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From 947e9c06a863c47e91a46d2cce90c677a90e4d09 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Wed, 28 Jul 2021 17:53:53 +0200
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Subject: [PATCH] doc: ebtables-nft.8: Adjust for missing atomic-options
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Drop any reference to them (and the environment variable) but list them
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in BUGS section hinting at ebtables-save and -restore tools.
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Fixes: 1939cbc25e6f5 ("doc: Adjust ebtables man page")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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(cherry picked from commit 765bf04ecc228783cb88c810c85bc0c769579c39)
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---
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iptables/ebtables-nft.8 | 64 ++++++-----------------------------------
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1 file changed, 8 insertions(+), 56 deletions(-)
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diff --git a/iptables/ebtables-nft.8 b/iptables/ebtables-nft.8
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index 1fa5ad9388cc0..08e9766f2cc74 100644
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--- a/iptables/ebtables-nft.8
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+++ b/iptables/ebtables-nft.8
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@@ -44,12 +44,6 @@ ebtables \- Ethernet bridge frame table administration (nft-based)
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.br
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.BR "ebtables " [ -t " table ] " --init-table
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.br
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-.BR "ebtables " [ -t " table ] [" --atomic-file " file] " --atomic-commit
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-.br
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-.BR "ebtables " [ -t " table ] [" --atomic-file " file] " --atomic-init
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-.br
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-.BR "ebtables " [ -t " table ] [" --atomic-file " file] " --atomic-save
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-.br
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.SH DESCRIPTION
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.B ebtables
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@@ -149,11 +143,9 @@ a table, the commands apply to the default filter table.
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Only one command may be used on the command line at a time, except when
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the commands
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.BR -L " and " -Z
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-are combined, the commands
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+are combined or the commands
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.BR -N " and " -P
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-are combined, or when
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-.B --atomic-file
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-is used.
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+are combined.
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.TP
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.B "-A, --append"
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Append a rule to the end of the selected chain.
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@@ -313,39 +305,6 @@ of the ebtables kernel table.
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.TP
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.B "--init-table"
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Replace the current table data by the initial table data.
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-.TP
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-.B "--atomic-init"
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-Copy the kernel's initial data of the table to the specified
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-file. This can be used as the first action, after which rules are added
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-to the file. The file can be specified using the
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-.B --atomic-file
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-command or through the
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-.IR EBTABLES_ATOMIC_FILE " environment variable."
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-.TP
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-.B "--atomic-save"
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-Copy the kernel's current data of the table to the specified
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-file. This can be used as the first action, after which rules are added
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-to the file. The file can be specified using the
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-.B --atomic-file
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-command or through the
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-.IR EBTABLES_ATOMIC_FILE " environment variable."
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-.TP
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-.B "--atomic-commit"
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-Replace the kernel table data with the data contained in the specified
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-file. This is a useful command that allows you to load all your rules of a
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-certain table into the kernel at once, saving the kernel a lot of precious
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-time and allowing atomic updates of the tables. The file which contains
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-the table data is constructed by using either the
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-.B "--atomic-init"
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-or the
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-.B "--atomic-save"
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-command to generate a starting file. After that, using the
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-.B "--atomic-file"
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-command when constructing rules or setting the
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-.IR EBTABLES_ATOMIC_FILE " environment variable"
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-allows you to extend the file and build the complete table before
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-committing it to the kernel. This command can be very useful in boot scripts
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-to populate the ebtables tables in a fast way.
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.SS MISCELLANOUS COMMANDS
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.TP
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.B "-V, --version"
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@@ -371,16 +330,6 @@ a target extension (see
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.BR "TARGET EXTENSIONS" ")"
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or a user-defined chain name.
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.TP
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-.B --atomic-file "\fIfile\fP"
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-Let the command operate on the specified
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-.IR file .
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-The data of the table to
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-operate on will be extracted from the file and the result of the operation
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-will be saved back into the file. If specified, this option should come
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-before the command specification. An alternative that should be preferred,
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-is setting the
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-.IR EBTABLES_ATOMIC_FILE " environment variable."
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-.TP
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.B -M, --modprobe "\fIprogram\fP"
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When talking to the kernel, use this
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.I program
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@@ -1100,8 +1049,6 @@ arp message and the hardware address length in the arp header is 6 bytes.
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.br
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.SH FILES
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.I /etc/ethertypes
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-.SH ENVIRONMENT VARIABLES
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-.I EBTABLES_ATOMIC_FILE
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.SH MAILINGLISTS
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.BR "" "See " http://netfilter.org/mailinglists.html
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.SH BUGS
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@@ -1109,7 +1056,12 @@ The version of ebtables this man page ships with does not support the
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.B broute
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table. Also there is no support for
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.B string
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-match. And finally, this list is probably not complete.
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+match. Further, support for atomic-options
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+.RB ( --atomic-file ", " --atomic-init ", " --atomic-save ", " --atomic-commit )
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+has not been implemented, although
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+.BR ebtables-save " and " ebtables-restore
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+might replace them entirely given the inherent atomicity of nftables.
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+Finally, this list is probably not complete.
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.SH SEE ALSO
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.BR xtables-nft "(8), " iptables "(8), " ip (8)
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.PP
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--
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2.33.0
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