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bpf: pass prog instead of env to bpf_prog_offload_verifier_prep()

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Function bpf_prog_offload_verifier_prep(), called from the kernel BPF
verifier to run a driver-specific callback for preparing for the
verification step for offloaded programs, takes a pointer to a struct
bpf_verifier_env object. However, no driver callback needs the whole
structure at this time: the two drivers supporting this, nfp and
netdevsim, only need a pointer to the struct bpf_prog instance held by
env.

Update the callback accordingly, on kernel side and in these two
drivers.

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Quentin Monnet 2018-11-09 13:03:31 +00:00 • committed by Alexei Starovoitov
parent eb9119471e
commit a40a26322a
6 changed files with 9 additions and 10 deletions
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2
include/linux/bpf.h
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@ -268,7 +268,7 @@ struct bpf_prog_offload_ops {
int (*insn_hook)(struct bpf_verifier_env *env,
int insn_idx, int prev_insn_idx);
int (*finalize)(struct bpf_verifier_env *env);
int (*prepare)(struct net_device *netdev, struct bpf_verifier_env *env);
int (*prepare)(struct net_device *netdev, struct bpf_prog *prog);
int (*translate)(struct net_device *netdev, struct bpf_prog *prog);
void (*destroy)(struct bpf_prog *prog);
};