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net/failsafe: support link status change event

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Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
This commit is contained in:
Gaetan Rivet 2017-07-18 14:48:21 +02:00 committed by Ferruh Yigit
parent 598fb8aec6
commit ad7d6a35ca
5 changed files with 46 additions and 0 deletions
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1
doc/guides/nics/features/failsafe.ini
View File

@ -5,6 +5,7 @@
;
[Features]
Link status = Y
Link status event = Y
MTU update = Y
Jumbo frame = Y
Promiscuous mode = Y

1
drivers/net/failsafe/failsafe.c
View File

@ -238,6 +238,7 @@ 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);

18
drivers/net/failsafe/failsafe_ether.c
View File

@ -387,3 +387,21 @@ failsafe_eth_rmv_event_callback(uint8_t port_id __rte_unused,
sdev->remove = 1;
return 0;
}
int
failsafe_eth_lsc_event_callback(uint8_t port_id __rte_unused,
enum rte_eth_event_type event __rte_unused,
void *cb_arg, void *out __rte_unused)
{
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)
return _rte_eth_dev_callback_process(dev,
RTE_ETH_EVENT_INTR_LSC,
NULL, NULL);
else
return 0;
}

23
drivers/net/failsafe/failsafe_ops.c
View File

@ -206,6 +206,8 @@ 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;
@ -218,6 +220,17 @@ 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),
@ -238,6 +251,16 @@ 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)

3
drivers/net/failsafe/failsafe_private.h
View File

@ -179,6 +179,9 @@ void failsafe_dev_remove(struct rte_eth_dev *dev);
int failsafe_eth_rmv_event_callback(uint8_t port_id,
enum rte_eth_event_type type,
void *arg, void *out);
int failsafe_eth_lsc_event_callback(uint8_t port_id,
enum rte_eth_event_type event,
void *cb_arg, void *out);
/* GLOBALS */