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authorK. Y. Srinivasan2017-03-25 04:54:36 +0100
committerDavid S. Miller2017-03-26 05:15:56 +0200
commitb1dd90cea725f794185a66c4e4ccfd4fb84632b5 (patch)
tree5fd7e163ab63a07cf763c51ba8c4e48c194b0bf4 /drivers/net/hyperv
parentMerge branch 'gtp-sgsn-side-tunnel' (diff)
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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>
Diffstat (limited to 'drivers/net/hyperv')
-rw-r--r--drivers/net/hyperv/rndis_filter.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 91b3bcfd9acb..983582526b37 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -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);