1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright (c) 2021, Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the Intel Corporation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
33 #ifndef _ICE_SWITCH_H_
34 #define _ICE_SWITCH_H_
36 #include "ice_common.h"
37 #include "ice_protocol_type.h"
39 #define ICE_SW_CFG_MAX_BUF_LEN 2048
40 #define ICE_MAX_SW 256
41 #define ICE_DFLT_VSI_INVAL 0xff
42 #define ICE_FLTR_RX BIT(0)
43 #define ICE_FLTR_TX BIT(1)
44 #define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
46 #define DUMMY_ETH_HDR_LEN 16
47 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \
48 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr) + \
49 (DUMMY_ETH_HDR_LEN * \
50 sizeof(((struct ice_sw_rule_lkup_rx_tx *)0)->hdr[0])))
51 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \
52 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr))
53 #define ICE_SW_RULE_LG_ACT_SIZE(n) \
54 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lg_act.act) + \
55 ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act[0])))
56 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \
57 (offsetof(struct ice_aqc_sw_rules_elem, pdata.vsi_list.vsi) + \
58 ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi[0])))
60 /* Worst case buffer length for ice_aqc_opc_get_res_alloc */
61 #define ICE_MAX_RES_TYPES 0x80
62 #define ICE_AQ_GET_RES_ALLOC_BUF_LEN \
63 (ICE_MAX_RES_TYPES * sizeof(struct ice_aqc_get_res_resp_elem))
65 #define ICE_VSI_INVAL_ID 0xFFFF
66 #define ICE_INVAL_Q_HANDLE 0xFFFF
68 /* VSI context structure for add/get/update/free operations */
74 struct ice_aqc_vsi_props info;
75 struct ice_sched_vsi_info sched;
78 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];
79 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];
82 /* This is to be used by add/update mirror rule Admin Queue command */
83 struct ice_mir_rule_buf {
84 u16 vsi_idx; /* VSI index */
86 /* For each VSI, user can specify whether corresponding VSI
87 * should be added/removed to/from mirror rule
89 * add mirror rule: this should always be TRUE.
90 * update mirror rule: add(true) or remove(false) VSI to/from
96 /* Switch recipe ID enum values are specific to hardware */
97 enum ice_sw_lkup_type {
98 ICE_SW_LKUP_ETHERTYPE = 0,
100 ICE_SW_LKUP_MAC_VLAN = 2,
101 ICE_SW_LKUP_PROMISC = 3,
102 ICE_SW_LKUP_VLAN = 4,
103 ICE_SW_LKUP_DFLT = 5,
104 ICE_SW_LKUP_ETHERTYPE_MAC = 8,
105 ICE_SW_LKUP_PROMISC_VLAN = 9,
109 /* type of filter src ID */
111 ICE_SRC_ID_UNKNOWN = 0,
117 struct ice_fltr_info {
118 /* Look up information: how to look up packet */
119 enum ice_sw_lkup_type lkup_type;
120 /* Forward action: filter action to do after lookup */
121 enum ice_sw_fwd_act_type fltr_act;
122 /* rule ID returned by firmware once filter rule is created */
126 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
128 enum ice_src_id src_id;
132 u8 mac_addr[ETH_ALEN];
135 u8 mac_addr[ETH_ALEN];
143 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
144 * if just using ethertype as filter. Set lkup_type as
145 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
146 * passed in as filter.
150 u8 mac_addr[ETH_ALEN]; /* optional */
152 } l_data; /* Make sure to zero out the memory of l_data before using
153 * it or only set the data associated with lookup match
154 * rest everything should be zero
157 /* Depending on filter action */
159 /* queue ID in case of ICE_FWD_TO_Q and starting
160 * queue ID in case of ICE_FWD_TO_QGRP.
170 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
171 * determines the range of queues the packet needs to be forwarded to.
172 * Note that qgrp_size must be set to a power of 2.
