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authorTao Chen <[email protected]>2025-07-10 03:20:32 +0000
committerAndrii Nakryiko <[email protected]>2025-07-11 17:51:55 +0000
commitb725441f02c2b31c04a95d0e9ca5420fa029a767 (patch)
tree2f2dc3a2f6835dbcc09fad06ab975f60304a0607 /net/core/dev.c
parentselftests/bpf: Range analysis test case for JSET (diff)
downloadkernel-b725441f02c2b31c04a95d0e9ca5420fa029a767.tar.gz
kernel-b725441f02c2b31c04a95d0e9ca5420fa029a767.zip
bpf: Add attach_type field to bpf_link
Attach_type will be set when a link is created by user. It is better to record attach_type in bpf_link generically and have it available universally for all link types. So add the attach_type field in bpf_link and move the sleepable field to avoid unnecessary gap padding. Signed-off-by: Tao Chen <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Jiri Olsa <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index be97c440ecd5..7969fddc94e3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10364,7 +10364,8 @@ int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
goto unlock;
}
- bpf_link_init(&link->link, BPF_LINK_TYPE_XDP, &bpf_xdp_link_lops, prog);
+ bpf_link_init(&link->link, BPF_LINK_TYPE_XDP, &bpf_xdp_link_lops, prog,
+ attr->link_create.attach_type);
link->dev = dev;
link->flags = attr->link_create.flags;