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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-11-03 13:56:20 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-05 22:26:19 +0900 |
| commit | 248f346ffe9508dee0039db4ac839cb31ba3bdec (patch) | |
| tree | a7fb34eb8268d73edcbcb257c679f8e98afec568 /include/linux/bpf.h | |
| parent | 928631e05495fa1f0e9775f555b94dbcbb4e2fb5 (diff) | |
| download | lwn-248f346ffe9508dee0039db4ac839cb31ba3bdec.tar.gz lwn-248f346ffe9508dee0039db4ac839cb31ba3bdec.zip | |
xdp: allow attaching programs loaded for specific device
Pass the netdev pointer to bpf_prog_get_type(). This way
BPF code can decide whether the device matches what the
code was loaded/translated for.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/bpf.h')
| -rw-r--r-- | include/linux/bpf.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 98bacd0fa5cc..c397934f91dd 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -335,6 +335,8 @@ extern const struct bpf_verifier_ops xdp_analyzer_ops; struct bpf_prog *bpf_prog_get(u32 ufd); struct bpf_prog *bpf_prog_get_type(u32 ufd, enum bpf_prog_type type); +struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, enum bpf_prog_type type, + struct net_device *netdev); struct bpf_prog * __must_check bpf_prog_add(struct bpf_prog *prog, int i); void bpf_prog_sub(struct bpf_prog *prog, int i); struct bpf_prog * __must_check bpf_prog_inc(struct bpf_prog *prog); @@ -428,6 +430,14 @@ static inline struct bpf_prog *bpf_prog_get_type(u32 ufd, { return ERR_PTR(-EOPNOTSUPP); } + +static inline struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, + enum bpf_prog_type type, + struct net_device *netdev) +{ + return ERR_PTR(-EOPNOTSUPP); +} + static inline struct bpf_prog * __must_check bpf_prog_add(struct bpf_prog *prog, int i) { |