diff options
Diffstat (limited to 'drivers/net/sfc/efx.c')
| -rw-r--r-- | drivers/net/sfc/efx.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 97a6ebdcaf2b..4b5c786f0e2c 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -25,6 +25,8 @@ #include "mdio_10g.h" #include "nic.h" +#include "mcdi.h" + /************************************************************************** * * Type name strings @@ -84,6 +86,7 @@ const char *efx_reset_type_names[] = { [RESET_TYPE_RX_DESC_FETCH] = "RX_DESC_FETCH", [RESET_TYPE_TX_DESC_FETCH] = "TX_DESC_FETCH", [RESET_TYPE_TX_SKIP] = "TX_SKIP", + [RESET_TYPE_MC_FAILURE] = "MC_FAILURE", }; #define EFX_MAX_MTU (9 * 1024) @@ -1191,6 +1194,15 @@ static void efx_start_all(struct efx_nic *efx) efx_nic_enable_interrupts(efx); + /* Switch to event based MCDI completions after enabling interrupts. + * If a reset has been scheduled, then we need to stay in polled mode. + * Rather than serialising efx_mcdi_mode_event() [which sleeps] and + * reset_pending [modified from an atomic context], we instead guarantee + * that efx_mcdi_mode_poll() isn't reverted erroneously */ + efx_mcdi_mode_event(efx); + if (efx->reset_pending != RESET_TYPE_NONE) + efx_mcdi_mode_poll(efx); + /* Start the hardware monitor if there is one. Otherwise (we're link * event driven), we have to poll the PHY because after an event queue * flush, we could have a missed a link state change */ @@ -1242,6 +1254,9 @@ static void efx_stop_all(struct efx_nic *efx) efx->type->stop_stats(efx); + /* Switch to MCDI polling on Siena before disabling interrupts */ + efx_mcdi_mode_poll(efx); + /* Disable interrupts and wait for ISR to complete */ efx_nic_disable_interrupts(efx); if (efx->legacy_irq) @@ -1445,6 +1460,8 @@ static int efx_net_open(struct net_device *net_dev) return -EIO; if (efx->phy_mode & PHY_MODE_SPECIAL) return -EBUSY; + if (efx_mcdi_poll_reboot(efx) && efx_reset(efx, RESET_TYPE_ALL)) + return -EIO; /* Notify the kernel of the link state polled during driver load, * before the monitor starts running */ @@ -1895,6 +1912,7 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type) case RESET_TYPE_TX_SKIP: method = RESET_TYPE_INVISIBLE; break; + case RESET_TYPE_MC_FAILURE: default: method = RESET_TYPE_ALL; break; @@ -1908,6 +1926,10 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type) efx->reset_pending = method; + /* efx_process_channel() will no longer read events once a + * reset is scheduled. So switch back to poll'd MCDI completions. */ + efx_mcdi_mode_poll(efx); + queue_work(reset_workqueue, &efx->reset_work); } @@ -1923,6 +1945,10 @@ static struct pci_device_id efx_pci_table[] __devinitdata = { .driver_data = (unsigned long) &falcon_a1_nic_type}, {PCI_DEVICE(EFX_VENDID_SFC, FALCON_B_P_DEVID), .driver_data = (unsigned long) &falcon_b0_nic_type}, + {PCI_DEVICE(EFX_VENDID_SFC, BETHPAGE_A_P_DEVID), + .driver_data = (unsigned long) &siena_a0_nic_type}, + {PCI_DEVICE(EFX_VENDID_SFC, SIENA_A_P_DEVID), + .driver_data = (unsigned long) &siena_a0_nic_type}, {0} /* end of list */ }; |