Add some config validations from esp-idf (esp-rs#325)

esp-wifi/Cargo.toml

@@ -33,6 +33,9 @@ cfg-if.workspace = true
 atomic-polyfill = { workspace = true }
 atomic_enum = { workspace = true }
 
+[build-dependencies]
+toml-cfg.workspace = true
+
 [features]
 default = [ "utils", "log" ]
 

esp-wifi/build.rs

@@ -11,12 +11,10 @@ fn main() -> Result<(), String> {
         Ok(level) => {
             if level != "2" && level != "3" {
                 let message = format!(
-                    "esp-wifi should be built with optimization level 2 or 3 - yours is {}. 
+                    "esp-wifi should be built with optimization level 2 or 3 - yours is {level}. 
                     See https://github.com/esp-rs/esp-wifi",
-                    level
-                )
-                .to_string();
-                println!("cargo:warning={}", message);
+                );
+                print_warning(message);
             }
         }
         Err(_err) => (),
@@ -43,6 +41,8 @@ fn main() -> Result<(), String> {
     #[cfg(feature = "coex")]
     println!("cargo:rustc-cfg=coex");
 
+    validate_config();
+
     let version_output = std::process::Command::new(
         std::env::var_os("RUSTC").unwrap_or_else(|| std::ffi::OsString::from("rustc")),
     )
@@ -115,3 +115,66 @@ impl PartialOrd for Version4 {
         self.3.partial_cmp(&other.3)
     }
 }
+
+fn print_warning(message: impl core::fmt::Display) {
+    println!("cargo:warning={}", message);
+}
+
+#[toml_cfg::toml_config]
+/// Tunable parameters for the WiFi driver
+struct Config {
+    #[default(5)]
+    rx_queue_size: usize,
+    #[default(3)]
+    tx_queue_size: usize,
+    #[default(10)]
+    static_rx_buf_num: usize,
+    #[default(32)]
+    dynamic_rx_buf_num: usize,
+    #[default(0)]
+    static_tx_buf_num: usize,
+    #[default(32)]
+    dynamic_tx_buf_num: usize,
+    #[default(0)]
+    ampdu_rx_enable: usize,
+    #[default(0)]
+    ampdu_tx_enable: usize,
+    #[default(0)]
+    amsdu_tx_enable: usize,
+    #[default(6)]
+    rx_ba_win: usize,
+    #[default(1)]
+    max_burst_size: usize,
+    #[default("CN")]
+    country_code: &'static str,
+    #[default(0)]
+    country_code_operating_class: u8,
+    #[default(1492)]
+    mtu: usize,
+    #[default(65536)]
+    heap_size: usize,
+    #[default(200)]
+    tick_rate_hz: u32,
+    #[default(3)]
+    listen_interval: u16,
+    #[default(6)]
+    beacon_timeout: u16,
+    #[default(300)]
+    ap_beacon_timeout: u16,
+    #[default(1)]
+    failure_retry_cnt: u8,
+    #[default(0)]
+    scan_method: u32,
+}
+
+fn validate_config() {
+    if CONFIG.rx_ba_win > CONFIG.dynamic_rx_buf_num {
+        print_warning(
+            "WiFi configuration check: rx_ba_win should not be larger than dynamic_rx_buf_num!",
+        );
+    }
+
+    if CONFIG.rx_ba_win > (CONFIG.static_rx_buf_num * 2) {
+        print_warning("WiFi configuration check: rx_ba_win should not be larger than double of the static_rx_buf_num!");
+    }
+}