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fix(net): make HdrGso an enum instead of a flag #2

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Merged
merged 2 commits into from
Jun 24, 2025
Merged

fix(net): make HdrGso an enum instead of a flag #2

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37a46c9
fix(net): make HdrGso an enum instead of a flag
mkroening Jun 23, 2025
bfd0526
docs: add warnings to ABI-incompatible enums
mkroening Jun 24, 2025
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40 changes: 22 additions & 18 deletions src/net.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -77,28 +77,32 @@ virtio_bitflags! {
}
}

virtio_bitflags! {
/// Network Device Header GSO Type
#[doc(alias = "VIRTIO_NET_HDR_GSO")]
pub struct HdrGso: u8 {
#[doc(alias = "VIRTIO_NET_HDR_GSO_NONE")]
const NONE = 0;
/// Network Device Header GSO Type
#[doc(alias = "VIRTIO_NET_HDR_GSO")]
#[derive(IntoPrimitive, FromPrimitive, PartialEq, Eq, Clone, Copy, Debug)]
#[non_exhaustive]
#[repr(u8)]
pub enum HdrGso {
#[doc(alias = "VIRTIO_NET_HDR_GSO_NONE")]
None = 0,

#[doc(alias = "VIRTIO_NET_HDR_GSO_TCPV4")]
const TCPV4 = 1;
#[doc(alias = "VIRTIO_NET_HDR_GSO_TCPV4")]
Tcpv4 = 1,

#[doc(alias = "VIRTIO_NET_HDR_GSO_UDP")]
const UDP = 3;
#[doc(alias = "VIRTIO_NET_HDR_GSO_UDP")]
Udp = 3,

#[doc(alias = "VIRTIO_NET_HDR_GSO_TCPV6")]
const TCPV6 = 4;
#[doc(alias = "VIRTIO_NET_HDR_GSO_TCPV6")]
Tcpv6 = 4,

#[doc(alias = "VIRTIO_NET_HDR_GSO_UDP_L4")]
const UDP_L4 = 5;
#[doc(alias = "VIRTIO_NET_HDR_GSO_UDP_L4")]
UdpL4 = 5,

#[doc(alias = "VIRTIO_NET_HDR_GSO_ECN")]
const ECN = 0x80;
}
#[doc(alias = "VIRTIO_NET_HDR_GSO_ECN")]
Ecn = 0x80,

#[num_enum(catch_all)]
Unknown(u8),
}

/// Network Device Header
Expand All @@ -116,7 +120,7 @@ virtio_bitflags! {
#[repr(C)]
pub struct Hdr {
pub flags: HdrF,
pub gso_type: HdrGso,
pub gso_type: u8,
pub hdr_len: le16,
pub gso_size: le16,
pub csum_start: le16,
Expand Down