1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2018-2019 NXP
13 #include <rte_ethdev.h>
15 #include <rte_malloc.h>
16 #include <rte_flow_driver.h>
17 #include <rte_tailq.h>
19 #include <rte_fslmc.h>
20 #include <fsl_dpdmux.h>
23 #include <dpaa2_ethdev.h>
24 #include <dpaa2_pmd_logs.h>
26 struct dpaa2_dpdmux_dev {
27 TAILQ_ENTRY(dpaa2_dpdmux_dev) next;
28 /**< Pointer to Next device instance */
29 struct fsl_mc_io dpdmux; /** handle to DPDMUX portal object */
31 uint32_t dpdmux_id; /*HW ID for DPDMUX object */
32 uint8_t num_ifs; /* Number of interfaces in DPDMUX */
36 struct dpdmux_rule_cfg rule;
39 TAILQ_HEAD(dpdmux_dev_list, dpaa2_dpdmux_dev);
40 static struct dpdmux_dev_list dpdmux_dev_list =
41 TAILQ_HEAD_INITIALIZER(dpdmux_dev_list); /*!< DPDMUX device list */
43 static struct dpaa2_dpdmux_dev *get_dpdmux_from_id(uint32_t dpdmux_id)
45 struct dpaa2_dpdmux_dev *dpdmux_dev = NULL;
47 /* Get DPBP dev handle from list using index */
48 TAILQ_FOREACH(dpdmux_dev, &dpdmux_dev_list, next) {
49 if (dpdmux_dev->dpdmux_id == dpdmux_id)
57 rte_pmd_dpaa2_mux_flow_create(uint32_t dpdmux_id,
58 struct rte_flow_item *pattern[],
59 struct rte_flow_action *actions[])
61 struct dpaa2_dpdmux_dev *dpdmux_dev;
62 struct dpkg_profile_cfg kg_cfg;
63 const struct rte_flow_action_vf *vf_conf;
64 struct dpdmux_cls_action dpdmux_action;
65 struct rte_flow *flow = NULL;
66 void *key_iova, *mask_iova, *key_cfg_iova = NULL;
70 /* Find the DPDMUX from dpdmux_id in our list */
71 dpdmux_dev = get_dpdmux_from_id(dpdmux_id);
73 DPAA2_PMD_ERR("Invalid dpdmux_id: %d", dpdmux_id);
77 key_cfg_iova = rte_zmalloc(NULL, DIST_PARAM_IOVA_SIZE,
80 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
83 flow = rte_zmalloc(NULL, sizeof(struct rte_flow) +
84 (2 * DIST_PARAM_IOVA_SIZE), RTE_CACHE_LINE_SIZE);
87 "Memory allocation failure for rule configration\n");
90 key_iova = (void *)((size_t)flow + sizeof(struct rte_flow));
91 mask_iova = (void *)((size_t)key_iova + DIST_PARAM_IOVA_SIZE);
93 /* Currently taking only IP protocol as an extract type.
94 * This can be exended to other fields using pattern->type.
