eal: remove sys/queue.h from public headers
[dpdk.git] / drivers / net / bnxt / tf_core / tf_tcam.c
index b1092cd..273f208 100644 (file)
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2019-2020 Broadcom
+ * Copyright(c) 2019-2021 Broadcom
  * All rights reserved.
  */
 
 #include "tfp.h"
 #include "tf_session.h"
 #include "tf_msg.h"
+#include "tf_shadow_tcam.h"
 
 struct tf;
 
-/**
- * TCAM DBs.
- */
-static void *tcam_db[TF_DIR_MAX];
-
 /**
  * TCAM Shadow DBs
  */
-/* static void *shadow_tcam_db[TF_DIR_MAX]; */
-
-/**
- * Init flag, set on bind and cleared on unbind
- */
-static uint8_t init;
+static void *shadow_tcam_db[TF_DIR_MAX];
 
 /**
  * Shadow init flag, set on bind and cleared on unbind
  */
-/* static uint8_t shadow_init; */
+static uint8_t shadow_init;
 
 int
 tf_tcam_bind(struct tf *tfp,
             struct tf_tcam_cfg_parms *parms)
 {
        int rc;
-       int i;
+       int db_rc[TF_DIR_MAX] = { 0 };
+       int i, d;
+       struct tf_rm_alloc_info info;
+       struct tf_rm_free_db_parms fparms;
+       struct tf_rm_create_db_parms db_cfg;
        struct tf_tcam_resources *tcam_cnt;
-       struct tf_rm_create_db_parms db_cfg = { 0 };
+       struct tf_rm_get_alloc_info_parms ainfo;
+       struct tf_shadow_tcam_free_db_parms fshadow;
+       struct tf_shadow_tcam_cfg_parms shadow_cfg;
+       struct tf_shadow_tcam_create_db_parms shadow_cdb;
+       uint16_t num_slices = parms->wc_num_slices;
+       struct tf_session *tfs;
+       struct tf_dev_info *dev;
+       struct tcam_rm_db *tcam_db;
+       struct tfp_calloc_parms cparms;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (init) {
+       /* Retrieve the session information */
+       rc = tf_session_get_session_internal(tfp, &tfs);
+       if (rc)
+               return rc;
+
+       /* Retrieve the device information */
+       rc = tf_session_get_device(tfs, &dev);
+       if (rc)
+               return rc;
+
+       if (dev->ops->tf_dev_set_tcam_slice_info == NULL) {
+               rc = -EOPNOTSUPP;
                TFP_DRV_LOG(ERR,
-                           "TCAM DB already initialized\n");
-               return -EINVAL;
+                           "Operation not supported, rc:%s\n",
+                           strerror(-rc));
+               return rc;
        }
 
+       rc = dev->ops->tf_dev_set_tcam_slice_info(tfp,
+                                                 num_slices);
+       if (rc)
+               return rc;
+
        tcam_cnt = parms->resources->tcam_cnt;
-       if ((tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % 2) ||
-           (tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % 2)) {
+       if ((tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % num_slices) ||
+           (tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] % num_slices)) {
                TFP_DRV_LOG(ERR,
-                           "Number of WC TCAM entries cannot be odd num\n");
+                           "Requested num of WC TCAM entries has to be multiple %d\n",
+                           num_slices);
                return -EINVAL;
        }
 
-       db_cfg.type = TF_DEVICE_MODULE_TYPE_TCAM;
+       memset(&db_cfg, 0, sizeof(db_cfg));
+       cparms.nitems = 1;
+       cparms.size = sizeof(struct tcam_rm_db);
+       cparms.alignment = 0;
+       if (tfp_calloc(&cparms) != 0) {
+               TFP_DRV_LOG(ERR, "tcam_rm_db alloc error %s\n",
+                           strerror(ENOMEM));
+               return -ENOMEM;
+       }
+
+       tcam_db = cparms.mem_va;
+       for (i = 0; i < TF_DIR_MAX; i++)
+               tcam_db->tcam_db[i] = NULL;
+       tf_session_set_db(tfp, TF_MODULE_TYPE_TCAM, tcam_db);
+
+       db_cfg.module = TF_MODULE_TYPE_TCAM;
        db_cfg.num_elements = parms->num_elements;
        db_cfg.cfg = parms->cfg;
 