176 /* Rule creations populate these indicators basing on the switch type */
177 u8 lb_en; /* Indicate if packet can be looped back */
178 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */
181 struct ice_adv_lkup_elem {
182 enum ice_protocol_type type;
183 union ice_prot_hdr h_u; /* Header values */
184 union ice_prot_hdr m_u; /* Mask of header values to match */
187 struct ice_sw_act_ctrl {
188 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
191 enum ice_sw_fwd_act_type fltr_act;
192 /* Depending on filter action */
194 /* This is a queue ID in case of ICE_FWD_TO_Q and starting
195 * queue ID in case of ICE_FWD_TO_QGRP.
202 /* software VSI handle */
207 struct ice_rule_query_data {
208 /* Recipe ID for which the requested rule was added */
210 /* Rule ID that was added or is supposed to be removed */
212 /* vsi_handle for which Rule was added or is supposed to be removed */
217 * This structure allows to pass info about lb_en and lan_en
218 * flags to ice_add_adv_rule. Values in act would be used
219 * only if act_valid was set to true, otherwise dflt
220 * values would be used.
222 struct ice_adv_rule_flags_info {
224 u8 act_valid; /* indicate if flags in act are valid */
227 struct ice_adv_rule_info {
228 enum ice_sw_tunnel_type tun_type;
229 struct ice_sw_act_ctrl sw_act;
231 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */
233 struct ice_adv_rule_flags_info flags_info;
236 /* A collection of one or more four word recipe */
237 struct ice_sw_recipe {
238 /* For a chained recipe the root recipe is what should be used for
245 /* Number of extraction words */
247 /* Protocol ID and Offset pair (extraction word) to describe the
250 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS];
251 u16 word_masks[ICE_MAX_CHAIN_WORDS];
253 /* if this recipe is a collection of other recipe */
256 /* if this recipe is part of another bigger recipe then chain index
257 * corresponding to this recipe
261 /* if this recipe is a collection of other recipe then count of other
262 * recipes and recipe IDs of those recipes
266 /* Bit map specifying the IDs associated with this group of recipe */
267 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
269 enum ice_sw_tunnel_type tun_type;
271 /* List of type ice_fltr_mgmt_list_entry or adv_rule */
273 struct LIST_HEAD_TYPE filt_rules;
274 struct LIST_HEAD_TYPE filt_replay_rules;
276 struct ice_lock filt_rule_lock; /* protect filter rule structure */
278 /* Profiles this recipe should be associated with */
279 struct LIST_HEAD_TYPE fv_list;
281 /* Profiles this recipe is associated with */
282 u8 num_profs, *prof_ids;
284 /* Bit map for possible result indexes */
285 ice_declare_bitmap(res_idxs, ICE_MAX_FV_WORDS);
287 /* This allows user to specify the recipe priority.
288 * For now, this becomes 'fwd_priority' when recipe
289 * is created, usually recipes can have 'fwd' and 'join'
294 struct LIST_HEAD_TYPE rg_list;
296 /* AQ buffer associated with this recipe */
297 struct ice_aqc_recipe_data_elem *root_buf;
298 /* This struct saves the fv_words for a given lookup */
299 struct ice_prot_lkup_ext lkup_exts;
302 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */
303 struct ice_vsi_list_map_info {
304 struct LIST_ENTRY_TYPE list_entry;
305 ice_declare_bitmap(vsi_map, ICE_MAX_VSI);
307 /* counter to track how many rules are reusing this VSI list */
311 struct ice_fltr_list_entry {
312 struct LIST_ENTRY_TYPE list_entry;
313 enum ice_status status;
314 struct ice_fltr_info fltr_info;
318 * enum ice_fltr_marker - Marker for syncing OS and driver filter lists
319 * @ICE_FLTR_NOT_FOUND: initial state, indicates filter has not been found
320 * @ICE_FLTR_FOUND: set when a filter has been found in both lists
322 * This enumeration is used to help sync an operating system provided filter
323 * list with the filters previously added.
325 * This is required for FreeBSD because the operating system does not provide
326 * individual indications of whether a filter has been added or deleted, but
327 * instead just notifies the driver with the entire new list.
329 * To use this marker state, the driver shall initially reset all filters to
330 * the ICE_FLTR_NOT_FOUND state. Then, for each filter in the OS list, it
331 * shall search the driver list for the filter. If found, the filter state
332 * will be set to ICE_FLTR_FOUND. If not found, that filter will be added.
