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authorstephen hemminger <stephen@networkplumber.org>2017-03-09 15:04:14 -0800
committerDavid S. Miller <davem@davemloft.net>2017-03-12 23:15:43 -0700
commit0d6dd35784e76bc3e052ffa13c6839d5c9bcb449 (patch)
tree801dc16861dd4d9da770362a305cc3a79ddfefe1 /drivers/net/hyperv
parent115a731e528bbb6b8314ed9d1103b77d01d57680 (diff)
downloadop-kernel-dev-0d6dd35784e76bc3e052ffa13c6839d5c9bcb449.zip
op-kernel-dev-0d6dd35784e76bc3e052ffa13c6839d5c9bcb449.tar.gz
netvsc: need napi scheduled during removal
Since rndis_halt_device waits until all outstanding sends and receives are completed. Netvsc device needs to still schedule NAPI to see those completions. Fixes: 2506b1dc4bbe ("netvsc: implement NAPI") Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv')
-rw-r--r--drivers/net/hyperv/netvsc.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index b1328ce..0e0c757 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -91,15 +91,6 @@ static void free_netvsc_device(struct netvsc_device *nvdev)
}
-static inline bool netvsc_channel_idle(const struct netvsc_device *net_device,
- u16 q_idx)
-{
- const struct netvsc_channel *nvchan = &net_device->chan_table[q_idx];
-
- return atomic_read(&net_device->num_outstanding_recvs) == 0 &&
- atomic_read(&nvchan->queue_sends) == 0;
-}
-
static struct netvsc_device *get_outbound_net_device(struct hv_device *device)
{
struct netvsc_device *net_device = hv_device_to_netvsc_device(device);
@@ -1273,13 +1264,10 @@ void netvsc_channel_cb(void *context)
if (unlikely(!ndev))
return;
- net_device = net_device_to_netvsc_device(ndev);
- if (unlikely(net_device->destroy) &&
- netvsc_channel_idle(net_device, q_idx))
- return;
-
/* disable interupts from host */
hv_begin_read(&channel->inbound);
+
+ net_device = net_device_to_netvsc_device(ndev);
napi_schedule(&net_device->chan_table[q_idx].napi);
}
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