Date: Wed, 28 May 2008 17:09:56 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Rob <bitabyss@gmail.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org>, VeeJay <maanjee@gmail.com> Subject: Re: Does FreeBSD supports TCP Offload Engine (TOE) from Broadcom in Dell PE2950? Message-ID: <20080528220956.GF5582@dan.emsphone.com> In-Reply-To: <483DB790.2030301@gmail.com> References: <2cd0a0da0805281217t4402f319ic708685d51d662b2@mail.gmail.com> <483DB790.2030301@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In the last episode (May 28), Rob said: > VeeJay wrote: > > Does FreeBSD supports TCP Offload Engine (TOE) from Broadcom in > > Dell PE2950? > > from man bge: > > X v1.0 compliant. It supports IP, TCP and UDP checksum offload > for both receive and transmit, multiple RX and TX DMA rings for > QoS applications, rules-based receive filtering, and VLAN tag > stripping/insertion as well ( i.e. the bge driver does not support TCP data offload ) The embedded NIC in the 2950 is a BCM5708, however, which is handled by the bce driver, and the if_bce.c source has references to TSO, so it might be supported. Best way to find out is to run "ifconfig -m" and see whether TSO4 is listed in the capabilities line for your nic. Then again, a PE2950 should be able to saturate a gigabit NIC quite easily even without any offloading. -- Dan Nelson dnelson@allantgroup.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080528220956.GF5582>