On Wed, Mar 25, 2020 at 11:31:30PM +0100, Vincenzo Maffione wrote: > Hi Alexandre, > Thanks. Your patch looks good to me. I assume you have tested it? > I will commit that to stable/11. > > The issue you report on stable/12 is more worrisome. The 'no space in TX > ring' condition (head==cur==tail) is ok per-se: on a subsequent poll() > wakeup (e.g. TX interrupt) or explicit ioctl(NIOCTXSYNC) you should see > tail moving forward, therefore freeing some space to be used in the ring. > However, the ring_reinit means that something is going wrong: either your > application is using the TX ring incorrectly, or there is a bug in the > netmap iflib code. Since FreeBSD 12, netmap support is provided by iflib, > while before netmap support was provided directly by the ixl driver. > In any case, it would probably help if you could provide some more detailed > info (how to reproduce the problem).
Just run pkt-gen for transmit. The conditions is guaranteed to occur (for me, at least). _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
