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Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 8d4ad1d1ae26..099a55bd1432 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -2091,6 +2091,28 @@ pf_enable - INTEGER Default: 1 +pf_expose - INTEGER + Unset or enable/disable pf (pf is short for potentially failed) state + exposure. Applications can control the exposure of the PF path state + in the SCTP_PEER_ADDR_CHANGE event and the SCTP_GET_PEER_ADDR_INFO + sockopt. When it's unset, no SCTP_PEER_ADDR_CHANGE event with + SCTP_ADDR_PF state will be sent and a SCTP_PF-state transport info + can be got via SCTP_GET_PEER_ADDR_INFO sockopt; When it's enabled, + a SCTP_PEER_ADDR_CHANGE event will be sent for a transport becoming + SCTP_PF state and a SCTP_PF-state transport info can be got via + SCTP_GET_PEER_ADDR_INFO sockopt; When it's diabled, no + SCTP_PEER_ADDR_CHANGE event will be sent and it returns -EACCES when + trying to get a SCTP_PF-state transport info via SCTP_GET_PEER_ADDR_INFO + sockopt. + + 0: Unset pf state exposure, Compatible with old applications. + + 1: Disable pf state exposure. + + 2: Enable pf state exposure. + + Default: 0 + addip_noauth_enable - BOOLEAN Dynamic Address Reconfiguration (ADD-IP) requires the use of authentication to protect the operations of adding or removing new @@ -2173,6 +2195,18 @@ pf_retrans - INTEGER Default: 0 +ps_retrans - INTEGER + Primary.Switchover.Max.Retrans (PSMR), it's a tunable parameter coming + from section-5 "Primary Path Switchover" in rfc7829. The primary path + will be changed to another active path when the path error counter on + the old primary path exceeds PSMR, so that "the SCTP sender is allowed + to continue data transmission on a new working path even when the old + primary destination address becomes active again". Note this feature + is disabled by initializing 'ps_retrans' per netns as 0xffff by default, + and its value can't be less than 'pf_retrans' when changing by sysctl. + + Default: 0xffff + rto_initial - INTEGER The initial round trip timeout value in milliseconds that will be used in calculating round trip times. This is the initial time interval |