net/ice/base: add inner VLAN protocol type for QinQ filter
[dpdk.git] / drivers / net / bnxt / tf_core / tf_identifier.c
index e89f976..41ab13c 100644 (file)
@@ -1,13 +1,14 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2019-2020 Broadcom
+ * Copyright(c) 2019-2021 Broadcom
  * All rights reserved.
  */
 
 #include <rte_common.h>
 
 #include "tf_identifier.h"
+#include "tf_shadow_identifier.h"
 #include "tf_common.h"
-#include "tf_rm_new.h"
+#include "tf_rm.h"
 #include "tf_util.h"
 #include "tfp.h"
 
@@ -23,6 +24,16 @@ static void *ident_db[TF_DIR_MAX];
  */
 static uint8_t init;
 
+/**
+ * Identifier shadow DBs.
+ */
+static void *ident_shadow_db[TF_DIR_MAX];
+
+/**
+ * Shadow DB Init flag, set on bind and cleared on unbind
+ */
+static uint8_t shadow_init;
+
 int
 tf_ident_bind(struct tf *tfp,
              struct tf_ident_cfg_parms *parms)
@@ -30,63 +41,101 @@ tf_ident_bind(struct tf *tfp,
        int rc;
        int i;
        struct tf_rm_create_db_parms db_cfg = { 0 };
+       struct tf_shadow_ident_cfg_parms shadow_cfg = { 0 };
+       struct tf_shadow_ident_create_db_parms shadow_cdb = { 0 };
 
        TF_CHECK_PARMS2(tfp, parms);
 
        if (init) {
                TFP_DRV_LOG(ERR,
-                           "Identifier already initialized\n");
+                           "Identifier DB already initialized\n");
                return -EINVAL;
        }
 
+       db_cfg.type = TF_DEVICE_MODULE_TYPE_IDENTIFIER;
        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.num_elements = parms->num_elements;
-               db_cfg.cfg = parms->cfg;
-               db_cfg.alloc_num = parms->resources->identifier_cnt[i];
-               db_cfg.rm_db = ident_db[i];
+               db_cfg.alloc_cnt = parms->resources->ident_cnt[i].cnt;
+               db_cfg.rm_db = &ident_db[i];
                rc = tf_rm_create_db(tfp, &db_cfg);
                if (rc) {
                        TFP_DRV_LOG(ERR,
                                    "%s: Identifier DB creation failed\n",
                                    tf_dir_2_str(i));
+
                        return rc;
                }
+
+               if (parms->shadow_copy) {
+                       shadow_cfg.alloc_cnt =
+                               parms->resources->ident_cnt[i].cnt;
+                       shadow_cdb.num_elements = parms->num_elements;
+                       shadow_cdb.tf_shadow_ident_db = &ident_shadow_db[i];
+                       shadow_cdb.cfg = &shadow_cfg;
+                       rc = tf_shadow_ident_create_db(&shadow_cdb);
+                       if (rc) {
+                               TFP_DRV_LOG(ERR,
+                                   "%s: Ident shadow DB creation failed\n",
+                                   tf_dir_2_str(i));
+
+                               return rc;
+                       }
+                       shadow_init = 1;
+               }
        }
 
        init = 1;
 
+       TFP_DRV_LOG(INFO,
+                   "Identifier - initialized\n");
+
        return 0;
 }
 
 int
-tf_ident_unbind(struct tf *tfp __rte_unused)
+tf_ident_unbind(struct tf *tfp)
 {
-       int rc;
+       int rc = 0;
        int i;
        struct tf_rm_free_db_parms fparms = { 0 };
+       struct tf_shadow_ident_free_db_parms sparms = { 0 };
 
        TF_CHECK_PARMS1(tfp);
 
-       /* Bail if nothing has been initialized done silent as to
-        * allow for creation cleanup.
-        */
-       if (!init)
-               return -EINVAL;
+       /* Bail if nothing has been initialized */
+       if (!init) {
+               TFP_DRV_LOG(INFO,
+                           "No Identifier DBs created\n");
+               return 0;
+       }
 
        for (i = 0; i < TF_DIR_MAX; i++) {
                fparms.dir = i;
                fparms.rm_db = ident_db[i];
                rc = tf_rm_free_db(tfp, &fparms);
-               if (rc)
-                       return rc;
-
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "rm free failed on unbind\n");
+               }
+               if (shadow_init) {
+                       sparms.tf_shadow_ident_db = ident_shadow_db[i];
+                       rc = tf_shadow_ident_free_db(&sparms);
+                       if (rc) {
+                               /* TODO: If there are failures on unbind we
+                                * really just have to try until all DBs are
+                                * attempted to be cleared.
+                                */
+                       }
+                       ident_shadow_db[i] = NULL;
+               }
                ident_db[i] = NULL;
        }
 
        init = 0;
+       shadow_init = 0;
 
        return 0;
 }
@@ -96,7 +145,10 @@ tf_ident_alloc(struct tf *tfp __rte_unused,
               struct tf_ident_alloc_parms *parms)
 {
        int rc;
+       uint32_t id;
+       uint32_t base_id;
        struct tf_rm_allocate_parms aparms = { 0 };
+       struct tf_shadow_ident_insert_parms iparms = { 0 };
 
