build(deps): update bitflags requirement from 1.2.1 to 2.2.1

Updates the requirements on [bitflags](https://github.com/bitflags/bitflags) to permit the latest version.
- [Release notes](https://github.com/bitflags/bitflags/releases)
- [Changelog](https://github.com/bitflags/bitflags/blob/main/CHANGELOG.md)
- [Commits](https://github.com/bitflags/bitflags/compare/1.2.1...2.2.1)

aya/Cargo.toml

@@ -15,7 +15,7 @@ libc = { version = "0.2.105" }
 aya-obj = { path = "../aya-obj", version = "0.1.0", features = ["std"] }
 thiserror = "1"
 object = { version = "0.31", default-features = false, features = ["std", "read_core", "elf"] }
-bitflags = "1.2.1"
+bitflags = "2.2.1"
 bytes = "1"
 lazy_static = "1"
 parking_lot = { version = "0.12.0", features = ["send_guard"] }

aya/src/bpf.rs

@@ -125,13 +125,14 @@ pub struct BpfLoader<'a> {
 
 bitflags! {
     /// Used to set the verifier log level flags in [BpfLoader](BpfLoader::verifier_log_level()).
+    #[derive(Debug)]
     pub struct VerifierLogLevel: u32 {
         /// Sets no verifier logging.
         const DISABLE = 0;
         /// Enables debug verifier logging.
         const DEBUG = 1;
         /// Enables verbose verifier logging.
-        const VERBOSE = 2 | Self::DEBUG.bits;
+        const VERBOSE = 2 | Self::DEBUG.bits();
         /// Enables verifier stats.
         const STATS = 4;
     }
@@ -139,9 +140,7 @@ bitflags! {
 
 impl Default for VerifierLogLevel {
     fn default() -> Self {
-        Self {
+        Self::DEBUG | Self::STATS
-            bits: Self::DEBUG.bits | Self::STATS.bits,
-        }
     }
 }
 
@@ -339,7 +338,7 @@ impl<'a> BpfLoader<'a> {
     /// # Ok::<(), aya::BpfError>(())
     /// ```
     pub fn load(&mut self, data: &[u8]) -> Result<Bpf, BpfError> {
-        let verifier_log_level = self.verifier_log_level.bits;
+        let verifier_log_level = self.verifier_log_level.bits();
         let mut obj = Object::parse(data)?;
         obj.patch_map_data(self.globals.clone())?;
 

aya/src/programs/xdp.rs

@@ -35,7 +35,7 @@ pub enum XdpError {
 
 bitflags! {
     /// Flags passed to [`Xdp::attach()`].
-    #[derive(Default)]
+    #[derive(Clone, Copy, Debug, Default)]
     pub struct XdpFlags: u32 {
         /// Skb mode.
         const SKB_MODE = XDP_FLAGS_SKB_MODE;
@@ -128,7 +128,7 @@ impl Xdp {
 
         let k_ver = kernel_version().unwrap();
         if k_ver >= (5, 9, 0) {
-            let link_fd = bpf_link_create(prog_fd, if_index, BPF_XDP, None, flags.bits).map_err(
+            let link_fd = bpf_link_create(prog_fd, if_index, BPF_XDP, None, flags.bits()).map_err(
                 |(_, io_error)| ProgramError::SyscallError {
                     call: "bpf_link_create".to_owned(),
                     io_error,
@@ -138,7 +138,7 @@ impl Xdp {
                 .links
                 .insert(XdpLink::new(XdpLinkInner::FdLink(FdLink::new(link_fd))))
         } else {
-            unsafe { netlink_set_xdp_fd(if_index, prog_fd, None, flags.bits) }
+            unsafe { netlink_set_xdp_fd(if_index, prog_fd, None, flags.bits()) }
                 .map_err(|io_error| XdpError::NetlinkError { io_error })?;
 
             self.data
@@ -226,9 +226,9 @@ impl Link for NlLink {
     fn detach(self) -> Result<(), ProgramError> {
         let k_ver = kernel_version().unwrap();
         let flags = if k_ver >= (5, 7, 0) {
-            self.flags.bits | XDP_FLAGS_REPLACE
+            self.flags.bits() | XDP_FLAGS_REPLACE
         } else {
-            self.flags.bits
+            self.flags.bits()
         };
         let _ = unsafe { netlink_set_xdp_fd(self.if_index, -1, Some(self.prog_fd), flags) };
         Ok(())