feat(s2n-quic-dc): implement recv path packet pool

Author: camshaft

dc/s2n-quic-dc/Cargo.toml

@@ -12,7 +12,12 @@ exclude = ["corpus.tar.gz"]
 
 [features]
 default = ["tokio"]
-testing = ["bolero-generator", "s2n-quic-core/testing", "s2n-quic-platform/testing", "tracing-subscriber"]
+testing = [
+    "bolero-generator",
+    "s2n-quic-core/testing",
+    "s2n-quic-platform/testing",
+    "tracing-subscriber",
+]
 tokio = ["tokio/io-util", "tokio/net", "tokio/rt-multi-thread", "tokio/time"]
 
 [dependencies]
@@ -41,7 +46,9 @@ hashbrown = "0.15"
 thiserror = "2"
 tokio = { version = "1", default-features = false, features = ["sync"] }
 tracing = "0.1"
-tracing-subscriber = { version = "0.3", features = ["env-filter"], optional = true }
+tracing-subscriber = { version = "0.3", features = [
+    "env-filter",
+], optional = true }
 zerocopy = { version = "0.7", features = ["derive"] }
 zeroize = "1"
 parking_lot = "0.12"
@@ -53,13 +60,12 @@ bolero-generator = "0.13"
 insta = "1"
 s2n-codec = { path = "../../common/s2n-codec", features = ["testing"] }
 s2n-quic-core = { path = "../../quic/s2n-quic-core", features = ["testing"] }
-s2n-quic-platform = { path = "../../quic/s2n-quic-platform", features = ["testing"] }
+s2n-quic-platform = { path = "../../quic/s2n-quic-platform", features = [
+    "testing",
+] }
 tokio = { version = "1", features = ["full"] }
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 [lints.rust.unexpected_cfgs]
 level = "warn"
-check-cfg = [
-    'cfg(kani)',
-    'cfg(todo)',
-]
+check-cfg = ['cfg(fuzzing)', 'cfg(kani)', 'cfg(todo)']

dc/s2n-quic-dc/src/socket.rs

@@ -13,4 +13,6 @@ pub use bpf::Pair;
 #[cfg(not(target_os = "linux"))]
 pub use pair::Pair;
 
+pub mod recv;
+
 pub use s2n_quic_platform::socket::options::{Options, ReusePort};

dc/s2n-quic-dc/src/socket/recv.rs

@@ -0,0 +1,7 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+pub mod descriptor;
+pub mod pool;
+pub mod router;
+pub mod udp;

dc/s2n-quic-dc/src/socket/recv/__fuzz__/socket__recv__pool__tests__model/corpus.tar.gz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8cbb74f24a784d9c26aa6d4a973e600ef8545302e8f0e5e24612e0ac20a406ac
+size 2232320