New upstream version 18.11-rc3

[deb_dpdk.git] / drivers / net / virtio / virtio_pci.c

diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index b6a3c80..c8883c3 100644 (file)
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -166,12 +166,6 @@ legacy_set_status(struct virtio_hw *hw, uint8_t status)
        rte_pci_ioport_write(VTPCI_IO(hw), &status, 1, VIRTIO_PCI_STATUS);
 }
 
-static void
-legacy_reset(struct virtio_hw *hw)
-{
-       legacy_set_status(hw, VIRTIO_CONFIG_STATUS_RESET);
-}
-
 static uint8_t
 legacy_get_isr(struct virtio_hw *hw)
 {
@@ -250,7 +244,6 @@ legacy_notify_queue(struct virtio_hw *hw, struct virtqueue *vq)
 const struct virtio_pci_ops legacy_ops = {
        .read_dev_cfg   = legacy_read_dev_config,
        .write_dev_cfg  = legacy_write_dev_config,
-       .reset          = legacy_reset,
        .get_status     = legacy_get_status,
        .set_status     = legacy_set_status,
        .get_features   = legacy_get_features,
@@ -339,13 +332,6 @@ modern_set_status(struct virtio_hw *hw, uint8_t status)
        rte_write8(status, &hw->common_cfg->device_status);
 }
 
-static void
-modern_reset(struct virtio_hw *hw)
-{
-       modern_set_status(hw, VIRTIO_CONFIG_STATUS_RESET);
-       modern_get_status(hw);
-}
-
 static uint8_t
 modern_get_isr(struct virtio_hw *hw)
 {
@@ -438,7 +424,6 @@ modern_notify_queue(struct virtio_hw *hw __rte_unused, struct virtqueue *vq)
 const struct virtio_pci_ops modern_ops = {
        .read_dev_cfg   = modern_read_dev_config,
        .write_dev_cfg  = modern_write_dev_config,
-       .reset          = modern_reset,
        .get_status     = modern_get_status,
        .set_status     = modern_set_status,
        .get_features   = modern_get_features,
@@ -629,9 +614,15 @@ virtio_read_caps(struct rte_pci_device *dev, struct virtio_hw *hw)
                        hw->common_cfg = get_cfg_addr(dev, &cap);
                        break;
                case VIRTIO_PCI_CAP_NOTIFY_CFG:
-                       rte_pci_read_config(dev, &hw->notify_off_multiplier,
+                       ret = rte_pci_read_config(dev,
+                                       &hw->notify_off_multiplier,
                                        4, pos + sizeof(cap));
-                       hw->notify_base = get_cfg_addr(dev, &cap);
+                       if (ret != 4)
+                               PMD_INIT_LOG(DEBUG,
+                                       "failed to read notify_off_multiplier, ret %d",
+                                       ret);
+                       else
+                               hw->notify_base = get_cfg_addr(dev, &cap);
                        break;
                case VIRTIO_PCI_CAP_DEVICE_CFG:
                        hw->dev_cfg = get_cfg_addr(dev, &cap);