diff options
| author | Arthur Kiyanovski <akiyano@amazon.com> | 2018-10-17 15:33:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-17 22:30:41 -0700 |
| commit | 9fd255928d7ffb56d8466fab3331d0b2f40aa8c7 (patch) | |
| tree | 1a7faaab92257cba229b23f0142a7563d7916b0e /drivers | |
| parent | 8c590f9776386b8f697fd0b7ed6142ae6e3de79e (diff) | |
| download | lwn-9fd255928d7ffb56d8466fab3331d0b2f40aa8c7.tar.gz lwn-9fd255928d7ffb56d8466fab3331d0b2f40aa8c7.zip | |
net: ena: enable Low Latency Queues
Use the new API to enable usage of LLQ.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 284a0a612131..18956e7604a3 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -3022,20 +3022,10 @@ static int ena_calc_io_queue_num(struct pci_dev *pdev, int io_sq_num, io_queue_num; /* In case of LLQ use the llq number in the get feature cmd */ - if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) { - io_sq_num = get_feat_ctx->max_queues.max_legacy_llq_num; - - if (io_sq_num == 0) { - dev_err(&pdev->dev, - "Trying to use LLQ but llq_num is 0. Fall back into regular queues\n"); - - ena_dev->tx_mem_queue_type = - ENA_ADMIN_PLACEMENT_POLICY_HOST; - io_sq_num = get_feat_ctx->max_queues.max_sq_num; - } - } else { + if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) + io_sq_num = get_feat_ctx->llq.max_llq_num; + else io_sq_num = get_feat_ctx->max_queues.max_sq_num; - } io_queue_num = min_t(int, num_online_cpus(), ENA_MAX_NUM_IO_QUEUES); io_queue_num = min_t(int, io_queue_num, io_sq_num); @@ -3238,7 +3228,7 @@ static int ena_calc_queue_size(struct pci_dev *pdev, if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) queue_size = min_t(u32, queue_size, - get_feat_ctx->max_queues.max_legacy_llq_depth); + get_feat_ctx->llq.max_llq_depth); queue_size = rounddown_pow_of_two(queue_size); |