162 lines
4.4 KiB
C
162 lines
4.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018, Intel Corporation. */
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#ifndef _ICE_SWITCH_H_
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#define _ICE_SWITCH_H_
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#include "ice_common.h"
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#define ICE_SW_CFG_MAX_BUF_LEN 2048
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#define ICE_DFLT_VSI_INVAL 0xff
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#define ICE_VSI_INVAL_ID 0xffff
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/* VSI context structure for add/get/update/free operations */
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struct ice_vsi_ctx {
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u16 vsi_num;
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u16 vsis_allocd;
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u16 vsis_unallocated;
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u16 flags;
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struct ice_aqc_vsi_props info;
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u8 alloc_from_pool;
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};
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enum ice_sw_fwd_act_type {
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ICE_FWD_TO_VSI = 0,
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ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */
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ICE_FWD_TO_Q,
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ICE_FWD_TO_QGRP,
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ICE_DROP_PACKET,
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ICE_INVAL_ACT
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};
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/* Switch recipe ID enum values are specific to hardware */
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enum ice_sw_lkup_type {
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ICE_SW_LKUP_ETHERTYPE = 0,
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ICE_SW_LKUP_MAC = 1,
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ICE_SW_LKUP_MAC_VLAN = 2,
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ICE_SW_LKUP_PROMISC = 3,
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ICE_SW_LKUP_VLAN = 4,
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ICE_SW_LKUP_DFLT = 5,
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ICE_SW_LKUP_ETHERTYPE_MAC = 8,
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ICE_SW_LKUP_PROMISC_VLAN = 9,
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};
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struct ice_fltr_info {
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/* Look up information: how to look up packet */
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enum ice_sw_lkup_type lkup_type;
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/* Forward action: filter action to do after lookup */
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enum ice_sw_fwd_act_type fltr_act;
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/* rule ID returned by firmware once filter rule is created */
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u16 fltr_rule_id;
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u16 flag;
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#define ICE_FLTR_RX BIT(0)
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#define ICE_FLTR_TX BIT(1)
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#define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
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/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
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u16 src;
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union {
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struct {
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u8 mac_addr[ETH_ALEN];
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} mac;
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struct {
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u8 mac_addr[ETH_ALEN];
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u16 vlan_id;
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} mac_vlan;
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struct {
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u16 vlan_id;
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} vlan;
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/* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
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* if just using ethertype as filter. Set lkup_type as
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* ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
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* passed in as filter.
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*/
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struct {
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u16 ethertype;
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u8 mac_addr[ETH_ALEN]; /* optional */
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} ethertype_mac;
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} l_data;
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/* Depending on filter action */
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union {
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/* queue id in case of ICE_FWD_TO_Q and starting
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* queue id in case of ICE_FWD_TO_QGRP.
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*/
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u16 q_id:11;
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u16 vsi_id:10;
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u16 vsi_list_id:10;
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} fwd_id;
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/* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
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* determines the range of queues the packet needs to be forwarded to
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*/
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u8 qgrp_size;
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/* Rule creations populate these indicators basing on the switch type */
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u8 lb_en; /* Indicate if packet can be looped back */
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u8 lan_en; /* Indicate if packet can be forwarded to the uplink */
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};
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/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list id */
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struct ice_vsi_list_map_info {
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struct list_head list_entry;
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DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
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u16 vsi_list_id;
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};
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enum ice_sw_fltr_status {
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ICE_FLTR_STATUS_NEW = 0,
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ICE_FLTR_STATUS_FW_SUCCESS,
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ICE_FLTR_STATUS_FW_FAIL,
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};
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struct ice_fltr_list_entry {
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struct list_head list_entry;
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enum ice_sw_fltr_status status;
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struct ice_fltr_info fltr_info;
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};
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/* This defines an entry in the list that maintains MAC or VLAN membership
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* to HW list mapping, since multiple VSIs can subscribe to the same MAC or
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* VLAN. As an optimization the VSI list should be created only when a
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* second VSI becomes a subscriber to the VLAN address.
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*/
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struct ice_fltr_mgmt_list_entry {
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/* back pointer to VSI list id to VSI list mapping */
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struct ice_vsi_list_map_info *vsi_list_info;
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u16 vsi_count;
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#define ICE_INVAL_LG_ACT_INDEX 0xffff
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u16 lg_act_idx;
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#define ICE_INVAL_SW_MARKER_ID 0xffff
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u16 sw_marker_id;
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struct list_head list_entry;
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struct ice_fltr_info fltr_info;
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#define ICE_INVAL_COUNTER_ID 0xff
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u8 counter_index;
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};
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/* VSI related commands */
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enum ice_status
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ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
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struct ice_sq_cd *cd);
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enum ice_status
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ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
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struct ice_sq_cd *cd);
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enum ice_status
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ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
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bool keep_vsi_alloc, struct ice_sq_cd *cd);
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enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw);
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/* Switch/bridge related commands */
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enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
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enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
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void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_id);
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enum ice_status ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
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enum ice_status ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
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enum ice_status
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ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_id, bool set, u8 direction);
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#endif /* _ICE_SWITCH_H_ */
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