1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2020 Broadcom
6 #include <rte_common.h>
7 #include <rte_malloc.h>
11 #include "tf_ext_flow_handle.h"
12 #include "ulp_mark_mgr.h"
13 #include "bnxt_tf_common.h"
14 #include "ulp_template_db.h"
15 #include "ulp_template_struct.h"
17 #define ULP_MARK_DB_ENTRY_SET_VALID(mark_info) ((mark_info)->flags |=\
19 #define ULP_MARK_DB_ENTRY_IS_INVALID(mark_info) (!((mark_info)->flags &\
21 #define ULP_MARK_DB_ENTRY_IS_GLOBAL_HW_FID(mark_info) ((mark_info)->flags &\
22 BNXT_ULP_MARK_GLOBAL_HW_FID)
24 static inline uint32_t
25 ulp_mark_db_idx_get(bool is_gfid, uint32_t fid, struct bnxt_ulp_mark_tbl *mtbl)
27 uint32_t idx = 0, hashtype = 0;
30 TF_GET_HASH_TYPE_FROM_GFID(fid, hashtype);
31 TF_GET_HASH_INDEX_FROM_GFID(fid, idx);
33 /* Need to truncate anything beyond supported flows */
34 idx &= mtbl->gfid_mask;
36 idx |= mtbl->gfid_type_bit;
44 * Allocate and Initialize all Mark Manager resources for this ulp context.
46 * ctxt [in] The ulp context for the mark manager.
50 ulp_mark_db_init(struct bnxt_ulp_context *ctxt)
52 struct bnxt_ulp_device_params *dparms;
53 struct bnxt_ulp_mark_tbl *mark_tbl = NULL;
57 BNXT_TF_DBG(DEBUG, "Invalid ULP CTXT\n");
61 if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
62 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
66 dparms = bnxt_ulp_device_params_get(dev_id);
68 BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
72 mark_tbl = rte_zmalloc("ulp_rx_mark_tbl_ptr",
73 sizeof(struct bnxt_ulp_mark_tbl), 0);
77 /* Need to allocate 2 * Num flows to account for hash type bit.*/
78 mark_tbl->lfid_num_entries = dparms->lfid_entries;
79 mark_tbl->lfid_tbl = rte_zmalloc("ulp_rx_em_flow_mark_table",
80 mark_tbl->lfid_num_entries *
81 sizeof(struct bnxt_lfid_mark_info),
83 if (!mark_tbl->lfid_tbl)
86 /* Need to allocate 2 * Num flows to account for hash type bit */
87 mark_tbl->gfid_num_entries = dparms->gfid_entries;
88 mark_tbl->gfid_tbl = rte_zmalloc("ulp_rx_eem_flow_mark_table",
89 mark_tbl->gfid_num_entries *
90 sizeof(struct bnxt_gfid_mark_info),
92 if (!mark_tbl->gfid_tbl)
96 * These values are used to compress the FID to the allowable index
97 * space. The FID from hw may be the full hash which may be a big
98 * value to allocate and so allocate only needed hash values.
