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1/* SPDX-License-Identifier: GPL-2.0 */2/* Copyright (c) 2018, Intel Corporation. */3 4#ifndef _ICE_SWITCH_H_5#define _ICE_SWITCH_H_6 7#include "ice_common.h"8 9#define ICE_SW_CFG_MAX_BUF_LEN 204810#define ICE_DFLT_VSI_INVAL 0xff11#define ICE_FLTR_RX BIT(0)12#define ICE_FLTR_TX BIT(1)13#define ICE_FLTR_TX_ONLY BIT(2)14#define ICE_VSI_INVAL_ID 0xffff15#define ICE_INVAL_Q_HANDLE 0xFFFF16 17/* Switch Profile IDs for Profile related switch rules */18#define ICE_PROFID_IPV4_GTPC_TEID 4119#define ICE_PROFID_IPV4_GTPC_NO_TEID 4220#define ICE_PROFID_IPV4_GTPU_TEID 4321#define ICE_PROFID_IPV6_GTPC_TEID 4422#define ICE_PROFID_IPV6_GTPC_NO_TEID 4523#define ICE_PROFID_IPV6_GTPU_TEID 4624#define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 7025#define ICE_PROFID_IPV4_PFCP_NODE 7926#define ICE_PROFID_IPV6_PFCP_SESSION 8227 28#define ICE_SW_RULE_VSI_LIST_SIZE(s, n) struct_size((s), vsi, (n))29#define ICE_SW_RULE_RX_TX_HDR_SIZE(s, l) struct_size((s), hdr_data, (l))30#define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s) \31 ICE_SW_RULE_RX_TX_HDR_SIZE((s), DUMMY_ETH_HDR_LEN)32#define ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s) \33 ICE_SW_RULE_RX_TX_HDR_SIZE((s), 0)34#define ICE_SW_RULE_LG_ACT_SIZE(s, n) struct_size((s), act, (n))35 36#define DUMMY_ETH_HDR_LEN 1637 38/* VSI context structure for add/get/update/free operations */39struct ice_vsi_ctx {40 u16 vsi_num;41 u16 vsis_allocd;42 u16 vsis_unallocated;43 u16 flags;44 struct ice_aqc_vsi_props info;45 struct ice_sched_vsi_info sched;46 u8 alloc_from_pool;47 u8 vf_num;48 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];49 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];50 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS];51 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS];52};53 54/* Switch recipe ID enum values are specific to hardware */55enum ice_sw_lkup_type {56 ICE_SW_LKUP_ETHERTYPE = 0,57 ICE_SW_LKUP_MAC = 1,58 ICE_SW_LKUP_MAC_VLAN = 2,59 ICE_SW_LKUP_PROMISC = 3,60 ICE_SW_LKUP_VLAN = 4,61 ICE_SW_LKUP_DFLT = 5,62 ICE_SW_LKUP_ETHERTYPE_MAC = 8,63 ICE_SW_LKUP_PROMISC_VLAN = 9,64 ICE_SW_LKUP_LAST65};66 67/* type of filter src ID */68enum ice_src_id {69 ICE_SRC_ID_UNKNOWN = 0,70 ICE_SRC_ID_VSI,71 ICE_SRC_ID_QUEUE,72 ICE_SRC_ID_LPORT,73};74 75struct ice_fltr_info {76 /* Look up information: how to look up packet */77 enum ice_sw_lkup_type lkup_type;78 /* Forward action: filter action to do after lookup */79 enum ice_sw_fwd_act_type fltr_act;80 /* rule ID returned by firmware once filter rule is created */81 u16 fltr_rule_id;82 u16 flag;83 84 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */85 u16 src;86 enum ice_src_id src_id;87 88 union {89 struct {90 u8 mac_addr[ETH_ALEN];91 } mac;92 struct {93 u8 mac_addr[ETH_ALEN];94 u16 vlan_id;95 } mac_vlan;96 struct {97 u16 vlan_id;98 u16 tpid;99 u8 tpid_valid;100 } vlan;101 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE102 * if just using ethertype as filter. Set lkup_type as103 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be104 * passed in as filter.105 */106 struct {107 u16 ethertype;108 u8 mac_addr[ETH_ALEN]; /* optional */109 } ethertype_mac;110 } l_data; /* Make sure to zero out the memory of l_data before using111 * it or only set the data associated with lookup match112 * rest everything should be zero113 */114 115 /* Depending on filter action */116 union {117 /* queue ID in case of ICE_FWD_TO_Q and starting118 * queue ID in case of ICE_FWD_TO_QGRP.119 */120 u16 q_id:11;121 u16 hw_vsi_id:10;122 u16 vsi_list_id:10;123 } fwd_id;124 125 /* Sw VSI handle */126 u16 vsi_handle;127 128 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field129 * determines the range of queues the packet needs to be forwarded to.130 * Note that qgrp_size must be set to a power of 2.131 */132 u8 qgrp_size;133 134 /* Rule creations populate these indicators basing on the switch type */135 u8 lb_en; /* Indicate if packet can be looped back */136 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */137};138 139struct ice_update_recipe_lkup_idx_params {140 u16 rid;141 u16 fv_idx;142 bool ignore_valid;143 u16 mask;144 bool mask_valid;145 u8 lkup_idx;146};147 148struct ice_adv_lkup_elem {149 enum ice_protocol_type type;150 union {151 union ice_prot_hdr h_u; /* Header