/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
#ifndef _RTE_ETH_FAILSAFE_PRIVATE_H_
#define _RTE_ETH_FAILSAFE_PRIVATE_H_
+#include <stdint.h>
#include <sys/queue.h>
+#include <pthread.h>
#include <rte_atomic.h>
#include <rte_dev.h>
#include <rte_ethdev_driver.h>
#include <rte_devargs.h>
+#include <rte_flow.h>
#include <rte_interrupts.h>
#define FAILSAFE_DRIVER_NAME "Fail-safe PMD"
/* sub_flows */
struct rte_flow *flows[FAILSAFE_MAX_ETHPORTS];
/* flow description for synchronization */
- struct rte_flow_desc *fd;
+ struct rte_flow_conv_rule rule;
+ uint8_t rule_data[];
};
enum dev_state {
uint64_t timestamp;
};
+/*
+ * Allocated in shared memory.
+ */
struct sub_device {
/* Exhaustive DPDK device description */
struct sub_device *next;
struct rte_devargs devargs;
- struct rte_bus *bus;
- struct rte_device *dev;
- struct rte_eth_dev *edev;
+ struct rte_bus *bus; /* for primary process only. */
+ struct rte_device *dev; /* for primary process only. */
uint8_t sid;
/* Device state machine */
enum dev_state state;
/* Others are retrieved through a file descriptor */
char *fd_str;
/* fail-safe device backreference */
- struct rte_eth_dev *fs_dev;
+ uint16_t fs_port_id; /* shared between processes */
+ /* sub device port id*/
+ uint16_t sdev_port_id; /* shared between processes */
/* flag calling for recollection */
volatile unsigned int remove:1;
/* flow isolation state */
int flow_isolated:1;
+ /* RMV callback registration state */
+ unsigned int rmv_callback:1;
+ /* LSC callback registration state */
+ unsigned int lsc_callback:1;
};
+/*
+ * This is referenced by eth_dev->data->dev_private
+ * This is shared between processes.
+ */
struct fs_priv {
- struct rte_eth_dev *dev;
+ struct rte_eth_dev_data *data; /* backreference to shared data. */
/*
* Set of sub_devices.
* subs[0] is the preferred device
* any other is just another slave
*/
- struct sub_device *subs;
+ struct sub_device *subs; /* shared between processes */
uint8_t subs_head; /* if head == tail, no subs */
uint8_t subs_tail; /* first invalid */
uint8_t subs_tx; /* current emitting device */
TAILQ_HEAD(sub_flows, rte_flow) flow_list;
/* current number of mac_addr slots allocated. */
uint32_t nb_mac_addr;
- struct ether_addr mac_addrs[FAILSAFE_MAX_ETHADDR];
+ struct rte_ether_addr mac_addrs[FAILSAFE_MAX_ETHADDR];
uint32_t mac_addr_pool[FAILSAFE_MAX_ETHADDR];
+ uint32_t nb_mcast_addr;
+ struct rte_ether_addr *mcast_addrs;
/* current capabilities */
struct rte_eth_dev_info infos;
struct rte_eth_dev_owner my_owner; /* Unique owner. */
* appropriate failsafe Rx queue.
