Note bugs in the HW checksum routines.

This commit is contained in:
jdc 2008-02-01 11:04:06 +00:00
parent 0806e2a957
commit 608790d545
1 changed files with 8 additions and 2 deletions

View File

@ -1,4 +1,4 @@
.\" $NetBSD: gem.4,v 1.5 2008/01/05 20:31:18 jdc Exp $
.\" $NetBSD: gem.4,v 1.6 2008/02/01 11:04:06 jdc Exp $
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -31,7 +31,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd December 18, 2007
.Dd February 1, 2007
.Dt GEM 4
.Os
.Sh NAME
@ -96,6 +96,12 @@ The man page was written by
.An Thomas Klausner
.Aq wiz@NetBSD.org .
.Sh BUGS
The hardware checksumming support does not support IPv4 UDP, although this was
allowed prior to
.Nx 5 .
Also, the hardware IPv4 TCP receive checksumming support has bugs, so this is
disabled.
.Pp
On the SX fibre variants of the hardware, the link will stay down if there is
a duplex mismatch.
Also, packet transmission may fail when in