1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
7 #include "ice_common.h"
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
17 /* Switch Profile IDs for Profile related switch rules */
18 #define ICE_PROFID_IPV4_GTPC_TEID 41
19 #define ICE_PROFID_IPV4_GTPC_NO_TEID 42
20 #define ICE_PROFID_IPV4_GTPU_TEID 43
21 #define ICE_PROFID_IPV6_GTPC_TEID 44
22 #define ICE_PROFID_IPV6_GTPC_NO_TEID 45
23 #define ICE_PROFID_IPV6_GTPU_TEID 46
24 #define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70
26 /* VSI context structure for add/get/update/free operations */
32 struct ice_aqc_vsi_props info;
33 struct ice_sched_vsi_info sched;
36 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];
37 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];
38 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS];
39 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS];
42 /* Switch recipe ID enum values are specific to hardware */
43 enum ice_sw_lkup_type {
44 ICE_SW_LKUP_ETHERTYPE = 0,
46 ICE_SW_LKUP_MAC_VLAN = 2,
47 ICE_SW_LKUP_PROMISC = 3,
50 ICE_SW_LKUP_ETHERTYPE_MAC = 8,
51 ICE_SW_LKUP_PROMISC_VLAN = 9,
55 /* type of filter src ID */
57 ICE_SRC_ID_UNKNOWN = 0,
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 */
72 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
74 enum ice_src_id src_id;
78 u8 mac_addr[ETH_ALEN];
81 u8 mac_addr[ETH_ALEN];
89 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
90 * if just using ethertype as filter. Set lkup_type as
91 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
92 * passed in as filter.
96 u8 mac_addr[ETH_ALEN]; /* optional */
98 } l_data; /* Make sure to zero out the memory of l_data before using
99 * it or only set the data associated with lookup match
100 * rest everything should be zero
103 /* Depending on filter action */
105 /* queue ID in case of ICE_FWD_TO_Q and starting
106 * queue ID in case of ICE_FWD_TO_QGRP.
116 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
117 * determines the range of queues the packet needs to be forwarded to.
118 * Note that qgrp_size must be set to a power of 2.
122 /* Rule creations populate these indicators basing on the switch type */
123 u8 lb_en; /* Indicate if packet can be looped back */
124 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */
127 struct ice_update_recipe_lkup_idx_params {
136 struct ice_adv_lkup_elem {
137 enum ice_protocol_type type;
139 union ice_prot_hdr h_u; /* Header values */
140 /* Used to iterate over the headers */
141 u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
144 union ice_prot_hdr m_u; /* Mask of header values to match */
145 /* Used to iterate over header mask */
146 u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)];
150 struct ice_sw_act_ctrl {
151 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
154 enum ice_sw_fwd_act_type fltr_act;
155 /* Depending on filter action */
157 /* This is a queue ID in case of ICE_FWD_TO_Q and starting
158 * queue ID in case of ICE_FWD_TO_QGRP.
165 /* software VSI handle */
170 struct ice_rule_query_data {
171 /* Recipe ID for which the requested rule was added */
173 /* Rule ID that was added or is supposed to be removed */
175 /* vsi_handle for which Rule was added or is supposed to be removed */
179 /* This structure allows to pass info about lb_en and lan_en
180 * flags to ice_add_adv_rule. Values in act would be used
181 * only if act_valid was set to true, otherwise default
182 * values would be used.
184 struct ice_adv_rule_flags_info {
186 u8 act_valid; /* indicate if flags in act are valid */
189 struct ice_adv_rule_info {
190 enum ice_sw_tunnel_type tun_type;
191 struct ice_sw_act_ctrl sw_act;
193 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */
195 struct ice_adv_rule_flags_info flags_info;
198 /* A collection of one or more four word recipe */
199 struct ice_sw_recipe {
200 /* For a chained recipe the root recipe is what should be used for
207 /* Number of extraction words */
209 /* Protocol ID and Offset pair (extraction word) to describe the
212 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];
213 u16 word_masks[ICE_MAX_CHAIN_WORDS];
215 /* if this recipe is a collection of other recipe */
218 /* if this recipe is part of another bigger recipe then chain index
219 * corresponding to this recipe
223 /* if this recipe is a collection of other recipe then count of other
224 * recipes and recipe IDs of those recipes
228 /* Bit map specifying the IDs associated with this group of recipe */
229 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
231 enum ice_sw_tunnel_type tun_type;
233 /* List of type ice_fltr_mgmt_list_entry or adv_rule */
235 struct list_head filt_rules;
236 struct list_head filt_replay_rules;
238 struct mutex filt_rule_lock; /* protect filter rule structure */
240 /* Profiles this recipe should be associated with */
241 struct list_head fv_list;
243 /* Profiles this recipe is associated with */
244 u8 num_profs, *prof_ids;
246 /* Bit map for possible result indexes */
247 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);
249 /* This allows user to specify the recipe priority.
