59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
|
/*-
|
||
|
* Copyright (c) 2015 Mellanox Technologies. All rights reserved.
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or without
|
||
|
* modification, are permitted provided that the following conditions
|
||
|
* are met:
|
||
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer.
|
||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
* documentation and/or other materials provided with the distribution.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
|
||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
* SUCH DAMAGE.
|
||
|
*
|
||
|
* $FreeBSD$
|
||
|
*/
|
||
|
|
||
|
#include "en.h"
|
||
|
|
||
|
struct mlx5_cqe64 *
|
||
|
mlx5e_get_cqe(struct mlx5e_cq *cq)
|
||
|
{
|
||
|
struct mlx5_cqe64 *cqe;
|
||
|
|
||
|
cqe = mlx5_cqwq_get_wqe(&cq->wq, mlx5_cqwq_get_ci(&cq->wq));
|
||
|
|
||
|
if ((cqe->op_own ^ mlx5_cqwq_get_wrap_cnt(&cq->wq)) & MLX5_CQE_OWNER_MASK)
|
||
|
return (NULL);
|
||
|
|
||
|
mlx5_cqwq_pop(&cq->wq);
|
||
|
|
||
|
/* ensure cqe content is read after cqe ownership bit */
|
||
|
rmb();
|
||
|
|
||
|
return (cqe);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
mlx5e_cq_error_event(struct mlx5_core_cq *mcq, int event)
|
||
|
{
|
||
|
struct mlx5e_cq *cq = container_of(mcq, struct mlx5e_cq, mcq);
|
||
|
struct mlx5e_channel *c = cq->channel;
|
||
|
struct mlx5e_priv *priv = c->priv;
|
||
|
struct ifnet *ifp = priv->ifp;
|
||
|
|
||
|
if_printf(ifp, "%s: cqn=0x%.6x event=0x%.2x\n",
|
||
|
__func__, mcq->cqn, event);
|
||
|
}
|