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linux/drivers/net/benet/be_cmds.c

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/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#include "be.h"
#include "be_cmds.h"
static void be_mcc_notify(struct be_adapter *adapter)
{
struct be_queue_info *mccq = &adapter->mcc_obj.q;
u32 val = 0;
val |= mccq->id & DB_MCCQ_RING_ID_MASK;
val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
}
/* To check if valid bit is set, check the entire word as we don't know
* the endianness of the data (old entry is host endian while a new entry is
* little endian) */
static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
{
if (compl->flags != 0) {
compl->flags = le32_to_cpu(compl->flags);
BUG_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
return true;
} else {
return false;
}
}
/* Need to reset the entire word that houses the valid bit */
static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
{
compl->flags = 0;
}
static int be_mcc_compl_process(struct be_adapter *adapter,
struct be_mcc_compl *compl)
{
u16 compl_status, extd_status;
/* Just swap the status to host endian; mcc tag is opaquely copied
* from mcc_wrb */
be_dws_le_to_cpu(compl, 4);
compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
CQE_STATUS_COMPL_MASK;
if (compl_status == MCC_STATUS_SUCCESS) {
if (compl->tag0 == OPCODE_ETH_GET_STATISTICS) {
struct be_cmd_resp_get_stats *resp =
adapter->stats.cmd.va;
be_dws_le_to_cpu(&resp->hw_stats,
sizeof(resp->hw_stats));
netdev_stats_update(adapter);
}
} else if (compl_status != MCC_STATUS_NOT_SUPPORTED) {
extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
CQE_STATUS_EXTD_MASK;
dev_warn(&adapter->pdev->dev,
"Error in cmd completion: status(compl/extd)=%d/%d\n",
compl_status, extd_status);
}
return compl_status;
}
/* Link state evt is a string of bytes; no need for endian swapping */
static void be_async_link_state_process(struct be_adapter *adapter,
struct be_async_event_link_state *evt)
{
be_link_status_update(adapter,
evt->port_link_status == ASYNC_EVENT_LINK_UP);
}
static inline bool is_link_state_evt(u32 trailer)
{
return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
ASYNC_TRAILER_EVENT_CODE_MASK) ==
ASYNC_EVENT_CODE_LINK_STATE);
}
static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
{
struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
if (be_mcc_compl_is_new(compl)) {
queue_tail_inc(mcc_cq);
return compl;
}
return NULL;
}
int be_process_mcc(struct be_adapter *adapter)
{
struct be_mcc_compl *compl;
int num = 0, status = 0;
spin_lock_bh(&adapter->mcc_cq_lock);
while ((compl = be_mcc_compl_get(adapter))) {
if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
/* Interpret flags as an async trailer */
BUG_ON(!is_link_state_evt(compl->flags));
/* Interpret compl as a async link evt */
be_async_link_state_process(adapter,
(struct be_async_event_link_state *) compl);
} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
status = be_mcc_compl_process(adapter, compl);
atomic_dec(&adapter->mcc_obj.q.used);
}
be_mcc_compl_use(compl);
num++;
}
if (num)
be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, num);
spin_unlock_bh(&adapter->mcc_cq_lock);
return status;
}
/* Wait till no more pending mcc requests are present */
static int be_mcc_wait_compl(struct be_adapter *adapter)
{
#define mcc_timeout 120000 /* 12s timeout */
int i, status;
for (i = 0; i < mcc_timeout; i++) {
status = be_process_mcc(adapter);
if (status)
return status;
if (atomic_read(&adapter->mcc_obj.q.used) == 0)
break;
udelay(100);
}
if (i == mcc_timeout) {
dev_err(&adapter->pdev->dev, "mccq poll timed out\n");
return -1;
}
return 0;
}
/* Notify MCC requests and wait for completion */
static int be_mcc_notify_wait(struct be_adapter *adapter)
{
be_mcc_notify(adapter);
return be_mcc_wait_compl(adapter);
}
static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
{
int cnt = 0, wait = 5;
u32 ready;
do {
ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
if (ready)
break;
if (cnt > 4000000) {
dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
return -1;
}
if (cnt > 50)
wait = 200;
cnt += wait;
udelay(wait);
} while (true);
return 0;
}
/*
* Insert the mailbox address into the doorbell in two steps
* Polls on the mbox doorbell till a command completion (or a timeout) occurs
*/
static int be_mbox_notify_wait(struct be_adapter *adapter)
{
int status;
u32 val = 0;
void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
struct be_mcc_mailbox *mbox = mbox_mem->va;
struct be_mcc_compl *compl = &mbox->compl;
val |= MPU_MAILBOX_DB_HI_MASK;
/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
