From: Greg Rose <gregory.v.rose@intel.com>
Date: Sat, 27 Aug 2011 02:06:25 +0000 (+0000)
Subject: ixgbevf: Fix broken trunk vlan
X-Git-Tag: v2.6.39-400.9.0~423^2~19^2~11^2~75
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e86ee2aaea66515185d409b2298749c8333bc66f;p=users%2Fjedix%2Flinux-maple.git

ixgbevf: Fix broken trunk vlan

Changes to clean up the vlan rx path broke trunk vlan.  Trunk vlans in
a VF driver are those set using:

"ip link set <pfdev> vf <n> <vlanid>"

(cherry picked from commit dd1ed3b7bfed15f6162f63840941e9cf4f3611a1)
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
CC: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Joe Jin <joe.jin@oracle.com>
---

diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index c70f068d3203a..e58f424ca31bd 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -297,12 +297,10 @@ static void ixgbevf_receive_skb(struct ixgbevf_q_vector *q_vector,
 {
 	struct ixgbevf_adapter *adapter = q_vector->adapter;
 	bool is_vlan = (status & IXGBE_RXD_STAT_VP);
+	u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan);
 
-	if (is_vlan) {
-		u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan);
-
+	if (is_vlan && test_bit(tag, adapter->active_vlans))
 		__vlan_hwaccel_put_tag(skb, tag);
-	}
 
 	if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL))
 			napi_gro_receive(&q_vector->napi, skb);