diff options
Diffstat (limited to 'debian/patches/features/all/ena/0015-net-ena-enable-Low-Latency-Queues.patch')
| -rw-r--r-- | debian/patches/features/all/ena/0015-net-ena-enable-Low-Latency-Queues.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/debian/patches/features/all/ena/0015-net-ena-enable-Low-Latency-Queues.patch b/debian/patches/features/all/ena/0015-net-ena-enable-Low-Latency-Queues.patch new file mode 100644 index 000000000..6161a87ba --- /dev/null +++ b/debian/patches/features/all/ena/0015-net-ena-enable-Low-Latency-Queues.patch @@ -0,0 +1,50 @@ +From: Arthur Kiyanovski <akiyano@amazon.com> +Date: Wed, 17 Oct 2018 15:33:23 +0300 +Subject: [PATCH 15/19] net: ena: enable Low Latency Queues +Origin: https://git.kernel.org/linus/9fd255928d7ffb56d8466fab3331d0b2f40aa8c7 + +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> +--- + drivers/net/ethernet/amazon/ena/ena_netdev.c | 18 ++++-------------- + 1 file changed, 4 insertions(+), 14 deletions(-) + +Index: linux/drivers/net/ethernet/amazon/ena/ena_netdev.c +=================================================================== +--- linux.orig/drivers/net/ethernet/amazon/ena/ena_netdev.c ++++ linux/drivers/net/ethernet/amazon/ena/ena_netdev.c +@@ -3022,20 +3022,10 @@ static int ena_calc_io_queue_num(struct + 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 pc + + 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); + |