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freebsd-nq/sys/dev/bxe/ecore_sp.c
Eric Davis ae02949d11 For TSO, when the first mbuf contains both the packet header and data, the 
header is split out into its own BD for processing by the firmware. When
this split occurred the data length in the BD was not being set correctly
resulting in packet corruption.

Approved by:	davidcd (mentor)
2013-12-30 23:02:26 +00:00

6302 lines
177 KiB
C
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/*-
* Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved.
*
* Eric Davis <edavis@broadcom.com>
* David Christensen <davidch@broadcom.com>
* Gary Zambrano <zambrano@broadcom.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Broadcom Corporation nor the name of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written consent.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "bxe.h"
#include "ecore_init.h"
/**** Exe Queue interfaces ****/
/**
* ecore_exe_queue_init - init the Exe Queue object
*
* @o: pointer to the object
* @exe_len: length
* @owner: pointer to the owner
* @validate: validate function pointer
* @optimize: optimize function pointer
* @exec: execute function pointer
* @get: get function pointer
*/
static inline void ecore_exe_queue_init(struct bxe_softc *sc,
struct ecore_exe_queue_obj *o,
int exe_len,
union ecore_qable_obj *owner,
exe_q_validate validate,
exe_q_remove remove,
exe_q_optimize optimize,
exe_q_execute exec,
exe_q_get get)
{
ECORE_MEMSET(o, 0, sizeof(*o));
ECORE_LIST_INIT(&o->exe_queue);
ECORE_LIST_INIT(&o->pending_comp);
ECORE_SPIN_LOCK_INIT(&o->lock, sc);
o->exe_chunk_len = exe_len;
o->owner = owner;
/* Owner specific callbacks */
o->validate = validate;
o->remove = remove;
o->optimize = optimize;
o->execute = exec;
o->get = get;
ECORE_MSG(sc, "Setup the execution queue with the chunk length of %d\n",
exe_len);
}
static inline void ecore_exe_queue_free_elem(struct bxe_softc *sc,
struct ecore_exeq_elem *elem)
{
ECORE_MSG(sc, "Deleting an exe_queue element\n");
ECORE_FREE(sc, elem, sizeof(*elem));
}
static inline int ecore_exe_queue_length(struct ecore_exe_queue_obj *o)
{
struct ecore_exeq_elem *elem;
int cnt = 0;
ECORE_SPIN_LOCK_BH(&o->lock);
ECORE_LIST_FOR_EACH_ENTRY(elem, &o->exe_queue, link,
struct ecore_exeq_elem)
cnt++;
ECORE_SPIN_UNLOCK_BH(&o->lock);
return cnt;
}
/**
* ecore_exe_queue_add - add a new element to the execution queue
*
* @sc: driver handle
* @o: queue
* @cmd: new command to add
* @restore: true - do not optimize the command
*
* If the element is optimized or is illegal, frees it.
*/
static inline int ecore_exe_queue_add(struct bxe_softc *sc,
struct ecore_exe_queue_obj *o,
struct ecore_exeq_elem *elem,
bool restore)
{
int rc;
ECORE_SPIN_LOCK_BH(&o->lock);
if (!restore) {
/* Try to cancel this element queue */
rc = o->optimize(sc, o->owner, elem);
if (rc)
goto free_and_exit;
/* Check if this request is ok */
rc = o->validate(sc, o->owner, elem);
if (rc) {
ECORE_MSG(sc, "Preamble failed: %d\n", rc);
goto free_and_exit;
}
}
/* If so, add it to the execution queue */
ECORE_LIST_PUSH_TAIL(&elem->link, &o->exe_queue);
ECORE_SPIN_UNLOCK_BH(&o->lock);
return ECORE_SUCCESS;
free_and_exit:
ecore_exe_queue_free_elem(sc, elem);
ECORE_SPIN_UNLOCK_BH(&o->lock);
return rc;
}
static inline void __ecore_exe_queue_reset_pending(
struct bxe_softc *sc,
struct ecore_exe_queue_obj *o)
{
struct ecore_exeq_elem *elem;
while (!ECORE_LIST_IS_EMPTY(&o->pending_comp)) {
elem = ECORE_LIST_FIRST_ENTRY(&o->pending_comp,
struct ecore_exeq_elem,
link);
ECORE_LIST_REMOVE_ENTRY(&elem->link, &o->pending_comp);
ecore_exe_queue_free_elem(sc, elem);
}
}
/**
* ecore_exe_queue_step - execute one execution chunk atomically
*
* @sc: driver handle
* @o: queue
* @ramrod_flags: flags
*
* (Should be called while holding the exe_queue->lock).
*/
static inline int ecore_exe_queue_step(struct bxe_softc *sc,
struct ecore_exe_queue_obj *o,
unsigned long *ramrod_flags)
{
struct ecore_exeq_elem *elem, spacer;
int cur_len = 0, rc;
ECORE_MEMSET(&spacer, 0, sizeof(spacer));
/* Next step should not be performed until the current is finished,
* unless a DRV_CLEAR_ONLY bit is set. In this case we just want to
* properly clear object internals without sending any command to the FW
* which also implies there won't be any completion to clear the
* 'pending' list.
*/
if (!ECORE_LIST_IS_EMPTY(&o->pending_comp)) {
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
ECORE_MSG(sc, "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list\n");
__ecore_exe_queue_reset_pending(sc, o);
} else {
return ECORE_PENDING;
}
}
/* Run through the pending commands list and create a next
* execution chunk.
*/
while (!ECORE_LIST_IS_EMPTY(&o->exe_queue)) {
elem = ECORE_LIST_FIRST_ENTRY(&o->exe_queue,
struct ecore_exeq_elem,
link);
ECORE_DBG_BREAK_IF(!elem->cmd_len);
if (cur_len + elem->cmd_len <= o->exe_chunk_len) {
cur_len += elem->cmd_len;
/* Prevent from both lists being empty when moving an
* element. This will allow the call of
* ecore_exe_queue_empty() without locking.
*/
ECORE_LIST_PUSH_TAIL(&spacer.link, &o->pending_comp);
mb();
ECORE_LIST_REMOVE_ENTRY(&elem->link, &o->exe_queue);
ECORE_LIST_PUSH_TAIL(&elem->link, &o->pending_comp);
ECORE_LIST_REMOVE_ENTRY(&spacer.link, &o->pending_comp);
} else
break;
}
/* Sanity check */
if (!cur_len)
return ECORE_SUCCESS;
rc = o->execute(sc, o->owner, &o->pending_comp, ramrod_flags);
if (rc < 0)
/* In case of an error return the commands back to the queue
* and reset the pending_comp.
*/
ECORE_LIST_SPLICE_INIT(&o->pending_comp, &o->exe_queue);
else if (!rc)
/* If zero is returned, means there are no outstanding pending
* completions and we may dismiss the pending list.
*/
__ecore_exe_queue_reset_pending(sc, o);
return rc;
}
static inline bool ecore_exe_queue_empty(struct ecore_exe_queue_obj *o)
{
bool empty = ECORE_LIST_IS_EMPTY(&o->exe_queue);
/* Don't reorder!!! */
mb();
return empty && ECORE_LIST_IS_EMPTY(&o->pending_comp);
}
static inline struct ecore_exeq_elem *ecore_exe_queue_alloc_elem(
struct bxe_softc *sc)
{
ECORE_MSG(sc, "Allocating a new exe_queue element\n");
return ECORE_ZALLOC(sizeof(struct ecore_exeq_elem), GFP_ATOMIC,
sc);
}
/************************ raw_obj functions ***********************************/
static bool ecore_raw_check_pending(struct ecore_raw_obj *o)
{
/*
* !! converts the value returned by ECORE_TEST_BIT such that it
* is guaranteed not to be truncated regardless of bool definition.
*
* Note we cannot simply define the function's return value type
* to match the type returned by ECORE_TEST_BIT, as it varies by
* platform/implementation.
*/
return !!ECORE_TEST_BIT(o->state, o->pstate);
}
static void ecore_raw_clear_pending(struct ecore_raw_obj *o)
{
ECORE_SMP_MB_BEFORE_CLEAR_BIT();
ECORE_CLEAR_BIT(o->state, o->pstate);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
}
static void ecore_raw_set_pending(struct ecore_raw_obj *o)
{
ECORE_SMP_MB_BEFORE_CLEAR_BIT();
ECORE_SET_BIT(o->state, o->pstate);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
}
/**
* ecore_state_wait - wait until the given bit(state) is cleared
*
* @sc: device handle
* @state: state which is to be cleared
* @state_p: state buffer
*
*/
static inline int ecore_state_wait(struct bxe_softc *sc, int state,
unsigned long *pstate)
{
/* can take a while if any port is running */
int cnt = 5000;
if (CHIP_REV_IS_EMUL(sc))
cnt *= 20;
ECORE_MSG(sc, "waiting for state to become %d\n", state);
ECORE_MIGHT_SLEEP();
while (cnt--) {
if (!ECORE_TEST_BIT(state, pstate)) {
#ifdef ECORE_STOP_ON_ERROR
ECORE_MSG(sc, "exit (cnt %d)\n", 5000 - cnt);
#endif
return ECORE_SUCCESS;
}
ECORE_WAIT(sc, delay_us);
if (sc->panic)
return ECORE_IO;
}
/* timeout! */
ECORE_ERR("timeout waiting for state %d\n", state);
#ifdef ECORE_STOP_ON_ERROR
ecore_panic();
#endif
return ECORE_TIMEOUT;
}
static int ecore_raw_wait(struct bxe_softc *sc, struct ecore_raw_obj *raw)
{
return ecore_state_wait(sc, raw->state, raw->pstate);
}
/***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
/* credit handling callbacks */
static bool ecore_get_cam_offset_mac(struct ecore_vlan_mac_obj *o, int *offset)
{
struct ecore_credit_pool_obj *mp = o->macs_pool;
ECORE_DBG_BREAK_IF(!mp);
return mp->get_entry(mp, offset);
}
static bool ecore_get_credit_mac(struct ecore_vlan_mac_obj *o)
{
struct ecore_credit_pool_obj *mp = o->macs_pool;
ECORE_DBG_BREAK_IF(!mp);
return mp->get(mp, 1);
}
static bool ecore_get_cam_offset_vlan(struct ecore_vlan_mac_obj *o, int *offset)
{
struct ecore_credit_pool_obj *vp = o->vlans_pool;
ECORE_DBG_BREAK_IF(!vp);
return vp->get_entry(vp, offset);
}
static bool ecore_get_credit_vlan(struct ecore_vlan_mac_obj *o)
{
struct ecore_credit_pool_obj *vp = o->vlans_pool;
ECORE_DBG_BREAK_IF(!vp);
return vp->get(vp, 1);
}
static bool ecore_get_credit_vlan_mac(struct ecore_vlan_mac_obj *o)
{
struct ecore_credit_pool_obj *mp = o->macs_pool;
struct ecore_credit_pool_obj *vp = o->vlans_pool;
if (!mp->get(mp, 1))
return FALSE;
if (!vp->get(vp, 1)) {
mp->put(mp, 1);
return FALSE;
}
return TRUE;
}
static bool ecore_put_cam_offset_mac(struct ecore_vlan_mac_obj *o, int offset)
{
struct ecore_credit_pool_obj *mp = o->macs_pool;
return mp->put_entry(mp, offset);
}
static bool ecore_put_credit_mac(struct ecore_vlan_mac_obj *o)
{
struct ecore_credit_pool_obj *mp = o->macs_pool;
return mp->put(mp, 1);
}
static bool ecore_put_cam_offset_vlan(struct ecore_vlan_mac_obj *o, int offset)
{
struct ecore_credit_pool_obj *vp = o->vlans_pool;
return vp->put_entry(vp, offset);
}
static bool ecore_put_credit_vlan(struct ecore_vlan_mac_obj *o)
{
struct ecore_credit_pool_obj *vp = o->vlans_pool;
return vp->put(vp, 1);
}
static bool ecore_put_credit_vlan_mac(struct ecore_vlan_mac_obj *o)
{
struct ecore_credit_pool_obj *mp = o->macs_pool;
struct ecore_credit_pool_obj *vp = o->vlans_pool;
if (!mp->put(mp, 1))
return FALSE;
if (!vp->put(vp, 1)) {
mp->get(mp, 1);
return FALSE;
}
return TRUE;
}
/**
* __ecore_vlan_mac_h_write_trylock - try getting the writer lock on vlan mac
* head list.
*
* @sc: device handle
* @o: vlan_mac object
*
* @details: Non-blocking implementation; should be called under execution
* queue lock.
*/
static int __ecore_vlan_mac_h_write_trylock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
if (o->head_reader) {
ECORE_MSG(sc, "vlan_mac_lock writer - There are readers; Busy\n");
return ECORE_BUSY;
}
ECORE_MSG(sc, "vlan_mac_lock writer - Taken\n");
return ECORE_SUCCESS;
}
/**
* __ecore_vlan_mac_h_exec_pending - execute step instead of a previous step
* which wasn't able to run due to a taken lock on vlan mac head list.
*
* @sc: device handle
* @o: vlan_mac object
*
* @details Should be called under execution queue lock; notice it might release
* and reclaim it during its run.
*/
static void __ecore_vlan_mac_h_exec_pending(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
int rc;
unsigned long ramrod_flags = o->saved_ramrod_flags;
ECORE_MSG(sc, "vlan_mac_lock execute pending command with ramrod flags %lu\n",
ramrod_flags);
o->head_exe_request = FALSE;
o->saved_ramrod_flags = 0;
rc = ecore_exe_queue_step(sc, &o->exe_queue, &ramrod_flags);
if (rc != ECORE_SUCCESS) {
ECORE_ERR("execution of pending commands failed with rc %d\n",
rc);
#ifdef ECORE_STOP_ON_ERROR
ecore_panic();
#endif
}
}
/**
* __ecore_vlan_mac_h_pend - Pend an execution step which couldn't have been
* called due to vlan mac head list lock being taken.
*
* @sc: device handle
* @o: vlan_mac object
* @ramrod_flags: ramrod flags of missed execution
*
* @details Should be called under execution queue lock.
*/
static void __ecore_vlan_mac_h_pend(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
unsigned long ramrod_flags)
{
o->head_exe_request = TRUE;
o->saved_ramrod_flags = ramrod_flags;
ECORE_MSG(sc, "Placing pending execution with ramrod flags %lu\n",
ramrod_flags);
}
/**
* __ecore_vlan_mac_h_write_unlock - unlock the vlan mac head list writer lock
*
* @sc: device handle
* @o: vlan_mac object
*
* @details Should be called under execution queue lock. Notice if a pending
* execution exists, it would perform it - possibly releasing and
* reclaiming the execution queue lock.
*/
static void __ecore_vlan_mac_h_write_unlock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
/* It's possible a new pending execution was added since this writer
* executed. If so, execute again. [Ad infinitum]
*/
while(o->head_exe_request) {
ECORE_MSG(sc, "vlan_mac_lock - writer release encountered a pending request\n");
__ecore_vlan_mac_h_exec_pending(sc, o);
}
}
/**
* ecore_vlan_mac_h_write_unlock - unlock the vlan mac head list writer lock
*
* @sc: device handle
* @o: vlan_mac object
*
* @details Notice if a pending execution exists, it would perform it -
* possibly releasing and reclaiming the execution queue lock.
*/
void ecore_vlan_mac_h_write_unlock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
__ecore_vlan_mac_h_write_unlock(sc, o);
ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
}
/**
* __ecore_vlan_mac_h_read_lock - lock the vlan mac head list reader lock
*
* @sc: device handle
* @o: vlan_mac object
*
* @details Should be called under the execution queue lock. May sleep. May
* release and reclaim execution queue lock during its run.
*/
static int __ecore_vlan_mac_h_read_lock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
/* If we got here, we're holding lock --> no WRITER exists */
o->head_reader++;
ECORE_MSG(sc, "vlan_mac_lock - locked reader - number %d\n",
o->head_reader);
return ECORE_SUCCESS;
}
/**
* ecore_vlan_mac_h_read_lock - lock the vlan mac head list reader lock
*
* @sc: device handle
* @o: vlan_mac object
*
* @details May sleep. Claims and releases execution queue lock during its run.
*/
int ecore_vlan_mac_h_read_lock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
int rc;
ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
rc = __ecore_vlan_mac_h_read_lock(sc, o);
ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
return rc;
}
/**
* __ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
*
* @sc: device handle
* @o: vlan_mac object
*
* @details Should be called under execution queue lock. Notice if a pending
* execution exists, it would be performed if this was the last
* reader. possibly releasing and reclaiming the execution queue lock.
*/
static void __ecore_vlan_mac_h_read_unlock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
if (!o->head_reader) {
ECORE_ERR("Need to release vlan mac reader lock, but lock isn't taken\n");
#ifdef ECORE_STOP_ON_ERROR
ecore_panic();
#endif
} else {
o->head_reader--;
ECORE_MSG(sc, "vlan_mac_lock - decreased readers to %d\n",
o->head_reader);
}
/* It's possible a new pending execution was added, and that this reader
* was last - if so we need to execute the command.
*/
if (!o->head_reader && o->head_exe_request) {
ECORE_MSG(sc, "vlan_mac_lock - reader release encountered a pending request\n");
/* Writer release will do the trick */
__ecore_vlan_mac_h_write_unlock(sc, o);
}
}
/**
* ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
*
* @sc: device handle
* @o: vlan_mac object
*
* @details Notice if a pending execution exists, it would be performed if this
* was the last reader. Claims and releases the execution queue lock
* during its run.
*/
void ecore_vlan_mac_h_read_unlock(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
__ecore_vlan_mac_h_read_unlock(sc, o);
ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
}
/**
* ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
*
* @sc: device handle
* @o: vlan_mac object
* @n: number of elements to get
* @base: base address for element placement
* @stride: stride between elements (in bytes)
*/
static int ecore_get_n_elements(struct bxe_softc *sc, struct ecore_vlan_mac_obj *o,
int n, uint8_t *base, uint8_t stride, uint8_t size)
{
struct ecore_vlan_mac_registry_elem *pos;
uint8_t *next = base;
int counter = 0;
int read_lock;
ECORE_MSG(sc, "get_n_elements - taking vlan_mac_lock (reader)\n");
read_lock = ecore_vlan_mac_h_read_lock(sc, o);
if (read_lock != ECORE_SUCCESS)
ECORE_ERR("get_n_elements failed to get vlan mac reader lock; Access without lock\n");
/* traverse list */
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem) {
if (counter < n) {
ECORE_MEMCPY(next, &pos->u, size);
counter++;
ECORE_MSG(sc, "copied element number %d to address %p element was:\n",
counter, next);
next += stride + size;
}
}
if (read_lock == ECORE_SUCCESS) {
ECORE_MSG(sc, "get_n_elements - releasing vlan_mac_lock (reader)\n");
ecore_vlan_mac_h_read_unlock(sc, o);
}
return counter * ETH_ALEN;
}
/* check_add() callbacks */
static int ecore_check_mac_add(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
ECORE_MSG(sc, "Checking MAC %02x:%02x:%02x:%02x:%02x:%02x for ADD command\n", data->mac.mac[0], data->mac.mac[1], data->mac.mac[2], data->mac.mac[3], data->mac.mac[4], data->mac.mac[5]);
if (!ECORE_IS_VALID_ETHER_ADDR(data->mac.mac))
return ECORE_INVAL;
/* Check if a requested MAC already exists */
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem)
if (!ECORE_MEMCMP(data->mac.mac, pos->u.mac.mac, ETH_ALEN) &&
(data->mac.is_inner_mac == pos->u.mac.is_inner_mac))
return ECORE_EXISTS;
return ECORE_SUCCESS;
}
static int ecore_check_vlan_add(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
ECORE_MSG(sc, "Checking VLAN %d for ADD command\n", data->vlan.vlan);
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem)
if (data->vlan.vlan == pos->u.vlan.vlan)
return ECORE_EXISTS;
return ECORE_SUCCESS;
}
static int ecore_check_vlan_mac_add(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
ECORE_MSG(sc, "Checking VLAN_MAC (%02x:%02x:%02x:%02x:%02x:%02x, %d) for ADD command\n",
data->vlan_mac.mac[0], data->vlan_mac.mac[1], data->vlan_mac.mac[2], data->vlan_mac.mac[3], data->vlan_mac.mac[4], data->vlan_mac.mac[5], data->vlan_mac.vlan);
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem)
if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) &&
(!ECORE_MEMCMP(data->vlan_mac.mac, pos->u.vlan_mac.mac,
ETH_ALEN)) &&
(data->vlan_mac.is_inner_mac ==
pos->u.vlan_mac.is_inner_mac))
return ECORE_EXISTS;
return ECORE_SUCCESS;
}
/* check_del() callbacks */
static struct ecore_vlan_mac_registry_elem *
ecore_check_mac_del(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
ECORE_MSG(sc, "Checking MAC %02x:%02x:%02x:%02x:%02x:%02x for DEL command\n", data->mac.mac[0], data->mac.mac[1], data->mac.mac[2], data->mac.mac[3], data->mac.mac[4], data->mac.mac[5]);
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem)
if ((!ECORE_MEMCMP(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) &&
(data->mac.is_inner_mac == pos->u.mac.is_inner_mac))
return pos;
return NULL;
}
static struct ecore_vlan_mac_registry_elem *
ecore_check_vlan_del(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
ECORE_MSG(sc, "Checking VLAN %d for DEL command\n", data->vlan.vlan);
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem)
if (data->vlan.vlan == pos->u.vlan.vlan)
return pos;
return NULL;
}
static struct ecore_vlan_mac_registry_elem *
ecore_check_vlan_mac_del(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
ECORE_MSG(sc, "Checking VLAN_MAC (%02x:%02x:%02x:%02x:%02x:%02x, %d) for DEL command\n",
data->vlan_mac.mac[0], data->vlan_mac.mac[1], data->vlan_mac.mac[2], data->vlan_mac.mac[3], data->vlan_mac.mac[4], data->vlan_mac.mac[5], data->vlan_mac.vlan);
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem)
if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) &&
(!ECORE_MEMCMP(data->vlan_mac.mac, pos->u.vlan_mac.mac,
ETH_ALEN)) &&
(data->vlan_mac.is_inner_mac ==
pos->u.vlan_mac.is_inner_mac))
return pos;
return NULL;
}
/* check_move() callback */
static bool ecore_check_move(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *src_o,
struct ecore_vlan_mac_obj *dst_o,
union ecore_classification_ramrod_data *data)
{
struct ecore_vlan_mac_registry_elem *pos;
int rc;
/* Check if we can delete the requested configuration from the first
* object.
*/
pos = src_o->check_del(sc, src_o, data);
/* check if configuration can be added */
rc = dst_o->check_add(sc, dst_o, data);
/* If this classification can not be added (is already set)
* or can't be deleted - return an error.
*/
if (rc || !pos)
return FALSE;
return TRUE;
}
static bool ecore_check_move_always_err(
struct bxe_softc *sc,
struct ecore_vlan_mac_obj *src_o,
struct ecore_vlan_mac_obj *dst_o,
union ecore_classification_ramrod_data *data)
{
return FALSE;
}
static inline uint8_t ecore_vlan_mac_get_rx_tx_flag(struct ecore_vlan_mac_obj *o)
{
struct ecore_raw_obj *raw = &o->raw;
uint8_t rx_tx_flag = 0;
if ((raw->obj_type == ECORE_OBJ_TYPE_TX) ||
(raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_TX_CMD;
if ((raw->obj_type == ECORE_OBJ_TYPE_RX) ||
(raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_RX_CMD;
return rx_tx_flag;
}
void ecore_set_mac_in_nig(struct bxe_softc *sc,
bool add, unsigned char *dev_addr, int index)
{
uint32_t wb_data[2];
uint32_t reg_offset = ECORE_PORT_ID(sc) ? NIG_REG_LLH1_FUNC_MEM :
NIG_REG_LLH0_FUNC_MEM;
if (!ECORE_IS_MF_SI_MODE(sc) && !IS_MF_AFEX(sc))
return;
if (index > ECORE_LLH_CAM_MAX_PF_LINE)
return;
ECORE_MSG(sc, "Going to %s LLH configuration at entry %d\n",
(add ? "ADD" : "DELETE"), index);
if (add) {
/* LLH_FUNC_MEM is a uint64_t WB register */
reg_offset += 8*index;
wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
(dev_addr[4] << 8) | dev_addr[5]);
wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
ECORE_REG_WR_DMAE_LEN(sc, reg_offset, wb_data, 2);
}
REG_WR(sc, (ECORE_PORT_ID(sc) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
NIG_REG_LLH0_FUNC_MEM_ENABLE) + 4*index, add);
}
/**
* ecore_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod
*
* @sc: device handle
* @o: queue for which we want to configure this rule
* @add: if TRUE the command is an ADD command, DEL otherwise
* @opcode: CLASSIFY_RULE_OPCODE_XXX
* @hdr: pointer to a header to setup
*
*/
static inline void ecore_vlan_mac_set_cmd_hdr_e2(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o, bool add, int opcode,
struct eth_classify_cmd_header *hdr)
{
struct ecore_raw_obj *raw = &o->raw;
hdr->client_id = raw->cl_id;
hdr->func_id = raw->func_id;
/* Rx or/and Tx (internal switching) configuration ? */
hdr->cmd_general_data |=
ecore_vlan_mac_get_rx_tx_flag(o);
if (add)
hdr->cmd_general_data |= ETH_CLASSIFY_CMD_HEADER_IS_ADD;
hdr->cmd_general_data |=
(opcode << ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT);
}
/**
* ecore_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header
*
* @cid: connection id
* @type: ECORE_FILTER_XXX_PENDING
* @hdr: pointer to header to setup
* @rule_cnt:
*
* currently we always configure one rule and echo field to contain a CID and an
* opcode type.
