Patchwork [06/11] benet: hwlib ethernet queue create/destroy and mgmt routines

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Submitter Sathya Perla
Date Dec. 9, 2008, 2:20 p.m.
Message ID <1228832431.6435.99.camel@sperla-laptop>
Download mbox | patch
Permalink /patch/12952/
State Changes Requested
Delegated to: David Miller
Headers show

Comments

Sathya Perla - Dec. 9, 2008, 2:20 p.m.
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
---
 drivers/net/benet/eth.c | 1273 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 1273 insertions(+), 0 deletions(-)
 create mode 100644 drivers/net/benet/eth.c

Patch

diff --git a/drivers/net/benet/eth.c b/drivers/net/benet/eth.c
new file mode 100644
index 0000000..f641b62
--- /dev/null
+++ b/drivers/net/benet/eth.c
@@ -0,0 +1,1273 @@ 
+/*
+ * Copyright (C) 2005 - 2008 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+#include <linux/if_ether.h>
+#include "hwlib.h"
+#include "bestatus.h"
+
+/*
+ *---------------------------------------------------------
+ * Function: be_eth_sq_create_ex
+ *   Creates an ethernet send ring - extended version with
+ *   additional parameters.
+ * pfob -
+ * rd             - ring address
+ * length_in_bytes -
+ * type            - The type of ring to create.
+ * ulp             - The requested ULP number for the ring.
+ * 		     This should be zero based, i.e. 0,1,2. This must
+ * 		     be valid NIC ULP based on the firmware config.
+ *                   All doorbells for this ring must be sent to
+ *                   this ULP. The first network ring allocated for
+ *                   each ULP are higher performance than subsequent rings.
+ * cq_object       - cq object for completions
+ * ex_parameters   - Additional parameters (that may increase in
+ * 		     future revisions). These parameters are only used
+ * 		     for certain ring types -- see
+ *                   struct be_eth_sq_parameters for details.
+ * eth_sq          -
+ * return status   - BE_SUCCESS (0) on success. Negative error code on failure.
+ *---------------------------------------------------------
+ */
+int
+be_eth_sq_create_ex(struct be_function_object *pfob, struct ring_desc *rd,
+		u32 length, u32 type, u32 ulp, struct be_cq_object *cq_object,
+		struct be_eth_sq_parameters *ex_parameters,
+		struct be_ethsq_object *eth_sq)
+{
+	struct FWCMD_COMMON_ETH_TX_CREATE *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	u32 n;
+	unsigned long irql;
+
+	ASSERT(rd);
+	ASSERT(eth_sq);
+	ASSERT(ex_parameters);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	memset(eth_sq, 0, sizeof(*eth_sq));
+
+	eth_sq->parent_function = pfob;
+	eth_sq->bid = 0xFFFFFFFF;
+	eth_sq->cq_object = cq_object;
+
+	/* Translate hwlib interface to arm interface. */
+	switch (type) {
+	case BE_ETH_TX_RING_TYPE_FORWARDING:
+		type = ETH_TX_RING_TYPE_FORWARDING;
+		break;
+	case BE_ETH_TX_RING_TYPE_STANDARD:
+		type = ETH_TX_RING_TYPE_STANDARD;
+		break;
+	case BE_ETH_TX_RING_TYPE_BOUND:
+		ASSERT(ex_parameters->port < 2);
+		type = ETH_TX_RING_TYPE_BOUND;
+		break;
+	default:
+		TRACE(DL_ERR, "Invalid eth tx ring type:%d", type);
+		return BE_NOT_OK;
+		break;
+	}
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		ASSERT(wrb);
+		TRACE(DL_ERR, "No free MCC WRBs in create EQ.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto Error;
+	}
+	/* NIC must be supported by the current config. */
+	ASSERT(pfob->fw_config.nic_ulp_mask);
+
+	/*
+	 * The ulp parameter must select a valid NIC ULP
+	 * for the current config.
