[PATCH V6 21/21] net-next/hinic: Add netpoll

From: Aviad Krawczyk
Date: Thu Aug 17 2017 - 08:27:14 EST


Add more netdev operation - netpoll.

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@xxxxxxxxxx>
Signed-off-by: Zhao Chen <zhaochen6@xxxxxxxxxx>
---
MAINTAINERS | 7 +++++++
drivers/net/ethernet/huawei/hinic/hinic_main.c | 20 ++++++++++++++++++++
2 files changed, 27 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 0e967b3..8f9ea9b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6240,6 +6240,13 @@ L: linux-input@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/input/touchscreen/htcpen.c

+HUAWEI ETHERNET DRIVER
+M: Aviad Krawczyk <aviad.krawczyk@xxxxxxxxxx>
+L: netdev@xxxxxxxxxxxxxxx
+S: Supported
+F: Documentation/networking/hinic.txt
+F: drivers/net/ethernet/huawei/hinic/
+
HUGETLB FILESYSTEM
M: Nadia Yvette Chambers <nyc@xxxxxxxxxxxxxx>
S: Maintained
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index a77a7f8..59f3358 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -787,6 +787,23 @@ static void hinic_get_stats64(struct net_device *netdev,
stats->tx_errors = nic_tx_stats->tx_dropped;
}

+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void hinic_netpoll(struct net_device *netdev)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ int i, num_qps;
+
+ num_qps = hinic_hwdev_num_qps(nic_dev->hwdev);
+ for (i = 0; i < num_qps; i++) {
+ struct hinic_txq *txq = &nic_dev->txqs[i];
+ struct hinic_rxq *rxq = &nic_dev->rxqs[i];
+
+ napi_schedule(&txq->napi);
+ napi_schedule(&rxq->napi);
+ }
+}
+#endif
+
static const struct net_device_ops hinic_netdev_ops = {
.ndo_open = hinic_open,
.ndo_stop = hinic_close,
@@ -799,6 +816,9 @@ static void hinic_get_stats64(struct net_device *netdev,
.ndo_start_xmit = hinic_xmit_frame,
.ndo_tx_timeout = hinic_tx_timeout,
.ndo_get_stats64 = hinic_get_stats64,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = hinic_netpoll,
+#endif
};

static void netdev_features_init(struct net_device *netdev)
--
1.9.1