99 * gfid mask is the number of flow entries for the each left/right
100 * hash The gfid type bit is used to get to the higher or lower hash
103 mark_tbl->gfid_mask = (mark_tbl->gfid_num_entries / 2) - 1;
104 mark_tbl->gfid_type_bit = (mark_tbl->gfid_num_entries / 2);
106 BNXT_TF_DBG(DEBUG, "GFID Max = 0x%08x\nGFID MASK = 0x%08x\n",
107 mark_tbl->gfid_num_entries - 1,
108 mark_tbl->gfid_mask);
110 /* Add the mark tbl to the ulp context. */
111 bnxt_ulp_cntxt_ptr2_mark_db_set(ctxt, mark_tbl);
115 rte_free(mark_tbl->gfid_tbl);
116 rte_free(mark_tbl->lfid_tbl);
118 BNXT_TF_DBG(DEBUG, "Failed to allocate memory for mark mgr\n");
123 * Release all resources in the Mark Manager for this ulp context
125 * ctxt [in] The ulp context for the mark manager
129 ulp_mark_db_deinit(struct bnxt_ulp_context *ctxt)
131 struct bnxt_ulp_mark_tbl *mtbl;
133 mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
136 rte_free(mtbl->gfid_tbl);
137 rte_free(mtbl->lfid_tbl);
140 /* Safe to ignore on deinit */
141 (void)bnxt_ulp_cntxt_ptr2_mark_db_set(ctxt, NULL);
148 * Get a Mark from the Mark Manager
150 * ctxt [in] The ulp context for the mark manager
152 * is_gfid [in] The type of fid (GFID or LFID)
154 * fid [in] The flow id that is returned by HW in BD
156 * mark [out] The mark that is associated with the FID
160 ulp_mark_db_mark_get(struct bnxt_ulp_context *ctxt,
165 struct bnxt_ulp_mark_tbl *mtbl;
171 mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
173 BNXT_TF_DBG(ERR, "Unable to get Mark Table\n");
177 idx = ulp_mark_db_idx_get(is_gfid, fid, mtbl);
180 if (idx >= mtbl->gfid_num_entries ||
181 ULP_MARK_DB_ENTRY_IS_INVALID(&mtbl->gfid_tbl[idx]))
184 BNXT_TF_DBG(DEBUG, "Get GFID[0x%0x] = 0x%0x\n",
185 idx, mtbl->gfid_tbl[idx].mark_id);
187 *mark = mtbl->gfid_tbl[idx].mark_id;
189 if (idx >= mtbl->lfid_num_entries ||
190 ULP_MARK_DB_ENTRY_IS_INVALID(&mtbl->lfid_tbl[idx]))
193 BNXT_TF_DBG(DEBUG, "Get LFID[0x%0x] = 0x%0x\n",
194 idx, mtbl->lfid_tbl[idx].mark_id);
196 *mark = mtbl->lfid_tbl[idx].mark_id;
203 * Adds a Mark to the Mark Manager
205 * ctxt [in] The ulp context for the mark manager
207 * mark_flag [in] mark flags.
209 * fid [in] The flow id that is returned by HW in BD
211 * mark [in] The mark to be associated with the FID
215 ulp_mark_db_mark_add(struct bnxt_ulp_context *ctxt,
220 struct bnxt_ulp_mark_tbl *mtbl;
225 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
229 mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
231 BNXT_TF_DBG(ERR, "Unable to get Mark DB\n");
235 is_gfid = (mark_flag & BNXT_ULP_MARK_GLOBAL_HW_FID);
237 idx = ulp_mark_db_idx_get(is_gfid, fid, mtbl);
238 if (idx >= mtbl->gfid_num_entries) {
239 BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
242 BNXT_TF_DBG(DEBUG, "Set GFID[0x%0x] = 0x%0x\n", idx, mark);
243 mtbl->gfid_tbl[idx].mark_id = mark;
244 ULP_MARK_DB_ENTRY_SET_VALID(&mtbl->gfid_tbl[idx]);
247 /* For the LFID, the FID is used as the index */
248 if (fid >= mtbl->lfid_num_entries) {
249 BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
252 mtbl->lfid_tbl[fid].mark_id = mark;
253 ULP_MARK_DB_ENTRY_SET_VALID(&mtbl->lfid_tbl[fid]);
260 * Removes a Mark from the Mark Manager
262 * ctxt [in] The ulp context for the mark manager
264 * mark_flag [in] mark flags.
266 * fid [in] The flow id that is returned by HW in BD
270 ulp_mark_db_mark_del(struct bnxt_ulp_context *ctxt,
274 struct bnxt_ulp_mark_tbl *mtbl;
279 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
283 mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
285 BNXT_TF_DBG(ERR, "Unable to get Mark DB\n");
289 is_gfid = (mark_flag & BNXT_ULP_MARK_GLOBAL_HW_FID);
291 idx = ulp_mark_db_idx_get(is_gfid, fid, mtbl);
292 if (idx >= mtbl->gfid_num_entries) {
293 BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
296 BNXT_TF_DBG(DEBUG, "Reset GFID[0x%0x]\n", idx);
297 memset(&mtbl->gfid_tbl[idx], 0,
298 sizeof(struct bnxt_gfid_mark_info));
301 /* For the LFID, the FID is used as the index */
302 if (fid >= mtbl->lfid_num_entries) {
303 BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
306 memset(&mtbl->lfid_tbl[fid], 0,
307 sizeof(struct bnxt_lfid_mark_info));