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Date: Fri, 04 Jul 2008 09:53:54 -0700
From: "Subbu Seetharaman" <subbus@...verengines.com>
To: jeff@...zik.org, netdev@...r.kernel.org
Subject: [PATCH 4/8] benet: hwlib functions
Signed-off-by: Subbu Seetharaman <subbus@...verengines.com>
---
drivers/net/benet/hwlib/cq.c | 211 +++++++
drivers/net/benet/hwlib/eq.c | 299 ++++++++++
drivers/net/benet/hwlib/eth.c | 1273 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 1783 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/benet/hwlib/cq.c
create mode 100644 drivers/net/benet/hwlib/eq.c
create mode 100644 drivers/net/benet/hwlib/eth.c
diff --git a/drivers/net/benet/hwlib/cq.c b/drivers/net/benet/hwlib/cq.c
new file mode 100644
index 0000000..6504586
--- /dev/null
+++ b/drivers/net/benet/hwlib/cq.c
@@ -0,0 +1,211 @@
+/*
+ * 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@...verengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+#include "hwlib.h"
+#include "bestatus.h"
+
+/*
+ * Completion Queue Objects
+ */
+/*
+ *============================================================================
+ * P U B L I C R O U T I N E S
+ *============================================================================
+ */
+
+/*
+ This routine creates a completion queue based on the client completion
+ queue configuration information.
+
+
+ FunctionObject - Handle to a function object
+ CqBaseVa - Base VA for a the CQ ring
+ NumEntries - CEV_CQ_CNT_* values
+ solEventEnable - 0 = All CQEs can generate Events if CQ is eventable
+ 1 = only CQEs with solicited bit set are eventable
+ eventable - Eventable CQ, generates interrupts.
+ nodelay - 1 = Force interrupt, relevent if CQ eventable.
+ Interrupt is asserted immediately after EQE
+ write is confirmed, regardless of EQ Timer
+ or watermark settings.
+ wme - Enable watermark based coalescing
+ wmThresh - High watermark(CQ fullness at which event
+ or interrupt should be asserted). These are the
+ CEV_WATERMARK encoded values.
+ EqObject - EQ Handle to assign to this CQ
+ ppCqObject - Internal CQ Handle returned.
+
+ Returns BE_SUCCESS if successfull, otherwise a useful error code is
+ returned.
+
+ IRQL < DISPATCH_LEVEL
+
+*/
+int be_cq_create(struct be_function_object *pfob,
+ struct ring_desc *rd, u32 length, bool solicited_eventable,
+ bool no_delay, u32 wm_thresh,
+ struct be_eq_object *eq_object, struct be_cq_object *cq_object)
+{
+ int status = BE_SUCCESS;
+ u32 num_entries_encoding;
+ u32 num_entries = length / sizeof(struct MCC_CQ_ENTRY_AMAP);
+ struct FWCMD_COMMON_CQ_CREATE *fwcmd = NULL;
+ struct MCC_WRB_AMAP *wrb = NULL;
+ u32 n;
+ unsigned long irql;
+
+ ASSERT(rd);
+ ASSERT(cq_object);
+ ASSERT(length % sizeof(struct MCC_CQ_ENTRY_AMAP) == 0);
+
+ switch (num_entries) {
+ case 256:
+ num_entries_encoding = CEV_CQ_CNT_256;
+ break;
+ case 512:
+ num_entries_encoding = CEV_CQ_CNT_512;
+ break;
+ case 1024:
+ num_entries_encoding = CEV_CQ_CNT_1024;
+ break;
+ default:
+ ASSERT(0);
+ return BE_STATUS_INVALID_PARAMETER;
+ }
+
+ /*
+ * All cq entries all the same size. Use iSCSI version
+ * as a test for the proper rd length.
