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