+	 */
+	ASSERT((1 << ulp) & pfob->fw_config.nic_ulp_mask);
+
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_ETH_TX_CREATE);
+	fwcmd->header.request.port_number = ex_parameters->port;
+
+	AMAP_SET_BITS_PTR(ETX_CONTEXT, pd_id,
+				&fwcmd->params.request.context, 0);
+
+	n = be_ring_length_to_encoding(length, sizeof(struct ETH_WRB_AMAP));
+	AMAP_SET_BITS_PTR(ETX_CONTEXT, tx_ring_size,
+					&fwcmd->params.request.context, n);
+
+	AMAP_SET_BITS_PTR(ETX_CONTEXT, cq_id_send,
+			&fwcmd->params.request.context, cq_object->cq_id);
+
+	n = pfob->pci_function_number;
+	AMAP_SET_BITS_PTR(ETX_CONTEXT, func, &fwcmd->params.request.context, n);
+
+	fwcmd->params.request.type = type;
+	fwcmd->params.request.ulp_num  = (1 << ulp);
+	fwcmd->params.request.num_pages = DIV_ROUND_UP(length, PAGE_SIZE);
+	ASSERT(PAGES_SPANNED(rd->va, rd->length) >=
+				fwcmd->params.request.num_pages);
+
+	/* Create a page list for the FWCMD. */
+	be_rd_to_pa_list(rd, fwcmd->params.request.pages,
+			  ARRAY_SIZE(fwcmd->params.request.pages));
+
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+					NULL, NULL, fwcmd, NULL);
+	if (status != BE_SUCCESS) {
+		TRACE(DL_ERR, "MCC to create etx queue failed.");
+		goto Error;
+	}
+	/* save the butler ID */
+	eth_sq->bid = fwcmd->params.response.cid;
+
+	/* add a reference to the corresponding CQ */
+	atomic_inc(&cq_object->ref_count);
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+
+/*
+    This routine destroys an ethernet send queue
+
+    EthSq - EthSq Handle returned from EthSqCreate
+
+    This function always return BE_SUCCESS.
+
+    This function frees memory allocated by EthSqCreate for the EthSq Object.
+
+*/
+int be_eth_sq_destroy(struct be_ethsq_object *eth_sq)
+{
+	int status = 0;
+
+	/* Send fwcmd to destroy the queue. */
+	status = be_function_ring_destroy(eth_sq->parent_function, eth_sq->bid,
+		     FWCMD_RING_TYPE_ETH_TX, NULL, NULL, NULL, NULL);
+	ASSERT(status == 0);
+
+	/* Derefence any associated CQs. */
+	atomic_dec(&eth_sq->cq_object->ref_count);
+	return status;
+}
+/*
+    This routine attempts to set the transmit flow control parameters.
+
+    FunctionObject      - Handle to a function object
+
+    txfc_enable         - transmit flow control enable - true for
+			  enable, false for disable
+
+    rxfc_enable         - receive flow control enable - true for
+				enable, false for disable
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int error
+    code is returned.
+
+    IRQL: < DISPATCH_LEVEL
+
+    This function always fails in non-privileged machine context.
+*/
+int
+be_eth_set_flow_control(struct be_function_object *pfob,
+			bool txfc_enable, bool rxfc_enable)
+{
+	struct FWCMD_COMMON_SET_FLOW_CONTROL *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_SET_FLOW_CONTROL);
+
+	fwcmd->params.request.rx_flow_control = rxfc_enable;
+	fwcmd->params.request.tx_flow_control = txfc_enable;
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+					NULL, NULL, fwcmd, NULL);
+
+	if (status != 0) {
+		TRACE(DL_ERR, "set flow control fwcmd failed.");
+		goto error;
+	}
+
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+    This routine attempts to get the transmit flow control parameters.
+
+    pfob      - Handle to a function object
+
+    txfc_enable         - transmit flow control enable - true for
+			enable, false for disable
+
+    rxfc_enable         - receive flow control enable - true for enable,
+			false for disable
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int error code
+			is returned.
+
+    IRQL: < DISPATCH_LEVEL
+
+    This function always fails in non-privileged machine context.
+*/
+int
+be_eth_get_flow_control(struct be_function_object *pfob,
+			bool *txfc_enable, bool *rxfc_enable)
+{
+	struct FWCMD_COMMON_GET_FLOW_CONTROL *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_GET_FLOW_CONTROL);
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+						NULL, NULL, fwcmd, NULL);
+
+	if (status != 0) {
+		TRACE(DL_ERR, "get flow control fwcmd failed.");
+		goto error;
+	}
+
+	*txfc_enable = fwcmd->params.response.tx_flow_control;
+	*rxfc_enable = fwcmd->params.response.rx_flow_control;
+
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+ *---------------------------------------------------------
+ * Function: be_eth_set_qos
+ *   This function sets the ethernet transmit Quality of Service (QoS)
+ *   characteristics of BladeEngine for the domain. All ethernet
+ *   transmit rings of the domain will evenly share the bandwidth.
+ *   The exeception to sharing is the host primary (super) ethernet
+ *   transmit ring as well as the host ethernet forwarding ring
+ *   for missed offload data.