-       for (i = 0; i < TF_DIR_MAX; i++) {
-               db_cfg.dir = i;
-               db_cfg.alloc_cnt = parms->resources->tcam_cnt[i].cnt;
-               db_cfg.rm_db = &tcam_db[i];
-               rc = tf_rm_create_db(tfp, &db_cfg);
-               if (rc) {
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               db_cfg.dir = d;
+               db_cfg.alloc_cnt = parms->resources->tcam_cnt[d].cnt;
+               db_cfg.rm_db = (void *)&tcam_db->tcam_db[d];
+               if (tf_session_is_shared_session(tfs) &&
+                       (!tf_session_is_shared_session_creator(tfs)))
+                       db_rc[d] = tf_rm_create_db_no_reservation(tfp, &db_cfg);
+               else
+                       db_rc[d] = tf_rm_create_db(tfp, &db_cfg);
+       }
+
+       /* No db created */
+       if (db_rc[TF_DIR_RX] && db_rc[TF_DIR_TX]) {
+               TFP_DRV_LOG(ERR, "No TCAM DB created\n");
+               return db_rc[TF_DIR_RX];
+       }
+
+       /* check if reserved resource for WC is multiple of num_slices */
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               if (!tcam_db->tcam_db[d])
+                       continue;
+
+               memset(&info, 0, sizeof(info));
+               ainfo.rm_db = tcam_db->tcam_db[d];
+               ainfo.subtype = TF_TCAM_TBL_TYPE_WC_TCAM;
+               ainfo.info = &info;
+               rc = tf_rm_get_info(&ainfo);
+               if (rc)
+                       goto error;
+
+               if (info.entry.start % num_slices != 0 ||
+                   info.entry.stride % num_slices != 0) {
                        TFP_DRV_LOG(ERR,
-                                   "%s: TCAM DB creation failed\n",
-                                   tf_dir_2_str(i));
-                       return rc;
+                                   "%s: TCAM reserved resource is not multiple of %d\n",
+                                   tf_dir_2_str(d),
+                                   num_slices);
+                       rc = -EINVAL;
+                       goto error;
                }
        }
 
-       init = 1;
+       /* Initialize the TCAM manager. */
+       if (parms->shadow_copy) {
+               for (d = 0; d < TF_DIR_MAX; d++) {
+                       memset(&shadow_cfg, 0, sizeof(shadow_cfg));
+                       memset(&shadow_cdb, 0, sizeof(shadow_cdb));
+                       /* Get the base addresses of the tcams for tcam mgr */
+                       for (i = 0; i < TF_TCAM_TBL_TYPE_MAX; i++) {
+                               memset(&info, 0, sizeof(info));
+
+                               if (!parms->resources->tcam_cnt[d].cnt[i])
+                                       continue;
+                               ainfo.rm_db = tcam_db->tcam_db[d];
+                               ainfo.subtype = i;
+                               ainfo.info = &info;
+                               rc = tf_rm_get_info(&ainfo);
+                               if (rc)
+                                       goto error;
+
+                               shadow_cfg.base_addr[i] = info.entry.start;
+                       }
+
+                       /* Create the shadow db */
+                       shadow_cfg.alloc_cnt =
+                               parms->resources->tcam_cnt[d].cnt;
+                       shadow_cfg.num_entries = parms->num_elements;
+
+                       shadow_cdb.shadow_db = &shadow_tcam_db[d];
+                       shadow_cdb.cfg = &shadow_cfg;
+                       rc = tf_shadow_tcam_create_db(&shadow_cdb);
+                       if (rc) {
+                               TFP_DRV_LOG(ERR,
+                                           "TCAM MGR DB creation failed "
+                                           "rc=%d\n", rc);
+                               goto error;
+                       }
+               }
+               shadow_init = 1;
+       }
 
-       printf("TCAM - initialized\n");
+       TFP_DRV_LOG(INFO,
+                   "TCAM - initialized\n");
 
        return 0;
+error:
+       for (i = 0; i < TF_DIR_MAX; i++) {
+               memset(&fparms, 0, sizeof(fparms));
+               fparms.dir = i;
+               fparms.rm_db = tcam_db->tcam_db[i];
+               /* Ignoring return here since we are in the error case */
+               (void)tf_rm_free_db(tfp, &fparms);
+
+               if (parms->shadow_copy) {
+                       fshadow.shadow_db = shadow_tcam_db[i];
+                       tf_shadow_tcam_free_db(&fshadow);
+                       shadow_tcam_db[i] = NULL;
+               }
+
+               tcam_db->tcam_db[i] = NULL;
+               tf_session_set_db(tfp, TF_MODULE_TYPE_TCAM, NULL);
+       }
+
+       shadow_init = 0;
+
+       return rc;
 }
 
