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improved networks stack & DHCP server

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Djeeberjr 2025-10-27 15:33:19 +01:00
parent c0bf8399a3
commit 7346fb42bd
1 changed files with 19 additions and 26 deletions
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71
src/init/network.rs
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@ -1,48 +1,41 @@
use core::{net::Ipv4Addr, str::FromStr};
use embassy_executor::Spawner;
use embassy_net::{Ipv4Cidr, Runner, Stack, StackResources, StaticConfigV4};
use embassy_time::{Duration, Timer};
use esp_radio::wifi::WifiDevice;
use static_cell::make_static;
use crate::webserver::WEB_TAKS_SIZE;
pub const NETWORK_STACK_SIZE: usize = WEB_TAKS_SIZE + 2; // + 2 for other network taks. Breaks
// without
pub fn setup_network<'a>(seed: u64, wifi: WifiDevice<'static>, spawner: Spawner) -> Stack<'a> {
let gw_ip_addr_str = "192.168.2.1";
let gw_ip_addr = Ipv4Addr::from_str(gw_ip_addr_str).expect("failed to parse gateway ip");
let config = embassy_net::Config::ipv4_static(StaticConfigV4 {
address: Ipv4Cidr::new(gw_ip_addr, 24),
gateway: Some(gw_ip_addr),
dns_servers: Default::default(),
});
let nw_stack: &'static mut StackResources<NETWORK_STACK_SIZE> =
make_static!(StackResources::<NETWORK_STACK_SIZE>::new());
let (stack, runner) = embassy_net::new(wifi, config, nw_stack, seed);
spawner.must_spawn(net_task(runner));
spawner.must_spawn(run_dhcp(stack, gw_ip_addr_str));
stack
}
#[embassy_executor::task]
async fn run_dhcp(stack: Stack<'static>, gw_ip_addr: &'static str) {
use core::net::{Ipv4Addr, SocketAddrV4};
use edge_dhcp::{
io::{self, DEFAULT_SERVER_PORT},
server::{Server, ServerOptions},
};
use edge_nal::UdpBind;
use edge_nal_embassy::{Udp, UdpBuffers};
use embassy_executor::Spawner;
use embassy_net::{Ipv4Cidr, Runner, Stack, StackResources, StaticConfigV4};
use embassy_time::{Duration, Timer};
use esp_radio::wifi::WifiDevice;
use static_cell::StaticCell;
let ip = Ipv4Addr::from_str(gw_ip_addr).expect("dhcp task failed to parse gw ip");
use crate::webserver::WEB_TAKS_SIZE;
pub const NETWORK_STACK_SIZE: usize = WEB_TAKS_SIZE + 2; // + 2 for other network taks. Breaks without
pub const GW_IP: Ipv4Addr = Ipv4Addr::new(192, 168, 2, 1);
pub fn setup_network<'a>(seed: u64, wifi: WifiDevice<'static>, spawner: Spawner) -> Stack<'a> {
let config = embassy_net::Config::ipv4_static(StaticConfigV4 {
address: Ipv4Cidr::new(GW_IP, 24),
gateway: Some(GW_IP),
dns_servers: Default::default(),
});
static NETWORK_STACK: StaticCell<StackResources<NETWORK_STACK_SIZE>> = StaticCell::new();
let nw_stack = NETWORK_STACK.init(StackResources::new());
let (stack, runner) = embassy_net::new(wifi, config, nw_stack, seed);
spawner.must_spawn(net_task(runner));
spawner.must_spawn(run_dhcp(stack));
stack
}
#[embassy_executor::task]
async fn run_dhcp(stack: Stack<'static>) {
let mut buf = [0u8; 1500];
let mut gw_buf = [Ipv4Addr::UNSPECIFIED];
@ -55,12 +48,12 @@ async fn run_dhcp(stack: Stack<'static>, gw_ip_addr: &'static str) {
DEFAULT_SERVER_PORT,
)))
.await
.unwrap();
.expect("Failed to bind socket for DHCP server");
loop {
_ = io::server::run(
&mut Server::<_, 64>::new_with_et(ip),
&ServerOptions::new(ip, Some(&mut gw_buf)),
&mut Server::<_, 64>::new_with_et(GW_IP),
&ServerOptions::new(GW_IP, Some(&mut gw_buf)),
&mut bound_socket,
&mut buf,
)