/* return the signed modulo-2^48 sequence number distance from entry e1 to e2 */
static s64 tfrc_rx_hist_delta_seqno(struct tfrc_rx_hist *h, u8 e1, u8 e2)
{
DCCP_BUG_ON(e1 > h->loss_count || e2 > h->loss_count);
return dccp_delta_seqno(tfrc_rx_hist_entry(h, e1)->tfrchrx_seqno,
tfrc_rx_hist_entry(h, e2)->tfrchrx_seqno);
}
static int dccp_feat_default_value(u8 feat_num)
{
int idx = dccp_feat_index(feat_num);
/*
* There are no default values for unknown features, so encountering a
* negative index here indicates a serious problem somewhere else.
*/
DCCP_BUG_ON(idx < 0);
return idx < 0 ? 0 : dccp_feat_table[idx].default_value;
}