*/
static inline void ecore_vlan_mac_set_rdata_hdr_e2(uint32_t cid, int type,
struct eth_classify_header *hdr, int rule_cnt)
{
hdr->echo = ECORE_CPU_TO_LE32((cid & ECORE_SWCID_MASK) |
(type << ECORE_SWCID_SHIFT));
hdr->rule_cnt = (uint8_t)rule_cnt;
}
/* hw_config() callbacks */
static void ecore_set_one_mac_e2(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
struct ecore_exeq_elem *elem, int rule_idx,
int cam_offset)
{
struct ecore_raw_obj *raw = &o->raw;
struct eth_classify_rules_ramrod_data *data =
(struct eth_classify_rules_ramrod_data *)(raw->rdata);
int rule_cnt = rule_idx + 1, cmd = elem->cmd_data.vlan_mac.cmd;
union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
bool add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
unsigned long *vlan_mac_flags = &elem->cmd_data.vlan_mac.vlan_mac_flags;
uint8_t *mac = elem->cmd_data.vlan_mac.u.mac.mac;
/* Set LLH CAM entry: currently only iSCSI and ETH macs are
* relevant. In addition, current implementation is tuned for a
* single ETH MAC.
*
* When multiple unicast ETH MACs PF configuration in switch
* independent mode is required (NetQ, multiple netdev MACs,
* etc.), consider better utilisation of 8 per function MAC
* entries in the LLH register. There is also
* NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the
* total number of CAM entries to 16.
*
* Currently we won't configure NIG for MACs other than a primary ETH
* MAC and iSCSI L2 MAC.
*
* If this MAC is moving from one Queue to another, no need to change
* NIG configuration.
*/
if (cmd != ECORE_VLAN_MAC_MOVE) {
if (ECORE_TEST_BIT(ECORE_ISCSI_ETH_MAC, vlan_mac_flags))
ecore_set_mac_in_nig(sc, add, mac,
ECORE_LLH_CAM_ISCSI_ETH_LINE);
else if (ECORE_TEST_BIT(ECORE_ETH_MAC, vlan_mac_flags))
ecore_set_mac_in_nig(sc, add, mac,
ECORE_LLH_CAM_ETH_LINE);
}
/* Reset the ramrod data buffer for the first rule */
if (rule_idx == 0)
ECORE_MEMSET(data, 0, sizeof(*data));
/* Setup a command header */
ecore_vlan_mac_set_cmd_hdr_e2(sc, o, add, CLASSIFY_RULE_OPCODE_MAC,
&rule_entry->mac.header);
ECORE_MSG(sc, "About to %s MAC %02x:%02x:%02x:%02x:%02x:%02x for Queue %d\n",
(add ? "add" : "delete"), mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], raw->cl_id);
/* Set a MAC itself */
ecore_set_fw_mac_addr(&rule_entry->mac.mac_msb,
&rule_entry->mac.mac_mid,
&rule_entry->mac.mac_lsb, mac);
rule_entry->mac.inner_mac =
elem->cmd_data.vlan_mac.u.mac.is_inner_mac;
/* MOVE: Add a rule that will add this MAC to the target Queue */
if (cmd == ECORE_VLAN_MAC_MOVE) {
rule_entry++;
rule_cnt++;
/* Setup ramrod data */
ecore_vlan_mac_set_cmd_hdr_e2(sc,
elem->cmd_data.vlan_mac.target_obj,
TRUE, CLASSIFY_RULE_OPCODE_MAC,
&rule_entry->mac.header);
/* Set a MAC itself */
ecore_set_fw_mac_addr(&rule_entry->mac.mac_msb,
&rule_entry->mac.mac_mid,
&rule_entry->mac.mac_lsb, mac);
rule_entry->mac.inner_mac =
elem->cmd_data.vlan_mac.u.mac.is_inner_mac;
}
/* Set the ramrod data header */
/* TODO: take this to the higher level in order to prevent multiple
writing */
ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
rule_cnt);
}
/**
* ecore_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod
*
* @sc: device handle
* @o: queue
* @type:
* @cam_offset: offset in cam memory
* @hdr: pointer to a header to setup
*
* E1/E1H
*/
static inline void ecore_vlan_mac_set_rdata_hdr_e1x(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o, int type, int cam_offset,
struct mac_configuration_hdr *hdr)
{
struct ecore_raw_obj *r = &o->raw;
hdr->length = 1;
hdr->offset = (uint8_t)cam_offset;
hdr->client_id = ECORE_CPU_TO_LE16(0xff);
hdr->echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
(type << ECORE_SWCID_SHIFT));
}
static inline void ecore_vlan_mac_set_cfg_entry_e1x(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o, bool add, int opcode, uint8_t *mac,
uint16_t vlan_id, struct mac_configuration_entry *cfg_entry)
{
struct ecore_raw_obj *r = &o->raw;
uint32_t cl_bit_vec = (1 << r->cl_id);
cfg_entry->clients_bit_vector = ECORE_CPU_TO_LE32(cl_bit_vec);
cfg_entry->pf_id = r->func_id;
cfg_entry->vlan_id = ECORE_CPU_TO_LE16(vlan_id);
if (add) {
ECORE_SET_FLAG(cfg_entry->flags,
MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
T_ETH_MAC_COMMAND_SET);
ECORE_SET_FLAG(cfg_entry->flags,
MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE,
opcode);
/* Set a MAC in a ramrod data */
ecore_set_fw_mac_addr(&cfg_entry->msb_mac_addr,
&cfg_entry->middle_mac_addr,
&cfg_entry->lsb_mac_addr, mac);
} else
ECORE_SET_FLAG(cfg_entry->flags,
MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
T_ETH_MAC_COMMAND_INVALIDATE);
}
static inline void ecore_vlan_mac_set_rdata_e1x(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o, int type, int cam_offset, bool add,
uint8_t *mac, uint16_t vlan_id, int opcode, struct mac_configuration_cmd *config)
{
struct mac_configuration_entry *cfg_entry = &config->config_table[0];
struct ecore_raw_obj *raw = &o->raw;
ecore_vlan_mac_set_rdata_hdr_e1x(sc, o, type, cam_offset,
&config->hdr);
ecore_vlan_mac_set_cfg_entry_e1x(sc, o, add, opcode, mac, vlan_id,
cfg_entry);
ECORE_MSG(sc, "%s MAC %02x:%02x:%02x:%02x:%02x:%02x CLID %d CAM offset %d\n",
(add ? "setting" : "clearing"),
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], raw->cl_id, cam_offset);
}
/**
* ecore_set_one_mac_e1x - fill a single MAC rule ramrod data
*
* @sc: device handle
* @o: ecore_vlan_mac_obj
* @elem: ecore_exeq_elem
* @rule_idx: rule_idx
* @cam_offset: cam_offset
*/
static void ecore_set_one_mac_e1x(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
struct ecore_exeq_elem *elem, int rule_idx,
int cam_offset)
{
struct ecore_raw_obj *raw = &o->raw;
struct mac_configuration_cmd *config =
(struct mac_configuration_cmd *)(raw->rdata);
/* 57710 and 57711 do not support MOVE command,
* so it's either ADD or DEL
*/
bool add = (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
TRUE : FALSE;
/* Reset the ramrod data buffer */
ECORE_MEMSET(config, 0, sizeof(*config));
ecore_vlan_mac_set_rdata_e1x(sc, o, raw->state,
cam_offset, add,
elem->cmd_data.vlan_mac.u.mac.mac, 0,
ETH_VLAN_FILTER_ANY_VLAN, config);
}
static void ecore_set_one_vlan_e2(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
struct ecore_exeq_elem *elem, int rule_idx,
int cam_offset)
{
struct ecore_raw_obj *raw = &o->raw;
struct eth_classify_rules_ramrod_data *data =
(struct eth_classify_rules_ramrod_data *)(raw->rdata);
int rule_cnt = rule_idx + 1;
union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
bool add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
uint16_t vlan = elem->cmd_data.vlan_mac.u.vlan.vlan;
/* Reset the ramrod data buffer for the first rule */
if (rule_idx == 0)
ECORE_MEMSET(data, 0, sizeof(*data));
/* Set a rule header */
ecore_vlan_mac_set_cmd_hdr_e2(sc, o, add, CLASSIFY_RULE_OPCODE_VLAN,
&rule_entry->vlan.header);
ECORE_MSG(sc, "About to %s VLAN %d\n", (add ? "add" : "delete"),
vlan);
/* Set a VLAN itself */
rule_entry->vlan.vlan = ECORE_CPU_TO_LE16(vlan);
/* MOVE: Add a rule that will add this MAC to the target Queue */
if (cmd == ECORE_VLAN_MAC_MOVE) {
rule_entry++;
rule_cnt++;
/* Setup ramrod data */
ecore_vlan_mac_set_cmd_hdr_e2(sc,
elem->cmd_data.vlan_mac.target_obj,
TRUE, CLASSIFY_RULE_OPCODE_VLAN,
&rule_entry->vlan.header);
/* Set a VLAN itself */
rule_entry->vlan.vlan = ECORE_CPU_TO_LE16(vlan);
}
/* Set the ramrod data header */
/* TODO: take this to the higher level in order to prevent multiple
writing */
ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
rule_cnt);
}
static void ecore_set_one_vlan_mac_e2(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
struct ecore_exeq_elem *elem,
int rule_idx, int cam_offset)
{
struct ecore_raw_obj *raw = &o->raw;
struct eth_classify_rules_ramrod_data *data =
(struct eth_classify_rules_ramrod_data *)(raw->rdata);
int rule_cnt = rule_idx + 1;
union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
bool add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
uint16_t vlan = elem->cmd_data.vlan_mac.u.vlan_mac.vlan;
uint8_t *mac = elem->cmd_data.vlan_mac.u.vlan_mac.mac;
/* Reset the ramrod data buffer for the first rule */
if (rule_idx == 0)
ECORE_MEMSET(data, 0, sizeof(*data));
/* Set a rule header */
ecore_vlan_mac_set_cmd_hdr_e2(sc, o, add, CLASSIFY_RULE_OPCODE_PAIR,
&rule_entry->pair.header);
/* Set VLAN and MAC themselves */
rule_entry->pair.vlan = ECORE_CPU_TO_LE16(vlan);
ecore_set_fw_mac_addr(&rule_entry->pair.mac_msb,
&rule_entry->pair.mac_mid,
&rule_entry->pair.mac_lsb, mac);
rule_entry->pair.inner_mac =
elem->cmd_data.vlan_mac.u.vlan_mac.is_inner_mac;
/* MOVE: Add a rule that will add this MAC to the target Queue */
if (cmd == ECORE_VLAN_MAC_MOVE) {
rule_entry++;
rule_cnt++;
/* Setup ramrod data */
ecore_vlan_mac_set_cmd_hdr_e2(sc,
elem->cmd_data.vlan_mac.target_obj,
TRUE, CLASSIFY_RULE_OPCODE_PAIR,
&rule_entry->pair.header);
/* Set a VLAN itself */
rule_entry->pair.vlan = ECORE_CPU_TO_LE16(vlan);
ecore_set_fw_mac_addr(&rule_entry->pair.mac_msb,
&rule_entry->pair.mac_mid,
&rule_entry->pair.mac_lsb, mac);
rule_entry->pair.inner_mac =
elem->cmd_data.vlan_mac.u.vlan_mac.is_inner_mac;
}
/* Set the ramrod data header */
/* TODO: take this to the higher level in order to prevent multiple
writing */
ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
rule_cnt);
}
/**
* ecore_set_one_vlan_mac_e1h -
*
* @sc: device handle
* @o: ecore_vlan_mac_obj
* @elem: ecore_exeq_elem
* @rule_idx: rule_idx
* @cam_offset: cam_offset
*/
static void ecore_set_one_vlan_mac_e1h(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
struct ecore_exeq_elem *elem,
int rule_idx, int cam_offset)
{
struct ecore_raw_obj *raw = &o->raw;
struct mac_configuration_cmd *config =
(struct mac_configuration_cmd *)(raw->rdata);
/* 57710 and 57711 do not support MOVE command,
* so it's either ADD or DEL
*/
bool add = (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
TRUE : FALSE;
/* Reset the ramrod data buffer */
ECORE_MEMSET(config, 0, sizeof(*config));
ecore_vlan_mac_set_rdata_e1x(sc, o, ECORE_FILTER_VLAN_MAC_PENDING,
cam_offset, add,
elem->cmd_data.vlan_mac.u.vlan_mac.mac,
elem->cmd_data.vlan_mac.u.vlan_mac.vlan,
ETH_VLAN_FILTER_CLASSIFY, config);
}
#define list_next_entry(pos, member) \
list_entry((pos)->member.next, typeof(*(pos)), member)
/**
* ecore_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
*
* @sc: device handle
* @p: command parameters
* @ppos: pointer to the cookie
*
* reconfigure next MAC/VLAN/VLAN-MAC element from the
* previously configured elements list.
*
* from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is taken
* into an account
*
* pointer to the cookie - that should be given back in the next call to make
* function handle the next element. If *ppos is set to NULL it will restart the
* iterator. If returned *ppos == NULL this means that the last element has been
* handled.
*
*/
static int ecore_vlan_mac_restore(struct bxe_softc *sc,
struct ecore_vlan_mac_ramrod_params *p,
struct ecore_vlan_mac_registry_elem **ppos)
{
struct ecore_vlan_mac_registry_elem *pos;
struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
/* If list is empty - there is nothing to do here */
if (ECORE_LIST_IS_EMPTY(&o->head)) {
*ppos = NULL;
return 0;
}
/* make a step... */
if (*ppos == NULL)
*ppos = ECORE_LIST_FIRST_ENTRY(&o->head,
struct ecore_vlan_mac_registry_elem,
link);
else
*ppos = ECORE_LIST_NEXT(*ppos, link,
struct ecore_vlan_mac_registry_elem);
pos = *ppos;
/* If it's the last step - return NULL */
if (ECORE_LIST_IS_LAST(&pos->link, &o->head))
*ppos = NULL;
/* Prepare a 'user_req' */
ECORE_MEMCPY(&p->user_req.u, &pos->u, sizeof(pos->u));
/* Set the command */
p->user_req.cmd = ECORE_VLAN_MAC_ADD;
/* Set vlan_mac_flags */
p->user_req.vlan_mac_flags = pos->vlan_mac_flags;
/* Set a restore bit */
ECORE_SET_BIT_NA(RAMROD_RESTORE, &p->ramrod_flags);
return ecore_config_vlan_mac(sc, p);
}
/* ecore_exeq_get_mac/ecore_exeq_get_vlan/ecore_exeq_get_vlan_mac return a
* pointer to an element with a specific criteria and NULL if such an element
* hasn't been found.
*/
static struct ecore_exeq_elem *ecore_exeq_get_mac(
struct ecore_exe_queue_obj *o,
struct ecore_exeq_elem *elem)
{
struct ecore_exeq_elem *pos;
struct ecore_mac_ramrod_data *data = &elem->cmd_data.vlan_mac.u.mac;
/* Check pending for execution commands */
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
struct ecore_exeq_elem)
if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.mac, data,
sizeof(*data)) &&
(pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
return pos;
return NULL;
}
static struct ecore_exeq_elem *ecore_exeq_get_vlan(
struct ecore_exe_queue_obj *o,
struct ecore_exeq_elem *elem)
{
struct ecore_exeq_elem *pos;
struct ecore_vlan_ramrod_data *data = &elem->cmd_data.vlan_mac.u.vlan;
/* Check pending for execution commands */
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
struct ecore_exeq_elem)
if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.vlan, data,
sizeof(*data)) &&
(pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
return pos;
return NULL;
}
static struct ecore_exeq_elem *ecore_exeq_get_vlan_mac(
struct ecore_exe_queue_obj *o,
struct ecore_exeq_elem *elem)
{
struct ecore_exeq_elem *pos;
struct ecore_vlan_mac_ramrod_data *data =
&elem->cmd_data.vlan_mac.u.vlan_mac;
/* Check pending for execution commands */
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
struct ecore_exeq_elem)
if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.vlan_mac, data,
sizeof(*data)) &&
(pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
return pos;
return NULL;
}
/**
* ecore_validate_vlan_mac_add - check if an ADD command can be executed
*
* @sc: device handle
* @qo: ecore_qable_obj
* @elem: ecore_exeq_elem
*
* Checks that the requested configuration can be added. If yes and if
* requested, consume CAM credit.
*
* The 'validate' is run after the 'optimize'.
*
*/
static inline int ecore_validate_vlan_mac_add(struct bxe_softc *sc,
union ecore_qable_obj *qo,
struct ecore_exeq_elem *elem)
{
struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
struct ecore_exe_queue_obj *exeq = &o->exe_queue;
int rc;
/* Check the registry */
rc = o->check_add(sc, o, &elem->cmd_data.vlan_mac.u);
if (rc) {
ECORE_MSG(sc, "ADD command is not allowed considering current registry state.\n");
return rc;
}
/* Check if there is a pending ADD command for this
* MAC/VLAN/VLAN-MAC. Return an error if there is.
*/
if (exeq->get(exeq, elem)) {
ECORE_MSG(sc, "There is a pending ADD command already\n");
return ECORE_EXISTS;
}
/* TODO: Check the pending MOVE from other objects where this
* object is a destination object.
*/
/* Consume the credit if not requested not to */
if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
&elem->cmd_data.vlan_mac.vlan_mac_flags) ||
o->get_credit(o)))
return ECORE_INVAL;
return ECORE_SUCCESS;
}
/**
* ecore_validate_vlan_mac_del - check if the DEL command can be executed
*
* @sc: device handle
* @qo: quable object to check
* @elem: element that needs to be deleted
*
* Checks that the requested configuration can be deleted. If yes and if
* requested, returns a CAM credit.
*
* The 'validate' is run after the 'optimize'.
*/
static inline int ecore_validate_vlan_mac_del(struct bxe_softc *sc,
union ecore_qable_obj *qo,
struct ecore_exeq_elem *elem)
{
struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
struct ecore_vlan_mac_registry_elem *pos;
struct ecore_exe_queue_obj *exeq = &o->exe_queue;
struct ecore_exeq_elem query_elem;
/* If this classification can not be deleted (doesn't exist)
* - return a ECORE_EXIST.
*/
pos = o->check_del(sc, o, &elem->cmd_data.vlan_mac.u);
if (!pos) {
ECORE_MSG(sc, "DEL command is not allowed considering current registry state\n");
return ECORE_EXISTS;
}
/* Check if there are pending DEL or MOVE commands for this
* MAC/VLAN/VLAN-MAC. Return an error if so.
*/
ECORE_MEMCPY(&query_elem, elem, sizeof(query_elem));
/* Check for MOVE commands */
query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_MOVE;
if (exeq->get(exeq, &query_elem)) {
ECORE_ERR("There is a pending MOVE command already\n");
return ECORE_INVAL;
}
/* Check for DEL commands */
if (exeq->get(exeq, elem)) {
ECORE_MSG(sc, "There is a pending DEL command already\n");
return ECORE_EXISTS;
}
/* Return the credit to the credit pool if not requested not to */
if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
&elem->cmd_data.vlan_mac.vlan_mac_flags) ||
o->put_credit(o))) {
ECORE_ERR("Failed to return a credit\n");
return ECORE_INVAL;
}
return ECORE_SUCCESS;
}
/**
* ecore_validate_vlan_mac_move - check if the MOVE command can be executed
*
* @sc: device handle
* @qo: quable object to check (source)
* @elem: element that needs to be moved
*
* Checks that the requested configuration can be moved. If yes and if
* requested, returns a CAM credit.
*
* The 'validate' is run after the 'optimize'.
*/
static inline int ecore_validate_vlan_mac_move(struct bxe_softc *sc,
union ecore_qable_obj *qo,
struct ecore_exeq_elem *elem)
{
struct ecore_vlan_mac_obj *src_o = &qo->vlan_mac;
struct ecore_vlan_mac_obj *dest_o = elem->cmd_data.vlan_mac.target_obj;
struct ecore_exeq_elem query_elem;
struct ecore_exe_queue_obj *src_exeq = &src_o->exe_queue;
struct ecore_exe_queue_obj *dest_exeq = &dest_o->exe_queue;
/* Check if we can perform this operation based on the current registry
* state.
*/
if (!src_o->check_move(sc, src_o, dest_o,
&elem->cmd_data.vlan_mac.u)) {
ECORE_MSG(sc, "MOVE command is not allowed considering current registry state\n");
return ECORE_INVAL;
}
/* Check if there is an already pending DEL or MOVE command for the
* source object or ADD command for a destination object. Return an
* error if so.
*/
ECORE_MEMCPY(&query_elem, elem, sizeof(query_elem));
/* Check DEL on source */
query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_DEL;
if (src_exeq->get(src_exeq, &query_elem)) {
ECORE_ERR("There is a pending DEL command on the source queue already\n");
return ECORE_INVAL;
}
/* Check MOVE on source */
if (src_exeq->get(src_exeq, elem)) {
ECORE_MSG(sc, "There is a pending MOVE command already\n");
return ECORE_EXISTS;
}
/* Check ADD on destination */
query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_ADD;
if (dest_exeq->get(dest_exeq, &query_elem)) {
ECORE_ERR("There is a pending ADD command on the destination queue already\n");
return ECORE_INVAL;
}
/* Consume the credit if not requested not to */
if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT_DEST,
&elem->cmd_data.vlan_mac.vlan_mac_flags) ||
dest_o->get_credit(dest_o)))
return ECORE_INVAL;
if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
&elem->cmd_data.vlan_mac.vlan_mac_flags) ||
src_o->put_credit(src_o))) {
/* return the credit taken from dest... */
dest_o->put_credit(dest_o);
return ECORE_INVAL;
}
return ECORE_SUCCESS;
}
static int ecore_validate_vlan_mac(struct bxe_softc *sc,
union ecore_qable_obj *qo,
struct ecore_exeq_elem *elem)
{
switch (elem->cmd_data.vlan_mac.cmd) {
case ECORE_VLAN_MAC_ADD:
return ecore_validate_vlan_mac_add(sc, qo, elem);
case ECORE_VLAN_MAC_DEL:
return ecore_validate_vlan_mac_del(sc, qo, elem);
case ECORE_VLAN_MAC_MOVE:
return ecore_validate_vlan_mac_move(sc, qo, elem);
default:
return ECORE_INVAL;
}
}
static int ecore_remove_vlan_mac(struct bxe_softc *sc,
union ecore_qable_obj *qo,
struct ecore_exeq_elem *elem)
{
int rc = 0;
/* If consumption wasn't required, nothing to do */
if (ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
&elem->cmd_data.vlan_mac.vlan_mac_flags))
return ECORE_SUCCESS;
switch (elem->cmd_data.vlan_mac.cmd) {
case ECORE_VLAN_MAC_ADD:
case ECORE_VLAN_MAC_MOVE:
rc = qo->vlan_mac.put_credit(&qo->vlan_mac);
break;
case ECORE_VLAN_MAC_DEL:
rc = qo->vlan_mac.get_credit(&qo->vlan_mac);
break;
default:
return ECORE_INVAL;
}
if (rc != TRUE)
return ECORE_INVAL;
return ECORE_SUCCESS;
}
/**
* ecore_wait_vlan_mac - passively wait for 5 seconds until all work completes.