        TF_CHECK_PARMS2(tfp, parms);
 
@@ -109,17 +161,35 @@ tf_ident_alloc(struct tf *tfp __rte_unused,
 
        /* Allocate requested element */
        aparms.rm_db = ident_db[parms->dir];
-       aparms.db_index = parms->ident_type;
-       aparms.index = (uint32_t *)&parms->id;
+       aparms.db_index = parms->type;
+       aparms.index = &id;
+       aparms.base_index = &base_id;
        rc = tf_rm_allocate(&aparms);
        if (rc) {
                TFP_DRV_LOG(ERR,
                            "%s: Failed allocate, type:%d\n",
                            tf_dir_2_str(parms->dir),
-                           parms->ident_type);
+                           parms->type);
                return rc;
        }
 
+       if (shadow_init) {
+               iparms.tf_shadow_ident_db = ident_shadow_db[parms->dir];
+               iparms.type = parms->type;
+               iparms.id = base_id;
+
+               rc = tf_shadow_ident_insert(&iparms);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Failed insert shadow DB, type:%d\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type);
+                       return rc;
+               }
+       }
+
+       *parms->id = id;
+
        return 0;
 }
 
@@ -130,7 +200,9 @@ tf_ident_free(struct tf *tfp __rte_unused,
        int rc;
        struct tf_rm_is_allocated_parms aparms = { 0 };
        struct tf_rm_free_parms fparms = { 0 };
+       struct tf_shadow_ident_remove_parms rparms = { 0 };
        int allocated = 0;
+       uint32_t base_id;
 
        TF_CHECK_PARMS2(tfp, parms);
 
@@ -143,35 +215,120 @@ tf_ident_free(struct tf *tfp __rte_unused,
 
        /* Check if element is in use */
        aparms.rm_db = ident_db[parms->dir];
-       aparms.db_index = parms->ident_type;
+       aparms.db_index = parms->type;
        aparms.index = parms->id;
+       aparms.base_index = &base_id;
        aparms.allocated = &allocated;
        rc = tf_rm_is_allocated(&aparms);
        if (rc)
                return rc;
 
-       if (!allocated) {
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
                TFP_DRV_LOG(ERR,
                            "%s: Entry already free, type:%d, index:%d\n",
                            tf_dir_2_str(parms->dir),
-                           parms->ident_type,
+                           parms->type,
                            parms->id);
-               return rc;
+               return -EINVAL;
+       }
+
+       if (shadow_init) {
+               rparms.tf_shadow_ident_db = ident_shadow_db[parms->dir];
+               rparms.type = parms->type;
+               rparms.id = base_id;
+               rparms.ref_cnt = parms->ref_cnt;
+
+               rc = tf_shadow_ident_remove(&rparms);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: ref_cnt was 0 in shadow DB,"
+                                   " type:%d, index:%d\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type,
+                                   parms->id);
+                       return rc;
+               }
+
+               if (*rparms.ref_cnt > 0)
+                       return 0;
        }
 
        /* Free requested element */
        fparms.rm_db = ident_db[parms->dir];
-       fparms.db_index = parms->ident_type;
+       fparms.db_index = parms->type;
        fparms.index = parms->id;
        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->ident_type,
+                           parms->type,
                            parms->id);
                return rc;
        }
 
        return 0;
 }
+
+int
+tf_ident_search(struct tf *tfp __rte_unused,
+               struct tf_ident_search_parms *parms)
+{
+       int rc;
+       struct tf_rm_is_allocated_parms aparms = { 0 };
+       struct tf_shadow_ident_search_parms sparms = { 0 };
+       int allocated = 0;
+       uint32_t base_id;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: No Identifier DBs created\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       if (!shadow_init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Identifier Shadow copy is not enabled\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       /* Check if element is in use */
+       aparms.rm_db = ident_db[parms->dir];
+       aparms.db_index = parms->type;
+       aparms.index = parms->search_id;
+       aparms.base_index = &base_id;
+       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 not allocated, type:%d, index:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           parms->search_id);
+               return -EINVAL;
+       }
+
+       sparms.tf_shadow_ident_db = ident_shadow_db[parms->dir];
+       sparms.type = parms->type;
+       sparms.search_id = base_id;
+       sparms.hit = parms->hit;
+       sparms.ref_cnt = parms->ref_cnt;
+
+       rc = tf_shadow_ident_search(&sparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Failed search shadow DB, type:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type);
+               return rc;
+       }
+
+       return 0;
+}