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Commit 7bd6875b authored by Kiran Patil's avatar Kiran Patil Committed by Jeff Kirsher
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i40e: APIs to Add/remove port mirroring rules 



This patch implements necessary functions related to port
mirroring features such as add/delete mirror rule, function
to set promiscuous VLAN mode for VSI if mirror rule_type is
"VLAN Mirroring".

Change-ID: Iaf513fd5f188f99dcb977b48f99e73185dfddc40
Signed-off-by: default avatarKiran Patil <kiran.patil@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent c53934c6

drivers/net/ethernet/intel/i40e/i40e_common.c

+162 −0
Original line number Diff line number Diff line
@@ -2032,6 +2032,37 @@ i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw, 
	return status;

}



/**

 * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting

 * @hw: pointer to the hw struct

 * @seid: vsi number

 * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN

 * @cmd_details: pointer to command details structure or NULL

 **/

i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,

				       u16 seid, bool enable,

				       struct i40e_asq_cmd_details *cmd_details)

{

	struct i40e_aq_desc desc;

	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =

		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;

	i40e_status status;

	u16 flags = 0;



	i40e_fill_default_direct_cmd_desc(&desc,

					i40e_aqc_opc_set_vsi_promiscuous_modes);

	if (enable)

		flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;



	cmd->promiscuous_flags = cpu_to_le16(flags);

	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);

	cmd->seid = cpu_to_le16(seid);



	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);



	return status;

}



/**

 * i40e_get_vsi_params - get VSI configuration info

 * @hw: pointer to the hw struct
@@ -2469,6 +2500,137 @@ i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid, 
	return status;

}



/**

 * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule

 * @hw: pointer to the hw struct

 * @opcode: AQ opcode for add or delete mirror rule

 * @sw_seid: Switch SEID (to which rule refers)

 * @rule_type: Rule Type (ingress/egress/VLAN)

 * @id: Destination VSI SEID or Rule ID

 * @count: length of the list

 * @mr_list: list of mirrored VSI SEIDs or VLAN IDs

 * @cmd_details: pointer to command details structure or NULL

 * @rule_id: Rule ID returned from FW

 * @rule_used: Number of rules used in internal switch

 * @rule_free: Number of rules free in internal switch

 *

 * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for

 * VEBs/VEPA elements only

 **/

static i40e_status i40e_mirrorrule_op(struct i40e_hw *hw,

				u16 opcode, u16 sw_seid, u16 rule_type, u16 id,

				u16 count, __le16 *mr_list,

				struct i40e_asq_cmd_details *cmd_details,

				u16 *rule_id, u16 *rules_used, u16 *rules_free)

{

	struct i40e_aq_desc desc;

	struct i40e_aqc_add_delete_mirror_rule *cmd =

		(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;

	struct i40e_aqc_add_delete_mirror_rule_completion *resp =

	(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;

	i40e_status status;

	u16 buf_size;



	buf_size = count * sizeof(*mr_list);



	/* prep the rest of the request */

	i40e_fill_default_direct_cmd_desc(&desc, opcode);

	cmd->seid = cpu_to_le16(sw_seid);

	cmd->rule_type = cpu_to_le16(rule_type &

				     I40E_AQC_MIRROR_RULE_TYPE_MASK);

	cmd->num_entries = cpu_to_le16(count);

	/* Dest VSI for add, rule_id for delete */

	cmd->destination = cpu_to_le16(id);

	if (mr_list) {

		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |

						I40E_AQ_FLAG_RD));

		if (buf_size > I40E_AQ_LARGE_BUF)

			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);

	}



	status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,

				       cmd_details);

	if (!status ||

	    hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {

		if (rule_id)

			*rule_id = le16_to_cpu(resp->rule_id);

		if (rules_used)

			*rules_used = le16_to_cpu(resp->mirror_rules_used);

		if (rules_free)

			*rules_free = le16_to_cpu(resp->mirror_rules_free);

	}

	return status;

}



/**

 * i40e_aq_add_mirrorrule - add a mirror rule

 * @hw: pointer to the hw struct

 * @sw_seid: Switch SEID (to which rule refers)

 * @rule_type: Rule Type (ingress/egress/VLAN)

 * @dest_vsi: SEID of VSI to which packets will be mirrored

 * @count: length of the list

 * @mr_list: list of mirrored VSI SEIDs or VLAN IDs

 * @cmd_details: pointer to command details structure or NULL

 * @rule_id: Rule ID returned from FW

 * @rule_used: Number of rules used in internal switch

 * @rule_free: Number of rules free in internal switch

 *

 * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only

 **/

i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,

			u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,

			struct i40e_asq_cmd_details *cmd_details,

			u16 *rule_id, u16 *rules_used, u16 *rules_free)

{

	if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||

	    rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {

		if (count == 0 || !mr_list)

			return I40E_ERR_PARAM;

	}



	return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,

				  rule_type, dest_vsi, count, mr_list,

				  cmd_details, rule_id, rules_used, rules_free);

}



/**

 * i40e_aq_delete_mirrorrule - delete a mirror rule

 * @hw: pointer to the hw struct

 * @sw_seid: Switch SEID (to which rule refers)

 * @rule_type: Rule Type (ingress/egress/VLAN)

 * @count: length of the list

 * @rule_id: Rule ID that is returned in the receive desc as part of

 *		add_mirrorrule.

 * @mr_list: list of mirrored VLAN IDs to be removed

 * @cmd_details: pointer to command details structure or NULL

 * @rule_used: Number of rules used in internal switch

 * @rule_free: Number of rules free in internal switch

 *

 * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only

 **/

i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,

			u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,

			struct i40e_asq_cmd_details *cmd_details,

			u16 *rules_used, u16 *rules_free)

{

	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */

	if (rule_type != I40E_AQC_MIRROR_RULE_TYPE_VLAN) {

		if (!rule_id)

			return I40E_ERR_PARAM;

	} else {

		/* count and mr_list shall be valid for rule_type INGRESS VLAN

		 * mirroring. For other rule_type, count and rule_type should

		 * not matter.

		 */

		if (count == 0 || !mr_list)

			return I40E_ERR_PARAM;

	}



	return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,

				  rule_type, rule_id, count, mr_list,

				  cmd_details, NULL, rules_used, rules_free);

}



/**

 * i40e_aq_send_msg_to_vf

 * @hw: pointer to the hardware structure

drivers/net/ethernet/intel/i40e/i40e_prototype.h

+12 −0
Original line number Diff line number Diff line
@@ -127,6 +127,9 @@ i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw, 
		u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details);

i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,

		u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details);

i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,

				u16 seid, bool enable,

				struct i40e_asq_cmd_details *cmd_details);

i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,

				struct i40e_vsi_context *vsi_ctx,

				struct i40e_asq_cmd_details *cmd_details);
@@ -149,6 +152,15 @@ i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 vsi_id, 
i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 vsi_id,

			struct i40e_aqc_remove_macvlan_element_data *mv_list,

			u16 count, struct i40e_asq_cmd_details *cmd_details);

i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,

			u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,

			struct i40e_asq_cmd_details *cmd_details,

			u16 *rule_id, u16 *rules_used, u16 *rules_free);

i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,

			u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,

			struct i40e_asq_cmd_details *cmd_details,

			u16 *rules_used, u16 *rules_free);



i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,

				u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,

				struct i40e_asq_cmd_details *cmd_details);