From nobody Fri Feb 07 14:46:59 2025 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YqGyX01xzz5mHS9; Fri, 07 Feb 2025 14:47:00 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YqGyW6d54z3CMp; Fri, 07 Feb 2025 14:46:59 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1738939619; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Tt8SnHoPC0e8diA/FcljojNtKosYLAUMp8fwAXGRL0M=; b=NbZDL8+LaLXMM1HaMk9CCQcLGudCJdgl9LyUVbcB9hs89KvlXf5XszCSL88Jg4P2o2YsCj ezr8AbIAvLYLrlB6MLYJzKFmPDVjfasJVEeChGvzE/fZdcP20vUKTFpABqPNjy5Wv5UWlF cH28qOw83FoLnsn86aHy4i1FoEZv+sgOOavlJ9HaXmVxd75JIXHNmOAlTwXdCQJGb7THz4 9pis/0UQZASBA2ScdoqWfg1GgjzAgRo/aRR8FDy7gjcOkorpEIxC51z2N1+YDIXpx7F59e IzdGW/z7p7OPKzwnNvEFkDMXFHocUUd/OhhMct08agpbfBixAy6F++Tgjbg8qA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1738939619; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Tt8SnHoPC0e8diA/FcljojNtKosYLAUMp8fwAXGRL0M=; b=M3pi5rM2p0Mb1Nti5kLN8LF+/lVpxasGRMutcBQfaN07EedpKT+GzNiJQW4cexuzA1nHSL aaVdtZey8vRcu5gMwX51qjDEnqY9gmsvoXivlfqtM6QPFBThqebUNFfAGcqzYqPSDZGcIM +otyR3TdVlyE9DdOEaiHxRhrINkaYDfJMM1D+dbhqLPZPmbdoz1SL0cpUZ3y0QFPkiloAb qc3sazf12w3GhMKNsMBID+Nu0dQhxnqbTsQ6GGkBTuQbo7xIbJFoAKDU+YCB8+iB9zxNXR U1h8/4N27A0wMjjsfhiT0Fcuqtz42HFnA4+MNCbyOgUMKuioPJjTja8sj7zgnw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1738939619; a=rsa-sha256; cv=none; b=txtOA0d+X1YXW59QDOptPRNRALjN8tOcFDXM5LvPcxIaH8ItgyPkEUTD3a9eIO/mRUn7pk RiU13I1zq2lJgAOUc7fxsYFrk8i6Sr1I/4IE+z+IIvYSncNN2jUxVdBX8P0ZB4RLba5Dzw t5zcHhW88XsRRDeOaEHc0fUO/aOTuaPwUylbA57VU4v3goKkL2Ba+hOaakqD64llvsQYin dq02H6wJuS9tyCe0oJsOOPqpZgznDz9CuJlygqC9BjXl+uaJoq7NjbgpdQowAKQqDK617s jZezVm0wWpaSW8KTdoNA5FXjcSFDcs5IWS9kgRhypkxAIO+f+/N8yFbCpZqK6Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4YqGyW5wNnzCFQ; Fri, 07 Feb 2025 14:46:59 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 517Ekxhq002741; Fri, 7 Feb 2025 14:46:59 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 517EkxN5002738; Fri, 7 Feb 2025 14:46:59 GMT (envelope-from git) Date: Fri, 7 Feb 2025 14:46:59 GMT Message-Id: <202502071446.517EkxN5002738@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: 028323d61649 - stable/14 - setfib.2: Note that the number of FIBs can be adjusted after boot List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 028323d616496e6244934917975835f326f82b00 Auto-Submitted: auto-generated The branch stable/14 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=028323d616496e6244934917975835f326f82b00 commit 028323d616496e6244934917975835f326f82b00 Author: Mark Johnston AuthorDate: 2025-01-21 15:39:50 +0000 Commit: Mark Johnston CommitDate: 2025-02-07 14:46:53 +0000 setfib.2: Note that the number of FIBs can be adjusted after boot Reviewed by: zlei, imp MFC after: 2 weeks Sponsored by: Klara, Inc. Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D48545 (cherry picked from commit 010ee8215f5c899e23250828402af5b7bb354328) --- lib/libc/sys/setfib.2 | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/lib/libc/sys/setfib.2 b/lib/libc/sys/setfib.2 index 32e2f64910cb..57e83c0d1adb 100644 --- a/lib/libc/sys/setfib.2 +++ b/lib/libc/sys/setfib.2 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd March 19, 2012 +.Dd January 10, 2025 .Dt SETFIB 2 .Os .Sh NAME @@ -55,15 +55,20 @@ The system maximum is set in the kernel configuration file with .Pp or in .Pa /boot/loader.conf +or +.Pa /etc/sysctl.conf with .Pp .Dl net.fibs= Ns Qq Em N .Pp where .Em N -is an integer. -This maximum is capped at 65536 due to the implementation storing -the fib number in a 16-bit field in the +is an integer smaller than 65536. +Note that the number of FIBs may be increased after booting, but cannot be +reduced. +.Pp +The maximum of 65536 is due to the implementation storing +the FIB number in a 16-bit field in the .Xr mbuf 9 packet header, however it is not suggested that one use such a large number as memory is allocated for every FIB regardless of whether it is used, and