From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Weinberger Subject: [PATCH v3] hyperv: Add netpoll support Date: Wed, 9 Jul 2014 16:23:59 +0200 Message-ID: <1404915839-15940-1-git-send-email-richard@nod.at> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: sergei.shtylyov@cogentembedded.com, Richard Weinberger , romieu@fr.zoreil.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, devel@linuxdriverproject.org To: kys@microsoft.com, haiyangz@microsoft.com Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: driverdev-devel-bounces@linuxdriverproject.org List-Id: netdev.vger.kernel.org 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 --- drivers/net/hyperv/netvsc_drv.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 4fd71b7..fcf3be7 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -736,6 +736,14 @@ 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, @@ -751,6 +759,9 @@ 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 }; /* -- 2.0.1