Hey Bart, Well, as long as every implementation supports proper iCRC and RoCE standards, I don't see how there could be a problem... Let me send my patch out now... On Mon, Dec 2, 2019 at 6:57 PM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > On 11/27/19 6:24 AM, Steve Wise wrote: > > I've recently uncovered a bug in RXE that causes iCRC errors when > > running between RXE and a correct RoCE implementation. The bug is > > that RXE is not including pad bytes in its iCRC calculations. So if > > the application payload is not 4B aligned then you'll hit this bug. > > You can see this by running ib_write_bw, for example, between mlnx_ib > > and rxe. > > > > works: ib_write_bw -s 32 -n 5 > > fails: ib_write_bw -s 33 -n 5 > > > > I'll post a patch this coming weekend hopefully. > Hi Steve, > > Will that patch support coexistence of softRoCE implementations that use > different CRC calculation methods? > > Thanks, > > Bart.