96 memset(&kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
98 switch (pattern[0]->type) {
99 case RTE_FLOW_ITEM_TYPE_IPV4:
101 const struct rte_flow_item_ipv4 *spec;
102 kg_cfg.extracts[0].extract.from_hdr.prot = NET_PROT_IP;
103 kg_cfg.extracts[0].extract.from_hdr.field = NH_FLD_IP_PROTO;
104 kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_HDR;
105 kg_cfg.extracts[0].extract.from_hdr.type = DPKG_FULL_FIELD;
106 kg_cfg.num_extracts = 1;
108 spec = (const struct rte_flow_item_ipv4 *)pattern[0]->spec;
109 memcpy(key_iova, (const void *)(&spec->hdr.next_proto_id),
111 memcpy(mask_iova, pattern[0]->mask, sizeof(uint8_t));
112 key_size = sizeof(uint8_t);
116 case RTE_FLOW_ITEM_TYPE_ETH:
118 const struct rte_flow_item_eth *spec;
120 kg_cfg.extracts[0].extract.from_hdr.prot = NET_PROT_ETH;
121 kg_cfg.extracts[0].extract.from_hdr.field = NH_FLD_ETH_TYPE;
122 kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_HDR;
123 kg_cfg.extracts[0].extract.from_hdr.type = DPKG_FULL_FIELD;
124 kg_cfg.num_extracts = 1;
126 spec = (const struct rte_flow_item_eth *)pattern[0]->spec;
127 eth_type = rte_constant_bswap16(spec->type);
128 memcpy((void *)key_iova, (const void *)ð_type,
130 memcpy(mask_iova, pattern[0]->mask, sizeof(uint16_t));
131 key_size = sizeof(uint16_t);
136 DPAA2_PMD_ERR("Not supported pattern type: %d",
141 ret = dpkg_prepare_key_cfg(&kg_cfg, key_cfg_iova);
143 DPAA2_PMD_ERR("dpkg_prepare_key_cfg failed: err(%d)", ret);
147 ret = dpdmux_set_custom_key(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
149 (uint64_t)(DPAA2_VADDR_TO_IOVA(key_cfg_iova)));
151 DPAA2_PMD_ERR("dpdmux_set_custom_key failed: err(%d)", ret);
155 /* As now our key extract parameters are set, let us configure
158 flow->rule.key_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(key_iova));
159 flow->rule.mask_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(mask_iova));
160 flow->rule.key_size = key_size;
162 vf_conf = (const struct rte_flow_action_vf *)(actions[0]->conf);
163 if (vf_conf->id == 0 || vf_conf->id > dpdmux_dev->num_ifs) {
164 DPAA2_PMD_ERR("Invalid destination id\n");
167 dpdmux_action.dest_if = vf_conf->id;
169 ret = dpdmux_add_custom_cls_entry(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
170 dpdmux_dev->token, &flow->rule,
173 DPAA2_PMD_ERR("dpdmux_add_custom_cls_entry failed: err(%d)",
181 rte_free((void *)key_cfg_iova);
182 rte_free((void *)flow);
187 dpaa2_create_dpdmux_device(int vdev_fd __rte_unused,
188 struct vfio_device_info *obj_info __rte_unused,
191 struct dpaa2_dpdmux_dev *dpdmux_dev;
192 struct dpdmux_attr attr;
195 PMD_INIT_FUNC_TRACE();
197 /* Allocate DPAA2 dpdmux handle */
198 dpdmux_dev = rte_malloc(NULL, sizeof(struct dpaa2_dpdmux_dev), 0);
200 DPAA2_PMD_ERR("Memory allocation failed for DPDMUX Device");
204 /* Open the dpdmux object */
205 dpdmux_dev->dpdmux.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
206 ret = dpdmux_open(&dpdmux_dev->dpdmux, CMD_PRI_LOW, dpdmux_id,
209 DPAA2_PMD_ERR("Unable to open dpdmux object: err(%d)", ret);
213 ret = dpdmux_get_attributes(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
214 dpdmux_dev->token, &attr);
216 DPAA2_PMD_ERR("Unable to get dpdmux attr: err(%d)", ret);
220 ret = dpdmux_if_set_default(&dpdmux_dev->dpdmux, CMD_PRI_LOW,
221 dpdmux_dev->token, 1);
223 DPAA2_PMD_ERR("setting default interface failed in %s",
228 dpdmux_dev->dpdmux_id = dpdmux_id;
229 dpdmux_dev->num_ifs = attr.num_ifs;
231 TAILQ_INSERT_TAIL(&dpdmux_dev_list, dpdmux_dev, next);
237 rte_free(dpdmux_dev);
242 static struct rte_dpaa2_object rte_dpaa2_dpdmux_obj = {
243 .dev_type = DPAA2_MUX,
244 .create = dpaa2_create_dpdmux_device,
247 RTE_PMD_REGISTER_DPAA2_OBJECT(dpdmux, rte_dpaa2_dpdmux_obj);