On 24 December 2012 17:59, Mike Karels <m...@karels.net> wrote: >> [adrian] >> I think we may need another if_* method which specifically attempts to >> service the TX queue again; versus just waiting for if_transmit() to >> make some progress.
> In my opinion, it is wrong of the drivers to queue packets while link > is down. The packets are delayed indefinitely, and are useless at best. > In my company's product (McAfee firewall), we had problems with state-sharing > packets that were way out of date in a cluster. We changed the drivers to > empty the queue and discard subsequent packets when link was down. No > special change is needed to restart: the next time a packet is transmitted > after link comes up, that packet is sent. Our change is not necessarily > done the way I'd do it for FreeBSD, but it minimizes changes. Patch > available on request. I think that's a good way to treat it. Adrian _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
