netdev - [PATCH 2/2] igb: Don't depend on vlan group for receive size.

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Message-Id: <1288464591-31528-2-git-send-email-jesse@nicira.com>
Date:	Sat, 30 Oct 2010 11:49:51 -0700
From:	Jesse Gross <jesse@...ira.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>
Subject: [PATCH 2/2] igb: Don't depend on vlan group for receive size.

The igb driver currently sets its maximum receive size based on
whether a vlan group is configured.  However, this causes it to
completely drop MTU sized vlan packets when there is no vlan
group, preventing them from showing up in tcpdump, etc.

Signed-off-by: Jesse Gross <jesse@...ira.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC: Jesse Brandeburg <jesse.brandeburg@...el.com>
CC: PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>
---
 drivers/net/igb/igb_main.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 892d196..5d1c13c 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2830,13 +2830,10 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
  **/
 static void igb_rlpml_set(struct igb_adapter *adapter)
 {
-	u32 max_frame_size = adapter->max_frame_size;
+	u32 max_frame_size = adapter->max_frame_size + VLAN_TAG_SIZE;
 	struct e1000_hw *hw = &adapter->hw;
 	u16 pf_id = adapter->vfs_allocated_count;
 
-	if (adapter->vlgrp)
-		max_frame_size += VLAN_TAG_SIZE;
-
 	/* if vfs are enabled we set RLPML to the largest possible request
 	 * size and set the VMOLR RLPML to the size we need */
 	if (pf_id) {
-- 
1.7.1

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