Buf-ring fixes for mxge

- always maintain byte/mcast/drop stats via drbr
- move #define of IFNET_BUF_RING so that its picked
  up by all files in the driver
- conditionalize IFNET_BUF_RING on the FreeBSD_version
  bump just after it appeared in the tree.

Sponsored by: Myricom Inc.

1 files changed, 4 insertions, 2 deletions

diff --git a/sys/dev/mxge/if_mxge_var.h b/sys/dev/mxge/if_mxge_var.h
index b17faf2..8240b62 100644
--- a/sys/dev/mxge/if_mxge_var.h
+++ b/sys/dev/mxge/if_mxge_var.h
@@ -46,6 +46,10 @@ $FreeBSD$
 #define MXGE_VIRT_JUMBOS 0
 #endif
 
+#if (__FreeBSD_version > 800082)
+#define IFNET_BUF_RING 1
+#endif
+
 #ifndef VLAN_CAPABILITIES
 #define VLAN_CAPABILITIES(ifp)
 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
@@ -192,8 +196,6 @@ struct mxge_slice_state {
 	volatile uint32_t *irq_claim;
 	u_long ipackets;
 	u_long opackets;
-	u_long obytes;
-	u_long omcasts;
 	u_long oerrors;
 	int if_drv_flags;
 	struct lro_head lro_active;