to switch over to Intel X710-DA4 cards.
>And there is a problem occurred. We cannot receive any "0x88a8"
>(802.1ad) traffic. As we see from statistics using function
>rte_eth_stats_get():
>	rx_good_bytes = 204681
>	rx_unicast_packets = 266
>	rx_unknown_protocol_packets = 266
>	rx_size_65_to_127_packets = 12
>	rx_size_128_to_255_packets = 24
>	rx_size_256_to_511_packets = 48
>	rx_size_512_to_1023_packets = 98
>	rx_size_1024_to_1522_packets = 84
>
>They are successfully received on a port, but then somewhere disappered.
>So it's not possible to get them by rte_eth_rx_burst() func. It's always
>0 packets readed.
>The same traffic flow received and handled without any troubles on 82599
>cards using ixgbe compiled into igb_uio.
>
>What can be wrong there and what configuration may be I have missed?