Have you eliminated the kernel version as being the problem? Adrian On 22 June 2011 04:09, jpo <pommnitz@xxxxxxxxx> wrote: > Hello all, > there seems to be a significant performance loss when moving from Madwifi > to ath5k. For an embedded project we have been using Madwifi with Linux kernel > 2.6.23. We have tested ath5k for some time and by now it seems to be stable > enough for production use. Unfortunately it doesn't match Madwifi's performance. > Running iperf (both, UDP and TCP) between two machines equipped with an AR5413 > with the Fedora 15 kernel and the stock Fedora 15 wireless subsystem shows a > performance loss of about 10% relative to 2.6.23 and Madwifi-0.9.4. > The tests where done under close to ideal lab conditions (cards connected with > an antenna cable) running an IBSS network on channel 40 (5200MHz). > > Can anybody confirm this observation? > Is there an explanation? > Are there some tuning knobs I could try to improve the performance with > mac80211/ath5k? > Is the problem outside the wireless subsystem (Maybe it's the TCP/IP stack or > something Fedora specific)? > > Thanks in advance. > Joerg > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html