diff options
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index e1e021594cf..03964e08818 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -468,6 +468,17 @@ tcp_syncookies - BOOLEAN SYN flood warnings in logs not being really flooded, your server is seriously misconfigured. +tcp_fastopen - INTEGER + Enable TCP Fast Open feature (draft-ietf-tcpm-fastopen) to send data + in the opening SYN packet. To use this feature, the client application + must not use connect(). Instead, it should use sendmsg() or sendto() + with MSG_FASTOPEN flag which performs a TCP handshake automatically. + + The values (bitmap) are: + 1: Enables sending data in the opening SYN on the client + + Default: 0 + tcp_syn_retries - INTEGER Number of times initial SYNs for an active TCP connection attempt will be retransmitted. Should not be higher than 255. Default value |