Use a macro for program unload api

aya/src/programs/cgroup_skb.rs

@@ -10,8 +10,8 @@ use crate::{
         bpf_prog_type::BPF_PROG_TYPE_CGROUP_SKB,
     },
     programs::{
-        define_link_wrapper, load_program, unload_program, FdLink, Link, OwnedLink, ProgAttachLink,
-        ProgramData, ProgramError,
+        define_link_wrapper, load_program, FdLink, Link, OwnedLink, ProgAttachLink, ProgramData,
+        ProgramError,
     },
     sys::{bpf_link_create, bpf_prog_attach, kernel_version},
 };
@@ -72,14 +72,6 @@ impl CgroupSkb {
         load_program(BPF_PROG_TYPE_CGROUP_SKB, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Returns the expected attach type of the program.
     ///
     /// [`CgroupSkb`] programs can specify the expected attach type in their ELF

aya/src/programs/cgroup_sysctl.rs

@@ -7,8 +7,8 @@ use std::{
 use crate::{
     generated::{bpf_attach_type::BPF_CGROUP_SYSCTL, bpf_prog_type::BPF_PROG_TYPE_CGROUP_SYSCTL},
     programs::{
-        define_link_wrapper, load_program, unload_program, FdLink, Link, OwnedLink, ProgAttachLink,
-        ProgramData, ProgramError,
+        define_link_wrapper, load_program, FdLink, Link, OwnedLink, ProgAttachLink, ProgramData,
+        ProgramError,
     },
     sys::{bpf_link_create, bpf_prog_attach, kernel_version},
 };
@@ -59,14 +59,6 @@ impl CgroupSysctl {
         load_program(BPF_PROG_TYPE_CGROUP_SYSCTL, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given cgroup.
     ///
     /// The returned value can be used to detach, see [CgroupSysctl::detach].

aya/src/programs/fentry.rs

@@ -4,8 +4,8 @@ use crate::{
     generated::{bpf_attach_type::BPF_TRACE_FENTRY, bpf_prog_type::BPF_PROG_TYPE_TRACING},
     obj::btf::{Btf, BtfKind},
     programs::{
-        define_link_wrapper, load_program, unload_program, utils::attach_raw_tracepoint, FdLink,
-        FdLinkId, OwnedLink, ProgramData, ProgramError,
+        define_link_wrapper, load_program, utils::attach_raw_tracepoint, FdLink, FdLinkId,
+        OwnedLink, ProgramData, ProgramError,
     },
 };
 
@@ -62,14 +62,6 @@ impl FEntry {
         load_program(BPF_PROG_TYPE_TRACING, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program.
     ///
     /// The returned value can be used to detach, see [FEntry::detach].

aya/src/programs/fexit.rs

@@ -4,8 +4,8 @@ use crate::{
     generated::{bpf_attach_type::BPF_TRACE_FEXIT, bpf_prog_type::BPF_PROG_TYPE_TRACING},
     obj::btf::{Btf, BtfKind},
     programs::{
-        define_link_wrapper, load_program, unload_program, utils::attach_raw_tracepoint, FdLink,
-        FdLinkId, OwnedLink, ProgramData, ProgramError,
+        define_link_wrapper, load_program, utils::attach_raw_tracepoint, FdLink, FdLinkId,
+        OwnedLink, ProgramData, ProgramError,
     },
 };
 
@@ -62,14 +62,6 @@ impl FExit {
         load_program(BPF_PROG_TYPE_TRACING, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program.
     ///
     /// The returned value can be used to detach, see [FExit::detach].

aya/src/programs/kprobe.rs

@@ -12,8 +12,6 @@ use crate::{
     },
 };
 
