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authorKevin Laatz <kevin.laatz@intel.com>2019-08-27 05:25:25 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2019-08-31 02:08:26 +0300
commitbeb3e4b29530d54f2ef956acfb4999c775f10519 (patch)
treefb7ee9ed0ee538c6d21ab35de56d2e4ab3c11c34 /drivers/net/ethernet/mellanox/mlx5/core/en/xsk
parentd8c3061e5edd3b1f32c32fb9ebe11fad3c1bce82 (diff)
downloadlinux-beb3e4b29530d54f2ef956acfb4999c775f10519.tar.xz
mlx5e: modify driver for handling offsets
With the addition of the unaligned chunks option, we need to make sure we handle the offsets accordingly based on the mode we are currently running in. This patch modifies the driver to appropriately mask the address for each case. Signed-off-by: Kevin Laatz <kevin.laatz@intel.com> Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/xsk')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
index 6a55573ec8f2..7c49a66d28c9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
@@ -24,7 +24,8 @@ int mlx5e_xsk_page_alloc_umem(struct mlx5e_rq *rq,
if (!xsk_umem_peek_addr_rq(umem, &handle))
return -ENOMEM;
- dma_info->xsk.handle = handle + rq->buff.umem_headroom;
+ dma_info->xsk.handle = xsk_umem_adjust_offset(umem, handle,
+ rq->buff.umem_headroom);
dma_info->xsk.data = xdp_umem_get_data(umem, dma_info->xsk.handle);
/* No need to add headroom to the DMA address. In striding RQ case, we