net/bnxt: support VXLAN decap offload
[dpdk.git] / drivers / net / bnxt / tf_ulp / bnxt_ulp.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2019-2020 Broadcom
3  * All rights reserved.
4  */
5
6 #ifndef _BNXT_ULP_H_
7 #define _BNXT_ULP_H_
8
9 #include <inttypes.h>
10 #include <stdbool.h>
11 #include <sys/queue.h>
12
13 #include "rte_ethdev.h"
14
15 #include "ulp_template_db_enum.h"
16 #include "ulp_tun.h"
17 #include "bnxt_tf_common.h"
18
19 /* NAT defines to reuse existing inner L2 SMAC and DMAC */
20 #define BNXT_ULP_NAT_INNER_L2_HEADER_SMAC       0x2000
21 #define BNXT_ULP_NAT_OUTER_MOST_L2_HDR_SMAC     0x6000
22 #define BNXT_ULP_NAT_OUTER_MOST_L2_VLAN_TAGS    0xc00
23 #define BNXT_ULP_NAT_INNER_L2_HEADER_DMAC       0x100
24 #define BNXT_ULP_NAT_OUTER_MOST_L2_HDR_DMAC     0x300
25 #define BNXT_ULP_NAT_OUTER_MOST_FLAGS (BNXT_ULP_NAT_OUTER_MOST_L2_HDR_SMAC |\
26                                         BNXT_ULP_NAT_OUTER_MOST_L2_VLAN_TAGS |\
27                                         BNXT_ULP_NAT_OUTER_MOST_L2_HDR_DMAC)
28
29 /* defines for the ulp_flags */
30 #define BNXT_ULP_VF_REP_ENABLED         0x1
31 #define ULP_VF_REP_IS_ENABLED(flag)     ((flag) & BNXT_ULP_VF_REP_ENABLED)
32
33 struct bnxt_ulp_df_rule_info {
34         uint32_t                        port_to_app_flow_id;
35         uint32_t                        app_to_port_flow_id;
36         uint8_t                         valid;
37 };
38
39 struct bnxt_ulp_vfr_rule_info {
40         uint32_t                        rep2vf_flow_id;
41         uint32_t                        vf2rep_flow_id;
42         uint16_t                        parent_port_id;
43         uint8_t                         valid;
44 };
45
46 struct bnxt_ulp_data {
47         uint32_t                        tbl_scope_id;
48         struct bnxt_ulp_mark_tbl        *mark_tbl;
49         uint32_t                        dev_id; /* Hardware device id */
50         uint32_t                        ref_cnt;
51         struct bnxt_ulp_flow_db         *flow_db;
52         pthread_mutex_t                 flow_db_lock;
53         void                            *mapper_data;
54         struct bnxt_ulp_port_db         *port_db;
55         struct bnxt_ulp_fc_info         *fc_info;
56         uint32_t                        ulp_flags;
57         struct bnxt_ulp_df_rule_info    df_rule_info[RTE_MAX_ETHPORTS];
58         struct bnxt_ulp_vfr_rule_info   vfr_rule_info[RTE_MAX_ETHPORTS];
59         enum bnxt_ulp_flow_mem_type     mem_type;
60 #define BNXT_ULP_TUN_ENTRY_INVALID      -1
61 #define BNXT_ULP_MAX_TUN_CACHE_ENTRIES  16
62         struct bnxt_tun_cache_entry     tun_tbl[BNXT_ULP_MAX_TUN_CACHE_ENTRIES];
63 };
64
65 struct bnxt_ulp_context {
66         struct bnxt_ulp_data    *cfg_data;
67         struct tf               *g_tfp;
68 };
69
70 struct bnxt_ulp_pci_info {
71         uint32_t        domain;
72         uint8_t         bus;
73 };
74
75 struct bnxt_ulp_session_state {
76         STAILQ_ENTRY(bnxt_ulp_session_state)    next;
77         bool                                    bnxt_ulp_init;
78         pthread_mutex_t                         bnxt_ulp_mutex;
79         struct bnxt_ulp_pci_info                pci_info;
80         struct bnxt_ulp_data                    *cfg_data;
81         struct tf                               *g_tfp;
82         uint32_t                                session_opened;
83 };
84
85 /* ULP flow id structure */
86 struct rte_tf_flow {
87         uint32_t        flow_id;
88 };
89
90 struct ulp_tlv_param {
91         enum bnxt_ulp_df_param_type type;
92         uint32_t length;
93         uint8_t value[16];
94 };
95
96 /*
97  * Allow the deletion of context only for the bnxt device that
98  * created the session
99  */
100 bool
101 ulp_ctx_deinit_allowed(struct bnxt_ulp_context *ulp_ctx);
102
103 /* Function to set the device id of the hardware. */
104 int32_t
105 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx, uint32_t dev_id);
106
107 /* Function to get the device id of the hardware. */
108 int32_t
109 bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx, uint32_t *dev_id);
110
111 /* Function to get whether or not ext mem is used for EM */
112 int32_t
113 bnxt_ulp_cntxt_mem_type_get(struct bnxt_ulp_context *ulp_ctx,
114                             enum bnxt_ulp_flow_mem_type *mem_type);
115
116 /* Function to set whether or not ext mem is used for EM */
117 int32_t
