af_packet can't send packet more than framecnt

Hi, I used af_packet interface, but found only can send packets successfully less than framecnt argument. E.g. if I pass "--vdev=eth_af_packet0,iface=tap0,blocksz=4096,framesz=2048,framecnt=512,qpa irs=1,qdisc_bypass=0" to DPDK, the rte_eth_tx_burst only return 1 for 512 times, after that it alw

回复: af_packet can't send packet more than framecnt

Hi, The issue has been resolved when I patched new code from dpdk 22.12, my dpdk version is 19.11 Index: rte_eth_af_packet.c === --- rte_eth_af_packet.c (版本 44115) +++ rte_eth_af_packet.c (版本 44128) @@ -169,6 +169,29 @@ } /* + *

回复: 回复: af_packet can't send packet more than framecnt

Hi Stephen, Thanks for your response, my OS is CentOS7.9, so the kernel is 3.10. However, the issue has been resolved depend on new DPDK code. Regards, Haifeng -邮件原件- 发件人: Stephen Hemminger 发送时间: 2023年3月21日 0:54 收件人: h...@netitest.com 抄送: dev@dpdk.org 主题: Re: 回复: af_packet can't send

build dpdk error by gcc 8.4.0

Hi Dev, When I build dpdk on CentOS7.9 and GCC 8.4.0, it throw “operand type mismatch for `vpclmulqdq'”, how can I fix this? FAILED: lib/net/libnet_crc_avx512_lib.a.p/net_crc_avx512.c.o ccache cc -Ilib/net/libnet_crc_avx512_lib.a.p -Ilib/net -I../lib/net -I. -I.. -Iconfig -I../config -Ilib/eal/i

回复: build dpdk error by gcc 8.4.0

Hi Bruce, The issue has been fixed after I upgrade binutis to 2.38, thanks a lot. Regards, Haifeng -邮件原件- 发件人: Bruce Richardson 发送时间: 2023年3月21日 19:54 收件人: h...@netitest.com 抄送: dev@dpdk.org 主题: Re: build dpdk error by gcc 8.4.0 On Tue, Mar 21, 2023 at 03:13:14PM +0800, h...@netitest

[dpdk-dev] How to send packet with line rate on I350-DA2, but not care rx speed

Wenzhuo, >From "MAINTAINERS" file in package of dpdk source code, I know that you maintain e1000e driver now, could you help me for an question? I use DPDK-pktgen based on Intel I350-DA2 network adapters, when I loopback two ports on one NIC(I350_eth1 <-> I350_eth2), I got 1Gbps line rate T

[dpdk-dev] 8023ad bond tx crashed if one port has 2 more tx queues

Hi Guys, I found a bug in dpdk bond code, while one port has 2 more tx queues, 8023ad bond port will be crashed in tx burst. Just analyzed the code below, if 2 more CPU cores send packets on a port by different tx queue, the arrays like slave_port_ids/ dist_slave_port_ids/ slave_tx_fail_c