From: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date: Wed, 8 Aug 2012 07:53:30 +0000 (+0800)
Subject: bnx: Increase spare TX descriptors to 33 to incorporate TSO segment
X-Git-Tag: v3.2.0~446
X-Git-Url: http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/adea0b8c0c235e33630bcf902d90dfd2e1d01c78

bnx: Increase spare TX descriptors to 33 to incorporate TSO segment
---

diff --git a/sys/dev/netif/bnx/if_bnxvar.h b/sys/dev/netif/bnx/if_bnxvar.h
index 7b4f2ea..91c857f 100644
--- a/sys/dev/netif/bnx/if_bnxvar.h
+++ b/sys/dev/netif/bnx/if_bnxvar.h
@@ -269,8 +269,8 @@ struct bnx_softc {
 };
 
 #define BNX_NSEG_NEW		40
-#define BNX_NSEG_SPARE		5
-#define BNX_NSEG_RSVD		16
+#define BNX_NSEG_SPARE		33	/* enough for 64K TSO segment */
+#define BNX_NSEG_RSVD		4
 
 /* RX coalesce ticks, unit: us */
 #define BNX_RX_COAL_TICKS_MIN	0