linux/drivers/net/qlcnic/qlcnic_ctx.c

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/*
* Copyright (C) 2009 - QLogic Corporation.
* 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
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
* The full GNU General Public License is included in this distribution
* in the file called "COPYING".
*
*/
#include "qlcnic.h"
static u32
qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
{
u32 rsp;
int timeout = 0;
do {
/* give atleast 1ms for firmware to respond */
msleep(1);
if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
return QLCNIC_CDRP_RSP_TIMEOUT;
rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
} while (!QLCNIC_CDRP_IS_RSP(rsp));
return rsp;
}
u32
qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
{
u32 rsp;
u32 signature;
u32 rcode = QLCNIC_RCODE_SUCCESS;
struct pci_dev *pdev = adapter->pdev;
signature = QLCNIC_CDRP_SIGNATURE_MAKE(pci_fn, version);
/* Acquire semaphore before accessing CRB */
if (qlcnic_api_lock(adapter))
return QLCNIC_RCODE_TIMEOUT;
QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, arg1);
QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, arg2);
QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, arg3);
QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, QLCNIC_CDRP_FORM_CMD(cmd));
rsp = qlcnic_poll_rsp(adapter);
if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
dev_err(&pdev->dev, "card response timeout.\n");
rcode = QLCNIC_RCODE_TIMEOUT;
} else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
rcode = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
dev_err(&pdev->dev, "failed card response code:0x%x\n",
rcode);
}
/* Release semaphore */
qlcnic_api_unlock(adapter);
return rcode;
}
int
qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
{
struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
if (qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
recv_ctx->context_id,
mtu,
0,
QLCNIC_CDRP_CMD_SET_MTU)) {
dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
return -EIO;
}
}
return 0;
}
static int
qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
{
void *addr;
struct qlcnic_hostrq_rx_ctx *prq;
struct qlcnic_cardrsp_rx_ctx *prsp;
struct qlcnic_hostrq_rds_ring *prq_rds;
struct qlcnic_hostrq_sds_ring *prq_sds;
struct qlcnic_cardrsp_rds_ring *prsp_rds;
struct qlcnic_cardrsp_sds_ring *prsp_sds;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
u64 phys_addr;
int i, nrds_rings, nsds_rings;
size_t rq_size, rsp_size;
u32 cap, reg, val, reg2;
int err;
struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
nrds_rings = adapter->max_rds_rings;
nsds_rings = adapter->max_sds_rings;
rq_size =
SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
nsds_rings);
rsp_size =
SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
nsds_rings);
addr = pci_alloc_consistent(adapter->pdev,
rq_size, &hostrq_phys_addr);
if (addr == NULL)
return -ENOMEM;
prq = (struct qlcnic_hostrq_rx_ctx *)addr;
addr = pci_alloc_consistent(adapter->pdev,
rsp_size, &cardrsp_phys_addr);
if (addr == NULL) {
err = -ENOMEM;
goto out_free_rq;
}
prsp = (struct qlcnic_cardrsp_rx_ctx *)addr;
prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
| QLCNIC_CAP0_VALIDOFF);
cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
prq->valid_field_offset = offsetof(struct qlcnic_hostrq_rx_ctx,
msix_handler);
prq->txrx_sds_binding = nsds_rings - 1;
prq->capabilities[0] = cpu_to_le32(cap);
prq->host_int_crb_mode =
cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
prq->host_rds_crb_mode =
cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
prq->num_rds_rings = cpu_to_le16(nrds_rings);
prq->num_sds_rings = cpu_to_le16(nsds_rings);
prq->rds_ring_offset = cpu_to_le32(0);
