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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c11
-rw-r--r--include/linux/mlx5/device.h1
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index b1ea0b995d9c..8d71736116e0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -727,6 +727,17 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
};
}
+ /* Pad if needed, in case the value set to ucseg->xlt_octowords
+ * in mlx5e_build_umr_wqe() needed alignment.
+ */
+ if (rq->mpwqe.pages_per_wqe & (MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT - 1)) {
+ int pad = ALIGN(rq->mpwqe.pages_per_wqe, MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT) -
+ rq->mpwqe.pages_per_wqe;
+
+ memset(&umr_wqe->inline_mtts[rq->mpwqe.pages_per_wqe], 0,
+ sizeof(*umr_wqe->inline_mtts) * pad);
+ }
+
bitmap_zero(wi->xdp_xmit_bitmap, rq->mpwqe.pages_per_wqe);
wi->consumed_strides = 0;
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index eb3fac30488b..97275965f156 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -294,6 +294,7 @@ enum {
#define MLX5_UMR_MTT_ALIGNMENT 0x40
#define MLX5_UMR_MTT_MASK (MLX5_UMR_MTT_ALIGNMENT - 1)
#define MLX5_UMR_MTT_MIN_CHUNK_SIZE MLX5_UMR_MTT_ALIGNMENT
+#define MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT (MLX5_UMR_MTT_ALIGNMENT / sizeof(struct mlx5_mtt))
#define MLX5_USER_INDEX_LEN (MLX5_FLD_SZ_BYTES(qpc, user_index) * 8)