iowrite32(val, db);
/* wait for ready to be set */
status = be_mbox_db_ready_wait(adapter, db);
if (status != 0)
return status;
val = 0;
/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
val |= (u32)(mbox_mem->dma >> 4) << 2;
iowrite32(val, db);
status = be_mbox_db_ready_wait(adapter, db);
if (status != 0)
return status;
/* A cq entry has been made now */
if (be_mcc_compl_is_new(compl)) {
status = be_mcc_compl_process(adapter, &mbox->compl);
be_mcc_compl_use(compl);
if (status)
return status;
} else {
dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
return -1;
}
return 0;
}
static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage)
{
u32 sem = ioread32(adapter->csr + MPU_EP_SEMAPHORE_OFFSET);
*stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
return -1;
else
return 0;
}
int be_cmd_POST(struct be_adapter *adapter)
{
u16 stage;
int status, timeout = 0;
do {
status = be_POST_stage_get(adapter, &stage);
if (status) {
dev_err(&adapter->pdev->dev, "POST error; stage=0x%x\n",
stage);
return -1;
} else if (stage != POST_STAGE_ARMFW_RDY) {
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(2 * HZ);
timeout += 2;
} else {
return 0;
}
} while (timeout < 20);
dev_err(&adapter->pdev->dev, "POST timeout; stage=0x%x\n", stage);
return -1;
}
static inline void *embedded_payload(struct be_mcc_wrb *wrb)
{
return wrb->payload.embedded_payload;
}
static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
{
return &wrb->payload.sgl[0];
}
/* Don't touch the hdr after it's prepared */
static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
bool embedded, u8 sge_cnt)
{
if (embedded)
wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
else
wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
MCC_WRB_SGE_CNT_SHIFT;
wrb->payload_length = payload_len;
be_dws_cpu_to_le(wrb, 20);
}
/* Don't touch the hdr after it's prepared */
static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
u8 subsystem, u8 opcode, int cmd_len)
{
req_hdr->opcode = opcode;
req_hdr->subsystem = subsystem;
req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
}
static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
struct be_dma_mem *mem)
{
int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
u64 dma = (u64)mem->dma;
for (i = 0; i < buf_pages; i++) {
pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
pages[i].hi = cpu_to_le32(upper_32_bits(dma));
dma += PAGE_SIZE_4K;
}
}
/* Converts interrupt delay in microseconds to multiplier value */
static u32 eq_delay_to_mult(u32 usec_delay)
{
#define MAX_INTR_RATE 651042
const u32 round = 10;
u32 multiplier;
if (usec_delay == 0)
multiplier = 0;
else {
u32 interrupt_rate = 1000000 / usec_delay;
/* Max delay, corresponding to the lowest interrupt rate */
if (interrupt_rate == 0)
multiplier = 1023;
else {
multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
multiplier /= interrupt_rate;
/* Round the multiplier to the closest value.*/
multiplier = (multiplier + round/2) / round;
multiplier = min(multiplier, (u32)1023);
}
}
return multiplier;
}
static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
{
struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
struct be_mcc_wrb *wrb
= &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
memset(wrb, 0, sizeof(*wrb));
return wrb;
}
static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
{
struct be_queue_info *mccq = &adapter->mcc_obj.q;
struct be_mcc_wrb *wrb;
if (atomic_read(&mccq->used) >= mccq->len) {
dev_err(&adapter->pdev->dev, "Out of MCCQ wrbs\n");
return NULL;
}
wrb = queue_head_node(mccq);
queue_head_inc(mccq);
atomic_inc(&mccq->used);
memset(wrb, 0, sizeof(*wrb));
return wrb;
}
/* Tell fw we're about to start firing cmds by writing a
* special pattern across the wrb hdr; uses mbox
*/
int be_cmd_fw_init(struct be_adapter *adapter)
{
u8 *wrb;
int status;
spin_lock(&adapter->mbox_lock);
wrb = (u8 *)wrb_from_mbox(adapter);
*wrb++ = 0xFF;
*wrb++ = 0x12;
*wrb++ = 0x34;
*wrb++ = 0xFF;
*wrb++ = 0xFF;
*wrb++ = 0x56;
*wrb++ = 0x78;
*wrb = 0xFF;
status = be_mbox_notify_wait(adapter);
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Tell fw we're done with firing cmds by writing a
* special pattern across the wrb hdr; uses mbox
*/
int be_cmd_fw_clean(struct be_adapter *adapter)
{
u8 *wrb;
int status;
spin_lock(&adapter->mbox_lock);
wrb = (u8 *)wrb_from_mbox(adapter);
*wrb++ = 0xFF;
*wrb++ = 0xAA;
*wrb++ = 0xBB;
*wrb++ = 0xFF;
*wrb++ = 0xFF;
*wrb++ = 0xCC;
*wrb++ = 0xDD;
*wrb = 0xFF;
status = be_mbox_notify_wait(adapter);
spin_unlock(&adapter->mbox_lock);
return status;
}
int be_cmd_eq_create(struct be_adapter *adapter,
