Signed-off-by: Gaetan Rivet <gaetan.ri...@6wind.com>
---
doc/guides/nics/features/failsafe.ini | 1 +
drivers/net/failsafe/failsafe.c | 1 +
drivers/net/failsafe/failsafe_ether.c | 18 ++++++++++++++++++
drivers/net/failsafe/failsafe_ops.c | 24 ++++++++++++++++++++++++
drivers/net/failsafe/failsafe_private.h | 3 +++
5 files changed, 47 insertions(+)
diff --git a/doc/guides/nics/features/failsafe.ini
b/doc/guides/nics/features/failsafe.ini
index 257f579..251ce55 100644
--- a/doc/guides/nics/features/failsafe.ini
+++ b/doc/guides/nics/features/failsafe.ini
@@ -5,6 +5,7 @@
;
[Features]
Link status = Y
+Link status event = Y
Queue start/stop = Y
MTU update = Y
Jumbo frame = Y
diff --git a/drivers/net/failsafe/failsafe.c b/drivers/net/failsafe/failsafe.c
index 6151736..f885c19 100644
--- a/drivers/net/failsafe/failsafe.c
+++ b/drivers/net/failsafe/failsafe.c
@@ -238,6 +238,7 @@ eth_dev_create(const char *name,
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);
diff --git a/drivers/net/failsafe/failsafe_ether.c
b/drivers/net/failsafe/failsafe_ether.c
index f12b8d7..5c2e118 100644
--- a/drivers/net/failsafe/failsafe_ether.c
+++ b/drivers/net/failsafe/failsafe_ether.c
@@ -374,3 +374,21 @@ failsafe_eth_rmv_event_callback(uint8_t port_id
__rte_unused,
cb_arg))
ERROR("Could not set up deferred sub_device removal");
}
+
+void
+failsafe_eth_lsc_event_callback(uint8_t port_id __rte_unused,
+ enum rte_eth_event_type event,
+ void *cb_arg)
+{
+ struct rte_eth_dev *dev = cb_arg;
+ int ret;
+
+ if (event != RTE_ETH_EVENT_INTR_LSC) {
+ ERROR("Incorrect event");
+ return;
+ }
+ 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);
+}
diff --git a/drivers/net/failsafe/failsafe_ops.c
b/drivers/net/failsafe/failsafe_ops.c
index 8d0e7a2..695e7b3 100644
--- a/drivers/net/failsafe/failsafe_ops.c
+++ b/drivers/net/failsafe/failsafe_ops.c
@@ -199,6 +199,8 @@ 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;
@@ -211,6 +213,18 @@ 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);
ret = rte_eth_dev_configure(PORT_ID(sdev),
dev->data->nb_rx_queues,
@@ -230,6 +244,16 @@ 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)
diff --git a/drivers/net/failsafe/failsafe_private.h
b/drivers/net/failsafe/failsafe_private.h
index 5efd084..27e2a0c 100644
--- a/drivers/net/failsafe/failsafe_private.h
+++ b/drivers/net/failsafe/failsafe_private.h
@@ -182,6 +182,9 @@ int failsafe_eth_dev_state_sync(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 */
--
2.1.4
