Bump smoltcp

See smoltcp-rs/smoltcp#924

firmware-binaries/examples/smoltcp_client/Cargo.toml

@@ -16,6 +16,6 @@ bittide-sys = { path = "../../../firmware-support/bittide-sys" }
 riscv-rt = "0.11.0"
 riscv = "^0.10"
 heapless = { version = "0.8", default-features = false}
-smoltcp = { version = "0.11", default-features = false, features = ["medium-ethernet", "proto-ipv4", "socket-tcp", "socket-dhcpv4"] }
+smoltcp = { git = "https://github.com/smoltcp-rs/smoltcp.git", rev = "dc08e0b42e668c331bb2b6f8d80016301d0efe03", default-features = false, features = ["medium-ethernet", "proto-ipv4", "socket-tcp", "socket-dhcpv4"] }
 ufmt = "0.2.0"
 log = {version = "0.4.21", features = ["max_level_off", "release_max_level_info"]}

firmware-support/bittide-sys/Cargo.toml

@@ -20,7 +20,7 @@ fdt = "0.1.0"
 heapless = { version = "0.8", features = ["ufmt"]}
 log = "0.4.21"
 rand = {version = "0.8.3", features = ["small_rng"], default-features = false }
-smoltcp = { version = "0.11", default-features = false, features = ["log", "medium-ethernet", "proto-ipv4", "socket-tcp"] }
+smoltcp = { git = "https://github.com/smoltcp-rs/smoltcp.git", rev = "dc08e0b42e668c331bb2b6f8d80016301d0efe03", default-features = false, features = ["log", "medium-ethernet", "proto-ipv4", "socket-tcp"] }
 ufmt = "0.2.0"
 
 [dev-dependencies]

firmware-support/bittide-sys/src/smoltcp/axi.rs

@@ -91,20 +91,13 @@ pub struct RxToken<'a, const BUFFER_SIZE: usize> {
 impl<const BUFFER_SIZE: usize> phy::RxToken for RxToken<'_, BUFFER_SIZE> {
     fn consume<R, F>(self, f: F) -> R
     where
-        F: FnOnce(&mut [u8]) -> R,
+        F: FnOnce(&[u8]) -> R,
     {
         // Get a slice containing the received data
         let buf = self.axi_rx.get_slice();
 
-        // TODO: This is a hack to get around the fact that the buffer is not mutable,
-        // but the smoltcp API requires it to be. This Should be fixed by
-        // https://github.com/smoltcp-rs/smoltcp/pull/924
-        #[allow(clippy::cast_ref_to_mut)]
-        let mutable_buf =
-            unsafe { core::slice::from_raw_parts_mut(buf.as_ptr().cast_mut(), buf.len()) };
-
         // Process the received data
-        let r = f(mutable_buf);
+        let r = f(buf);
 
         // Clear the packet and status registers
         self.axi_rx.clear_packet();