BPF_SIZEOF
BPF_CLASS(si->code) | BPF_MEM | BPF_SIZEOF(u32),
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(long), si->dst_reg, si->dst_reg,
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg, si->src_reg,
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg, si->src_reg,
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg, si->src_reg,
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg,
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg,
*insn++ = BPF_LDX_MEM(BPF_SIZEOF(struct xsk_sock *), ret, ret, 0);