*
* @sc: device handle
* @o: ecore_vlan_mac_obj
*
*/
static int ecore_wait_vlan_mac(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o)
{
int cnt = 5000, rc;
struct ecore_exe_queue_obj *exeq = &o->exe_queue;
struct ecore_raw_obj *raw = &o->raw;
while (cnt--) {
/* Wait for the current command to complete */
rc = raw->wait_comp(sc, raw);
if (rc)
return rc;
/* Wait until there are no pending commands */
if (!ecore_exe_queue_empty(exeq))
ECORE_WAIT(sc, 1000);
else
return ECORE_SUCCESS;
}
return ECORE_TIMEOUT;
}
static int __ecore_vlan_mac_execute_step(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
unsigned long *ramrod_flags)
{
int rc = ECORE_SUCCESS;
ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
ECORE_MSG(sc, "vlan_mac_execute_step - trying to take writer lock\n");
rc = __ecore_vlan_mac_h_write_trylock(sc, o);
if (rc != ECORE_SUCCESS) {
__ecore_vlan_mac_h_pend(sc, o, *ramrod_flags);
/** Calling function should not diffrentiate between this case
* and the case in which there is already a pending ramrod
*/
rc = ECORE_PENDING;
} else {
rc = ecore_exe_queue_step(sc, &o->exe_queue, ramrod_flags);
}
ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
return rc;
}
/**
* ecore_complete_vlan_mac - complete one VLAN-MAC ramrod
*
* @sc: device handle
* @o: ecore_vlan_mac_obj
* @cqe:
* @cont: if TRUE schedule next execution chunk
*
*/
static int ecore_complete_vlan_mac(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
union event_ring_elem *cqe,
unsigned long *ramrod_flags)
{
struct ecore_raw_obj *r = &o->raw;
int rc;
/* Clearing the pending list & raw state should be made
* atomically (as execution flow assumes they represent the same)
*/
ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
/* Reset pending list */
__ecore_exe_queue_reset_pending(sc, &o->exe_queue);
/* Clear pending */
r->clear_pending(r);
ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
/* If ramrod failed this is most likely a SW bug */
if (cqe->message.error)
return ECORE_INVAL;
/* Run the next bulk of pending commands if requested */
if (ECORE_TEST_BIT(RAMROD_CONT, ramrod_flags)) {
rc = __ecore_vlan_mac_execute_step(sc, o, ramrod_flags);
if (rc < 0)
return rc;
}
/* If there is more work to do return PENDING */
if (!ecore_exe_queue_empty(&o->exe_queue))
return ECORE_PENDING;
return ECORE_SUCCESS;
}
/**
* ecore_optimize_vlan_mac - optimize ADD and DEL commands.
*
* @sc: device handle
* @o: ecore_qable_obj
* @elem: ecore_exeq_elem
*/
static int ecore_optimize_vlan_mac(struct bxe_softc *sc,
union ecore_qable_obj *qo,
struct ecore_exeq_elem *elem)
{
struct ecore_exeq_elem query, *pos;
struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
struct ecore_exe_queue_obj *exeq = &o->exe_queue;
ECORE_MEMCPY(&query, elem, sizeof(query));
switch (elem->cmd_data.vlan_mac.cmd) {
case ECORE_VLAN_MAC_ADD:
query.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_DEL;
break;
case ECORE_VLAN_MAC_DEL:
query.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_ADD;
break;
default:
/* Don't handle anything other than ADD or DEL */
return 0;
}
/* If we found the appropriate element - delete it */
pos = exeq->get(exeq, &query);
if (pos) {
/* Return the credit of the optimized command */
if (!ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
&pos->cmd_data.vlan_mac.vlan_mac_flags)) {
if ((query.cmd_data.vlan_mac.cmd ==
ECORE_VLAN_MAC_ADD) && !o->put_credit(o)) {
ECORE_ERR("Failed to return the credit for the optimized ADD command\n");
return ECORE_INVAL;
} else if (!o->get_credit(o)) { /* VLAN_MAC_DEL */
ECORE_ERR("Failed to recover the credit from the optimized DEL command\n");
return ECORE_INVAL;
}
}
ECORE_MSG(sc, "Optimizing %s command\n",
(elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
"ADD" : "DEL");
ECORE_LIST_REMOVE_ENTRY(&pos->link, &exeq->exe_queue);
ecore_exe_queue_free_elem(sc, pos);
return 1;
}
return 0;
}
/**
* ecore_vlan_mac_get_registry_elem - prepare a registry element
*
* @sc: device handle
* @o:
* @elem:
* @restore:
* @re:
*
* prepare a registry element according to the current command request.
*/
static inline int ecore_vlan_mac_get_registry_elem(
struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
struct ecore_exeq_elem *elem,
bool restore,
struct ecore_vlan_mac_registry_elem **re)
{
enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
struct ecore_vlan_mac_registry_elem *reg_elem;
/* Allocate a new registry element if needed. */
if (!restore &&
((cmd == ECORE_VLAN_MAC_ADD) || (cmd == ECORE_VLAN_MAC_MOVE))) {
reg_elem = ECORE_ZALLOC(sizeof(*reg_elem), GFP_ATOMIC, sc);
if (!reg_elem)
return ECORE_NOMEM;
/* Get a new CAM offset */
if (!o->get_cam_offset(o, &reg_elem->cam_offset)) {
/* This shall never happen, because we have checked the
* CAM availability in the 'validate'.
*/
ECORE_DBG_BREAK_IF(1);
ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
return ECORE_INVAL;
}
ECORE_MSG(sc, "Got cam offset %d\n", reg_elem->cam_offset);
/* Set a VLAN-MAC data */
ECORE_MEMCPY(&reg_elem->u, &elem->cmd_data.vlan_mac.u,
sizeof(reg_elem->u));
/* Copy the flags (needed for DEL and RESTORE flows) */
reg_elem->vlan_mac_flags =
elem->cmd_data.vlan_mac.vlan_mac_flags;
} else /* DEL, RESTORE */
reg_elem = o->check_del(sc, o, &elem->cmd_data.vlan_mac.u);
*re = reg_elem;
return ECORE_SUCCESS;
}
/**
* ecore_execute_vlan_mac - execute vlan mac command
*
* @sc: device handle
* @qo:
* @exe_chunk:
* @ramrod_flags:
*
* go and send a ramrod!
*/
static int ecore_execute_vlan_mac(struct bxe_softc *sc,
union ecore_qable_obj *qo,
ecore_list_t *exe_chunk,
unsigned long *ramrod_flags)
{
struct ecore_exeq_elem *elem;
struct ecore_vlan_mac_obj *o = &qo->vlan_mac, *cam_obj;
struct ecore_raw_obj *r = &o->raw;
int rc, idx = 0;
bool restore = ECORE_TEST_BIT(RAMROD_RESTORE, ramrod_flags);
bool drv_only = ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags);
struct ecore_vlan_mac_registry_elem *reg_elem;
enum ecore_vlan_mac_cmd cmd;
/* If DRIVER_ONLY execution is requested, cleanup a registry
* and exit. Otherwise send a ramrod to FW.
*/
if (!drv_only) {
ECORE_DBG_BREAK_IF(r->check_pending(r));
/* Set pending */
r->set_pending(r);
/* Fill the ramrod data */
ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
struct ecore_exeq_elem) {
cmd = elem->cmd_data.vlan_mac.cmd;
/* We will add to the target object in MOVE command, so
* change the object for a CAM search.
*/
if (cmd == ECORE_VLAN_MAC_MOVE)
cam_obj = elem->cmd_data.vlan_mac.target_obj;
else
cam_obj = o;
rc = ecore_vlan_mac_get_registry_elem(sc, cam_obj,
elem, restore,
&reg_elem);
if (rc)
goto error_exit;
ECORE_DBG_BREAK_IF(!reg_elem);
/* Push a new entry into the registry */
if (!restore &&
((cmd == ECORE_VLAN_MAC_ADD) ||
(cmd == ECORE_VLAN_MAC_MOVE)))
ECORE_LIST_PUSH_HEAD(&reg_elem->link,
&cam_obj->head);
/* Configure a single command in a ramrod data buffer */
o->set_one_rule(sc, o, elem, idx,
reg_elem->cam_offset);
/* MOVE command consumes 2 entries in the ramrod data */
if (cmd == ECORE_VLAN_MAC_MOVE)
idx += 2;
else
idx++;
}
/*
* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
rc = ecore_sp_post(sc, o->ramrod_cmd, r->cid,
r->rdata_mapping,
ETH_CONNECTION_TYPE);
if (rc)
goto error_exit;
}
/* Now, when we are done with the ramrod - clean up the registry */
ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
struct ecore_exeq_elem) {
cmd = elem->cmd_data.vlan_mac.cmd;
if ((cmd == ECORE_VLAN_MAC_DEL) ||
(cmd == ECORE_VLAN_MAC_MOVE)) {
reg_elem = o->check_del(sc, o,
&elem->cmd_data.vlan_mac.u);
ECORE_DBG_BREAK_IF(!reg_elem);
o->put_cam_offset(o, reg_elem->cam_offset);
ECORE_LIST_REMOVE_ENTRY(&reg_elem->link, &o->head);
ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
}
}
if (!drv_only)
return ECORE_PENDING;
else
return ECORE_SUCCESS;
error_exit:
r->clear_pending(r);
/* Cleanup a registry in case of a failure */
ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
struct ecore_exeq_elem) {
cmd = elem->cmd_data.vlan_mac.cmd;
if (cmd == ECORE_VLAN_MAC_MOVE)
cam_obj = elem->cmd_data.vlan_mac.target_obj;
else
cam_obj = o;
/* Delete all newly added above entries */
if (!restore &&
((cmd == ECORE_VLAN_MAC_ADD) ||
(cmd == ECORE_VLAN_MAC_MOVE))) {
reg_elem = o->check_del(sc, cam_obj,
&elem->cmd_data.vlan_mac.u);
if (reg_elem) {
ECORE_LIST_REMOVE_ENTRY(&reg_elem->link,
&cam_obj->head);
ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
}
}
}
return rc;
}
static inline int ecore_vlan_mac_push_new_cmd(
struct bxe_softc *sc,
struct ecore_vlan_mac_ramrod_params *p)
{
struct ecore_exeq_elem *elem;
struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
bool restore = ECORE_TEST_BIT(RAMROD_RESTORE, &p->ramrod_flags);
/* Allocate the execution queue element */
elem = ecore_exe_queue_alloc_elem(sc);
if (!elem)
return ECORE_NOMEM;
/* Set the command 'length' */
switch (p->user_req.cmd) {
case ECORE_VLAN_MAC_MOVE:
elem->cmd_len = 2;
break;
default:
elem->cmd_len = 1;
}
/* Fill the object specific info */
ECORE_MEMCPY(&elem->cmd_data.vlan_mac, &p->user_req, sizeof(p->user_req));
/* Try to add a new command to the pending list */
return ecore_exe_queue_add(sc, &o->exe_queue, elem, restore);
}
/**
* ecore_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules.
*
* @sc: device handle
* @p:
*
*/
int ecore_config_vlan_mac(struct bxe_softc *sc,
struct ecore_vlan_mac_ramrod_params *p)
{
int rc = ECORE_SUCCESS;
struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
unsigned long *ramrod_flags = &p->ramrod_flags;
bool cont = ECORE_TEST_BIT(RAMROD_CONT, ramrod_flags);
struct ecore_raw_obj *raw = &o->raw;
/*
* Add new elements to the execution list for commands that require it.
*/
if (!cont) {
rc = ecore_vlan_mac_push_new_cmd(sc, p);
if (rc)
return rc;
}
/* If nothing will be executed further in this iteration we want to
* return PENDING if there are pending commands
*/
if (!ecore_exe_queue_empty(&o->exe_queue))
rc = ECORE_PENDING;
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
ECORE_MSG(sc, "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.\n");
raw->clear_pending(raw);
}
/* Execute commands if required */
if (cont || ECORE_TEST_BIT(RAMROD_EXEC, ramrod_flags) ||
ECORE_TEST_BIT(RAMROD_COMP_WAIT, ramrod_flags)) {
rc = __ecore_vlan_mac_execute_step(sc, p->vlan_mac_obj,
&p->ramrod_flags);
if (rc < 0)
return rc;
}
/* RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set
* then user want to wait until the last command is done.
*/
if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
/* Wait maximum for the current exe_queue length iterations plus
* one (for the current pending command).
*/
int max_iterations = ecore_exe_queue_length(&o->exe_queue) + 1;
while (!ecore_exe_queue_empty(&o->exe_queue) &&
max_iterations--) {
/* Wait for the current command to complete */
rc = raw->wait_comp(sc, raw);
if (rc)
return rc;
/* Make a next step */
rc = __ecore_vlan_mac_execute_step(sc,
p->vlan_mac_obj,
&p->ramrod_flags);
if (rc < 0)
return rc;
}
return ECORE_SUCCESS;
}
return rc;
}
/**
* ecore_vlan_mac_del_all - delete elements with given vlan_mac_flags spec
*
* @sc: device handle
* @o:
* @vlan_mac_flags:
* @ramrod_flags: execution flags to be used for this deletion
*
* if the last operation has completed successfully and there are no
* more elements left, positive value if the last operation has completed
* successfully and there are more previously configured elements, negative
* value is current operation has failed.
*/
static int ecore_vlan_mac_del_all(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *o,
unsigned long *vlan_mac_flags,
unsigned long *ramrod_flags)
{
struct ecore_vlan_mac_registry_elem *pos = NULL;
struct ecore_vlan_mac_ramrod_params p;
struct ecore_exe_queue_obj *exeq = &o->exe_queue;
struct ecore_exeq_elem *exeq_pos, *exeq_pos_n;
int read_lock;
int rc = 0;
/* Clear pending commands first */
ECORE_SPIN_LOCK_BH(&exeq->lock);
ECORE_LIST_FOR_EACH_ENTRY_SAFE(exeq_pos, exeq_pos_n,
&exeq->exe_queue, link,
struct ecore_exeq_elem) {
if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags ==
*vlan_mac_flags) {
rc = exeq->remove(sc, exeq->owner, exeq_pos);
if (rc) {
ECORE_ERR("Failed to remove command\n");
ECORE_SPIN_UNLOCK_BH(&exeq->lock);
return rc;
}
ECORE_LIST_REMOVE_ENTRY(&exeq_pos->link,
&exeq->exe_queue);
ecore_exe_queue_free_elem(sc, exeq_pos);
}
}
ECORE_SPIN_UNLOCK_BH(&exeq->lock);
/* Prepare a command request */
ECORE_MEMSET(&p, 0, sizeof(p));
p.vlan_mac_obj = o;
p.ramrod_flags = *ramrod_flags;
p.user_req.cmd = ECORE_VLAN_MAC_DEL;
/* Add all but the last VLAN-MAC to the execution queue without actually
* execution anything.
*/
ECORE_CLEAR_BIT_NA(RAMROD_COMP_WAIT, &p.ramrod_flags);
ECORE_CLEAR_BIT_NA(RAMROD_EXEC, &p.ramrod_flags);
ECORE_CLEAR_BIT_NA(RAMROD_CONT, &p.ramrod_flags);
ECORE_MSG(sc, "vlan_mac_del_all -- taking vlan_mac_lock (reader)\n");
read_lock = ecore_vlan_mac_h_read_lock(sc, o);
if (read_lock != ECORE_SUCCESS)
return read_lock;
ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
struct ecore_vlan_mac_registry_elem) {
if (pos->vlan_mac_flags == *vlan_mac_flags) {
p.user_req.vlan_mac_flags = pos->vlan_mac_flags;
ECORE_MEMCPY(&p.user_req.u, &pos->u, sizeof(pos->u));
rc = ecore_config_vlan_mac(sc, &p);
if (rc < 0) {
ECORE_ERR("Failed to add a new DEL command\n");
ecore_vlan_mac_h_read_unlock(sc, o);
return rc;
}
}
}
ECORE_MSG(sc, "vlan_mac_del_all -- releasing vlan_mac_lock (reader)\n");
ecore_vlan_mac_h_read_unlock(sc, o);
p.ramrod_flags = *ramrod_flags;
ECORE_SET_BIT_NA(RAMROD_CONT, &p.ramrod_flags);
return ecore_config_vlan_mac(sc, &p);
}
static inline void ecore_init_raw_obj(struct ecore_raw_obj *raw, uint8_t cl_id,
uint32_t cid, uint8_t func_id, void *rdata, ecore_dma_addr_t rdata_mapping, int state,
unsigned long *pstate, ecore_obj_type type)
{
raw->func_id = func_id;
raw->cid = cid;
raw->cl_id = cl_id;
raw->rdata = rdata;
raw->rdata_mapping = rdata_mapping;
raw->state = state;
raw->pstate = pstate;
raw->obj_type = type;
raw->check_pending = ecore_raw_check_pending;
raw->clear_pending = ecore_raw_clear_pending;
raw->set_pending = ecore_raw_set_pending;
raw->wait_comp = ecore_raw_wait;
}
static inline void ecore_init_vlan_mac_common(struct ecore_vlan_mac_obj *o,
uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata, ecore_dma_addr_t rdata_mapping,
int state, unsigned long *pstate, ecore_obj_type type,
struct ecore_credit_pool_obj *macs_pool,
struct ecore_credit_pool_obj *vlans_pool)
{
ECORE_LIST_INIT(&o->head);
o->head_reader = 0;
o->head_exe_request = FALSE;
o->saved_ramrod_flags = 0;
o->macs_pool = macs_pool;
o->vlans_pool = vlans_pool;
o->delete_all = ecore_vlan_mac_del_all;
o->restore = ecore_vlan_mac_restore;
o->complete = ecore_complete_vlan_mac;
o->wait = ecore_wait_vlan_mac;
ecore_init_raw_obj(&o->raw, cl_id, cid, func_id, rdata, rdata_mapping,
state, pstate, type);
}
void ecore_init_mac_obj(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *mac_obj,
uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata,
ecore_dma_addr_t rdata_mapping, int state,
unsigned long *pstate, ecore_obj_type type,
struct ecore_credit_pool_obj *macs_pool)
{
union ecore_qable_obj *qable_obj = (union ecore_qable_obj *)mac_obj;
ecore_init_vlan_mac_common(mac_obj, cl_id, cid, func_id, rdata,
rdata_mapping, state, pstate, type,
macs_pool, NULL);
/* CAM credit pool handling */
mac_obj->get_credit = ecore_get_credit_mac;
mac_obj->put_credit = ecore_put_credit_mac;
mac_obj->get_cam_offset = ecore_get_cam_offset_mac;
mac_obj->put_cam_offset = ecore_put_cam_offset_mac;
if (CHIP_IS_E1x(sc)) {
mac_obj->set_one_rule = ecore_set_one_mac_e1x;
mac_obj->check_del = ecore_check_mac_del;
mac_obj->check_add = ecore_check_mac_add;
mac_obj->check_move = ecore_check_move_always_err;
mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC;
/* Exe Queue */
ecore_exe_queue_init(sc,
&mac_obj->exe_queue, 1, qable_obj,
ecore_validate_vlan_mac,
ecore_remove_vlan_mac,
ecore_optimize_vlan_mac,
ecore_execute_vlan_mac,
ecore_exeq_get_mac);
} else {
mac_obj->set_one_rule = ecore_set_one_mac_e2;
mac_obj->check_del = ecore_check_mac_del;
mac_obj->check_add = ecore_check_mac_add;
mac_obj->check_move = ecore_check_move;
mac_obj->ramrod_cmd =
RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
mac_obj->get_n_elements = ecore_get_n_elements;
/* Exe Queue */
ecore_exe_queue_init(sc,
&mac_obj->exe_queue, CLASSIFY_RULES_COUNT,
qable_obj, ecore_validate_vlan_mac,
ecore_remove_vlan_mac,
ecore_optimize_vlan_mac,
ecore_execute_vlan_mac,
ecore_exeq_get_mac);
}
}
void ecore_init_vlan_obj(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *vlan_obj,
uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata,
ecore_dma_addr_t rdata_mapping, int state,
unsigned long *pstate, ecore_obj_type type,
struct ecore_credit_pool_obj *vlans_pool)
{
union ecore_qable_obj *qable_obj = (union ecore_qable_obj *)vlan_obj;
ecore_init_vlan_mac_common(vlan_obj, cl_id, cid, func_id, rdata,
rdata_mapping, state, pstate, type, NULL,
vlans_pool);
vlan_obj->get_credit = ecore_get_credit_vlan;
vlan_obj->put_credit = ecore_put_credit_vlan;
vlan_obj->get_cam_offset = ecore_get_cam_offset_vlan;
vlan_obj->put_cam_offset = ecore_put_cam_offset_vlan;
if (CHIP_IS_E1x(sc)) {
ECORE_ERR("Do not support chips others than E2 and newer\n");
ECORE_BUG();
} else {
vlan_obj->set_one_rule = ecore_set_one_vlan_e2;
vlan_obj->check_del = ecore_check_vlan_del;
vlan_obj->check_add = ecore_check_vlan_add;
vlan_obj->check_move = ecore_check_move;
vlan_obj->ramrod_cmd =
RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
vlan_obj->get_n_elements = ecore_get_n_elements;
/* Exe Queue */
ecore_exe_queue_init(sc,
&vlan_obj->exe_queue, CLASSIFY_RULES_COUNT,
qable_obj, ecore_validate_vlan_mac,
ecore_remove_vlan_mac,
ecore_optimize_vlan_mac,
ecore_execute_vlan_mac,
ecore_exeq_get_vlan);
}
}
void ecore_init_vlan_mac_obj(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *vlan_mac_obj,
uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata,
ecore_dma_addr_t rdata_mapping, int state,
unsigned long *pstate, ecore_obj_type type,
struct ecore_credit_pool_obj *macs_pool,
struct ecore_credit_pool_obj *vlans_pool)
{
union ecore_qable_obj *qable_obj =
(union ecore_qable_obj *)vlan_mac_obj;
ecore_init_vlan_mac_common(vlan_mac_obj, cl_id, cid, func_id, rdata,
rdata_mapping, state, pstate, type,
macs_pool, vlans_pool);
/* CAM pool handling */
vlan_mac_obj->get_credit = ecore_get_credit_vlan_mac;
vlan_mac_obj->put_credit = ecore_put_credit_vlan_mac;
/* CAM offset is relevant for 57710 and 57711 chips only which have a
* single CAM for both MACs and VLAN-MAC pairs. So the offset
* will be taken from MACs' pool object only.