250 * For now, this becomes 'fwd_priority' when recipe
251 * is created, usually recipes can have 'fwd' and 'join'
256 struct list_head rg_list;
258 /* AQ buffer associated with this recipe */
259 struct ice_aqc_recipe_data_elem *root_buf;
260 /* This struct saves the fv_words for a given lookup */
261 struct ice_prot_lkup_ext lkup_exts;
264 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */
265 struct ice_vsi_list_map_info {
266 struct list_head list_entry;
267 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
269 /* counter to track how many rules are reusing this VSI list */
273 struct ice_fltr_list_entry {
274 struct list_head list_entry;
276 struct ice_fltr_info fltr_info;
279 /* This defines an entry in the list that maintains MAC or VLAN membership
280 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or
281 * VLAN. As an optimization the VSI list should be created only when a
282 * second VSI becomes a subscriber to the same MAC address. VSI lists are always
283 * used for VLAN membership.
285 struct ice_fltr_mgmt_list_entry {
286 /* back pointer to VSI list ID to VSI list mapping */
287 struct ice_vsi_list_map_info *vsi_list_info;
289 #define ICE_INVAL_LG_ACT_INDEX 0xffff
291 #define ICE_INVAL_SW_MARKER_ID 0xffff
293 struct list_head list_entry;
294 struct ice_fltr_info fltr_info;
295 #define ICE_INVAL_COUNTER_ID 0xff
299 struct ice_adv_fltr_mgmt_list_entry {
300 struct list_head list_entry;
302 struct ice_adv_lkup_elem *lkups;
303 struct ice_adv_rule_info rule_info;
305 struct ice_vsi_list_map_info *vsi_list_info;
309 enum ice_promisc_flags {
310 ICE_PROMISC_UCAST_RX = 0x1,
311 ICE_PROMISC_UCAST_TX = 0x2,
312 ICE_PROMISC_MCAST_RX = 0x4,
313 ICE_PROMISC_MCAST_TX = 0x8,
314 ICE_PROMISC_BCAST_RX = 0x10,
315 ICE_PROMISC_BCAST_TX = 0x20,
316 ICE_PROMISC_VLAN_RX = 0x40,
317 ICE_PROMISC_VLAN_TX = 0x80,
320 /* VSI related commands */
322 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
323 struct ice_sq_cd *cd);
325 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
326 bool keep_vsi_alloc, struct ice_sq_cd *cd);
328 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
329 struct ice_sq_cd *cd);
330 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
331 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
332 void ice_clear_all_vsi_ctx(struct ice_hw *hw);
334 int ice_get_initial_sw_cfg(struct ice_hw *hw);
337 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
340 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
343 /* Switch/bridge related commands */
345 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
346 u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
347 struct ice_rule_query_data *added_entry);
348 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
349 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
350 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
351 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
352 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
353 bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle);
354 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle);
355 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
356 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
357 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);
358 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
360 /* Promisc/defport setup for VSIs */
361 int ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction);
363 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
366 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
369 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
370 bool rm_vlan_promisc);
372 int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle);
374 ice_rem_adv_rule_by_id(struct ice_hw *hw,
375 struct ice_rule_query_data *remove_entry);
377 int ice_init_def_sw_recp(struct ice_hw *hw);
378 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
380 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);
381 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
384 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
385 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd);
387 ice_update_recipe_lkup_idx(struct ice_hw *hw,
388 struct ice_update_recipe_lkup_idx_params *params);
389 void ice_change_proto_id_to_dvm(void);
390 #endif /* _ICE_SWITCH_H_ */