[dpdk-dev,v3,10/11] net/failsafe: support link status change event
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Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
doc/guides/nics/features/failsafe.ini | 1 +
drivers/net/failsafe/failsafe.c | 1 +
drivers/net/failsafe/failsafe_ether.c | 15 +++++++++++++++
drivers/net/failsafe/failsafe_ops.c | 23 +++++++++++++++++++++++
drivers/net/failsafe/failsafe_private.h | 3 +++
5 files changed, 43 insertions(+)
@@ -5,6 +5,7 @@
;
[Features]
Link status = Y
+Link status event = Y
Queue start/stop = Y
MTU update = Y
Jumbo frame = Y
@@ -240,6 +240,7 @@ fs_eth_dev_create(struct rte_vdev_device *vdev)
mac->addr_bytes[0], mac->addr_bytes[1],
mac->addr_bytes[2], mac->addr_bytes[3],
mac->addr_bytes[4], mac->addr_bytes[5]);
+ dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
return 0;
free_args:
failsafe_args_free(dev);
@@ -384,3 +384,18 @@ failsafe_eth_rmv_event_callback(uint8_t port_id __rte_unused,
*/
sdev->remove = 1;
}
+
+void
+failsafe_eth_lsc_event_callback(uint8_t port_id __rte_unused,
+ enum rte_eth_event_type event __rte_unused,
+ void *cb_arg)
+{
+ struct rte_eth_dev *dev = cb_arg;
+ int ret;
+
+ ret = dev->dev_ops->link_update(dev, 0);
+ /* We must pass on the LSC event */
+ if (ret)
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
+ NULL);
+}
@@ -207,6 +207,8 @@ fs_dev_configure(struct rte_eth_dev *dev)
}
FOREACH_SUBDEV(sdev, i, dev) {
int rmv_interrupt = 0;
+ int lsc_interrupt = 0;
+ int lsc_enabled;
if (sdev->state != DEV_PROBED)
continue;
@@ -219,6 +221,17 @@ fs_dev_configure(struct rte_eth_dev *dev)
} else {
DEBUG("sub_device %d does not support RMV event", i);
}
+ lsc_enabled = dev->data->dev_conf.intr_conf.lsc;
+ lsc_interrupt = lsc_enabled &&
+ (ETH(sdev)->data->dev_flags &
+ RTE_ETH_DEV_INTR_LSC);
+ if (lsc_interrupt) {
+ DEBUG("Enabling LSC interrupts for sub_device %d", i);
+ dev->data->dev_conf.intr_conf.lsc = 1;
+ } else if (lsc_enabled && !lsc_interrupt) {
+ DEBUG("Disabling LSC interrupts for sub_device %d", i);
+ dev->data->dev_conf.intr_conf.lsc = 0;
+ }
DEBUG("Configuring sub-device %d", i);
sdev->remove = 0;
ret = rte_eth_dev_configure(PORT_ID(sdev),
@@ -239,6 +252,16 @@ fs_dev_configure(struct rte_eth_dev *dev)
SUB_ID(sdev));
}
dev->data->dev_conf.intr_conf.rmv = 0;
+ if (lsc_interrupt) {
+ ret = rte_eth_dev_callback_register(PORT_ID(sdev),
+ RTE_ETH_EVENT_INTR_LSC,
+ failsafe_eth_lsc_event_callback,
+ dev);
+ if (ret)
+ WARN("Failed to register LSC callback for sub_device %d",
+ SUB_ID(sdev));
+ }
+ dev->data->dev_conf.intr_conf.lsc = lsc_enabled;
sdev->state = DEV_ACTIVE;
}
if (PRIV(dev)->state < DEV_ACTIVE)
@@ -180,6 +180,9 @@ void failsafe_dev_remove(struct rte_eth_dev *dev);
void failsafe_eth_rmv_event_callback(uint8_t port_id,
enum rte_eth_event_type type,
void *arg);
+void failsafe_eth_lsc_event_callback(uint8_t port_id,
+ enum rte_eth_event_type event,
+ void *cb_arg);
/* GLOBALS */