-use super::unload_program;
-
 /// A kernel probe.
 ///
 /// Kernel probes are eBPF programs that can be attached to almost any function inside
@@ -51,14 +49,6 @@ impl KProbe {
         load_program(BPF_PROG_TYPE_KPROBE, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Returns `KProbe` if the program is a `kprobe`, or `KRetProbe` if the
     /// program is a `kretprobe`.
     pub fn kind(&self) -> ProbeKind {

aya/src/programs/lirc_mode2.rs

@@ -3,10 +3,7 @@ use std::os::unix::prelude::{AsRawFd, RawFd};
 
 use crate::{
     generated::{bpf_attach_type::BPF_LIRC_MODE2, bpf_prog_type::BPF_PROG_TYPE_LIRC_MODE2},
-    programs::{
-        load_program, query, unload_program, Link, OwnedLink, ProgramData, ProgramError,
-        ProgramInfo,
-    },
+    programs::{load_program, query, Link, OwnedLink, ProgramData, ProgramError, ProgramInfo},
     sys::{bpf_obj_get_info_by_fd, bpf_prog_attach, bpf_prog_detach, bpf_prog_get_fd_by_id},
 };
 
@@ -61,14 +58,6 @@ impl LircMode2 {
         load_program(BPF_PROG_TYPE_LIRC_MODE2, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given lirc device.
     ///
     /// The returned value can be used to detach, see [LircMode2::detach].

aya/src/programs/lsm.rs

@@ -3,8 +3,8 @@ use crate::{
     generated::{bpf_attach_type::BPF_LSM_MAC, bpf_prog_type::BPF_PROG_TYPE_LSM},
     obj::btf::{Btf, BtfKind},
     programs::{
-        define_link_wrapper, load_program, unload_program, utils::attach_raw_tracepoint, FdLink,
-        FdLinkId, OwnedLink, ProgramData, ProgramError,
+        define_link_wrapper, load_program, utils::attach_raw_tracepoint, FdLink, FdLinkId,
+        OwnedLink, ProgramData, ProgramError,
     },
 };
 
@@ -67,14 +67,6 @@ impl Lsm {
         load_program(BPF_PROG_TYPE_LSM, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program.
     ///
     /// The returned value can be used to detach, see [Lsm::detach].

aya/src/programs/mod.rs

@@ -552,6 +552,47 @@ impl<'a, P: ProgramFd> ProgramFd for &'a P {
     }
 }
 
+macro_rules! impl_program_unload {
+    ($($struct_name:ident),+ $(,)?) => {
+        $(
+            impl $struct_name {
+                /// Unloads the program from the kernel.
+                ///
+                /// If `detach` is true, links will be detached before unloading the program.
+                /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
+                pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
+                    unload_program(&mut self.data, detach)
+                }
+            }
+        )+
+    }
+}
+
+impl_program_unload!(
+    KProbe,
+    UProbe,
+    TracePoint,
+    SocketFilter,
+    Xdp,
+    SkMsg,
+    SkSkb,
+    SchedClassifier,
+    CgroupSkb,
+    CgroupSysctl,
+    CgroupSockopt,
+    LircMode2,
+    PerfEvent,
+    Lsm,
+    RawTracePoint,
+    BtfTracePoint,
+    FEntry,
+    FExit,
+    Extension,
+    CgroupSockAddr,
+    SkLookup,
+    SockOps
+);
+
 macro_rules! impl_program_fd {
     ($($struct_name:ident),+ $(,)?) => {
         $(

aya/src/programs/perf_event.rs

@@ -14,7 +14,7 @@ use crate::{
     programs::{
         load_program, perf_attach,
         perf_attach::{PerfLink, PerfLinkId},
-        unload_program, OwnedLink, ProgramData, ProgramError,
+        OwnedLink, ProgramData, ProgramError,
     },
     sys::perf_event_open,
 };
@@ -128,14 +128,6 @@ impl PerfEvent {
         load_program(BPF_PROG_TYPE_PERF_EVENT, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches to the given perf event.
     ///
     /// The possible values and encoding of the `config` argument depends on the

aya/src/programs/raw_trace_point.rs

@@ -4,8 +4,8 @@ use std::ffi::CString;
 use crate::{
     generated::bpf_prog_type::BPF_PROG_TYPE_RAW_TRACEPOINT,
     programs::{
-        define_link_wrapper, load_program, unload_program, utils::attach_raw_tracepoint, FdLink,
-        FdLinkId, OwnedLink, ProgramData, ProgramError,
+        define_link_wrapper, load_program, utils::attach_raw_tracepoint, FdLink, FdLinkId,
+        OwnedLink, ProgramData, ProgramError,
     },
 };
 
