porting lwip

change license and rollback smoltcp version

rewrite lwip addr Ipv4Addr

rewrite lwip addr Ipv4Addr

set sched_rr to be default feature.

Support relative paths

add tty support

fix bugs in mremap and 9p's rename

merge upstream dev

.github/workflows/build.yml

@@ -12,13 +12,17 @@ jobs:
       fail-fast: false
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
         toolchain: ${{ env.rust-toolchain }}
         components: rust-src, clippy, rustfmt
+    - name: Install gcc multilib
+      run: sudo apt update && sudo apt install -y gcc-multilib
     - name: Clippy for the default target
-      run: make clippy
+      run: make clippy        
     - name: Clippy for x86_64
       run: make clippy ARCH=x86_64
     - name: Clippy for riscv64
@@ -37,6 +41,8 @@ jobs:
         arch: [x86_64, riscv64, aarch64]
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
@@ -47,6 +53,8 @@ jobs:
         crate: cargo-binutils
         version: latest
         use-tool-cache: true
+    - name: Install gcc multilib
+      run: sudo apt update && sudo apt install -y gcc-multilib
     # musl toolchain is also needed in non-musl apps
     # because we need to build opensbi under riscv64
     - uses: ./.github/workflows/actions/setup-musl

.github/workflows/docs.yml

@@ -16,10 +16,14 @@ jobs:
       default-branch: ${{ format('refs/heads/{0}', github.event.repository.default_branch) }}
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
         toolchain: ${{ env.rust-toolchain }}
+    - name: Install gcc multilib
+      run: sudo apt update && sudo apt install -y gcc-multilib
     - name: Build docs
       continue-on-error: ${{ github.ref != env.default-branch && github.event_name != 'pull_request' }}
       run: make doc_check_missing

.github/workflows/test.yml

@@ -11,11 +11,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
         toolchain: ${{ env.rust-toolchain }}
-        components: rust-src
+        components: rust-src, llvm-tools-preview
     - name: Run unit tests
       run: make unittest_no_fail_fast
 
@@ -28,16 +30,20 @@ jobs:
         arch: [x86_64, riscv64, aarch64]
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - uses: actions-rs/toolchain@v1
       with:
         profile: minimal
         toolchain: ${{ env.rust-toolchain }}
-        components: rust-src
+        components: rust-src, llvm-tools-preview
     - uses: actions-rs/[email protected]
       with:
         crate: cargo-binutils
         version: latest
         use-tool-cache: true
+    - name: Install gcc multilib
+      run: sudo apt update && sudo apt install -y gcc-multilib
     - uses: ./.github/workflows/actions/setup-qemu
       with:
         qemu-version: ${{ env.qemu-version }}

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "patches/opensbi"]
 	path = patches/opensbi
 	url = https://github.com/Sssssaltyfish/opensbi.git
+[submodule "crates/lwip_rust/depend/lwip"]
+	path = crates/lwip_rust/depend/lwip
+	url = https://github.com/lwip-tcpip/lwip.git