diff options
| author | wpaul <wpaul@FreeBSD.org> | 1998-12-19 04:19:44 +0000 |
|---|---|---|
| committer | wpaul <wpaul@FreeBSD.org> | 1998-12-19 04:19:44 +0000 |
| commit | 6a5ae683b942400b8705c879d51fbefc9edc796a (patch) | |
| tree | 087c8484b19ff351b1106f9dad61d207ba50a580 /sys/pci/if_wb.c | |
| parent | 434b0ce44240597b49085b60f3b96f87166796c3 (diff) | |
| download | FreeBSD-src-6a5ae683b942400b8705c879d51fbefc9edc796a.zip FreeBSD-src-6a5ae683b942400b8705c879d51fbefc9edc796a.tar.gz | |
Trim the ethernet CRC from received frames manually in wb_rxeof().
The Winbond chip always includes the CRC with every received frame,
and I can't find anything in the Winbond manual that indicates you can
program it not to do this.
Diffstat (limited to 'sys/pci/if_wb.c')
| -rw-r--r-- | sys/pci/if_wb.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/pci/if_wb.c b/sys/pci/if_wb.c index 1fa7b9a..3e3e634 100644 --- a/sys/pci/if_wb.c +++ b/sys/pci/if_wb.c @@ -29,7 +29,7 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: if_wb.c,v 1.3 1998/12/10 02:02:30 archie Exp $ + * $Id: if_wb.c,v 1.4 1998/12/14 06:32:56 dillon Exp $ */ /* @@ -121,7 +121,7 @@ #ifndef lint static const char rcsid[] = - "$Id: if_wb.c,v 1.3 1998/12/10 02:02:30 archie Exp $"; + "$Id: if_wb.c,v 1.4 1998/12/14 06:32:56 dillon Exp $"; #endif /* @@ -1375,6 +1375,15 @@ static void wb_rxeof(sc) total_len = WB_RXBYTES(cur_rx->wb_ptr->wb_status); /* + * XXX The Winbond chip includes the CRC with every + * received frame, and there's no way to turn this + * behavior off (at least, I can't find anything in + * the manual that explains how to do it) so we have + * to trim off the CRC manually. + */ + total_len -= ETHER_CRC_LEN; + + /* * Try to conjure up a new mbuf cluster. If that * fails, it means we have an out of memory condition and * should leave the buffer in place and continue. This will |