+ * pfob -
+ * max_bps         - the maximum bits per second in units of
+ * 			10 Mbps (valid 0-100)
+ * max_pps         - the maximum packets per second in units
+ * 			of 1 Kpps (0 indicates no limit)
+ * return status   - BE_SUCCESS (0) on success. Negative error code on failure.
+ *---------------------------------------------------------
+ */
+int
+be_eth_set_qos(struct be_function_object *pfob, u32 max_bps, u32 max_pps)
+{
+	struct FWCMD_COMMON_SET_QOS *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_SET_QOS);
+
+	/* Set fields in fwcmd */
+	fwcmd->params.request.max_bits_per_second_NIC = max_bps;
+	fwcmd->params.request.max_packets_per_second_NIC = max_pps;
+	fwcmd->params.request.valid_flags = QOS_BITS_NIC | QOS_PKTS_NIC;
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+					NULL, NULL, fwcmd, NULL);
+
+	if (status != 0)
+		TRACE(DL_ERR, "network set qos fwcmd failed.");
+
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+ *---------------------------------------------------------
+ * Function: be_eth_get_qos
+ *   This function retrieves the ethernet transmit Quality of Service (QoS)
+ *   characteristics for the domain.
+ * max_bps         - the maximum bits per second in units of
+ * 			10 Mbps (valid 0-100)
+ * max_pps         - the maximum packets per second in units of
+ * 			1 Kpps (0 indicates no limit)
+ * return status   - BE_SUCCESS (0) on success. Negative error code on failure.
+ *---------------------------------------------------------
+ */
+int
+be_eth_get_qos(struct be_function_object *pfob, u32 *max_bps, u32 *max_pps)
+{
+	struct FWCMD_COMMON_GET_QOS *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_GET_QOS);
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+					NULL, NULL, fwcmd, NULL);
+
+	if (status != 0) {
+		TRACE(DL_ERR, "network get qos fwcmd failed.");
+		goto error;
+	}
+
+	*max_bps = fwcmd->params.response.max_bits_per_second_NIC;
+	*max_pps = fwcmd->params.response.max_packets_per_second_NIC;
+
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+ *---------------------------------------------------------
+ * Function: be_eth_set_frame_size
+ *   This function sets the ethernet maximum frame size. The previous
+ *   values are returned.
+ * pfob -
+ * tx_frame_size   - maximum transmit frame size in bytes
+ * rx_frame_size   - maximum receive frame size in bytes
+ * return status   - BE_SUCCESS (0) on success. Negative error code on failure.
+ *---------------------------------------------------------
+ */
+int
+be_eth_set_frame_size(struct be_function_object *pfob,
+		      u32 *tx_frame_size, u32 *rx_frame_size)
+{
+	struct FWCMD_COMMON_SET_FRAME_SIZE *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_SET_FRAME_SIZE);
+	fwcmd->params.request.max_tx_frame_size = *tx_frame_size;
+	fwcmd->params.request.max_rx_frame_size = *rx_frame_size;
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+						NULL, NULL, fwcmd, NULL);
+
+	if (status != 0) {
+		TRACE(DL_ERR, "network set frame size fwcmd failed.");
+		goto error;
+	}
+
+	*tx_frame_size = fwcmd->params.response.chip_max_tx_frame_size;
+	*rx_frame_size = fwcmd->params.response.chip_max_rx_frame_size;
+
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+
+/*
+    This routine creates a Ethernet receive ring.
+
+    pfob      - handle to a function object
+    rq_base_va            - base VA for the default receive ring. this must be
+			exactly 8K in length and continguous physical memory.
+    cq_object            - handle to a previously created CQ to be associated
+			with the RQ.
+    pp_eth_rq             - pointer to an opqaue handle where an eth
+			receive object is returned.
+    Returns BE_SUCCESS if successfull, , otherwise a useful
+    int error code is returned.
+
+    IRQL: < DISPATCH_LEVEL
+    this function allocates a struct be_ethrq_object *object.
+    there must be no more than 1 of these per function object, unless the
+    function object supports RSS (is networking and on the host).
+    the rq_base_va must point to a buffer of exactly 8K.