+ */
+ memset(cq_object, 0, sizeof(*cq_object));
+
+ atomic_set(&cq_object->ref_count, 0);
+ cq_object->parent_function = pfob;
+ cq_object->eq_object = eq_object;
+ cq_object->num_entries = num_entries;
+ /* save for MCC cq processing */
+ cq_object->va = rd->va;
+
+ /* map into UT. */
+ length = num_entries * sizeof(struct MCC_CQ_ENTRY_AMAP);
+
+ spin_lock_irqsave(&pfob->post_lock, irql);
+
+ 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;
+ }
+ /* Prepares an embedded fwcmd, including request/response sizes. */
+ fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_CQ_CREATE);
+
+ fwcmd->params.request.num_pages = PAGES_SPANNED(OFFSET_IN_PAGE(rd->va),
+ length);
+
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, valid, &fwcmd->params.request.context, 1);
+ n = pfob->pci_function_number;
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, Func, &fwcmd->params.request.context, n);
+
+ n = (eq_object != NULL);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, Eventable,
+ &fwcmd->params.request.context, n);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, Armed, &fwcmd->params.request.context, 1);
+
+ n = eq_object ? eq_object->eq_id : 0;
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, EQID, &fwcmd->params.request.context, n);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, Count,
+ &fwcmd->params.request.context, num_entries_encoding);
+
+ n = 0; /* Protection Domain is always 0 in Linux driver */
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, PD, &fwcmd->params.request.context, n);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, NoDelay,
+ &fwcmd->params.request.context, no_delay);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, SolEvent,
+ &fwcmd->params.request.context, solicited_eventable);
+
+ n = (wm_thresh != 0xFFFFFFFF);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, WME, &fwcmd->params.request.context, n);
+
+ n = (n ? wm_thresh : 0);
+ AMAP_SET_BITS_PTR(CQ_CONTEXT, Watermark,
+ &fwcmd->params.request.context, n);
+ /* 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, "MCC to create CQ failed.");
+ goto Error;
+ }
+ /* Remember the CQ id. */
+ cq_object->cq_id = fwcmd->params.response.cq_id;
+
+ /* insert this cq into eq_object reference */
+ if (eq_object) {
+ atomic_inc(&eq_object->ref_count);
+ list_add_tail(&cq_object->cqlist_for_eq,
+ &eq_object->cq_list_head);
+ }
+
+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;
+}
+
+/*
+
+ Deferences the given object. Once the object's reference count drops to
+ zero, the object is destroyed and all resources that are held by this object
+ are released. The on-chip context is also destroyed along with the queue
+ ID, and any mappings made into the UT.
+
+ cq_object - CQ handle returned from cq_object_create.
+
+ returns the current reference count on the object
+
+ IRQL: IRQL < DISPATCH_LEVEL
+*/
+int be_cq_destroy(struct be_cq_object *cq_object)
+{
+ int status = 0;
+
+ /* Nothing should reference this CQ at this point. */
+ ASSERT(atomic_read(&cq_object->ref_count) == 0);
+
+ /* Send fwcmd to destroy the CQ. */
+ status = be_function_ring_destroy(cq_object->parent_function,
+ cq_object->cq_id, FWCMD_RING_TYPE_CQ,
+ NULL, NULL, NULL, NULL);
+ ASSERT(status == 0);
+
+ /* Remove reference if this is an eventable CQ. */
+ if (cq_object->eq_object) {
+ atomic_dec(&cq_object->eq_object->ref_count);
+ list_del(&cq_object->cqlist_for_eq);
+ }
+ return BE_SUCCESS;
+}
+
diff --git a/drivers/net/benet/hwlib/eq.c b/drivers/net/benet/hwlib/eq.c
new file mode 100644
index 0000000..db92ccd
--- /dev/null
+++ b/drivers/net/benet/hwlib/eq.c
@@ -0,0 +1,299 @@
+/*
+ * 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@...verengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+#include "hwlib.h"
+#include "bestatus.h"
+/*
+ This routine creates an event queue based on the client completion
+ queue configuration information.
+
+ FunctionObject - Handle to a function object
+ EqBaseVa - Base VA for a the EQ ring
+ SizeEncoding - The encoded size for the EQ entries. This value is
+ either CEV_EQ_SIZE_4 or CEV_EQ_SIZE_16
+ NumEntries - CEV_CQ_CNT_* values.
+ Watermark - Enables watermark based coalescing. This parameter
+ must be of the type CEV_WMARK_* if watermarks
+ are enabled. If watermarks to to be disabled
+ this value should be-1.
