diff options
| author | Ravi Joshi <ravij@codeaurora.org> | 2013-12-18 16:14:15 -0800 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-07-15 13:35:09 -0700 |
| commit | 15ada4d01b2aba6d574c71f517fe77968ca655d3 (patch) | |
| tree | 80ae8aa97a0fc1ffc2bde9b78e76ff001d8b7f9e /include/net | |
| parent | ea475748cae7c85568840b9259fba189f80f1b21 (diff) | |
WLAN subsystem: Sysctl support for key TCP/IP parameters
It has been observed that default values for some of key tcp/ip
parameters are affecting the tput/performance of the system. Hence
extending configuration capabilities to TCP/Ip stack through
sysctl interface
Change-Id: I4287e9103769535f43e0934bac08435a524ee6a4
CRs-Fixed: 507581
Signed-off-by: Ravi Joshi <ravij@codeaurora.org>
Signed-off-by: Ganesh Babu Kumaravel <kganesh@codeaurora.org>
Signed-off-by: Mohit Khanna <mkhannaqca@codeaurora.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/tcp.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 5f4d135a00cc..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) { |