[dpdk-dev] [PATCH v2 05/34] net/bnxt: add initial tf core session close support

[Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>]

From: Michael Wildt <michael.wildt@broadcom.com>

- Add TruFlow session and resource support functions
- Add Truflow session close API and related message support functions
  for both session and hw resources

Signed-off-by: Michael Wildt <michael.wildt@broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/Makefile               |   1 +
 drivers/net/bnxt/tf_core/bitalloc.c     | 364 +++++++++++++++++++++++++++++
 drivers/net/bnxt/tf_core/bitalloc.h     | 119 ++++++++++
 drivers/net/bnxt/tf_core/tf_core.c      |  86 +++++++
 drivers/net/bnxt/tf_core/tf_msg.c       | 401 ++++++++++++++++++++++++++++++++
 drivers/net/bnxt/tf_core/tf_msg.h       |  42 ++++
 drivers/net/bnxt/tf_core/tf_resources.h |  24 +-
 drivers/net/bnxt/tf_core/tf_rm.h        | 113 +++++++++
 drivers/net/bnxt/tf_core/tf_session.h   |   1 +
 9 files changed, 1146 insertions(+), 5 deletions(-)
 create mode 100644 drivers/net/bnxt/tf_core/bitalloc.c
 create mode 100644 drivers/net/bnxt/tf_core/bitalloc.h

diff --git a/drivers/net/bnxt/Makefile b/drivers/net/bnxt/Makefile
index 8a68059..8474673 100644
--- a/drivers/net/bnxt/Makefile
+++ b/drivers/net/bnxt/Makefile
@@ -48,6 +48,7 @@ CFLAGS += -I$(SRCDIR) -I$(SRCDIR)/tf_core
 endif
 
 SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_core.c
+SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/bitalloc.c
 SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_msg.c
 SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tfp.c
 
