On Wed, May 05, 2010 at 11:02:49AM +0100, Rui Paulo wrote: > On 5 May 2010, at 01:41, Navdeep Parhar wrote: > > > Author: np > > Date: Wed May 5 00:41:40 2010 > > New Revision: 207643 > > URL: http://svn.freebsd.org/changeset/base/207643 > > > > Log: > > Add support for hardware filters to cxgb(4). The T3 chip can inspect > > L2/3/4 headers and can drop or steer packets as instructed. Filtering > > based on src ip, dst ip, src port, dst port, 802.1q, udp/tcp, and mac > > addr is possible. Add support in cxgbtool to program these filters. > > Some simple examples: > > ... > > MFC after: 2 weeks > > Wow, this is great! So this is able to do packet filtering at 10Gbps with no > CPU impact?
Yes, a packet that is dropped due to a filter match is dropped by the NIC's silicon. There is no CPU impact. Regards, Navdeep > > Regards, > -- > Rui Paulo > > _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