struct be_queue_info *eq, int eq_delay)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_eq_create *req;
struct be_dma_mem *q_mem = &eq->dma_mem;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_EQ_CREATE, sizeof(*req));
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_eq_context, func, req->context,
be_pci_func(adapter));
AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
/* 4byte eqe*/
AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
AMAP_SET_BITS(struct amap_eq_context, count, req->context,
__ilog2_u32(eq->len/256));
AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
eq_delay_to_mult(eq_delay));
be_dws_cpu_to_le(req->context, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
eq->id = le16_to_cpu(resp->eq_id);
eq->created = true;
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Uses mbox */
int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
u8 type, bool permanent, u32 if_handle)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_mac_query *req;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
req->type = type;
if (permanent) {
req->permanent = 1;
} else {
req->if_id = cpu_to_le16((u16) if_handle);
req->permanent = 0;
}
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Uses synchronous MCCQ */
int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
u32 if_id, u32 *pmac_id)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_pmac_add *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
req->if_id = cpu_to_le32(if_id);
memcpy(req->mac_address, mac_addr, ETH_ALEN);
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
*pmac_id = le32_to_cpu(resp->pmac_id);
}
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses synchronous MCCQ */
int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_pmac_del *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
req->if_id = cpu_to_le32(if_id);
req->pmac_id = cpu_to_le32(pmac_id);
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses Mbox */
int be_cmd_cq_create(struct be_adapter *adapter,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay, int coalesce_wm)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_cq_create *req;
struct be_dma_mem *q_mem = &cq->dma_mem;
void *ctxt;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_CQ_CREATE, sizeof(*req));
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
__ilog2_u32(cq->len/256));
AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, func, ctxt, be_pci_func(adapter));
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
cq->id = le16_to_cpu(resp->cq_id);
cq->created = true;
}
spin_unlock(&adapter->mbox_lock);
return status;
}
static u32 be_encoded_q_len(int q_len)
{
u32 len_encoded = fls(q_len); /* log2(len) + 1 */
if (len_encoded == 16)
len_encoded = 0;
return len_encoded;
}
int be_cmd_mccq_create(struct be_adapter *adapter,
struct be_queue_info *mccq,
struct be_queue_info *cq)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_mcc_create *req;
struct be_dma_mem *q_mem = &mccq->dma_mem;
void *ctxt;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MCC_CREATE, sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, be_pci_func(adapter));
AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
be_encoded_q_len(mccq->len));
AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
mccq->id = le16_to_cpu(resp->id);
mccq->created = true;
}
spin_unlock(&adapter->mbox_lock);
return status;
}
int be_cmd_txq_create(struct be_adapter *adapter,
struct be_queue_info *txq,
struct be_queue_info *cq)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_eth_tx_create *req;
struct be_dma_mem *q_mem = &txq->dma_mem;
void *ctxt;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
req->ulp_num = BE_ULP1_NUM;
req->type = BE_ETH_TX_RING_TYPE_STANDARD;
AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt,
be_encoded_q_len(txq->len));
AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
be_pci_func(adapter));
AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
txq->id = le16_to_cpu(resp->cid);
txq->created = true;
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Uses mbox */
int be_cmd_rxq_create(struct be_adapter *adapter,
struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
u16 max_frame_size, u32 if_id, u32 rss)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_eth_rx_create *req;
struct be_dma_mem *q_mem = &rxq->dma_mem;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
sizeof(*req));
req->cq_id = cpu_to_le16(cq_id);
req->frag_size = fls(frag_size) - 1;
req->num_pages = 2;
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
req->interface_id = cpu_to_le32(if_id);
req->max_frame_size = cpu_to_le16(max_frame_size);
req->rss_queue = cpu_to_le32(rss);
