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Diffstat (limited to 'include/net/tcp_ecn.h')
-rw-r--r--include/net/tcp_ecn.h17
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;
}