 int
@@ -91,28 +214,40 @@ tf_tcam_unbind(struct tf *tfp)
 {
        int rc;
        int i;
-       struct tf_rm_free_db_parms fparms = { 0 };
-
+       struct tf_rm_free_db_parms fparms;
+       struct tcam_rm_db *tcam_db;
+       void *tcam_db_ptr = NULL;
+       struct tf_shadow_tcam_free_db_parms fshadow;
        TF_CHECK_PARMS1(tfp);
 
-       /* Bail if nothing has been initialized */
-       if (!init) {
-               TFP_DRV_LOG(INFO,
-                           "No TCAM DBs created\n");
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+       if (rc) {
                return 0;
        }
+       tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
 
        for (i = 0; i < TF_DIR_MAX; i++) {
+               if (tcam_db->tcam_db[i] == NULL)
+                       continue;
+               memset(&fparms, 0, sizeof(fparms));
                fparms.dir = i;
-               fparms.rm_db = tcam_db[i];
+               fparms.rm_db = tcam_db->tcam_db[i];
                rc = tf_rm_free_db(tfp, &fparms);
                if (rc)
                        return rc;
 
-               tcam_db[i] = NULL;
+               tcam_db->tcam_db[i] = NULL;
+
+               if (shadow_init) {
+                       memset(&fshadow, 0, sizeof(fshadow));
+
+                       fshadow.shadow_db = shadow_tcam_db[i];
+                       tf_shadow_tcam_free_db(&fshadow);
+                       shadow_tcam_db[i] = NULL;
+               }
        }
 
-       init = 0;
+       shadow_init = 0;
 
        return 0;
 }
@@ -121,23 +256,19 @@ int
 tf_tcam_alloc(struct tf *tfp,
              struct tf_tcam_alloc_parms *parms)
 {
-       int rc;
+       int rc, i;
        struct tf_session *tfs;
        struct tf_dev_info *dev;
-       struct tf_rm_allocate_parms aparms = { 0 };
-       uint16_t num_slice_per_row = 1;
+       struct tf_rm_allocate_parms aparms;
+       uint16_t num_slices = 1;
+       uint32_t index;
+       struct tcam_rm_db *tcam_db;
+       void *tcam_db_ptr = NULL;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (!init) {
-               TFP_DRV_LOG(ERR,
-                           "%s: No TCAM DBs created\n",
-                           tf_dir_2_str(parms->dir));
-               return -EINVAL;
-       }
-
        /* Retrieve the session information */
-       rc = tf_session_get_session(tfp, &tfs);
+       rc = tf_session_get_session_internal(tfp, &tfs);
        if (rc)
                return rc;
 
@@ -155,30 +286,33 @@ tf_tcam_alloc(struct tf *tfp,
                return rc;
        }
 
-       /* Need to retrieve row size etc */
+       /* Need to retrieve number of slices based on the key_size */
        rc = dev->ops->tf_dev_get_tcam_slice_info(tfp,
                                                  parms->type,
                                                  parms->key_size,
-                                                 &num_slice_per_row);
+                                                 &num_slices);
        if (rc)
                return rc;
 
-       /* Allocate requested element */
-       aparms.rm_db = tcam_db[parms->dir];
-       aparms.db_index = parms->type;
-       aparms.priority = parms->priority;
-       aparms.index = (uint32_t *)&parms->idx;
-       rc = tf_rm_allocate(&aparms);
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
        if (rc) {
                TFP_DRV_LOG(ERR,
-                           "%s: Failed tcam, type:%d\n",
-                           tf_dir_2_str(parms->dir),
-                           parms->type);
+                           "Failed to get tcam_db from session, rc:%s\n",
+                           strerror(-rc));
                return rc;
        }
-
-       if (parms->type == TF_TCAM_TBL_TYPE_WC_TCAM &&
-           (parms->idx % 2) != 0) {
+       tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
+       /*
+        * For WC TCAM, number of slices could be 4, 2, 1 based on
+        * the key_size. For other TCAM, it is always 1
+        */
+       for (i = 0; i < num_slices; i++) {
+               memset(&aparms, 0, sizeof(aparms));
+               aparms.rm_db = tcam_db->tcam_db[parms->dir];
+               aparms.subtype = parms->type;
+               aparms.priority = parms->priority;
+               aparms.index = &index;
                rc = tf_rm_allocate(&aparms);
                if (rc) {
                        TFP_DRV_LOG(ERR,
@@ -187,9 +321,15 @@ tf_tcam_alloc(struct tf *tfp,
                                    parms->type);
                        return rc;
                }
-       }
 
