TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_ECE;
}
-static inline void TCP_ECN_send_syn(struct sock *sk, struct tcp_sock *tp,
- struct sk_buff *skb)
+static inline void TCP_ECN_send_syn(struct sock *sk, struct sk_buff *skb)
{
+ struct tcp_sock *tp = tcp_sk(sk);
+
tp->ecn_flags = 0;
- if (sysctl_tcp_ecn && !(sk->sk_route_caps & NETIF_F_TSO)) {
+ if (sysctl_tcp_ecn) {
TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_ECE|TCPCB_FLAG_CWR;
tp->ecn_flags = TCP_ECN_OK;
- sock_set_flag(sk, SOCK_NO_LARGESEND);
}
}
th->ece = 1;
}
-static inline void TCP_ECN_send(struct sock *sk, struct tcp_sock *tp,
- struct sk_buff *skb, int tcp_header_len)
+static inline void TCP_ECN_send(struct sock *sk, struct sk_buff *skb,
+ int tcp_header_len)
{
+ struct tcp_sock *tp = tcp_sk(sk);
+
if (tp->ecn_flags & TCP_ECN_OK) {
/* Not-retransmitted data segment: set ECT and inject CWR. */
if (skb->len != tcp_header_len &&
INET_ECN_xmit(sk);
if (tp->ecn_flags&TCP_ECN_QUEUE_CWR) {
tp->ecn_flags &= ~TCP_ECN_QUEUE_CWR;
- skb->h.th->cwr = 1;
+ tcp_hdr(skb)->cwr = 1;
+ skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN;
}
} else {
/* ACK or retransmitted segment: clear ECT|CE */
INET_ECN_dontxmit(sk);
}
if (tp->ecn_flags & TCP_ECN_DEMAND_CWR)
- skb->h.th->ece = 1;
+ tcp_hdr(skb)->ece = 1;
}
}
static inline void TCP_ECN_accept_cwr(struct tcp_sock *tp, struct sk_buff *skb)
{
- if (skb->h.th->cwr)
+ if (tcp_hdr(skb)->cwr)
tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR;
}
* it is surely retransmit. It is not in ECN RFC,
* but Linux follows this rule. */
else if (INET_ECN_is_not_ect((TCP_SKB_CB(skb)->flags)))
- tcp_enter_quickack_mode(tp);
+ tcp_enter_quickack_mode((struct sock *)tp);
}
}