333 * Finally, the driver shall search the internal filter list for all filters
334 * still marked as ICE_FLTR_NOT_FOUND and remove them.
336 enum ice_fltr_marker {
341 /* This defines an entry in the list that maintains MAC or VLAN membership
342 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or
343 * VLAN. As an optimization the VSI list should be created only when a
344 * second VSI becomes a subscriber to the same MAC address. VSI lists are always
345 * used for VLAN membership.
347 struct ice_fltr_mgmt_list_entry {
348 /* back pointer to VSI list ID to VSI list mapping */
349 struct ice_vsi_list_map_info *vsi_list_info;
351 #define ICE_INVAL_LG_ACT_INDEX 0xffff
353 #define ICE_INVAL_SW_MARKER_ID 0xffff
355 struct LIST_ENTRY_TYPE list_entry;
356 struct ice_fltr_info fltr_info;
357 #define ICE_INVAL_COUNTER_ID 0xff
359 enum ice_fltr_marker marker;
362 struct ice_adv_fltr_mgmt_list_entry {
363 struct LIST_ENTRY_TYPE list_entry;
365 struct ice_adv_lkup_elem *lkups;
366 struct ice_adv_rule_info rule_info;
368 struct ice_vsi_list_map_info *vsi_list_info;
372 enum ice_promisc_flags {
373 ICE_PROMISC_UCAST_RX = 0x1,
374 ICE_PROMISC_UCAST_TX = 0x2,
375 ICE_PROMISC_MCAST_RX = 0x4,
376 ICE_PROMISC_MCAST_TX = 0x8,
377 ICE_PROMISC_BCAST_RX = 0x10,
378 ICE_PROMISC_BCAST_TX = 0x20,
379 ICE_PROMISC_VLAN_RX = 0x40,
380 ICE_PROMISC_VLAN_TX = 0x80,
383 /* VSI related commands */
385 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
386 struct ice_sq_cd *cd);
388 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
389 bool keep_vsi_alloc, struct ice_sq_cd *cd);
391 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
392 struct ice_sq_cd *cd);
394 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
395 struct ice_sq_cd *cd);
397 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
398 bool keep_vsi_alloc, struct ice_sq_cd *cd);
400 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
401 struct ice_sq_cd *cd);
402 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
403 void ice_clear_all_vsi_ctx(struct ice_hw *hw);
405 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
406 struct ice_sq_cd *cd);
408 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
409 u16 count, struct ice_mir_rule_buf *mr_buf,
410 struct ice_sq_cd *cd, u16 *rule_id);
412 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
413 struct ice_sq_cd *cd);
415 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
418 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
421 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw);
424 ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id);
426 ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id);
428 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
429 enum ice_status ice_alloc_rss_global_lut(struct ice_hw *hw, bool shared_res, u16 *global_lut_id);
430 enum ice_status ice_free_rss_global_lut(struct ice_hw *hw, u16 global_lut_id);
432 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id,
435 ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id);
437 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries,
438 struct ice_aqc_get_res_resp_elem *buf, u16 buf_size,
439 struct ice_sq_cd *cd);
441 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
442 struct ice_aqc_res_elem *buf, u16 buf_size, u16 res_type,
443 bool res_shared, u16 *desc_id, struct ice_sq_cd *cd);
445 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list);
447 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list);
448 void ice_rem_all_sw_rules_info(struct ice_hw *hw);
449 enum ice_status ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst);
450 enum ice_status ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst);
452 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list);
454 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list);
457 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
460 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info);
461 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
463 /* Promisc/defport setup for VSIs */
465 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
468 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
471 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
474 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
475 bool rm_vlan_promisc);
477 /* Get VSIs Promisc/defport settings */
479 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
482 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
485 enum ice_status ice_replay_all_fltr(struct ice_hw *hw);
488 ice_init_def_sw_recp(struct ice_hw *hw, struct ice_sw_recipe **recp_list);
489 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
490 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
493 ice_replay_vsi_all_fltr(struct ice_hw *hw, struct ice_port_info *pi,
495 void ice_rm_sw_replay_rule_info(struct ice_hw *hw, struct ice_switch_info *sw);
496 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
497 #endif /* _ICE_SWITCH_H_ */