Hi Vlad, > > Starting with 2.4.19 or so, I'd recommend looking at > NAPI to do > interrupt mitigation instead. Please look at > ftp://robur.slu.se/pub/Linux/net-development/NAPI/ >
Yes, it looks interesting! I'm glad this is being introduced as a mechanism for all drivers to use. I haven't had time to study it in detail, but I'm a little concerned about NAPI using the softirq context. In the 2.4 kernels I've seen various performance issues related to ksoftirqd. Perhaps this has been fixed in 2.6... > > On top of that, you can implement > > CONFIG_NET_FASTROUTE in the driver, bypassing most > of > > the IP stack. > > But, of course, you'll loose IP tables. Also, Yes, an important point. -Brian ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