*/
vlan_mac_obj->get_cam_offset = ecore_get_cam_offset_mac;
vlan_mac_obj->put_cam_offset = ecore_put_cam_offset_mac;
if (CHIP_IS_E1(sc)) {
ECORE_ERR("Do not support chips others than E2\n");
ECORE_BUG();
} else if (CHIP_IS_E1H(sc)) {
vlan_mac_obj->set_one_rule = ecore_set_one_vlan_mac_e1h;
vlan_mac_obj->check_del = ecore_check_vlan_mac_del;
vlan_mac_obj->check_add = ecore_check_vlan_mac_add;
vlan_mac_obj->check_move = ecore_check_move_always_err;
vlan_mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC;
/* Exe Queue */
ecore_exe_queue_init(sc,
&vlan_mac_obj->exe_queue, 1, qable_obj,
ecore_validate_vlan_mac,
ecore_remove_vlan_mac,
ecore_optimize_vlan_mac,
ecore_execute_vlan_mac,
ecore_exeq_get_vlan_mac);
} else {
vlan_mac_obj->set_one_rule = ecore_set_one_vlan_mac_e2;
vlan_mac_obj->check_del = ecore_check_vlan_mac_del;
vlan_mac_obj->check_add = ecore_check_vlan_mac_add;
vlan_mac_obj->check_move = ecore_check_move;
vlan_mac_obj->ramrod_cmd =
RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
/* Exe Queue */
ecore_exe_queue_init(sc,
&vlan_mac_obj->exe_queue,
CLASSIFY_RULES_COUNT,
qable_obj, ecore_validate_vlan_mac,
ecore_remove_vlan_mac,
ecore_optimize_vlan_mac,
ecore_execute_vlan_mac,
ecore_exeq_get_vlan_mac);
}
}
/* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
static inline void __storm_memset_mac_filters(struct bxe_softc *sc,
struct tstorm_eth_mac_filter_config *mac_filters,
uint16_t pf_id)
{
size_t size = sizeof(struct tstorm_eth_mac_filter_config);
uint32_t addr = BAR_TSTRORM_INTMEM +
TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id);
ecore_storm_memset_struct(sc, addr, size, (uint32_t *)mac_filters);
}
static int ecore_set_rx_mode_e1x(struct bxe_softc *sc,
struct ecore_rx_mode_ramrod_params *p)
{
/* update the sc MAC filter structure */
uint32_t mask = (1 << p->cl_id);
struct tstorm_eth_mac_filter_config *mac_filters =
(struct tstorm_eth_mac_filter_config *)p->rdata;
/* initial setting is drop-all */
uint8_t drop_all_ucast = 1, drop_all_mcast = 1;
uint8_t accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
uint8_t unmatched_unicast = 0;
/* In e1x there we only take into account rx accept flag since tx switching
* isn't enabled. */
if (ECORE_TEST_BIT(ECORE_ACCEPT_UNICAST, &p->rx_accept_flags))
/* accept matched ucast */
drop_all_ucast = 0;
if (ECORE_TEST_BIT(ECORE_ACCEPT_MULTICAST, &p->rx_accept_flags))
/* accept matched mcast */
drop_all_mcast = 0;
if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_UNICAST, &p->rx_accept_flags)) {
/* accept all mcast */
drop_all_ucast = 0;
accp_all_ucast = 1;
}
if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_MULTICAST, &p->rx_accept_flags)) {
/* accept all mcast */
drop_all_mcast = 0;
accp_all_mcast = 1;
}
if (ECORE_TEST_BIT(ECORE_ACCEPT_BROADCAST, &p->rx_accept_flags))
/* accept (all) bcast */
accp_all_bcast = 1;
if (ECORE_TEST_BIT(ECORE_ACCEPT_UNMATCHED, &p->rx_accept_flags))
/* accept unmatched unicasts */
unmatched_unicast = 1;
mac_filters->ucast_drop_all = drop_all_ucast ?
mac_filters->ucast_drop_all | mask :
mac_filters->ucast_drop_all & ~mask;
mac_filters->mcast_drop_all = drop_all_mcast ?
mac_filters->mcast_drop_all | mask :
mac_filters->mcast_drop_all & ~mask;
mac_filters->ucast_accept_all = accp_all_ucast ?
mac_filters->ucast_accept_all | mask :
mac_filters->ucast_accept_all & ~mask;
mac_filters->mcast_accept_all = accp_all_mcast ?
mac_filters->mcast_accept_all | mask :
mac_filters->mcast_accept_all & ~mask;
mac_filters->bcast_accept_all = accp_all_bcast ?
mac_filters->bcast_accept_all | mask :
mac_filters->bcast_accept_all & ~mask;
mac_filters->unmatched_unicast = unmatched_unicast ?
mac_filters->unmatched_unicast | mask :
mac_filters->unmatched_unicast & ~mask;
ECORE_MSG(sc, "drop_ucast 0x%x\ndrop_mcast 0x%x\n accp_ucast 0x%x\n"
"accp_mcast 0x%x\naccp_bcast 0x%x\n",
mac_filters->ucast_drop_all, mac_filters->mcast_drop_all,
mac_filters->ucast_accept_all, mac_filters->mcast_accept_all,
mac_filters->bcast_accept_all);
/* write the MAC filter structure*/
__storm_memset_mac_filters(sc, mac_filters, p->func_id);
/* The operation is completed */
ECORE_CLEAR_BIT(p->state, p->pstate);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
return ECORE_SUCCESS;
}
/* Setup ramrod data */
static inline void ecore_rx_mode_set_rdata_hdr_e2(uint32_t cid,
struct eth_classify_header *hdr,
uint8_t rule_cnt)
{
hdr->echo = ECORE_CPU_TO_LE32(cid);
hdr->rule_cnt = rule_cnt;
}
static inline void ecore_rx_mode_set_cmd_state_e2(struct bxe_softc *sc,
unsigned long *accept_flags,
struct eth_filter_rules_cmd *cmd,
bool clear_accept_all)
{
uint16_t state;
/* start with 'drop-all' */
state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL |
ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
if (ECORE_TEST_BIT(ECORE_ACCEPT_UNICAST, accept_flags))
state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
if (ECORE_TEST_BIT(ECORE_ACCEPT_MULTICAST, accept_flags))
state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_UNICAST, accept_flags)) {
state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
}
if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_MULTICAST, accept_flags)) {
state |= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
}
if (ECORE_TEST_BIT(ECORE_ACCEPT_BROADCAST, accept_flags))
state |= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
if (ECORE_TEST_BIT(ECORE_ACCEPT_UNMATCHED, accept_flags)) {
state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
}
if (ECORE_TEST_BIT(ECORE_ACCEPT_ANY_VLAN, accept_flags))
state |= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN;
/* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */
if (clear_accept_all) {
state &= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
state &= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
}
cmd->state = ECORE_CPU_TO_LE16(state);
}
static int ecore_set_rx_mode_e2(struct bxe_softc *sc,
struct ecore_rx_mode_ramrod_params *p)
{
struct eth_filter_rules_ramrod_data *data = p->rdata;
int rc;
uint8_t rule_idx = 0;
/* Reset the ramrod data buffer */
ECORE_MEMSET(data, 0, sizeof(*data));
/* Setup ramrod data */
/* Tx (internal switching) */
if (ECORE_TEST_BIT(RAMROD_TX, &p->ramrod_flags)) {
data->rules[rule_idx].client_id = p->cl_id;
data->rules[rule_idx].func_id = p->func_id;
data->rules[rule_idx].cmd_general_data =
ETH_FILTER_RULES_CMD_TX_CMD;
ecore_rx_mode_set_cmd_state_e2(sc, &p->tx_accept_flags,
&(data->rules[rule_idx++]),
FALSE);
}
/* Rx */
if (ECORE_TEST_BIT(RAMROD_RX, &p->ramrod_flags)) {
data->rules[rule_idx].client_id = p->cl_id;
data->rules[rule_idx].func_id = p->func_id;
data->rules[rule_idx].cmd_general_data =
ETH_FILTER_RULES_CMD_RX_CMD;
ecore_rx_mode_set_cmd_state_e2(sc, &p->rx_accept_flags,
&(data->rules[rule_idx++]),
FALSE);
}
/* If FCoE Queue configuration has been requested configure the Rx and
* internal switching modes for this queue in separate rules.
*
* FCoE queue shell never be set to ACCEPT_ALL packets of any sort:
* MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED.
*/
if (ECORE_TEST_BIT(ECORE_RX_MODE_FCOE_ETH, &p->rx_mode_flags)) {
/* Tx (internal switching) */
if (ECORE_TEST_BIT(RAMROD_TX, &p->ramrod_flags)) {
data->rules[rule_idx].client_id = ECORE_FCOE_CID(sc);
data->rules[rule_idx].func_id = p->func_id;
data->rules[rule_idx].cmd_general_data =
ETH_FILTER_RULES_CMD_TX_CMD;
ecore_rx_mode_set_cmd_state_e2(sc, &p->tx_accept_flags,
&(data->rules[rule_idx]),
TRUE);
rule_idx++;
}
/* Rx */
if (ECORE_TEST_BIT(RAMROD_RX, &p->ramrod_flags)) {
data->rules[rule_idx].client_id = ECORE_FCOE_CID(sc);
data->rules[rule_idx].func_id = p->func_id;
data->rules[rule_idx].cmd_general_data =
ETH_FILTER_RULES_CMD_RX_CMD;
ecore_rx_mode_set_cmd_state_e2(sc, &p->rx_accept_flags,
&(data->rules[rule_idx]),
TRUE);
rule_idx++;
}
}
/* Set the ramrod header (most importantly - number of rules to
* configure).
*/
ecore_rx_mode_set_rdata_hdr_e2(p->cid, &data->header, rule_idx);
ECORE_MSG(sc, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx\n",
data->header.rule_cnt, p->rx_accept_flags,
p->tx_accept_flags);
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
/* Send a ramrod */
rc = ecore_sp_post(sc,
RAMROD_CMD_ID_ETH_FILTER_RULES,
p->cid,
p->rdata_mapping,
ETH_CONNECTION_TYPE);
if (rc)
return rc;
/* Ramrod completion is pending */
return ECORE_PENDING;
}
static int ecore_wait_rx_mode_comp_e2(struct bxe_softc *sc,
struct ecore_rx_mode_ramrod_params *p)
{
return ecore_state_wait(sc, p->state, p->pstate);
}
static int ecore_empty_rx_mode_wait(struct bxe_softc *sc,
struct ecore_rx_mode_ramrod_params *p)
{
/* Do nothing */
return ECORE_SUCCESS;
}
int ecore_config_rx_mode(struct bxe_softc *sc,
struct ecore_rx_mode_ramrod_params *p)
{
int rc;
/* Configure the new classification in the chip */
rc = p->rx_mode_obj->config_rx_mode(sc, p);
if (rc < 0)
return rc;
/* Wait for a ramrod completion if was requested */
if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
rc = p->rx_mode_obj->wait_comp(sc, p);
if (rc)
return rc;
}
return rc;
}
void ecore_init_rx_mode_obj(struct bxe_softc *sc,
struct ecore_rx_mode_obj *o)
{
if (CHIP_IS_E1x(sc)) {
o->wait_comp = ecore_empty_rx_mode_wait;
o->config_rx_mode = ecore_set_rx_mode_e1x;
} else {
o->wait_comp = ecore_wait_rx_mode_comp_e2;
o->config_rx_mode = ecore_set_rx_mode_e2;
}
}
/********************* Multicast verbs: SET, CLEAR ****************************/
static inline uint8_t ecore_mcast_bin_from_mac(uint8_t *mac)
{
return (ECORE_CRC32_LE(0, mac, ETH_ALEN) >> 24) & 0xff;
}
struct ecore_mcast_mac_elem {
ecore_list_entry_t link;
uint8_t mac[ETH_ALEN];
uint8_t pad[2]; /* For a natural alignment of the following buffer */
};
struct ecore_pending_mcast_cmd {
ecore_list_entry_t link;
int type; /* ECORE_MCAST_CMD_X */
union {
ecore_list_t macs_head;
uint32_t macs_num; /* Needed for DEL command */
int next_bin; /* Needed for RESTORE flow with aprox match */
} data;
bool done; /* set to TRUE, when the command has been handled,
* practically used in 57712 handling only, where one pending
* command may be handled in a few operations. As long as for
* other chips every operation handling is completed in a
* single ramrod, there is no need to utilize this field.
*/
};
static int ecore_mcast_wait(struct bxe_softc *sc,
struct ecore_mcast_obj *o)
{
if (ecore_state_wait(sc, o->sched_state, o->raw.pstate) ||
o->raw.wait_comp(sc, &o->raw))
return ECORE_TIMEOUT;
return ECORE_SUCCESS;
}
static int ecore_mcast_enqueue_cmd(struct bxe_softc *sc,
struct ecore_mcast_obj *o,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
int total_sz;
struct ecore_pending_mcast_cmd *new_cmd;
struct ecore_mcast_mac_elem *cur_mac = NULL;
struct ecore_mcast_list_elem *pos;
int macs_list_len = ((cmd == ECORE_MCAST_CMD_ADD) ?
p->mcast_list_len : 0);
/* If the command is empty ("handle pending commands only"), break */
if (!p->mcast_list_len)
return ECORE_SUCCESS;
total_sz = sizeof(*new_cmd) +
macs_list_len * sizeof(struct ecore_mcast_mac_elem);
/* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */
new_cmd = ECORE_ZALLOC(total_sz, GFP_ATOMIC, sc);
if (!new_cmd)
return ECORE_NOMEM;
ECORE_MSG(sc, "About to enqueue a new %d command. macs_list_len=%d\n",
cmd, macs_list_len);
ECORE_LIST_INIT(&new_cmd->data.macs_head);
new_cmd->type = cmd;
new_cmd->done = FALSE;
switch (cmd) {
case ECORE_MCAST_CMD_ADD:
cur_mac = (struct ecore_mcast_mac_elem *)
((uint8_t *)new_cmd + sizeof(*new_cmd));
/* Push the MACs of the current command into the pending command
* MACs list: FIFO
*/
ECORE_LIST_FOR_EACH_ENTRY(pos, &p->mcast_list, link,
struct ecore_mcast_list_elem) {
ECORE_MEMCPY(cur_mac->mac, pos->mac, ETH_ALEN);
ECORE_LIST_PUSH_TAIL(&cur_mac->link,
&new_cmd->data.macs_head);
cur_mac++;
}
break;
case ECORE_MCAST_CMD_DEL:
new_cmd->data.macs_num = p->mcast_list_len;
break;
case ECORE_MCAST_CMD_RESTORE:
new_cmd->data.next_bin = 0;
break;
default:
ECORE_FREE(sc, new_cmd, total_sz);
ECORE_ERR("Unknown command: %d\n", cmd);
return ECORE_INVAL;
}
/* Push the new pending command to the tail of the pending list: FIFO */
ECORE_LIST_PUSH_TAIL(&new_cmd->link, &o->pending_cmds_head);
o->set_sched(o);
return ECORE_PENDING;
}
/**
* ecore_mcast_get_next_bin - get the next set bin (index)
*
* @o:
* @last: index to start looking from (including)
*
* returns the next found (set) bin or a negative value if none is found.
*/
static inline int ecore_mcast_get_next_bin(struct ecore_mcast_obj *o, int last)
{
int i, j, inner_start = last % BIT_VEC64_ELEM_SZ;
for (i = last / BIT_VEC64_ELEM_SZ; i < ECORE_MCAST_VEC_SZ; i++) {
if (o->registry.aprox_match.vec[i])
for (j = inner_start; j < BIT_VEC64_ELEM_SZ; j++) {
int cur_bit = j + BIT_VEC64_ELEM_SZ * i;
if (BIT_VEC64_TEST_BIT(o->registry.aprox_match.
vec, cur_bit)) {
return cur_bit;
}
}
inner_start = 0;
}
/* None found */
return -1;
}
/**
* ecore_mcast_clear_first_bin - find the first set bin and clear it
*
* @o:
*
* returns the index of the found bin or -1 if none is found
*/
static inline int ecore_mcast_clear_first_bin(struct ecore_mcast_obj *o)
{
int cur_bit = ecore_mcast_get_next_bin(o, 0);
if (cur_bit >= 0)
BIT_VEC64_CLEAR_BIT(o->registry.aprox_match.vec, cur_bit);
return cur_bit;
}
static inline uint8_t ecore_mcast_get_rx_tx_flag(struct ecore_mcast_obj *o)
{
struct ecore_raw_obj *raw = &o->raw;
uint8_t rx_tx_flag = 0;
if ((raw->obj_type == ECORE_OBJ_TYPE_TX) ||
(raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
rx_tx_flag |= ETH_MULTICAST_RULES_CMD_TX_CMD;
if ((raw->obj_type == ECORE_OBJ_TYPE_RX) ||
(raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
rx_tx_flag |= ETH_MULTICAST_RULES_CMD_RX_CMD;
return rx_tx_flag;
}
static void ecore_mcast_set_one_rule_e2(struct bxe_softc *sc,
struct ecore_mcast_obj *o, int idx,
union ecore_mcast_config_data *cfg_data,
enum ecore_mcast_cmd cmd)
{
struct ecore_raw_obj *r = &o->raw;
struct eth_multicast_rules_ramrod_data *data =
(struct eth_multicast_rules_ramrod_data *)(r->rdata);
uint8_t func_id = r->func_id;
uint8_t rx_tx_add_flag = ecore_mcast_get_rx_tx_flag(o);
int bin;
if ((cmd == ECORE_MCAST_CMD_ADD) || (cmd == ECORE_MCAST_CMD_RESTORE))
rx_tx_add_flag |= ETH_MULTICAST_RULES_CMD_IS_ADD;
data->rules[idx].cmd_general_data |= rx_tx_add_flag;
/* Get a bin and update a bins' vector */
switch (cmd) {
case ECORE_MCAST_CMD_ADD:
bin = ecore_mcast_bin_from_mac(cfg_data->mac);
BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bin);
break;
case ECORE_MCAST_CMD_DEL:
/* If there were no more bins to clear
* (ecore_mcast_clear_first_bin() returns -1) then we would
* clear any (0xff) bin.
* See ecore_mcast_validate_e2() for explanation when it may
* happen.
*/
bin = ecore_mcast_clear_first_bin(o);
break;
case ECORE_MCAST_CMD_RESTORE:
bin = cfg_data->bin;
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd);
return;
}
ECORE_MSG(sc, "%s bin %d\n",
((rx_tx_add_flag & ETH_MULTICAST_RULES_CMD_IS_ADD) ?
"Setting" : "Clearing"), bin);
data->rules[idx].bin_id = (uint8_t)bin;
data->rules[idx].func_id = func_id;
data->rules[idx].engine_id = o->engine_id;
}
/**
* ecore_mcast_handle_restore_cmd_e2 - restore configuration from the registry
*
* @sc: device handle
* @o:
* @start_bin: index in the registry to start from (including)
* @rdata_idx: index in the ramrod data to start from
*
* returns last handled bin index or -1 if all bins have been handled
*/
static inline int ecore_mcast_handle_restore_cmd_e2(
struct bxe_softc *sc, struct ecore_mcast_obj *o , int start_bin,
int *rdata_idx)
{
int cur_bin, cnt = *rdata_idx;
union ecore_mcast_config_data cfg_data = {NULL};
/* go through the registry and configure the bins from it */
for (cur_bin = ecore_mcast_get_next_bin(o, start_bin); cur_bin >= 0;
cur_bin = ecore_mcast_get_next_bin(o, cur_bin + 1)) {
cfg_data.bin = (uint8_t)cur_bin;
o->set_one_rule(sc, o, cnt, &cfg_data,
ECORE_MCAST_CMD_RESTORE);
cnt++;
ECORE_MSG(sc, "About to configure a bin %d\n", cur_bin);
/* Break if we reached the maximum number
* of rules.
*/
if (cnt >= o->max_cmd_len)
break;
}
*rdata_idx = cnt;
return cur_bin;
}
static inline void ecore_mcast_hdl_pending_add_e2(struct bxe_softc *sc,
struct ecore_mcast_obj *o, struct ecore_pending_mcast_cmd *cmd_pos,
int *line_idx)
{
struct ecore_mcast_mac_elem *pmac_pos, *pmac_pos_n;
int cnt = *line_idx;
union ecore_mcast_config_data cfg_data = {NULL};
ECORE_LIST_FOR_EACH_ENTRY_SAFE(pmac_pos, pmac_pos_n,
&cmd_pos->data.macs_head, link, struct ecore_mcast_mac_elem) {
cfg_data.mac = &pmac_pos->mac[0];
o->set_one_rule(sc, o, cnt, &cfg_data, cmd_pos->type);
cnt++;
ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
pmac_pos->mac[0], pmac_pos->mac[1], pmac_pos->mac[2], pmac_pos->mac[3], pmac_pos->mac[4], pmac_pos->mac[5]);
ECORE_LIST_REMOVE_ENTRY(&pmac_pos->link,
&cmd_pos->data.macs_head);
/* Break if we reached the maximum number
* of rules.
*/
if (cnt >= o->max_cmd_len)
break;
}
*line_idx = cnt;
/* if no more MACs to configure - we are done */
if (ECORE_LIST_IS_EMPTY(&cmd_pos->data.macs_head))
cmd_pos->done = TRUE;
}
static inline void ecore_mcast_hdl_pending_del_e2(struct bxe_softc *sc,
struct ecore_mcast_obj *o, struct ecore_pending_mcast_cmd *cmd_pos,
int *line_idx)
{
int cnt = *line_idx;
while (cmd_pos->data.macs_num) {
o->set_one_rule(sc, o, cnt, NULL, cmd_pos->type);
cnt++;
cmd_pos->data.macs_num--;
ECORE_MSG(sc, "Deleting MAC. %d left,cnt is %d\n",
cmd_pos->data.macs_num, cnt);
/* Break if we reached the maximum
* number of rules.
*/
if (cnt >= o->max_cmd_len)
break;
}
*line_idx = cnt;
/* If we cleared all bins - we are done */
if (!cmd_pos->data.macs_num)
cmd_pos->done = TRUE;
}
static inline void ecore_mcast_hdl_pending_restore_e2(struct bxe_softc *sc,
struct ecore_mcast_obj *o, struct ecore_pending_mcast_cmd *cmd_pos,
int *line_idx)
{
cmd_pos->data.next_bin = o->hdl_restore(sc, o, cmd_pos->data.next_bin,
line_idx);
if (cmd_pos->data.next_bin < 0)
/* If o->set_restore returned -1 we are done */
cmd_pos->done = TRUE;
else
/* Start from the next bin next time */
cmd_pos->data.next_bin++;
}
static inline int ecore_mcast_handle_pending_cmds_e2(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p)
{
struct ecore_pending_mcast_cmd *cmd_pos, *cmd_pos_n;
int cnt = 0;
struct ecore_mcast_obj *o = p->mcast_obj;
ECORE_LIST_FOR_EACH_ENTRY_SAFE(cmd_pos, cmd_pos_n,
&o->pending_cmds_head, link, struct ecore_pending_mcast_cmd) {
switch (cmd_pos->type) {
case ECORE_MCAST_CMD_ADD:
ecore_mcast_hdl_pending_add_e2(sc, o, cmd_pos, &cnt);
break;
case ECORE_MCAST_CMD_DEL:
ecore_mcast_hdl_pending_del_e2(sc, o, cmd_pos, &cnt);
break;
case ECORE_MCAST_CMD_RESTORE:
ecore_mcast_hdl_pending_restore_e2(sc, o, cmd_pos,
&cnt);
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd_pos->type);
return ECORE_INVAL;
}
/* If the command has been completed - remove it from the list
* and free the memory
*/
if (cmd_pos->done) {
ECORE_LIST_REMOVE_ENTRY(&cmd_pos->link,
&o->pending_cmds_head);
ECORE_FREE(sc, cmd_pos, cmd_pos->alloc_len);
}
/* Break if we reached the maximum number of rules */
if (cnt >= o->max_cmd_len)
break;
}
return cnt;
}
static inline void ecore_mcast_hdl_add(struct bxe_softc *sc,
struct ecore_mcast_obj *o, struct ecore_mcast_ramrod_params *p,
int *line_idx)
{
struct ecore_mcast_list_elem *mlist_pos;
union ecore_mcast_config_data cfg_data = {NULL};
int cnt = *line_idx;
ECORE_LIST_FOR_EACH_ENTRY(mlist_pos, &p->mcast_list, link,
struct ecore_mcast_list_elem) {
cfg_data.mac = mlist_pos->mac;
o->set_one_rule(sc, o, cnt, &cfg_data, ECORE_MCAST_CMD_ADD);
cnt++;
ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
mlist_pos->mac[0], mlist_pos->mac[1], mlist_pos->mac[2], mlist_pos->mac[3], mlist_pos->mac[4], mlist_pos->mac[5]);
}
*line_idx = cnt;
}
static inline void ecore_mcast_hdl_del(struct bxe_softc *sc,
struct ecore_mcast_obj *o, struct ecore_mcast_ramrod_params *p,
int *line_idx)
{
int cnt = *line_idx, i;
for (i = 0; i < p->mcast_list_len; i++) {
o->set_one_rule(sc, o, cnt, NULL, ECORE_MCAST_CMD_DEL);
cnt++;
ECORE_MSG(sc, "Deleting MAC. %d left\n",
p->mcast_list_len - i - 1);
}
*line_idx = cnt;
}
/**
* ecore_mcast_handle_current_cmd -
*
* @sc: device handle
* @p:
* @cmd:
* @start_cnt: first line in the ramrod data that may be used
*
* This function is called iff there is enough place for the current command in
* the ramrod data.
* Returns number of lines filled in the ramrod data in total.
