-/*-
- * 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.
*/
#ifndef _RTE_ETH_FAILSAFE_PRIVATE_H_
#include <rte_interrupts.h>
#define FAILSAFE_DRIVER_NAME "Fail-safe PMD"
+#define FAILSAFE_OWNER_NAME "Fail-safe"
#define PMD_FAILSAFE_MAC_KVARG "mac"
#define PMD_FAILSAFE_HOTPLUG_POLL_KVARG "hotplug_poll"
#define DEVARGS_MAXLEN 4096
+enum rxp_service_state {
+ SS_NO_SERVICE = 0,
+ SS_REGISTERED,
+ SS_READY,
+ SS_RUNNING,
+};
+
/* TYPES */
struct rx_proxy {
int efd;
/* event vector to be used by epoll */
struct rte_epoll_event *evec;
+ /* rte service id */
+ uint32_t sid;
+ /* service core id */
+ uint32_t scid;
+ enum rxp_service_state sstate;
};
struct rxq {
uint32_t mac_addr_pool[FAILSAFE_MAX_ETHADDR];
/* current capabilities */
struct rte_eth_dev_info infos;
+ struct rte_eth_dev_owner my_owner; /* Unique owner. */
struct rte_intr_handle intr_handle; /* Port interrupt handle. */
/*
* Fail-safe state machine.
* Rx interrupts/events proxy.
* The PMD issues Rx events to the EAL on behalf of its subdevices,
* it does that by registering an event-fd for each of its queues with
- * the EAL.
+ * the EAL. A PMD service thread listens to all the Rx events from the
+ * subdevices, when an Rx event is issued by a subdevice it will be
+ * caught by this service with will trigger an Rx event in the
+ * appropriate failsafe Rx queue.
*/
struct rx_proxy rxp;
unsigned int pending_alarm:1; /* An alarm is pending */