Commit a416cb25 authored by Shay Agroskin's avatar Shay Agroskin Committed by Jakub Kicinski
Browse files

net: ena: Recalculate TX state variables every device reset 



With the ability to modify LLQ entry size, the size of packet's
payload that can be written directly to the device changes.
This patch makes the driver recalculate this information every device
negotiation (also called device reset).

Reviewed-by: default avatarMichal Kubiak <michal.kubiak@intel.com>
Signed-off-by: default avatarShay Agroskin <shayagr@amazon.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 1e366688

drivers/net/ethernet/amazon/ena/ena_netdev.c

+9 −1
Original line number Diff line number Diff line
@@ -3750,8 +3750,9 @@ static int ena_restore_device(struct ena_adapter *adapter) 
	struct ena_com_dev_get_features_ctx get_feat_ctx;

	struct ena_com_dev *ena_dev = adapter->ena_dev;

	struct pci_dev *pdev = adapter->pdev;

	struct ena_ring *txr;

	int rc, count, i;

	bool wd_state;

	int rc;



	set_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags);

	rc = ena_device_init(adapter, adapter->pdev, &get_feat_ctx, &wd_state);
@@ -3761,6 +3762,13 @@ static int ena_restore_device(struct ena_adapter *adapter) 
	}

	adapter->wd_state = wd_state;



	count =  adapter->xdp_num_queues + adapter->num_io_queues;

	for (i = 0 ; i < count; i++) {

		txr = &adapter->tx_ring[i];

		txr->tx_mem_queue_type = ena_dev->tx_mem_queue_type;

		txr->tx_max_header_size = ena_dev->tx_max_header_size;

	}



	rc = ena_device_validate_params(adapter, &get_feat_ctx);

	if (rc) {

		dev_err(&pdev->dev, "Validation of device parameters failed\n");