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| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2018-06-05 11:11:14 -0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2018-06-11 08:50:51 -0700 |
| commit | 421d954c4f1e9afd55bc65398bfc64ceba38df21 (patch) | |
| tree | 4a3c18b69719f0600c30c8812f007d3893e6bbc6 /drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | |
| parent | e9f655ee97f14b4f5eba7b6b5a56a7c298573e67 (diff) | |
| download | linux-stable-421d954c4f1e9afd55bc65398bfc64ceba38df21.tar.gz linux-stable-421d954c4f1e9afd55bc65398bfc64ceba38df21.tar.bz2 linux-stable-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 <alexander.h.duyck@intel.com>
Reported-by: Andre Tomt <andre@tomt.net>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 14 |
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); |