diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h | 5 |
2 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c index d7c7363f9096..d052d469d4df 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c @@ -602,9 +602,10 @@ static void dr_fill_write_icm_segs(struct mlx5dr_domain *dmn, send_ring->pending_wqe++; send_info->read.length = send_info->write.length; - /* Read into the same write area */ - send_info->read.addr = (uintptr_t)send_info->write.addr; - send_info->read.lkey = send_ring->mr->mkey; + + /* Read into dedicated sync buffer */ + send_info->read.addr = (uintptr_t)send_ring->sync_mr->dma_addr; + send_info->read.lkey = send_ring->sync_mr->mkey; if (send_ring->pending_wqe % send_ring->signal_th == 0) send_info->read.send_flags = IB_SEND_SIGNALED; @@ -1288,16 +1289,25 @@ int mlx5dr_send_ring_alloc(struct mlx5dr_domain *dmn) goto free_mem; } + dmn->send_ring->sync_buff = kzalloc(dmn->send_ring->max_post_send_size, + GFP_KERNEL); + if (!dmn->send_ring->sync_buff) { + ret = -ENOMEM; + goto clean_mr; + } + dmn->send_ring->sync_mr = dr_reg_mr(dmn->mdev, dmn->pdn, dmn->send_ring->sync_buff, - MIN_READ_SYNC); + dmn->send_ring->max_post_send_size); if (!dmn->send_ring->sync_mr) { ret = -ENOMEM; - goto clean_mr; + goto free_sync_mem; } return 0; +free_sync_mem: + kfree(dmn->send_ring->sync_buff); clean_mr: dr_dereg_mr(dmn->mdev, dmn->send_ring->mr); free_mem: @@ -1320,6 +1330,7 @@ void mlx5dr_send_ring_free(struct mlx5dr_domain *dmn, dr_dereg_mr(dmn->mdev, send_ring->sync_mr); dr_dereg_mr(dmn->mdev, send_ring->mr); kfree(send_ring->buf); + kfree(send_ring->sync_buff); kfree(send_ring); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h index 7b35f78a84a2..81d7ac6d6258 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h @@ -1429,9 +1429,6 @@ struct mlx5dr_mr { size_t size; }; -#define MAX_SEND_CQE 64 -#define MIN_READ_SYNC 64 - struct mlx5dr_send_ring { struct mlx5dr_cq *cq; struct mlx5dr_qp *qp; @@ -1446,7 +1443,7 @@ struct mlx5dr_send_ring { u32 tx_head; void *buf; u32 buf_size; - u8 sync_buff[MIN_READ_SYNC]; + u8 *sync_buff; struct mlx5dr_mr *sync_mr; spinlock_t lock; /* Protect the data path of the send ring */ bool err_state; /* send_ring is not usable in err state */ |