This commit adds the support for netpoll, which is used
to implement netconsole.
Signed-off-by: Ezequiel Garcia <ezequ...@vanguardiasur.com.ar>
---
Tested on Armada 370 Mirabox and Armada XP Openblocks AX3-4
with netconsole.
drivers/net/ethernet/marvell/mvneta.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/net/ethernet/marvell/mvneta.c
b/drivers/net/ethernet/marvell/mvneta.c
index 577f7ca7deba..dd114303c98f 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3813,6 +3813,24 @@ static int mvneta_ethtool_get_rxfh(struct net_device
*dev, u32 *indir, u8 *key,
return 0;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void mvneta_percpu_poll_controller(void *arg)
+{
+ struct mvneta_port *pp = arg;
+ struct mvneta_pcpu_port *pcpu_port =
+ this_cpu_ptr(pp->ports);
+ mvneta_isr(pp->dev->irq, pcpu_port);
+}
+
+/* Polled functionality used by netconsole and others in non interrupt mode */
+static void mvneta_poll_controller(struct net_device *dev)
+{
+ struct mvneta_port *pp = netdev_priv(dev);
+
+ on_each_cpu(mvneta_percpu_poll_controller, pp, false);
+}
+#endif
+
static const struct net_device_ops mvneta_netdev_ops = {
.ndo_open = mvneta_open,
.ndo_stop = mvneta_stop,
@@ -3823,6 +3841,9 @@ static const struct net_device_ops mvneta_netdev_ops = {
.ndo_fix_features = mvneta_fix_features,
.ndo_get_stats64 = mvneta_get_stats64,
.ndo_do_ioctl = mvneta_ioctl,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = mvneta_poll_controller,
+#endif
};
const struct ethtool_ops mvneta_eth_tool_ops = {
--
2.7.0
