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net/mlx5e: Move XDP struct and enum to XDP header
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Move struct mlx5e_xdp_info and enum mlx5e_xdp_xmit_mode from the generic
en.h to the XDP header, where they belong.

Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tariq Toukan authored and David S. Miller committed Apr 19, 2023
1 parent 14cac66 commit aebc62d
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Showing 2 changed files with 35 additions and 35 deletions.
35 changes: 0 additions & 35 deletions drivers/net/ethernet/mellanox/mlx5/core/en.h
Original file line number Diff line number Diff line change
Expand Up @@ -475,41 +475,6 @@ struct mlx5e_txqsq {
cqe_ts_to_ns ptp_cyc2time;
} ____cacheline_aligned_in_smp;

/* XDP packets can be transmitted in different ways. On completion, we need to
* distinguish between them to clean up things in a proper way.
*/
enum mlx5e_xdp_xmit_mode {
/* An xdp_frame was transmitted due to either XDP_REDIRECT from another
* device or XDP_TX from an XSK RQ. The frame has to be unmapped and
* returned.
*/
MLX5E_XDP_XMIT_MODE_FRAME,

/* The xdp_frame was created in place as a result of XDP_TX from a
* regular RQ. No DMA remapping happened, and the page belongs to us.
*/
MLX5E_XDP_XMIT_MODE_PAGE,

/* No xdp_frame was created at all, the transmit happened from a UMEM
* page. The UMEM Completion Ring producer pointer has to be increased.
*/
MLX5E_XDP_XMIT_MODE_XSK,
};

struct mlx5e_xdp_info {
enum mlx5e_xdp_xmit_mode mode;
union {
struct {
struct xdp_frame *xdpf;
dma_addr_t dma_addr;
} frame;
struct {
struct mlx5e_rq *rq;
struct page *page;
} page;
};
};

struct mlx5e_xmit_data {
dma_addr_t dma_addr;
void *data;
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35 changes: 35 additions & 0 deletions drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,41 @@ struct mlx5e_xdp_buff {
struct mlx5e_rq *rq;
};

/* XDP packets can be transmitted in different ways. On completion, we need to
* distinguish between them to clean up things in a proper way.
*/
enum mlx5e_xdp_xmit_mode {
/* An xdp_frame was transmitted due to either XDP_REDIRECT from another
* device or XDP_TX from an XSK RQ. The frame has to be unmapped and
* returned.
*/
MLX5E_XDP_XMIT_MODE_FRAME,

/* The xdp_frame was created in place as a result of XDP_TX from a
* regular RQ. No DMA remapping happened, and the page belongs to us.
*/
MLX5E_XDP_XMIT_MODE_PAGE,

/* No xdp_frame was created at all, the transmit happened from a UMEM
* page. The UMEM Completion Ring producer pointer has to be increased.
*/
MLX5E_XDP_XMIT_MODE_XSK,
};

struct mlx5e_xdp_info {
enum mlx5e_xdp_xmit_mode mode;
union {
struct {
struct xdp_frame *xdpf;
dma_addr_t dma_addr;
} frame;
struct {
struct mlx5e_rq *rq;
struct page *page;
} page;
};
};

struct mlx5e_xsk_param;
int mlx5e_xdp_max_mtu(struct mlx5e_params *params, struct mlx5e_xsk_param *xsk);
bool mlx5e_xdp_handle(struct mlx5e_rq *rq,
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