Commit d802c760 authored by Sylwia Wnuczko's avatar Sylwia Wnuczko Committed by Jeff Kirsher
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i40e: Add drop mode parameter to set mac config 



This patch adds "drop mode" parameter to set mac config AQ command.
This bit controls the behavior when a no-drop packet is blocking a TC
queue.
0 – The PF driver is notified.
1 – The blocking packet is dropped and then the PF driver is notified.

Signed-off-by: default avatarSylwia Wnuczko <sylwia.wnuczko@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent fb598262

drivers/net/ethernet/intel/i40e/i40e_adminq.c

+3 −1
Original line number Diff line number Diff line
@@ -610,8 +610,10 @@ i40e_status i40e_init_adminq(struct i40e_hw *hw) 


	if (hw->aq.api_maj_ver > 1 ||

	    (hw->aq.api_maj_ver == 1 &&

	     hw->aq.api_min_ver >= 8))

	     hw->aq.api_min_ver >= 8)) {

		hw->flags |= I40E_HW_FLAG_FW_LLDP_PERSISTENT;

		hw->flags |= I40E_HW_FLAG_DROP_MODE;

	}



	if (hw->aq.api_maj_ver > I40E_FW_API_VERSION_MAJOR) {

		ret_code = I40E_ERR_FIRMWARE_API_VERSION;

drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h

+15 −14
Original line number Diff line number Diff line
@@ -2065,6 +2065,7 @@ struct i40e_aq_set_mac_config { 
#define I40E_AQ_SET_MAC_CONFIG_PACING_7DW_3TX		0x3

#define I40E_AQ_SET_MAC_CONFIG_PACING_4DW_1TX		0x2

#define I40E_AQ_SET_MAC_CONFIG_PACING_9DW_1TX		0x1

#define I40E_AQ_SET_MAC_CONFIG_DROP_BLOCKING_PACKET_EN	0x80

	u8	tx_timer_priority; /* bitmap */

	__le16	tx_timer_value;

	__le16	fc_refresh_threshold;

drivers/net/ethernet/intel/i40e/i40e_type.h

+1 −0
Original line number Diff line number Diff line
@@ -624,6 +624,7 @@ struct i40e_hw { 
#define I40E_HW_FLAG_NVM_READ_REQUIRES_LOCK BIT_ULL(3)

#define I40E_HW_FLAG_FW_LLDP_STOPPABLE      BIT_ULL(4)

#define I40E_HW_FLAG_FW_LLDP_PERSISTENT     BIT_ULL(5)

#define I40E_HW_FLAG_DROP_MODE              BIT_ULL(7)

	u64 flags;



	/* Used in set switch config AQ command */

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