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qlge: Prepare to add new device.

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This organizes a few calls into a function table to enable adding new
devices.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Mercer 2009-02-26 10:08:35 +00:00 committed by David S. Miller
parent 125844eaff
commit b0c2aadfa4
2 changed files with 78 additions and 19 deletions
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17
drivers/net/qlge/qlge.h
View File

@ -28,7 +28,7 @@
} while (0)
#define QLGE_VENDOR_ID 0x1077
#define QLGE_DEVICE_ID 0x8012
#define QLGE_DEVICE_ID_8012 0x8012
#define MAX_CPUS 8
#define MAX_TX_RINGS MAX_CPUS
@ -798,7 +798,7 @@ struct mbox_params {
int out_count;
};
struct flash_params {
struct flash_params_8012 {
u8 dev_id_str[4];
__le16 size;
__le16 csum;
@ -808,6 +808,9 @@ struct flash_params {
__le16 res;
};
union flash_params {
struct flash_params_8012 flash_params_8012;
};
/*
* doorbell space for the rx ring context
@ -1367,6 +1370,12 @@ enum {
CFG_DEFAULT_MAX_FRAME_SIZE = 0x00002580,
};
struct nic_operations {
int (*get_flash) (struct ql_adapter *);
int (*port_initialize) (struct ql_adapter *);
};
/*
* The main Adapter structure definition.
* This structure has all fields relevant to the hardware.
@ -1444,7 +1453,7 @@ struct ql_adapter {
u32 port_init;
u32 link_status;
struct flash_params flash;
union flash_params flash;
struct net_device_stats stats;
struct workqueue_struct *q_workqueue;
@ -1452,6 +1461,8 @@ struct ql_adapter {
struct delayed_work asic_reset_work;
struct delayed_work mpi_reset_work;
struct delayed_work mpi_work;
struct nic_operations *nic_ops;
u16 device_id;
};
/*

72
drivers/net/qlge/qlge_main.c
View File

@ -75,7 +75,7 @@ module_param(irq_type, int, MSIX_IRQ);
MODULE_PARM_DESC(irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy.");
static struct pci_device_id qlge_pci_tbl[] __devinitdata = {
{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID)},
{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8012)},
/* required last entry */
{0,}
};
@ -623,6 +623,28 @@ static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev)
}
static int ql_validate_flash(struct ql_adapter *qdev, u32 size, const char *str)
{
int status, i;
u16 csum = 0;
__le16 *flash = (__le16 *)&qdev->flash;
status = strncmp((char *)&qdev->flash, str, 4);
if (status) {
QPRINTK(qdev, IFUP, ERR, "Invalid flash signature.\n");
return status;
}
for (i = 0; i < size; i++)
csum += le16_to_cpu(*flash++);
if (csum)
QPRINTK(qdev, IFUP, ERR,
"Invalid flash checksum, csum = 0x%.04x.\n", csum);
return csum;
}
static int ql_read_flash_word(struct ql_adapter *qdev, int offset, __le32 *data)
{
int status = 0;
@ -647,23 +669,24 @@ exit:
return status;
}
static int ql_get_flash_params(struct ql_adapter *qdev)
static int ql_get_8012_flash_params(struct ql_adapter *qdev)
{
int i;
int status;
__le32 *p = (__le32 *)&qdev->flash;
u32 offset = 0;
u32 size = sizeof(struct flash_params_8012) / sizeof(u32);
/* Second function's parameters follow the first
* function's.
*/
if (qdev->func)
offset = sizeof(qdev->flash) / sizeof(u32);
offset = size;
if (ql_sem_spinlock(qdev, SEM_FLASH_MASK))
return -ETIMEDOUT;
for (i = 0; i < sizeof(qdev->flash) / sizeof(u32); i++, p++) {
for (i = 0; i < size; i++, p++) {
status = ql_read_flash_word(qdev, i+offset, p);
if (status) {
QPRINTK(qdev, IFUP, ERR, "Error reading flash.\n");
@ -671,6 +694,25 @@ static int ql_get_flash_params(struct ql_adapter *qdev)
}
}
status = ql_validate_flash(qdev,
sizeof(struct flash_params_8012) / sizeof(u16),
"8012");
if (status) {
QPRINTK(qdev, IFUP, ERR, "Invalid flash.\n");
status = -EINVAL;
goto exit;
}
if (!is_valid_ether_addr(qdev->flash.flash_params_8012.mac_addr)) {
status = -EINVAL;
goto exit;
}
memcpy(qdev->ndev->dev_addr,
qdev->flash.flash_params_8012.mac_addr,
qdev->ndev->addr_len);
exit:
ql_sem_unlock(qdev, SEM_FLASH_MASK);
return status;
@ -747,7 +789,7 @@ exit:
* This functionality may be done in the MPI firmware at a
* later date.
*/
static int ql_port_initialize(struct ql_adapter *qdev)
static int ql_8012_port_initialize(struct ql_adapter *qdev)
{
int status = 0;
u32 data;
@ -2994,7 +3036,8 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
}
}
status = ql_port_initialize(qdev);
/* Initialize the port and set the max framesize. */
status = qdev->nic_ops->port_initialize(qdev);
if (status) {
QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n");
return status;
@ -3509,6 +3552,12 @@ static void ql_asic_reset_work(struct work_struct *work)
ql_cycle_adapter(qdev);
}
static struct nic_operations qla8012_nic_ops = {
.get_flash = ql_get_8012_flash_params,
.port_initialize = ql_8012_port_initialize,
};
static void ql_get_board_info(struct ql_adapter *qdev)
{
qdev->func =
@ -3527,6 +3576,9 @@ static void ql_get_board_info(struct ql_adapter *qdev)
qdev->mailbox_out = PROC_ADDR_MPI_RISC | PROC_ADDR_FUNC0_MBO;
}
qdev->chip_rev_id = ql_read32(qdev, REV_ID);
qdev->device_id = qdev->pdev->device;
if (qdev->device_id == QLGE_DEVICE_ID_8012)
qdev->nic_ops = &qla8012_nic_ops;
}
static void ql_release_all(struct pci_dev *pdev)
@ -3619,24 +3671,20 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
goto err_out;
}
ql_get_board_info(qdev);
qdev->ndev = ndev;
qdev->pdev = pdev;
ql_get_board_info(qdev);
qdev->msg_enable = netif_msg_init(debug, default_msg);
spin_lock_init(&qdev->hw_lock);
spin_lock_init(&qdev->stats_lock);
/* make sure the EEPROM is good */
err = ql_get_flash_params(qdev);
err = qdev->nic_ops->get_flash(qdev);
if (err) {
dev_err(&pdev->dev, "Invalid FLASH.\n");
goto err_out;
}
if (!is_valid_ether_addr(qdev->flash.mac_addr))
goto err_out;
memcpy(ndev->dev_addr, qdev->flash.mac_addr, ndev->addr_len);
memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
/* Set up the default ring sizes. */