support no tun mode (#141)

Cargo.lock

@@ -1084,6 +1084,38 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "defmt"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a99dd22262668b887121d4672af5a64b238f026099f1a2a1b322066c9ecfe9e0"
+dependencies = [
+ "bitflags 1.3.2",
+ "defmt-macros",
+]
+
+[[package]]
+name = "defmt-macros"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9f309eff1f79b3ebdf252954d90ae440599c26c2c553fe87a2d17195f2dcb"
+dependencies = [
+ "defmt-parser",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.65",
+]
+
+[[package]]
+name = "defmt-parser"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff4a5fefe330e8d7f31b16a318f9ce81000d8e35e69b93eae154d16d2278f70f"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -1244,6 +1276,7 @@ dependencies = [
  "network-interface",
  "nix 0.27.1",
  "once_cell",
+ "parking_lot",
  "percent-encoding",
  "petgraph",
  "pin-project-lite",
@@ -1259,6 +1292,7 @@ dependencies = [
  "rustls",
  "serde",
  "serial_test",
+ "smoltcp",
  "socket2",
  "stun_codec",
  "tabled",
@@ -1975,6 +2009,15 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -1994,13 +2037,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
 dependencies = [
  "atomic-polyfill",
- "hash32",
+ "hash32 0.2.1",
  "rustc_version",
  "serde",
  "spin 0.9.8",
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32 0.3.1",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "heck"
 version = "0.3.3"
@@ -2606,6 +2659,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "managed"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca88d725a0a943b096803bd34e73a4437208b6077654cc4ecb2947a5f91618d"
+
 [[package]]
 name = "markup5ever"
 version = "0.11.0"
@@ -3550,7 +3609,7 @@ checksum = "a55c51ee6c0db07e68448e336cf8ea4131a620edefebf9893e759b2d793420f8"
 dependencies = [
  "cobs",
  "embedded-io",
- "heapless",
+ "heapless 0.7.17",
  "serde",
 ]
 
@@ -4491,6 +4550,22 @@ version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
+[[package]]
+name = "smoltcp"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a1a996951e50b5971a2c8c0fa05a381480d70a933064245c4a223ddc87ccc97"
+dependencies = [
+ "bitflags 1.3.2",
+ "byteorder",
+ "cfg-if",
+ "defmt",
+ "heapless 0.8.0",
+ "libc",
+ "log",
+ "managed",
+]
+
 [[package]]
 name = "socket2"
 version = "0.5.7"