Hi everyone ! 2010/1/4 Jean-Michel Hautbois <jhautbois@xxxxxxxxx>: > 2010/1/4 Saikiran Madugula <hummerbliss@xxxxxxxxx>: >> Jean-Michel Hautbois wrote: >>> Hi there ! >>> >>> I keep trying to use the ulog/netlink system to receive only the >>> packets I'm interested by and bridging everything else... >>> I have a problem using this, because of a too small buffer ? >>> >>> I am using the recvfrom as the example given on the website, and I am >>> getting a "no space buffer available" when I have packets about >>> 2Mbits/sec... >> Probably the netlink receive buffer is being overrun, try increasing the netlink >> receive buffer size (see ipulog_create_handle() being called in >> libipulog/ulog_test.c for example). > > I have a buffer length of 65536 for the socket... It already seems > high for such a low bandwidth... > Or am I misunderstanding something ? I have changed the values in net.core.rmem_max and net.core.rmem_default to 2097152. It seems to be better, but when I increase the bandwidth, I have this error "no buffer space avalaible" again... Is there any way to have a high performance capture with ebtables+ulog ? Something like zero-copy mechanism for example... Thanks in advance ! Best Regards. JM _______________________________________________ Bridge mailing list Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/bridge