+ TimerDelay - If a timer delay is enabled this value should be the
+ time of the delay in 8 microsecond units. If
+ delays are not used this parameter should be
+ set to -1.
+ ppEqObject - Internal EQ Handle returned.
+
+ Returns BE_SUCCESS if successfull,, otherwise a useful error code
+ is returned.
+
+ IRQL < DISPATCH_LEVEL
+*/
+int
+be_eq_create(struct be_function_object *pfob,
+ struct ring_desc *rd, u32 eqe_size, u32 num_entries,
+ u32 watermark, /* CEV_WMARK_* or -1 */
+ u32 timer_delay, /* in 8us units, or -1 */
+ struct be_eq_object *eq_object)
+{
+ int status = BE_SUCCESS;
+ u32 num_entries_encoding, eqe_size_encoding, length;
+ struct FWCMD_COMMON_EQ_CREATE *fwcmd = NULL;
+ struct MCC_WRB_AMAP *wrb = NULL;
+ u32 n;
+ unsigned long irql;
+
+ ASSERT(rd);
+ ASSERT(eq_object);
+
+ switch (num_entries) {
+ case 256:
+ num_entries_encoding = CEV_EQ_CNT_256;
+ break;
+ case 512:
+ num_entries_encoding = CEV_EQ_CNT_512;
+ break;
+ case 1024:
+ num_entries_encoding = CEV_EQ_CNT_1024;
+ break;
+ case 2048:
+ num_entries_encoding = CEV_EQ_CNT_2048;
+ break;
+ case 4096:
+ num_entries_encoding = CEV_EQ_CNT_4096;
+ break;
+ default:
+ ASSERT(0);
+ return BE_STATUS_INVALID_PARAMETER;
+ }
+
+ switch (eqe_size) {
+ case 4:
+ eqe_size_encoding = CEV_EQ_SIZE_4;
+ break;
+ case 16:
+ eqe_size_encoding = CEV_EQ_SIZE_16;
+ break;
+ default:
+ ASSERT(0);
+ return BE_STATUS_INVALID_PARAMETER;
+ }
+
+ if ((eqe_size == 4 && num_entries < 1024) ||
+ (eqe_size == 16 && num_entries == 4096)) {
+ TRACE(DL_ERR, "Bad EQ size. eqe_size:%d num_entries:%d",
+ eqe_size, num_entries);
+ ASSERT(0);
+ return BE_STATUS_INVALID_PARAMETER;
+ }
+
+ memset(eq_object, 0, sizeof(*eq_object));
+
+ atomic_set(&eq_object->ref_count, 0);
+ eq_object->parent_function = pfob;
+ eq_object->eq_id = 0xFFFFFFFF;
+
+ INIT_LIST_HEAD(&eq_object->cq_list_head);
+
+ length = num_entries * eqe_size;
+
+ spin_lock_irqsave(&pfob->post_lock, irql);
+
+ 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;
+ }
+ /* Prepares an embedded fwcmd, including request/response sizes. */
+ fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_EQ_CREATE);
+
+ fwcmd->params.request.num_pages = PAGES_SPANNED(OFFSET_IN_PAGE(rd->va),
+ length);
+ n = pfob->pci_function_number;
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, Func, &fwcmd->params.request.context, n);
+
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, valid, &fwcmd->params.request.context, 1);
+
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, Size,
+ &fwcmd->params.request.context, eqe_size_encoding);
+
+ n = 0; /* Protection Domain is always 0 in Linux driver */
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, PD, &fwcmd->params.request.context, n);
+
+ /* Let the caller ARM the EQ with the doorbell. */
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, Armed, &fwcmd->params.request.context, 0);
+
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, Count, &fwcmd->params.request.context,
+ num_entries_encoding);
+
+ n = pfob->pci_function_number * 32;
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, EventVect,
+ &fwcmd->params.request.context, n);
+ if (watermark != -1) {
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, WME,
+ &fwcmd->params.request.context, 1);
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, Watermark,
+ &fwcmd->params.request.context, watermark);
+ ASSERT(watermark <= CEV_WMARK_240);
+ } else
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, WME,
+ &fwcmd->params.request.context, 0);
+ if (timer_delay != -1) {
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, TMR,
+ &fwcmd->params.request.context, 1);
+
+ ASSERT(timer_delay <= 250); /* max value according to EAS */
+ timer_delay = min(timer_delay, (u32)250);
+
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, Delay,
+ &fwcmd->params.request.context, timer_delay);
+ } else {
+ AMAP_SET_BITS_PTR(EQ_CONTEXT, TMR,
+ &fwcmd->params.request.context, 0);
+ }
+ /* 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 EQ failed.");
+ goto Error;
+ }
+ /* Get the EQ id. The MPU allocates the IDs. */
+ eq_object->eq_id = fwcmd->params.response.eq_id;
+
+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;
+}
+
+/*
+ Deferences the given object. Once the object's reference count drops to
+ zero, the object is destroyed and all resources that are held by this
+ object are released. The on-chip context is also destroyed along with
+ the queue ID, and any mappings made into the UT.