val = le32_to_cpu(prq->rds_ring_offset) +
(sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
prq->sds_ring_offset = cpu_to_le32(val);
prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
le32_to_cpu(prq->rds_ring_offset));
for (i = 0; i < nrds_rings; i++) {
rds_ring = &recv_ctx->rds_rings[i];
rds_ring->producer = 0;
prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
prq_rds[i].ring_kind = cpu_to_le32(i);
prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
}
prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
le32_to_cpu(prq->sds_ring_offset));
for (i = 0; i < nsds_rings; i++) {
sds_ring = &recv_ctx->sds_rings[i];
sds_ring->consumer = 0;
memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
prq_sds[i].msi_index = cpu_to_le16(i);
}
phys_addr = hostrq_phys_addr;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
(u32)(phys_addr >> 32),
(u32)(phys_addr & 0xffffffff),
rq_size,
QLCNIC_CDRP_CMD_CREATE_RX_CTX);
if (err) {
dev_err(&adapter->pdev->dev,
"Failed to create rx ctx in firmware%d\n", err);
goto out_free_rsp;
}
prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
&prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
rds_ring = &recv_ctx->rds_rings[i];
reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
if (adapter->fw_hal_version == QLCNIC_FW_BASE)
rds_ring->crb_rcv_producer = qlcnic_get_ioaddr(adapter,
QLCNIC_REG(reg - 0x200));
else
rds_ring->crb_rcv_producer = adapter->ahw.pci_base0 +
reg;
}
prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
&prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
sds_ring = &recv_ctx->sds_rings[i];
reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
if (adapter->fw_hal_version == QLCNIC_FW_BASE) {
sds_ring->crb_sts_consumer = qlcnic_get_ioaddr(adapter,
QLCNIC_REG(reg - 0x200));
sds_ring->crb_intr_mask = qlcnic_get_ioaddr(adapter,
QLCNIC_REG(reg2 - 0x200));
} else {
sds_ring->crb_sts_consumer = adapter->ahw.pci_base0 +
reg;
sds_ring->crb_intr_mask = adapter->ahw.pci_base0 + reg2;
}
}
recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
recv_ctx->context_id = le16_to_cpu(prsp->context_id);
recv_ctx->virt_port = prsp->virt_port;
out_free_rsp:
pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
out_free_rq:
pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
return err;
}
static void
qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
{
struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
if (qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
recv_ctx->context_id,
QLCNIC_DESTROY_CTX_RESET,
0,
QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
dev_err(&adapter->pdev->dev,
"Failed to destroy rx ctx in firmware\n");
}
}
static int
qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
{
struct qlcnic_hostrq_tx_ctx *prq;
struct qlcnic_hostrq_cds_ring *prq_cds;
struct qlcnic_cardrsp_tx_ctx *prsp;
void *rq_addr, *rsp_addr;
size_t rq_size, rsp_size;
u32 temp;
int err;
u64 phys_addr;
dma_addr_t rq_phys_addr, rsp_phys_addr;
struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
/* reset host resources */
tx_ring->producer = 0;
tx_ring->sw_consumer = 0;
*(tx_ring->hw_consumer) = 0;
rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
rq_addr = pci_alloc_consistent(adapter->pdev,
rq_size, &rq_phys_addr);
if (!rq_addr)
return -ENOMEM;
rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
rsp_addr = pci_alloc_consistent(adapter->pdev,
rsp_size, &rsp_phys_addr);
if (!rsp_addr) {
err = -ENOMEM;
goto out_free_rq;
}
memset(rq_addr, 0, rq_size);
prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
memset(rsp_addr, 0, rsp_size);
prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
QLCNIC_CAP0_LSO);
prq->capabilities[0] = cpu_to_le32(temp);