-       parms->idx *= num_slice_per_row;
+               /* return the start index of each row */
+               if (parms->priority == 0) {
+                       if (i == 0)
+                               parms->idx = index;
+               } else {
+                       parms->idx = index;
+               }
+       }
 
        return 0;
 }
@@ -201,23 +341,20 @@ tf_tcam_free(struct tf *tfp,
        int rc;
        struct tf_session *tfs;
        struct tf_dev_info *dev;
-       struct tf_rm_is_allocated_parms aparms = { 0 };
-       struct tf_rm_free_parms fparms = { 0 };
-       struct tf_rm_get_hcapi_parms hparms = { 0 };
-       uint16_t num_slice_per_row = 1;
+       struct tf_rm_is_allocated_parms aparms;
+       struct tf_rm_free_parms fparms;
+       struct tf_rm_get_hcapi_parms hparms;
+       uint16_t num_slices = 1;
        int allocated = 0;
+       struct tf_shadow_tcam_remove_parms shparms;
+       int i;
+       struct tcam_rm_db *tcam_db;
+       void *tcam_db_ptr = NULL;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (!init) {
-               TFP_DRV_LOG(ERR,
-                           "%s: No TCAM DBs created\n",
-                           tf_dir_2_str(parms->dir));
-               return -EINVAL;
-       }
-
        /* Retrieve the session information */
-       rc = tf_session_get_session(tfp, &tfs);
+       rc = tf_session_get_session_internal(tfp, &tfs);
        if (rc)
                return rc;
 
@@ -239,14 +376,32 @@ tf_tcam_free(struct tf *tfp,
        rc = dev->ops->tf_dev_get_tcam_slice_info(tfp,
                                                  parms->type,
                                                  0,
-                                                 &num_slice_per_row);
+                                                 &num_slices);
        if (rc)
                return rc;
 
+       if (parms->idx % num_slices) {
+               TFP_DRV_LOG(ERR,
+                           "%s: TCAM reserved resource is not multiple of %d\n",
+                           tf_dir_2_str(parms->dir),
+                           num_slices);
+               return -EINVAL;
+       }
+
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Failed to get em_ext_db from session, rc:%s\n",
+                           strerror(-rc));
+               return rc;
+       }
+       tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
        /* Check if element is in use */
-       aparms.rm_db = tcam_db[parms->dir];
-       aparms.db_index = parms->type;
-       aparms.index = parms->idx / num_slice_per_row;
+       memset(&aparms, 0, sizeof(aparms));
+       aparms.rm_db = tcam_db->tcam_db[parms->dir];
+       aparms.subtype = parms->type;
+       aparms.index = parms->idx;
        aparms.allocated = &allocated;
        rc = tf_rm_is_allocated(&aparms);
        if (rc)
@@ -261,30 +416,64 @@ tf_tcam_free(struct tf *tfp,
                return -EINVAL;
        }
 
-       /* Free requested element */
-       fparms.rm_db = tcam_db[parms->dir];
-       fparms.db_index = parms->type;
-       fparms.index = parms->idx / num_slice_per_row;
-       rc = tf_rm_free(&fparms);
-       if (rc) {
-               TFP_DRV_LOG(ERR,
-                           "%s: Free failed, type:%d, index:%d\n",
-                           tf_dir_2_str(parms->dir),
-                           parms->type,
-                           parms->idx);
-               return rc;
+       /*
+        * The Shadow mgmt, if enabled, determines if the entry needs
+        * to be deleted.
+        */
+       if (shadow_init) {
+               shparms.shadow_db = shadow_tcam_db[parms->dir];
+               shparms.fparms = parms;
+               rc = tf_shadow_tcam_remove(&shparms);
+               if (rc) {
+                       /*
+                        * Should not get here, log it and let the entry be
+                        * deleted.
+                        */
+                       TFP_DRV_LOG(ERR, "%s: Shadow free fail, "
+                                   "type:%d index:%d deleting the entry.\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type,
+                                   parms->idx);
+               } else {
+                       /*
+                        * If the entry still has references, just return the
+                        * ref count to the caller.  No need to remove entry
+                        * from rm or hw
+                        */
+                       if (parms->ref_cnt >= 1)
+                               return rc;
+               }
+       }
+
+       for (i = 0; i < num_slices; i++) {
+               /* Free requested element */
+               memset(&fparms, 0, sizeof(fparms));
+               fparms.rm_db = tcam_db->tcam_db[parms->dir];
+               fparms.subtype = parms->type;
+               fparms.index = parms->idx + i;
+               rc = tf_rm_free(&fparms);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Free failed, type:%d, index:%d\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type,
+                                   parms->idx);
+                       return rc;
+               }
        }
 
