From: Alexei Starovoitov Date: Tue, 3 Oct 2017 05:50:24 +0000 (-0700) Subject: libbpf: introduce bpf_prog_detach2() X-Git-Tag: v4.19~2168^2~558^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=244d20efdb68c5c1a26c667baeb232ea163e2f69;p=platform%2Fkernel%2Flinux-rpi.git libbpf: introduce bpf_prog_detach2() introduce bpf_prog_detach2() that takes one more argument prog_fd vs bpf_prog_detach() that takes only attach_fd and type. Signed-off-by: Alexei Starovoitov Acked-by: Daniel Borkmann Signed-off-by: David S. Miller --- diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index daf624e..d4b6ba8 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -291,6 +291,18 @@ int bpf_prog_detach(int target_fd, enum bpf_attach_type type) return sys_bpf(BPF_PROG_DETACH, &attr, sizeof(attr)); } +int bpf_prog_detach2(int prog_fd, int target_fd, enum bpf_attach_type type) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.target_fd = target_fd; + attr.attach_bpf_fd = prog_fd; + attr.attach_type = type; + + return sys_bpf(BPF_PROG_DETACH, &attr, sizeof(attr)); +} + int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, void *data_out, __u32 *size_out, __u32 *retval, __u32 *duration) diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 118d005..afd6472 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -66,6 +66,7 @@ int bpf_obj_get(const char *pathname); int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type, unsigned int flags); int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); +int bpf_prog_detach2(int prog_fd, int attachable_fd, enum bpf_attach_type type); int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, void *data_out, __u32 *size_out, __u32 *retval, __u32 *duration);