net/hns3: support flow control

[dpdk.git] / drivers / net / virtio / virtio_ethdev.c

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 1ba4aa3..7261109 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -43,8 +43,8 @@ static int  virtio_dev_start(struct rte_eth_dev *dev);
 static void virtio_dev_stop(struct rte_eth_dev *dev);
 static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev);
 static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev);
-static void virtio_dev_allmulticast_enable(struct rte_eth_dev *dev);
-static void virtio_dev_allmulticast_disable(struct rte_eth_dev *dev);
+static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev);
+static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev);
 static int virtio_dev_info_get(struct rte_eth_dev *dev,
                                struct rte_eth_dev_info *dev_info);
 static int virtio_dev_link_update(struct rte_eth_dev *dev,
@@ -61,7 +61,7 @@ static int virtio_dev_xstats_get(struct rte_eth_dev *dev,
 static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
                                       struct rte_eth_xstat_name *xstats_names,
                                       unsigned limit);
-static void virtio_dev_stats_reset(struct rte_eth_dev *dev);
+static int virtio_dev_stats_reset(struct rte_eth_dev *dev);
 static void virtio_dev_free_mbufs(struct rte_eth_dev *dev);
 static int virtio_vlan_filter_set(struct rte_eth_dev *dev,
                                uint16_t vlan_id, int on);
@@ -800,7 +800,7 @@ virtio_dev_promiscuous_disable(struct rte_eth_dev *dev)
        return 0;
 }
 
-static void
+static int
 virtio_dev_allmulticast_enable(struct rte_eth_dev *dev)
 {
        struct virtio_hw *hw = dev->data->dev_private;
@@ -810,7 +810,7 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev)
 
        if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
                PMD_INIT_LOG(INFO, "host does not support rx control");
-               return;
+               return -ENOTSUP;
        }
 
        ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
@@ -819,11 +819,15 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev)
        dlen[0] = 1;
 
        ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1);
-       if (ret)
+       if (ret) {
                PMD_INIT_LOG(ERR, "Failed to enable allmulticast");
+               return -EAGAIN;
+       }
+
+       return 0;
 }
 
-static void
+static int
 virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
 {
        struct virtio_hw *hw = dev->data->dev_private;
@@ -833,7 +837,7 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
 
        if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
                PMD_INIT_LOG(INFO, "host does not support rx control");
-               return;
+               return -ENOTSUP;
        }
 
        ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
@@ -842,8 +846,12 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
        dlen[0] = 1;
 
        ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1);
-       if (ret)
+       if (ret) {
                PMD_INIT_LOG(ERR, "Failed to disable allmulticast");
+               return -EAGAIN;
+       }
+
+       return 0;
 }
 
 #define VLAN_TAG_LEN           4    /* 802.3ac tag (not DMA'd) */
@@ -1076,7 +1084,7 @@ virtio_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
        return 0;
 }
 
-static void
+static int
 virtio_dev_stats_reset(struct rte_eth_dev *dev)
 {
        unsigned int i;
@@ -1107,6 +1115,8 @@ virtio_dev_stats_reset(struct rte_eth_dev *dev)
                memset(rxvq->stats.size_bins, 0,
                       sizeof(rxvq->stats.size_bins[0]) * 8);
        }
+
+       return 0;
 }
 
 static void