+    the erx::host_cqid (or host_stor_cqid) register and erx::ring_page registers
+    will be updated as appropriate on return
+*/
+int
+be_eth_rq_create(struct be_function_object *pfob,
+			struct ring_desc *rd, struct be_cq_object *cq_object,
+			struct be_cq_object *bcmc_cq_object,
+			struct be_ethrq_object *eth_rq)
+{
+	int status = 0;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	struct FWCMD_COMMON_ETH_RX_CREATE *fwcmd = NULL;
+	unsigned long irql;
+
+	/* MPU will set the  */
+	ASSERT(rd);
+	ASSERT(eth_rq);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	eth_rq->parent_function = pfob;
+	eth_rq->cq_object = cq_object;
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto Error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_ETH_RX_CREATE);
+
+	fwcmd->params.request.num_pages = 2;	/* required length */
+	fwcmd->params.request.cq_id = cq_object->cq_id;
+
+	if (bcmc_cq_object)
+		fwcmd->params.request.bcmc_cq_id = bcmc_cq_object->cq_id;
+	else
+		fwcmd->params.request.bcmc_cq_id = 0xFFFF;
+
+	/* Create a page list for the FWCMD. */
+	be_rd_to_pa_list(rd, fwcmd->params.request.pages,
+			  ARRAY_SIZE(fwcmd->params.request.pages));
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+						NULL, NULL, fwcmd, NULL);
+	if (status != BE_SUCCESS) {
+		TRACE(DL_ERR, "fwcmd to map eth rxq frags failed.");
+		goto Error;
+	}
+	/* Save the ring ID for cleanup. */
+	eth_rq->rid = fwcmd->params.response.id;
+
+	atomic_inc(&cq_object->ref_count);
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+    This routine destroys an Ethernet receive queue
+
+    eth_rq - ethernet receive queue handle returned from eth_rq_create
+
+    Returns BE_SUCCESS on success and an appropriate int on failure.
+
+    This function frees resourcs allocated by EthRqCreate.
+    The erx::host_cqid (or host_stor_cqid) register and erx::ring_page
+    registers will be updated as appropriate on return
+    IRQL: < DISPATCH_LEVEL
+*/
+
+static void be_eth_rq_destroy_internal_cb(void *context, int status,
+					 struct MCC_WRB_AMAP *wrb)
+{
+	struct be_ethrq_object *eth_rq = (struct be_ethrq_object *) context;
+
+	if (status != BE_SUCCESS) {
+		TRACE(DL_ERR, "Destroy eth rq failed in internal callback.\n");
+	} else {
+		/* Dereference any CQs associated with this queue. */
+		atomic_dec(&eth_rq->cq_object->ref_count);
+	}
+
+	return;
+}
+
+int be_eth_rq_destroy(struct be_ethrq_object *eth_rq)
+{
+	int status = BE_SUCCESS;
+
+	/* Send fwcmd to destroy the RQ. */
+	status = be_function_ring_destroy(eth_rq->parent_function,
+			eth_rq->rid, FWCMD_RING_TYPE_ETH_RX, NULL, NULL,
+			be_eth_rq_destroy_internal_cb, eth_rq);
+
+	return status;
+}
+
+/*
+ *---------------------------------------------------------------------------
+ * Function: be_eth_rq_destroy_options
+ *   Destroys an ethernet receive ring with finer granularity options
+ *   than the standard be_eth_rq_destroy() API function.
+ * eth_rq           -
+ * flush            - Set to 1 to flush the ring, set to 0 to bypass the flush
+ * cb               - Callback function on completion
+ * cb_context       - Callback context
+ * return status    - BE_SUCCESS (0) on success. Negative error code on failure.
+ *----------------------------------------------------------------------------
+ */
+int
+be_eth_rq_destroy_options(struct be_ethrq_object *eth_rq, bool flush,
+		mcc_wrb_cqe_callback cb, void *cb_context)
+{
+	struct FWCMD_COMMON_RING_DESTROY *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = BE_SUCCESS;
+	struct be_function_object *pfob = NULL;
+	unsigned long irql;
+
+	pfob = eth_rq->parent_function;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	TRACE(DL_INFO, "Destroy eth_rq ring id:%d, flush:%d", eth_rq->rid,
+	      flush);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		ASSERT(wrb);
+		TRACE(DL_ERR, "No free MCC WRBs in destroy eth_rq ring.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto Error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_RING_DESTROY);
+
+	fwcmd->params.request.id = eth_rq->rid;
+	fwcmd->params.request.ring_type = FWCMD_RING_TYPE_ETH_RX;
+	fwcmd->params.request.bypass_flush = ((0 == flush) ? 1 : 0);
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, cb, cb_context,
+			be_eth_rq_destroy_internal_cb, eth_rq, fwcmd, NULL);
+
+	if (status != BE_SUCCESS && status != BE_PENDING) {
+		TRACE(DL_ERR, "eth_rq ring destroy failed. id:%d, flush:%d",
+		      eth_rq->rid, flush);
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+    This routine queries the frag size for erx.
