static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path)
{
if (tx_path)
- return skb->ip_summed != CHECKSUM_PARTIAL;
+ return skb->ip_summed != CHECKSUM_PARTIAL &&
+ skb->ip_summed != CHECKSUM_UNNECESSARY;
return skb->ip_summed == CHECKSUM_NONE;
}
__dev_xdp_attached(dev, bpf_op, NULL))
return -EBUSY;
- if (bpf_op == ops->ndo_bpf)
- prog = bpf_prog_get_type_dev(fd, BPF_PROG_TYPE_XDP,
- dev);
- else
- prog = bpf_prog_get_type(fd, BPF_PROG_TYPE_XDP);
+ prog = bpf_prog_get_type_dev(fd, BPF_PROG_TYPE_XDP,
+ bpf_op == ops->ndo_bpf);
if (IS_ERR(prog))
return PTR_ERR(prog);
+
+ if (!(flags & XDP_FLAGS_HW_MODE) &&
+ bpf_prog_is_dev_bound(prog->aux)) {
+ NL_SET_ERR_MSG(extack, "using device-bound program without HW_MODE flag is not supported");
+ bpf_prog_put(prog);
+ return -EINVAL;
+ }
}
err = dev_xdp_install(dev, bpf_op, extack, flags, prog);