*/
static inline int ecore_mcast_handle_current_cmd(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd,
int start_cnt)
{
struct ecore_mcast_obj *o = p->mcast_obj;
int cnt = start_cnt;
ECORE_MSG(sc, "p->mcast_list_len=%d\n", p->mcast_list_len);
switch (cmd) {
case ECORE_MCAST_CMD_ADD:
ecore_mcast_hdl_add(sc, o, p, &cnt);
break;
case ECORE_MCAST_CMD_DEL:
ecore_mcast_hdl_del(sc, o, p, &cnt);
break;
case ECORE_MCAST_CMD_RESTORE:
o->hdl_restore(sc, o, 0, &cnt);
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd);
return ECORE_INVAL;
}
/* The current command has been handled */
p->mcast_list_len = 0;
return cnt;
}
static int ecore_mcast_validate_e2(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
struct ecore_mcast_obj *o = p->mcast_obj;
int reg_sz = o->get_registry_size(o);
switch (cmd) {
/* DEL command deletes all currently configured MACs */
case ECORE_MCAST_CMD_DEL:
o->set_registry_size(o, 0);
/* Don't break */
/* RESTORE command will restore the entire multicast configuration */
case ECORE_MCAST_CMD_RESTORE:
/* Here we set the approximate amount of work to do, which in
* fact may be only less as some MACs in postponed ADD
* command(s) scheduled before this command may fall into
* the same bin and the actual number of bins set in the
* registry would be less than we estimated here. See
* ecore_mcast_set_one_rule_e2() for further details.
*/
p->mcast_list_len = reg_sz;
break;
case ECORE_MCAST_CMD_ADD:
case ECORE_MCAST_CMD_CONT:
/* Here we assume that all new MACs will fall into new bins.
* However we will correct the real registry size after we
* handle all pending commands.
*/
o->set_registry_size(o, reg_sz + p->mcast_list_len);
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd);
return ECORE_INVAL;
}
/* Increase the total number of MACs pending to be configured */
o->total_pending_num += p->mcast_list_len;
return ECORE_SUCCESS;
}
static void ecore_mcast_revert_e2(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
int old_num_bins)
{
struct ecore_mcast_obj *o = p->mcast_obj;
o->set_registry_size(o, old_num_bins);
o->total_pending_num -= p->mcast_list_len;
}
/**
* ecore_mcast_set_rdata_hdr_e2 - sets a header values
*
* @sc: device handle
* @p:
* @len: number of rules to handle
*/
static inline void ecore_mcast_set_rdata_hdr_e2(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
uint8_t len)
{
struct ecore_raw_obj *r = &p->mcast_obj->raw;
struct eth_multicast_rules_ramrod_data *data =
(struct eth_multicast_rules_ramrod_data *)(r->rdata);
data->header.echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
(ECORE_FILTER_MCAST_PENDING <<
ECORE_SWCID_SHIFT));
data->header.rule_cnt = len;
}
/**
* ecore_mcast_refresh_registry_e2 - recalculate the actual number of set bins
*
* @sc: device handle
* @o:
*
* Recalculate the actual number of set bins in the registry using Brian
* Kernighan's algorithm: it's execution complexity is as a number of set bins.
*
* returns 0 for the compliance with ecore_mcast_refresh_registry_e1().
*/
static inline int ecore_mcast_refresh_registry_e2(struct bxe_softc *sc,
struct ecore_mcast_obj *o)
{
int i, cnt = 0;
uint64_t elem;
for (i = 0; i < ECORE_MCAST_VEC_SZ; i++) {
elem = o->registry.aprox_match.vec[i];
for (; elem; cnt++)
elem &= elem - 1;
}
o->set_registry_size(o, cnt);
return ECORE_SUCCESS;
}
static int ecore_mcast_setup_e2(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
struct ecore_raw_obj *raw = &p->mcast_obj->raw;
struct ecore_mcast_obj *o = p->mcast_obj;
struct eth_multicast_rules_ramrod_data *data =
(struct eth_multicast_rules_ramrod_data *)(raw->rdata);
int cnt = 0, rc;
/* Reset the ramrod data buffer */
ECORE_MEMSET(data, 0, sizeof(*data));
cnt = ecore_mcast_handle_pending_cmds_e2(sc, p);
/* If there are no more pending commands - clear SCHEDULED state */
if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
o->clear_sched(o);
/* The below may be TRUE iff there was enough room in ramrod
* data for all pending commands and for the current
* command. Otherwise the current command would have been added
* to the pending commands and p->mcast_list_len would have been
* zeroed.
*/
if (p->mcast_list_len > 0)
cnt = ecore_mcast_handle_current_cmd(sc, p, cmd, cnt);
/* We've pulled out some MACs - update the total number of
* outstanding.
*/
o->total_pending_num -= cnt;
/* send a ramrod */
ECORE_DBG_BREAK_IF(o->total_pending_num < 0);
ECORE_DBG_BREAK_IF(cnt > o->max_cmd_len);
ecore_mcast_set_rdata_hdr_e2(sc, p, (uint8_t)cnt);
/* Update a registry size if there are no more pending operations.
*
* We don't want to change the value of the registry size if there are
* pending operations because we want it to always be equal to the
* exact or the approximate number (see ecore_mcast_validate_e2()) of
* set bins after the last requested operation in order to properly
* evaluate the size of the next DEL/RESTORE operation.
*
* Note that we update the registry itself during command(s) handling
* - see ecore_mcast_set_one_rule_e2(). That's because for 57712 we
* aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but
* with a limited amount of update commands (per MAC/bin) and we don't
* know in this scope what the actual state of bins configuration is
* going to be after this ramrod.
*/
if (!o->total_pending_num)
ecore_mcast_refresh_registry_e2(sc, o);
/* If CLEAR_ONLY was requested - don't send a ramrod and clear
* RAMROD_PENDING status immediately.
*/
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
raw->clear_pending(raw);
return ECORE_SUCCESS;
} else {
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
/* Send a ramrod */
rc = ecore_sp_post( sc,
RAMROD_CMD_ID_ETH_MULTICAST_RULES,
raw->cid,
raw->rdata_mapping,
ETH_CONNECTION_TYPE);
if (rc)
return rc;
/* Ramrod completion is pending */
return ECORE_PENDING;
}
}
static int ecore_mcast_validate_e1h(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
/* Mark, that there is a work to do */
if ((cmd == ECORE_MCAST_CMD_DEL) || (cmd == ECORE_MCAST_CMD_RESTORE))
p->mcast_list_len = 1;
return ECORE_SUCCESS;
}
static void ecore_mcast_revert_e1h(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
int old_num_bins)
{
/* Do nothing */
}
#define ECORE_57711_SET_MC_FILTER(filter, bit) \
do { \
(filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \
} while (0)
static inline void ecore_mcast_hdl_add_e1h(struct bxe_softc *sc,
struct ecore_mcast_obj *o,
struct ecore_mcast_ramrod_params *p,
uint32_t *mc_filter)
{
struct ecore_mcast_list_elem *mlist_pos;
int bit;
ECORE_LIST_FOR_EACH_ENTRY(mlist_pos, &p->mcast_list, link,
struct ecore_mcast_list_elem) {
bit = ecore_mcast_bin_from_mac(mlist_pos->mac);
ECORE_57711_SET_MC_FILTER(mc_filter, bit);
ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC, bin %d\n",
mlist_pos->mac[0], mlist_pos->mac[1], mlist_pos->mac[2], mlist_pos->mac[3], mlist_pos->mac[4], mlist_pos->mac[5], bit);
/* bookkeeping... */
BIT_VEC64_SET_BIT(o->registry.aprox_match.vec,
bit);
}
}
static inline void ecore_mcast_hdl_restore_e1h(struct bxe_softc *sc,
struct ecore_mcast_obj *o, struct ecore_mcast_ramrod_params *p,
uint32_t *mc_filter)
{
int bit;
for (bit = ecore_mcast_get_next_bin(o, 0);
bit >= 0;
bit = ecore_mcast_get_next_bin(o, bit + 1)) {
ECORE_57711_SET_MC_FILTER(mc_filter, bit);
ECORE_MSG(sc, "About to set bin %d\n", bit);
}
}
/* On 57711 we write the multicast MACs' approximate match
* table by directly into the TSTORM's internal RAM. So we don't
* really need to handle any tricks to make it work.
*/
static int ecore_mcast_setup_e1h(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
int i;
struct ecore_mcast_obj *o = p->mcast_obj;
struct ecore_raw_obj *r = &o->raw;
/* If CLEAR_ONLY has been requested - clear the registry
* and clear a pending bit.
*/
if (!ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
uint32_t mc_filter[ECORE_MC_HASH_SIZE] = {0};
/* Set the multicast filter bits before writing it into
* the internal memory.
*/
switch (cmd) {
case ECORE_MCAST_CMD_ADD:
ecore_mcast_hdl_add_e1h(sc, o, p, mc_filter);
break;
case ECORE_MCAST_CMD_DEL:
ECORE_MSG(sc,
"Invalidating multicast MACs configuration\n");
/* clear the registry */
ECORE_MEMSET(o->registry.aprox_match.vec, 0,
sizeof(o->registry.aprox_match.vec));
break;
case ECORE_MCAST_CMD_RESTORE:
ecore_mcast_hdl_restore_e1h(sc, o, p, mc_filter);
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd);
return ECORE_INVAL;
}
/* Set the mcast filter in the internal memory */
for (i = 0; i < ECORE_MC_HASH_SIZE; i++)
REG_WR(sc, ECORE_MC_HASH_OFFSET(sc, i), mc_filter[i]);
} else
/* clear the registry */
ECORE_MEMSET(o->registry.aprox_match.vec, 0,
sizeof(o->registry.aprox_match.vec));
/* We are done */
r->clear_pending(r);
return ECORE_SUCCESS;
}
static int ecore_mcast_validate_e1(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
struct ecore_mcast_obj *o = p->mcast_obj;
int reg_sz = o->get_registry_size(o);
switch (cmd) {
/* DEL command deletes all currently configured MACs */
case ECORE_MCAST_CMD_DEL:
o->set_registry_size(o, 0);
/* Don't break */
/* RESTORE command will restore the entire multicast configuration */
case ECORE_MCAST_CMD_RESTORE:
p->mcast_list_len = reg_sz;
ECORE_MSG(sc, "Command %d, p->mcast_list_len=%d\n",
cmd, p->mcast_list_len);
break;
case ECORE_MCAST_CMD_ADD:
case ECORE_MCAST_CMD_CONT:
/* Multicast MACs on 57710 are configured as unicast MACs and
* there is only a limited number of CAM entries for that
* matter.
*/
if (p->mcast_list_len > o->max_cmd_len) {
ECORE_ERR("Can't configure more than %d multicast MACs on 57710\n",
o->max_cmd_len);
return ECORE_INVAL;
}
/* Every configured MAC should be cleared if DEL command is
* called. Only the last ADD command is relevant as long as
* every ADD commands overrides the previous configuration.
*/
ECORE_MSG(sc, "p->mcast_list_len=%d\n", p->mcast_list_len);
if (p->mcast_list_len > 0)
o->set_registry_size(o, p->mcast_list_len);
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd);
return ECORE_INVAL;
}
/* We want to ensure that commands are executed one by one for 57710.
* Therefore each none-empty command will consume o->max_cmd_len.
*/
if (p->mcast_list_len)
o->total_pending_num += o->max_cmd_len;
return ECORE_SUCCESS;
}
static void ecore_mcast_revert_e1(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
int old_num_macs)
{
struct ecore_mcast_obj *o = p->mcast_obj;
o->set_registry_size(o, old_num_macs);
/* If current command hasn't been handled yet and we are
* here means that it's meant to be dropped and we have to
* update the number of outstanding MACs accordingly.
*/
if (p->mcast_list_len)
o->total_pending_num -= o->max_cmd_len;
}
static void ecore_mcast_set_one_rule_e1(struct bxe_softc *sc,
struct ecore_mcast_obj *o, int idx,
union ecore_mcast_config_data *cfg_data,
enum ecore_mcast_cmd cmd)
{
struct ecore_raw_obj *r = &o->raw;
struct mac_configuration_cmd *data =
(struct mac_configuration_cmd *)(r->rdata);
/* copy mac */
if ((cmd == ECORE_MCAST_CMD_ADD) || (cmd == ECORE_MCAST_CMD_RESTORE)) {
ecore_set_fw_mac_addr(&data->config_table[idx].msb_mac_addr,
&data->config_table[idx].middle_mac_addr,
&data->config_table[idx].lsb_mac_addr,
cfg_data->mac);
data->config_table[idx].vlan_id = 0;
data->config_table[idx].pf_id = r->func_id;
data->config_table[idx].clients_bit_vector =
ECORE_CPU_TO_LE32(1 << r->cl_id);
ECORE_SET_FLAG(data->config_table[idx].flags,
MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
T_ETH_MAC_COMMAND_SET);
}
}
/**
* ecore_mcast_set_rdata_hdr_e1 - set header values in mac_configuration_cmd
*
* @sc: device handle
* @p:
* @len: number of rules to handle
*/
static inline void ecore_mcast_set_rdata_hdr_e1(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
uint8_t len)
{
struct ecore_raw_obj *r = &p->mcast_obj->raw;
struct mac_configuration_cmd *data =
(struct mac_configuration_cmd *)(r->rdata);
uint8_t offset = (CHIP_REV_IS_SLOW(sc) ?
ECORE_MAX_EMUL_MULTI*(1 + r->func_id) :
ECORE_MAX_MULTICAST*(1 + r->func_id));
data->hdr.offset = offset;
data->hdr.client_id = ECORE_CPU_TO_LE16(0xff);
data->hdr.echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
(ECORE_FILTER_MCAST_PENDING <<
ECORE_SWCID_SHIFT));
data->hdr.length = len;
}
/**
* ecore_mcast_handle_restore_cmd_e1 - restore command for 57710
*
* @sc: device handle
* @o:
* @start_idx: index in the registry to start from
* @rdata_idx: index in the ramrod data to start from
*
* restore command for 57710 is like all other commands - always a stand alone
* command - start_idx and rdata_idx will always be 0. This function will always
* succeed.
* returns -1 to comply with 57712 variant.
*/
static inline int ecore_mcast_handle_restore_cmd_e1(
struct bxe_softc *sc, struct ecore_mcast_obj *o , int start_idx,
int *rdata_idx)
{
struct ecore_mcast_mac_elem *elem;
int i = 0;
union ecore_mcast_config_data cfg_data = {NULL};
/* go through the registry and configure the MACs from it. */
ECORE_LIST_FOR_EACH_ENTRY(elem, &o->registry.exact_match.macs, link,
struct ecore_mcast_mac_elem) {
cfg_data.mac = &elem->mac[0];
o->set_one_rule(sc, o, i, &cfg_data, ECORE_MCAST_CMD_RESTORE);
i++;
ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
cfg_data.mac[0], cfg_data.mac[1], cfg_data.mac[2], cfg_data.mac[3], cfg_data.mac[4], cfg_data.mac[5]);
}
*rdata_idx = i;
return -1;
}
static inline int ecore_mcast_handle_pending_cmds_e1(
struct bxe_softc *sc, struct ecore_mcast_ramrod_params *p)
{
struct ecore_pending_mcast_cmd *cmd_pos;
struct ecore_mcast_mac_elem *pmac_pos;
struct ecore_mcast_obj *o = p->mcast_obj;
union ecore_mcast_config_data cfg_data = {NULL};
int cnt = 0;
/* If nothing to be done - return */
if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
return 0;
/* Handle the first command */
cmd_pos = ECORE_LIST_FIRST_ENTRY(&o->pending_cmds_head,
struct ecore_pending_mcast_cmd, link);
switch (cmd_pos->type) {
case ECORE_MCAST_CMD_ADD:
ECORE_LIST_FOR_EACH_ENTRY(pmac_pos, &cmd_pos->data.macs_head,
link, struct ecore_mcast_mac_elem) {
cfg_data.mac = &pmac_pos->mac[0];
o->set_one_rule(sc, o, cnt, &cfg_data, cmd_pos->type);
cnt++;
ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
pmac_pos->mac[0], pmac_pos->mac[1], pmac_pos->mac[2], pmac_pos->mac[3], pmac_pos->mac[4], pmac_pos->mac[5]);
}
break;
case ECORE_MCAST_CMD_DEL:
cnt = cmd_pos->data.macs_num;
ECORE_MSG(sc, "About to delete %d multicast MACs\n", cnt);
break;
case ECORE_MCAST_CMD_RESTORE:
o->hdl_restore(sc, o, 0, &cnt);
break;
default:
ECORE_ERR("Unknown command: %d\n", cmd_pos->type);
return ECORE_INVAL;
}
ECORE_LIST_REMOVE_ENTRY(&cmd_pos->link, &o->pending_cmds_head);
ECORE_FREE(sc, cmd_pos, cmd_pos->alloc_len);
return cnt;
}
/**
* ecore_get_fw_mac_addr - revert the ecore_set_fw_mac_addr().
*
* @fw_hi:
* @fw_mid:
* @fw_lo:
* @mac:
*/
static inline void ecore_get_fw_mac_addr(uint16_t *fw_hi, uint16_t *fw_mid,
uint16_t *fw_lo, uint8_t *mac)
{
mac[1] = ((uint8_t *)fw_hi)[0];
mac[0] = ((uint8_t *)fw_hi)[1];
mac[3] = ((uint8_t *)fw_mid)[0];
mac[2] = ((uint8_t *)fw_mid)[1];
mac[5] = ((uint8_t *)fw_lo)[0];
mac[4] = ((uint8_t *)fw_lo)[1];
}
/**
* ecore_mcast_refresh_registry_e1 -
*
* @sc: device handle
* @cnt:
*
* Check the ramrod data first entry flag to see if it's a DELETE or ADD command
* and update the registry correspondingly: if ADD - allocate a memory and add
* the entries to the registry (list), if DELETE - clear the registry and free
* the memory.
*/
static inline int ecore_mcast_refresh_registry_e1(struct bxe_softc *sc,
struct ecore_mcast_obj *o)
{
struct ecore_raw_obj *raw = &o->raw;
struct ecore_mcast_mac_elem *elem;
struct mac_configuration_cmd *data =
(struct mac_configuration_cmd *)(raw->rdata);
/* If first entry contains a SET bit - the command was ADD,
* otherwise - DEL_ALL
*/
if (ECORE_GET_FLAG(data->config_table[0].flags,
MAC_CONFIGURATION_ENTRY_ACTION_TYPE)) {
int i, len = data->hdr.length;
/* Break if it was a RESTORE command */
if (!ECORE_LIST_IS_EMPTY(&o->registry.exact_match.macs))
return ECORE_SUCCESS;
elem = ECORE_CALLOC(len, sizeof(*elem), GFP_ATOMIC, sc);
if (!elem) {
ECORE_ERR("Failed to allocate registry memory\n");
return ECORE_NOMEM;
}
for (i = 0; i < len; i++, elem++) {
ecore_get_fw_mac_addr(
&data->config_table[i].msb_mac_addr,
&data->config_table[i].middle_mac_addr,
&data->config_table[i].lsb_mac_addr,
elem->mac);
ECORE_MSG(sc, "Adding registry entry for [%02x:%02x:%02x:%02x:%02x:%02x]\n",
elem->mac[0], elem->mac[1], elem->mac[2], elem->mac[3], elem->mac[4], elem->mac[5]);
ECORE_LIST_PUSH_TAIL(&elem->link,
&o->registry.exact_match.macs);
}
} else {
elem = ECORE_LIST_FIRST_ENTRY(&o->registry.exact_match.macs,
struct ecore_mcast_mac_elem,
link);
ECORE_MSG(sc, "Deleting a registry\n");
ECORE_FREE(sc, elem, sizeof(*elem));
ECORE_LIST_INIT(&o->registry.exact_match.macs);
}
return ECORE_SUCCESS;
}
static int ecore_mcast_setup_e1(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
struct ecore_mcast_obj *o = p->mcast_obj;
struct ecore_raw_obj *raw = &o->raw;
struct mac_configuration_cmd *data =
(struct mac_configuration_cmd *)(raw->rdata);
int cnt = 0, i, rc;
/* Reset the ramrod data buffer */
ECORE_MEMSET(data, 0, sizeof(*data));
/* First set all entries as invalid */
for (i = 0; i < o->max_cmd_len ; i++)
ECORE_SET_FLAG(data->config_table[i].flags,
MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
T_ETH_MAC_COMMAND_INVALIDATE);
/* Handle pending commands first */
cnt = ecore_mcast_handle_pending_cmds_e1(sc, p);
/* If there are no more pending commands - clear SCHEDULED state */
if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
o->clear_sched(o);
/* The below may be TRUE iff there were no pending commands */
if (!cnt)
cnt = ecore_mcast_handle_current_cmd(sc, p, cmd, 0);
/* For 57710 every command has o->max_cmd_len length to ensure that
* commands are done one at a time.
*/
o->total_pending_num -= o->max_cmd_len;
/* send a ramrod */
ECORE_DBG_BREAK_IF(cnt > o->max_cmd_len);
/* Set ramrod header (in particular, a number of entries to update) */
ecore_mcast_set_rdata_hdr_e1(sc, p, (uint8_t)cnt);
/* update a registry: we need the registry contents to be always up
* to date in order to be able to execute a RESTORE opcode. Here
* we use the fact that for 57710 we sent one command at a time
* hence we may take the registry update out of the command handling
* and do it in a simpler way here.
*/
rc = ecore_mcast_refresh_registry_e1(sc, o);
if (rc)
return rc;
/* If CLEAR_ONLY was requested - don't send a ramrod and clear
* RAMROD_PENDING status immediately.
*/
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
raw->clear_pending(raw);
return ECORE_SUCCESS;
} else {
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
/* Send a ramrod */
rc = ecore_sp_post( sc,
RAMROD_CMD_ID_ETH_SET_MAC,
raw->cid,
raw->rdata_mapping,
ETH_CONNECTION_TYPE);
if (rc)
return rc;
/* Ramrod completion is pending */
return ECORE_PENDING;
}
}
static int ecore_mcast_get_registry_size_exact(struct ecore_mcast_obj *o)
{
return o->registry.exact_match.num_macs_set;
}
static int ecore_mcast_get_registry_size_aprox(struct ecore_mcast_obj *o)
{
return o->registry.aprox_match.num_bins_set;
}
static void ecore_mcast_set_registry_size_exact(struct ecore_mcast_obj *o,
int n)
{
o->registry.exact_match.num_macs_set = n;
}
static void ecore_mcast_set_registry_size_aprox(struct ecore_mcast_obj *o,
int n)
{
o->registry.aprox_match.num_bins_set = n;
}
int ecore_config_mcast(struct bxe_softc *sc,
struct ecore_mcast_ramrod_params *p,
enum ecore_mcast_cmd cmd)
{
struct ecore_mcast_obj *o = p->mcast_obj;
struct ecore_raw_obj *r = &o->raw;
int rc = 0, old_reg_size;
/* This is needed to recover number of currently configured mcast macs
* in case of failure.
*/
old_reg_size = o->get_registry_size(o);
/* Do some calculations and checks */
rc = o->validate(sc, p, cmd);
if (rc)
return rc;
/* Return if there is no work to do */
if ((!p->mcast_list_len) && (!o->check_sched(o)))
return ECORE_SUCCESS;
ECORE_MSG(sc, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d\n",
o->total_pending_num, p->mcast_list_len, o->max_cmd_len);
/* Enqueue the current command to the pending list if we can't complete
* it in the current iteration
*/
if (r->check_pending(r) ||
((o->max_cmd_len > 0) && (o->total_pending_num > o->max_cmd_len))) {
rc = o->enqueue_cmd(sc, p->mcast_obj, p, cmd);
if (rc < 0)
goto error_exit1;
/* As long as the current command is in a command list we
* don't need to handle it separately.
