/* 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 /* 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]; }; 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; /* 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; }; 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 */ 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); enum ice_status ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); enum ice_status ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 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); /* Promisc/defport setup for VSIs */ enum ice_status ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); enum ice_status ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid); enum ice_status ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid); enum ice_status ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, bool rm_vlan_promisc); 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_ */