diff --git a/drivers/net/bnxt/tf_core/bitalloc.c b/drivers/net/bnxt/tf_core/bitalloc.c
new file mode 100644
index 0000000..fb4df9a
--- /dev/null
+++ b/drivers/net/bnxt/tf_core/bitalloc.c
@@ -0,0 +1,364 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019-2020 Broadcom
+ * All rights reserved.
+ */
+
+#include "bitalloc.h"
+
+#define BITALLOC_MAX_LEVELS 6
+
+/* Finds the first bit set plus 1, equivalent to gcc __builtin_ffs */
+static int
+ba_ffs(bitalloc_word_t v)
+{
+	int c; /* c will be the number of zero bits on the right plus 1 */
+
+	v &= -v;
+	c = v ? 32 : 0;
+
+	if (v & 0x0000FFFF)
+		c -= 16;
+	if (v & 0x00FF00FF)
+		c -= 8;
+	if (v & 0x0F0F0F0F)
+		c -= 4;
+	if (v & 0x33333333)
+		c -= 2;
+	if (v & 0x55555555)
+		c -= 1;
+
+	return c;
+}
+
+int
+ba_init(struct bitalloc *pool, int size)
+{
+	bitalloc_word_t *mem = (bitalloc_word_t *)pool;
+	int       i;
+
+	/* Initialize */
+	pool->size = 0;
+
+	if (size < 1 || size > BITALLOC_MAX_SIZE)
+		return -1;
+
+	/* Zero structure */
+	for (i = 0;
+	     i < (int)(BITALLOC_SIZEOF(size) / sizeof(bitalloc_word_t));
+	     i++)
+		mem[i] = 0;
+
+	/* Initialize */
+	pool->size = size;
+
+	/* Embed number of words of next level, after each level */
+	int words[BITALLOC_MAX_LEVELS];
+	int lev = 0;
+	int offset = 0;
+
+	words[0] = (size + 31) / 32;
+	while (words[lev] > 1) {
+		lev++;
+		words[lev] = (words[lev - 1] + 31) / 32;
+	}
+
+	while (lev) {
+		offset += words[lev];
+		pool->storage[offset++] = words[--lev];
+	}
+
+	/* Free the entire pool */
+	for (i = 0; i < size; i++)
+		ba_free(pool, i);
+
+	return 0;
+}
+
+static int
+ba_alloc_helper(struct bitalloc *pool,
+		int              offset,
+		int              words,
+		unsigned int     size,
+		int              index,
+		int             *clear)
+{
+	bitalloc_word_t *storage = &pool->storage[offset];
+	int       loc = ba_ffs(storage[index]);
+	int       r;
+
+	if (loc == 0)
+		return -1;
+
+	loc--;
+
+	if (pool->size > size) {
+		r = ba_alloc_helper(pool,
+				    offset + words + 1,
+				    storage[words],
+				    size * 32,
+				    index * 32 + loc,
+				    clear);
+	} else {
+		r = index * 32 + loc;
+		*clear = 1;
+		pool->free_count--;
+	}
+
+	if (*clear) {
+		storage[index] &= ~(1 << loc);
+		*clear = (storage[index] == 0);
+	}
+
+	return r;
+}
+
+int
+ba_alloc(struct bitalloc *pool)
+{
+	int clear = 0;
+
+	return ba_alloc_helper(pool, 0, 1, 32, 0, &clear);
+}
+
+static int
+ba_alloc_index_helper(struct bitalloc *pool,
+		      int              offset,
+		      int              words,
+		      unsigned int     size,
+		      int             *index,
+		      int             *clear)
+{
+	bitalloc_word_t *storage = &pool->storage[offset];
+	int       loc;
+	int       r;
+
+	if (pool->size > size)
+		r = ba_alloc_index_helper(pool,
+					  offset + words + 1,
+					  storage[words],
+					  size * 32,
+					  index,
+					  clear);
+	else
+		r = 1; /* Check if already allocated */
+
+	loc = (*index % 32);
+	*index = *index / 32;
+
+	if (r == 1) {
+		r = (storage[*index] & (1 << loc)) ? 0 : -1;
+		if (r == 0) {
+			*clear = 1;
+			pool->free_count--;
+		}
+	}
+
+	if (*clear) {
+		storage[*index] &= ~(1 << loc);
+		*clear = (storage[*index] == 0);
+	}
+
+	return r;
+}
+
+int
+ba_alloc_index(struct bitalloc *pool, int index)
+{
+	int clear = 0;
+	int index_copy = index;
+
+	if (index < 0 || index >= (int)pool->size)
+		return -1;
+
+	if (ba_alloc_index_helper(pool, 0, 1, 32, &index_copy, &clear) >= 0)
+		return index;
+	else
+		return -1;
+}
+
+static int
+ba_inuse_helper(struct bitalloc *pool,
+		int              offset,
+		int              words,
+		unsigned int     size,
+		int             *index)
+{
+	bitalloc_word_t *storage = &pool->storage[offset];
+	int       loc;
+	int       r;
+
+	if (pool->size > size)
+		r = ba_inuse_helper(pool,
+				    offset + words + 1,
+				    storage[words],
+				    size * 32,
+				    index);
+	else
+		r = 1; /* Check if in use */
+
+	loc = (*index % 32);
+	*index = *index / 32;
+
+	if (r == 1)
+		r = (storage[*index] & (1 << loc)) ? -1 : 0;
+
+	return r;
+}
+
+int
+ba_inuse(struct bitalloc *pool, int index)
+{
+	if (index < 0 || index >= (int)pool->size)
+		return -1;
+
+	return ba_inuse_helper(pool, 0, 1, 32, &index) == 0;
+}
+
+static int
+ba_free_helper(struct bitalloc *pool,
+	       int              offset,
+	       int              words,
+	       unsigned int     size,
+	       int             *index)
+{
+	bitalloc_word_t *storage = &pool->storage[offset];
+	int       loc;
+	int       r;
+
+	if (pool->size > size)
+		r = ba_free_helper(pool,
+				   offset + words + 1,
+				   storage[words],
+				   size * 32,
+				   index);
+	else
+		r = 1; /* Check if already free */
+
+	loc = (*index % 32);
+	*index = *index / 32;
+
+	if (r == 1) {
+		r = (storage[*index] & (1 << loc)) ? -1 : 0;
+		if (r == 0)
+			pool->free_count++;
+	}
+
+	if (r == 0)
+		storage[*index] |= (1 << loc);
+
+	return r;
+}
+
+int
+ba_free(struct bitalloc *pool, int index)
+{
+	if (index < 0 || index >= (int)pool->size)
+		return -1;
+
+	return ba_free_helper(pool, 0, 1, 32, &index);
+}
+
+int
+ba_inuse_free(struct bitalloc *pool, int index)
+{
+	if (index < 0 || index >= (int)pool->size)
+		return -1;
+
+	return ba_free_helper(pool, 0, 1, 32, &index) + 1;
+}
+
+int
+ba_free_count(struct bitalloc *pool)
+{
+	return (int)pool->free_count;
+}
+
+int ba_inuse_count(struct bitalloc *pool)
+{
+	return (int)(pool->size) - (int)(pool->free_count);
+}
+
+static int
+ba_find_next_helper(struct bitalloc *pool,
+		    int              offset,
+		    int              words,