prq->host_int_crb_mode =
cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
prq->interrupt_ctl = 0;
prq->msi_index = 0;
prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
prq_cds = &prq->cds_ring;
prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
phys_addr = rq_phys_addr;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
(u32)(phys_addr >> 32),
((u32)phys_addr & 0xffffffff),
rq_size,
QLCNIC_CDRP_CMD_CREATE_TX_CTX);
if (err == QLCNIC_RCODE_SUCCESS) {
temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
if (adapter->fw_hal_version == QLCNIC_FW_BASE)
tx_ring->crb_cmd_producer = qlcnic_get_ioaddr(adapter,
QLCNIC_REG(temp - 0x200));
else
tx_ring->crb_cmd_producer = adapter->ahw.pci_base0 +
temp;
adapter->tx_context_id =
le16_to_cpu(prsp->context_id);
} else {
dev_err(&adapter->pdev->dev,
"Failed to create tx ctx in firmware%d\n", err);
err = -EIO;
}
pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
out_free_rq:
pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
return err;
}
static void
qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
{
if (qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
adapter->tx_context_id,
QLCNIC_DESTROY_CTX_RESET,
0,
QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
dev_err(&adapter->pdev->dev,
"Failed to destroy tx ctx in firmware\n");
}
}
int
qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val)
{
if (qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
reg,
0,
0,
QLCNIC_CDRP_CMD_READ_PHY)) {
return -EIO;
}
return QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
}
int
qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val)
{
return qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
reg,
val,
0,
QLCNIC_CDRP_CMD_WRITE_PHY);
}
int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
{
void *addr;
int err;
int ring;
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
struct pci_dev *pdev = adapter->pdev;
recv_ctx = &adapter->recv_ctx;
tx_ring = adapter->tx_ring;
tx_ring->hw_consumer = (__le32 *)pci_alloc_consistent(pdev, sizeof(u32),
&tx_ring->hw_cons_phys_addr);
if (tx_ring->hw_consumer == NULL) {
dev_err(&pdev->dev, "failed to allocate tx consumer\n");
return -ENOMEM;
}
*(tx_ring->hw_consumer) = 0;
/* cmd desc ring */
addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
&tx_ring->phys_addr);
if (addr == NULL) {
dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
err = -ENOMEM;
goto err_out_free;
}
tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
addr = pci_alloc_consistent(adapter->pdev,
RCV_DESC_RINGSIZE(rds_ring),
&rds_ring->phys_addr);
if (addr == NULL) {
dev_err(&pdev->dev,
"failed to allocate rds ring [%d]\n", ring);
err = -ENOMEM;
goto err_out_free;
}
rds_ring->desc_head = (struct rcv_desc *)addr;
}
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
addr = pci_alloc_consistent(adapter->pdev,
STATUS_DESC_RINGSIZE(sds_ring),
&sds_ring->phys_addr);
if (addr == NULL) {
dev_err(&pdev->dev,
"failed to allocate sds ring [%d]\n", ring);
err = -ENOMEM;
goto err_out_free;
}
sds_ring->desc_head = (struct status_desc *)addr;
}
return 0;
err_out_free:
qlcnic_free_hw_resources(adapter);
return err;
}
int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
{
int err;
err = qlcnic_fw_cmd_create_rx_ctx(adapter);
if (err)
return err;
err = qlcnic_fw_cmd_create_tx_ctx(adapter);
if (err) {
qlcnic_fw_cmd_destroy_rx_ctx(adapter);
return err;
}
set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
return 0;
}
void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
{
if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
qlcnic_fw_cmd_destroy_rx_ctx(adapter);
qlcnic_fw_cmd_destroy_tx_ctx(adapter);
/* Allow dma queues to drain after context reset */
msleep(20);
