net/bnxt: add functions to get shared table increments

[dpdk.git] / drivers / net / bnxt / tf_core / tf_identifier.c

diff --git a/drivers/net/bnxt/tf_core/tf_identifier.c b/drivers/net/bnxt/tf_core/tf_identifier.c
index ee68b6c..9f27a41 100644 (file)
--- a/drivers/net/bnxt/tf_core/tf_identifier.c
+++ b/drivers/net/bnxt/tf_core/tf_identifier.c
@@ -15,11 +15,6 @@
 
 struct tf;
 
-/**
- * Init flag, set on bind and cleared on unbind
- */
-static uint8_t init;
-
 /**
  * Identifier shadow DBs.
  */
@@ -35,20 +30,21 @@ tf_ident_bind(struct tf *tfp,
              struct tf_ident_cfg_parms *parms)
 {
        int rc;
+       int db_rc[TF_DIR_MAX] = { 0 };
        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 };
        struct ident_rm_db *ident_db;
        struct tfp_calloc_parms cparms;
+       struct tf_session *tfs;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (init) {
-               TFP_DRV_LOG(ERR,
-                           "Identifier DB already initialized\n");
-               return -EINVAL;
-       }
+       /* Retrieve the session information */
+       rc = tf_session_get_session_internal(tfp, &tfs);
+       if (rc)
+               return rc;
 
        memset(&db_cfg, 0, sizeof(db_cfg));
        cparms.nitems = 1;
@@ -73,14 +69,11 @@ tf_ident_bind(struct tf *tfp,
                db_cfg.rm_db = (void *)&ident_db->ident_db[i];
                db_cfg.dir = i;
                db_cfg.alloc_cnt = parms->resources->ident_cnt[i].cnt;
-               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 (tf_session_is_shared_session(tfs) &&
+                       (!tf_session_is_shared_session_creator(tfs)))
+                       db_rc[i] = tf_rm_create_db_no_reservation(tfp, &db_cfg);
+               else
+                       db_rc[i] = tf_rm_create_db(tfp, &db_cfg);
 
                if (parms->shadow_copy) {
                        shadow_cfg.alloc_cnt =
@@ -100,7 +93,11 @@ tf_ident_bind(struct tf *tfp,
                }
        }
 
-       init = 1;
+       /* No db created */
+       if (db_rc[TF_DIR_RX] && db_rc[TF_DIR_TX]) {
+               TFP_DRV_LOG(ERR, "No Identifier DB created\n");
+               return db_rc[TF_DIR_RX];
+       }
 
        TFP_DRV_LOG(INFO,
                    "Identifier - initialized\n");
@@ -120,23 +117,14 @@ tf_ident_unbind(struct tf *tfp)
 
        TF_CHECK_PARMS1(tfp);
 
-       /* Bail if nothing has been initialized */
-       if (!init) {
-               TFP_DRV_LOG(INFO,
-                           "No Identifier DBs created\n");
-               return 0;
-       }
-
        rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
-       if (rc) {
-               TFP_DRV_LOG(ERR,
-                           "Failed to get ident_db from session, rc:%s\n",
-                           strerror(-rc));
-               return rc;
-       }
+       if (rc)
+               return 0;
        ident_db = (struct ident_rm_db *)ident_db_ptr;
 
        for (i = 0; i < TF_DIR_MAX; i++) {
+               if (ident_db->ident_db[i] == NULL)
+                       continue;
                fparms.rm_db = ident_db->ident_db[i];
                fparms.dir = i;
                rc = tf_rm_free_db(tfp, &fparms);
@@ -158,7 +146,6 @@ tf_ident_unbind(struct tf *tfp)
                ident_db->ident_db[i] = NULL;
        }
 
-       init = 0;
        shadow_init = 0;
 
        return 0;
@@ -178,13 +165,6 @@ tf_ident_alloc(struct tf *tfp __rte_unused,
 
        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;
-       }
-
        rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
        if (rc) {
                TFP_DRV_LOG(ERR,
@@ -242,13 +222,6 @@ tf_ident_free(struct tf *tfp __rte_unused,
 
        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;
-       }
-
        rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
        if (rc) {
                TFP_DRV_LOG(ERR,
@@ -329,13 +302,6 @@ tf_ident_search(struct tf *tfp __rte_unused,
 
        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",
@@ -388,3 +354,39 @@ tf_ident_search(struct tf *tfp __rte_unused,
 
        return 0;
 }
+
+int
+tf_ident_get_resc_info(struct tf *tfp,
+                      struct tf_identifier_resource_info *ident)
+{
+       int rc;
+       int d;
+       struct tf_resource_info *dinfo;
+       struct tf_rm_get_alloc_info_parms ainfo;
+       void *ident_db_ptr = NULL;
+       struct ident_rm_db *ident_db;
+
+       TF_CHECK_PARMS2(tfp, ident);
+
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
+       if (rc) {
+               TFP_DRV_LOG(INFO,
+                           "No resource allocated for ident from session\n");
+               return 0;
+       }
+       ident_db = (struct ident_rm_db *)ident_db_ptr;
+
+       /* check if reserved resource for WC is multiple of num_slices */
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               ainfo.rm_db = ident_db->ident_db[d];
+               dinfo = ident[d].info;
+
+               ainfo.info = (struct tf_rm_alloc_info *)dinfo;
+               ainfo.subtype = 0;
+               rc = tf_rm_get_all_info(&ainfo, TF_IDENT_TYPE_MAX);
+               if (rc)
+                       return rc;
+       }
+
+       return 0;
+}