+		    unsigned int     size,
+		    int             *index,
+		    int              free)
+{
+	bitalloc_word_t *storage = &pool->storage[offset];
+	int       loc, r, bottom = 0;
+
+	if (pool->size > size)
+		r = ba_find_next_helper(pool,
+					offset + words + 1,
+					storage[words],
+					size * 32,
+					index,
+					free);
+	else
+		bottom = 1; /* Bottom of tree */
+
+	loc = (*index % 32);
+	*index = *index / 32;
+
+	if (bottom) {
+		int bit_index = *index * 32;
+
+		loc = ba_ffs(~storage[*index] & ((bitalloc_word_t)-1 << loc));
+		if (loc > 0) {
+			loc--;
+			r = (bit_index + loc);
+			if (r >= (int)pool->size)
+				r = -1;
+		} else {
+			/* Loop over array at bottom of tree */
+			r = -1;
+			bit_index += 32;
+			*index = *index + 1;
+			while ((int)pool->size > bit_index) {
+				loc = ba_ffs(~storage[*index]);
+
+				if (loc > 0) {
+					loc--;
+					r = (bit_index + loc);
+					if (r >= (int)pool->size)
+						r = -1;
+					break;
+				}
+				bit_index += 32;
+				*index = *index + 1;
+			}
+		}
+	}
+
+	if (r >= 0 && (free)) {
+		if (bottom)
+			pool->free_count++;
+		storage[*index] |= (1 << loc);
+	}
+
+	return r;
+}
+
+int
+ba_find_next_inuse(struct bitalloc *pool, int index)
+{
+	if (index < 0 ||
+	    index >= (int)pool->size ||
+	    pool->free_count == pool->size)
+		return -1;
+
+	return ba_find_next_helper(pool, 0, 1, 32, &index, 0);
+}
+
+int
+ba_find_next_inuse_free(struct bitalloc *pool, int index)
+{
+	if (index < 0 ||
+	    index >= (int)pool->size ||
+	    pool->free_count == pool->size)
+		return -1;
+
+	return ba_find_next_helper(pool, 0, 1, 32, &index, 1);
+}
diff --git a/drivers/net/bnxt/tf_core/bitalloc.h b/drivers/net/bnxt/tf_core/bitalloc.h
new file mode 100644
index 0000000..563c853
--- /dev/null
+++ b/drivers/net/bnxt/tf_core/bitalloc.h
@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019-2020 Broadcom
+ * All rights reserved.
+ */
+
+#ifndef _BITALLOC_H_
+#define _BITALLOC_H_
+
+#include <stdint.h>
+
+/* Bitalloc works on uint32_t as its word size */
+typedef uint32_t bitalloc_word_t;
+
+struct bitalloc {
+	bitalloc_word_t size;
+	bitalloc_word_t free_count;
+	bitalloc_word_t storage[1];
+};
+
+#define BA_L0(s) (((s) + 31) / 32)
+#define BA_L1(s) ((BA_L0(s) + 31) / 32)
+#define BA_L2(s) ((BA_L1(s) + 31) / 32)
+#define BA_L3(s) ((BA_L2(s) + 31) / 32)
+#define BA_L4(s) ((BA_L3(s) + 31) / 32)
+
+#define BITALLOC_SIZEOF(size)                                    \
+	(sizeof(struct bitalloc) *				 \
+	 (((sizeof(struct bitalloc) +				 \
+	    sizeof(struct bitalloc) - 1 +			 \
+	    (sizeof(bitalloc_word_t) *				 \
+	     ((BA_L0(size) - 1) +				 \
+	      ((BA_L0(size) == 1) ? 0 : (BA_L1(size) + 1)) +	 \
+	      ((BA_L1(size) == 1) ? 0 : (BA_L2(size) + 1)) +	 \
+	      ((BA_L2(size) == 1) ? 0 : (BA_L3(size) + 1)) +	 \
+	      ((BA_L3(size) == 1) ? 0 : (BA_L4(size) + 1)))))) / \
+	  sizeof(struct bitalloc)))
+
+#define BITALLOC_MAX_SIZE (32 * 32 * 32 * 32 * 32 * 32)
+
+/* The instantiation of a bitalloc looks a bit odd. Since a
+ * bit allocator has variable storage, we need a way to get a
+ * a pointer to a bitalloc structure that points to the correct
+ * amount of storage. We do this by creating an array of
+ * bitalloc where the first element in the array is the
+ * actual bitalloc base structure, and the remaining elements
+ * in the array provide the storage for it. This approach allows
+ * instances to be individual variables or members of larger
+ * structures.
+ */
+#define BITALLOC_INST(name, size)                      \
+	struct bitalloc name[(BITALLOC_SIZEOF(size) /  \
+			      sizeof(struct bitalloc))]
+
+/* Symbolic return codes */
+#define BA_SUCCESS           0
+#define BA_FAIL             -1
+#define BA_ENTRY_FREE        0
+#define BA_ENTRY_IN_USE      1
+#define BA_NO_ENTRY_FOUND   -1
+
+/**
+ * Initializates the bitallocator
+ *
+ * Returns 0 on success, -1 on failure.  Size is arbitrary up to
+ * BITALLOC_MAX_SIZE
+ */
+int ba_init(struct bitalloc *pool, int size);
+
+/**
+ * Returns -1 on failure, or index of allocated entry
+ */
+int ba_alloc(struct bitalloc *pool);
+int ba_alloc_index(struct bitalloc *pool, int index);
+
+/**
+ * Query a particular index in a pool to check if its in use.
+ *
+ * Returns -1 on invalid index, 1 if the index is allocated, 0 if it
+ * is free
+ */
+int ba_inuse(struct bitalloc *pool, int index);
+
+/**
+ * Variant of ba_inuse that frees the index if it is allocated, same
+ * return codes as ba_inuse
+ */
+int ba_inuse_free(struct bitalloc *pool, int index);
+
+/**
+ * Find next index that is in use, start checking at index 'idx'
+ *
+ * Returns next index that is in use on success, or
+ * -1 if no in use index is found
+ */
+int ba_find_next_inuse(struct bitalloc *pool, int idx);
+
+/**
+ * Variant of ba_find_next_inuse that also frees the next in use index,
+ * same return codes as ba_find_next_inuse
+ */
+int ba_find_next_inuse_free(struct bitalloc *pool, int idx);
+
+/**
+ * Multiple freeing of the same index has no negative side effects,
+ * but will return -1.  returns -1 on failure, 0 on success.
+ */
+int ba_free(struct bitalloc *pool, int index);
+
+/**
+ * Returns the pool's free count
+ */
+int ba_free_count(struct bitalloc *pool);
+
+/**
+ * Returns the pool's in use count
+ */
+int ba_inuse_count(struct bitalloc *pool);
+
+#endif /* _BITALLOC_H_ */
diff --git a/drivers/net/bnxt/tf_core/tf_core.c b/drivers/net/bnxt/tf_core/tf_core.c
index 6bafae5..3c5d55d 100644
--- a/drivers/net/bnxt/tf_core/tf_core.c
+++ b/drivers/net/bnxt/tf_core/tf_core.c
@@ -7,10 +7,18 @@
 