+
+    pfob      - handle to a function object
+
+    frag_size_bytes       - erx frag size in bytes that is/was set.
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int error
+    code is returned.
+
+    IRQL: < DISPATCH_LEVEL
+
+*/
+int
+be_eth_rq_get_frag_size(struct be_function_object *pfob, u32 *frag_size_bytes)
+{
+	struct FWCMD_ETH_GET_RX_FRAG_SIZE *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	ASSERT(frag_size_bytes);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		return BE_STATUS_NO_MCC_WRB;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, ETH_GET_RX_FRAG_SIZE);
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+				NULL, NULL, fwcmd, NULL);
+
+	if (status != 0) {
+		TRACE(DL_ERR, "get frag size fwcmd failed.");
+		goto error;
+	}
+
+	*frag_size_bytes = 1 << fwcmd->params.response.actual_fragsize_log2;
+
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+    This routine attempts to set the frag size for erx.  If the frag size is
+    already set, the attempt fails and the current frag size is returned.
+
+    pfob      - Handle to a function object
+
+    frag_size       - Erx frag size in bytes that is/was set.
+
+    current_frag_size_bytes    - Pointer to location where currrent frag
+				 is to be rturned
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int error
+    code is returned.
+
+    IRQL: < DISPATCH_LEVEL
+
+    This function always fails in non-privileged machine context.
+*/
+int
+be_eth_rq_set_frag_size(struct be_function_object *pfob,
+			u32 frag_size, u32 *frag_size_bytes)
+{
+	struct FWCMD_ETH_SET_RX_FRAG_SIZE *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	unsigned long irql;
+
+	ASSERT(frag_size_bytes);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto error;
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, ETH_SET_RX_FRAG_SIZE);
+
+	ASSERT(frag_size >= 128 && frag_size <= 16 * 1024);
+
+	/* This is the log2 of the fragsize.  This is not the exact
+	 * ERX encoding. */
+	fwcmd->params.request.new_fragsize_log2 = __ilog2_u32(frag_size);
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL,
+				NULL, NULL, fwcmd, NULL);
+
+	if (status != 0) {
+		TRACE(DL_ERR, "set frag size fwcmd failed.");
+		goto error;
+	}
+
+	*frag_size_bytes = 1 << fwcmd->params.response.actual_fragsize_log2;
+error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+
+/*
+    This routine gets or sets a mac address for a domain
+    given the port and mac.
+
+    FunctionObject  - Function object handle.
+    port1           - Set to TRUE if this function will set/get the Port 1
+			address.  Only the host may set this to TRUE.
+    mac1            - Set to TRUE if this function will set/get the
+			MAC 1 address.  Only the host may set this to TRUE.
+    write           - Set to TRUE if this function should write the mac address.
+    mac_address      - Buffer of the mac address to read or write.
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int is returned.
+
+    IRQL: < DISPATCH_LEVEL
+*/
+int be_rxf_mac_address_read_write(struct be_function_object *pfob,
+		bool port1,	/* VM must always set to false */
+		bool mac1,	/* VM must always set to false */
+		bool mgmt, bool write,
+		bool permanent, u8 *mac_address,
+		mcc_wrb_cqe_callback cb,	/* optional */
+		void *cb_context)	/* optional */
+{
+	int status = BE_SUCCESS;
+	union {
+		struct FWCMD_COMMON_NTWK_MAC_QUERY *query;
+		struct FWCMD_COMMON_NTWK_MAC_SET *set;
+	} fwcmd = {NULL};
+	struct MCC_WRB_AMAP *wrb = NULL;
+	u32 type = 0;
+	unsigned long irql;
+	struct be_mcc_wrb_response_copy rc;
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	ASSERT(mac_address);
+
+	ASSERT(port1 == false);
+	ASSERT(mac1 == false);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		TRACE(DL_ERR, "MCC wrb peek failed.");
+		status = BE_STATUS_NO_MCC_WRB;
+		goto Error;
+	}
+
+	if (mgmt) {
+		type = MAC_ADDRESS_TYPE_MANAGEMENT;
+	} else {
+		if (pfob->type == BE_FUNCTION_TYPE_NETWORK)
+			type = MAC_ADDRESS_TYPE_NETWORK;
+		else
+			type = MAC_ADDRESS_TYPE_STORAGE;
+	}
+
+	if (write) {
+		/* Prepares an embedded fwcmd, including
+		 * request/response sizes.
