From 73287fe228721b05690e671adbcccc6cf5435be6 Mon Sep 17 00:00:00 2001 From: Kui-Feng Lee Date: Wed, 29 May 2024 23:59:39 -0700 Subject: bpf: pass bpf_struct_ops_link to callbacks in bpf_struct_ops. Pass an additional pointer of bpf_struct_ops_link to callback function reg, unreg, and update provided by subsystems defined in bpf_struct_ops. A bpf_struct_ops_map can be registered for multiple links. Passing a pointer of bpf_struct_ops_link helps subsystems to distinguish them. This pointer will be used in the later patches to let the subsystem initiate a detachment on a link that was registered to it previously. Signed-off-by: Kui-Feng Lee Link: https://lore.kernel.org/r/20240530065946.979330-2-thinker.li@gmail.com Signed-off-by: Martin KaFai Lau --- include/linux/bpf.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 5e694a308081..19f8836382fc 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1730,9 +1730,9 @@ struct bpf_struct_ops { int (*init_member)(const struct btf_type *t, const struct btf_member *member, void *kdata, const void *udata); - int (*reg)(void *kdata); - void (*unreg)(void *kdata); - int (*update)(void *kdata, void *old_kdata); + int (*reg)(void *kdata, struct bpf_link *link); + void (*unreg)(void *kdata, struct bpf_link *link); + int (*update)(void *kdata, void *old_kdata, struct bpf_link *link); int (*validate)(void *kdata); void *cfi_stubs; struct module *owner; -- cgit v1.2.3