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net: ena: Recalculate TX state variables every device reset

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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: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Shay Agroskin 2023-03-23 18:36:08 +02:00 • committed by Jakub Kicinski
parent 1e36668886
commit a416cb254d
1 changed files with 9 additions and 1 deletions
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10
drivers/net/ethernet/amazon/ena/ena_netdev.c
View file

@ -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");