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bpf: pass translate() as a callback and remove its ndo_bpf subcommand

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As part of the transition from ndo_bpf() to callbacks attached to struct
bpf_offload_dev for some of the eBPF offload operations, move the
functions related to code translation to the struct and remove the
subcommand that was used to call them through the NDO.

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 13:03:29 +00:00 • committed by Alexei Starovoitov
commit b07ade27e9
5 changed files with 21 additions and 22 deletions
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14
kernel/bpf/offload.c
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@ -219,14 +219,14 @@ void bpf_prog_offload_destroy(struct bpf_prog *prog)
static int bpf_prog_offload_translate(struct bpf_prog *prog)
{
struct netdev_bpf data = {};
int ret;
struct bpf_prog_offload *offload;
int ret = -ENODEV;
data.offload.prog = prog;
rtnl_lock();
ret = __bpf_offload_ndo(prog, BPF_OFFLOAD_TRANSLATE, &data);
rtnl_unlock();
down_read(&bpf_devs_lock);
offload = prog->aux->offload;
if (offload)
ret = offload->offdev->ops->translate(offload->netdev, prog);
up_read(&bpf_devs_lock);
return ret;
}