diff options
| author |   Björn Töpel <bjorn.topel@intel.com> | 2019-12-13 18:51:09 +0100 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-12-13 13:09:32 -0800 |
| commit | 7e6897f95935973c3253fd756135b5ea58043dc8 (patch) | |
| tree | b51f503250727273df277698fac760b6cdc26393 /net/core/filter.c | |
| parent | bpf: Introduce BPF dispatcher (diff) | |
| download | linux-dev-7e6897f95935973c3253fd756135b5ea58043dc8.tar.xz linux-dev-7e6897f95935973c3253fd756135b5ea58043dc8.zip | |
bpf, xdp: Start using the BPF dispatcher for XDP
This commit adds a BPF dispatcher for XDP. The dispatcher is updated
from the XDP control-path, dev_xdp_install(), and used when an XDP
program is run via bpf_prog_run_xdp().
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191213175112.30208-4-bjorn.topel@gmail.com
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index f1e703eed3d2..a411f7835dee 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -8940,3 +8940,11 @@ const struct bpf_verifier_ops sk_reuseport_verifier_ops = { const struct bpf_prog_ops sk_reuseport_prog_ops = { }; #endif /* CONFIG_INET */ + +DEFINE_BPF_DISPATCHER(bpf_dispatcher_xdp) + +void bpf_prog_change_xdp(struct bpf_prog *prev_prog, struct bpf_prog *prog) +{ + bpf_dispatcher_change_prog(BPF_DISPATCHER_PTR(bpf_dispatcher_xdp), + prev_prog, prog); +} |