The maximum credits per traffic class only needs to be greater
then the TSO size for 82598 devices. The 82599 devices do not
have this requirement so only do this test for 82598 devices.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* It should be called only after the rules are checked by
* ixgbe_dcb_check_config().
*/
* It should be called only after the rules are checked by
* ixgbe_dcb_check_config().
*/
-s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *dcb_config,
+s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw,
+ struct ixgbe_dcb_config *dcb_config,
int max_frame, u8 direction)
{
struct tc_bw_alloc *p;
int max_frame, u8 direction)
{
struct tc_bw_alloc *p;
* credit may not be enough to send out a TSO
* packet in descriptor plane arbitration.
*/
* credit may not be enough to send out a TSO
* packet in descriptor plane arbitration.
*/
+ if ((hw->mac.type == ixgbe_mac_82598EB) &&
+ credit_max &&
(credit_max < MINIMUM_CREDIT_FOR_TSO))
credit_max = MINIMUM_CREDIT_FOR_TSO;
(credit_max < MINIMUM_CREDIT_FOR_TSO))
credit_max = MINIMUM_CREDIT_FOR_TSO;
/* DCB driver APIs */
/* DCB credits calculation */
/* DCB driver APIs */
/* DCB credits calculation */
-s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *, int, u8);
+s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *,
+ struct ixgbe_dcb_config *, int, u8);
/* DCB hw initialization */
s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *);
/* DCB hw initialization */
s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *);
max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
#endif
max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
#endif
- ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, max_frame,
+ ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame,
- ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, max_frame,
+ ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame,
DCB_RX_CONFIG);
/* reconfigure the hardware */
DCB_RX_CONFIG);
/* reconfigure the hardware */