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
rxq->id = le16_to_cpu(resp->id);
rxq->created = true;
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Generic destroyer function for all types of queues
* Uses Mbox
*/
int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
int queue_type)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_q_destroy *req;
u8 subsys = 0, opcode = 0;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
switch (queue_type) {
case QTYPE_EQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_EQ_DESTROY;
break;
case QTYPE_CQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_CQ_DESTROY;
break;
case QTYPE_TXQ:
subsys = CMD_SUBSYSTEM_ETH;
opcode = OPCODE_ETH_TX_DESTROY;
break;
case QTYPE_RXQ:
subsys = CMD_SUBSYSTEM_ETH;
opcode = OPCODE_ETH_RX_DESTROY;
break;
case QTYPE_MCCQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_MCC_DESTROY;
break;
default:
BUG();
}
be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
req->id = cpu_to_le16(q->id);
status = be_mbox_notify_wait(adapter);
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Create an rx filtering policy configuration on an i/f
* Uses mbox
*/
int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_if_create *req;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
req->capability_flags = cpu_to_le32(cap_flags);
req->enable_flags = cpu_to_le32(en_flags);
req->pmac_invalid = pmac_invalid;
if (!pmac_invalid)
memcpy(req->mac_addr, mac, ETH_ALEN);
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
*if_handle = le32_to_cpu(resp->interface_id);
if (!pmac_invalid)
*pmac_id = le32_to_cpu(resp->pmac_id);
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Uses mbox */
int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_if_destroy *req;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
req->interface_id = cpu_to_le32(interface_id);
status = be_mbox_notify_wait(adapter);
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Get stats is a non embedded command: the request is not embedded inside
* WRB but is a separate dma memory block
* Uses asynchronous MCC
*/
int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_stats *req;
struct be_sge *sge;
int status = 0;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = nonemb_cmd->va;
sge = nonembedded_sgl(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
wrb->tag0 = OPCODE_ETH_GET_STATISTICS;
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
OPCODE_ETH_GET_STATISTICS, sizeof(*req));
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd->size);
be_mcc_notify(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses synchronous mcc */
int be_cmd_link_status_query(struct be_adapter *adapter,
bool *link_up, u8 *mac_speed, u16 *link_speed)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_link_status *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
*link_up = false;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
if (resp->mac_speed != PHY_LINK_SPEED_ZERO) {
*link_up = true;
*link_speed = le16_to_cpu(resp->link_speed);
*mac_speed = resp->mac_speed;
}
}
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses Mbox */
int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_fw_version *req;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* set the EQ delay interval of an EQ to specified value
* Uses async mcc
*/
int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_modify_eq_delay *req;
int status = 0;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
req->num_eq = cpu_to_le32(1);
req->delay[0].eq_id = cpu_to_le32(eq_id);
req->delay[0].phase = 0;
req->delay[0].delay_multiplier = cpu_to_le32(eqd);
be_mcc_notify(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses sycnhronous mcc */
int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
u32 num, bool untagged, bool promiscuous)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_vlan_config *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
req->interface_id = if_id;
req->promiscuous = promiscuous;
req->untagged = untagged;
req->num_vlan = num;
if (!promiscuous) {
memcpy(req->normal_vlan, vtag_array,
req->num_vlan * sizeof(vtag_array[0]));
}
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses MCC for this command as it may be called in BH context
* Uses synchronous mcc
*/
int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_promiscuous_config *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
OPCODE_ETH_PROMISCUOUS, sizeof(*req));
if (port_num)
req->port1_promiscuous = en;
else
req->port0_promiscuous = en;
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/*
