diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 984e59d99deb..15ee95fcd561 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) { @@ -450,7 +464,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th); void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb); void tcp_v4_mtu_reduced(struct sock *sk); -void tcp_req_err(struct sock *sk, u32 seq); +void tcp_req_err(struct sock *sk, u32 seq, bool abort); int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb); struct sock *tcp_create_openreq_child(const struct sock *sk, struct request_sock *req, |