        /* Convert TF type to HCAPI RM type */
-       hparms.rm_db = tcam_db[parms->dir];
-       hparms.db_index = parms->type;
+       memset(&hparms, 0, sizeof(hparms));
+
+       hparms.rm_db = tcam_db->tcam_db[parms->dir];
+       hparms.subtype = parms->type;
        hparms.hcapi_type = &parms->hcapi_type;
 
        rc = tf_rm_get_hcapi_type(&hparms);
        if (rc)
                return rc;
 
-       rc = tf_msg_tcam_entry_free(tfp, parms);
+       rc = tf_msg_tcam_entry_free(tfp, dev, parms);
        if (rc) {
                /* Log error */
                TFP_DRV_LOG(ERR,
@@ -293,15 +482,131 @@ tf_tcam_free(struct tf *tfp,
                            tf_tcam_tbl_2_str(parms->type),
                            parms->idx,
                            strerror(-rc));
+               return rc;
        }
 
        return 0;
 }
 
 int
-tf_tcam_alloc_search(struct tf *tfp __rte_unused,
-                    struct tf_tcam_alloc_search_parms *parms __rte_unused)
+tf_tcam_alloc_search(struct tf *tfp,
+                    struct tf_tcam_alloc_search_parms *parms)
 {
+       struct tf_shadow_tcam_search_parms sparms;
+       struct tf_shadow_tcam_bind_index_parms bparms;
+       struct tf_tcam_free_parms fparms;
+       struct tf_tcam_alloc_parms aparms;
+       uint16_t num_slice_per_row = 1;
+       struct tf_session *tfs;
+       struct tf_dev_info *dev;
+       int rc;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!shadow_init || !shadow_tcam_db[parms->dir]) {
+               TFP_DRV_LOG(ERR, "%s: TCAM Shadow not initialized for %s\n",
+                           tf_dir_2_str(parms->dir),
+                           tf_tcam_tbl_2_str(parms->type));
+               return -EINVAL;
+       }
+
+       /* Retrieve the session information */
+       rc = tf_session_get_session_internal(tfp, &tfs);
+       if (rc)
+               return rc;
+
+       /* Retrieve the device information */
+       rc = tf_session_get_device(tfs, &dev);
+       if (rc)
+               return rc;
+
+       if (dev->ops->tf_dev_get_tcam_slice_info == NULL) {
+               rc = -EOPNOTSUPP;
+               TFP_DRV_LOG(ERR,
+                           "%s: Operation not supported, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Need to retrieve row size etc */
+       rc = dev->ops->tf_dev_get_tcam_slice_info(tfp,
+                                                 parms->type,
+                                                 parms->key_size,
+                                                 &num_slice_per_row);
+       if (rc)
+               return rc;
+
+       /*
+        * Prep the shadow search, reusing the parms from original search
+        * instead of copying them.  Shadow will update output in there.
+        */
+       memset(&sparms, 0, sizeof(sparms));
+       sparms.sparms = parms;
+       sparms.shadow_db = shadow_tcam_db[parms->dir];
+
+       rc = tf_shadow_tcam_search(&sparms);
+       if (rc)
+               return rc;
+
+       /*
+        * The app didn't request us to alloc the entry, so return now.
+        * The hit should have been updated in the original search parm.
+        */
+       if (!parms->alloc || parms->search_status != MISS)
+               return rc;
+
+       /* Caller desires an allocate on miss */
+       if (dev->ops->tf_dev_alloc_tcam == NULL) {
+               rc = -EOPNOTSUPP;
+               TFP_DRV_LOG(ERR,
+                           "%s: Operation not supported, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return rc;
+       }
+       memset(&aparms, 0, sizeof(aparms));
+       aparms.dir = parms->dir;
+       aparms.type = parms->type;
+       aparms.key_size = parms->key_size;
+       aparms.priority = parms->priority;
+       rc = dev->ops->tf_dev_alloc_tcam(tfp, &aparms);
+       if (rc)
+               return rc;
+
+       /* Successful allocation, attempt to add it to the shadow */
+       memset(&bparms, 0, sizeof(bparms));
+       bparms.dir = parms->dir;
+       bparms.shadow_db = shadow_tcam_db[parms->dir];
+       bparms.type = parms->type;
+       bparms.key = parms->key;
+       bparms.mask = parms->mask;
+       bparms.key_size = parms->key_size;
+       bparms.idx = aparms.idx;
+       bparms.hb_handle = sparms.hb_handle;
+       rc = tf_shadow_tcam_bind_index(&bparms);
+       if (rc) {
+               /* Error binding entry, need to free the allocated idx */
+               if (dev->ops->tf_dev_free_tcam == NULL) {
+                       rc = -EOPNOTSUPP;
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Operation not supported, rc:%s\n",
+                                   tf_dir_2_str(parms->dir),
+                                   strerror(-rc));
+                       return rc;
+               }
+
+               fparms.dir = parms->dir;
+               fparms.type = parms->type;
+               fparms.idx = aparms.idx;
+               rc = dev->ops->tf_dev_free_tcam(tfp, &fparms);
+               if (rc)
+                       return rc;
+       }
+
+       /* Add the allocated index to output and done */
+       parms->idx = aparms.idx;
+
        return 0;
 }
 
