From: Greg Rose <gregory.v.rose@intel.com>
Date: Wed, 25 Jan 2012 07:59:37 +0000 (+0000)
Subject: ixgbe: Fix case of Tx Hang in PF with 32 VFs
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4cd6923d3481773f3fbcae5ca940c8823aa33475;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ixgbe: Fix case of Tx Hang in PF with 32 VFs

A check for the number of VFs allocated should have used a greater than
equal operator instead of just greater than.  This caused allocation of
exactly 32 VFs to not enable the PF transmit and receive enables.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Robert E Garrett <robertX.e.garrett@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 92192c6c4f50..819b5c0def51 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2830,7 +2830,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
 	IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits);
 
 	vf_shift = adapter->num_vfs % 32;
-	reg_offset = (adapter->num_vfs > 32) ? 1 : 0;
+	reg_offset = (adapter->num_vfs >= 32) ? 1 : 0;
 
 	/* Enable only the PF's pool for Tx/Rx */
 	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift));