Re: [dpdk-dev] [DPDK] net/e1000: fix buffer overrun while i219 processing DMA transactions

2019-07-19 Thread Anand H. Krishnan
This seems to be changing the IGB driver. Shouldn't you be changing the em driver rather than the igb driver? Thanks, Anand On Mon, Jul 8, 2019 at 10:10 AM Xiao Zhang wrote: > > IntelĀ® 100/200 Series Chipset platforms reduced the round-trip > latency for the LAN Controller DMA accesses, causing

Re: [dpdk-dev] [v4] net/e1000: i219 unit hang issue fix on reset/close

2019-07-15 Thread Anand H. Krishnan
Xiao, I didn't hear back from you on the comments. Thanks, Anand On Wed, Jul 10, 2019 at 10:18 AM Anand H. Krishnan wrote: > > More comments inline: > > On Tue, Jul 9, 2019 at 9:16 PM Xiao Zhang wrote: > > > > Unit hang may occur if multiple descriptors are avai

Re: [dpdk-dev] [v4] net/e1000: i219 unit hang issue fix on reset/close

2019-07-09 Thread Anand H. Krishnan
More comments inline: On Tue, Jul 9, 2019 at 9:16 PM Xiao Zhang wrote: > > Unit hang may occur if multiple descriptors are available in the rings > during reset or close. This state can be detected by configure status > by bit 8 in register. If the bit is set and there are pending descriptors > i

Re: [dpdk-dev] [v3] net/e1000: i219 unit hang issue fix on reset/close

2019-07-08 Thread Anand H. Krishnan
Comments inline. On Tue, Jul 9, 2019 at 8:58 AM Xiao Zhang wrote: > > Unit hang may occur if multiple descriptors are available in the rings > during reset or close. This state can be detected by configure status > by bit 8 in register. If the bit is set and there are pending descriptors > in one

[dpdk-dev] i219 reset hang

2019-06-19 Thread Anand H. Krishnan
Hello, Can somebody please provide an equivalent patch for DPDK. https://patchwork.ozlabs.org/patch/479888/ We are most likely hitting this issue in our setup, when we restart our DPDK application multiple times on the i219LM NIC. If someone can provide a patch, we can test it and see whether we

[dpdk-dev] i219 reset hang

2019-06-18 Thread Anand H. Krishnan
Hello, Can somebody please provide an equivalent patch for DPDK. https://patchwork.ozlabs.org/patch/479888/ We are most likely hitting this issue in our setup, when we restart our DPDK application multiple times on the i219LM NIC. If someone can provide a patch, we can test it and see whether we