diff options
| author | dg <dg@FreeBSD.org> | 1998-08-02 00:29:15 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1998-08-02 00:29:15 +0000 |
| commit | 37e4dcfa9bc2e4b938142d55a2c1dc99cf15c028 (patch) | |
| tree | cdb931399bf9b94949721c4fb6d6aebe3d45bb78 /sys/pci/if_fxpvar.h | |
| parent | a3d53d56d95cd791d51a2a16f228fefbd77dbab2 (diff) | |
| download | FreeBSD-src-37e4dcfa9bc2e4b938142d55a2c1dc99cf15c028.zip FreeBSD-src-37e4dcfa9bc2e4b938142d55a2c1dc99cf15c028.tar.gz | |
Reordered fxp_softc for optimal cacheline behavior.
Diffstat (limited to 'sys/pci/if_fxpvar.h')
| -rw-r--r-- | sys/pci/if_fxpvar.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/sys/pci/if_fxpvar.h b/sys/pci/if_fxpvar.h index a9d845b..ce8d8fe 100644 --- a/sys/pci/if_fxpvar.h +++ b/sys/pci/if_fxpvar.h @@ -27,14 +27,17 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: if_fxpvar.h,v 1.4 1997/11/29 08:11:01 davidg Exp $ + * $Id: if_fxpvar.h,v 1.5 1998/06/07 17:12:38 dfr Exp $ */ /* * Misc. defintions for the Intel EtherExpress Pro/100B PCI Fast * Ethernet driver */ - +/* + * NOTE: Elements are ordered for optimal cacheline behavior, and NOT + * for functional grouping. + */ struct fxp_softc { #if defined(__NetBSD__) struct device sc_dev; /* generic device structures */ @@ -46,20 +49,19 @@ struct fxp_softc { struct arpcom arpcom; /* per-interface network data */ caddr_t csr; /* control/status registers */ #endif /* __NetBSD__ */ - struct ifmedia sc_media; /* media information */ - struct fxp_cb_tx *cbl_base; /* base of TxCB list */ + struct mbuf *rfa_headm; /* first mbuf in receive frame area */ + struct mbuf *rfa_tailm; /* last mbuf in receive frame area */ struct fxp_cb_tx *cbl_first; /* first active TxCB in list */ - struct fxp_cb_tx *cbl_last; /* last active TxCB in list */ int tx_queued; /* # of active TxCB's */ int need_mcsetup; /* multicast filter needs programming */ - struct mbuf *rfa_headm; /* first mbuf in receive frame area */ - struct mbuf *rfa_tailm; /* last mbuf in receive frame area */ + struct fxp_cb_tx *cbl_last; /* last active TxCB in list */ struct fxp_stats *fxp_stats; /* Pointer to interface stats */ int rx_idle_secs; /* # of seconds RX has been idle */ struct callout_handle stat_ch; /* Handle for canceling our stat timeout */ + struct fxp_cb_tx *cbl_base; /* base of TxCB list */ struct fxp_cb_mcs *mcsp; /* Pointer to mcast setup descriptor */ int all_mcasts; /* receive all multicasts */ - int promisc_mode; /* promiscuous mode enabled */ + struct ifmedia sc_media; /* media information */ int phy_primary_addr; /* address of primary PHY */ int phy_primary_device; /* device type of primary PHY */ int phy_10Mbps_only; /* PHY is 10Mbps-only device */ |
