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 2048 10 #define ICE_DFLT_VSI_INVAL 0xff 11 #define ICE_FLTR_RX BIT(0) 12 #define ICE_FLTR_TX BIT(1) 13 #define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX) 14 #define ICE_VSI_INVAL_ID 0xffff 15 #define ICE_INVAL_Q_HANDLE 0xFFFF 16 17 /* VSI context structure for add/get/update/free operations */ 18 struct ice_vsi_ctx { 19 u16 vsi_num; 20 u16 vsis_allocd; 21 u16 vsis_unallocated; 22 u16 flags; 23 struct ice_aqc_vsi_props info; 24 struct ice_sched_vsi_info sched; 25 u8 alloc_from_pool; 26 u8 vf_num; 27 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 28 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 29 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; 30 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 31 }; 32 33 enum ice_sw_fwd_act_type { 34 ICE_FWD_TO_VSI = 0, 35 ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */ 36 ICE_FWD_TO_Q, 37 ICE_FWD_TO_QGRP, 38 ICE_DROP_PACKET, 39 ICE_INVAL_ACT 40 }; 41 42 /* Switch recipe ID enum values are specific to hardware */ 43 enum ice_sw_lkup_type { 44 ICE_SW_LKUP_ETHERTYPE = 0, 45 ICE_SW_LKUP_MAC = 1, 46 ICE_SW_LKUP_MAC_VLAN = 2, 47 ICE_SW_LKUP_PROMISC = 3, 48 ICE_SW_LKUP_VLAN = 4, 49 ICE_SW_LKUP_DFLT = 5, 50 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 51 ICE_SW_LKUP_PROMISC_VLAN = 9, 52 ICE_SW_LKUP_LAST 53 }; 54 55 /* type of filter src ID */ 56 enum ice_src_id { 57 ICE_SRC_ID_UNKNOWN = 0, 58 ICE_SRC_ID_VSI, 59 ICE_SRC_ID_QUEUE, 60 ICE_SRC_ID_LPORT, 61 }; 62 63 struct ice_fltr_info { 64 /* Look up information: how to look up packet */ 65 enum ice_sw_lkup_type lkup_type; 66 /* Forward action: filter action to do after lookup */ 67 enum ice_sw_fwd_act_type fltr_act; 68 /* rule ID returned by firmware once filter rule is created */ 69 u16 fltr_rule_id; 70 u16 flag; 71 72 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 73 u16 src; 74 enum ice_src_id src_id; 75 76 union { 77 struct { 78 u8 mac_addr[ETH_ALEN]; 79 } mac; 80 struct { 81 u8 mac_addr[ETH_ALEN]; 82 u16 vlan_id; 83 } mac_vlan; 84 struct { 85 u16 vlan_id; 86 } vlan; 87 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 88 * if just using ethertype as filter. Set lkup_type as 89 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 90 * passed in as filter. 91 */ 92 struct { 93 u16 ethertype; 94 u8 mac_addr[ETH_ALEN]; /* optional */ 95 } ethertype_mac; 96 } l_data; /* Make sure to zero out the memory of l_data before using 97 * it or only set the data associated with lookup match 98 * rest everything should be zero 99 */ 100 101 /* Depending on filter action */ 102 union { 103 /* queue ID in case of ICE_FWD_TO_Q and starting 104 * queue ID in case of ICE_FWD_TO_QGRP. 105 */ 106 u16 q_id:11; 107 u16 hw_vsi_id:10; 108 u16 vsi_list_id:10; 109 } fwd_id; 110 111 /* Sw VSI handle */ 112 u16 vsi_handle; 113 114 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 115 * determines the range of queues the packet needs to be forwarded to. 116 * Note that qgrp_size must be set to a power of 2. 117 */ 118 u8 qgrp_size; 119 120 /* Rule creations populate these indicators basing on the switch type */ 121 u8 lb_en; /* Indicate if packet can be looped back */ 122 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 123 }; 124 125 struct ice_sw_recipe { 126 struct list_head l_entry; 127 128 /* To protect modification of filt_rule list 129 * defined below 130 */ 131 struct mutex filt_rule_lock; 132 133 /* List of type ice_fltr_mgmt_list_entry */ 134 struct list_head filt_rules; 135 struct list_head filt_replay_rules; 136 137 /* linked list of type recipe_list_entry */ 138 struct list_head rg_list; 139 /* linked list of type ice_sw_fv_list_entry*/ 140 struct list_head fv_list; 141 struct ice_aqc_recipe_data_elem *r_buf; 142 u8 recp_count; 143 u8 root_rid; 144 u8 