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25 lines
607 B
Rust
25 lines
607 B
Rust
#![no_std]
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#![no_main]
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use aya_ebpf::{bindings::xdp_action, macros::xdp, programs::XdpContext};
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// Note: the `frags` attribute causes this probe to be incompatible with kernel versions < 5.18.0.
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// See https://github.com/torvalds/linux/commit/c2f2cdb.
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#[xdp(frags)]
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pub fn pass(ctx: XdpContext) -> u32 {
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match unsafe { try_pass(ctx) } {
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Ok(ret) => ret,
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Err(_) => xdp_action::XDP_ABORTED,
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}
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}
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unsafe fn try_pass(_ctx: XdpContext) -> Result<u32, u32> {
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Ok(xdp_action::XDP_PASS)
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}
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#[cfg(not(test))]
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#[panic_handler]
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fn panic(_info: &core::panic::PanicInfo) -> ! {
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loop {}
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}
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