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authorTakashi Iwai <tiwai@suse.de>2020-09-09 18:26:07 +0200
committerTakashi Iwai <tiwai@suse.de>2020-09-09 18:26:48 +0200
commit9ddb236f13594b34a12dacf69a5adca7a1aef35e (patch)
tree1dc1f6e54962a2e3ad3d56c894522cb4b1ddce93 /tools/lib/bpf/bpf.c
parentALSA: vx: vx_pcm: remove redundant assignment (diff)
parentALSA: hda/realtek - The Mic on a RedmiBook doesn't work (diff)
downloadlinux-dev-9ddb236f13594b34a12dacf69a5adca7a1aef35e.tar.xz
linux-dev-9ddb236f13594b34a12dacf69a5adca7a1aef35e.zip
Merge branch 'for-linus' into for-next
Back-merge to apply the tasklet conversion patches that are based on the already applied tasklet API changes on 5.9-rc4. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'tools/lib/bpf/bpf.c')
-rw-r--r--tools/lib/bpf/bpf.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index a7329b671c41..0750681057c2 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -598,10 +598,24 @@ int bpf_link_create(int prog_fd, int target_fd,
attr.link_create.prog_fd = prog_fd;
attr.link_create.target_fd = target_fd;
attr.link_create.attach_type = attach_type;
+ attr.link_create.flags = OPTS_GET(opts, flags, 0);
+ attr.link_create.iter_info =
+ ptr_to_u64(OPTS_GET(opts, iter_info, (void *)0));
+ attr.link_create.iter_info_len = OPTS_GET(opts, iter_info_len, 0);
return sys_bpf(BPF_LINK_CREATE, &attr, sizeof(attr));
}
+int bpf_link_detach(int link_fd)
+{
+ union bpf_attr attr;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.link_detach.link_fd = link_fd;
+
+ return sys_bpf(BPF_LINK_DETACH, &attr, sizeof(attr));
+}
+
int bpf_link_update(int link_fd, int new_prog_fd,
const struct bpf_link_update_opts *opts)
{