cxgb3 - fix EEH
Reset the chip when the PCI link goes down.
Preserve the napi structure when a sge qset's resources are freed.
Replay only HW initialization when the chip comes out of reset.
Signed-off-by: Divy Le ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index d67fc10..3a31272 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2430,9 +2430,6 @@
test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
offload_close(&adapter->tdev);
- /* Free sge resources */
- t3_free_sge_resources(adapter);
-
adapter->flags &= ~FULL_INIT_DONE;
pci_disable_device(pdev);
@@ -2457,8 +2454,12 @@
goto err;
}
pci_set_master(pdev);
+ pci_restore_state(pdev);
- if (t3_prep_adapter(adapter, adapter->params.info, 1))
+ /* Free sge resources */
+ t3_free_sge_resources(adapter);
+
+ if (t3_replay_prep_adapter(adapter))
goto err;
return PCI_ERS_RESULT_RECOVERED;
@@ -2610,6 +2611,7 @@
}
pci_set_master(pdev);
+ pci_save_state(pdev);
mmio_start = pci_resource_start(pdev, 0);
mmio_len = pci_resource_len(pdev, 0);