 #include "tf_core.h"
 #include "tf_session.h"
+#include "tf_rm.h"
 #include "tf_msg.h"
 #include "tfp.h"
+#include "bitalloc.h"
 #include "bnxt.h"
 
+static inline uint32_t SWAP_WORDS32(uint32_t val32)
+{
+	return (((val32 & 0x0000ffff) << 16) |
+		((val32 & 0xffff0000) >> 16));
+}
+
 int
 tf_open_session(struct tf                    *tfp,
 		struct tf_open_session_parms *parms)
@@ -141,5 +149,83 @@ tf_open_session(struct tf                    *tfp,
 	return rc;
 
  cleanup_close:
+	tf_close_session(tfp);
 	return -EINVAL;
 }
+
+int
+tf_attach_session(struct tf *tfp __rte_unused,
+		  struct tf_attach_session_parms *parms __rte_unused)
+{
+#if (TF_SHARED == 1)
+	int rc;
+
+	if (tfp == NULL)
+		return -EINVAL;
+
+	/* - Open the shared memory for the attach_chan_name
+	 * - Point to the shared session for this Device instance
+	 * - Check that session is valid
+	 * - Attach to the firmware so it can record there is more
+	 *   than one client of the session.
+	 */
+
+	if (tfp->session) {
+		if (tfp->session->session_id.id != TF_SESSION_ID_INVALID) {
+			rc = tf_msg_session_attach(tfp,
+						   parms->ctrl_chan_name,
+						   parms->session_id);
+		}
+	}
+#endif /* TF_SHARED */
+	return -1;
+}
+
+int
+tf_close_session(struct tf *tfp)
+{
+	int rc;
+	int rc_close = 0;
+	struct tf_session *tfs;
+	union tf_session_id session_id;
+
+	if (tfp == NULL || tfp->session == NULL)
+		return -EINVAL;
+
+	tfs = (struct tf_session *)(tfp->session->core_data);
+
+	if (tfs->session_id.id != TF_SESSION_ID_INVALID) {
+		rc = tf_msg_session_close(tfp);
+		if (rc) {
+			/* Log error */
+			PMD_DRV_LOG(ERR,
+				    "Message send failed, rc:%d\n",
+				    rc);
+		}
+
+		/* Update the ref_count */
+		tfs->ref_count--;
+	}
+
+	session_id = tfs->session_id;
+
+	/* Final cleanup as we're last user of the session */
+	if (tfs->ref_count == 0) {
+		tfp_free(tfp->session->core_data);
+		tfp_free(tfp->session);
+		tfp->session = NULL;
+	}
+
+	PMD_DRV_LOG(INFO,
+		    "Session closed, session_id:%d\n",
+		    session_id.id);
+
+	PMD_DRV_LOG(INFO,
+		    "domain:%d, bus:%d, device:%d, fw_session_id:%d\n",
+		    session_id.internal.domain,
+		    session_id.internal.bus,
+		    session_id.internal.device,
+		    session_id.internal.fw_session_id);
+
+	return rc_close;
+}
diff --git a/drivers/net/bnxt/tf_core/tf_msg.c b/drivers/net/bnxt/tf_core/tf_msg.c
index 2b68681..e05aea7 100644
--- a/drivers/net/bnxt/tf_core/tf_msg.c
+++ b/drivers/net/bnxt/tf_core/tf_msg.c
@@ -18,6 +18,82 @@
 #include "hwrm_tf.h"
 
 /**
+ * Endian converts min and max values from the HW response to the query
+ */
+#define TF_HW_RESP_TO_QUERY(query, index, response, element) do {            \
+	(query)->hw_query[index].min =                                       \
+		tfp_le_to_cpu_16(response. element ## _min);                 \
+	(query)->hw_query[index].max =                                       \
+		tfp_le_to_cpu_16(response. element ## _max);                 \
+} while (0)
+
+/**
+ * Endian converts the number of entries from the alloc to the request
+ */
+#define TF_HW_ALLOC_TO_REQ(alloc, index, request, element)                   \
+	(request. num_ ## element = tfp_cpu_to_le_16((alloc)->hw_num[index]))
+
+/**
+ * Endian converts the start and stride value from the free to the request
+ */
+#define TF_HW_FREE_TO_REQ(hw_entry, index, request, element) do {            \
+	request.element ## _start =                                          \
+		tfp_cpu_to_le_16(hw_entry[index].start);                     \
+	request.element ## _stride =                                         \
+		tfp_cpu_to_le_16(hw_entry[index].stride);                    \
+} while (0)
+
+/**
+ * Endian converts the start and stride from the HW response to the
+ * alloc
+ */
+#define TF_HW_RESP_TO_ALLOC(hw_entry, index, response, element) do {         \
+	hw_entry[index].start =                                              \
+		tfp_le_to_cpu_16(response.element ## _start);                \
+	hw_entry[index].stride =                                             \
+		tfp_le_to_cpu_16(response.element ## _stride);               \
+} while (0)
+
+/**
+ * Endian converts min and max values from the SRAM response to the
+ * query
+ */
+#define TF_SRAM_RESP_TO_QUERY(query, index, response, element) do {          \
+	(query)->sram_query[index].min =                                     \
+		tfp_le_to_cpu_16(response.element ## _min);                  \
+	(query)->sram_query[index].max =                                     \
+		tfp_le_to_cpu_16(response.element ## _max);                  \
+} while (0)
+
+/**
+ * Endian converts the number of entries from the action (alloc) to
+ * the request
+ */
+#define TF_SRAM_ALLOC_TO_REQ(action, index, request, element)                \
+	(request. num_ ## element = tfp_cpu_to_le_16((action)->sram_num[index]))
+
+/**
+ * Endian converts the start and stride value from the free to the request
+ */
+#define TF_SRAM_FREE_TO_REQ(sram_entry, index, request, element) do {        \
+	request.element ## _start =                                          \
+		tfp_cpu_to_le_16(sram_entry[index].start);                   \
+	request.element ## _stride =                                         \
+		tfp_cpu_to_le_16(sram_entry[index].stride);                  \
+} while (0)
+
+/**
+ * Endian converts the start and stride from the HW response to the
+ * alloc
+ */
+#define TF_SRAM_RESP_TO_ALLOC(sram_entry, index, response, element) do {     \
+	sram_entry[index].start =                                            \
+		tfp_le_to_cpu_16(response.element ## _start);                \
+	sram_entry[index].stride =                                           \
+		tfp_le_to_cpu_16(response.element ## _stride);               \
+} while (0)
+
+/**
  * Sends session open request to TF Firmware
  */
 int
@@ -51,6 +127,45 @@ tf_msg_session_open(struct tf *tfp,
 }
 
