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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_FLTR_RX BIT(0)
#define ICE_FLTR_TX BIT(1)
#define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
#define ICE_VSI_INVAL_ID 0xffff
#define ICE_INVAL_Q_HANDLE 0xFFFF
/* Switch Profile IDs for Profile related switch rules */
#define ICE_PROFID_IPV4_GTPC_TEID 41
#define ICE_PROFID_IPV4_GTPC_NO_TEID 42
#define ICE_PROFID_IPV4_GTPU_TEID 43
#define ICE_PROFID_IPV6_GTPC_TEID 44
#define ICE_PROFID_IPV6_GTPC_NO_TEID 45
#define ICE_PROFID_IPV6_GTPU_TEID 46
#define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70
/* 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;
u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];
struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];
u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS];
struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS];
};
/* 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;
/* 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;
u16 tpid;
u8 tpid_valid;
} 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_update_recipe_lkup_idx_params {
u16 rid;
u16 fv_idx;
bool ignore_valid;
u16 mask;
bool mask_valid;
u8 lkup_idx;
};
struct ice_adv_lkup_elem {
enum ice_protocol_type type;
union {
union ice_prot_hdr h_u; /* Header values */
/* Used to iterate over the headers */
u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
};
union {
union ice_prot_hdr m_u; /* Mask of header values to match */
/* Used to iterate over header mask */
u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
};
};
struct ice_sw_act_ctrl {
/* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
u16 src;
u16 flag;
enum ice_sw_fwd_act_type fltr_act;
/* Depending on filter action */
union {
/* This is a 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 vsi_id:10;
u16 hw_vsi_id:10;
u16 vsi_list_id:10;
} fwd_id;
/* software VSI handle */
u16 vsi_handle;
u8 qgrp_size;
};
struct ice_rule_query_data {
/* Recipe ID for which the requested rule was added */
u16 rid;
/* Rule ID that was added or is supposed to be removed */
u16 rule_id;
/* vsi_handle for which Rule was added or is supposed to be removed */
u16 vsi_handle;
};
/* This structure allows to pass info about lb_en and lan_en
* flags to ice_add_adv_rule. Values in act would be used
* only if act_valid was set to true, otherwise default
* values would be used.
*/
struct ice_adv_rule_flags_info {
u32 act;
u8 act_valid; /* indicate if flags in act are valid */
};
struct ice_adv_rule_info {
enum ice_sw_tunnel_type tun_type;
struct ice_sw_act_ctrl sw_act;
u32 priority;
u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */
u16 fltr_rule_id;
u16 vlan_type;
struct ice_adv_rule_flags_info flags_info;
};
/* A collection of one or more four word recipe */
struct ice_sw_recipe {
/* For a chained recipe the root recipe is what should be used for
* programming rules
*/
u8 is_root;
u8 root_rid;
u8 recp_created;
/* Number of extraction words */
u8 n_ext_words;
/* Protocol ID and Offset pair (extraction word) to describe the
* recipe
*/
struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];
u16 word_masks[ICE_MAX_CHAIN_WORDS];
/* if this recipe is a collection of other recipe */
u8 big_recp;
/* if this recipe is part of another bigger recipe then chain index
* corresponding to this recipe
*/
u8 chain_idx;
/* if this recipe is a collection of other recipe then count of other
* recipes and recipe IDs of those recipes
*/
u8 n_grp_count;
/* Bit map specifying the IDs associated with this group of recipe */
DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
enum ice_sw_tunnel_type tun_type;
/* List of type ice_fltr_mgmt_list_entry or adv_rule */
u8 adv_rule;
struct list_head filt_rules;
struct list_head filt_replay_rules;
struct mutex filt_rule_lock; /* protect filter rule structure */
/* Profiles this recipe should be associated with */
struct list_head fv_list;
/* Profiles this recipe is associated with */
u8 num_profs, *prof_ids;
/* Bit map for possible result indexes */
DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);
/* This allows user to specify the recipe priority.
* For now, this becomes 'fwd_priority' when recipe
* is created, usually recipes can have 'fwd' and 'join'
* priority.
*/
u8 priority;
struct list_head rg_list;
/* AQ buffer associated with this recipe */
struct ice_aqc_recipe_data_elem *root_buf;
/* This struct saves the fv_words for a given lookup */
struct ice_prot_lkup_ext lkup_exts;
};
/* 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;
int 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;
};
struct ice_adv_fltr_mgmt_list_entry {
struct list_head list_entry;
struct ice_adv_lkup_elem *lkups;
struct ice_adv_rule_info rule_info;
u16 lkups_cnt;
struct ice_vsi_list_map_info *vsi_list_info;
u16 vsi_count;
};
enum ice_promisc_flags {
ICE_PROMISC_UCAST_RX = 0x1,
ICE_PROMISC_UCAST_TX = 0x2,
ICE_PROMISC_MCAST_RX = 0x4,
ICE_PROMISC_MCAST_TX = 0x8,
ICE_PROMISC_BCAST_RX = 0x10,
ICE_PROMISC_BCAST_TX = 0x20,
ICE_PROMISC_VLAN_RX = 0x40,
ICE_PROMISC_VLAN_TX = 0x80,
};
/* VSI related commands */
int
ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd);
int
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);
int
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 */
int ice_get_initial_sw_cfg(struct ice_hw *hw);
int
ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 *counter_id);
int
ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 counter_id);
/* Switch/bridge related commands */
int
ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
struct ice_rule_query_data *added_entry);
int ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle);
bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle);
int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);
void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
/* Promisc/defport setup for VSIs */
int
ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
u8 direction);
bool
ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
bool *rule_exists);
int
ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
u16 vid);
int
ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
u16 vid);
int
ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
bool rm_vlan_promisc);
int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle);
int
ice_rem_adv_rule_by_id(struct ice_hw *hw,
struct ice_rule_query_data *remove_entry);
int ice_init_def_sw_recp(struct ice_hw *hw);
u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);
void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
int
ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd);
int
ice_update_recipe_lkup_idx(struct ice_hw *hw,
struct ice_update_recipe_lkup_idx_params *params);
void ice_change_proto_id_to_dvm(void);
#endif /* _ICE_SWITCH_H_ */