num_profs; 145 u8 *prof_ids; 146 147 /* recipe bitmap: what all recipes makes this recipe */ 148 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 149 }; 150 151 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 152 struct ice_vsi_list_map_info { 153 struct list_head list_entry; 154 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 155 u16 vsi_list_id; 156 /* counter to track how many rules are reusing this VSI list */ 157 u16 ref_cnt; 158 }; 159 160 struct ice_fltr_list_entry { 161 struct list_head list_entry; 162 enum ice_status status; 163 struct ice_fltr_info fltr_info; 164 }; 165 166 /* This defines an entry in the list that maintains MAC or VLAN membership 167 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 168 * VLAN. As an optimization the VSI list should be created only when a 169 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 170 * used for VLAN membership. 171 */ 172 struct ice_fltr_mgmt_list_entry { 173 /* back pointer to VSI list ID to VSI list mapping */ 174 struct ice_vsi_list_map_info *vsi_list_info; 175 u16 vsi_count; 176 #define ICE_INVAL_LG_ACT_INDEX 0xffff 177 u16 lg_act_idx; 178 #define ICE_INVAL_SW_MARKER_ID 0xffff 179 u16 sw_marker_id; 180 struct list_head list_entry; 181 struct ice_fltr_info fltr_info; 182 #define ICE_INVAL_COUNTER_ID 0xff 183 u8 counter_index; 184 }; 185 186 enum ice_promisc_flags { 187 ICE_PROMISC_UCAST_RX = 0x1, 188 ICE_PROMISC_UCAST_TX = 0x2, 189 ICE_PROMISC_MCAST_RX = 0x4, 190 ICE_PROMISC_MCAST_TX = 0x8, 191 ICE_PROMISC_BCAST_RX = 0x10, 192 ICE_PROMISC_BCAST_TX = 0x20, 193 ICE_PROMISC_VLAN_RX = 0x40, 194 ICE_PROMISC_VLAN_TX = 0x80, 195 }; 196 197 /* VSI related commands */ 198 enum ice_status 199 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 200 struct ice_sq_cd *cd); 201 enum ice_status 202 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 203 bool keep_vsi_alloc, struct ice_sq_cd *cd); 204 enum ice_status 205 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 206 struct ice_sq_cd *cd); 207 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 208 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 209 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 210 /* Switch config */ 211 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw); 212 213 enum ice_status 214 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 215 u16 *counter_id); 216 enum ice_status 217 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 218 u16 counter_id); 219 220 /* Switch/bridge related commands */ 221 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 222 enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 223 enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 224 enum ice_status 225 ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 226 enum ice_status 227 ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 228 int 229 ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 230 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 231 enum ice_status 232 ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 233 enum ice_status ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 234 235 /* Promisc/defport setup for VSIs */ 236 enum ice_status 237 ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); 238 enum ice_status 239 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 240 u16 vid); 241 enum ice_status 242 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 243 u16 vid); 244 enum ice_status 245 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 246 bool rm_vlan_promisc); 247 248 enum ice_status ice_init_def_sw_recp(struct ice_hw *hw); 249 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 250 251 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 252 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 253 254 #endif /* _ICE_SWITCH_H_ */ 255