From 4f4a16e1523e442aad46920b7086b5941127c3f2 Mon Sep 17 00:00:00 2001
From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Sun, 3 Jan 2010 21:49:24 +0000
Subject: [PATCH] Fix regression introduced in r198318. BCM5754/BCM5754M uses
 the same ASIC ID of BCM5758 such that r198318 incorecctly enabled TSO on
 BCM5754.BCM5754M controllers. BCM5754/BCM5754M needs a special firmware to
 enable TSO and bge(4) does not support firmware based TSO.

Reported by:	ed
Tested by:	ed
---
 sys/dev/bge/if_bge.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/sys/dev/bge/if_bge.c b/sys/dev/bge/if_bge.c
index 2a19d20176fe..db78cd437bdf 100644
--- a/sys/dev/bge/if_bge.c
+++ b/sys/dev/bge/if_bge.c
@@ -2642,8 +2642,15 @@ bge_attach(device_t dev)
 	 * the TSO to the controllers that are not affected TSO issues
 	 * (e.g. 5755 or higher).
 	 */
-	if (BGE_IS_5755_PLUS(sc))
-		sc->bge_flags |= BGE_FLAG_TSO;
+	if (BGE_IS_5755_PLUS(sc)) {
+		/*
+		 * BCM5754 and BCM5787 shares the same ASIC id so
+		 * explicit device id check is required.
+		 */
+		if (pci_get_device(dev) != BCOM_DEVICEID_BCM5754 &&
+		    pci_get_device(dev) != BCOM_DEVICEID_BCM5754M)
+			sc->bge_flags |= BGE_FLAG_TSO;
+	}
 
   	/*
 	 * Check if this is a PCI-X or PCI Express device.