diff options
Diffstat (limited to 'drivers/net/mlx4/mlx4_intr.c')
| -rw-r--r-- | drivers/net/mlx4/mlx4_intr.c | 91 |
1 files changed, 50 insertions, 41 deletions
diff --git a/drivers/net/mlx4/mlx4_intr.c b/drivers/net/mlx4/mlx4_intr.c index 50d19769..2141992e 100644 --- a/drivers/net/mlx4/mlx4_intr.c +++ b/drivers/net/mlx4/mlx4_intr.c @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright 2017 6WIND S.A. - * Copyright 2017 Mellanox - * - * 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. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * 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 - * OWNER 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017 6WIND S.A. + * Copyright 2017 Mellanox */ /** @@ -52,11 +24,12 @@ #include <rte_alarm.h> #include <rte_errno.h> -#include <rte_ethdev.h> +#include <rte_ethdev_driver.h> #include <rte_io.h> #include <rte_interrupts.h> #include "mlx4.h" +#include "mlx4_glue.h" #include "mlx4_rxtx.h" #include "mlx4_utils.h" @@ -154,7 +127,7 @@ mlx4_link_status_alarm(struct priv *priv) if (intr_conf->lsc && !mlx4_link_status_check(priv)) _rte_eth_dev_callback_process(priv->dev, RTE_ETH_EVENT_INTR_LSC, - NULL, NULL); + NULL); } /** @@ -216,7 +189,7 @@ mlx4_interrupt_handler(struct priv *priv) unsigned int i; /* Read all message and acknowledge them. */ - while (!ibv_get_async_event(priv->ctx, &event)) { + while (!mlx4_glue->get_async_event(priv->ctx, &event)) { switch (event.event_type) { case IBV_EVENT_PORT_ACTIVE: case IBV_EVENT_PORT_ERR: @@ -231,12 +204,12 @@ mlx4_interrupt_handler(struct priv *priv) DEBUG("event type %d on physical port %d not handled", event.event_type, event.element.port_num); } - ibv_ack_async_event(&event); + mlx4_glue->ack_async_event(&event); } for (i = 0; i != RTE_DIM(caught); ++i) if (caught[i]) _rte_eth_dev_callback_process(priv->dev, type[i], - NULL, NULL); + NULL); } /** @@ -291,7 +264,7 @@ mlx4_intr_uninstall(struct priv *priv) } rte_eal_alarm_cancel((void (*)(void *))mlx4_link_status_alarm, priv); priv->intr_alarm = 0; - mlx4_rx_intr_vec_disable(priv); + mlx4_rxq_intr_disable(priv); rte_errno = err; return 0; } @@ -313,8 +286,6 @@ mlx4_intr_install(struct priv *priv) int rc; mlx4_intr_uninstall(priv); - if (intr_conf->rxq && mlx4_rx_intr_vec_enable(priv) < 0) - goto error; if (intr_conf->lsc | intr_conf->rmv) { priv->intr_handle.fd = priv->ctx->async_fd; rc = rte_intr_callback_register(&priv->intr_handle, @@ -354,7 +325,8 @@ mlx4_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx) if (!rxq || !rxq->channel) { ret = EINVAL; } else { - ret = ibv_get_cq_event(rxq->cq->channel, &ev_cq, &ev_ctx); + ret = mlx4_glue->get_cq_event(rxq->cq->channel, &ev_cq, + &ev_ctx); if (ret || ev_cq != rxq->cq) ret = EINVAL; } @@ -364,7 +336,7 @@ mlx4_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx) idx); } else { rxq->mcq.arm_sn++; - ibv_ack_cq_events(rxq->cq, 1); + mlx4_glue->ack_cq_events(rxq->cq, 1); } return -ret; } @@ -395,3 +367,40 @@ mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx) } return -ret; } + +/** + * Enable datapath interrupts. + * + * @param priv + * Pointer to private structure. + * + * @return + * 0 on success, negative errno value otherwise and rte_errno is set. + */ +int +mlx4_rxq_intr_enable(struct priv *priv) +{ + const struct rte_intr_conf *const intr_conf = + &priv->dev->data->dev_conf.intr_conf; + + if (intr_conf->rxq && mlx4_rx_intr_vec_enable(priv) < 0) + goto error; + return 0; +error: + return -rte_errno; +} + +/** + * Disable datapath interrupts, keeping other interrupts intact. + * + * @param priv + * Pointer to private structure. + */ +void +mlx4_rxq_intr_disable(struct priv *priv) +{ + int err = rte_errno; /* Make sure rte_errno remains unchanged. */ + + mlx4_rx_intr_vec_disable(priv); + rte_errno = err; +} |