diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2006-02-22 06:02:10 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2006-02-22 06:02:10 +0000 |
| commit | 6f78eea989c6f244e2c063556a2b3b37222911b9 (patch) | |
| tree | 1aea8f4117e3a1e782357361997938c6e92baaa0 /sys/dev/pci/if_em.h | |
| parent | 492c2d0a2aa90978fb8fa48c65ff7d1451aab652 (diff) | |
For 82544 and newer chips increase the number of TX descriptors to 512.
Diffstat (limited to 'sys/dev/pci/if_em.h')
| -rw-r--r-- | sys/dev/pci/if_em.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/dev/pci/if_em.h b/sys/dev/pci/if_em.h index d31e6320fbf..e31194691e4 100644 --- a/sys/dev/pci/if_em.h +++ b/sys/dev/pci/if_em.h @@ -32,7 +32,7 @@ POSSIBILITY OF SUCH DAMAGE. ***************************************************************************/ /* $FreeBSD: if_em.h,v 1.26 2004/09/01 23:22:41 pdeuskar Exp $ */ -/* $OpenBSD: if_em.h,v 1.21 2005/12/10 18:41:50 brad Exp $ */ +/* $OpenBSD: if_em.h,v 1.22 2006/02/22 06:02:09 brad Exp $ */ #ifndef _EM_H_DEFINED_ #define _EM_H_DEFINED_ @@ -83,7 +83,7 @@ POSSIBILITY OF SUCH DAMAGE. /* Tunables */ /* - * EM_MAX_TXD: Maximum number of Transmit Descriptors + * EM_(MIN/MAX)_TXD: Maximum number of Transmit Descriptors * Valid Range: 80-256 for 82542 and 82543-based adapters * 80-4096 for others * Default Value: 256 @@ -93,9 +93,10 @@ POSSIBILITY OF SUCH DAMAGE. */ #define EM_MIN_TXD 12 #define EM_MAX_TXD 256 +#define EM_MAX_TXD_82544 512 /* - * EM_MAX_RXD - Maximum number of receive Descriptors + * EM_(MIN/MAX)_RXD - Maximum number of receive Descriptors * Valid Range: 80-256 for 82542 and 82543-based adapters * 80-4096 for others * Default Value: 256 @@ -176,7 +177,7 @@ POSSIBILITY OF SUCH DAMAGE. * This parameter controls when the driver calls the routine to reclaim * transmit descriptors. */ -#define EM_TX_CLEANUP_THRESHOLD EM_MAX_TXD / 8 +#define EM_TX_CLEANUP_THRESHOLD (sc->num_tx_desc / 8) /* * This parameter controls whether or not autonegotation is enabled. |