54 lines
1.9 KiB
Diff
54 lines
1.9 KiB
Diff
From: Arthur Kiyanovski <akiyano@amazon.com>
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Date: Wed, 17 Oct 2018 15:33:23 +0300
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Subject: [PATCH 15/19] net: ena: enable Low Latency Queues
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Origin: 9fd255928d7ffb56d8466fab3331d0b2f40aa8c7
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Use the new API to enable usage of LLQ.
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Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/amazon/ena/ena_netdev.c | 18 ++++--------------
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1 file changed, 4 insertions(+), 14 deletions(-)
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diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
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index 284a0a612131..18956e7604a3 100644
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--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
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+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
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@@ -3022,20 +3022,10 @@ static int ena_calc_io_queue_num(struct pci_dev *pdev,
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int io_sq_num, io_queue_num;
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/* In case of LLQ use the llq number in the get feature cmd */
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- if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
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- io_sq_num = get_feat_ctx->max_queues.max_legacy_llq_num;
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-
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- if (io_sq_num == 0) {
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- dev_err(&pdev->dev,
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- "Trying to use LLQ but llq_num is 0. Fall back into regular queues\n");
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-
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- ena_dev->tx_mem_queue_type =
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- ENA_ADMIN_PLACEMENT_POLICY_HOST;
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- io_sq_num = get_feat_ctx->max_queues.max_sq_num;
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- }
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- } else {
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+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
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+ io_sq_num = get_feat_ctx->llq.max_llq_num;
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+ else
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io_sq_num = get_feat_ctx->max_queues.max_sq_num;
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- }
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io_queue_num = min_t(int, num_online_cpus(), ENA_MAX_NUM_IO_QUEUES);
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io_queue_num = min_t(int, io_queue_num, io_sq_num);
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@@ -3238,7 +3228,7 @@ static int ena_calc_queue_size(struct pci_dev *pdev,
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if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
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queue_size = min_t(u32, queue_size,
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- get_feat_ctx->max_queues.max_legacy_llq_depth);
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+ get_feat_ctx->llq.max_llq_depth);
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queue_size = rounddown_pow_of_two(queue_size);
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--
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2.19.2
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