@@ -312,22 +617,18 @@ tf_tcam_set(struct tf *tfp __rte_unused,
        int rc;
        struct tf_session *tfs;
        struct tf_dev_info *dev;
-       struct tf_rm_is_allocated_parms aparms = { 0 };
-       struct tf_rm_get_hcapi_parms hparms = { 0 };
+       struct tf_rm_is_allocated_parms aparms;
+       struct tf_rm_get_hcapi_parms hparms;
+       struct tf_shadow_tcam_insert_parms iparms;
        uint16_t num_slice_per_row = 1;
        int allocated = 0;
+       struct tcam_rm_db *tcam_db;
+       void *tcam_db_ptr = NULL;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (!init) {
-               TFP_DRV_LOG(ERR,
-                           "%s: No TCAM DBs created\n",
-                           tf_dir_2_str(parms->dir));
-               return -EINVAL;
-       }
-
        /* Retrieve the session information */
-       rc = tf_session_get_session(tfp, &tfs);
+       rc = tf_session_get_session_internal(tfp, &tfs);
        if (rc)
                return rc;
 
@@ -353,10 +654,21 @@ tf_tcam_set(struct tf *tfp __rte_unused,
        if (rc)
                return rc;
 
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Failed to get em_ext_db from session, rc:%s\n",
+                           strerror(-rc));
+               return rc;
+       }
+       tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
        /* Check if element is in use */
-       aparms.rm_db = tcam_db[parms->dir];
-       aparms.db_index = parms->type;
-       aparms.index = parms->idx / num_slice_per_row;
+       memset(&aparms, 0, sizeof(aparms));
+
+       aparms.rm_db = tcam_db->tcam_db[parms->dir];
+       aparms.subtype = parms->type;
+       aparms.index = parms->idx;
        aparms.allocated = &allocated;
        rc = tf_rm_is_allocated(&aparms);
        if (rc)
@@ -372,15 +684,17 @@ tf_tcam_set(struct tf *tfp __rte_unused,
        }
 
        /* Convert TF type to HCAPI RM type */
-       hparms.rm_db = tcam_db[parms->dir];
-       hparms.db_index = parms->type;
+       memset(&hparms, 0, sizeof(hparms));
+
+       hparms.rm_db = tcam_db->tcam_db[parms->dir];
+       hparms.subtype = parms->type;
        hparms.hcapi_type = &parms->hcapi_type;
 
        rc = tf_rm_get_hcapi_type(&hparms);
        if (rc)
                return rc;
 
