flow_wildcards_set_xreg_mask(struct flow_wildcards *wc, int idx, uint64_t mask)
{
    flow_set_xreg(&wc->masks, idx, mask);
}
flow_wildcards_set_xreg_mask(struct flow_wildcards *wc, int idx, uint64_t mask)
{
    flow_set_xreg(&wc->masks, idx, mask);
}