diff options
| author | Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> | 2012-10-20 06:02:27 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-10-21 22:15:36 -0400 |
| commit | 67297ad8a61c88508ad86c6bda51c050cdc7f150 (patch) | |
| tree | bbd2c9203d999260f11e13444640381905f3dc1f /drivers | |
| parent | 704e4c88f0274e554439cc48b06ccc4fdfccc568 (diff) | |
| download | linux-stable-67297ad8a61c88508ad86c6bda51c050cdc7f150.tar.gz linux-stable-67297ad8a61c88508ad86c6bda51c050cdc7f150.tar.bz2 linux-stable-67297ad8a61c88508ad86c6bda51c050cdc7f150.zip | |
be2net: Wait till resources are available for VF in error recovery
After FW error, driver should wait for NO_RESOURCE error to disappear before
proceeding with recovery.
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.c | 31 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_hw.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 5 |
3 files changed, 37 insertions, 2 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 3980b5815d8d..9a12c4b99e26 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -452,10 +452,33 @@ int lancer_wait_ready(struct be_adapter *adapter) return status; } +static bool lancer_provisioning_error(struct be_adapter *adapter) +{ + u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; + sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); + if (sliport_status & SLIPORT_STATUS_ERR_MASK) { + sliport_err1 = ioread32(adapter->db + + SLIPORT_ERROR1_OFFSET); + sliport_err2 = ioread32(adapter->db + + SLIPORT_ERROR2_OFFSET); + + if (sliport_err1 == SLIPORT_ERROR_NO_RESOURCE1 && + sliport_err2 == SLIPORT_ERROR_NO_RESOURCE2) + return true; + } + return false; +} + int lancer_test_and_set_rdy_state(struct be_adapter *adapter) { int status; u32 sliport_status, err, reset_needed; + bool resource_error; + + resource_error = lancer_provisioning_error(adapter); + if (resource_error) + return -1; + status = lancer_wait_ready(adapter); if (!status) { sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); @@ -477,6 +500,14 @@ int lancer_test_and_set_rdy_state(struct be_adapter *adapter) status = -1; } } + /* Stop error recovery if error is not recoverable. + * No resource error is temporary errors and will go away + * when PF provisions resources. + */ + resource_error = lancer_provisioning_error(adapter); + if (status == -1 && !resource_error) + adapter->eeh_error = true; + return status; } diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h index b755f7061dce..4ccbc36874e9 100644 --- a/drivers/net/ethernet/emulex/benet/be_hw.h +++ b/drivers/net/ethernet/emulex/benet/be_hw.h @@ -59,6 +59,9 @@ #define PHYSDEV_CONTROL_FW_RESET_MASK 0x00000002 #define PHYSDEV_CONTROL_INP_MASK 0x40000000 +#define SLIPORT_ERROR_NO_RESOURCE1 0x2 +#define SLIPORT_ERROR_NO_RESOURCE2 0x9 + /********* Memory BAR register ************/ #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 41f935a2d05d..7a483fdd974b 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3837,8 +3837,9 @@ static int lancer_recover_func(struct be_adapter *adapter) "Adapter SLIPORT recovery succeeded\n"); return 0; err: - dev_err(&adapter->pdev->dev, - "Adapter SLIPORT recovery failed\n"); + if (adapter->eeh_error) + dev_err(&adapter->pdev->dev, + "Adapter SLIPORT recovery failed\n"); return status; } |