/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2019-2020 Broadcom
+ * Copyright(c) 2019-2021 Broadcom
* All rights reserved.
*/
+#include <rte_common.h>
+#include <cfa_resource_types.h>
+
#include "tf_device.h"
#include "tf_identifier.h"
-#include "tf_tbl_type.h"
+#include "tf_tbl.h"
#include "tf_tcam.h"
+#include "tf_em.h"
+#include "tf_if_tbl.h"
+#include "tfp.h"
+
+#define TF_DEV_P4_PARIF_MAX 16
+#define TF_DEV_P4_PF_MASK 0xfUL
+
+/**
+ * Device specific function that retrieves the MAX number of HCAPI
+ * types the device supports.
+ *
+ * [in] tfp
+ * Pointer to TF handle
+ *
+ * [out] max_types
+ * Pointer to the MAX number of HCAPI types supported
+ *
+ * Returns
+ * - (0) if successful.
+ * - (-EINVAL) on failure.
+ */
+static int
+tf_dev_p4_get_max_types(struct tf *tfp,
+ uint16_t *max_types)
+{
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ int rc;
+
+ if (max_types == NULL || tfp == NULL)
+ return -EINVAL;
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ if (dev->type == TF_DEVICE_TYPE_WH)
+ *max_types = CFA_RESOURCE_TYPE_P4_LAST + 1;
+ else if (dev->type == TF_DEVICE_TYPE_SR)
+ *max_types = CFA_RESOURCE_TYPE_P45_LAST + 1;
+ else
+ return -ENODEV;
+
+ return 0;
+}
+
+/**
+ * Device specific function that retrieves the WC TCAM slices the
+ * device supports.
+ *
+ * [in] tfp
+ * Pointer to TF handle
+ *
+ * [out] slice_size
+ * Pointer to the WC TCAM slice size
+ *
+ * [out] num_slices_per_row
+ * Pointer to the WC TCAM row slice configuration
+ *
+ * Returns
+ * - (0) if successful.
+ * - (-EINVAL) on failure.
+ */
+static int
+tf_dev_p4_get_tcam_slice_info(struct tf *tfp __rte_unused,
+ enum tf_tcam_tbl_type type,
+ uint16_t key_sz,
+ uint16_t *num_slices_per_row)
+{
+#define CFA_P4_WC_TCAM_SLICES_PER_ROW 2
+#define CFA_P4_WC_TCAM_SLICE_SIZE 12
+
+ if (type == TF_TCAM_TBL_TYPE_WC_TCAM) {
+ *num_slices_per_row = CFA_P4_WC_TCAM_SLICES_PER_ROW;
+ if (key_sz > *num_slices_per_row * CFA_P4_WC_TCAM_SLICE_SIZE)
+ return -ENOTSUP;
+ *num_slices_per_row = 1;
+ } else { /* for other type of tcam */
+ *num_slices_per_row = 1;
+ }
+
+ return 0;
+}
+
+static int
+tf_dev_p4_map_parif(struct tf *tfp __rte_unused,
+ uint16_t parif_bitmask,
+ uint16_t pf,
+ uint8_t *data,
+ uint8_t *mask,
+ uint16_t sz_in_bytes)
+{
+ uint32_t parif_pf[2] = { 0 };
+ uint32_t parif_pf_mask[2] = { 0 };
+ uint32_t parif;
+ uint32_t shift;
+
+ if (sz_in_bytes != sizeof(uint64_t))
+ return -ENOTSUP;
+
+ for (parif = 0; parif < TF_DEV_P4_PARIF_MAX; parif++) {
+ if (parif_bitmask & (1UL << parif)) {
+ if (parif < 8) {
+ shift = 4 * parif;
+ parif_pf_mask[0] |= TF_DEV_P4_PF_MASK << shift;
+ parif_pf[0] |= pf << shift;
+ } else {
+ shift = 4 * (parif - 8);
+ parif_pf_mask[1] |= TF_DEV_P4_PF_MASK << shift;
+ parif_pf[1] |= pf << shift;
+ }
+ }
+ }
+ tfp_memcpy(data, parif_pf, sz_in_bytes);
+ tfp_memcpy(mask, parif_pf_mask, sz_in_bytes);
+
+ return 0;
+}