 /**
+ * Sends session attach request to TF Firmware
+ */
+int
+tf_msg_session_attach(struct tf *tfp __rte_unused,
+		      char *ctrl_chan_name __rte_unused,
+		      uint8_t tf_fw_session_id __rte_unused)
+{
+	return -1;
+}
+
+/**
+ * Sends session close request to TF Firmware
+ */
+int
+tf_msg_session_close(struct tf *tfp)
+{
+	int rc;
+	struct hwrm_tf_session_close_input req = { 0 };
+	struct hwrm_tf_session_close_output resp = { 0 };
+	struct tf_session *tfs = (struct tf_session *)(tfp->session->core_data);
+	struct tfp_send_msg_parms parms = { 0 };
+
+	/* Populate the request */
+	req.fw_session_id =
+		tfp_cpu_to_le_32(tfs->session_id.internal.fw_session_id);
+
+	parms.tf_type = HWRM_TF_SESSION_CLOSE;
+	parms.req_data = (uint32_t *)&req;
+	parms.req_size = sizeof(req);
+	parms.resp_data = (uint32_t *)&resp;
+	parms.resp_size = sizeof(resp);
+	parms.mailbox = TF_KONG_MB;
+
+	rc = tfp_send_msg_direct(tfp,
+				 &parms);
+	return rc;
+}
+
+/**
  * Sends session query config request to TF Firmware
  */
 int
@@ -77,3 +192,289 @@ tf_msg_session_qcfg(struct tf *tfp)
 				 &parms);
 	return rc;
 }
+
+/**
+ * Sends session HW resource query capability request to TF Firmware
+ */
+int
+tf_msg_session_hw_resc_qcaps(struct tf *tfp,
+			     enum tf_dir dir,
+			     struct tf_rm_hw_query *query)
+{
+	int rc;
+	struct tfp_send_msg_parms parms = { 0 };
+	struct tf_session_hw_resc_qcaps_input req = { 0 };
+	struct tf_session_hw_resc_qcaps_output resp = { 0 };
+	struct tf_session *tfs = (struct tf_session *)(tfp->session->core_data);
+
+	memset(query, 0, sizeof(*query));
+
+	/* Populate the request */
+	req.fw_session_id =
+		tfp_cpu_to_le_32(tfs->session_id.internal.fw_session_id);
+	req.flags = tfp_cpu_to_le_16(dir);
+
+	MSG_PREP(parms,
+		 TF_KONG_MB,
+		 HWRM_TF,
+		 HWRM_TFT_SESSION_HW_RESC_QCAPS,
+		 req,
+		 resp);
+
+	rc = tfp_send_msg_tunneled(tfp, &parms);
+	if (rc)
+		return rc;
+
+	/* Process the response */
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_L2_CTXT_TCAM, resp,
+			    l2_ctx_tcam_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_PROF_FUNC, resp,
+			    prof_func);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_PROF_TCAM, resp,
+			    prof_tcam_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_EM_PROF_ID, resp,
+			    em_prof_id);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_EM_REC, resp,
+			    em_record_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_WC_TCAM_PROF_ID, resp,
+			    wc_tcam_prof_id);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_WC_TCAM, resp,
+			    wc_tcam_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_METER_PROF, resp,
+			    meter_profiles);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_METER_INST,
+			    resp, meter_inst);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_MIRROR, resp,
+			    mirrors);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_UPAR, resp,
+			    upar);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_SP_TCAM, resp,
+			    sp_tcam_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_L2_FUNC, resp,
+			    l2_func);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_FKB, resp,
+			    flex_key_templ);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_TBL_SCOPE, resp,
+			    tbl_scope);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_EPOCH0, resp,
+			    epoch0_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_EPOCH1, resp,
+			    epoch1_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_METADATA, resp,
+			    metadata);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_CT_STATE, resp,
+			    ct_state);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_RANGE_PROF, resp,
+			    range_prof);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_RANGE_ENTRY, resp,
+			    range_entries);
+	TF_HW_RESP_TO_QUERY(query, TF_RESC_TYPE_HW_LAG_ENTRY, resp,
+			    lag_tbl_entries);
+
+	return tfp_le_to_cpu_32(parms.tf_resp_code);
+}
+
+/**
+ * Sends session HW resource allocation request to TF Firmware
+ */
+int
+tf_msg_session_hw_resc_alloc(struct tf *tfp __rte_unused,
+			     enum tf_dir dir,
+			     struct tf_rm_hw_alloc *hw_alloc __rte_unused,
+			     struct tf_rm_entry *hw_entry __rte_unused)
+{
+	int rc;
+	struct tfp_send_msg_parms parms = { 0 };
+	struct tf_session_hw_resc_alloc_input req = { 0 };
+	struct tf_session_hw_resc_alloc_output resp = { 0 };
+	struct tf_session *tfs = (struct tf_session *)(tfp->session->core_data);
+
+	memset(hw_entry, 0, sizeof(*hw_entry));
+
+	/* Populate the request */
+	req.fw_session_id =
+		tfp_cpu_to_le_32(tfs->session_id.internal.fw_session_id);
+	req.flags = tfp_cpu_to_le_16(dir);
+
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_L2_CTXT_TCAM, req,
+			   l2_ctx_tcam_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_PROF_FUNC, req,
+			   prof_func_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_PROF_TCAM, req,
+			   prof_tcam_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_EM_PROF_ID, req,
+			   em_prof_id);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_EM_REC, req,
+			   em_record_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_WC_TCAM_PROF_ID, req,
+			   wc_tcam_prof_id);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_WC_TCAM, req,
+			   wc_tcam_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_METER_PROF, req,
+			   meter_profiles);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_METER_INST, req,
+			   meter_inst);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_MIRROR, req,
+			   mirrors);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_UPAR, req,
+			   upar);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_SP_TCAM, req,
+			   sp_tcam_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_L2_FUNC, req,
+			   l2_func);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_FKB, req,
