Initial Commit

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>

.gitignore

@@ -0,0 +1,13 @@
+### https://raw.github.com/github/gitignore/master/Rust.gitignore
+
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk

Cargo.toml

@@ -0,0 +1,2 @@
+[workspace]
+members = ["{{project-name}}", "{{project-name}}-common"]

README.md

@@ -0,0 +1,27 @@
+# {{project-name}}
+
+## Prerequisites
+
+1. Install a rust stable toolchain: `rustup install stable`
+1. Install a rust nightly toolchain: `rustup install nightly`
+1. Install bpf-linker: `cargo install bpf-linker`
+
+## Build eBPF
+
+```bash
+pushd {{project-name}}-ebpf
+cargo +nightly build
+popd
+```
+
+## Build Userspace
+
+```bash
+cargo build
+```
+
+## Run
+
+```bash
+cargo run --package {{project-name}} -bin {{project-name}}
+```

{{project-name}}-common/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "{{project-name}}-common"
+version = "0.1.0"
+edition = "2018"
+
+[features]
+default = []
+userspace = [ "aya" ]
+
+[dependencies]
+aya = { git = "https://github.com/alessandrod/aya", branch="main", optional=true }
+
+[lib]
+path = "src/lib.rs"

{{project-name}}-common/src/lib.rs

@@ -0,0 +1 @@
+#![no_std]

{{project-name}}-ebpf/.cargo/config.toml

@@ -0,0 +1,9 @@
+[build]
+target-dir = "../target"
+target = "bpfel-unknown-none"
+
+[target.bpfel-unknown-none]
+rustflags = "-Z build-std=core --target bpfel-unknown-none"
+
+[target.bpfeb-unknown-none]
+rustflags = "-Z build-std=core --target bpfel-unknown-none"

{{project-name}}-ebpf/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "{{project-name}}-ebpf"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+aya-bpf = { git = "http://github.com/alessandrod/aya", branch = "main" }
+{{project-name}}-common = { path = "../{{project-name}}-common" }
+
+[[bin]]
+name = "{{project-name}}"
+path = "src/main.rs"
+
+[profile.dev]
+panic = "abort"
+overflow-checks = false
+
+[profile.release]
+panic = "abort"
+
+[workspace]
+members = []

{{project-name}}-ebpf/src/main.rs

@@ -0,0 +1,7 @@
+#![no_std]
+#![no_main]
+
+#[panic_handler]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+    unreachable!()
+}

{{project-name}}/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "{{project-name}}"
+version = "0.1.0"
+edition = "2018"
+publish = false
+
+[dependencies]
+aya = { git = "https://github.com/alessandrod/aya", branch="main", optional=true }
+{{project-name}}-common = { path = "../{{project-name}}-common", features=["userspace"] }
+anyhow = "1.0.42"
+
+[[bin]]
+name = "{{project-name}}"
+path = "src/main.rs"

{{project-name}}/src/main.rs

@@ -0,0 +1,9 @@
+fn main() {
+    if let Err(e) = try_main() {
+        eprintln!("error: {:#}", e);
+    }
+}
+
+fn try_main() -> Result<(), anyhow::Error> {
+    Ok(())
+}