}
}
void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
{
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
int ring;
recv_ctx = &adapter->recv_ctx;
tx_ring = adapter->tx_ring;
if (tx_ring->hw_consumer != NULL) {
pci_free_consistent(adapter->pdev,
sizeof(u32),
tx_ring->hw_consumer,
tx_ring->hw_cons_phys_addr);
tx_ring->hw_consumer = NULL;
}
if (tx_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
TX_DESC_RINGSIZE(tx_ring),
tx_ring->desc_head, tx_ring->phys_addr);
tx_ring->desc_head = NULL;
}
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
if (rds_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
RCV_DESC_RINGSIZE(rds_ring),
rds_ring->desc_head,
rds_ring->phys_addr);
rds_ring->desc_head = NULL;
}
}
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
if (sds_ring->desc_head != NULL) {
pci_free_consistent(adapter->pdev,
STATUS_DESC_RINGSIZE(sds_ring),
sds_ring->desc_head,
sds_ring->phys_addr);
sds_ring->desc_head = NULL;
}
}
}
/* Set MAC address of a NIC partition */
int qlcnic_set_mac_address(struct qlcnic_adapter *adapter, u8* mac)
{
int err = 0;
u32 arg1, arg2, arg3;
arg1 = adapter->ahw.pci_func | BIT_9;
arg2 = mac[0] | (mac[1] << 8) | (mac[2] << 16) | (mac[3] << 24);
arg3 = mac[4] | (mac[5] << 16);
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
arg1,
arg2,
arg3,
QLCNIC_CDRP_CMD_MAC_ADDRESS);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to set mac address%d\n", err);
err = -EIO;
}
return err;
}
/* Get MAC address of a NIC partition */
int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
{
int err;
u32 arg1;
arg1 = adapter->ahw.pci_func | BIT_8;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
arg1,
0,
0,
QLCNIC_CDRP_CMD_MAC_ADDRESS);
if (err == QLCNIC_RCODE_SUCCESS)
qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
QLCNIC_ARG2_CRB_OFFSET, 0, mac);
else {
dev_err(&adapter->pdev->dev,
"Failed to get mac address%d\n", err);
err = -EIO;
}
return err;
}
/* Get info of a NIC partition */
int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, u8 func_id)
{
int err;
dma_addr_t nic_dma_t;
struct qlcnic_info *nic_info;
void *nic_info_addr;
size_t nic_size = sizeof(struct qlcnic_info);
nic_info_addr = pci_alloc_consistent(adapter->pdev,
nic_size, &nic_dma_t);
if (!nic_info_addr)
return -ENOMEM;
memset(nic_info_addr, 0, nic_size);
nic_info = (struct qlcnic_info *) nic_info_addr;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
MSD(nic_dma_t),
LSD(nic_dma_t),
(func_id << 16 | nic_size),
QLCNIC_CDRP_CMD_GET_NIC_INFO);
if (err == QLCNIC_RCODE_SUCCESS) {
adapter->physical_port = le16_to_cpu(nic_info->phys_port);
adapter->switch_mode = le16_to_cpu(nic_info->switch_mode);
adapter->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
adapter->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
adapter->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
adapter->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
adapter->max_mtu = le16_to_cpu(nic_info->max_mtu);
adapter->capabilities = le32_to_cpu(nic_info->capabilities);
adapter->max_mac_filters = nic_info->max_mac_filters;
if (adapter->capabilities & BIT_6)
adapter->flags |= QLCNIC_ESWITCH_ENABLED;
else
adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
dev_info(&adapter->pdev->dev,
"phy port: %d switch_mode: %d,\n"
"\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
"\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
adapter->physical_port, adapter->switch_mode,
adapter->max_tx_ques, adapter->max_rx_ques,
adapter->min_tx_bw, adapter->max_tx_bw,
adapter->max_mtu, adapter->capabilities);
} else {
dev_err(&adapter->pdev->dev,
"Failed to get nic info%d\n", err);
err = -EIO;
}
pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
return err;
