xref: /dpdk/drivers/net/bnxt/tf_ulp/ulp_mapper.h (revision f63aa27d)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2014-2021 Broadcom
3  * All rights reserved.
4  */
5 
6 #ifndef _ULP_MAPPER_H_
7 #define _ULP_MAPPER_H_
8 
9 #include <rte_log.h>
10 #include <rte_flow.h>
11 #include <rte_flow_driver.h>
12 #include "tf_core.h"
13 #include "ulp_template_db_enum.h"
14 #include "ulp_template_struct.h"
15 #include "bnxt_ulp.h"
16 #include "ulp_utils.h"
17 #include "ulp_gen_tbl.h"
18 
19 #define ULP_IDENTS_INVALID ((uint16_t)0xffff)
20 
21 struct bnxt_ulp_mapper_glb_resource_entry {
22 	enum bnxt_ulp_resource_func	resource_func;
23 	uint32_t			resource_type; /* TF_ enum type */
24 	uint64_t			resource_hndl;
25 	bool				shared;
26 };
27 
28 struct bnxt_ulp_mapper_data {
29 	struct bnxt_ulp_mapper_glb_resource_entry
30 		glb_res_tbl[TF_DIR_MAX][BNXT_ULP_GLB_RF_IDX_LAST];
31 	struct ulp_mapper_gen_tbl_list gen_tbl_list[BNXT_ULP_GEN_TBL_MAX_SZ];
32 };
33 
34 /* Internal Structure for passing the arguments around */
35 struct bnxt_ulp_mapper_parms {
36 	enum bnxt_ulp_template_type		tmpl_type;
37 	uint32_t				dev_id;
38 	uint32_t				act_tid;
39 	struct bnxt_ulp_mapper_tbl_info		*atbls; /* action table */
40 	uint32_t				num_atbls;
41 	uint32_t				class_tid;
42 	struct bnxt_ulp_mapper_tbl_info		*ctbls; /* class table */
43 	uint32_t				num_ctbls;
44 	struct ulp_rte_act_prop			*act_prop;
45 	struct ulp_rte_act_bitmap		*act_bitmap;
46 	struct ulp_rte_hdr_bitmap		*hdr_bitmap;
47 	struct ulp_rte_hdr_bitmap		*enc_hdr_bitmap;
48 	struct ulp_rte_hdr_field		*hdr_field;
49 	struct ulp_rte_hdr_field		*enc_field;
50 	struct ulp_rte_field_bitmap		*fld_bitmap;
51 	uint64_t				*comp_fld;
52 	struct ulp_regfile			*regfile;
53 	struct bnxt_ulp_context			*ulp_ctx;
54 	uint32_t				fid;
55 	enum bnxt_ulp_fdb_type			flow_type;
56 	struct bnxt_ulp_mapper_data		*mapper_data;
57 	struct bnxt_ulp_device_params		*device_params;
58 	uint32_t				child_flow;
59 	uint32_t				parent_flow;
60 	uint8_t					tun_idx;
61 	uint32_t				app_priority;
62 	uint64_t				shared_hndl;
63 	uint32_t				flow_pattern_id;
64 	uint32_t				act_pattern_id;
65 	uint8_t					app_id;
66 	uint16_t				port_id;
67 };
68 
69 struct bnxt_ulp_mapper_create_parms {
70 	uint32_t			app_priority;
71 	struct ulp_rte_hdr_bitmap	*hdr_bitmap;
72 	struct ulp_rte_hdr_bitmap	*enc_hdr_bitmap;
73 	struct ulp_rte_hdr_field	*hdr_field;
74 	struct ulp_rte_hdr_field	*enc_field;
75 	uint64_t			*comp_fld;
76 	struct ulp_rte_act_bitmap	*act;
77 	struct ulp_rte_act_prop		*act_prop;
78 	struct ulp_rte_field_bitmap	*fld_bitmap;
79 	uint32_t			class_tid;
80 	uint32_t			act_tid;
81 	uint16_t			func_id;
82 	uint32_t			dir_attr;
83 	enum bnxt_ulp_fdb_type		flow_type;
84 
85 	uint32_t			flow_id;
86 	/* if set then create it as a child flow */
87 	uint32_t			child_flow;
88 	/* if set then create a parent flow */
89 	uint32_t			parent_flow;
90 	uint8_t				tun_idx;
91 	uint64_t			shared_hndl;
92 
93 	/* support pattern based rejection */
94 	uint32_t			flow_pattern_id;
95 	uint32_t			act_pattern_id;
96 	uint8_t				app_id;
97 	uint16_t			port_id;
98 };
99 
100 /* Function to initialize any dynamic mapper data. */
101 int32_t
102 ulp_mapper_init(struct bnxt_ulp_context	*ulp_ctx);
103 
104 /* Function to release all dynamic mapper data. */
105 void
106 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx);
107 
108 /*
109  * Function to handle the mapping of the Flow to be compatible
110  * with the underlying hardware.
111  */
112 int32_t
113 ulp_mapper_flow_create(struct bnxt_ulp_context	*ulp_ctx,
114 		       struct bnxt_ulp_mapper_create_parms *parms);
115 
116 /* Function that frees all resources associated with the flow. */
117 int32_t
118 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx,
119 			enum bnxt_ulp_fdb_type flow_type,
120 			uint32_t fid);
121 
122 /*
123  * Function that frees all resources and can be called on default or regular
124  * flows
125  */
126 int32_t
127 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
128 			  enum bnxt_ulp_fdb_type flow_type,
129 			  uint32_t fid);
130 
131 int32_t
132 ulp_mapper_get_shared_fid(struct bnxt_ulp_context *ulp,
133 			  uint32_t id,
134 			  uint16_t key,
135 			  uint32_t *fid);
136 
137 #endif /* _ULP_MAPPER_H_ */
138