[dpdk-dev] [PATCH] ethdev: read link state interrupt without link_update service
Thomas Monjalon
thomas.monjalon at 6wind.com
Fri Jun 20 15:13:58 CEST 2014
It is now possible to read link status updated by interrupt without
having manual link_update() service provided by the PMD.
Indeed link_update() is useless in interrupt case.
Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
---
lib/librte_ether/rte_ethdev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 7256841..a292b6e 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1100,11 +1100,11 @@ rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
return;
}
dev = &rte_eth_devices[port_id];
- FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
if (dev->data->dev_conf.intr_conf.lsc != 0)
rte_eth_dev_atomic_read_link_status(dev, eth_link);
else {
+ FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
(*dev->dev_ops->link_update)(dev, 1);
*eth_link = dev->data->dev_link;
}
@@ -1120,11 +1120,11 @@ rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
return;
}
dev = &rte_eth_devices[port_id];
- FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
if (dev->data->dev_conf.intr_conf.lsc != 0)
rte_eth_dev_atomic_read_link_status(dev, eth_link);
else {
+ FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
(*dev->dev_ops->link_update)(dev, 0);
*eth_link = dev->data->dev_link;
}
--
2.0.0
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