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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>
This commit is contained in:
Alexander Duyck 2018-06-05 11:11:14 -04:00 committed by Jeff Kirsher
parent e9f655ee97
commit 421d954c4f
2 changed files with 17 additions and 3 deletions
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14
drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
View File

@ -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);

6
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
View File

@ -599,13 +599,15 @@ struct ixgbe_nvm_version {
#define IXGBE_SECTXCTRL_STORE_FORWARD 0x00000004
#define IXGBE_SECTXSTAT_SECTX_RDY 0x00000001
#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000002
#define IXGBE_SECTXSTAT_SECTX_OFF_DIS 0x00000002
#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000004
#define IXGBE_SECRXCTRL_SECRX_DIS 0x00000001
#define IXGBE_SECRXCTRL_RX_DIS 0x00000002
#define IXGBE_SECRXSTAT_SECRX_RDY 0x00000001
#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000002
#define IXGBE_SECRXSTAT_SECRX_OFF_DIS 0x00000002
#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000004
/* LinkSec (MacSec) Registers */
#define IXGBE_LSECTXCAP 0x08A00