Date: Wed, 5 Feb 2025 18:42:03 GMT From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 6bcc3ae6d61d - stable/13 - icmp.4: improve icmplim and add icmplim_jitter description Message-ID: <202502051842.515Ig3Al054495@gitrepo.freebsd.org>
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The branch stable/13 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=6bcc3ae6d61d2a4d972bbd839016ab63c6394935 commit 6bcc3ae6d61d2a4d972bbd839016ab63c6394935 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2024-12-11 18:47:11 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2025-02-05 18:41:44 +0000 icmp.4: improve icmplim and add icmplim_jitter description Reviewed by: cc, bcr Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D48025 (cherry picked from commit eba715c544ea89c6b402c55e03b388b77030b997) --- share/man/man4/icmp.4 | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/share/man/man4/icmp.4 b/share/man/man4/icmp.4 index 6889a71f0dc2..caac0ee5d032 100644 --- a/share/man/man4/icmp.4 +++ b/share/man/man4/icmp.4 @@ -27,7 +27,7 @@ .\" .\" @(#)icmp.4 8.1 (Berkeley) 6/5/93 .\" -.Dd March 26, 2015 +.Dd December 11, 2024 .Dt ICMP 4 .Os .Sh NAME @@ -174,10 +174,31 @@ it will be used instead of the real address mask when the system replies to an ICMP Address Mask Request packet. Defaults to 0. .It Va icmplim -.Pq Vt integer -Bandwidth limit for ICMP replies in packets/second. +.Pq Vt unsigned integer +Mean rate limit for replies in packets/second. +The actual limit is +.Va icmplim +plus a random jitter limited by +.Va icmplim_jitter . If set to zero, no limiting will occur. Defaults to 200. +.It Va icmplim_jitter +.Pq Vt unsigned integer +A random jitter between the negative of +.Va icmplim_jitter +and +.Va icmplim_jitter +is applied to +.Va icmplim +for limiting the sending rate of replies. +.Va icmplim_jitter +must be smaller than +.Va icmplim , +if +.Va icmplim +is not zero. +If set to zero, no jitter will be applied. +Defaults to 16. .It Va icmplim_output .Pq Vt boolean Enable/disable logging of ICMP replies bandwidth limiting.
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