+			   flex_key_templ);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_TBL_SCOPE, req,
+			   tbl_scope);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_EPOCH0, req,
+			   epoch0_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_EPOCH1, req,
+			   epoch1_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_METADATA, req,
+			   metadata);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_CT_STATE, req,
+			   ct_state);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_RANGE_PROF, req,
+			   range_prof);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_RANGE_ENTRY, req,
+			   range_entries);
+	TF_HW_ALLOC_TO_REQ(hw_alloc, TF_RESC_TYPE_HW_LAG_ENTRY, req,
+			   lag_tbl_entries);
+
+	MSG_PREP(parms,
+		 TF_KONG_MB,
+		 HWRM_TF,
+		 HWRM_TFT_SESSION_HW_RESC_ALLOC,
+		 req,
+		 resp);
+
+	rc = tfp_send_msg_tunneled(tfp, &parms);
+	if (rc)
+		return rc;
+
+	/* Process the response */
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_L2_CTXT_TCAM, resp,
+			    l2_ctx_tcam_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_PROF_FUNC, resp,
+			    prof_func);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_PROF_TCAM, resp,
+			    prof_tcam_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_EM_PROF_ID, resp,
+			    em_prof_id);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_EM_REC, resp,
+			    em_record_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_WC_TCAM_PROF_ID, resp,
+			    wc_tcam_prof_id);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_WC_TCAM, resp,
+			    wc_tcam_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_METER_PROF, resp,
+			    meter_profiles);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_METER_INST, resp,
+			    meter_inst);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_MIRROR, resp,
+			    mirrors);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_UPAR, resp,
+			    upar);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_SP_TCAM, resp,
+			    sp_tcam_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_L2_FUNC, resp,
+			    l2_func);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_FKB, resp,
+			    flex_key_templ);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_TBL_SCOPE, resp,
+			    tbl_scope);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_EPOCH0, resp,
+			    epoch0_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_EPOCH1, resp,
+			    epoch1_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_METADATA, resp,
+			    metadata);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_CT_STATE, resp,
+			    ct_state);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_RANGE_PROF, resp,
+			    range_prof);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_RANGE_ENTRY, resp,
+			    range_entries);
+	TF_HW_RESP_TO_ALLOC(hw_entry, TF_RESC_TYPE_HW_LAG_ENTRY, resp,
+			    lag_tbl_entries);
+
+	return tfp_le_to_cpu_32(parms.tf_resp_code);
+}
+
+/**
+ * Sends session HW resource free request to TF Firmware
+ */
+int
+tf_msg_session_hw_resc_free(struct tf *tfp,
+			    enum tf_dir dir,
+			    struct tf_rm_entry *hw_entry)
+{
+	int rc;
+	struct tfp_send_msg_parms parms = { 0 };
+	struct tf_session_hw_resc_free_input req = { 0 };
+	struct tf_session *tfs = (struct tf_session *)(tfp->session->core_data);
+
+	memset(hw_entry, 0, sizeof(*hw_entry));
+
+	/* Populate the request */
+	req.fw_session_id =
+		tfp_cpu_to_le_32(tfs->session_id.internal.fw_session_id);
+	req.flags = tfp_cpu_to_le_16(dir);
+
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_L2_CTXT_TCAM, req,
+			  l2_ctx_tcam_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_PROF_FUNC, req,
+			  prof_func);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_PROF_TCAM, req,
+			  prof_tcam_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_EM_PROF_ID, req,
+			  em_prof_id);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_EM_REC, req,
+			  em_record_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_WC_TCAM_PROF_ID, req,
+			  wc_tcam_prof_id);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_WC_TCAM, req,
+			  wc_tcam_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_METER_PROF, req,
+			  meter_profiles);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_METER_INST, req,
+			  meter_inst);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_MIRROR, req,
+			  mirrors);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_UPAR, req,
+			  upar);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_SP_TCAM, req,
+			  sp_tcam_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_L2_FUNC, req,
+			  l2_func);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_FKB, req,
+			  flex_key_templ);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_TBL_SCOPE, req,
+			  tbl_scope);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_EPOCH0, req,
+			  epoch0_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_EPOCH1, req,
+			  epoch1_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_METADATA, req,
+			  metadata);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_CT_STATE, req,
+			  ct_state);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_RANGE_PROF, req,
+			  range_prof);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_RANGE_ENTRY, req,
+			  range_entries);
+	TF_HW_FREE_TO_REQ(hw_entry, TF_RESC_TYPE_HW_LAG_ENTRY, req,
+			  lag_tbl_entries);
+
+	MSG_PREP_NO_RESP(parms,
+			 TF_KONG_MB,
+			 HWRM_TF,
+			 HWRM_TFT_SESSION_HW_RESC_FREE,
+			 req);
+
+	rc = tfp_send_msg_tunneled(tfp, &parms);
+	if (rc)
+		return rc;
+
+	return tfp_le_to_cpu_32(parms.tf_resp_code);
+}
diff --git a/drivers/net/bnxt/tf_core/tf_msg.h b/drivers/net/bnxt/tf_core/tf_msg.h
index 20ebf2e..da5ccf3 100644
--- a/drivers/net/bnxt/tf_core/tf_msg.h
+++ b/drivers/net/bnxt/tf_core/tf_msg.h
@@ -30,6 +30,34 @@ int tf_msg_session_open(struct tf *tfp,
 			uint8_t *fw_session_id);
 
