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hyperv: Add netpoll support

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In order to have at least a netconsole to debug kernel issues on
Windows Azure this patch implements netpoll support.
Sending packets is easy, netvsc_start_xmit() does already everything
needed.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Weinberger 2014-07-09 16:23:59 +02:00 committed by David S. Miller
parent 917ac48d94
commit 316158feff
1 changed files with 11 additions and 0 deletions
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11
drivers/net/hyperv/netvsc_drv.c
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@ -749,6 +749,14 @@ static int netvsc_set_mac_addr(struct net_device *ndev, void *p)
return err;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void netvsc_poll_controller(struct net_device *net)
{
/* As netvsc_start_xmit() works synchronous we don't have to
* trigger anything here.
*/
}
#endif
static const struct ethtool_ops ethtool_ops = {
.get_drvinfo = netvsc_get_drvinfo,
@ -764,6 +772,9 @@ static const struct net_device_ops device_ops = {
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = netvsc_set_mac_addr,
.ndo_select_queue = netvsc_select_queue,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = netvsc_poll_controller,
#endif
};
/*