-       rc = tf_msg_tcam_entry_set(tfp, parms);
+       rc = tf_msg_tcam_entry_set(tfp, dev, parms);
        if (rc) {
                /* Log error */
                TFP_DRV_LOG(ERR,
@@ -389,6 +703,24 @@ tf_tcam_set(struct tf *tfp __rte_unused,
                            tf_tcam_tbl_2_str(parms->type),
                            parms->idx,
                            strerror(-rc));
+               return rc;
+       }
+
+       /* Successfully added to hw, now for shadow if enabled. */
+       if (!shadow_init || !shadow_tcam_db[parms->dir])
+               return 0;
+
+       iparms.shadow_db = shadow_tcam_db[parms->dir];
+       iparms.sparms = parms;
+       rc = tf_shadow_tcam_insert(&iparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: %s: Entry %d set failed, rc:%s",
+                           tf_dir_2_str(parms->dir),
+                           tf_tcam_tbl_2_str(parms->type),
+                           parms->idx,
+                           strerror(-rc));
+               return rc;
        }
 
        return 0;
@@ -396,7 +728,120 @@ tf_tcam_set(struct tf *tfp __rte_unused,
 
 int
 tf_tcam_get(struct tf *tfp __rte_unused,
-           struct tf_tcam_get_parms *parms __rte_unused)
+           struct tf_tcam_get_parms *parms)
 {
+       int rc;
+       struct tf_session *tfs;
+       struct tf_dev_info *dev;
+       struct tf_rm_is_allocated_parms aparms;
+       struct tf_rm_get_hcapi_parms hparms;
+       int allocated = 0;
+       struct tcam_rm_db *tcam_db;
+       void *tcam_db_ptr = NULL;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       /* Retrieve the session information */
+       rc = tf_session_get_session_internal(tfp, &tfs);
+       if (rc)
+               return rc;
+
+       /* Retrieve the device information */
+       rc = tf_session_get_device(tfs, &dev);
+       if (rc)
+               return rc;
+
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Failed to get em_ext_db from session, rc:%s\n",
+                           strerror(-rc));
+               return rc;
+       }
+       tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
+       /* Check if element is in use */
+       memset(&aparms, 0, sizeof(aparms));
+
+       aparms.rm_db = tcam_db->tcam_db[parms->dir];
+       aparms.subtype = parms->type;
+       aparms.index = parms->idx;
+       aparms.allocated = &allocated;
+       rc = tf_rm_is_allocated(&aparms);
+       if (rc)
+               return rc;
+
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Entry is not allocated, type:%d, index:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           parms->idx);
+               return -EINVAL;
+       }
+
+       /* Convert TF type to HCAPI RM type */
+       memset(&hparms, 0, sizeof(hparms));
+
+       hparms.rm_db = tcam_db->tcam_db[parms->dir];
+       hparms.subtype = parms->type;
+       hparms.hcapi_type = &parms->hcapi_type;
+
+       rc = tf_rm_get_hcapi_type(&hparms);
+       if (rc)
+               return rc;
+
+       rc = tf_msg_tcam_entry_get(tfp, dev, parms);
+       if (rc) {
+               /* Log error */
+               TFP_DRV_LOG(ERR,
+                           "%s: %s: Entry %d set failed, rc:%s",
+                           tf_dir_2_str(parms->dir),
+                           tf_tcam_tbl_2_str(parms->type),
+                           parms->idx,
+                           strerror(-rc));
+               return rc;
+       }
+
+       return 0;
+}
+
+int
+tf_tcam_get_resc_info(struct tf *tfp,
+                     struct tf_tcam_resource_info *tcam)
+{
+       int rc;
+       int d;
+       struct tf_resource_info *dinfo;
+       struct tf_rm_get_alloc_info_parms ainfo;
+       void *tcam_db_ptr = NULL;
+       struct tcam_rm_db *tcam_db;
+
+       TF_CHECK_PARMS2(tfp, tcam);
+
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TCAM, &tcam_db_ptr);
+       if (rc == -ENOMEM)
+               return 0;  /* db doesn't exist */
+       else if (rc)
+               return rc; /* error getting db */
+
+       tcam_db = (struct tcam_rm_db *)tcam_db_ptr;
+
+       /* check if reserved resource for WC is multiple of num_slices */
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               ainfo.rm_db = tcam_db->tcam_db[d];
+
+               if (!ainfo.rm_db)
+                       continue;
+
+               dinfo = tcam[d].info;
+
+               ainfo.info = (struct tf_rm_alloc_info *)dinfo;
+               ainfo.subtype = 0;
+               rc = tf_rm_get_all_info(&ainfo, TF_TCAM_TBL_TYPE_MAX);
+               if (rc && rc != -ENOTSUP)
+                       return rc;
+       }
+
        return 0;
 }