diff options
Diffstat (limited to 'drivers/net/enic/enic_main.c')
| -rw-r--r-- | drivers/net/enic/enic_main.c | 91 |
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); |