+		 */
+		fwcmd.set = BE_PREPARE_EMBEDDED_FWCMD(pfob,
+					       wrb, COMMON_NTWK_MAC_SET);
+
+		fwcmd.set->params.request.invalidate = 0;
+		fwcmd.set->params.request.mac1 = (mac1 ? 1 : 0);
+		fwcmd.set->params.request.port = (port1 ? 1 : 0);
+		fwcmd.set->params.request.type = type;
+
+		/* Copy the mac address to set. */
+		fwcmd.set->params.request.mac.SizeOfStructure =
+			    sizeof(fwcmd.set->params.request.mac);
+		memcpy(fwcmd.set->params.request.mac.MACAddress,
+			mac_address, ETH_ALEN);
+
+		/* Post the f/w command */
+		status = be_function_post_mcc_wrb(pfob, wrb, NULL,
+				cb, cb_context, NULL, NULL, fwcmd.set, NULL);
+
+	} else {
+
+		/*
+		 * Prepares an embedded fwcmd, including
+		 * request/response sizes.
+		 */
+		fwcmd.query = BE_PREPARE_EMBEDDED_FWCMD(pfob,
+					       wrb, COMMON_NTWK_MAC_QUERY);
+
+		fwcmd.query->params.request.mac1 = (mac1 ? 1 : 0);
+		fwcmd.query->params.request.port = (port1 ? 1 : 0);
+		fwcmd.query->params.request.type = type;
+		fwcmd.query->params.request.permanent = permanent;
+
+		rc.length = FIELD_SIZEOF(struct FWCMD_COMMON_NTWK_MAC_QUERY,
+						params.response.mac.MACAddress);
+		rc.fwcmd_offset = offsetof(struct FWCMD_COMMON_NTWK_MAC_QUERY,
+						params.response.mac.MACAddress);
+		rc.va = mac_address;
+		/* Post the f/w command (with a copy for the response) */
+		status = be_function_post_mcc_wrb(pfob, wrb, NULL, cb,
+				cb_context, NULL, NULL, fwcmd.query, &rc);
+	}
+
+	if (status < 0) {
+		TRACE(DL_ERR, "mac set/query failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+    This routine writes data to context memory.
+
+    pfob  - Function object handle.
+    mac_table     - Set to the 128-bit multicast address hash table.
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int is returned.
+
+    IRQL: < DISPATCH_LEVEL
+*/
+
+int be_rxf_multicast_config(struct be_function_object *pfob,
+		bool promiscuous, u32 num, u8 *mac_table,
+		mcc_wrb_cqe_callback cb,	/* optional */
+		void *cb_context,
+		struct be_multicast_q_ctxt *q_ctxt)
+{
+	int status = BE_SUCCESS;
+	struct FWCMD_COMMON_NTWK_MULTICAST_SET *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	struct be_generic_q_ctxt *generic_ctxt = NULL;
+	unsigned long irql;
+
+	ASSERT(num <= ARRAY_SIZE(fwcmd->params.request.mac));
+
+	if (num > ARRAY_SIZE(fwcmd->params.request.mac)) {
+		TRACE(DL_ERR, "Too many multicast addresses. BE supports %d.",
+		      (int) ARRAY_SIZE(fwcmd->params.request.mac));
+		return BE_NOT_OK;
+	}
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		if (q_ctxt && cb) {
+			wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header;
+			generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+			generic_ctxt->context.bytes = sizeof(*q_ctxt);
+		} else {
+			status = BE_STATUS_NO_MCC_WRB;
+			goto Error;
+		}
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_NTWK_MULTICAST_SET);
+
+	fwcmd->params.request.promiscuous = promiscuous;
+	if (!promiscuous) {
+		fwcmd->params.request.num_mac = num;
+		if (num > 0) {
+			ASSERT(mac_table);
+			memcpy(fwcmd->params.request.mac,
+						mac_table, ETH_ALEN * num);
+		}
+	}
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt,
+			cb, cb_context, NULL, NULL, fwcmd, NULL);
+	if (status < 0) {
+		TRACE(DL_ERR, "multicast fwcmd failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+/*
+    This routine adds or removes a vlan tag from the rxf table.
+
+    FunctionObject  - Function object handle.
+    VLanTag         - VLan tag to add or remove.
+    Add             - Set to TRUE if this will add a vlan tag
+
+    Returns BE_SUCCESS if successfull, otherwise a useful int is returned.
