Re: SKY2 vs SK98LIN performance on 88E8053 MAC

2007-06-11 Thread Philip Romanov
> > We are doing pure IPv4 forwarding between two > Ethernet > > interfaces: > > > > IXIA port A<--->System Under Test<--->IXIA Port B > > > > Traffic has two IP destinations for each direction > and > > L4 protocol is UDP. There are two static ARP > entries > > and only interface routes. Two

Re: SKY2 vs SK98LIN performance on 88E8053 MAC

2007-06-08 Thread Philip Romanov
Hi, Stephen We are doing pure IPv4 forwarding between two Ethernet interfaces: IXIA port A<--->System Under Test<--->IXIA Port B Traffic has two IP destinations for each direction and L4 protocol is UDP. There are two static ARP entries and only interface routes. Two tests are identical except

SKY2 vs SK98LIN performance on 88E8053 MAC

2007-06-08 Thread Philip Romanov
Hello! We are observing severe IPv4 forwarding degradation when switching from sk98lin to sky2 driver. Setup: plain 2.6.21.3 kernel, 88E8053 Marvell Yukon2 MAC, sk98lin is @revision 8.41.2.3 coming from FC6, SKY2 driver from 2.6.21.3 kernel, both drivers are in NAPI mode. Benchmarks are done