[PATCH net-next 12/15] net/mlx5e: Add queue config ops for page size
From: Tariq Toukan <tariqt@nvidia.com>
Date: 2026-02-23 20:45:25
Also in:
bpf, linux-rdma, lkml
Subsystem:
mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Dragos Tatulea <dtatulea@nvidia.com> For now allow only PAGE_SIZE. A subsequent patch will add support for high order pages in zero-copy mode. Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> --- .../net/ethernet/mellanox/mlx5/core/en_main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index cf977273f753..336e384c143a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c@@ -5572,6 +5572,22 @@ struct mlx5_qmgmt_data { struct mlx5e_channel *c; }; +static void mlx5e_queue_default_qcfg(struct net_device *dev, + struct netdev_queue_config *qcfg) +{ + qcfg->rx_page_size = PAGE_SIZE; +} + +static int mlx5e_queue_validate_qcfg(struct net_device *dev, + struct netdev_queue_config *qcfg, + struct netlink_ext_ack *extack) +{ + if (qcfg->rx_page_size != PAGE_SIZE) + return -EINVAL; + + return 0; +} + static int mlx5e_queue_mem_alloc(struct net_device *dev, struct netdev_queue_config *qcfg, void *newq, int queue_index)
@@ -5682,6 +5698,9 @@ static const struct netdev_queue_mgmt_ops mlx5e_queue_mgmt_ops = { .ndo_queue_start = mlx5e_queue_start, .ndo_queue_stop = mlx5e_queue_stop, .ndo_queue_get_dma_dev = mlx5e_queue_get_dma_dev, + .ndo_default_qcfg = mlx5e_queue_default_qcfg, + .ndo_validate_qcfg = mlx5e_queue_validate_qcfg, + .supported_params = QCFG_RX_PAGE_SIZE, }; static void mlx5e_build_nic_netdev(struct net_device *netdev)
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2.44.0