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Diffstat (limited to 'drivers/net/enic/enic_main.c')
-rw-r--r--drivers/net/enic/enic_main.c91
1 files changed, 41 insertions, 50 deletions
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 8af0ccd3..ec9d343f 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -1,35 +1,6 @@
-/*
- * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * 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 THE COPYRIGHT HOLDERS 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 THE
- * COPYRIGHT HOLDER 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.
- *
*/
#include <stdio.h>
@@ -45,7 +16,7 @@
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_string_fns.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include "enic_compat.h"
#include "enic.h"
@@ -98,11 +69,6 @@ enic_rxmbuf_queue_release(__rte_unused struct enic *enic, struct vnic_rq *rq)
}
}
-void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
-{
- vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
-}
-
static void enic_free_wq_buf(struct vnic_wq_buf *buf)
{
struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->mb;
@@ -434,7 +400,7 @@ enic_intr_handler(void *arg)
vnic_intr_return_all_credits(&enic->intr);
enic_link_update(enic);
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, NULL);
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
enic_log_q_error(enic);
}
@@ -634,7 +600,8 @@ int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
mbuf_size = (uint16_t)(rte_pktmbuf_data_room_size(mp) -
RTE_PKTMBUF_HEADROOM);
- if (enic->rte_dev->data->dev_conf.rxmode.enable_scatter) {
+ if (enic->rte_dev->data->dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_SCATTER) {
dev_info(enic, "Rq %u Scatter rx mode enabled\n", queue_idx);
/* ceil((mtu + ETHER_HDR_LEN + 4)/mbuf_size) */
mbufs_per_pkt = ((mtu + ETHER_HDR_LEN + 4) +
@@ -1075,6 +1042,9 @@ static void enic_dev_deinit(struct enic *enic)
vnic_dev_notify_unset(enic->vdev);
rte_free(eth_dev->data->mac_addrs);
+ rte_free(enic->cq);
+ rte_free(enic->rq);
+ rte_free(enic->wq);
}
@@ -1082,27 +1052,28 @@ int enic_set_vnic_res(struct enic *enic)
{
struct rte_eth_dev *eth_dev = enic->rte_dev;
int rc = 0;
+ unsigned int required_rq, required_wq, required_cq;
- /* With Rx scatter support, two RQs are now used per RQ used by
- * the application.
- */
- if (enic->conf_rq_count < eth_dev->data->nb_rx_queues) {
+ /* Always use two vNIC RQs per eth_dev RQ, regardless of Rx scatter. */
+ required_rq = eth_dev->data->nb_rx_queues * 2;
+ required_wq = eth_dev->data->nb_tx_queues;
+ required_cq = eth_dev->data->nb_rx_queues + eth_dev->data->nb_tx_queues;
+
+ if (enic->conf_rq_count < required_rq) {
dev_err(dev, "Not enough Receive queues. Requested:%u which uses %d RQs on VIC, Configured:%u\n",
eth_dev->data->nb_rx_queues,
- eth_dev->data->nb_rx_queues * 2, enic->conf_rq_count);
+ required_rq, enic->conf_rq_count);
rc = -EINVAL;
}
- if (enic->conf_wq_count < eth_dev->data->nb_tx_queues) {
+ if (enic->conf_wq_count < required_wq) {
dev_err(dev, "Not enough Transmit queues. Requested:%u, Configured:%u\n",
eth_dev->data->nb_tx_queues, enic->conf_wq_count);
rc = -EINVAL;
}
- if (enic->conf_cq_count < (eth_dev->data->nb_rx_queues +
- eth_dev->data->nb_tx_queues)) {
+ if (enic->conf_cq_count < required_cq) {
dev_err(dev, "Not enough Completion queues. Required:%u, Configured:%u\n",
- (eth_dev->data->nb_rx_queues +
- eth_dev->data->nb_tx_queues), enic->conf_cq_count);
+ required_cq, enic->conf_cq_count);
rc = -EINVAL;
}
@@ -1208,7 +1179,8 @@ int enic_set_mtu(struct enic *enic, uint16_t new_mtu)
/* The easy case is when scatter is disabled. However if the MTU
* becomes greater than the mbuf data size, packet drops will ensue.
*/
- if (!enic->rte_dev->data->dev_conf.rxmode.enable_scatter) {
+ if (!(enic->rte_dev->data->dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_SCATTER)) {
eth_dev->data->mtu = new_mtu;
goto set_mtu_done;
}
@@ -1307,6 +1279,25 @@ static int enic_dev_init(struct enic *enic)
dev_err(enic, "See the ENIC PMD guide for more information.\n");
return -EINVAL;
}
+ /* Queue counts may be zeros. rte_zmalloc returns NULL in that case. */
+ enic->cq = rte_zmalloc("enic_vnic_cq", sizeof(struct vnic_cq) *
+ enic->conf_cq_count, 8);
+ enic->rq = rte_zmalloc("enic_vnic_rq", sizeof(struct vnic_rq) *
+ enic->conf_rq_count, 8);
+ enic->wq = rte_zmalloc("enic_vnic_wq", sizeof(struct vnic_wq) *
+ enic->conf_wq_count, 8);
+ if (enic->conf_cq_count > 0 && enic->cq == NULL) {
+ dev_err(enic, "failed to allocate vnic_cq, aborting.\n");
+ return -1;
+ }
+ if (enic->conf_rq_count > 0 && enic->rq == NULL) {
+ dev_err(enic, "failed to allocate vnic_rq, aborting.\n");
+ return -1;
+ }
+ if (enic->conf_wq_count > 0 && enic->wq == NULL) {
+ dev_err(enic, "failed to allocate vnic_wq, aborting.\n");
+ return -1;
+ }
/* Get the supported filters */
enic_fdir_info(enic);