values */152 /* Used to iterate over the headers */153 u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];154 };155 union {156 union ice_prot_hdr m_u; /* Mask of header values to match */157 /* Used to iterate over header mask */158 u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];159 };160};161 162struct ice_sw_act_ctrl {163 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */164 u16 src;165 u16 flag;166 enum ice_sw_fwd_act_type fltr_act;167 /* Depending on filter action */168 union {169 /* This is a queue ID in case of ICE_FWD_TO_Q and starting170 * queue ID in case of ICE_FWD_TO_QGRP.171 */172 u16 q_id:11;173 u16 vsi_id:10;174 u16 hw_vsi_id:10;175 u16 vsi_list_id:10;176 } fwd_id;177 /* software VSI handle */178 u16 vsi_handle;179 u8 qgrp_size;180};181 182struct ice_rule_query_data {183 /* Recipe ID for which the requested rule was added */184 u16 rid;185 /* Rule ID that was added or is supposed to be removed */186 u16 rule_id;187 /* vsi_handle for which Rule was added or is supposed to be removed */188 u16 vsi_handle;189};190 191/* This structure allows to pass info about lb_en and lan_en192 * flags to ice_add_adv_rule. Values in act would be used193 * only if act_valid was set to true, otherwise default194 * values would be used.195 */196struct ice_adv_rule_flags_info {197 u32 act;198 u8 act_valid; /* indicate if flags in act are valid */199};200 201struct ice_adv_rule_info {202 /* Store metadata values in rule info */203 enum ice_sw_tunnel_type tun_type;204 u16 vlan_type;205 u16 fltr_rule_id;206 u32 priority;207 u16 need_pass_l2:1;208 u16 allow_pass_l2:1;209 u16 src_vsi;210 struct ice_sw_act_ctrl sw_act;211 struct ice_adv_rule_flags_info flags_info;212};213 214/* A collection of one or more four word recipe */215struct ice_sw_recipe {216 /* For a chained recipe the root recipe is what should be used for217 * programming rules218 */219 u8 root_rid;220 u8 recp_created;221 222 /* Number of extraction words */223 u8 n_ext_words;224 /* Protocol ID and Offset pair (extraction word) to describe the225 * recipe226 */227 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];228 u16 word_masks[ICE_MAX_CHAIN_WORDS];229 u8 fv_idx[ICE_MAX_CHAIN_WORDS];230 u16 fv_mask[ICE_MAX_CHAIN_WORDS];231 232 /* Bit map specifying the IDs associated with this group of recipe */233 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);234 235 enum ice_sw_tunnel_type tun_type;236 237 /* List of type ice_fltr_mgmt_list_entry or adv_rule */238 u8 adv_rule;239 struct list_head filt_rules;240 struct list_head filt_replay_rules;241 242 struct mutex filt_rule_lock; /* protect filter rule structure */243 244 /* Profiles this recipe should be associated with */245 struct list_head fv_list;246 247 /* Profiles this recipe is associated with */248 u8 num_profs, *prof_ids;249 250 /* Bit map for possible result indexes */251 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);252 253 /* This allows user to specify the recipe priority.254 * For now, this becomes 'fwd_priority' when recipe255 * is created, usually recipes can have 'fwd' and 'join'256 * priority.257 */258 u8 priority;259 260 u8 need_pass_l2:1;261 u8 allow_pass_l2:1;262 263 /* This struct saves the fv_words for a given lookup */264 struct ice_prot_lkup_ext lkup_exts;265};266 267/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */268struct ice_vsi_list_map_info {269 struct list_head list_entry;270 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);271 u16 vsi_list_id;272 /* counter to track how many rules are reusing this VSI list */273 u16 ref_cnt;274};275 276struct ice_fltr_list_entry {277 struct list_head list_entry;278 int status;279 struct ice_fltr_info fltr_info;280};281 282/* This defines an entry in the list that maintains MAC or VLAN membership283 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or284 * VLAN. As an optimization the VSI list should be created only when a285 * second VSI becomes a subscriber to the same MAC address. VSI lists are always286 * used for VLAN membership.287 */288struct ice_fltr_mgmt_list_entry {289 /* back pointer to VSI list ID to VSI list mapping */290 struct ice_vsi_list_map_info *vsi_list_info;291 u16 vsi_count;292#define ICE_INVAL_LG_ACT_INDEX 0xffff293 u16 lg_act_idx;294#define ICE_INVAL_SW_MARKER_ID 0xffff295 u16 sw_marker_id;296 struct list_head