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authorAlexander Duyck <[email protected]>2018-06-05 15:11:14 +0000
committerJeff Kirsher <[email protected]>2018-06-11 15:50:51 +0000
commit421d954c4f1e9afd55bc65398bfc64ceba38df21 (patch)
tree4a3c18b69719f0600c30c8812f007d3893e6bbc6 /drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
parentixgbe: Avoid loopback and fix boolean logic in ipsec_stop_data (diff)
downloadkernel-421d954c4f1e9afd55bc65398bfc64ceba38df21.tar.gz
kernel-421d954c4f1e9afd55bc65398bfc64ceba38df21.zip
ixgbe: Fix bit definitions and add support for testing for ipsec support
This patch addresses two issues. First it adds the correct bit definitions for the SECTXSTAT and SECRXSTAT registers. Then it makes use of those definitions to test for if IPsec has been disabled on the part and if so we do not enable it. Signed-off-by: Alexander Duyck <[email protected]> Reported-by: Andre Tomt <[email protected]> Acked-by: Shannon Nelson <[email protected]> Tested-by: Andrew Bowers <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index 7b23fb0c2d07..c116f459945d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -975,10 +975,22 @@ void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
**/
void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter)
{
+ struct ixgbe_hw *hw = &adapter->hw;
struct ixgbe_ipsec *ipsec;
+ u32 t_dis, r_dis;
size_t size;
- if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ return;
+
+ /* If there is no support for either Tx or Rx offload
+ * we should not be advertising support for IPsec.
+ */
+ t_dis = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT) &
+ IXGBE_SECTXSTAT_SECTX_OFF_DIS;
+ r_dis = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) &
+ IXGBE_SECRXSTAT_SECRX_OFF_DIS;
+ if (t_dis || r_dis)
return;
ipsec = kzalloc(sizeof(*ipsec), GFP_KERNEL);