[dpdk-dev] [PATCH] net/enic: move link checking init to probe time
Nelson Escobar
neescoba at cisco.com
Tue Aug 9 23:42:04 CEST 2016
The enic DMAs link status information to the host and this requires a
little setup. This setup was being done as a result of calling
rte_eth_dev_start(). But applications expect to be able to check link
status before calling rte_eth_dev_start().
This patch moves he link status setup to enic_init() which is called
at device probe time so that link status can be checked anytime.
Fixes: fefed3d1e62c ("enic: new driver")
Signed-off-by: Nelson Escobar <neescoba at cisco.com>
Reviewed-by: John Daley <johndale at cisco.com>
---
drivers/net/enic/enic_main.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index b4ca371..eb32ac1 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -430,7 +430,6 @@ int enic_enable(struct enic *enic)
eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
- vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
if (enic_clsf_init(enic))
dev_warning(enic, "Init of hash table for clsf failed."\
@@ -820,7 +819,6 @@ int enic_disable(struct enic *enic)
}
vnic_dev_set_reset_flag(enic->vdev, 1);
- vnic_dev_notify_unset(enic->vdev);
for (i = 0; i < enic->wq_count; i++)
vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
@@ -1022,6 +1020,9 @@ static void enic_dev_deinit(struct enic *enic)
{
struct rte_eth_dev *eth_dev = enic->rte_dev;
+ /* stop link status checking */
+ vnic_dev_notify_unset(enic->vdev);
+
rte_free(eth_dev->data->mac_addrs);
}
@@ -1137,6 +1138,9 @@ static int enic_dev_init(struct enic *enic)
vnic_dev_set_reset_flag(enic->vdev, 0);
+ /* set up link status checking */
+ vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
+
return 0;
}
--
2.7.0
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