diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 70e55d20061..743accec6c7 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -282,6 +282,7 @@ extern int sysctl_tcp_limit_output_bytes; extern int sysctl_tcp_challenge_ack_limit; extern unsigned int sysctl_tcp_notsent_lowat; extern int sysctl_tcp_min_tso_segs; +extern int sysctl_tcp_autocorking; extern atomic_long_t tcp_memory_allocated; extern struct percpu_counter tcp_sockets_allocated; @@ -467,7 +468,6 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, struct tcp_fastopen_cookie *foc); int tcp_disconnect(struct sock *sk, int flags); -void tcp_connect_init(struct sock *sk); void tcp_finish_connect(struct sock *sk, struct sk_buff *skb); int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size); void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb); @@ -480,20 +480,21 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, #ifdef CONFIG_SYN_COOKIES #include <linux/ktime.h> -/* Syncookies use a monotonic timer which increments every 64 seconds. +/* Syncookies use a monotonic timer which increments every 60 seconds. * This counter is used both as a hash input and partially encoded into * the cookie value. A cookie is only validated further if the delta * between the current counter value and the encoded one is less than this, - * i.e. a sent cookie is valid only at most for 128 seconds (or less if + * i.e. a sent cookie is valid only at most for 2*60 seconds (or less if * the counter advances immediately after a cookie is generated). */ #define MAX_SYNCOOKIE_AGE 2 static inline u32 tcp_cookie_time(void) { - struct timespec now; - getnstimeofday(&now); - return now.tv_sec >> 6; /* 64 seconds granularity */ + u64 val = get_jiffies_64(); + + do_div(val, 60 * HZ); + return val; } u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th, @@ -622,8 +623,6 @@ static inline u32 __tcp_set_rto(const struct tcp_sock *tp) return (tp->srtt >> 3) + tp->rttvar; } -void tcp_set_rto(struct sock *sk); - static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd) { tp->pred_flags = htonl((tp->tcp_header_len << 26) | @@ -977,13 +976,6 @@ static inline u32 tcp_wnd_end(const struct tcp_sock *tp) } bool tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight); -static inline void tcp_minshall_update(struct tcp_sock *tp, unsigned int mss, - const struct sk_buff *skb) -{ - if (skb->len < mss) - tp->snd_sml = TCP_SKB_CB(skb)->end_seq; -} - static inline void tcp_check_probe_timer(struct sock *sk) { const struct tcp_sock *tp = tcp_sk(sk); @@ -1312,7 +1304,8 @@ struct tcp_fastopen_request { /* Fast Open cookie. Size 0 means a cookie request */ struct tcp_fastopen_cookie cookie; struct msghdr *data; /* data in MSG_FASTOPEN */ - u16 copied; /* queued in tcp_connect() */ + size_t size; + int copied; /* queued in tcp_connect() */ }; void tcp_free_fastopen_req(struct tcp_sock *tp); |