diff options
Diffstat (limited to 'include/net/tcp_ecn.h')
| -rw-r--r-- | include/net/tcp_ecn.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/include/net/tcp_ecn.h b/include/net/tcp_ecn.h index 4629d77173f..89eb3e05116 100644 --- a/include/net/tcp_ecn.h +++ b/include/net/tcp_ecn.h @@ -27,9 +27,10 @@ static inline void TCP_ECN_send_synack(struct tcp_sock *tp, 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) { TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_ECE|TCPCB_FLAG_CWR; @@ -44,9 +45,11 @@ TCP_ECN_make_synack(struct request_sock *req, struct tcphdr *th) 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 && @@ -54,7 +57,7 @@ static inline void TCP_ECN_send(struct sock *sk, struct tcp_sock *tp, 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 { @@ -62,7 +65,7 @@ static inline void TCP_ECN_send(struct sock *sk, struct tcp_sock *tp, INET_ECN_dontxmit(sk); } if (tp->ecn_flags & TCP_ECN_DEMAND_CWR) - skb->h.th->ece = 1; + tcp_hdr(skb)->ece = 1; } } @@ -70,7 +73,7 @@ static inline void TCP_ECN_send(struct sock *sk, struct tcp_sock *tp, 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; } |