+
+
+/**
+ * Truflow P4 device specific functions
+ */
+const struct tf_dev_ops tf_dev_ops_p4_init = {
+ .tf_dev_get_max_types = tf_dev_p4_get_max_types,
+ .tf_dev_get_tcam_slice_info = tf_dev_p4_get_tcam_slice_info,
+ .tf_dev_alloc_ident = NULL,
+ .tf_dev_free_ident = NULL,
+ .tf_dev_search_ident = NULL,
+ .tf_dev_alloc_ext_tbl = NULL,
+ .tf_dev_alloc_tbl = NULL,
+ .tf_dev_free_ext_tbl = NULL,
+ .tf_dev_free_tbl = NULL,
+ .tf_dev_alloc_search_tbl = NULL,
+ .tf_dev_set_tbl = NULL,
+ .tf_dev_set_ext_tbl = NULL,
+ .tf_dev_get_tbl = NULL,
+ .tf_dev_get_bulk_tbl = NULL,
+ .tf_dev_alloc_tcam = NULL,
+ .tf_dev_free_tcam = NULL,
+ .tf_dev_alloc_search_tcam = NULL,
+ .tf_dev_set_tcam = NULL,
+ .tf_dev_get_tcam = NULL,
+ .tf_dev_insert_int_em_entry = NULL,
+ .tf_dev_delete_int_em_entry = NULL,
+ .tf_dev_insert_ext_em_entry = NULL,
+ .tf_dev_delete_ext_em_entry = NULL,
+ .tf_dev_alloc_tbl_scope = NULL,
+ .tf_dev_map_tbl_scope = NULL,
+ .tf_dev_map_parif = NULL,
+ .tf_dev_free_tbl_scope = NULL,
+ .tf_dev_set_if_tbl = NULL,
+ .tf_dev_get_if_tbl = NULL,
+ .tf_dev_set_global_cfg = NULL,
+ .tf_dev_get_global_cfg = NULL,
+};
+
+/**
+ * Truflow P4 device specific functions
+ */
const struct tf_dev_ops tf_dev_ops_p4 = {
+ .tf_dev_get_max_types = tf_dev_p4_get_max_types,
+ .tf_dev_get_tcam_slice_info = tf_dev_p4_get_tcam_slice_info,
.tf_dev_alloc_ident = tf_ident_alloc,
.tf_dev_free_ident = tf_ident_free,
- .tf_dev_alloc_tbl_type = tf_tbl_type_alloc,
- .tf_dev_free_tbl_type = tf_tbl_type_free,
- .tf_dev_alloc_search_tbl_type = tf_tbl_type_alloc_search,
- .tf_dev_set_tbl_type = tf_tbl_type_set,
- .tf_dev_get_tbl_type = tf_tbl_type_get,
+ .tf_dev_search_ident = tf_ident_search,
+ .tf_dev_alloc_tbl = tf_tbl_alloc,
+ .tf_dev_alloc_ext_tbl = tf_tbl_ext_alloc,
+ .tf_dev_free_tbl = tf_tbl_free,
+ .tf_dev_free_ext_tbl = tf_tbl_ext_free,
+ .tf_dev_alloc_search_tbl = tf_tbl_alloc_search,
+ .tf_dev_set_tbl = tf_tbl_set,
+ .tf_dev_set_ext_tbl = tf_tbl_ext_common_set,
+ .tf_dev_get_tbl = tf_tbl_get,
+ .tf_dev_get_bulk_tbl = tf_tbl_bulk_get,
.tf_dev_alloc_tcam = tf_tcam_alloc,
.tf_dev_free_tcam = tf_tcam_free,
.tf_dev_alloc_search_tcam = tf_tcam_alloc_search,
.tf_dev_set_tcam = tf_tcam_set,
- .tf_dev_get_tcam = tf_tcam_get,
+ .tf_dev_get_tcam = NULL,
+ .tf_dev_insert_int_em_entry = tf_em_insert_int_entry,
+ .tf_dev_delete_int_em_entry = tf_em_delete_int_entry,
+ .tf_dev_insert_ext_em_entry = tf_em_insert_ext_entry,
+ .tf_dev_delete_ext_em_entry = tf_em_delete_ext_entry,
+ .tf_dev_alloc_tbl_scope = tf_em_ext_common_alloc,
+ .tf_dev_map_tbl_scope = tf_em_ext_map_tbl_scope,
+ .tf_dev_map_parif = tf_dev_p4_map_parif,
+ .tf_dev_free_tbl_scope = tf_em_ext_common_free,
+ .tf_dev_set_if_tbl = tf_if_tbl_set,
+ .tf_dev_get_if_tbl = tf_if_tbl_get,
+ .tf_dev_set_global_cfg = tf_global_cfg_set,
+ .tf_dev_get_global_cfg = tf_global_cfg_get,
};
git.droids-corp.org / dpdk.git / blobdiff