@@ -45,14 +45,6 @@ impl RawTracePoint {
         load_program(BPF_PROG_TYPE_RAW_TRACEPOINT, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given tracepoint.
     ///
     /// The returned value can be used to detach, see [RawTracePoint::detach].

aya/src/programs/sk_msg.rs

@@ -3,8 +3,8 @@ use crate::{
     generated::{bpf_attach_type::BPF_SK_MSG_VERDICT, bpf_prog_type::BPF_PROG_TYPE_SK_MSG},
     maps::sock::SocketMap,
     programs::{
-        define_link_wrapper, load_program, unload_program, OwnedLink, ProgAttachLink,
-        ProgAttachLinkId, ProgramData, ProgramError,
+        define_link_wrapper, load_program, OwnedLink, ProgAttachLink, ProgAttachLinkId,
+        ProgramData, ProgramError,
     },
     sys::bpf_prog_attach,
 };
@@ -69,14 +69,6 @@ impl SkMsg {
         load_program(BPF_PROG_TYPE_SK_MSG, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given sockmap.
     ///
     /// The returned value can be used to detach, see [SkMsg::detach].

aya/src/programs/sk_skb.rs

@@ -6,8 +6,8 @@ use crate::{
     },
     maps::sock::SocketMap,
     programs::{
-        define_link_wrapper, load_program, unload_program, OwnedLink, ProgAttachLink,
-        ProgAttachLinkId, ProgramData, ProgramError,
+        define_link_wrapper, load_program, OwnedLink, ProgAttachLink, ProgAttachLinkId,
+        ProgramData, ProgramError,
     },
     sys::bpf_prog_attach,
 };
@@ -62,14 +62,6 @@ impl SkSkb {
         load_program(BPF_PROG_TYPE_SK_SKB, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given socket map.
     ///
     /// The returned value can be used to detach, see [SkSkb::detach].

aya/src/programs/sock_ops.rs

@@ -4,8 +4,8 @@ use std::os::unix::io::AsRawFd;
 use crate::{
     generated::{bpf_attach_type::BPF_CGROUP_SOCK_OPS, bpf_prog_type::BPF_PROG_TYPE_SOCK_OPS},
     programs::{
-        define_link_wrapper, load_program, unload_program, OwnedLink, ProgAttachLink,
-        ProgAttachLinkId, ProgramData, ProgramError,
+        define_link_wrapper, load_program, OwnedLink, ProgAttachLink, ProgAttachLinkId,
+        ProgramData, ProgramError,
     },
     sys::bpf_prog_attach,
 };
@@ -56,14 +56,6 @@ impl SockOps {
         load_program(BPF_PROG_TYPE_SOCK_OPS, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given cgroup.
     ///
     /// The returned value can be used to detach, see [SockOps::detach].

aya/src/programs/socket_filter.rs

@@ -8,7 +8,7 @@ use thiserror::Error;
 
 use crate::{
     generated::{bpf_prog_type::BPF_PROG_TYPE_SOCKET_FILTER, SO_ATTACH_BPF, SO_DETACH_BPF},
-    programs::{load_program, unload_program, Link, OwnedLink, ProgramData, ProgramError},
+    programs::{load_program, Link, OwnedLink, ProgramData, ProgramError},
 };
 
 /// The type returned when attaching a [`SocketFilter`] fails.
@@ -70,14 +70,6 @@ impl SocketFilter {
         load_program(BPF_PROG_TYPE_SOCKET_FILTER, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the filter on the given socket.
     ///
     /// The returned value can be used to detach from the socket, see [SocketFilter::detach].