*/
p->mcast_list_len = 0;
}
if (!r->check_pending(r)) {
/* Set 'pending' state */
r->set_pending(r);
/* Configure the new classification in the chip */
rc = o->config_mcast(sc, p, cmd);
if (rc < 0)
goto error_exit2;
/* Wait for a ramrod completion if was requested */
if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags))
rc = o->wait_comp(sc, o);
}
return rc;
error_exit2:
r->clear_pending(r);
error_exit1:
o->revert(sc, p, old_reg_size);
return rc;
}
static void ecore_mcast_clear_sched(struct ecore_mcast_obj *o)
{
ECORE_SMP_MB_BEFORE_CLEAR_BIT();
ECORE_CLEAR_BIT(o->sched_state, o->raw.pstate);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
}
static void ecore_mcast_set_sched(struct ecore_mcast_obj *o)
{
ECORE_SMP_MB_BEFORE_CLEAR_BIT();
ECORE_SET_BIT(o->sched_state, o->raw.pstate);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
}
static bool ecore_mcast_check_sched(struct ecore_mcast_obj *o)
{
return !!ECORE_TEST_BIT(o->sched_state, o->raw.pstate);
}
static bool ecore_mcast_check_pending(struct ecore_mcast_obj *o)
{
return o->raw.check_pending(&o->raw) || o->check_sched(o);
}
void ecore_init_mcast_obj(struct bxe_softc *sc,
struct ecore_mcast_obj *mcast_obj,
uint8_t mcast_cl_id, uint32_t mcast_cid, uint8_t func_id,
uint8_t engine_id, void *rdata, ecore_dma_addr_t rdata_mapping,
int state, unsigned long *pstate, ecore_obj_type type)
{
ECORE_MEMSET(mcast_obj, 0, sizeof(*mcast_obj));
ecore_init_raw_obj(&mcast_obj->raw, mcast_cl_id, mcast_cid, func_id,
rdata, rdata_mapping, state, pstate, type);
mcast_obj->engine_id = engine_id;
ECORE_LIST_INIT(&mcast_obj->pending_cmds_head);
mcast_obj->sched_state = ECORE_FILTER_MCAST_SCHED;
mcast_obj->check_sched = ecore_mcast_check_sched;
mcast_obj->set_sched = ecore_mcast_set_sched;
mcast_obj->clear_sched = ecore_mcast_clear_sched;
if (CHIP_IS_E1(sc)) {
mcast_obj->config_mcast = ecore_mcast_setup_e1;
mcast_obj->enqueue_cmd = ecore_mcast_enqueue_cmd;
mcast_obj->hdl_restore =
ecore_mcast_handle_restore_cmd_e1;
mcast_obj->check_pending = ecore_mcast_check_pending;
if (CHIP_REV_IS_SLOW(sc))
mcast_obj->max_cmd_len = ECORE_MAX_EMUL_MULTI;
else
mcast_obj->max_cmd_len = ECORE_MAX_MULTICAST;
mcast_obj->wait_comp = ecore_mcast_wait;
mcast_obj->set_one_rule = ecore_mcast_set_one_rule_e1;
mcast_obj->validate = ecore_mcast_validate_e1;
mcast_obj->revert = ecore_mcast_revert_e1;
mcast_obj->get_registry_size =
ecore_mcast_get_registry_size_exact;
mcast_obj->set_registry_size =
ecore_mcast_set_registry_size_exact;
/* 57710 is the only chip that uses the exact match for mcast
* at the moment.
*/
ECORE_LIST_INIT(&mcast_obj->registry.exact_match.macs);
} else if (CHIP_IS_E1H(sc)) {
mcast_obj->config_mcast = ecore_mcast_setup_e1h;
mcast_obj->enqueue_cmd = NULL;
mcast_obj->hdl_restore = NULL;
mcast_obj->check_pending = ecore_mcast_check_pending;
/* 57711 doesn't send a ramrod, so it has unlimited credit
* for one command.
*/
mcast_obj->max_cmd_len = -1;
mcast_obj->wait_comp = ecore_mcast_wait;
mcast_obj->set_one_rule = NULL;
mcast_obj->validate = ecore_mcast_validate_e1h;
mcast_obj->revert = ecore_mcast_revert_e1h;
mcast_obj->get_registry_size =
ecore_mcast_get_registry_size_aprox;
mcast_obj->set_registry_size =
ecore_mcast_set_registry_size_aprox;
} else {
mcast_obj->config_mcast = ecore_mcast_setup_e2;
mcast_obj->enqueue_cmd = ecore_mcast_enqueue_cmd;
mcast_obj->hdl_restore =
ecore_mcast_handle_restore_cmd_e2;
mcast_obj->check_pending = ecore_mcast_check_pending;
/* TODO: There should be a proper HSI define for this number!!!
*/
mcast_obj->max_cmd_len = 16;
mcast_obj->wait_comp = ecore_mcast_wait;
mcast_obj->set_one_rule = ecore_mcast_set_one_rule_e2;
mcast_obj->validate = ecore_mcast_validate_e2;
mcast_obj->revert = ecore_mcast_revert_e2;
mcast_obj->get_registry_size =
ecore_mcast_get_registry_size_aprox;
mcast_obj->set_registry_size =
ecore_mcast_set_registry_size_aprox;
}
}
/*************************** Credit handling **********************************/
/**
* atomic_add_ifless - add if the result is less than a given value.
*
* @v: pointer of type ecore_atomic_t
* @a: the amount to add to v...
* @u: ...if (v + a) is less than u.
*
* returns TRUE if (v + a) was less than u, and FALSE otherwise.
*
*/
static inline bool __atomic_add_ifless(ecore_atomic_t *v, int a, int u)
{
int c, old;
c = ECORE_ATOMIC_READ(v);
for (;;) {
if (ECORE_UNLIKELY(c + a >= u))
return FALSE;
old = ECORE_ATOMIC_CMPXCHG((v), c, c + a);
if (ECORE_LIKELY(old == c))
break;
c = old;
}
return TRUE;
}
/**
* atomic_dec_ifmoe - dec if the result is more or equal than a given value.
*
* @v: pointer of type ecore_atomic_t
* @a: the amount to dec from v...
* @u: ...if (v - a) is more or equal than u.
*
* returns TRUE if (v - a) was more or equal than u, and FALSE
* otherwise.
*/
static inline bool __atomic_dec_ifmoe(ecore_atomic_t *v, int a, int u)
{
int c, old;
c = ECORE_ATOMIC_READ(v);
for (;;) {
if (ECORE_UNLIKELY(c - a < u))
return FALSE;
old = ECORE_ATOMIC_CMPXCHG((v), c, c - a);
if (ECORE_LIKELY(old == c))
break;
c = old;
}
return TRUE;
}
static bool ecore_credit_pool_get(struct ecore_credit_pool_obj *o, int cnt)
{
bool rc;
ECORE_SMP_MB();
rc = __atomic_dec_ifmoe(&o->credit, cnt, 0);
ECORE_SMP_MB();
return rc;
}
static bool ecore_credit_pool_put(struct ecore_credit_pool_obj *o, int cnt)
{
bool rc;
ECORE_SMP_MB();
/* Don't let to refill if credit + cnt > pool_sz */
rc = __atomic_add_ifless(&o->credit, cnt, o->pool_sz + 1);
ECORE_SMP_MB();
return rc;
}
static int ecore_credit_pool_check(struct ecore_credit_pool_obj *o)
{
int cur_credit;
ECORE_SMP_MB();
cur_credit = ECORE_ATOMIC_READ(&o->credit);
return cur_credit;
}
static bool ecore_credit_pool_always_TRUE(struct ecore_credit_pool_obj *o,
int cnt)
{
return TRUE;
}
static bool ecore_credit_pool_get_entry(
struct ecore_credit_pool_obj *o,
int *offset)
{
int idx, vec, i;
*offset = -1;
/* Find "internal cam-offset" then add to base for this object... */
for (vec = 0; vec < ECORE_POOL_VEC_SIZE; vec++) {
/* Skip the current vector if there are no free entries in it */
if (!o->pool_mirror[vec])
continue;
/* If we've got here we are going to find a free entry */
for (idx = vec * BIT_VEC64_ELEM_SZ, i = 0;
i < BIT_VEC64_ELEM_SZ; idx++, i++)
if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) {
/* Got one!! */
BIT_VEC64_CLEAR_BIT(o->pool_mirror, idx);
*offset = o->base_pool_offset + idx;
return TRUE;
}
}
return FALSE;
}
static bool ecore_credit_pool_put_entry(
struct ecore_credit_pool_obj *o,
int offset)
{
if (offset < o->base_pool_offset)
return FALSE;
offset -= o->base_pool_offset;
if (offset >= o->pool_sz)
return FALSE;
/* Return the entry to the pool */
BIT_VEC64_SET_BIT(o->pool_mirror, offset);
return TRUE;
}
static bool ecore_credit_pool_put_entry_always_TRUE(
struct ecore_credit_pool_obj *o,
int offset)
{
return TRUE;
}
static bool ecore_credit_pool_get_entry_always_TRUE(
struct ecore_credit_pool_obj *o,
int *offset)
{
*offset = -1;
return TRUE;
}
/**
* ecore_init_credit_pool - initialize credit pool internals.
*
* @p:
* @base: Base entry in the CAM to use.
* @credit: pool size.
*
* If base is negative no CAM entries handling will be performed.
* If credit is negative pool operations will always succeed (unlimited pool).
*
*/
static inline void ecore_init_credit_pool(struct ecore_credit_pool_obj *p,
int base, int credit)
{
/* Zero the object first */
ECORE_MEMSET(p, 0, sizeof(*p));
/* Set the table to all 1s */
ECORE_MEMSET(&p->pool_mirror, 0xff, sizeof(p->pool_mirror));
/* Init a pool as full */
ECORE_ATOMIC_SET(&p->credit, credit);
/* The total poll size */
p->pool_sz = credit;
p->base_pool_offset = base;
/* Commit the change */
ECORE_SMP_MB();
p->check = ecore_credit_pool_check;
/* if pool credit is negative - disable the checks */
if (credit >= 0) {
p->put = ecore_credit_pool_put;
p->get = ecore_credit_pool_get;
p->put_entry = ecore_credit_pool_put_entry;
p->get_entry = ecore_credit_pool_get_entry;
} else {
p->put = ecore_credit_pool_always_TRUE;
p->get = ecore_credit_pool_always_TRUE;
p->put_entry = ecore_credit_pool_put_entry_always_TRUE;
p->get_entry = ecore_credit_pool_get_entry_always_TRUE;
}
/* If base is negative - disable entries handling */
if (base < 0) {
p->put_entry = ecore_credit_pool_put_entry_always_TRUE;
p->get_entry = ecore_credit_pool_get_entry_always_TRUE;
}
}
void ecore_init_mac_credit_pool(struct bxe_softc *sc,
struct ecore_credit_pool_obj *p, uint8_t func_id,
uint8_t func_num)
{
/* TODO: this will be defined in consts as well... */
#define ECORE_CAM_SIZE_EMUL 5
int cam_sz;
if (CHIP_IS_E1(sc)) {
/* In E1, Multicast is saved in cam... */
if (!CHIP_REV_IS_SLOW(sc))
cam_sz = (MAX_MAC_CREDIT_E1 / 2) - ECORE_MAX_MULTICAST;
else
cam_sz = ECORE_CAM_SIZE_EMUL - ECORE_MAX_EMUL_MULTI;
ecore_init_credit_pool(p, func_id * cam_sz, cam_sz);
} else if (CHIP_IS_E1H(sc)) {
/* CAM credit is equally divided between all active functions
* on the PORT!.
*/
if ((func_num > 0)) {
if (!CHIP_REV_IS_SLOW(sc))
cam_sz = (MAX_MAC_CREDIT_E1H / (2*func_num));
else
cam_sz = ECORE_CAM_SIZE_EMUL;
ecore_init_credit_pool(p, func_id * cam_sz, cam_sz);
} else {
/* this should never happen! Block MAC operations. */
ecore_init_credit_pool(p, 0, 0);
}
} else {
/*
* CAM credit is equaly divided between all active functions
* on the PATH.
*/
if ((func_num > 1)) {
if (!CHIP_REV_IS_SLOW(sc))
cam_sz = (MAX_MAC_CREDIT_E2
- GET_NUM_VFS_PER_PATH(sc))
/ func_num
+ GET_NUM_VFS_PER_PF(sc);
else
cam_sz = ECORE_CAM_SIZE_EMUL;
/* No need for CAM entries handling for 57712 and
* newer.
*/
ecore_init_credit_pool(p, -1, cam_sz);
} else if (func_num == 1) {
if (!CHIP_REV_IS_SLOW(sc))
cam_sz = MAX_MAC_CREDIT_E2;
else
cam_sz = ECORE_CAM_SIZE_EMUL;
/* No need for CAM entries handling for 57712 and
* newer.
*/
ecore_init_credit_pool(p, -1, cam_sz);
} else {
/* this should never happen! Block MAC operations. */
ecore_init_credit_pool(p, 0, 0);
}
}
}
void ecore_init_vlan_credit_pool(struct bxe_softc *sc,
struct ecore_credit_pool_obj *p,
uint8_t func_id,
uint8_t func_num)
{
if (CHIP_IS_E1x(sc)) {
/* There is no VLAN credit in HW on 57710 and 57711 only
* MAC / MAC-VLAN can be set
*/
ecore_init_credit_pool(p, 0, -1);
} else {
/* CAM credit is equally divided between all active functions
* on the PATH.
*/
if (func_num > 0) {
int credit = MAX_VLAN_CREDIT_E2 / func_num;
ecore_init_credit_pool(p, func_id * credit, credit);
} else
/* this should never happen! Block VLAN operations. */
ecore_init_credit_pool(p, 0, 0);
}
}
/****************** RSS Configuration ******************/
/**
* ecore_setup_rss - configure RSS
*
* @sc: device handle
* @p: rss configuration
*
* sends on UPDATE ramrod for that matter.
*/
static int ecore_setup_rss(struct bxe_softc *sc,
struct ecore_config_rss_params *p)
{
struct ecore_rss_config_obj *o = p->rss_obj;
struct ecore_raw_obj *r = &o->raw;
struct eth_rss_update_ramrod_data *data =
(struct eth_rss_update_ramrod_data *)(r->rdata);
uint8_t rss_mode = 0;
int rc;
ECORE_MEMSET(data, 0, sizeof(*data));
ECORE_MSG(sc, "Configuring RSS\n");
/* Set an echo field */
data->echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
(r->state << ECORE_SWCID_SHIFT));
/* RSS mode */
if (ECORE_TEST_BIT(ECORE_RSS_MODE_DISABLED, &p->rss_flags))
rss_mode = ETH_RSS_MODE_DISABLED;
else if (ECORE_TEST_BIT(ECORE_RSS_MODE_REGULAR, &p->rss_flags))
rss_mode = ETH_RSS_MODE_REGULAR;
#if defined(__VMKLNX__) && (VMWARE_ESX_DDK_VERSION < 55000) /* ! BNX2X_UPSTREAM */
else if (ECORE_TEST_BIT(ECORE_RSS_MODE_ESX51, &p->rss_flags))
rss_mode = ETH_RSS_MODE_ESX51;
#endif
data->rss_mode = rss_mode;
ECORE_MSG(sc, "rss_mode=%d\n", rss_mode);
/* RSS capabilities */
if (ECORE_TEST_BIT(ECORE_RSS_IPV4, &p->rss_flags))
data->capabilities |=
ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY;
if (ECORE_TEST_BIT(ECORE_RSS_IPV4_TCP, &p->rss_flags))
data->capabilities |=
ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY;
if (ECORE_TEST_BIT(ECORE_RSS_IPV4_UDP, &p->rss_flags))
data->capabilities |=
ETH_RSS_UPDATE_RAMROD_DATA_IPV4_UDP_CAPABILITY;
if (ECORE_TEST_BIT(ECORE_RSS_IPV6, &p->rss_flags))
data->capabilities |=
ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY;
if (ECORE_TEST_BIT(ECORE_RSS_IPV6_TCP, &p->rss_flags))
data->capabilities |=
ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY;
if (ECORE_TEST_BIT(ECORE_RSS_IPV6_UDP, &p->rss_flags))
data->capabilities |=
ETH_RSS_UPDATE_RAMROD_DATA_IPV6_UDP_CAPABILITY;
if (ECORE_TEST_BIT(ECORE_RSS_TUNNELING, &p->rss_flags)) {
data->udp_4tuple_dst_port_mask = ECORE_CPU_TO_LE16(p->tunnel_mask);
data->udp_4tuple_dst_port_value =
ECORE_CPU_TO_LE16(p->tunnel_value);
}
/* Hashing mask */
data->rss_result_mask = p->rss_result_mask;
/* RSS engine ID */
data->rss_engine_id = o->engine_id;
ECORE_MSG(sc, "rss_engine_id=%d\n", data->rss_engine_id);
/* Indirection table */
ECORE_MEMCPY(data->indirection_table, p->ind_table,
T_ETH_INDIRECTION_TABLE_SIZE);
/* Remember the last configuration */
ECORE_MEMCPY(o->ind_table, p->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
/* RSS keys */
if (ECORE_TEST_BIT(ECORE_RSS_SET_SRCH, &p->rss_flags)) {
ECORE_MEMCPY(&data->rss_key[0], &p->rss_key[0],
sizeof(data->rss_key));
data->capabilities |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY;
}
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
/* Send a ramrod */
rc = ecore_sp_post(sc,
RAMROD_CMD_ID_ETH_RSS_UPDATE,
r->cid,
r->rdata_mapping,
ETH_CONNECTION_TYPE);
if (rc < 0)
return rc;
return ECORE_PENDING;
}
void ecore_get_rss_ind_table(struct ecore_rss_config_obj *rss_obj,
uint8_t *ind_table)
{
ECORE_MEMCPY(ind_table, rss_obj->ind_table, sizeof(rss_obj->ind_table));
}
int ecore_config_rss(struct bxe_softc *sc,
struct ecore_config_rss_params *p)
{
int rc;
struct ecore_rss_config_obj *o = p->rss_obj;
struct ecore_raw_obj *r = &o->raw;
/* Do nothing if only driver cleanup was requested */
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
ECORE_MSG(sc, "Not configuring RSS ramrod_flags=%lx\n",
p->ramrod_flags);
return ECORE_SUCCESS;
}
r->set_pending(r);
rc = o->config_rss(sc, p);
if (rc < 0) {
r->clear_pending(r);
return rc;
}
if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags))
rc = r->wait_comp(sc, r);
return rc;
}
void ecore_init_rss_config_obj(struct bxe_softc *sc,
struct ecore_rss_config_obj *rss_obj,
uint8_t cl_id, uint32_t cid, uint8_t func_id, uint8_t engine_id,
void *rdata, ecore_dma_addr_t rdata_mapping,
int state, unsigned long *pstate,
ecore_obj_type type)
{
ecore_init_raw_obj(&rss_obj->raw, cl_id, cid, func_id, rdata,
rdata_mapping, state, pstate, type);
rss_obj->engine_id = engine_id;
rss_obj->config_rss = ecore_setup_rss;
}
int validate_vlan_mac(struct bxe_softc *sc,
struct ecore_vlan_mac_obj *vlan_mac)
{
if (!vlan_mac->get_n_elements) {
ECORE_ERR("vlan mac object was not intialized\n");
return ECORE_INVAL;
}
return 0;
}
/********************** Queue state object ***********************************/
/**
* ecore_queue_state_change - perform Queue state change transition
*
* @sc: device handle
* @params: parameters to perform the transition
*
* returns 0 in case of successfully completed transition, negative error
* code in case of failure, positive (EBUSY) value if there is a completion
* to that is still pending (possible only if RAMROD_COMP_WAIT is
* not set in params->ramrod_flags for asynchronous commands).
*
*/
int ecore_queue_state_change(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
int rc, pending_bit;
unsigned long *pending = &o->pending;
/* Check that the requested transition is legal */
rc = o->check_transition(sc, o, params);
if (rc) {
ECORE_ERR("check transition returned an error. rc %d\n", rc);
return ECORE_INVAL;
}
/* Set "pending" bit */
ECORE_MSG(sc, "pending bit was=%lx\n", o->pending);
pending_bit = o->set_pending(o, params);
ECORE_MSG(sc, "pending bit now=%lx\n", o->pending);
/* Don't send a command if only driver cleanup was requested */
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags))
o->complete_cmd(sc, o, pending_bit);
else {
/* Send a ramrod */
rc = o->send_cmd(sc, params);
if (rc) {
o->next_state = ECORE_Q_STATE_MAX;
ECORE_CLEAR_BIT(pending_bit, pending);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
return rc;
}
if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
rc = o->wait_comp(sc, o, pending_bit);
if (rc)
return rc;
return ECORE_SUCCESS;
}
}
return ECORE_RET_PENDING(pending_bit, pending);
}
static int ecore_queue_set_pending(struct ecore_queue_sp_obj *obj,
struct ecore_queue_state_params *params)
{
enum ecore_queue_cmd cmd = params->cmd, bit;
/* ACTIVATE and DEACTIVATE commands are implemented on top of
* UPDATE command.
*/
if ((cmd == ECORE_Q_CMD_ACTIVATE) ||
(cmd == ECORE_Q_CMD_DEACTIVATE))
bit = ECORE_Q_CMD_UPDATE;
else
bit = cmd;
ECORE_SET_BIT(bit, &obj->pending);
return bit;
}
static int ecore_queue_wait_comp(struct bxe_softc *sc,
struct ecore_queue_sp_obj *o,
enum ecore_queue_cmd cmd)
{
return ecore_state_wait(sc, cmd, &o->pending);
}
/**
* ecore_queue_comp_cmd - complete the state change command.
*
* @sc: device handle
* @o:
* @cmd:
*
* Checks that the arrived completion is expected.
*/
static int ecore_queue_comp_cmd(struct bxe_softc *sc,
struct ecore_queue_sp_obj *o,
enum ecore_queue_cmd cmd)
{
unsigned long cur_pending = o->pending;
if (!ECORE_TEST_AND_CLEAR_BIT(cmd, &cur_pending)) {
ECORE_ERR("Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d\n",
cmd, o->cids[ECORE_PRIMARY_CID_INDEX],
o->state, cur_pending, o->next_state);
return ECORE_INVAL;
}
if (o->next_tx_only >= o->max_cos)
/* >= because tx only must always be smaller than cos since the
* primary connection supports COS 0
*/
ECORE_ERR("illegal value for next tx_only: %d. max cos was %d",
o->next_tx_only, o->max_cos);
ECORE_MSG(sc,
"Completing command %d for queue %d, setting state to %d\n",
cmd, o->cids[ECORE_PRIMARY_CID_INDEX], o->next_state);
if (o->next_tx_only) /* print num tx-only if any exist */
ECORE_MSG(sc, "primary cid %d: num tx-only cons %d\n",
o->cids[ECORE_PRIMARY_CID_INDEX], o->next_tx_only);
o->state = o->next_state;
o->num_tx_only = o->next_tx_only;
o->next_state = ECORE_Q_STATE_MAX;
/* It's important that o->state and o->next_state are
* updated before o->pending.
*/
wmb();
ECORE_CLEAR_BIT(cmd, &o->pending);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
return ECORE_SUCCESS;
}
static void ecore_q_fill_setup_data_e2(struct bxe_softc *sc,
struct ecore_queue_state_params *cmd_params,
struct client_init_ramrod_data *data)
{
struct ecore_queue_setup_params *params = &cmd_params->params.setup;
/* Rx data */
/* IPv6 TPA supported for E2 and above only */
data->rx.tpa_en |= ECORE_TEST_BIT(ECORE_Q_FLG_TPA_IPV6,
&params->flags) *
CLIENT_INIT_RX_DATA_TPA_EN_IPV6;
}
static void ecore_q_fill_init_general_data(struct bxe_softc *sc,
struct ecore_queue_sp_obj *o,
struct ecore_general_setup_params *params,
struct client_init_general_data *gen_data,
unsigned long *flags)
{
gen_data->client_id = o->cl_id;
if (ECORE_TEST_BIT(ECORE_Q_FLG_STATS, flags)) {
gen_data->statistics_counter_id =
params->stat_id;
gen_data->statistics_en_flg = 1;
gen_data->statistics_zero_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_ZERO_STATS, flags);
} else
gen_data->statistics_counter_id =
DISABLE_STATISTIC_COUNTER_ID_VALUE;
gen_data->is_fcoe_flg = ECORE_TEST_BIT(ECORE_Q_FLG_FCOE,
flags);
gen_data->activate_flg = ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
flags);
gen_data->sp_client_id = params->spcl_id;
gen_data->mtu = ECORE_CPU_TO_LE16(params->mtu);
gen_data->func_id = o->func_id;
gen_data->cos = params->cos;
gen_data->traffic_type =
ECORE_TEST_BIT(ECORE_Q_FLG_FCOE, flags) ?
LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
ECORE_MSG(sc, "flags: active %d, cos %d, stats en %d\n",
gen_data->activate_flg, gen_data->cos, gen_data->statistics_en_flg);
}
static void ecore_q_fill_init_tx_data(struct ecore_queue_sp_obj *o,
struct ecore_txq_setup_params *params,
struct client_init_tx_data *tx_data,
unsigned long *flags)
{
tx_data->enforce_security_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_TX_SEC, flags);
tx_data->default_vlan =
ECORE_CPU_TO_LE16(params->default_vlan);
tx_data->default_vlan_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_DEF_VLAN, flags);
tx_data->tx_switching_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_TX_SWITCH, flags);
tx_data->anti_spoofing_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_ANTI_SPOOF, flags);
tx_data->force_default_pri_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_FORCE_DEFAULT_PRI, flags);
tx_data->refuse_outband_vlan_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_REFUSE_OUTBAND_VLAN, flags);
tx_data->tunnel_lso_inc_ip_id =
ECORE_TEST_BIT(ECORE_Q_FLG_TUN_INC_INNER_IP_ID, flags);
tx_data->tunnel_non_lso_pcsum_location =
ECORE_TEST_BIT(ECORE_Q_FLG_PCSUM_ON_PKT, flags) ? CSUM_ON_PKT :
CSUM_ON_BD;
tx_data->tx_status_block_id = params->fw_sb_id;
tx_data->tx_sb_index_number = params->sb_cq_index;
tx_data->tss_leading_client_id = params->tss_leading_cl_id;
tx_data->tx_bd_page_base.lo =
ECORE_CPU_TO_LE32(U64_LO(params->dscr_map));
tx_data->tx_bd_page_base.hi =
ECORE_CPU_TO_LE32(U64_HI(params->dscr_map));
/* Don't configure any Tx switching mode during queue SETUP */
tx_data->state = 0;
}
static void ecore_q_fill_init_pause_data(struct ecore_queue_sp_obj *o,
struct rxq_pause_params *params,
struct client_init_rx_data *rx_data)
{
/* flow control data */
rx_data->cqe_pause_thr_low = ECORE_CPU_TO_LE16(params->rcq_th_lo);
rx_data->cqe_pause_thr_high = ECORE_CPU_TO_LE16(params->rcq_th_hi);
rx_data->bd_pause_thr_low = ECORE_CPU_TO_LE16(params->bd_th_lo);
rx_data->bd_pause_thr_high = ECORE_CPU_TO_LE16(params->bd_th_hi);
rx_data->sge_pause_thr_low = ECORE_CPU_TO_LE16(params->sge_th_lo);
rx_data->sge_pause_thr_high = ECORE_CPU_TO_LE16(params->sge_th_hi);
rx_data->rx_cos_mask = ECORE_CPU_TO_LE16(params->pri_map);
}
static void ecore_q_fill_init_rx_data(struct ecore_queue_sp_obj *o,
struct ecore_rxq_setup_params *params,
struct client_init_rx_data *rx_data,
unsigned long *flags)
{
rx_data->tpa_en = ECORE_TEST_BIT(ECORE_Q_FLG_TPA, flags) *
CLIENT_INIT_RX_DATA_TPA_EN_IPV4;
rx_data->tpa_en |= ECORE_TEST_BIT(ECORE_Q_FLG_TPA_GRO, flags) *
CLIENT_INIT_RX_DATA_TPA_MODE;
rx_data->vmqueue_mode_en_flg = 0;
rx_data->extra_data_over_sgl_en_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_OOO, flags);
rx_data->cache_line_alignment_log_size =
params->cache_line_log;
rx_data->enable_dynamic_hc =
ECORE_TEST_BIT(ECORE_Q_FLG_DHC, flags);
rx_data->max_sges_for_packet = params->max_sges_pkt;
rx_data->client_qzone_id = params->cl_qzone_id;
rx_data->max_agg_size = ECORE_CPU_TO_LE16(params->tpa_agg_sz);
/* Always start in DROP_ALL mode */
rx_data->state = ECORE_CPU_TO_LE16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL |
CLIENT_INIT_RX_DATA_MCAST_DROP_ALL);
/* We don't set drop flags */
rx_data->drop_ip_cs_err_flg = 0;
rx_data->drop_tcp_cs_err_flg = 0;
rx_data->drop_ttl0_flg = 0;
rx_data->drop_udp_cs_err_flg = 0;
rx_data->inner_vlan_removal_enable_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_VLAN, flags);
rx_data->outer_vlan_removal_enable_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_OV, flags);
rx_data->status_block_id = params->fw_sb_id;
rx_data->rx_sb_index_number = params->sb_cq_index;
rx_data->max_tpa_queues = params->max_tpa_queues;
rx_data->max_bytes_on_bd = ECORE_CPU_TO_LE16(params->buf_sz);
rx_data->sge_buff_size = ECORE_CPU_TO_LE16(params->sge_buf_sz);
rx_data->bd_page_base.lo =
ECORE_CPU_TO_LE32(U64_LO(params->dscr_map));
rx_data->bd_page_base.hi =
ECORE_CPU_TO_LE32(U64_HI(params->dscr_map));
rx_data->sge_page_base.lo =
ECORE_CPU_TO_LE32(U64_LO(params->sge_map));
rx_data->sge_page_base.hi =
ECORE_CPU_TO_LE32(U64_HI(params->sge_map));
rx_data->cqe_page_base.lo =
ECORE_CPU_TO_LE32(U64_LO(params->rcq_map));
rx_data->cqe_page_base.hi =
ECORE_CPU_TO_LE32(U64_HI(params->rcq_map));
rx_data->is_leading_rss = ECORE_TEST_BIT(ECORE_Q_FLG_LEADING_RSS,
flags);
if (ECORE_TEST_BIT(ECORE_Q_FLG_MCAST, flags)) {
rx_data->approx_mcast_engine_id = params->mcast_engine_id;
rx_data->is_approx_mcast = 1;
}
rx_data->rss_engine_id = params->rss_engine_id;
/* silent vlan removal */
rx_data->silent_vlan_removal_flg =
ECORE_TEST_BIT(ECORE_Q_FLG_SILENT_VLAN_REM, flags);
rx_data->silent_vlan_value =
ECORE_CPU_TO_LE16(params->silent_removal_value);
rx_data->silent_vlan_mask =
ECORE_CPU_TO_LE16(params->silent_removal_mask);
}
/* initialize the general, tx and rx parts of a queue object */
static void ecore_q_fill_setup_data_cmn(struct bxe_softc *sc,
struct ecore_queue_state_params *cmd_params,
struct client_init_ramrod_data *data)
{
ecore_q_fill_init_general_data(sc, cmd_params->q_obj,
&cmd_params->params.setup.gen_params,
&data->general,
&cmd_params->params.setup.flags);
ecore_q_fill_init_tx_data(cmd_params->q_obj,
&cmd_params->params.setup.txq_params,
&data->tx,
&cmd_params->params.setup.flags);
ecore_q_fill_init_rx_data(cmd_params->q_obj,
&cmd_params->params.setup.rxq_params,
&data->rx,
&cmd_params->params.setup.flags);
ecore_q_fill_init_pause_data(cmd_params->q_obj,
&cmd_params->params.setup.pause_params,
&data->rx);
}
/* initialize the general and tx parts of a tx-only queue object */
static void ecore_q_fill_setup_tx_only(struct bxe_softc *sc,
struct ecore_queue_state_params *cmd_params,
struct tx_queue_init_ramrod_data *data)
{
ecore_q_fill_init_general_data(sc, cmd_params->q_obj,
&cmd_params->params.tx_only.gen_params,
&data->general,
&cmd_params->params.tx_only.flags);
ecore_q_fill_init_tx_data(cmd_params->q_obj,
&cmd_params->params.tx_only.txq_params,
&data->tx,
&cmd_params->params.tx_only.flags);
ECORE_MSG(sc, "cid %d, tx bd page lo %x hi %x",
cmd_params->q_obj->cids[0],
data->tx.tx_bd_page_base.lo,
data->tx.tx_bd_page_base.hi);
}
/**
* ecore_q_init - init HW/FW queue
*
* @sc: device handle
* @params:
*
* HW/FW initial Queue configuration:
* - HC: Rx and Tx
* - CDU context validation
*
*/
static inline int ecore_q_init(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
struct ecore_queue_init_params *init = &params->params.init;
uint16_t hc_usec;
uint8_t cos;
/* Tx HC configuration */
if (ECORE_TEST_BIT(ECORE_Q_TYPE_HAS_TX, &o->type) &&
ECORE_TEST_BIT(ECORE_Q_FLG_HC, &init->tx.flags)) {
hc_usec = init->tx.hc_rate ? 1000000 / init->tx.hc_rate : 0;
ECORE_UPDATE_COALESCE_SB_INDEX(sc, init->tx.fw_sb_id,
init->tx.sb_cq_index,
!ECORE_TEST_BIT(ECORE_Q_FLG_HC_EN, &init->tx.flags),
hc_usec);
}
/* Rx HC configuration */
if (ECORE_TEST_BIT(ECORE_Q_TYPE_HAS_RX, &o->type) &&
ECORE_TEST_BIT(ECORE_Q_FLG_HC, &init->rx.flags)) {
hc_usec = init->rx.hc_rate ? 1000000 / init->rx.hc_rate : 0;
ECORE_UPDATE_COALESCE_SB_INDEX(sc, init->rx.fw_sb_id,
init->rx.sb_cq_index,
!ECORE_TEST_BIT(ECORE_Q_FLG_HC_EN, &init->rx.flags),
hc_usec);
}
/* Set CDU context validation values */
for (cos = 0; cos < o->max_cos; cos++) {
ECORE_MSG(sc, "setting context validation. cid %d, cos %d\n",
o->cids[cos], cos);
ECORE_MSG(sc, "context pointer %p\n", init->cxts[cos]);
ECORE_SET_CTX_VALIDATION(sc, init->cxts[cos], o->cids[cos]);
}
/* As no ramrod is sent, complete the command immediately */
o->complete_cmd(sc, o, ECORE_Q_CMD_INIT);
ECORE_MMIOWB();
ECORE_SMP_MB();
return ECORE_SUCCESS;
}
static inline int ecore_q_send_setup_e1x(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
struct client_init_ramrod_data *rdata =
(struct client_init_ramrod_data *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
/* Clear the ramrod data */
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data */
ecore_q_fill_setup_data_cmn(sc, params, rdata);
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
return ecore_sp_post(sc,
ramrod,
o->cids[ECORE_PRIMARY_CID_INDEX],
data_mapping,
ETH_CONNECTION_TYPE);
}
static inline int ecore_q_send_setup_e2(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
struct client_init_ramrod_data *rdata =
(struct client_init_ramrod_data *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
/* Clear the ramrod data */
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data */
ecore_q_fill_setup_data_cmn(sc, params, rdata);
ecore_q_fill_setup_data_e2(sc, params, rdata);
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
return ecore_sp_post(sc,
ramrod,
o->cids[ECORE_PRIMARY_CID_INDEX],
data_mapping,
ETH_CONNECTION_TYPE);
}
static inline int ecore_q_send_setup_tx_only(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
struct tx_queue_init_ramrod_data *rdata =
(struct tx_queue_init_ramrod_data *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP;
struct ecore_queue_setup_tx_only_params *tx_only_params =
&params->params.tx_only;
uint8_t cid_index = tx_only_params->cid_index;
if (ECORE_TEST_BIT(ECORE_Q_TYPE_FWD, &o->type))
ramrod = RAMROD_CMD_ID_ETH_FORWARD_SETUP;
ECORE_MSG(sc, "sending forward tx-only ramrod");
if (cid_index >= o->max_cos) {
ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
o->cl_id, cid_index);
return ECORE_INVAL;
}
ECORE_MSG(sc, "parameters received: cos: %d sp-id: %d\n",
tx_only_params->gen_params.cos,
tx_only_params->gen_params.spcl_id);
/* Clear the ramrod data */
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data */
ecore_q_fill_setup_tx_only(sc, params, rdata);
ECORE_MSG(sc, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d\n",
o->cids[cid_index], rdata->general.client_id,
rdata->general.sp_client_id, rdata->general.cos);
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
return ecore_sp_post(sc, ramrod, o->cids[cid_index],
data_mapping, ETH_CONNECTION_TYPE);
}
static void ecore_q_fill_update_data(struct bxe_softc *sc,
struct ecore_queue_sp_obj *obj,
struct ecore_queue_update_params *params,
struct client_update_ramrod_data *data)
{
/* Client ID of the client to update */
data->client_id = obj->cl_id;
/* Function ID of the client to update */
data->func_id = obj->func_id;
/* Default VLAN value */
data->default_vlan = ECORE_CPU_TO_LE16(params->def_vlan);
/* Inner VLAN stripping */
data->inner_vlan_removal_enable_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_IN_VLAN_REM,
&params->update_flags);
data->inner_vlan_removal_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_IN_VLAN_REM_CHNG,
&params->update_flags);
/* Outer VLAN stripping */
data->outer_vlan_removal_enable_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_OUT_VLAN_REM,
&params->update_flags);
data->outer_vlan_removal_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_OUT_VLAN_REM_CHNG,
&params->update_flags);
/* Drop packets that have source MAC that doesn't belong to this
* Queue.
*/
data->anti_spoofing_enable_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_ANTI_SPOOF,
&params->update_flags);
data->anti_spoofing_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_ANTI_SPOOF_CHNG,
&params->update_flags);
/* Activate/Deactivate */
data->activate_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE, &params->update_flags);
data->activate_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
&params->update_flags);
/* Enable default VLAN */
data->default_vlan_enable_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_DEF_VLAN_EN,
&params->update_flags);
data->default_vlan_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_DEF_VLAN_EN_CHNG,
&params->update_flags);
/* silent vlan removal */
data->silent_vlan_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_SILENT_VLAN_REM_CHNG,
&params->update_flags);
data->silent_vlan_removal_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_SILENT_VLAN_REM,
&params->update_flags);
data->silent_vlan_value = ECORE_CPU_TO_LE16(params->silent_removal_value);
data->silent_vlan_mask = ECORE_CPU_TO_LE16(params->silent_removal_mask);
/* tx switching */
data->tx_switching_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_TX_SWITCHING,
&params->update_flags);
data->tx_switching_change_flg =
ECORE_TEST_BIT(ECORE_Q_UPDATE_TX_SWITCHING_CHNG,
&params->update_flags);
}
static inline int ecore_q_send_update(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
struct client_update_ramrod_data *rdata =
(struct client_update_ramrod_data *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
struct ecore_queue_update_params *update_params =
&params->params.update;
uint8_t cid_index = update_params->cid_index;
if (cid_index >= o->max_cos) {
ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
o->cl_id, cid_index);
return ECORE_INVAL;
}
/* Clear the ramrod data */
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data */
ecore_q_fill_update_data(sc, o, update_params, rdata);
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_CLIENT_UPDATE,
o->cids[cid_index], data_mapping,
ETH_CONNECTION_TYPE);
}
/**
* ecore_q_send_deactivate - send DEACTIVATE command
*
* @sc: device handle
* @params:
*
* implemented using the UPDATE command.
*/
static inline int ecore_q_send_deactivate(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_update_params *update = &params->params.update;
ECORE_MEMSET(update, 0, sizeof(*update));
ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
return ecore_q_send_update(sc, params);
}
/**
* ecore_q_send_activate - send ACTIVATE command
*
* @sc: device handle
* @params:
*
* implemented using the UPDATE command.
*/
static inline int ecore_q_send_activate(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_update_params *update = &params->params.update;
ECORE_MEMSET(update, 0, sizeof(*update));
ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE, &update->update_flags);
ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
return ecore_q_send_update(sc, params);
}
static inline int ecore_q_send_update_tpa(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
/* TODO: Not implemented yet. */
return -1;
}
static inline int ecore_q_send_halt(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
/* build eth_halt_ramrod_data.client_id in a big-endian friendly way */
ecore_dma_addr_t data_mapping = 0;
data_mapping = (ecore_dma_addr_t)o->cl_id;
return ecore_sp_post(sc,
RAMROD_CMD_ID_ETH_HALT,
o->cids[ECORE_PRIMARY_CID_INDEX],
data_mapping,
ETH_CONNECTION_TYPE);
}
static inline int ecore_q_send_cfc_del(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
uint8_t cid_idx = params->params.cfc_del.cid_index;
if (cid_idx >= o->max_cos) {
ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
o->cl_id, cid_idx);
return ECORE_INVAL;
}
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_CFC_DEL,
o->cids[cid_idx], 0,
NONE_CONNECTION_TYPE);
}
static inline int ecore_q_send_terminate(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
uint8_t cid_index = params->params.terminate.cid_index;
if (cid_index >= o->max_cos) {
ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
o->cl_id, cid_index);
return ECORE_INVAL;
}
return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_TERMINATE,
o->cids[cid_index], 0,
ETH_CONNECTION_TYPE);
}
static inline int ecore_q_send_empty(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
struct ecore_queue_sp_obj *o = params->q_obj;
return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_EMPTY,
o->cids[ECORE_PRIMARY_CID_INDEX], 0,
ETH_CONNECTION_TYPE);
}
static inline int ecore_queue_send_cmd_cmn(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
switch (params->cmd) {
case ECORE_Q_CMD_INIT:
return ecore_q_init(sc, params);
case ECORE_Q_CMD_SETUP_TX_ONLY:
return ecore_q_send_setup_tx_only(sc, params);
case ECORE_Q_CMD_DEACTIVATE:
return ecore_q_send_deactivate(sc, params);
case ECORE_Q_CMD_ACTIVATE:
return ecore_q_send_activate(sc, params);
case ECORE_Q_CMD_UPDATE:
return ecore_q_send_update(sc, params);
case ECORE_Q_CMD_UPDATE_TPA:
return ecore_q_send_update_tpa(sc, params);
case ECORE_Q_CMD_HALT:
return ecore_q_send_halt(sc, params);
case ECORE_Q_CMD_CFC_DEL:
return ecore_q_send_cfc_del(sc, params);
case ECORE_Q_CMD_TERMINATE:
return ecore_q_send_terminate(sc, params);
case ECORE_Q_CMD_EMPTY:
return ecore_q_send_empty(sc, params);
default:
ECORE_ERR("Unknown command: %d\n", params->cmd);
return ECORE_INVAL;
}
}
static int ecore_queue_send_cmd_e1x(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
switch (params->cmd) {
case ECORE_Q_CMD_SETUP:
return ecore_q_send_setup_e1x(sc, params);
case ECORE_Q_CMD_INIT:
case ECORE_Q_CMD_SETUP_TX_ONLY:
case ECORE_Q_CMD_DEACTIVATE:
case ECORE_Q_CMD_ACTIVATE:
case ECORE_Q_CMD_UPDATE:
case ECORE_Q_CMD_UPDATE_TPA:
case ECORE_Q_CMD_HALT:
case ECORE_Q_CMD_CFC_DEL:
case ECORE_Q_CMD_TERMINATE:
case ECORE_Q_CMD_EMPTY:
return ecore_queue_send_cmd_cmn(sc, params);
default:
ECORE_ERR("Unknown command: %d\n", params->cmd);
return ECORE_INVAL;
}
}
static int ecore_queue_send_cmd_e2(struct bxe_softc *sc,
struct ecore_queue_state_params *params)
{
switch (params->cmd) {
case ECORE_Q_CMD_SETUP:
return ecore_q_send_setup_e2(sc, params);
case ECORE_Q_CMD_INIT:
case ECORE_Q_CMD_SETUP_TX_ONLY:
case ECORE_Q_CMD_DEACTIVATE:
case ECORE_Q_CMD_ACTIVATE:
case ECORE_Q_CMD_UPDATE:
case ECORE_Q_CMD_UPDATE_TPA:
case ECORE_Q_CMD_HALT:
case ECORE_Q_CMD_CFC_DEL:
case ECORE_Q_CMD_TERMINATE:
case ECORE_Q_CMD_EMPTY:
return ecore_queue_send_cmd_cmn(sc, params);
default:
ECORE_ERR("Unknown command: %d\n", params->cmd);
return ECORE_INVAL;
}
}
/**
* ecore_queue_chk_transition - check state machine of a regular Queue
*
* @sc: device handle
* @o:
* @params:
*
* (not Forwarding)
* It both checks if the requested command is legal in a current
* state and, if it's legal, sets a `next_state' in the object
* that will be used in the completion flow to set the `state'
* of the object.
*
* returns 0 if a requested command is a legal transition,
* ECORE_INVAL otherwise.
*/
static int ecore_queue_chk_transition(struct bxe_softc *sc,
struct ecore_queue_sp_obj *o,
struct ecore_queue_state_params *params)
{
enum ecore_q_state state = o->state, next_state = ECORE_Q_STATE_MAX;
enum ecore_queue_cmd cmd = params->cmd;
struct ecore_queue_update_params *update_params =
&params->params.update;
uint8_t next_tx_only = o->num_tx_only;
/* Forget all pending for completion commands if a driver only state
* transition has been requested.
*/
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
o->pending = 0;
o->next_state = ECORE_Q_STATE_MAX;
}
/* Don't allow a next state transition if we are in the middle of
* the previous one.
*/
if (o->pending) {
ECORE_ERR("Blocking transition since pending was %lx\n",
o->pending);
return ECORE_BUSY;
}
switch (state) {
case ECORE_Q_STATE_RESET:
if (cmd == ECORE_Q_CMD_INIT)
next_state = ECORE_Q_STATE_INITIALIZED;
break;
case ECORE_Q_STATE_INITIALIZED:
if (cmd == ECORE_Q_CMD_SETUP) {
if (ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
&params->params.setup.flags))
next_state = ECORE_Q_STATE_ACTIVE;
else
next_state = ECORE_Q_STATE_INACTIVE;
}
break;
case ECORE_Q_STATE_ACTIVE:
if (cmd == ECORE_Q_CMD_DEACTIVATE)
next_state = ECORE_Q_STATE_INACTIVE;
else if ((cmd == ECORE_Q_CMD_EMPTY) ||
(cmd == ECORE_Q_CMD_UPDATE_TPA))
next_state = ECORE_Q_STATE_ACTIVE;
else if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
next_state = ECORE_Q_STATE_MULTI_COS;
next_tx_only = 1;
}
else if (cmd == ECORE_Q_CMD_HALT)
next_state = ECORE_Q_STATE_STOPPED;
else if (cmd == ECORE_Q_CMD_UPDATE) {
/* If "active" state change is requested, update the
* state accordingly.
*/
if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
&update_params->update_flags) &&
!ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
&update_params->update_flags))
next_state = ECORE_Q_STATE_INACTIVE;
else
next_state = ECORE_Q_STATE_ACTIVE;
}
break;
case ECORE_Q_STATE_MULTI_COS:
if (cmd == ECORE_Q_CMD_TERMINATE)
next_state = ECORE_Q_STATE_MCOS_TERMINATED;
else if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
next_state = ECORE_Q_STATE_MULTI_COS;
next_tx_only = o->num_tx_only + 1;
}
else if ((cmd == ECORE_Q_CMD_EMPTY) ||
(cmd == ECORE_Q_CMD_UPDATE_TPA))
next_state = ECORE_Q_STATE_MULTI_COS;
else if (cmd == ECORE_Q_CMD_UPDATE) {
/* If "active" state change is requested, update the
* state accordingly.
*/
if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
&update_params->update_flags) &&
!ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
&update_params->update_flags))
next_state = ECORE_Q_STATE_INACTIVE;
else
next_state = ECORE_Q_STATE_MULTI_COS;
}
break;
case ECORE_Q_STATE_MCOS_TERMINATED:
if (cmd == ECORE_Q_CMD_CFC_DEL) {
next_tx_only = o->num_tx_only - 1;
if (next_tx_only == 0)
next_state = ECORE_Q_STATE_ACTIVE;
else
next_state = ECORE_Q_STATE_MULTI_COS;
}
break;
case ECORE_Q_STATE_INACTIVE:
if (cmd == ECORE_Q_CMD_ACTIVATE)
next_state = ECORE_Q_STATE_ACTIVE;
else if ((cmd == ECORE_Q_CMD_EMPTY) ||
(cmd == ECORE_Q_CMD_UPDATE_TPA))
next_state = ECORE_Q_STATE_INACTIVE;
else if (cmd == ECORE_Q_CMD_HALT)
next_state = ECORE_Q_STATE_STOPPED;
else if (cmd == ECORE_Q_CMD_UPDATE) {
/* If "active" state change is requested, update the
* state accordingly.
