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Diffstat (limited to 'drivers/net/mlx4/en_cq.c')
-rw-r--r--drivers/net/mlx4/en_cq.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c
deleted file mode 100644
index ec4b6d047fe..00000000000
--- a/drivers/net/mlx4/en_cq.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - 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.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#include <linux/mlx4/cq.h>
-#include <linux/mlx4/qp.h>
-#include <linux/mlx4/cmd.h>
-
-#include "mlx4_en.h"
-
-static void mlx4_en_cq_event(struct mlx4_cq *cq, enum mlx4_event event)
-{
- return;
-}
-
-
-int mlx4_en_create_cq(struct mlx4_en_priv *priv,
- struct mlx4_en_cq *cq,
- int entries, int ring, enum cq_type mode)
-{
- struct mlx4_en_dev *mdev = priv->mdev;
- int err;
-
- cq->size = entries;
- if (mode == RX)
- cq->buf_size = cq->size * sizeof(struct mlx4_cqe);
- else
- cq->buf_size = sizeof(struct mlx4_cqe);
-
- cq->ring = ring;
- cq->is_tx = mode;
- spin_lock_init(&cq->lock);
-
- err = mlx4_alloc_hwq_res(mdev->dev, &cq->wqres,
- cq->buf_size, 2 * PAGE_SIZE);
- if (err)
- return err;
-
- err = mlx4_en_map_buffer(&cq->wqres.buf);
- if (err)
- mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
- else
- cq->buf = (struct mlx4_cqe *) cq->wqres.buf.direct.buf;
-
- return err;
-}
-
-int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
-{
- struct mlx4_en_dev *mdev = priv->mdev;
- int err = 0;
- char name[25];
-
- cq->dev = mdev->pndev[priv->port];
- cq->mcq.set_ci_db = cq->wqres.db.db;
- cq->mcq.arm_db = cq->wqres.db.db + 1;
- *cq->mcq.set_ci_db = 0;
- *cq->mcq.arm_db = 0;
- memset(cq->buf, 0, cq->buf_size);
-
- if (cq->is_tx == RX) {
- if (mdev->dev->caps.comp_pool) {
- if (!cq->vector) {
- sprintf(name , "%s-rx-%d", priv->dev->name, cq->ring);
- if (mlx4_assign_eq(mdev->dev, name, &cq->vector)) {
- cq->vector = (cq->ring + 1 + priv->port) %
- mdev->dev->caps.num_comp_vectors;
- mlx4_warn(mdev, "Failed Assigning an EQ to "
- "%s_rx-%d ,Falling back to legacy EQ's\n",
- priv->dev->name, cq->ring);
- }
- }
- } else {
- cq->vector = (cq->ring + 1 + priv->port) %
- mdev->dev->caps.num_comp_vectors;
- }
- } else {
- if (!cq->vector || !mdev->dev->caps.comp_pool) {
- /*Fallback to legacy pool in case of error*/
- cq->vector = 0;
- }
- }
-
- if (!cq->is_tx)
- cq->size = priv->rx_ring[cq->ring].actual_size;
-
- err = mlx4_cq_alloc(mdev->dev, cq->size, &cq->wqres.mtt, &mdev->priv_uar,
- cq->wqres.db.dma, &cq->mcq, cq->vector, cq->is_tx);
- if (err)
- return err;
-
- cq->mcq.comp = cq->is_tx ? mlx4_en_tx_irq : mlx4_en_rx_irq;
- cq->mcq.event = mlx4_en_cq_event;
-
- if (cq->is_tx) {
- init_timer(&cq->timer);
- cq->timer.function = mlx4_en_poll_tx_cq;
- cq->timer.data = (unsigned long) cq;
- } else {
- netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq, 64);
- napi_enable(&cq->napi);
- }
-
- return 0;
-}
-
-void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
- bool reserve_vectors)
-{
- struct mlx4_en_dev *mdev = priv->mdev;
-
- mlx4_en_unmap_buffer(&cq->wqres.buf);
- mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
- if (priv->mdev->dev->caps.comp_pool && cq->vector && !reserve_vectors)
- mlx4_release_eq(priv->mdev->dev, cq->vector);
- cq->buf_size = 0;
- cq->buf = NULL;
-}
-
-void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
-{
- struct mlx4_en_dev *mdev = priv->mdev;
-
- if (cq->is_tx)
- del_timer(&cq->timer);
- else {
- napi_disable(&cq->napi);
- netif_napi_del(&cq->napi);
- }
-
- mlx4_cq_free(mdev->dev, &cq->mcq);
-}
-
-/* Set rx cq moderation parameters */
-int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
-{
- return mlx4_cq_modify(priv->mdev->dev, &cq->mcq,
- cq->moder_cnt, cq->moder_time);
-}
-
-int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
-{
- mlx4_cq_arm(&cq->mcq, MLX4_CQ_DB_REQ_NOT, priv->mdev->uar_map,
- &priv->mdev->uar_lock);
-
- return 0;
-}
-
-