Andre Oppermann [EMAIL PROTECTED] wrote: > Sam Leffler wrote: > > Andre Oppermann wrote: > >> andre 2007-06-11 20:08:12 UTC > >> > >> FreeBSD src repository > >> > >> Modified files: > >> sys/net if.h Log: > >> Add IFCAP_LRO flag for drivers to announce their TCP Large Receive > >> Offload > >> capabilities. > >> Revision Changes Path > >> 1.108 +1 -0 src/sys/net/if.h > >> http://cvsweb.FreeBSD.org/src/sys/net/if.h.diff?r1=1.107&r2=1.108 > >> > >> > > There are many offload capabilities defined that are not well thought > > out. In particular we do not distinguish between ipv4 and ipv6 for > > things like cksum and tso so there's no way to disable individual > > features. The ability to tweak LRO is clearly needed and clearly belong > > as an ifnet capability but unilateraly deciding this is the wrong approach. > > We do distinguish between TSO4 and TSO6 since from the beginning. > > LRO is not hardware dependent but done in software. However it must > be handled from inside the drivers RX function. Our software > implementation will be IPv4 and IPv6 aware right from the beginning. > > It is not an unilateral decision if other directly affected developers > agree (Drew, Jack).
I'm fine with it, as long as it is "OK" for the current in-driver software implementations to not support v6. I believe mxge and cxgb both only supprt v4. Drew _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
