git: 620042a66b68 - main - tcp.4: undocument compressed TIME_WAIT

From: Gleb Smirnoff <glebius_at_FreeBSD.org>
Date: Mon, 31 Oct 2022 16:03:31 UTC
The branch main has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=620042a66b682939bdfb0eb6db120453d29b0e4a

commit 620042a66b682939bdfb0eb6db120453d29b0e4a
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2022-10-31 16:02:33 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2022-10-31 16:02:33 +0000

    tcp.4: undocument compressed TIME_WAIT
---
 share/man/man4/tcp.4 | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4
index ba5d57bcf46c..1fca883a7d15 100644
--- a/share/man/man4/tcp.4
+++ b/share/man/man4/tcp.4
@@ -753,23 +753,6 @@ A value of 2 results in any
 packets to closed ports being logged.
 Any value not listed above disables the logging
 (default is 0, i.e., the logging is disabled).
-.It Va maxtcptw
-When a TCP connection enters the
-.Dv TIME_WAIT
-state, its associated socket structure is freed, since it is of
-negligible size and use, and a new structure is allocated to contain a
-minimal amount of information necessary for sustaining a connection in
-this state, called the compressed TCP
-.Dv TIME_WAIT
-state.
-Since this structure is smaller than a socket structure, it can save
-a significant amount of system memory.
-The
-.Va net.inet.tcp.maxtcptw
-MIB variable controls the maximum number of these structures allocated.
-By default, it is initialized to
-.Va kern.ipc.maxsockets
-/ 5.
 .It Va minmss
 Minimum TCP Maximum Segment Size; used to prevent a denial of service attack
 from an unreasonably low MSS.
@@ -786,7 +769,7 @@ application limited and the network bandwidth is not utilized completely.
 That prevents self-inflicted packet losses once the application starts to
 transmit data at a higher speed.
 .It Va nolocaltimewait
-Suppress creation of compressed TCP
+Suppress creation of TCP
 .Dv TIME_WAIT
 states for connections in
 which both endpoints are local.