/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved.
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*/
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#ifndef _MLX5_IB_WR_H
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#define _MLX5_IB_WR_H
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#include "mlx5_ib.h"
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enum {
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MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64,
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};
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struct mlx5_wqe_eth_pad {
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u8 rsvd0[16];
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};
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/* get_sq_edge - Get the next nearby edge.
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*
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* An 'edge' is defined as the first following address after the end
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* of the fragment or the SQ. Accordingly, during the WQE construction
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* which repetitively increases the pointer to write the next data, it
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* simply should check if it gets to an edge.
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*
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* @sq - SQ buffer.
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* @idx - Stride index in the SQ buffer.
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*
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* Return:
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* The new edge.
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*/
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static inline void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx)
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{
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void *fragment_end;
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fragment_end = mlx5_frag_buf_get_wqe
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(&sq->fbc,
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mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx));
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return fragment_end + MLX5_SEND_WQE_BB;
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}
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int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
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const struct ib_send_wr **bad_wr, bool drain);
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int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
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const struct ib_recv_wr **bad_wr, bool drain);
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static inline int mlx5_ib_post_send_nodrain(struct ib_qp *ibqp,
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const struct ib_send_wr *wr,
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const struct ib_send_wr **bad_wr)
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{
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return mlx5_ib_post_send(ibqp, wr, bad_wr, false);
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}
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static inline int mlx5_ib_post_send_drain(struct ib_qp *ibqp,
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const struct ib_send_wr *wr,
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const struct ib_send_wr **bad_wr)
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{
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return mlx5_ib_post_send(ibqp, wr, bad_wr, true);
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}
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static inline int mlx5_ib_post_recv_nodrain(struct ib_qp *ibqp,
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const struct ib_recv_wr *wr,
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const struct ib_recv_wr **bad_wr)
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{
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return mlx5_ib_post_recv(ibqp, wr, bad_wr, false);
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}
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static inline int mlx5_ib_post_recv_drain(struct ib_qp *ibqp,
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const struct ib_recv_wr *wr,
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const struct ib_recv_wr **bad_wr)
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{
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return mlx5_ib_post_recv(ibqp, wr, bad_wr, true);
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}
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#endif /* _MLX5_IB_WR_H */
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