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;
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));
93 params.ulp_ctx = ulp_ctx;
96 params.dir = ULP_DIR_EGRESS;
98 /* copy the device port id and direction for further processing */
99 ULP_COMP_FLD_IDX_WR(¶ms, BNXT_ULP_CF_IDX_INCOMING_IF,
101 ULP_COMP_FLD_IDX_WR(¶ms, BNXT_ULP_CF_IDX_DIRECTION, params.dir);
102 ULP_COMP_FLD_IDX_WR(¶ms, BNXT_ULP_CF_IDX_SVIF_FLAG,
103 BNXT_ULP_INVALID_SVIF_VAL);
105 /* Parse the rte flow pattern */
106 ret = bnxt_ulp_rte_parser_hdr_parse(pattern, ¶ms);
107 if (ret != BNXT_TF_RC_SUCCESS)
110 /* Parse the rte flow action */
111 ret = bnxt_ulp_rte_parser_act_parse(actions, ¶ms);
112 if (ret != BNXT_TF_RC_SUCCESS)
115 ret = ulp_matcher_pattern_match(¶ms, &class_id);
116 if (ret != BNXT_TF_RC_SUCCESS)
119 ret = ulp_matcher_action_match(¶ms, &act_tmpl);
120 if (ret != BNXT_TF_RC_SUCCESS)
123 mapper_cparms.app_priority = attr->priority;
124 mapper_cparms.hdr_bitmap = ¶ms.hdr_bitmap;
125 mapper_cparms.hdr_field = params.hdr_field;
126 mapper_cparms.comp_fld = params.comp_fld;
127 mapper_cparms.act = ¶ms.act_bitmap;
128 mapper_cparms.act_prop = ¶ms.act_prop;
129 mapper_cparms.class_tid = class_id;
130 mapper_cparms.act_tid = act_tmpl;
131 mapper_cparms.func_id = bnxt_get_fw_func_id(dev->data->port_id,
132 BNXT_ULP_INTF_TYPE_INVALID);
133 mapper_cparms.dir = params.dir;
135 /* Call the ulp mapper to create the flow in the hardware. */
136 ret = ulp_mapper_flow_create(ulp_ctx, &mapper_cparms, &fid);
138 flow_id = (struct rte_flow *)((uintptr_t)fid);
143 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
144 "Failed to create flow.");
148 /* Function to validate the rte flow. */
150 bnxt_ulp_flow_validate(struct rte_eth_dev *dev,
151 const struct rte_flow_attr *attr,
152 const struct rte_flow_item pattern[],
153 const struct rte_flow_action actions[],
154 struct rte_flow_error *error)
156 struct ulp_rte_parser_params params;
157 uint32_t class_id, act_tmpl;
159 struct bnxt_ulp_context *ulp_ctx;
161 if (bnxt_ulp_flow_validate_args(attr,
163 error) == BNXT_TF_RC_ERROR) {
164 BNXT_TF_DBG(ERR, "Invalid arguments being passed\n");
168 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
170 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
174 /* Initialize the parser params */
175 memset(¶ms, 0, sizeof(struct ulp_rte_parser_params));
176 params.ulp_ctx = ulp_ctx;
179 params.dir = ULP_DIR_EGRESS;
181 /* Parse the rte flow pattern */
182 ret = bnxt_ulp_rte_parser_hdr_parse(pattern, ¶ms);
183 if (ret != BNXT_TF_RC_SUCCESS)
186 /* Parse the rte flow action */
187 ret = bnxt_ulp_rte_parser_act_parse(actions, ¶ms);
188 if (ret != BNXT_TF_RC_SUCCESS)
191 ret = ulp_matcher_pattern_match(¶ms, &class_id);
193 if (ret != BNXT_TF_RC_SUCCESS)
196 ret = ulp_matcher_action_match(¶ms, &act_tmpl);
197 if (ret != BNXT_TF_RC_SUCCESS)
200 /* all good return success */
204 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
205 "Failed to validate flow.");
209 /* Function to destroy the rte flow. */
211 bnxt_ulp_flow_destroy(struct rte_eth_dev *dev,
212 struct rte_flow *flow,
213 struct rte_flow_error *error)
216 struct bnxt_ulp_context *ulp_ctx;
220 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
222 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
224 rte_flow_error_set(error, EINVAL,
225 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
226 "Failed to destroy flow.");
230 flow_id = (uint32_t)(uintptr_t)flow;
231 func_id = bnxt_get_fw_func_id(dev->data->port_id,
232 BNXT_ULP_INTF_TYPE_INVALID);
234 if (ulp_flow_db_validate_flow_func(ulp_ctx, flow_id, func_id) ==
236 BNXT_TF_DBG(ERR, "Incorrect device params\n");
238 rte_flow_error_set(error, EINVAL,
239 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
240 "Failed to destroy flow.");
244 ret = ulp_mapper_flow_destroy(ulp_ctx, flow_id,
245 BNXT_ULP_REGULAR_FLOW_TABLE);
247 BNXT_TF_DBG(ERR, "Failed to destroy flow.\n");
249 rte_flow_error_set(error, -ret,
250 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
251 "Failed to destroy flow.");
257 /* Function to destroy the rte flows. */
259 bnxt_ulp_flow_flush(struct rte_eth_dev *eth_dev,
260 struct rte_flow_error *error)
262 struct bnxt_ulp_context *ulp_ctx;
267 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
269 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
270 rte_flow_error_set(error, EINVAL,
271 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
272 "Failed to flush flow.");
275 bp = eth_dev->data->dev_private;
277 /* Free the resources for the last device */
278 if (ulp_ctx_deinit_allowed(bp)) {
279 ret = ulp_flow_db_session_flow_flush(ulp_ctx);
280 } else if (bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx)) {
281 func_id = bnxt_get_fw_func_id(eth_dev->data->port_id,
282 BNXT_ULP_INTF_TYPE_INVALID);
283 ret = ulp_flow_db_function_flow_flush(ulp_ctx, func_id);
286 rte_flow_error_set(error, ret,
287 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
288 "Failed to flush flow.");
292 const struct rte_flow_ops bnxt_ulp_rte_flow_ops = {
293 .validate = bnxt_ulp_flow_validate,
294 .create = bnxt_ulp_flow_create,
295 .destroy = bnxt_ulp_flow_destroy,
296 .flush = bnxt_ulp_flow_flush,