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netvsc: Fix a bug in sub-channel handling 

All netvsc channels are handled via NAPI. Setup the "read mode" correctly
for the netvsc sub-channels.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
K. Y. Srinivasan 2017-03-24 20:54:36 -07:00 committed by David S. Miller
parent 71ee0307f5
commit b1dd90cea7
1 changed files with 5 additions and 0 deletions
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5
drivers/net/hyperv/rndis_filter.c
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@ -1002,6 +1002,11 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)
if (!nvchan->mrc.buf)
return;
/* Because the device uses NAPI, all the interrupt batching and
* control is done via Net softirq, not the channel handling
*/
set_channel_read_mode(new_sc, HV_CALL_ISR);
ret = vmbus_open(new_sc, nvscdev->ring_size * PAGE_SIZE,
nvscdev->ring_size * PAGE_SIZE, NULL, 0,
netvsc_channel_cb, nvchan);