diff options
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/jit.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index 139a4ebdc774..23fb11a41cc4 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c @@ -1135,12 +1135,25 @@ static int data_ind_ld4(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) static int mem_ldx_skb(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, u8 size) { + swreg dst = reg_both(meta->insn.dst_reg * 2); + switch (meta->insn.off) { case offsetof(struct sk_buff, len): if (size != FIELD_SIZEOF(struct sk_buff, len)) return -EOPNOTSUPP; - wrp_mov(nfp_prog, - reg_both(meta->insn.dst_reg * 2), plen_reg(nfp_prog)); + wrp_mov(nfp_prog, dst, plen_reg(nfp_prog)); + break; + case offsetof(struct sk_buff, data): + if (size != sizeof(void *)) + return -EOPNOTSUPP; + wrp_mov(nfp_prog, dst, pptr_reg(nfp_prog)); + break; + case offsetof(struct sk_buff, cb) + + offsetof(struct bpf_skb_data_end, data_end): + if (size != sizeof(void *)) + return -EOPNOTSUPP; + emit_alu(nfp_prog, dst, + plen_reg(nfp_prog), ALU_OP_ADD, pptr_reg(nfp_prog)); break; default: return -EOPNOTSUPP; |