*/
if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
&update_params->update_flags) &&
ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
&update_params->update_flags)){
if (o->num_tx_only == 0)
next_state = ECORE_Q_STATE_ACTIVE;
else /* tx only queues exist for this queue */
next_state = ECORE_Q_STATE_MULTI_COS;
} else
next_state = ECORE_Q_STATE_INACTIVE;
}
break;
case ECORE_Q_STATE_STOPPED:
if (cmd == ECORE_Q_CMD_TERMINATE)
next_state = ECORE_Q_STATE_TERMINATED;
break;
case ECORE_Q_STATE_TERMINATED:
if (cmd == ECORE_Q_CMD_CFC_DEL)
next_state = ECORE_Q_STATE_RESET;
break;
default:
ECORE_ERR("Illegal state: %d\n", state);
}
/* Transition is assured */
if (next_state != ECORE_Q_STATE_MAX) {
ECORE_MSG(sc, "Good state transition: %d(%d)->%d\n",
state, cmd, next_state);
o->next_state = next_state;
o->next_tx_only = next_tx_only;
return ECORE_SUCCESS;
}
ECORE_MSG(sc, "Bad state transition request: %d %d\n", state, cmd);
return ECORE_INVAL;
}
/**
* ecore_queue_chk_fwd_transition - check state machine of a Forwarding Queue.
*
* @sc: device handle
* @o:
* @params:
*
* It both checks if the requested command is legal in a current
* state and, if it's legal, sets a `next_state' in the object
* that will be used in the completion flow to set the `state'
* of the object.
*
* returns 0 if a requested command is a legal transition,
* ECORE_INVAL otherwise.
*/
static int ecore_queue_chk_fwd_transition(struct bxe_softc *sc,
struct ecore_queue_sp_obj *o,
struct ecore_queue_state_params *params)
{
enum ecore_q_state state = o->state, next_state = ECORE_Q_STATE_MAX;
enum ecore_queue_cmd cmd = params->cmd;
switch (state) {
case ECORE_Q_STATE_RESET:
if (cmd == ECORE_Q_CMD_INIT)
next_state = ECORE_Q_STATE_INITIALIZED;
break;
case ECORE_Q_STATE_INITIALIZED:
if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
if (ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
&params->params.tx_only.flags))
next_state = ECORE_Q_STATE_ACTIVE;
else
next_state = ECORE_Q_STATE_INACTIVE;
}
break;
case ECORE_Q_STATE_ACTIVE:
case ECORE_Q_STATE_INACTIVE:
if (cmd == ECORE_Q_CMD_CFC_DEL)
next_state = ECORE_Q_STATE_RESET;
break;
default:
ECORE_ERR("Illegal state: %d\n", state);
}
/* Transition is assured */
if (next_state != ECORE_Q_STATE_MAX) {
ECORE_MSG(sc, "Good state transition: %d(%d)->%d\n",
state, cmd, next_state);
o->next_state = next_state;
return ECORE_SUCCESS;
}
ECORE_MSG(sc, "Bad state transition request: %d %d\n", state, cmd);
return ECORE_INVAL;
}
void ecore_init_queue_obj(struct bxe_softc *sc,
struct ecore_queue_sp_obj *obj,
uint8_t cl_id, uint32_t *cids, uint8_t cid_cnt, uint8_t func_id,
void *rdata,
ecore_dma_addr_t rdata_mapping, unsigned long type)
{
ECORE_MEMSET(obj, 0, sizeof(*obj));
/* We support only ECORE_MULTI_TX_COS Tx CoS at the moment */
ECORE_BUG_ON(ECORE_MULTI_TX_COS < cid_cnt);
memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt);
obj->max_cos = cid_cnt;
obj->cl_id = cl_id;
obj->func_id = func_id;
obj->rdata = rdata;
obj->rdata_mapping = rdata_mapping;
obj->type = type;
obj->next_state = ECORE_Q_STATE_MAX;
if (CHIP_IS_E1x(sc))
obj->send_cmd = ecore_queue_send_cmd_e1x;
else
obj->send_cmd = ecore_queue_send_cmd_e2;
if (ECORE_TEST_BIT(ECORE_Q_TYPE_FWD, &type))
obj->check_transition = ecore_queue_chk_fwd_transition;
else
obj->check_transition = ecore_queue_chk_transition;
obj->complete_cmd = ecore_queue_comp_cmd;
obj->wait_comp = ecore_queue_wait_comp;
obj->set_pending = ecore_queue_set_pending;
}
/* return a queue object's logical state*/
int ecore_get_q_logical_state(struct bxe_softc *sc,
struct ecore_queue_sp_obj *obj)
{
switch (obj->state) {
case ECORE_Q_STATE_ACTIVE:
case ECORE_Q_STATE_MULTI_COS:
return ECORE_Q_LOGICAL_STATE_ACTIVE;
case ECORE_Q_STATE_RESET:
case ECORE_Q_STATE_INITIALIZED:
case ECORE_Q_STATE_MCOS_TERMINATED:
case ECORE_Q_STATE_INACTIVE:
case ECORE_Q_STATE_STOPPED:
case ECORE_Q_STATE_TERMINATED:
case ECORE_Q_STATE_FLRED:
return ECORE_Q_LOGICAL_STATE_STOPPED;
default:
return ECORE_INVAL;
}
}
/********************** Function state object *********************************/
enum ecore_func_state ecore_func_get_state(struct bxe_softc *sc,
struct ecore_func_sp_obj *o)
{
/* in the middle of transaction - return INVALID state */
if (o->pending)
return ECORE_F_STATE_MAX;
/* unsure the order of reading of o->pending and o->state
* o->pending should be read first
*/
rmb();
return o->state;
}
static int ecore_func_wait_comp(struct bxe_softc *sc,
struct ecore_func_sp_obj *o,
enum ecore_func_cmd cmd)
{
return ecore_state_wait(sc, cmd, &o->pending);
}
/**
* ecore_func_state_change_comp - complete the state machine transition
*
* @sc: device handle
* @o:
* @cmd:
*
* Called on state change transition. Completes the state
* machine transition only - no HW interaction.
*/
static inline int ecore_func_state_change_comp(struct bxe_softc *sc,
struct ecore_func_sp_obj *o,
enum ecore_func_cmd cmd)
{
unsigned long cur_pending = o->pending;
if (!ECORE_TEST_AND_CLEAR_BIT(cmd, &cur_pending)) {
ECORE_ERR("Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d\n",
cmd, ECORE_FUNC_ID(sc), o->state,
cur_pending, o->next_state);
return ECORE_INVAL;
}
ECORE_MSG(sc,
"Completing command %d for func %d, setting state to %d\n",
cmd, ECORE_FUNC_ID(sc), o->next_state);
o->state = o->next_state;
o->next_state = ECORE_F_STATE_MAX;
/* It's important that o->state and o->next_state are
* updated before o->pending.
*/
wmb();
ECORE_CLEAR_BIT(cmd, &o->pending);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
return ECORE_SUCCESS;
}
/**
* ecore_func_comp_cmd - complete the state change command
*
* @sc: device handle
* @o:
* @cmd:
*
* Checks that the arrived completion is expected.
*/
static int ecore_func_comp_cmd(struct bxe_softc *sc,
struct ecore_func_sp_obj *o,
enum ecore_func_cmd cmd)
{
/* Complete the state machine part first, check if it's a
* legal completion.
*/
int rc = ecore_func_state_change_comp(sc, o, cmd);
return rc;
}
/**
* ecore_func_chk_transition - perform function state machine transition
*
* @sc: device handle
* @o:
* @params:
*
* It both checks if the requested command is legal in a current
* state and, if it's legal, sets a `next_state' in the object
* that will be used in the completion flow to set the `state'
* of the object.
*
* returns 0 if a requested command is a legal transition,
* ECORE_INVAL otherwise.
*/
static int ecore_func_chk_transition(struct bxe_softc *sc,
struct ecore_func_sp_obj *o,
struct ecore_func_state_params *params)
{
enum ecore_func_state state = o->state, next_state = ECORE_F_STATE_MAX;
enum ecore_func_cmd cmd = params->cmd;
/* Forget all pending for completion commands if a driver only state
* transition has been requested.
*/
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
o->pending = 0;
o->next_state = ECORE_F_STATE_MAX;
}
/* Don't allow a next state transition if we are in the middle of
* the previous one.
*/
if (o->pending)
return ECORE_BUSY;
switch (state) {
case ECORE_F_STATE_RESET:
if (cmd == ECORE_F_CMD_HW_INIT)
next_state = ECORE_F_STATE_INITIALIZED;
break;
case ECORE_F_STATE_INITIALIZED:
if (cmd == ECORE_F_CMD_START)
next_state = ECORE_F_STATE_STARTED;
else if (cmd == ECORE_F_CMD_HW_RESET)
next_state = ECORE_F_STATE_RESET;
break;
case ECORE_F_STATE_STARTED:
if (cmd == ECORE_F_CMD_STOP)
next_state = ECORE_F_STATE_INITIALIZED;
/* afex ramrods can be sent only in started mode, and only
* if not pending for function_stop ramrod completion
* for these events - next state remained STARTED.
*/
else if ((cmd == ECORE_F_CMD_AFEX_UPDATE) &&
(!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
next_state = ECORE_F_STATE_STARTED;
else if ((cmd == ECORE_F_CMD_AFEX_VIFLISTS) &&
(!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
next_state = ECORE_F_STATE_STARTED;
/* Switch_update ramrod can be sent in either started or
* tx_stopped state, and it doesn't change the state.
*/
else if ((cmd == ECORE_F_CMD_SWITCH_UPDATE) &&
(!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
next_state = ECORE_F_STATE_STARTED;
else if (cmd == ECORE_F_CMD_TX_STOP)
next_state = ECORE_F_STATE_TX_STOPPED;
break;
case ECORE_F_STATE_TX_STOPPED:
if ((cmd == ECORE_F_CMD_SWITCH_UPDATE) &&
(!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
next_state = ECORE_F_STATE_TX_STOPPED;
else if (cmd == ECORE_F_CMD_TX_START)
next_state = ECORE_F_STATE_STARTED;
break;
default:
ECORE_ERR("Unknown state: %d\n", state);
}
/* Transition is assured */
if (next_state != ECORE_F_STATE_MAX) {
ECORE_MSG(sc, "Good function state transition: %d(%d)->%d\n",
state, cmd, next_state);
o->next_state = next_state;
return ECORE_SUCCESS;
}
ECORE_MSG(sc, "Bad function state transition request: %d %d\n",
state, cmd);
return ECORE_INVAL;
}
/**
* ecore_func_init_func - performs HW init at function stage
*
* @sc: device handle
* @drv:
*
* Init HW when the current phase is
* FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only
* HW blocks.
*/
static inline int ecore_func_init_func(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
return drv->init_hw_func(sc);
}
/**
* ecore_func_init_port - performs HW init at port stage
*
* @sc: device handle
* @drv:
*
* Init HW when the current phase is
* FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and
* FUNCTION-only HW blocks.
*
*/
static inline int ecore_func_init_port(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
int rc = drv->init_hw_port(sc);
if (rc)
return rc;
return ecore_func_init_func(sc, drv);
}
/**
* ecore_func_init_cmn_chip - performs HW init at chip-common stage
*
* @sc: device handle
* @drv:
*
* Init HW when the current phase is
* FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON_CHIP,
* PORT-only and FUNCTION-only HW blocks.
*/
static inline int ecore_func_init_cmn_chip(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
int rc = drv->init_hw_cmn_chip(sc);
if (rc)
return rc;
return ecore_func_init_port(sc, drv);
}
/**
* ecore_func_init_cmn - performs HW init at common stage
*
* @sc: device handle
* @drv:
*
* Init HW when the current phase is
* FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON,
* PORT-only and FUNCTION-only HW blocks.
*/
static inline int ecore_func_init_cmn(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
int rc = drv->init_hw_cmn(sc);
if (rc)
return rc;
return ecore_func_init_port(sc, drv);
}
static int ecore_func_hw_init(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
uint32_t load_code = params->params.hw_init.load_phase;
struct ecore_func_sp_obj *o = params->f_obj;
const struct ecore_func_sp_drv_ops *drv = o->drv;
int rc = 0;
ECORE_MSG(sc, "function %d load_code %x\n",
ECORE_ABS_FUNC_ID(sc), load_code);
/* Prepare buffers for unzipping the FW */
rc = drv->gunzip_init(sc);
if (rc)
return rc;
/* Prepare FW */
rc = drv->init_fw(sc);
if (rc) {
ECORE_ERR("Error loading firmware\n");
goto init_err;
}
/* Handle the beginning of COMMON_XXX pases separately... */
switch (load_code) {
case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
rc = ecore_func_init_cmn_chip(sc, drv);
if (rc)
goto init_err;
break;
case FW_MSG_CODE_DRV_LOAD_COMMON:
rc = ecore_func_init_cmn(sc, drv);
if (rc)
goto init_err;
break;
case FW_MSG_CODE_DRV_LOAD_PORT:
rc = ecore_func_init_port(sc, drv);
if (rc)
goto init_err;
break;
case FW_MSG_CODE_DRV_LOAD_FUNCTION:
rc = ecore_func_init_func(sc, drv);
if (rc)
goto init_err;
break;
default:
ECORE_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
rc = ECORE_INVAL;
}
init_err:
drv->gunzip_end(sc);
/* In case of success, complete the command immediately: no ramrods
* have been sent.
*/
if (!rc)
o->complete_cmd(sc, o, ECORE_F_CMD_HW_INIT);
return rc;
}
/**
* ecore_func_reset_func - reset HW at function stage
*
* @sc: device handle
* @drv:
*
* Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only
* FUNCTION-only HW blocks.
*/
static inline void ecore_func_reset_func(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
drv->reset_hw_func(sc);
}
/**
* ecore_func_reset_port - reser HW at port stage
*
* @sc: device handle
* @drv:
*
* Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset
* FUNCTION-only and PORT-only HW blocks.
*
* !!!IMPORTANT!!!
*
* It's important to call reset_port before reset_func() as the last thing
* reset_func does is pf_disable() thus disabling PGLUE_B, which
* makes impossible any DMAE transactions.
*/
static inline void ecore_func_reset_port(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
drv->reset_hw_port(sc);
ecore_func_reset_func(sc, drv);
}
/**
* ecore_func_reset_cmn - reser HW at common stage
*
* @sc: device handle
* @drv:
*
* Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and
* FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON,
* COMMON_CHIP, FUNCTION-only and PORT-only HW blocks.
*/
static inline void ecore_func_reset_cmn(struct bxe_softc *sc,
const struct ecore_func_sp_drv_ops *drv)
{
ecore_func_reset_port(sc, drv);
drv->reset_hw_cmn(sc);
}
static inline int ecore_func_hw_reset(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
uint32_t reset_phase = params->params.hw_reset.reset_phase;
struct ecore_func_sp_obj *o = params->f_obj;
const struct ecore_func_sp_drv_ops *drv = o->drv;
ECORE_MSG(sc, "function %d reset_phase %x\n", ECORE_ABS_FUNC_ID(sc),
reset_phase);
switch (reset_phase) {
case FW_MSG_CODE_DRV_UNLOAD_COMMON:
ecore_func_reset_cmn(sc, drv);
break;
case FW_MSG_CODE_DRV_UNLOAD_PORT:
ecore_func_reset_port(sc, drv);
break;
case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
ecore_func_reset_func(sc, drv);
break;
default:
ECORE_ERR("Unknown reset_phase (0x%x) from MCP\n",
reset_phase);
break;
}
/* Complete the command immediately: no ramrods have been sent. */
o->complete_cmd(sc, o, ECORE_F_CMD_HW_RESET);
return ECORE_SUCCESS;
}
static inline int ecore_func_send_start(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
struct ecore_func_sp_obj *o = params->f_obj;
struct function_start_data *rdata =
(struct function_start_data *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
struct ecore_func_start_params *start_params = &params->params.start;
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data with provided parameters */
rdata->function_mode = (uint8_t)start_params->mf_mode;
rdata->sd_vlan_tag = ECORE_CPU_TO_LE16(start_params->sd_vlan_tag);
rdata->path_id = ECORE_PATH_ID(sc);
rdata->network_cos_mode = start_params->network_cos_mode;
rdata->gre_tunnel_mode = start_params->gre_tunnel_mode;
rdata->gre_tunnel_rss = start_params->gre_tunnel_rss;
/*
* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0,
data_mapping, NONE_CONNECTION_TYPE);
}
static inline int ecore_func_send_switch_update(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
struct ecore_func_sp_obj *o = params->f_obj;
struct function_update_data *rdata =
(struct function_update_data *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
struct ecore_func_switch_update_params *switch_update_params =
&params->params.switch_update;
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data with provided parameters */
rdata->tx_switch_suspend_change_flg = 1;
rdata->tx_switch_suspend = switch_update_params->suspend;
rdata->echo = SWITCH_UPDATE;
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0,
data_mapping, NONE_CONNECTION_TYPE);
}
static inline int ecore_func_send_afex_update(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
struct ecore_func_sp_obj *o = params->f_obj;
struct function_update_data *rdata =
(struct function_update_data *)o->afex_rdata;
ecore_dma_addr_t data_mapping = o->afex_rdata_mapping;
struct ecore_func_afex_update_params *afex_update_params =
&params->params.afex_update;
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data with provided parameters */
rdata->vif_id_change_flg = 1;
rdata->vif_id = ECORE_CPU_TO_LE16(afex_update_params->vif_id);
rdata->afex_default_vlan_change_flg = 1;
rdata->afex_default_vlan =
ECORE_CPU_TO_LE16(afex_update_params->afex_default_vlan);
rdata->allowed_priorities_change_flg = 1;
rdata->allowed_priorities = afex_update_params->allowed_priorities;
rdata->echo = AFEX_UPDATE;
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
ECORE_MSG(sc,
"afex: sending func_update vif_id 0x%x dvlan 0x%x prio 0x%x\n",
rdata->vif_id,
rdata->afex_default_vlan, rdata->allowed_priorities);
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0,
data_mapping, NONE_CONNECTION_TYPE);
}
static
inline int ecore_func_send_afex_viflists(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
struct ecore_func_sp_obj *o = params->f_obj;
struct afex_vif_list_ramrod_data *rdata =
(struct afex_vif_list_ramrod_data *)o->afex_rdata;
struct ecore_func_afex_viflists_params *afex_vif_params =
&params->params.afex_viflists;
uint64_t *p_rdata = (uint64_t *)rdata;
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data with provided parameters */
rdata->vif_list_index = ECORE_CPU_TO_LE16(afex_vif_params->vif_list_index);
rdata->func_bit_map = afex_vif_params->func_bit_map;
rdata->afex_vif_list_command = afex_vif_params->afex_vif_list_command;
rdata->func_to_clear = afex_vif_params->func_to_clear;
/* send in echo type of sub command */
rdata->echo = afex_vif_params->afex_vif_list_command;
/* No need for an explicit memory barrier here as long we would
* need to ensure the ordering of writing to the SPQ element
* and updating of the SPQ producer which involves a memory
* read and we will have to put a full memory barrier there
* (inside ecore_sp_post()).
*/
ECORE_MSG(sc, "afex: ramrod lists, cmd 0x%x index 0x%x func_bit_map 0x%x func_to_clr 0x%x\n",
rdata->afex_vif_list_command, rdata->vif_list_index,
rdata->func_bit_map, rdata->func_to_clear);
/* this ramrod sends data directly and not through DMA mapping */
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_AFEX_VIF_LISTS, 0,
*p_rdata, NONE_CONNECTION_TYPE);
}
static inline int ecore_func_send_stop(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0,
NONE_CONNECTION_TYPE);
}
static inline int ecore_func_send_tx_stop(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0,
NONE_CONNECTION_TYPE);
}
static inline int ecore_func_send_tx_start(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
struct ecore_func_sp_obj *o = params->f_obj;
struct flow_control_configuration *rdata =
(struct flow_control_configuration *)o->rdata;
ecore_dma_addr_t data_mapping = o->rdata_mapping;
struct ecore_func_tx_start_params *tx_start_params =
&params->params.tx_start;
int i;
ECORE_MEMSET(rdata, 0, sizeof(*rdata));
rdata->dcb_enabled = tx_start_params->dcb_enabled;
rdata->dcb_version = tx_start_params->dcb_version;
rdata->dont_add_pri_0 = tx_start_params->dont_add_pri_0;
for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++)
rdata->traffic_type_to_priority_cos[i] =
tx_start_params->traffic_type_to_priority_cos[i];
return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0,
data_mapping, NONE_CONNECTION_TYPE);
}
static int ecore_func_send_cmd(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
switch (params->cmd) {
case ECORE_F_CMD_HW_INIT:
return ecore_func_hw_init(sc, params);
case ECORE_F_CMD_START:
return ecore_func_send_start(sc, params);
case ECORE_F_CMD_STOP:
return ecore_func_send_stop(sc, params);
case ECORE_F_CMD_HW_RESET:
return ecore_func_hw_reset(sc, params);
case ECORE_F_CMD_AFEX_UPDATE:
return ecore_func_send_afex_update(sc, params);
case ECORE_F_CMD_AFEX_VIFLISTS:
return ecore_func_send_afex_viflists(sc, params);
case ECORE_F_CMD_TX_STOP:
return ecore_func_send_tx_stop(sc, params);
case ECORE_F_CMD_TX_START:
return ecore_func_send_tx_start(sc, params);
case ECORE_F_CMD_SWITCH_UPDATE:
return ecore_func_send_switch_update(sc, params);
default:
ECORE_ERR("Unknown command: %d\n", params->cmd);
return ECORE_INVAL;
}
}
void ecore_init_func_obj(struct bxe_softc *sc,
struct ecore_func_sp_obj *obj,
void *rdata, ecore_dma_addr_t rdata_mapping,
void *afex_rdata, ecore_dma_addr_t afex_rdata_mapping,
struct ecore_func_sp_drv_ops *drv_iface)
{
ECORE_MEMSET(obj, 0, sizeof(*obj));
ECORE_MUTEX_INIT(&obj->one_pending_mutex);
obj->rdata = rdata;
obj->rdata_mapping = rdata_mapping;
obj->afex_rdata = afex_rdata;
obj->afex_rdata_mapping = afex_rdata_mapping;
obj->send_cmd = ecore_func_send_cmd;
obj->check_transition = ecore_func_chk_transition;
obj->complete_cmd = ecore_func_comp_cmd;
obj->wait_comp = ecore_func_wait_comp;
obj->drv = drv_iface;
}
/**
* ecore_func_state_change - perform Function state change transition
*
* @sc: device handle
* @params: parameters to perform the transaction
*
* returns 0 in case of successfully completed transition,
* negative error code in case of failure, positive
* (EBUSY) value if there is a completion to that is
* still pending (possible only if RAMROD_COMP_WAIT is
* not set in params->ramrod_flags for asynchronous
* commands).
*/
int ecore_func_state_change(struct bxe_softc *sc,
struct ecore_func_state_params *params)
{
struct ecore_func_sp_obj *o = params->f_obj;
int rc, cnt = 300;
enum ecore_func_cmd cmd = params->cmd;
unsigned long *pending = &o->pending;
ECORE_MUTEX_LOCK(&o->one_pending_mutex);
/* Check that the requested transition is legal */
rc = o->check_transition(sc, o, params);
if ((rc == ECORE_BUSY) &&
(ECORE_TEST_BIT(RAMROD_RETRY, &params->ramrod_flags))) {
while ((rc == ECORE_BUSY) && (--cnt > 0)) {
ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
ECORE_MSLEEP(10);
ECORE_MUTEX_LOCK(&o->one_pending_mutex);
rc = o->check_transition(sc, o, params);
}
if (rc == ECORE_BUSY) {
ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
ECORE_ERR("timeout waiting for previous ramrod completion\n");
return rc;
}
} else if (rc) {
ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
return rc;
}
/* Set "pending" bit */
ECORE_SET_BIT(cmd, pending);
/* Don't send a command if only driver cleanup was requested */
if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
ecore_func_state_change_comp(sc, o, cmd);
ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
} else {
/* Send a ramrod */
rc = o->send_cmd(sc, params);
ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
if (rc) {
o->next_state = ECORE_F_STATE_MAX;
ECORE_CLEAR_BIT(cmd, pending);
ECORE_SMP_MB_AFTER_CLEAR_BIT();
return rc;
}
if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
rc = o->wait_comp(sc, o, cmd);
if (rc)
return rc;
return ECORE_SUCCESS;
}
}
return ECORE_RET_PENDING(cmd, pending);
}
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