* Uses MCC for this command as it may be called in BH context
* (mc == NULL) => multicast promiscous
*/
int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
struct dev_mc_list *mc_list, u32 mc_count,
struct be_dma_mem *mem)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_mcast_mac_config *req = mem->va;
struct be_sge *sge;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
sge = nonembedded_sgl(wrb);
memset(req, 0, sizeof(*req));
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(mem->size);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
req->interface_id = if_id;
if (mc_list) {
int i;
struct dev_mc_list *mc;
req->num_mac = cpu_to_le16(mc_count);
for (mc = mc_list, i = 0; mc; mc = mc->next, i++)
memcpy(req->mac[i].byte, mc->dmi_addr, ETH_ALEN);
} else {
req->promiscuous = 1;
}
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses synchrounous mcc */
int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_set_flow_control *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
req->tx_flow_control = cpu_to_le16((u16)tx_fc);
req->rx_flow_control = cpu_to_le16((u16)rx_fc);
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses sycn mcc */
int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_flow_control *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_flow_control *resp =
embedded_payload(wrb);
*tx_fc = le16_to_cpu(resp->tx_flow_control);
*rx_fc = le16_to_cpu(resp->rx_flow_control);
}
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses mbox */
int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num, u32 *cap)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_query_fw_cfg *req;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
*port_num = le32_to_cpu(resp->phys_port);
*cap = le32_to_cpu(resp->function_cap);
}
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Uses mbox */
int be_cmd_reset_function(struct be_adapter *adapter)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_hdr *req;
int status;
spin_lock(&adapter->mbox_lock);
wrb = wrb_from_mbox(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_FUNCTION_RESET, sizeof(*req));
status = be_mbox_notify_wait(adapter);
spin_unlock(&adapter->mbox_lock);
return status;
}
/* Uses sync mcc */
int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
u8 bcn, u8 sts, u8 state)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_enable_disable_beacon *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req));
req->port_num = port_num;
req->beacon_state = state;
req->beacon_duration = bcn;
req->status_duration = sts;
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses sync mcc */
int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_beacon_state *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req));
req->port_num = port_num;
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_beacon_state *resp =
embedded_payload(wrb);
*state = resp->beacon_state;
}
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
/* Uses sync mcc */
int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
u8 *connector)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_port_type *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(struct be_cmd_resp_port_type), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_READ_TRANSRECV_DATA, sizeof(*req));
req->port = cpu_to_le32(port);
req->page_num = cpu_to_le32(TR_PAGE_A0);
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_port_type *resp = embedded_payload(wrb);
*connector = resp->data.connector;
}
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
u32 flash_type, u32 flash_opcode, u32 buf_size)
{
struct be_mcc_wrb *wrb;
struct be_cmd_write_flashrom *req = cmd->va;
struct be_sge *sge;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = cmd->va;
sge = nonembedded_sgl(wrb);
be_wrb_hdr_prepare(wrb, cmd->size, false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_WRITE_FLASHROM, cmd->size);
sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(cmd->size);
req->params.op_type = cpu_to_le32(flash_type);
req->params.op_code = cpu_to_le32(flash_opcode);
req->params.data_buf_size = cpu_to_le32(buf_size);
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
{
struct be_mcc_wrb *wrb;
struct be_cmd_write_flashrom *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4);
req->params.op_type = cpu_to_le32(FLASHROM_TYPE_REDBOOT);
req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
req->params.offset = 0x3FFFC;
req->params.data_buf_size = 0x4;
status = be_mcc_notify_wait(adapter);
if (!status)
memcpy(flashed_crc, req->params.data_buf, 4);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
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