summaryrefslogtreecommitdiff
path: root/drivers/net/hyperv/hyperv_net.h
diff options
context:
space:
mode:
authorHaiyang Zhang <haiyangz@microsoft.com>2021-03-29 16:21:35 -0700
committerDavid S. Miller <davem@davemloft.net>2021-03-29 16:35:59 -0700
commitd0922bf7981799fd86e248de330fb4152399d6c2 (patch)
treeeaf3f9ef4abb68c4788133904ed8c1966a5f9a5e /drivers/net/hyperv/hyperv_net.h
parentd24f511b04b8b159b705ec32a3b8782667d1b06a (diff)
hv_netvsc: Add error handling while switching data path
Add error handling in case of failure to send switching data path message to the host. Reported-by: Shachar Raindel <shacharr@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
-rw-r--r--drivers/net/hyperv/hyperv_net.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 59ac04a610ad..442c520ab8f3 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -269,7 +269,7 @@ int rndis_filter_receive(struct net_device *ndev,
int rndis_filter_set_device_mac(struct netvsc_device *ndev,
const char *mac);
-void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
+int netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
@@ -1718,4 +1718,8 @@ struct rndis_message {
#define TRANSPORT_INFO_IPV6_TCP 0x10
#define TRANSPORT_INFO_IPV6_UDP 0x20
+#define RETRY_US_LO 5000
+#define RETRY_US_HI 10000
+#define RETRY_MAX 2000 /* >10 sec */
+
#endif /* _HYPERV_NET_H */