1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2020 Broadcom
7 #include "bnxt_tf_common.h"
8 #include "ulp_rte_parser.h"
9 #include "ulp_matcher.h"
10 #include "ulp_flow_db.h"
11 #include "ulp_mapper.h"
12 #include <rte_malloc.h>
15 bnxt_ulp_flow_validate_args(const struct rte_flow_attr *attr,
16 const struct rte_flow_item pattern[],
17 const struct rte_flow_action actions[],
18 struct rte_flow_error *error)
20 /* Perform the validation of the arguments for null */
22 return BNXT_TF_RC_ERROR;
25 rte_flow_error_set(error,
27 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
30 return BNXT_TF_RC_ERROR;
34 rte_flow_error_set(error,
36 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
39 return BNXT_TF_RC_ERROR;
43 rte_flow_error_set(error,
45 RTE_FLOW_ERROR_TYPE_ATTR,
48 return BNXT_TF_RC_ERROR;
51 if (attr->egress && attr->ingress) {
52 rte_flow_error_set(error,
54 RTE_FLOW_ERROR_TYPE_ATTR,
56 "EGRESS AND INGRESS UNSUPPORTED");
57 return BNXT_TF_RC_ERROR;
59 return BNXT_TF_RC_SUCCESS;
62 /* Function to create the rte flow. */
63 static struct rte_flow *
64 bnxt_ulp_flow_create(struct rte_eth_dev *dev,
65 const struct rte_flow_attr *attr,
66 const struct rte_flow_item pattern[],
67 const struct rte_flow_action actions[],
68 struct rte_flow_error *error)
70 struct bnxt_ulp_mapper_create_parms mapper_cparms = { 0 };
71 struct ulp_rte_parser_params params;
72 struct bnxt_ulp_context *ulp_ctx = NULL;
73 uint32_t class_id, act_tmpl;
74 struct rte_flow *flow_id;
78 if (bnxt_ulp_flow_validate_args(attr,
80 error) == BNXT_TF_RC_ERROR) {
81 BNXT_TF_DBG(ERR, "Invalid arguments being passed\n");
85 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
87 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
91 /* Initialize the parser params */
92 memset(¶ms, 0, sizeof(struct ulp_rte_parser_params));
95 params.dir = ULP_DIR_EGRESS;
97 /* copy the device port id and direction for further processing */
98 ULP_UTIL_CHF_IDX_WR(¶ms, BNXT_ULP_CHF_IDX_INCOMING_IF,
100 ULP_UTIL_CHF_IDX_WR(¶ms, BNXT_ULP_CHF_IDX_DIRECTION, params.dir);
102 /* Parse the rte flow pattern */
103 ret = bnxt_ulp_rte_parser_hdr_parse(pattern, ¶ms);
104 if (ret != BNXT_TF_RC_SUCCESS)
107 /* Parse the rte flow action */
108 ret = bnxt_ulp_rte_parser_act_parse(actions, ¶ms);
109 if (ret != BNXT_TF_RC_SUCCESS)
112 ret = ulp_matcher_pattern_match(¶ms, &class_id);
114 if (ret != BNXT_TF_RC_SUCCESS)
117 ret = ulp_matcher_action_match(¶ms, &act_tmpl);
118 if (ret != BNXT_TF_RC_SUCCESS)
121 mapper_cparms.app_priority = attr->priority;
122 mapper_cparms.hdr_bitmap = ¶ms.hdr_bitmap;
123 mapper_cparms.hdr_field = params.hdr_field;
124 mapper_cparms.act = ¶ms.act_bitmap;
125 mapper_cparms.act_prop = ¶ms.act_prop;
126 mapper_cparms.class_tid = class_id;
127 mapper_cparms.act_tid = act_tmpl;
129 /* call the ulp mapper to create the flow in the hardware */
130 ret = ulp_mapper_flow_create(ulp_ctx,
134 flow_id = (struct rte_flow *)((uintptr_t)fid);
139 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
140 "Failed to create flow.");
144 /* Function to validate the rte flow. */
146 bnxt_ulp_flow_validate(struct rte_eth_dev *dev __rte_unused,
147 const struct rte_flow_attr *attr,
148 const struct rte_flow_item pattern[],
149 const struct rte_flow_action actions[],
150 struct rte_flow_error *error)
152 struct ulp_rte_parser_params params;
153 uint32_t class_id, act_tmpl;
156 if (bnxt_ulp_flow_validate_args(attr,
158 error) == BNXT_TF_RC_ERROR) {
159 BNXT_TF_DBG(ERR, "Invalid arguments being passed\n");
163 /* Initialize the parser params */
164 memset(¶ms, 0, sizeof(struct ulp_rte_parser_params));
167 params.dir = ULP_DIR_EGRESS;
169 /* Parse the rte flow pattern */
170 ret = bnxt_ulp_rte_parser_hdr_parse(pattern, ¶ms);
171 if (ret != BNXT_TF_RC_SUCCESS)
174 /* Parse the rte flow action */
175 ret = bnxt_ulp_rte_parser_act_parse(actions, ¶ms);
176 if (ret != BNXT_TF_RC_SUCCESS)
179 ret = ulp_matcher_pattern_match(¶ms, &class_id);
181 if (ret != BNXT_TF_RC_SUCCESS)
184 ret = ulp_matcher_action_match(¶ms, &act_tmpl);
185 if (ret != BNXT_TF_RC_SUCCESS)
188 /* all good return success */
192 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
193 "Failed to validate flow.");
197 /* Function to destroy the rte flow. */
199 bnxt_ulp_flow_destroy(struct rte_eth_dev *dev,
200 struct rte_flow *flow,
201 struct rte_flow_error *error)
204 struct bnxt_ulp_context *ulp_ctx;
207 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
209 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
210 rte_flow_error_set(error, EINVAL,
211 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
212 "Failed to destroy flow.");
216 fid = (uint32_t)(uintptr_t)flow;
218 ret = ulp_mapper_flow_destroy(ulp_ctx, fid);
220 rte_flow_error_set(error, -ret,
221 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
222 "Failed to destroy flow.");
227 /* Function to destroy the rte flows. */
229 bnxt_ulp_flow_flush(struct rte_eth_dev *eth_dev,
230 struct rte_flow_error *error)
232 struct bnxt_ulp_context *ulp_ctx;
236 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
238 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
239 rte_flow_error_set(error, EINVAL,
240 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
241 "Failed to flush flow.");
244 bp = eth_dev->data->dev_private;
246 /* Free the resources for the last device */
247 if (!ulp_ctx_deinit_allowed(bp))
250 ret = ulp_flow_db_flush_flows(ulp_ctx, BNXT_ULP_REGULAR_FLOW_TABLE);
252 rte_flow_error_set(error, ret,
253 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
254 "Failed to flush flow.");
258 const struct rte_flow_ops bnxt_ulp_rte_flow_ops = {
259 .validate = bnxt_ulp_flow_validate,
260 .create = bnxt_ulp_flow_create,
261 .destroy = bnxt_ulp_flow_destroy,
262 .flush = bnxt_ulp_flow_flush,