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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */
#ifndef _ICE_SWITCH_H_
#define _ICE_SWITCH_H_
#include "ice_common.h"
#define ICE_SW_CFG_MAX_BUF_LEN 2048
#define ICE_DFLT_VSI_INVAL 0xff
#define ICE_VSI_INVAL_ID 0xffff
/* VSI context structure for add/get/update/free operations */
struct ice_vsi_ctx {
u16 vsi_num;
u16 vsis_allocd;
u16 vsis_unallocated;
u16 flags;
struct ice_aqc_vsi_props info;
struct ice_sched_vsi_info sched;
u8 alloc_from_pool;
u8 vf_num;
};
enum ice_sw_fwd_act_type {
ICE_FWD_TO_VSI = 0,
ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */
ICE_FWD_TO_Q,
ICE_FWD_TO_QGRP,
ICE_DROP_PACKET,
ICE_INVAL_ACT
};
/* Switch recipe ID enum values are specific to hardware */
enum ice_sw_lkup_type {
ICE_SW_LKUP_ETHERTYPE = 0,
ICE_SW_LKUP_MAC = 1,
ICE_SW_LKUP_MAC_VLAN = 2,
ICE_SW_LKUP_PROMISC = 3,
ICE_SW_LKUP_VLAN = 4,
ICE_SW_LKUP_DFLT = 5,
ICE_SW_LKUP_ETHERTYPE_MAC = 8,
ICE_SW_LKUP_PROMISC_VLAN = 9,
ICE_SW_LKUP_LAST
};
/* type of filter src id */
enum ice_src_id {
ICE_SRC_ID_UNKNOWN = 0,
ICE_SRC_ID_VSI,
ICE_SRC_ID_QUEUE,
ICE_SRC_ID_LPORT,
};
struct ice_fltr_info {
/* Look up information: how to look up packet */
enum ice_sw_lkup_type lkup_type;
/* Forward action: filter action to do after lookup */
enum ice_sw_fwd_act_type fltr_act;
/* rule ID returned by firmware once filter rule is created */
u16 fltr_rule_id;
u16 flag;
#define ICE_FLTR_RX BIT(0)
#define ICE_FLTR_TX BIT(1)
#define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
u16 src;
enum ice_src_id src_id;
union {
struct {
u8 mac_addr[ETH_ALEN];
} mac;
struct {
u8 mac_addr[ETH_ALEN];
u16 vlan_id;
} mac_vlan;
struct {
u16 vlan_id;
} vlan;
/* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
* if just using ethertype as filter. Set lkup_type as
* ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
* passed in as filter.
*/
struct {
u16 ethertype;
u8 mac_addr[ETH_ALEN]; /* optional */
} ethertype_mac;
} l_data; /* Make sure to zero out the memory of l_data before using
* it or only set the data associated with lookup match
* rest everything should be zero
*/
/* Depending on filter action */
union {
/* queue id in case of ICE_FWD_TO_Q and starting
* queue id in case of ICE_FWD_TO_QGRP.
*/
u16 q_id:11;
u16 hw_vsi_id:10;
u16 vsi_list_id:10;
} fwd_id;
/* Sw VSI handle */
u16 vsi_handle;
/* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
* determines the range of queues the packet needs to be forwarded to.
* Note that qgrp_size must be set to a power of 2.
*/
u8 qgrp_size;
/* Rule creations populate these indicators basing on the switch type */
u8 lb_en; /* Indicate if packet can be looped back */
u8 lan_en; /* Indicate if packet can be forwarded to the uplink */
};
struct ice_sw_recipe {
struct list_head l_entry;
/* To protect modification of filt_rule list
* defined below
*/
struct mutex filt_rule_lock;
/* List of type ice_fltr_mgmt_list_entry */
struct list_head filt_rules;
struct list_head filt_replay_rules;
/* linked list of type recipe_list_entry */
struct list_head rg_list;
/* linked list of type ice_sw_fv_list_entry*/
struct list_head fv_list;
struct ice_aqc_recipe_data_elem *r_buf;
u8 recp_count;
u8 root_rid;
u8 num_profs;
u8 *prof_ids;
/* recipe bitmap: what all recipes makes this recipe */
DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
};
/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list id */
struct ice_vsi_list_map_info {
struct list_head list_entry;
DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
u16 vsi_list_id;
/* counter to track how many rules are reusing this VSI list */
u16 ref_cnt;
};
struct ice_fltr_list_entry {
struct list_head list_entry;
enum ice_status status;
struct ice_fltr_info fltr_info;
};
/* This defines an entry in the list that maintains MAC or VLAN membership
* to HW list mapping, since multiple VSIs can subscribe to the same MAC or
* VLAN. As an optimization the VSI list should be created only when a
* second VSI becomes a subscriber to the same MAC address. VSI lists are always
* used for VLAN membership.
*/
struct ice_fltr_mgmt_list_entry {
/* back pointer to VSI list id to VSI list mapping */
struct ice_vsi_list_map_info *vsi_list_info;
u16 vsi_count;
#define ICE_INVAL_LG_ACT_INDEX 0xffff
u16 lg_act_idx;
#define ICE_INVAL_SW_MARKER_ID 0xffff
u16 sw_marker_id;
struct list_head list_entry;
struct ice_fltr_info fltr_info;
#define ICE_INVAL_COUNTER_ID 0xff
u8 counter_index;
};
/* VSI related commands */
enum ice_status
ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd);
enum ice_status
ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
bool keep_vsi_alloc, struct ice_sq_cd *cd);
enum ice_status
ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd);
bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
void ice_clear_all_vsi_ctx(struct ice_hw *hw);
/* Switch config */
enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw);
/* Switch/bridge related commands */
enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
enum ice_status ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
enum ice_status ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
enum ice_status
ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction);
enum ice_status ice_init_def_sw_recp(struct ice_hw *hw);
u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);
void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
#endif /* _ICE_SWITCH_H_ */
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