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net_util: Derive thiserror::Error

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Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen
2022-08-10 14:58:36 -07:00
committed by Rob Bradford
parent 6a1e637a46
commit f39b08f21f
6 changed files with 42 additions and 35 deletions
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27
net_util/src/queue_pair.rs
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@@ -10,6 +10,7 @@ use std::num::Wrapping;
use std::os::unix::io::{AsRawFd, RawFd};
use std::sync::atomic::{AtomicU64, Ordering};
use std::sync::Arc;
use thiserror::Error;
use virtio_queue::{Queue, QueueOwnedT, QueueT};
use vm_memory::{Bytes, GuestMemory};
use vm_virtio::{AccessPlatform, Translatable};
@@ -285,31 +286,31 @@ pub struct NetCounters {
pub rx_frames: Arc<AtomicU64>,
}
#[derive(Debug)]
#[derive(Error, Debug)]
pub enum NetQueuePairError {
/// No memory configured
#[error("No memory configured.")]
NoMemoryConfigured,
/// Error registering listener
#[error("Error registering listener: {0}")]
RegisterListener(io::Error),
/// Error unregistering listener
#[error("Error unregistering listener: {0}")]
UnregisterListener(io::Error),
/// Error writing to the TAP device
#[error("Error writing to the TAP device: {0}")]
WriteTap(io::Error),
/// Error reading from the TAP device
#[error("Error reading from the TAP device: {0}")]
ReadTap(io::Error),
/// Error related to guest memory
#[error("Error related to guest memory: {0}")]
GuestMemory(vm_memory::GuestMemoryError),
/// Returned an error while iterating through the queue
#[error("Returned an error while iterating through the queue: {0}")]
QueueIteratorFailed(virtio_queue::Error),
/// Descriptor chain is too short
#[error("Descriptor chain is too short.")]
DescriptorChainTooShort,
/// Descriptor chain does not contain valid descriptors
#[error("Descriptor chain does not contain valid descriptors.")]
DescriptorChainInvalid,
/// Failed to determine if queue needed notification
#[error("Failed to determine if queue needed notification: {0}")]
QueueNeedsNotification(virtio_queue::Error),
/// Failed to enable notification on the queue
#[error("Failed to enable notification on the queue: {0}")]
QueueEnableNotification(virtio_queue::Error),
/// Failed to add used index to the queue
#[error("Failed to add used index to the queue: {0}")]
QueueAddUsed(virtio_queue::Error),
}