aya/src/programs/tc.rs

@@ -10,10 +10,7 @@ use crate::{
     generated::{
         bpf_prog_type::BPF_PROG_TYPE_SCHED_CLS, TC_H_CLSACT, TC_H_MIN_EGRESS, TC_H_MIN_INGRESS,
     },
-    programs::{
-        define_link_wrapper, load_program, unload_program, Link, OwnedLink, ProgramData,
-        ProgramError,
-    },
+    programs::{define_link_wrapper, load_program, Link, OwnedLink, ProgramData, ProgramError},
     sys::{
         netlink_find_filter_with_name, netlink_qdisc_add_clsact, netlink_qdisc_attach,
         netlink_qdisc_detach,
@@ -109,14 +106,6 @@ impl SchedClassifier {
         load_program(BPF_PROG_TYPE_SCHED_CLS, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given `interface`.
     ///
     /// The returned value can be used to detach, see [SchedClassifier::detach].

aya/src/programs/tp_btf.rs

@@ -3,8 +3,8 @@ use crate::{
     generated::{bpf_attach_type::BPF_TRACE_RAW_TP, bpf_prog_type::BPF_PROG_TYPE_TRACING},
     obj::btf::{Btf, BtfKind},
     programs::{
-        define_link_wrapper, load_program, unload_program, utils::attach_raw_tracepoint, FdLink,
-        FdLinkId, OwnedLink, ProgramData, ProgramError,
+        define_link_wrapper, load_program, utils::attach_raw_tracepoint, FdLink, FdLinkId,
+        OwnedLink, ProgramData, ProgramError,
     },
 };
 
@@ -65,14 +65,6 @@ impl BtfTracePoint {
         load_program(BPF_PROG_TYPE_TRACING, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program.
     ///
     /// The returned value can be used to detach, see [BtfTracePoint::detach].

aya/src/programs/trace_point.rs

@@ -12,8 +12,6 @@ use crate::{
     sys::perf_event_open_trace_point,
 };
 
-use super::unload_program;
-
 /// The type returned when attaching a [`TracePoint`] fails.
 #[derive(Debug, Error)]
 pub enum TracePointError {
@@ -73,14 +71,6 @@ impl TracePoint {
         load_program(BPF_PROG_TYPE_TRACEPOINT, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches to a given trace point.
     ///
     /// For a list of the available event categories and names, see

aya/src/programs/uprobe.rs

@@ -19,7 +19,7 @@ use crate::{
         define_link_wrapper, load_program,
         perf_attach::{PerfLink, PerfLinkId},
         probe::{attach, ProbeKind},
-        unload_program, OwnedLink, ProgramData, ProgramError,
+        OwnedLink, ProgramData, ProgramError,
     },
 };
 
@@ -51,14 +51,6 @@ impl UProbe {
         load_program(BPF_PROG_TYPE_KPROBE, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Returns `UProbe` if the program is a `uprobe`, or `URetProbe` if the
     /// program is a `uretprobe`.
     pub fn kind(&self) -> ProbeKind {

aya/src/programs/xdp.rs

@@ -12,8 +12,7 @@ use crate::{
         XDP_FLAGS_UPDATE_IF_NOEXIST,
     },
     programs::{
-        define_link_wrapper, load_program, unload_program, FdLink, Link, OwnedLink, ProgramData,
-        ProgramError,
+        define_link_wrapper, load_program, FdLink, Link, OwnedLink, ProgramData, ProgramError,
     },
     sys::{bpf_link_create, kernel_version, netlink_set_xdp_fd},
 };
@@ -82,14 +81,6 @@ impl Xdp {
         load_program(BPF_PROG_TYPE_XDP, &mut self.data)
     }
 
-    /// Unloads the program from the kernel.
-    ///
-    /// If `detach` is true, links will be detached before unloading the program.
-    /// Note that OwnedLinks you obtained using [KProbe::forget_link] will not be detached.
-    pub fn unload(&mut self, detach: bool) -> Result<(), ProgramError> {
-        unload_program(&mut self.data, detach)
-    }
-
     /// Attaches the program to the given `interface`.
     ///
     /// The returned value can be used to detach, see [Xdp::detach].