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author | Richard Scheffenegger <rscheff@FreeBSD.org> | 2023-06-06 20:56:44 +0000 |
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committer | Richard Scheffenegger <rscheff@FreeBSD.org> | 2023-06-06 20:58:54 +0000 |
commit | 43b117f88f3044d5f08e70b0daf0bb964f9ecb4b (patch) | |
tree | 305391e5c437c767ce632426e2d7d5110f83c9b6 /share | |
parent | 84617f6fccd45505f3eeebad1c8cdce1140b7f8e (diff) | |
download | src-43b117f88f3044d5f08e70b0daf0bb964f9ecb4b.tar.gz src-43b117f88f3044d5f08e70b0daf0bb964f9ecb4b.zip |
tcp: make the maximum number of retransmissions tunable per VNET
Both Windows (TcpMaxDataRetransmissions) and Linux (tcp_retries2)
allow to restrict the maximum number of consecutive timer based
retransmissions. Add that same capability on a per-VNet basis to
FreeBSD.
Reviewed By: cc, tuexen, #transport
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D40424
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/tcp.4 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index ce27705f7eda..382e39a4355d 100644 --- a/share/man/man4/tcp.4 +++ b/share/man/man4/tcp.4 @@ -34,7 +34,7 @@ .\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93 .\" $FreeBSD$ .\" -.Dd February 3, 2023 +.Dd June 6, 2023 .Dt TCP 4 .Os .Sh NAME @@ -843,6 +843,9 @@ Maximum size of automatic receive buffer. Initial .Tn TCP receive window (buffer size). +.It Va retries +Maximum number of consecutive timer based retransmits sent after a data +segment is lost (default and maximum is 12). .It Va rexmit_drop_options Drop TCP options from third and later retransmitted SYN segments of a connection. |