+
+ eq_object - EQ handle returned from eq_object_create.
+
+ Returns BE_SUCCESS if successfull, otherwise a useful error code
+ is returned.
+
+ IRQL: IRQL < DISPATCH_LEVEL
+*/
+int be_eq_destroy(struct be_eq_object *eq_object)
+{
+ int status = 0;
+
+ ASSERT(atomic_read(&eq_object->ref_count) == 0);
+ /* no CQs should reference this EQ now */
+ ASSERT(list_empty(&eq_object->cq_list_head));
+
+ /* Send fwcmd to destroy the EQ. */
+ status = be_function_ring_destroy(eq_object->parent_function,
+ eq_object->eq_id, FWCMD_RING_TYPE_EQ,
+ NULL, NULL, NULL, NULL);
+ ASSERT(status == 0);
+
+ return BE_SUCCESS;
+}
+/*
+ *---------------------------------------------------------------------------
+ * Function: be_eq_modify_delay
+ * Changes the EQ delay for a group of EQs.
+ * num_eq - The number of EQs in the eq_array to adjust.
+ * This also is the number of delay values in
+ * the eq_delay_array.
+ * eq_array - Array of struct be_eq_object pointers to adjust.
+ * eq_delay_array - Array of "num_eq" timer delays in units
+ * of microseconds. The be_eq_query_delay_range
+ * fwcmd returns the resolution and range of
+ * legal EQ delays.
+ * cb -
+ * cb_context -
+ * 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_cntxt. 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_eq_modify_delay(struct be_function_object *pfob,
+ u32 num_eq, struct be_eq_object **eq_array,
+ u32 *eq_delay_array, mcc_wrb_cqe_callback cb,
+ void *cb_context, struct be_eq_modify_delay_q_ctxt *q_ctxt)
+{
+ struct FWCMD_COMMON_MODIFY_EQ_DELAY *fwcmd = NULL;
+ struct MCC_WRB_AMAP *wrb = NULL;
+ int status = 0;
+ struct be_generic_q_ctxt *gen_ctxt = NULL;
+ u32 i;
+ 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;
+ gen_ctxt = (struct be_generic_q_ctxt *) q_ctxt;
+ gen_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_MODIFY_EQ_DELAY);
+
+ ASSERT(num_eq > 0);
+ ASSERT(num_eq <= ARRAY_SIZE(fwcmd->params.request.delay));
+ fwcmd->params.request.num_eq = num_eq;
+ for (i = 0; i < num_eq; i++) {
+ fwcmd->params.request.delay[i].eq_id = eq_array[i]->eq_id;
+ fwcmd->params.request.delay[i].delay_in_microseconds =
+ eq_delay_array[i];
+ }
+
+ /* Post the f/w command */
+ status = be_function_post_mcc_wrb(pfob, wrb, gen_ctxt,
+ cb, cb_context, NULL, NULL, fwcmd, NULL);
+
+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;
+}
+
diff --git a/drivers/net/benet/hwlib/eth.c b/drivers/net/benet/hwlib/eth.c
new file mode 100644
index 0000000..fced8a8
--- /dev/null
+++ b/drivers/net/benet/hwlib/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@...verengines.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(ð_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(ð_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.",
+ 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;
+}
--
1.5.5
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