diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 6c480679423e..52402ab90c57 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -141,6 +141,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); * most likely due to retrans in 3WHS. */ +/* Number of full MSS to receive before Acking RFC2581 */ +#define TCP_DELACK_SEG 1 + #define TCP_RESOURCE_PROBE_INTERVAL ((unsigned)(HZ/2U)) /* Maximal interval between probes * for local resources. */ @@ -287,6 +290,11 @@ extern int sysctl_tcp_pacing_ca_ratio; extern int sysctl_tcp_default_init_rwnd; extern atomic_long_t tcp_memory_allocated; + +/* sysctl variables for controlling various tcp parameters */ +extern int sysctl_tcp_delack_seg; +extern int sysctl_tcp_use_userconfig; + extern struct percpu_counter tcp_sockets_allocated; extern int tcp_memory_pressure; @@ -377,6 +385,12 @@ ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags); +/* sysctl master controller */ +extern int tcp_use_userconfig_sysctl_handler(struct ctl_table *, int, + void __user *, size_t *, loff_t *); +extern int tcp_proc_delayed_ack_control(struct ctl_table *, int, + void __user *, size_t *, loff_t *); + static inline void tcp_dec_quickack_mode(struct sock *sk, const unsigned int pkts) { @@ -1157,6 +1171,7 @@ static inline void tcp_prequeue_init(struct tcp_sock *tp) } bool tcp_prequeue(struct sock *sk, struct sk_buff *skb); +int tcp_filter(struct sock *sk, struct sk_buff *skb); #undef STATE_TRACE |