if (!(tp->ecn_flags & TCP_ECN_OK))
return;
- switch (TCP_SKB_CB(skb)->flags & INET_ECN_MASK) {
+ switch (TCP_SKB_CB(skb)->ip_dsfield & INET_ECN_MASK) {
case INET_ECN_NOT_ECT:
/* Funny extension: if ECT is not set on a segment,
* and we already seen ECT on a previous segment,