118 bnxt_ulp_cntxt_mem_type_set(struct bnxt_ulp_context *ulp_ctx,
119                             enum bnxt_ulp_flow_mem_type mem_type);
120
121 /* Function to set the table scope id of the EEM table. */
122 int32_t
123 bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
124                                 uint32_t tbl_scope_id);
125
126 /* Function to get the table scope id of the EEM table. */
127 int32_t
128 bnxt_ulp_cntxt_tbl_scope_id_get(struct bnxt_ulp_context *ulp_ctx,
129                                 uint32_t *tbl_scope_id);
130
131 /* Function to set the tfp session details in the ulp context. */
132 int32_t
133 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp);
134
135 /* Function to get the tfp session details from ulp context. */
136 struct tf *
137 bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp);
138
139 /* Get the device table entry based on the device id. */
140 struct bnxt_ulp_device_params *
141 bnxt_ulp_device_params_get(uint32_t dev_id);
142
143 int32_t
144 bnxt_ulp_ctxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
145                                struct bnxt_ulp_mark_tbl *mark_tbl);
146
147 struct bnxt_ulp_mark_tbl *
148 bnxt_ulp_ctxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx);
149
150 /* Function to set the flow database to the ulp context. */
151 int32_t
152 bnxt_ulp_cntxt_ptr2_flow_db_set(struct bnxt_ulp_context *ulp_ctx,
153                                 struct bnxt_ulp_flow_db *flow_db);
154
155 /* Function to get the flow database from the ulp context. */
156 struct bnxt_ulp_flow_db *
157 bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context *ulp_ctx);
158
159 /* Function to get the tunnel cache table info from the ulp context. */
160 struct bnxt_tun_cache_entry *
161 bnxt_ulp_cntxt_ptr2_tun_tbl_get(struct bnxt_ulp_context *ulp_ctx);
162
163 /* Function to get the ulp context from eth device. */
164 struct bnxt_ulp_context *
165 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev *dev);
166
167 /* Function to add the ulp mapper data to the ulp context */
168 int32_t
169 bnxt_ulp_cntxt_ptr2_mapper_data_set(struct bnxt_ulp_context *ulp_ctx,
170                                     void *mapper_data);
171
172 /* Function to get the ulp mapper data from the ulp context */
173 void *
174 bnxt_ulp_cntxt_ptr2_mapper_data_get(struct bnxt_ulp_context *ulp_ctx);
175
176 /* Function to set the port database to the ulp context. */
177 int32_t
178 bnxt_ulp_cntxt_ptr2_port_db_set(struct bnxt_ulp_context *ulp_ctx,
179                                 struct bnxt_ulp_port_db *port_db);
180
181 /* Function to get the port database from the ulp context. */
182 struct bnxt_ulp_port_db *
183 bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context *ulp_ctx);
184
185 /* Function to create default flows. */
186 int32_t
187 ulp_default_flow_create(struct rte_eth_dev *eth_dev,
188                         struct ulp_tlv_param *param_list,
189                         uint32_t ulp_class_tid,
190                         uint32_t *flow_id);
191
192 /* Function to destroy default flows. */
193 int32_t
194 ulp_default_flow_destroy(struct rte_eth_dev *eth_dev,
195                          uint32_t flow_id);
196
197 int
198 bnxt_ulp_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
199                       struct rte_flow_error *error);
200
201 int32_t
202 bnxt_ulp_cntxt_ptr2_fc_info_set(struct bnxt_ulp_context *ulp_ctx,
203                                 struct bnxt_ulp_fc_info *ulp_fc_info);
204
205 struct bnxt_ulp_fc_info *
206 bnxt_ulp_cntxt_ptr2_fc_info_get(struct bnxt_ulp_context *ulp_ctx);
207
208 int32_t
209 bnxt_ulp_cntxt_ptr2_ulp_flags_get(struct bnxt_ulp_context *ulp_ctx,
210                                   uint32_t *flags);
211
212 int32_t
213 bnxt_ulp_get_df_rule_info(uint8_t port_id, struct bnxt_ulp_context *ulp_ctx,
214                           struct bnxt_ulp_df_rule_info *info);
215
216 struct bnxt_ulp_vfr_rule_info*
217 bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(struct bnxt_ulp_context *ulp_ctx,
218                                      uint32_t port_id);
219
220 int32_t
221 bnxt_ulp_cntxt_acquire_fdb_lock(struct bnxt_ulp_context *ulp_ctx);
222
223 void
224 bnxt_ulp_cntxt_release_fdb_lock(struct bnxt_ulp_context *ulp_ctx);
225
226 int32_t
227 ulp_post_process_tun_flow(struct ulp_rte_parser_params *params);
228
229 #endif /* _BNXT_ULP_H_ */