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be2net: Issue fw_init/clean cmds to fw 

These cmds are issued to the fw in probe/resume and remove/suspend
paths to help fw execute some initialization and cleanup code.

This change needed the be_hw_up() code to be refactored as be_get_config().

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sathya Perla 2009-11-22 22:02:03 +00:00 committed by David S. Miller
parent 01ed30da5d
commit 2243e2e95e
3 changed files with 91 additions and 20 deletions
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51
drivers/net/benet/be_cmds.c
View File

@ -357,6 +357,57 @@ static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
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)
{

2
drivers/net/benet/be_cmds.h
View File

@ -851,3 +851,5 @@ extern int be_cmd_write_flashrom(struct be_adapter *adapter,
struct be_dma_mem *cmd, u32 flash_oper,
u32 flash_opcode, u32 buf_size);
extern int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc);
extern int be_cmd_fw_init(struct be_adapter *adapter);
extern int be_cmd_fw_clean(struct be_adapter *adapter);

58
drivers/net/benet/be_main.c
View File

@ -1682,6 +1682,8 @@ static int be_clear(struct be_adapter *adapter)
be_cmd_if_destroy(adapter, adapter->if_handle);
/* tell fw we're done with firing cmds */
be_cmd_fw_clean(adapter);
return 0;
}
@ -2117,17 +2119,10 @@ static void __devexit be_remove(struct pci_dev *pdev)
free_netdev(adapter->netdev);
}
static int be_hw_up(struct be_adapter *adapter)
static int be_get_config(struct be_adapter *adapter)
{
int status;
status = be_cmd_POST(adapter);
if (status)
return status;
status = be_cmd_reset_function(adapter);
if (status)
return status;
u8 mac[ETH_ALEN];
status = be_cmd_get_fw_ver(adapter, adapter->fw_ver);
if (status)
@ -2135,7 +2130,17 @@ static int be_hw_up(struct be_adapter *adapter)
status = be_cmd_query_fw_cfg(adapter,
&adapter->port_num, &adapter->cap);
return status;
if (status)
return status;
memset(mac, 0, ETH_ALEN);
status = be_cmd_mac_addr_query(adapter, mac,
MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0);
if (status)
return status;
memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
return 0;
}
static int __devinit be_probe(struct pci_dev *pdev,
@ -2144,7 +2149,6 @@ static int __devinit be_probe(struct pci_dev *pdev,
int status = 0;
struct be_adapter *adapter;
struct net_device *netdev;
u8 mac[ETH_ALEN];
status = pci_enable_device(pdev);
if (status)
@ -2164,6 +2168,8 @@ static int __devinit be_probe(struct pci_dev *pdev,
adapter->pdev = pdev;
pci_set_drvdata(pdev, adapter);
adapter->netdev = netdev;
be_netdev_init(netdev);
SET_NETDEV_DEV(netdev, &pdev->dev);
be_msix_enable(adapter);
@ -2182,27 +2188,34 @@ static int __devinit be_probe(struct pci_dev *pdev,
if (status)
goto free_netdev;
/* sync up with fw's ready state */
status = be_cmd_POST(adapter);
if (status)
goto ctrl_clean;
/* tell fw we're ready to fire cmds */
status = be_cmd_fw_init(adapter);
if (status)
goto ctrl_clean;
status = be_cmd_reset_function(adapter);
if (status)
goto ctrl_clean;
status = be_stats_init(adapter);
if (status)
goto ctrl_clean;
status = be_hw_up(adapter);
status = be_get_config(adapter);
if (status)
goto stats_clean;
status = be_cmd_mac_addr_query(adapter, mac, MAC_ADDRESS_TYPE_NETWORK,
true /* permanent */, 0);
if (status)
goto stats_clean;
memcpy(netdev->dev_addr, mac, ETH_ALEN);
INIT_DELAYED_WORK(&adapter->work, be_worker);
be_netdev_init(netdev);
SET_NETDEV_DEV(netdev, &adapter->pdev->dev);
status = be_setup(adapter);
if (status)
goto stats_clean;
status = register_netdev(netdev);
if (status != 0)
goto unsetup;
@ -2262,6 +2275,11 @@ static int be_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, 0);
pci_restore_state(pdev);
/* tell fw we're ready to fire cmds */
status = be_cmd_fw_init(adapter);
if (status)
return status;
be_setup(adapter);
if (netif_running(netdev)) {
rtnl_lock();