net/bnxt: add resource manager

- Add TruFlow RM functionality for resource handling
- Update the TruFlow Resource Manager (RM) with resource
  support functions for debugging as well as resource cleanup.
- Add support for Internal and external pools.

Signed-off-by: Michael Wildt <michael.wildt@broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

drivers/net/bnxt/tf_core/tf_core.c

@@ -149,6 +149,20 @@ tf_open_session(struct tf                    *tfp,
 		goto cleanup_close;
 	}
 
+	/* Shadow DB configuration */
+	if (parms->shadow_copy) {
+		/* Ignore shadow_copy setting */
+		session->shadow_copy = 0;/* parms->shadow_copy; */
+#if (TF_SHADOW == 1)
+		rc = tf_rm_shadow_db_init(tfs);
+		if (rc)
+			PMD_DRV_LOG(ERR,
+				    "Shadow DB Initialization failed\n, rc:%d",
+				    rc);
+		/* Add additional processing */
+#endif /* TF_SHADOW */
+	}
+
 	/* Adjust the Session with what firmware allowed us to get */
 	rc = tf_rm_allocate_validate(tfp);
 	if (rc) {

drivers/net/bnxt/tf_core/tf_core.h

@@ -30,6 +30,32 @@ enum tf_dir {
 	TF_DIR_MAX
 };
 
+/**
+ * External pool size
+ *
+ * Defines a single pool of external action records of
+ * fixed size.  Currently, this is an index.
+ */
+#define TF_EXT_POOL_ENTRY_SZ_BYTES 1
+
+/**
+ *  External pool entry count
+ *
+ *  Defines the number of entries in the external action pool
+ */
+#define TF_EXT_POOL_ENTRY_CNT (1 * 1024)
+
+/**
+ * Number of external pools
+ */
+#define TF_EXT_POOL_CNT_MAX 1
+
+/**
+ * External pool Id
+ */
+#define TF_EXT_POOL_0      0 /**< matches TF_TBL_TYPE_EXT   */
+#define TF_EXT_POOL_1      1 /**< matches TF_TBL_TYPE_EXT_0 */
+
 /********** BEGIN API FUNCTION PROTOTYPES/PARAMETERS **********/
 
 /**

drivers/net/bnxt/tf_core/tf_session.h

@@ -12,6 +12,7 @@
 #include "bitalloc.h"
 #include "tf_core.h"
 #include "tf_rm.h"
+#include "tf_tbl.h"
 
 /** Session defines
  */
@@ -285,6 +286,15 @@ struct tf_session {
 
 	/** Lookup3 init values */
 	uint32_t lkup_lkup3_init_cfg[TF_DIR_MAX];
+
+	/** Table scope array */
+	struct tf_tbl_scope_cb tbl_scopes[TF_NUM_TBL_SCOPE];
+
+	/** Each external pool is associated with a single table scope
+	 *  For each external pool store the associated table scope in
+	 *  this data structure
+	 */
+	uint32_t ext_pool_2_scope[TF_DIR_MAX][TF_EXT_POOL_CNT_MAX];
 };
 
 #endif /* _TF_SESSION_H_ */

drivers/net/bnxt/tf_core/tf_tbl.h

@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019-2020 Broadcom
+ * All rights reserved.
+ */
+
+#ifndef _TF_TBL_H_
+#define _TF_TBL_H_
+
+#include <stdint.h>
+
+enum tf_pg_tbl_lvl {
+	PT_LVL_0,
+	PT_LVL_1,
+	PT_LVL_2,
+	PT_LVL_MAX
+};
+
+/** Invalid table scope id */
+#define TF_TBL_SCOPE_INVALID 0xffffffff
+
+/**
+ * Table Scope Control Block
+ *
+ * Holds private data for a table scope. Only one instance of a table
+ * scope with Internal EM is supported.
+ */
+struct tf_tbl_scope_cb {
+	uint32_t tbl_scope_id;
+	int index;
+	uint32_t              *ext_pool_mem[TF_DIR_MAX][TF_EXT_POOL_CNT_MAX];
+};
+
+/**
+ * Initialize table pool structure to indicate
+ * no table scope has been associated with the
+ * external pool of indexes.
+ *
+ * [in] session
+ */
+void
+tf_init_tbl_pool(struct tf_session *session);
+
+#endif /* _TF_TBL_H_ */