 /**
+ * Sends session close request to Firmware
+ *
+ * [in] session
+ *   Pointer to session handle
+ *
+ * [in] fw_session_id
+ *   Pointer to the fw_session_id that is assigned to the session at
+ *   time of session open
+ *
+ * Returns:
+ *
+ */
+int tf_msg_session_attach(struct tf *tfp,
+			  char *ctrl_channel_name,
+			  uint8_t tf_fw_session_id);
+
+/**
+ * Sends session close request to Firmware
+ *
+ * [in] session
+ *   Pointer to session handle
+ *
+ * Returns:
+ *
+ */
+int tf_msg_session_close(struct tf *tfp);
+
+/**
  * Sends session query config request to TF Firmware
  */
 int tf_msg_session_qcfg(struct tf *tfp);
@@ -41,4 +69,18 @@ int tf_msg_session_hw_resc_qcaps(struct tf *tfp,
 				 enum tf_dir dir,
 				 struct tf_rm_hw_query *hw_query);
 
+/**
+ * Sends session HW resource allocation request to TF Firmware
+ */
+int tf_msg_session_hw_resc_alloc(struct tf *tfp,
+				 enum tf_dir dir,
+				 struct tf_rm_hw_alloc *hw_alloc,
+				 struct tf_rm_entry *hw_entry);
+
+/**
+ * Sends session HW resource free request to TF Firmware
+ */
+int tf_msg_session_hw_resc_free(struct tf *tfp,
+				enum tf_dir dir,
+				struct tf_rm_entry *hw_entry);
 #endif  /* _TF_MSG_H_ */
diff --git a/drivers/net/bnxt/tf_core/tf_resources.h b/drivers/net/bnxt/tf_core/tf_resources.h
index 160abac..8dbb2f9 100644
--- a/drivers/net/bnxt/tf_core/tf_resources.h
+++ b/drivers/net/bnxt/tf_core/tf_resources.h
@@ -6,11 +6,6 @@
 #ifndef _TF_RESOURCES_H_
 #define _TF_RESOURCES_H_
 
-/*
- * Hardware specific MAX values
- * NOTE: Should really come from the chip_cfg.h in some MAX form or HCAPI
- */
-
 /** HW Resource types
  */
 enum tf_resource_type_hw {
@@ -43,4 +38,23 @@ enum tf_resource_type_hw {
 	TF_RESC_TYPE_HW_LAG_ENTRY,
 	TF_RESC_TYPE_HW_MAX
 };
+
+/** HW Resource types
+ */
+enum tf_resource_type_sram {
+	TF_RESC_TYPE_SRAM_FULL_ACTION,
+	TF_RESC_TYPE_SRAM_MCG,
+	TF_RESC_TYPE_SRAM_ENCAP_8B,
+	TF_RESC_TYPE_SRAM_ENCAP_16B,
+	TF_RESC_TYPE_SRAM_ENCAP_64B,
+	TF_RESC_TYPE_SRAM_SP_SMAC,
+	TF_RESC_TYPE_SRAM_SP_SMAC_IPV4,
+	TF_RESC_TYPE_SRAM_SP_SMAC_IPV6,
+	TF_RESC_TYPE_SRAM_COUNTER_64B,
+	TF_RESC_TYPE_SRAM_NAT_SPORT,
+	TF_RESC_TYPE_SRAM_NAT_DPORT,
+	TF_RESC_TYPE_SRAM_NAT_S_IPV4,
+	TF_RESC_TYPE_SRAM_NAT_D_IPV4,
+	TF_RESC_TYPE_SRAM_MAX
+};
 #endif /* _TF_RESOURCES_H_ */
diff --git a/drivers/net/bnxt/tf_core/tf_rm.h b/drivers/net/bnxt/tf_core/tf_rm.h
index 5164d6b..57ce19b 100644
--- a/drivers/net/bnxt/tf_core/tf_rm.h
+++ b/drivers/net/bnxt/tf_core/tf_rm.h
@@ -8,10 +8,52 @@
 