*/
struct rx_proxy rxp;
+ pthread_mutex_t hotplug_mutex;
+ /* Hot-plug mutex is locked by the alarm mechanism. */
+ volatile unsigned int alarm_lock:1;
unsigned int pending_alarm:1; /* An alarm is pending */
/* flow isolation state */
int flow_isolated:1;
/* RX / TX */
-void set_burst_fn(struct rte_eth_dev *dev, int force_safe);
+void failsafe_set_burst_fn(struct rte_eth_dev *dev, int force_safe);
uint16_t failsafe_rx_burst(void *rxq,
struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
/* ETH_DEV */
int failsafe_eth_dev_state_sync(struct rte_eth_dev *dev);
+void failsafe_eth_dev_unregister_callbacks(struct sub_device *sdev);
void failsafe_dev_remove(struct rte_eth_dev *dev);
void failsafe_stats_increment(struct rte_eth_stats *to,
struct rte_eth_stats *from);
int failsafe_eth_lsc_event_callback(uint16_t port_id,
enum rte_eth_event_type event,
void *cb_arg, void *out);
+int failsafe_eth_new_event_callback(uint16_t port_id,
+ enum rte_eth_event_type event,
+ void *cb_arg, void *out);
/* GLOBALS */
extern const char pmd_failsafe_driver_name[];
extern const struct eth_dev_ops failsafe_ops;
extern const struct rte_flow_ops fs_flow_ops;
-extern uint64_t hotplug_poll;
-extern int mac_from_arg;
+extern uint64_t failsafe_hotplug_poll;
+extern int failsafe_mac_from_arg;
/* HELPERS */
/* sdev: (struct sub_device *) */
#define ETH(sdev) \
- ((sdev)->edev)
+ ((sdev)->sdev_port_id == RTE_MAX_ETHPORTS ? \
+ NULL : &rte_eth_devices[(sdev)->sdev_port_id])
/* sdev: (struct sub_device *) */
#define PORT_ID(sdev) \
- (ETH(sdev)->data->port_id)
+ ((sdev)->sdev_port_id)
/* sdev: (struct sub_device *) */
#define SUB_ID(sdev) \
*/
#define FS_ATOMIC_RX(s, i) \
rte_atomic64_read( \
- &((struct rxq *)((s)->fs_dev->data->rx_queues[i]))->refcnt[(s)->sid] \
- )
+ &((struct rxq *) \
+ (fs_dev(s)->data->rx_queues[i]))->refcnt[(s)->sid])
/**
* s: (struct sub_device *)
* i: uint16_t qid
*/
#define FS_ATOMIC_TX(s, i) \
rte_atomic64_read( \
- &((struct txq *)((s)->fs_dev->data->tx_queues[i]))->refcnt[(s)->sid] \
- )
+ &((struct txq *) \
+ (fs_dev(s)->data->tx_queues[i]))->refcnt[(s)->sid])
+
+#ifdef RTE_EXEC_ENV_FREEBSD
+#define FS_THREADID_TYPE void*
+#define FS_THREADID_FMT "p"
+#else
+#define FS_THREADID_TYPE unsigned long
+#define FS_THREADID_FMT "lu"
+#endif
+
+extern int failsafe_logtype;
+
+#define LOG__(l, m, ...) \
+ rte_log(RTE_LOG_ ## l, failsafe_logtype, \
+ "net_failsafe: " m "%c", __VA_ARGS__)
-#define LOG__(level, m, ...) \
- RTE_LOG(level, PMD, "net_failsafe: " m "%c", __VA_ARGS__)
#define LOG_(level, ...) LOG__(level, __VA_ARGS__, '\n')
#define DEBUG(...) LOG_(DEBUG, __VA_ARGS__)
#define INFO(...) LOG_(INFO, __VA_ARGS__)
return &subs[sid];
}
+static inline struct rte_eth_dev *
+fs_dev(struct sub_device *sdev) {
+ return &rte_eth_devices[sdev->fs_port_id];
+}
+
+/*
+ * Lock hot-plug mutex.
+ * is_alarm means that the caller is, for sure, the hot-plug alarm mechanism.
+ */
+static inline int
+fs_lock(struct rte_eth_dev *dev, unsigned int is_alarm)
+{
+ int ret;
+
+ if (is_alarm) {
+ ret = pthread_mutex_trylock(&PRIV(dev)->hotplug_mutex);
+ if (ret) {
+ DEBUG("Hot-plug mutex lock trying failed(%s), will try"
+ " again later...", strerror(ret));
+ return ret;
+ }
+ PRIV(dev)->alarm_lock = 1;
+ } else {
+ ret = pthread_mutex_lock(&PRIV(dev)->hotplug_mutex);
+ if (ret) {
+ ERROR("Cannot lock mutex(%s)", strerror(ret));
+ return ret;
+ }
+ }
+ return ret;
+}
+
+/*
+ * Unlock hot-plug mutex.
+ * is_alarm means that the caller is, for sure, the hot-plug alarm mechanism.
+ */
+static inline void
+fs_unlock(struct rte_eth_dev *dev, unsigned int is_alarm)
+{
+ int ret;
+
+ if (is_alarm) {
+ RTE_ASSERT(PRIV(dev)->alarm_lock == 1);
+ PRIV(dev)->alarm_lock = 0;
+ }
+ ret = pthread_mutex_unlock(&PRIV(dev)->hotplug_mutex);
+ if (ret)
+ ERROR("Cannot unlock hot-plug mutex(%s)", strerror(ret));
+}
+
/*
* Switch emitting device.
* If banned is set, banned must not be considered for
} else {
return;
}
- set_burst_fn(dev, 0);
+ failsafe_set_burst_fn(dev, 0);
rte_wmb();
}
git.droids-corp.org / dpdk.git / blobdiff