diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-03-28 17:48:32 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-03-28 19:36:13 -0700 |
| commit | bfee64deaa766ba88ff42fcbced82ad4ef6cb315 (patch) | |
| tree | e1b6314ada6c2e4cbf8120afb4a18dec9f1e12a0 /drivers/net/ethernet/netronome/nfp/bpf/jit.c | |
| parent | 44d65a47aeabc40619ad6d1900e0f54e5b5145b8 (diff) | |
nfp: bpf: add map deletes from the datapath
Support calling map_delete_elem() FW helper from the datapath
programs. For JIT checks and code are basically equivalent
to map lookups. Similarly to other map helper key must be on
the stack. Different pointer types are left for future extension.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/jit.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/jit.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index c63368fc28f6..d8df56087961 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c @@ -2329,6 +2329,7 @@ static int call(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) return adjust_head(nfp_prog, meta); case BPF_FUNC_map_lookup_elem: case BPF_FUNC_map_update_elem: + case BPF_FUNC_map_delete_elem: return map_call_stack_common(nfp_prog, meta); default: WARN_ONCE(1, "verifier allowed unsupported function\n"); @@ -3216,6 +3217,9 @@ void *nfp_bpf_relo_for_vnic(struct nfp_prog *nfp_prog, struct nfp_bpf_vnic *bv) case BPF_FUNC_map_update_elem: val = nfp_prog->bpf->helpers.map_update; break; + case BPF_FUNC_map_delete_elem: + val = nfp_prog->bpf->helpers.map_delete; + break; default: pr_err("relocation of unknown helper %d\n", val); |