 #include "tf_resources.h"
 #include "tf_core.h"
+#include "bitalloc.h"
 
 struct tf;
 struct tf_session;
 
+/* Internal macro to determine appropriate allocation pools based on
+ * DIRECTION parm, also performs error checking for DIRECTION parm. The
+ * SESSION_POOL and SESSION pointers are set appropriately upon
+ * successful return (the GLOBAL_POOL is used to globally manage
+ * resource allocation and the SESSION_POOL is used to track the
+ * resources that have been allocated to the session)
+ *
+ * parameters:
+ *   struct tfp        *tfp
+ *   enum tf_dir        direction
+ *   struct bitalloc  **session_pool
+ *   string             base_pool_name - used to form pointers to the
+ *					 appropriate bit allocation
+ *					 pools, both directions of the
+ *					 session pools must have same
+ *					 base name, for example if
+ *					 POOL_NAME is feat_pool: - the
+ *					 ptr's to the session pools
+ *					 are feat_pool_rx feat_pool_tx
+ *
+ *  int                  rc - return code
+ *			      0 - Success
+ *			     -1 - invalid DIRECTION parm
+ */
+#define TF_RM_GET_POOLS(tfs, direction, session_pool, pool_name, rc) do { \
+		(rc) = 0;						\
+		if ((direction) == TF_DIR_RX) {				\
+			*(session_pool) = (tfs)->pool_name ## _RX;	\
+		} else if ((direction) == TF_DIR_TX) {			\
+			*(session_pool) = (tfs)->pool_name ## _TX;	\
+		} else {						\
+			rc = -1;					\
+		}							\
+	} while (0)
+
+#define TF_RM_GET_POOLS_RX(tfs, session_pool, pool_name)	\
+	(*(session_pool) = (tfs)->pool_name ## _RX)
+
+#define TF_RM_GET_POOLS_TX(tfs, session_pool, pool_name)	\
+	(*(session_pool) = (tfs)->pool_name ## _TX)
+
 /**
  * Resource query single entry
  */
@@ -23,6 +65,16 @@ struct tf_rm_query_entry {
 };
 
 /**
+ * Resource single entry
+ */
+struct tf_rm_entry {
+	/** Starting index of the allocated resource */
+	uint16_t start;
+	/** Number of allocated elements */
+	uint16_t stride;
+};
+
+/**
  * Resource query array of HW entities
  */
 struct tf_rm_hw_query {
@@ -30,4 +82,65 @@ struct tf_rm_hw_query {
 	struct tf_rm_query_entry hw_query[TF_RESC_TYPE_HW_MAX];
 };
 
+/**
+ * Resource allocation array of HW entities
+ */
+struct tf_rm_hw_alloc {
+	/** array of HW resource entries */
+	uint16_t hw_num[TF_RESC_TYPE_HW_MAX];
+};
+
+/**
+ * Resource query array of SRAM entities
+ */
+struct tf_rm_sram_query {
+	/** array of SRAM resource entries */
+	struct tf_rm_query_entry sram_query[TF_RESC_TYPE_SRAM_MAX];
+};
+
+/**
+ * Resource allocation array of SRAM entities
+ */
+struct tf_rm_sram_alloc {
+	/** array of SRAM resource entries */
+	uint16_t sram_num[TF_RESC_TYPE_SRAM_MAX];
+};
+
+/**
+ * Initializes the Resource Manager and the associated database
+ * entries for HW and SRAM resources. Must be called before any other
+ * Resource Manager functions.
+ *
+ * [in] tfp
+ *   Pointer to TF handle
+ */
+void tf_rm_init(struct tf *tfp);
+
+/**
+ * Allocates and validates both HW and SRAM resources per the NVM
+ * configuration. If any allocation fails all resources for the
+ * session is deallocated.
+ *
+ * [in] tfp
+ *   Pointer to TF handle
+ *
+ * Returns
+ *   - (0) if successful.
+ *   - (-EINVAL) on failure.
+ */
+int tf_rm_allocate_validate(struct tf *tfp);
+
+/**
+ * Closes the Resource Manager and frees all allocated resources per
+ * the associated database.
+ *
+ * [in] tfp
+ *   Pointer to TF handle
+ *
+ * Returns
+ *   - (0) if successful.
+ *   - (-EINVAL) on failure.
+ *   - (-ENOTEMPTY) if resources are not cleaned up before close
+ */
+int tf_rm_close(struct tf *tfp);
 #endif /* TF_RM_H_ */
diff --git a/drivers/net/bnxt/tf_core/tf_session.h b/drivers/net/bnxt/tf_core/tf_session.h
index c30ebbe..f845984 100644
--- a/drivers/net/bnxt/tf_core/tf_session.h
+++ b/drivers/net/bnxt/tf_core/tf_session.h
@@ -9,6 +9,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+#include "bitalloc.h"
 #include "tf_core.h"
 #include "tf_rm.h"
 
-- 
2.7.4