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net_gen: replace net_gen with libc

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The libc crate provides all functionality provided by the net_gen crate.
Removing the net_gen crate reduces the maintenance burden.

The switch to libc required some fixes, most notably the switch from a
`Vec<u8>` to a `CString` for the `net_util::Tap.if_name` field.

On-behalf-of: SAP julian.schindel@sap.com
Signed-off-by: Julian Schindel <julian.schindel@cyberus-technology.de>
This commit is contained in:
Julian Schindel
2026-03-13 15:11:14 +01:00
committed by Rob Bradford
parent 3a56f20ee1
commit 2b28c5b15a
17 changed files with 140 additions and 2215 deletions
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10
tpm/src/emulator.rs
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@@ -150,16 +150,16 @@ impl Emulator {
// SAFETY: FFI calls and return value of the unsafe call is checked
unsafe {
let tv = net_gen::iff::timeval {
let tv = libc::timeval {
tv_sec: 0,
tv_usec: 100000, // Set recv timeout to 100ms
};
let ret = net_gen::setsockopt(
let ret = libc::setsockopt(
fds[0],
net_gen::iff::SOL_SOCKET as i32,
net_gen::iff::SO_RCVTIMEO as i32,
libc::SOL_SOCKET,
libc::SO_RCVTIMEO,
&tv as *const _ as *const libc::c_void,
std::mem::size_of::<net_gen::iff::timeval>() as u32,
std::mem::size_of::<libc::timeval>() as u32,
);
if ret == -1 {
return Err(Error::PrepareDataFd(anyhow!(