list_entry;297 struct ice_fltr_info fltr_info;298#define ICE_INVAL_COUNTER_ID 0xff299 u8 counter_index;300};301 302struct ice_adv_fltr_mgmt_list_entry {303 struct list_head list_entry;304 305 struct ice_adv_lkup_elem *lkups;306 struct ice_adv_rule_info rule_info;307 u16 lkups_cnt;308 struct ice_vsi_list_map_info *vsi_list_info;309 u16 vsi_count;310};311 312enum ice_promisc_flags {313 ICE_PROMISC_UCAST_RX = 0x1,314 ICE_PROMISC_UCAST_TX = 0x2,315 ICE_PROMISC_MCAST_RX = 0x4,316 ICE_PROMISC_MCAST_TX = 0x8,317 ICE_PROMISC_BCAST_RX = 0x10,318 ICE_PROMISC_BCAST_TX = 0x20,319 ICE_PROMISC_VLAN_RX = 0x40,320 ICE_PROMISC_VLAN_TX = 0x80,321};322 323/* VSI related commands */324int325ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,326 struct ice_sq_cd *cd);327int328ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,329 bool keep_vsi_alloc, struct ice_sq_cd *cd);330int331ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,332 struct ice_sq_cd *cd);333bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);334struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);335void ice_clear_all_vsi_ctx(struct ice_hw *hw);336/* Switch config */337int ice_get_initial_sw_cfg(struct ice_hw *hw);338 339int340ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,341 u16 *counter_id);342int343ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,344 u16 counter_id);345int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id);346 347/* Switch/bridge related commands */348void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup);349void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup);350void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup);351void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup);352int353ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,354 u16 lkups_cnt, struct ice_adv_rule_info *rinfo,355 struct ice_rule_query_data *added_entry);356int ice_update_sw_rule_bridge_mode(struct ice_hw *hw);357int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);358int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);359int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);360int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);361bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle);362int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);363int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);364int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);365void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);366 367/* Promisc/defport setup for VSIs */368int369ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,370 u8 direction);371bool372ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,373 bool *rule_exists);374 375int376ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,377 u16 vid);378int379ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,380 u16 vid);381int382ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,383 bool rm_vlan_promisc);384 385int386ice_rem_adv_rule_by_id(struct ice_hw *hw,387 struct ice_rule_query_data *remove_entry);388 389int ice_init_def_sw_recp(struct ice_hw *hw);390u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);391 392int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);393void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);394void ice_fill_eth_hdr(u8 *eth_hdr);395 396int397ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,398 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd);399int400ice_update_recipe_lkup_idx(struct ice_hw *hw,401 struct ice_update_recipe_lkup_idx_params *params);402void ice_change_proto_id_to_dvm(void);403struct ice_vsi_list_map_info *404ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,405 u16 *vsi_list_id);406int ice_alloc_recipe(struct ice_hw *hw, u16 *rid);407int ice_aq_get_recipe(struct ice_hw *hw,408 struct ice_aqc_recipe_data_elem *s_recipe_list,409 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd);410int ice_aq_add_recipe(struct ice_hw *hw,411 struct ice_aqc_recipe_data_elem *s_recipe_list,412 u16 num_recipes, struct ice_sq_cd *cd);413int414ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc,415 struct ice_sq_cd *cd);416int417ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc,418 struct ice_sq_cd *cd);419void ice_init_chk_recipe_reuse_support(struct ice_hw *hw);420 421#endif /* _ICE_SWITCH_H_ */422