2012/1/2 Christian Weisgerber <na...@mips.inka.de>: > Ilya Shipitsin <chipits...@gmail.com> wrote: > >> I'm running servers with "em" NICs. People on list reported things >> like >> "hwfeatures=8037<CSUM_IPv4,CSUM_TCPv4,CSUM_UDPv4,VLAN_MTU,VLAN_HWTAGGING,WOL> ", >> I do not see such options in ifconfig output. > > Try "ifconfig em0 hwfeatures" on -current.
f2n0:/root#ifconfig em0 hwfeatures ifconfig: hwfeatures: bad value it doesn't work on 5.0RELEASE ? > >> neither man page on "em" says anything about check sum offload. > > Liar. > > The em driver supports IPv4 receive IP/TCP/UDP checksum offload on all > but 82542-based adapters, VLAN tag insertion and stripping, and Jumbo > frames on all but 82562V, 82566DC/82566DM and 82573E/82573L/82573V-based > adapters. > >> "em" are advanced cards, do they already do all things out of a box? > > Yes. > >> ifconfig also shows "media: Ethernet autoselect (1000baseT >> full-duplex,rxpause,txpause)", what is rxpause,txpause ? > > Ethernet flow control. > > -- > Christian "naddy" Weisgerber na...@mips.inka.de
