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