+
+    IRQL: < DISPATCH_LEVEL
+*/
+int be_rxf_vlan_config(struct be_function_object *pfob,
+		bool promiscuous, u32 num, u16 *vlan_tag_array,
+		mcc_wrb_cqe_callback cb,	/* optional */
+		void *cb_context,
+		struct be_vlan_q_ctxt *q_ctxt)	/* optional */
+{
+	int status = BE_SUCCESS;
+	struct FWCMD_COMMON_NTWK_VLAN_CONFIG *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	struct be_generic_q_ctxt *generic_ctxt = NULL;
+	unsigned long irql;
+
+	if (num > ARRAY_SIZE(fwcmd->params.request.vlan_tag)) {
+		TRACE(DL_ERR, "Too many VLAN tags.");
+		return BE_NOT_OK;
+	}
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+	if (!wrb) {
+		if (q_ctxt && cb) {
+			wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header;
+			generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+			generic_ctxt->context.bytes = sizeof(*q_ctxt);
+		} else {
+			status = BE_STATUS_NO_MCC_WRB;
+			goto Error;
+		}
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_NTWK_VLAN_CONFIG);
+
+	fwcmd->params.request.promiscuous = promiscuous;
+	if (!promiscuous) {
+		fwcmd->params.request.num_vlan = num;
+
+		if (num > 0) {
+			ASSERT(vlan_tag_array);
+			memcpy(fwcmd->params.request.vlan_tag, vlan_tag_array,
+				  num * sizeof(vlan_tag_array[0]));
+		}
+	}
+
+	/* Post the commadn */
+	status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt,
+			cb, cb_context, NULL, NULL, fwcmd, NULL);
+	if (status < 0) {
+		TRACE(DL_ERR, "vlan fwcmd failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+
+int be_rxf_link_status(struct be_function_object *pfob,
+		struct BE_LINK_STATUS *link_status,
+		mcc_wrb_cqe_callback cb,
+		void *cb_context,
+		struct be_link_status_q_ctxt *q_ctxt)
+{
+	struct FWCMD_COMMON_NTWK_LINK_STATUS_QUERY *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	struct be_generic_q_ctxt *generic_ctxt = NULL;
+	unsigned long irql;
+	struct be_mcc_wrb_response_copy rc;
+
+	ASSERT(link_status);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+
+	if (!wrb) {
+		if (q_ctxt && cb) {
+			wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header;
+			generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+			generic_ctxt->context.bytes = sizeof(*q_ctxt);
+		} else {
+			status = BE_STATUS_NO_MCC_WRB;
+			goto Error;
+		}
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb,
+					       COMMON_NTWK_LINK_STATUS_QUERY);
+
+	rc.length = FIELD_SIZEOF(struct FWCMD_COMMON_NTWK_LINK_STATUS_QUERY,
+					params.response);
+	rc.fwcmd_offset = offsetof(struct FWCMD_COMMON_NTWK_LINK_STATUS_QUERY,
+					params.response);
+	rc.va = link_status;
+	/* Post or queue the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt,
+			cb, cb_context, NULL, NULL, fwcmd, &rc);
+
+	if (status < 0) {
+		TRACE(DL_ERR, "link status fwcmd failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+int
+be_rxf_query_eth_statistics(struct be_function_object *pfob,
+		    struct FWCMD_ETH_GET_STATISTICS *va_for_fwcmd,
+		    u64 pa_for_fwcmd, mcc_wrb_cqe_callback cb,
+		    void *cb_context,
+		    struct be_nonembedded_q_ctxt *q_ctxt)
+{
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	struct be_generic_q_ctxt *generic_ctxt = NULL;
+	unsigned long irql;
+
+	ASSERT(va_for_fwcmd);
+	ASSERT(pa_for_fwcmd);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+
+	if (!wrb) {
+		if (q_ctxt && cb) {
+			wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header;
+			generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+			generic_ctxt->context.bytes = sizeof(*q_ctxt);
+		} else {
+			status = BE_STATUS_NO_MCC_WRB;
+			goto Error;
+		}
+	}
+
+	TRACE(DL_INFO, "Query eth stats. fwcmd va:%p pa:0x%08x_%08x",
+	      va_for_fwcmd, upper_32_bits(pa_for_fwcmd), (u32)pa_for_fwcmd);
+
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	va_for_fwcmd = BE_PREPARE_NONEMBEDDED_FWCMD(pfob, wrb,
+			  va_for_fwcmd, pa_for_fwcmd, ETH_GET_STATISTICS);
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt,
+		cb, cb_context, NULL, NULL, va_for_fwcmd, NULL);
+	if (status < 0) {
+		TRACE(DL_ERR, "eth stats fwcmd failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+int
