From d43a7e67ae2f911765b3d5b6cbb85221a9ffd0a4 Mon Sep 17 00:00:00 2001
From: Vladislav Zolotarov <vladz@broadcom.com>
Date: Wed, 17 Feb 2010 02:03:40 +0000
Subject: [PATCH] bnx2x: Do not allow enabling LRO if disable_tpa=1
Bug fix: Do not allow enabling LRO if disable_tpa=1.
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/bnx2x_main.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 16685a153c10..ccdc3fe13414 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -9968,12 +9968,14 @@ static int bnx2x_set_flags(struct net_device *dev, u32 data)
/* TPA requires Rx CSUM offloading */
if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
- if (!(dev->features & NETIF_F_LRO)) {
- dev->features |= NETIF_F_LRO;
- bp->flags |= TPA_ENABLE_FLAG;
- changed = 1;
- }
-
+ if (!disable_tpa) {
+ if (!(dev->features & NETIF_F_LRO)) {
+ dev->features |= NETIF_F_LRO;
+ bp->flags |= TPA_ENABLE_FLAG;
+ changed = 1;
+ }
+ } else
+ rc = -EINVAL;
} else if (dev->features & NETIF_F_LRO) {
dev->features &= ~NETIF_F_LRO;
bp->flags &= ~TPA_ENABLE_FLAG;
--
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