Is the I40E incapable of operating RSS with ETH_RSS_IP (i.e. hashing without L4 ports)?
Thanks, Jeff -----Original Message----- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Zhang, Helin Sent: Saturday, February 28, 2015 6:34 AM To: lhffjzh; 'Thomas Monjalon' Cc: dev at dpdk.org; maintainers at dpdk.org Subject: Re: [dpdk-dev] Why only rx queue "0" can receive network packet by i40e NIC Good to know that! > -----Original Message----- > From: lhffjzh [mailto:lhffjzh at 126.com] > Sent: Saturday, February 28, 2015 12:34 PM > To: Zhang, Helin; 'Thomas Monjalon' > Cc: dev at dpdk.org; maintainers at dpdk.org > Subject: RE: [dpdk-dev] Why only rx queue "0" can receive network > packet by i40e NIC > > Hi Helin, > > Thanks a lot for your great help, all of rx queue received network > packet after I update rss_hf from "ETH_RSS_IP" to " ETH_RSS_PROTO_MASK ". > > static struct rte_eth_conf port_conf = { > .rxmode = { > .mq_mode = ETH_MQ_RX_RSS, > .max_rx_pkt_len = ETHER_MAX_LEN, > .split_hdr_size = 0, > .header_split = 0, /**< Header Split disabled */ > .hw_ip_checksum = 1, /**< IP checksum offload enabled */ > .hw_vlan_filter = 0, /**< VLAN filtering disabled */ > .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ > .hw_strip_crc = 0, /**< CRC stripped by hardware */ > }, > .rx_adv_conf = { > .rss_conf = { > .rss_key = NULL, > .rss_hf = ETH_RSS_PROTO_MASK, > }, > }, > .txmode = { > .mq_mode = ETH_MQ_TX_NONE, > }, > .fdir_conf.mode = RTE_FDIR_MODE_SIGNATURE, }; > > > Regards, > Haifeng > > -----Original Message----- > From: Zhang, Helin [mailto:helin.zhang at intel.com] > Sent: Saturday, February 28, 2015 11:18 AM > To: lhffjzh; 'Thomas Monjalon' > Cc: dev at dpdk.org; maintainers at dpdk.org > Subject: RE: [dpdk-dev] Why only rx queue "0" can receive network > packet by i40e NIC > > Hi Haifeng > > > -----Original Message----- > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of lhffjzh > > Sent: Saturday, February 28, 2015 9:48 AM > > To: 'Thomas Monjalon' > > Cc: dev at dpdk.org; maintainers at dpdk.org > > Subject: Re: [dpdk-dev] Why only rx queue "0" can receive network > > packet > by > > i40e NIC > > > > Hi Thomas, > > > > Thanks very much for your reminder, you give me many help in this > > mail > list. > > > > The issue with detailed information just as below. but I don't know > > who is > the > > dpdk i40e maintainers? is maintainers at dpdk.org? > > > > Hardware list: > > 2 i40e 40G NICs > > Xeon E5-2670 v2(10 cores) > > 32G memory > > > > I loopback 2 i40e NICs by QSFP cable, one NIC send UDP network > > packet by DPDK, and another for receiving. I bind 4 processor's > > logical cores with 4 > rx > > queue "0,1,2,3" on receiving NIC, when I start to send packet, only > > rx > queue > > "0" > > can receive > > the UDP packet, the others queue always receive nothing. but it is > > work > well on > > ixgbe 10G NICs, I can receive network packet from all rx queues. > > does > anyone > > kindly know why? > Could you help to list the DPDK version you are using now? > Two possible reasons: > 1. UDP rss is not enabled on your board correctly. > I40e has different rss flags from ixgbe, so I am wondering if you use > it correctly. > In addition, this will be unified from 2.0. So I care about the DPDK > version. > 2. The UDP stream is occasionally hit the hash key of queue 0. > You'd better to try to send your UDP stream with random 5-tuples, to > get the > hash value hit different queues randomly. > > Regards, > Helin > > > > > > > Regards, > > Haifeng > > > > -----Original Message----- > > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > > Sent: Friday, February 27, 2015 6:55 PM > > To: lhffjzh > > Cc: dev at dpdk.org > > Subject: Re: Why only rx queue "0" can receive network packet by > > i40e NIC > > > > 2015-02-27 16:47, lhffjzh: > > > Hi All, > > > > > > We use 4 cores loop 4 rx queues on one i40e port, but only rx queue "0" > > can > > > receive network packet, do anyone kindly know why? BTW, all of > > > network packet has same destination ip address but has more than > > > 200 different source ip address. > > > > It's possible that you don't have any answer for 2 reasons: > > - you replied in a thread dedicated to Cisco enic questions > > - you didn't describe your usage enough to understand your problem > > > > I suggest to use the button "new email" instead of "reply all" to > > start a new question with enough details. > > > > Did you noticed you put some Cisco guys in CC instead of putting the > > Intel responsible for i40e (see MAINTAINERS file)? > > >