+be_rxf_promiscuous(struct be_function_object *pfob,
+		   bool enable_port0, bool enable_port1,
+		   mcc_wrb_cqe_callback cb, void *cb_context,
+		   struct be_promiscuous_q_ctxt *q_ctxt)
+{
+	struct FWCMD_ETH_PROMISCUOUS *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	struct be_generic_q_ctxt *generic_ctxt = NULL;
+	unsigned long irql;
+
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+
+	if (!wrb) {
+		if (q_ctxt && cb) {
+			wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header;
+			generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+			generic_ctxt->context.bytes = sizeof(*q_ctxt);
+		} else {
+			status = BE_STATUS_NO_MCC_WRB;
+			goto Error;
+		}
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, ETH_PROMISCUOUS);
+
+	fwcmd->params.request.port0_promiscuous = enable_port0;
+	fwcmd->params.request.port1_promiscuous = enable_port1;
+
+	/* Post the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt,
+			cb, cb_context, NULL, NULL, fwcmd, NULL);
+
+	if (status < 0) {
+		TRACE(DL_ERR, "promiscuous fwcmd failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}
+
+
+/*
+ *-------------------------------------------------------------------------
+ * Function: be_rxf_filter_config
+ *   Configures BladeEngine ethernet receive filter settings.
+ * pfob    -
+ * settings           - Pointer to the requested filter settings.
+ * 			The response from BladeEngine will be placed back
+ * 			in this structure.
+ * cb                 - optional
+ * cb_context         - optional
+ * q_ctxt             - Optional. Pointer to a previously allocated struct.
+ * 			If the MCC WRB ring is full, this structure is
+ * 			used to queue the operation. It will be posted
+ * 			to the MCC ring when space becomes available. All
+ *                      queued commands will be posted to the ring in
+ *                      the order they are received. It is always valid
+ *                      to pass a pointer to a generic
+ *                      be_generic_q_ctxt. However, the specific
+ *                      context structs are generally smaller than
+ *                      the generic struct.
+ * return pend_status - BE_SUCCESS (0) on success.
+ * 			BE_PENDING (postive value) if the FWCMD
+ *                      completion is pending. Negative error code on failure.
+ *---------------------------------------------------------------------------
+ */
+int
+be_rxf_filter_config(struct be_function_object *pfob,
+		     struct NTWK_RX_FILTER_SETTINGS *settings,
+		     mcc_wrb_cqe_callback cb, void *cb_context,
+		     struct be_rxf_filter_q_ctxt *q_ctxt)
+{
+	struct FWCMD_COMMON_NTWK_RX_FILTER *fwcmd = NULL;
+	struct MCC_WRB_AMAP *wrb = NULL;
+	int status = 0;
+	struct be_generic_q_ctxt *generic_ctxt = NULL;
+	unsigned long irql;
+	struct be_mcc_wrb_response_copy rc;
+
+	ASSERT(settings);
+
+	spin_lock_irqsave(&pfob->post_lock, irql);
+
+	wrb = be_function_peek_mcc_wrb(pfob);
+
+	if (!wrb) {
+		if (q_ctxt && cb) {
+			wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header;
+			generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+			generic_ctxt->context.bytes = sizeof(*q_ctxt);
+		} else {
+			status = BE_STATUS_NO_MCC_WRB;
+			goto Error;
+		}
+	}
+	/* Prepares an embedded fwcmd, including request/response sizes. */
+	fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_NTWK_RX_FILTER);
+	memcpy(&fwcmd->params.request, settings, sizeof(*settings));
+
+	rc.length = FIELD_SIZEOF(struct FWCMD_COMMON_NTWK_RX_FILTER,
+					params.response);
+	rc.fwcmd_offset = offsetof(struct FWCMD_COMMON_NTWK_RX_FILTER,
+					params.response);
+	rc.va = settings;
+	/* Post or queue the f/w command */
+	status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt,
+			cb, cb_context, NULL, NULL, fwcmd, &rc);
+
+	if (status < 0) {
+		TRACE(DL_ERR, "RXF/ERX filter config fwcmd failed.");
+		goto Error;
+	}
+
+Error:
+	spin_unlock_irqrestore(&pfob->post_lock, irql);
+	if (pfob->pend_queue_driving && pfob->mcc) {
+		pfob->pend_queue_driving = 0;
+		be_drive_mcc_wrb_queue(pfob->mcc);
+	}
+	return status;
+}