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_ONLY BIT(2)
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
25 #define ICE_PROFID_IPV4_PFCP_NODE 79
26 #define ICE_PROFID_IPV6_PFCP_SESSION 82
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))
36 #define DUMMY_ETH_HDR_LEN 16
38 /* VSI context structure for add/get/update/free operations */
44 struct ice_aqc_vsi_props info;
45 struct ice_sched_vsi_info sched;
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];
54 /* Switch recipe ID enum values are specific to hardware */
55 enum ice_sw_lkup_type {
56 ICE_SW_LKUP_ETHERTYPE = 0,
58 ICE_SW_LKUP_MAC_VLAN = 2,
59 ICE_SW_LKUP_PROMISC = 3,
62 ICE_SW_LKUP_ETHERTYPE_MAC = 8,
63 ICE_SW_LKUP_PROMISC_VLAN = 9,
67 /* type of filter src ID */
69 ICE_SRC_ID_UNKNOWN = 0,
75 struct 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 */
84 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
86 enum ice_src_id src_id;
90 u8 mac_addr[ETH_ALEN];
93 u8 mac_addr[ETH_ALEN];
101 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE
102 * if just using ethertype as filter. Set lkup_type as
103 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be
104 * passed in as filter.
108 u8 mac_addr[ETH_ALEN]; /* optional */
110 } l_data; /* Make sure to zero out the memory of l_data before using
111 * it or only set the data associated with lookup match
112 * rest everything should be zero
115 /* Depending on filter action */
117 /* queue ID in case of ICE_FWD_TO_Q and starting
118 * queue ID in case of ICE_FWD_TO_QGRP.
128 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field
129 * 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.
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 */
139 struct ice_update_recipe_lkup_idx_params {
148 struct ice_adv_lkup_elem {
149 enum ice_protocol_type type;
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)];
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)];
162 struct ice_sw_act_ctrl {
163 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */
166 enum ice_sw_fwd_act_type fltr_act;
167 /* Depending on filter action */
169 /* This is a queue ID in case of ICE_FWD_TO_Q and starting
170 * queue ID in case of ICE_FWD_TO_QGRP.
177 /* software VSI handle */
182 struct ice_rule_query_data {
183 /* Recipe ID for which the requested rule was added */
185 /* Rule ID that was added or is supposed to be removed */
187 /* vsi_handle for which Rule was added or is supposed to be removed */
191 /* This structure allows to pass info about lb_en and lan_en
192 * flags to ice_add_adv_rule. Values in act would be used
193 * only if act_valid was set to true, otherwise default
194 * values would be used.
196 struct ice_adv_rule_flags_info {
198 u8 act_valid; /* indicate if flags in act are valid */
201 struct ice_adv_rule_info {
202 /* Store metadata values in rule info */
203 enum ice_sw_tunnel_type tun_type;
210 struct ice_sw_act_ctrl sw_act;
211 struct ice_adv_rule_flags_info flags_info;
214 /* A collection of one or more four word recipe */
215 struct ice_sw_recipe {
216 /* For a chained recipe the root recipe is what should be used for
222 /* Number of extraction words */
224 /* Protocol ID and Offset pair (extraction word) to describe the
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];
232 /* Bit map specifying the IDs associated with this group of recipe */
233 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
235 enum ice_sw_tunnel_type tun_type;
237 /* List of type ice_fltr_mgmt_list_entry or adv_rule */
239 struct list_head filt_rules;
240 struct list_head filt_replay_rules;
242 struct mutex filt_rule_lock; /* protect filter rule structure */
244 /* Profiles this recipe should be associated with */
245 struct list_head fv_list;
247 /* Profiles this recipe is associated with */
248 u8 num_profs, *prof_ids;
250 /* Bit map for possible result indexes */
251 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS);
253 /* This allows user to specify the recipe priority.
254 * For now, this becomes 'fwd_priority' when recipe
255 * is created, usually recipes can have 'fwd' and 'join'
263 /* This struct saves the fv_words for a given lookup */
264 struct ice_prot_lkup_ext lkup_exts;
267 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */
268 struct ice_vsi_list_map_info {
269 struct list_head list_entry;
270 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI);
272 /* counter to track how many rules are reusing this VSI list */
276 struct ice_fltr_list_entry {
277 struct list_head list_entry;
279 struct ice_fltr_info fltr_info;
282 /* This defines an entry in the list that maintains MAC or VLAN membership
283 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or
284 * VLAN. As an optimization the VSI list should be created only when a
285 * second VSI becomes a subscriber to the same MAC address. VSI lists are always
286 * used for VLAN membership.
288 struct 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;
292 #define ICE_INVAL_LG_ACT_INDEX 0xffff
294 #define ICE_INVAL_SW_MARKER_ID 0xffff
296 struct list_head list_entry;
297 struct ice_fltr_info fltr_info;
298 #define ICE_INVAL_COUNTER_ID 0xff
302 struct ice_adv_fltr_mgmt_list_entry {
303 struct list_head list_entry;
305 struct ice_adv_lkup_elem *lkups;
306 struct ice_adv_rule_info rule_info;
308 struct ice_vsi_list_map_info *vsi_list_info;
312 enum 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,
323 /* VSI related commands */
325 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
326 struct ice_sq_cd *cd);
328 ice_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);
331 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
332 struct ice_sq_cd *cd);
333 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
334 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
335 void ice_clear_all_vsi_ctx(struct ice_hw *hw);
337 int ice_get_initial_sw_cfg(struct ice_hw *hw);
340 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
343 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
345 int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id);
347 /* Switch/bridge related commands */
348 void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup);
349 void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup);
350 void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup);
351 void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup);
353 ice_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);
356 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
357 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
358 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list);
359 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
360 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst);
361 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle);
362 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
363 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
364 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);
365 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
367 /* Promisc/defport setup for VSIs */
369 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
372 ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
376 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
379 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
382 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
383 bool rm_vlan_promisc);
386 ice_rem_adv_rule_by_id(struct ice_hw *hw,
387 struct ice_rule_query_data *remove_entry);
389 int ice_init_def_sw_recp(struct ice_hw *hw);
390 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle);
392 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle);
393 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw);
394 void ice_fill_eth_hdr(u8 *eth_hdr);
397 ice_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);
400 ice_update_recipe_lkup_idx(struct ice_hw *hw,
401 struct ice_update_recipe_lkup_idx_params *params);
402 void ice_change_proto_id_to_dvm(void);
403 struct ice_vsi_list_map_info *
404 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
406 int ice_alloc_recipe(struct ice_hw *hw, u16 *rid);
407 int 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);
410 int 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);
414 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc,
415 struct ice_sq_cd *cd);
417 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc,
418 struct ice_sq_cd *cd);
419 void ice_init_chk_recipe_reuse_support(struct ice_hw *hw);
421 #endif /* _ICE_SWITCH_H_ */