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liquidio: napi cleanup 

Disable napi when interface is going down.
Delete napi when destroying the interface.

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Intiyaz Basha 2017-08-08 19:34:28 -07:00 committed by David S. Miller
parent 6eb7939371
commit 42013e9038
2 changed files with 29 additions and 0 deletions
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15
drivers/net/ethernet/cavium/liquidio/lio_main.c
View File

@ -1736,6 +1736,10 @@ static void liquidio_destroy_nic_device(struct octeon_device *oct, int ifidx)
oct->droq[0]->ops.poll_mode = 0;
}
/* Delete NAPI */
list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
netif_napi_del(napi);
if (atomic_read(&lio->ifstate) & LIO_IFSTATE_REGISTERED)
unregister_netdev(netdev);
@ -2770,6 +2774,17 @@ static int liquidio_stop(struct net_device *netdev)
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
struct napi_struct *napi, *n;
if (oct->props[lio->ifidx].napi_enabled) {
list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
napi_disable(napi);
oct->props[lio->ifidx].napi_enabled = 0;
if (OCTEON_CN23XX_PF(oct))
oct->droq[0]->ops.poll_mode = 0;
}
ifstate_reset(lio, LIO_IFSTATE_RUNNING);

14
drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
View File

@ -1137,6 +1137,10 @@ static void liquidio_destroy_nic_device(struct octeon_device *oct, int ifidx)
oct->droq[0]->ops.poll_mode = 0;
}
/* Delete NAPI */
list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
netif_napi_del(napi);
if (atomic_read(&lio->ifstate) & LIO_IFSTATE_REGISTERED)
unregister_netdev(netdev);
@ -1784,6 +1788,16 @@ static int liquidio_stop(struct net_device *netdev)
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
struct napi_struct *napi, *n;
if (oct->props[lio->ifidx].napi_enabled) {
list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
napi_disable(napi);
oct->props[lio->ifidx].napi_enabled = 0;
oct->droq[0]->ops.poll_mode = 0;
}
netif_info(lio, ifdown, lio->netdev, "Stopping interface!\n");
/* Inform that netif carrier is down */