[net-next 03/16] net/mlx5e: Remove unused fields from datapath structs
From: Saeed Mahameed <saeed@kernel.org>
Date: 2022-09-27 20:37:04
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: Maxim Mikityanskiy <redacted> No need to keep max_sq_wqebbs in mlx5e_txqsq and mlx5e_xdpsq, as it's only used when allocating the queues. Removing an extra field reduces the struct size. Signed-off-by: Maxim Mikityanskiy <redacted> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 2 -- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 10 +++++----- 2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 05126c6ae13d..881e406d8757 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h@@ -478,7 +478,6 @@ struct mlx5e_txqsq { struct work_struct recover_work; struct mlx5e_ptpsq *ptpsq; cqe_ts_to_ns ptp_cyc2time; - u16 max_sq_wqebbs; } ____cacheline_aligned_in_smp; struct mlx5e_dma_info {
@@ -582,7 +581,6 @@ struct mlx5e_xdpsq { /* control path */ struct mlx5_wq_ctrl wq_ctrl; struct mlx5e_channel *channel; - u16 max_sq_wqebbs; } ____cacheline_aligned_in_smp; struct mlx5e_ktls_resync_resp;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 4503de92ac80..47d0bd6ab98e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c@@ -1155,9 +1155,9 @@ static int mlx5e_alloc_xdpsq(struct mlx5e_channel *c, is_redirect ? &c->priv->channel_stats[c->ix]->xdpsq : &c->priv->channel_stats[c->ix]->rq_xdpsq; - sq->max_sq_wqebbs = mlx5e_get_max_sq_wqebbs(mdev); - sq->stop_room = MLX5E_STOP_ROOM(sq->max_sq_wqebbs); - sq->max_sq_mpw_wqebbs = mlx5e_get_sw_max_sq_mpw_wqebbs(sq->max_sq_wqebbs); + sq->stop_room = MLX5E_STOP_ROOM(mlx5e_get_max_sq_wqebbs(mdev)); + sq->max_sq_mpw_wqebbs = + mlx5e_get_sw_max_sq_mpw_wqebbs(mlx5e_get_max_sq_wqebbs(mdev)); param->wq.db_numa_node = cpu_to_node(c->cpu); err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, wq, &sq->wq_ctrl);
@@ -1318,8 +1318,8 @@ static int mlx5e_alloc_txqsq(struct mlx5e_channel *c, sq->uar_map = mdev->mlx5e_res.hw_objs.bfreg.map; sq->min_inline_mode = params->tx_min_inline_mode; sq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu); - sq->max_sq_wqebbs = mlx5e_get_max_sq_wqebbs(mdev); - sq->max_sq_mpw_wqebbs = mlx5e_get_sw_max_sq_mpw_wqebbs(sq->max_sq_wqebbs); + sq->max_sq_mpw_wqebbs = + mlx5e_get_sw_max_sq_mpw_wqebbs(mlx5e_get_max_sq_wqebbs(mdev)); INIT_WORK(&sq->recover_work, mlx5e_tx_err_cqe_work); if (!MLX5_CAP_ETH(mdev, wqe_vlan_insert)) set_bit(MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE, &sq->state);
--
2.37.3