}
/* Configure a NIC partition */
int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
{
int err = -EIO;
u32 func_state;
dma_addr_t nic_dma_t;
void *nic_info_addr;
struct qlcnic_info *nic_info;
size_t nic_size = sizeof(struct qlcnic_info);
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
if (qlcnic_api_lock(adapter))
return err;
func_state = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
if (QLC_DEV_CHECK_ACTIVE(func_state, nic->pci_func)) {
qlcnic_api_unlock(adapter);
return err;
}
qlcnic_api_unlock(adapter);
nic_info_addr = pci_alloc_consistent(adapter->pdev, nic_size,
&nic_dma_t);
if (!nic_info_addr)
return -ENOMEM;
memset(nic_info_addr, 0, nic_size);
nic_info = (struct qlcnic_info *)nic_info_addr;
nic_info->pci_func = cpu_to_le16(nic->pci_func);
nic_info->op_mode = cpu_to_le16(nic->op_mode);
nic_info->phys_port = cpu_to_le16(nic->phys_port);
nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
nic_info->capabilities = cpu_to_le32(nic->capabilities);
nic_info->max_mac_filters = nic->max_mac_filters;
nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
MSD(nic_dma_t),
LSD(nic_dma_t),
nic_size,
QLCNIC_CDRP_CMD_SET_NIC_INFO);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to set nic info%d\n", err);
err = -EIO;
}
pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
return err;
}
/* Get PCI Info of a partition */
int qlcnic_get_pci_info(struct qlcnic_adapter *adapter)
{
int err = 0, i;
dma_addr_t pci_info_dma_t;
struct qlcnic_pci_info *npar;
void *pci_info_addr;
size_t npar_size = sizeof(struct qlcnic_pci_info);
size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
pci_info_addr = pci_alloc_consistent(adapter->pdev, pci_size,
&pci_info_dma_t);
if (!pci_info_addr)
return -ENOMEM;
memset(pci_info_addr, 0, pci_size);
if (!adapter->npars)
adapter->npars = kzalloc(pci_size, GFP_KERNEL);
if (!adapter->npars) {
err = -ENOMEM;
goto err_npar;
}
if (!adapter->eswitch)
adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
if (!adapter->eswitch) {
err = -ENOMEM;
goto err_eswitch;
}
npar = (struct qlcnic_pci_info *) pci_info_addr;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
MSD(pci_info_dma_t),
LSD(pci_info_dma_t),
pci_size,
QLCNIC_CDRP_CMD_GET_PCI_INFO);
if (err == QLCNIC_RCODE_SUCCESS) {
for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++) {
adapter->npars[i].id = le32_to_cpu(npar->id);
adapter->npars[i].active = le32_to_cpu(npar->active);
adapter->npars[i].type = le32_to_cpu(npar->type);
adapter->npars[i].default_port =
le32_to_cpu(npar->default_port);
adapter->npars[i].tx_min_bw =
le32_to_cpu(npar->tx_min_bw);
adapter->npars[i].tx_max_bw =
le32_to_cpu(npar->tx_max_bw);
memcpy(adapter->npars[i].mac, npar->mac, ETH_ALEN);
}
} else {
dev_err(&adapter->pdev->dev,
"Failed to get PCI Info%d\n", err);
kfree(adapter->npars);
err = -EIO;
}
goto err_npar;
err_eswitch:
kfree(adapter->npars);
adapter->npars = NULL;
err_npar:
pci_free_consistent(adapter->pdev, pci_size, pci_info_addr,
pci_info_dma_t);
return err;
}
/* Reset a NIC partition */
int qlcnic_reset_partition(struct qlcnic_adapter *adapter, u8 func_no)
{
int err = -EIO;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
func_no,
0,
0,
QLCNIC_CDRP_CMD_RESET_NPAR);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to issue reset partition%d\n", err);
err = -EIO;
}
return err;
}
/* Get eSwitch Capabilities */
int qlcnic_get_eswitch_capabilities(struct qlcnic_adapter *adapter, u8 port,
struct qlcnic_eswitch *eswitch)
{
int err = -EIO;
u32 arg1, arg2;
if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
return err;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
port,
0,
0,
QLCNIC_CDRP_CMD_GET_ESWITCH_CAPABILITY);
if (err == QLCNIC_RCODE_SUCCESS) {
arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
eswitch->port = arg1 & 0xf;
eswitch->active_vports = LSB(arg2);
eswitch->max_ucast_filters = MSB(arg2);
eswitch->max_active_vlans = LSB(MSW(arg2));
if (arg1 & BIT_6)
eswitch->flags |= QLCNIC_SWITCH_VLAN_FILTERING;
if (arg1 & BIT_7)
eswitch->flags |= QLCNIC_SWITCH_PROMISC_MODE;
if (arg1 & BIT_8)
eswitch->flags |= QLCNIC_SWITCH_PORT_MIRRORING;
} else {
dev_err(&adapter->pdev->dev,
"Failed to get eswitch capabilities%d\n", err);
}
return err;
}
/* Get current status of eswitch */
int qlcnic_get_eswitch_status(struct qlcnic_adapter *adapter, u8 port,
struct qlcnic_eswitch *eswitch)
{
int err = -EIO;
u32 arg1, arg2;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
port,
0,
0,
QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS);
if (err == QLCNIC_RCODE_SUCCESS) {
arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
eswitch->port = arg1 & 0xf;
eswitch->active_vports = LSB(arg2);
eswitch->active_ucast_filters = MSB(arg2);
eswitch->active_vlans = LSB(MSW(arg2));
if (arg1 & BIT_6)
eswitch->flags |= QLCNIC_SWITCH_VLAN_FILTERING;
if (arg1 & BIT_8)
eswitch->flags |= QLCNIC_SWITCH_PORT_MIRRORING;
} else {
dev_err(&adapter->pdev->dev,
"Failed to get eswitch status%d\n", err);
}
return err;
}
/* Enable/Disable eSwitch */
int qlcnic_toggle_eswitch(struct qlcnic_adapter *adapter, u8 id, u8 enable)
{
int err = -EIO;
u32 arg1, arg2;
struct qlcnic_eswitch *eswitch;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
eswitch = &adapter->eswitch[id];
if (!eswitch)
return err;
arg1 = eswitch->port | (enable ? BIT_4 : 0);
arg2 = eswitch->active_vports | (eswitch->max_ucast_filters << 8) |
(eswitch->max_active_vlans << 16);
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
arg1,
arg2,
0,
QLCNIC_CDRP_CMD_TOGGLE_ESWITCH);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to enable eswitch%d\n", eswitch->port);
eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
err = -EIO;
} else {
eswitch->flags |= QLCNIC_SWITCH_ENABLE;
dev_info(&adapter->pdev->dev,
"Enabled eSwitch for port %d\n", eswitch->port);
}
return err;
}
/* Configure eSwitch for port mirroring */
int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
u8 enable_mirroring, u8 pci_func)
{
int err = -EIO;
u32 arg1;
if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
!(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
return err;
arg1 = id | (enable_mirroring ? BIT_4 : 0);
arg1 |= pci_func << 8;
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
arg1,
0,
0,
QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to configure port mirroring%d on eswitch:%d\n",
pci_func, id);
} else {
dev_info(&adapter->pdev->dev,
"Configured eSwitch %d for port mirroring:%d\n",
id, pci_func);
}
return err;
}
/* Configure eSwitch port */
int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, u8 id,
int vlan_tagging, u8 discard_tagged, u8 promsc_mode,
u8 mac_learn, u8 pci_func, u16 vlan_id)
{
int err = -EIO;
u32 arg1;
struct qlcnic_eswitch *eswitch;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
eswitch = &adapter->eswitch[id];
if (!(eswitch->flags & QLCNIC_SWITCH_ENABLE))
return err;
arg1 = eswitch->port | (discard_tagged ? BIT_4 : 0);
arg1 |= (promsc_mode ? BIT_6 : 0) | (mac_learn ? BIT_7 : 0);
arg1 |= pci_func << 8;
if (vlan_tagging)
arg1 |= BIT_5 | (vlan_id << 16);
err = qlcnic_issue_cmd(adapter,
adapter->ahw.pci_func,
adapter->fw_hal_version,
arg1,
0,
0,
QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to configure eswitch port%d\n", eswitch->port);
eswitch->flags |= QLCNIC_SWITCH_ENABLE;
} else {
eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
dev_info(&adapter->pdev->dev,
"Configured eSwitch for port %d\n", eswitch->port);
}
return err;
}