netdev - Re: [ethtool PATCH 6/6] Update documentation for -u/-U operations

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Date:	Wed, 27 Apr 2011 19:23:49 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Alexander Duyck <alexander.h.duyck@...el.com>
Cc:	davem@...emloft.net, jeffrey.t.kirsher@...el.com,
	netdev@...r.kernel.org
Subject: Re: [ethtool PATCH 6/6] Update documentation for -u/-U operations

On Thu, 2011-04-21 at 13:40 -0700, Alexander Duyck wrote:
> This patch updates the documentation for the -u/-U operations to include
> the recent changes made to support addition/deletion/display of network
> flow classifier rules.

This should be included in the same patch.

> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> ---
> 
>  ethtool.8.in |  185 +++++++++++++++++++++++++++++-----------------------------
>  ethtool.c    |   32 ++++++----
>  2 files changed, 111 insertions(+), 106 deletions(-)
> 
> diff --git a/ethtool.8.in b/ethtool.8.in
> index 12a1d1d..8908351 100644
> --- a/ethtool.8.in
> +++ b/ethtool.8.in
> @@ -42,10 +42,20 @@
>  [\\fB\\$1\\fP\ \\fIN\\fP]
>  ..
>  .\"
> +.\"	.BM - same as above but has a mask field for format "[value N [value-mask N]]"
> +.\"
> +.de BM
> +[\\fB\\$1\\fP\ \\fIN\\fP\ [\\fB\\$1\-mask\\fP\ \\fIN\\fP]]

You've changed the code to accept 'm' as an alternative to
<field> '-mask', so this should be changed accordingly.

[...]
> @@ -236,9 +252,9 @@ ethtool \- query or control network driver and hardware settings
>  .HP
>  .B ethtool \-N
>  .I ethX
> -.RB [ rx\-flow\-hash \ \*(FL
> -.RB \ \*(HO]
> +.RB [ rx-flow-hash \ \*(FL \  \*(HO]
>  .HP
> +

This looks like an unintentional reversion of part of commit
db6c0cee6cd956767e1c39109fe81104cc4694cb.

>  .B ethtool \-x|\-\-show\-rxfh\-indir
>  .I ethX
>  .HP
> @@ -257,54 +273,28 @@ ethtool \- query or control network driver and hardware settings
>  .HP
>  .B ethtool \-u|\-\-show\-ntuple
>  .I ethX
> -.TP
> +.BN class-rule
> +.HP
> +
>  .BI ethtool\ \-U|\-\-config\-ntuple \ ethX
> -.RB {
> -.A3 flow\-type tcp4 udp4 sctp4
> -.RB [ src\-ip
> -.IR addr
> -.RB [ src\-ip\-mask
> -.IR mask ]]
> -.RB [ dst\-ip
> -.IR addr
> -.RB [ dst\-ip\-mask
> -.IR mask ]]
> -.RB [ src\-port
> -.IR port
> -.RB [ src\-port\-mask
> -.IR mask ]]
> -.RB [ dst\-port
> -.IR port
> -.RB [ dst\-port\-mask
> -.IR mask ]]
> -.br
> -.RB | \ flow\-type\ ether
> -.RB [ src
> -.IR mac\-addr
> -.RB [ src\-mask
> -.IR mask ]]
> -.RB [ dst
> -.IR mac\-addr
> -.RB [ dst\-mask
> -.IR mask ]]
> -.RB [ proto
> -.IR N
> -.RB [ proto\-mask
> -.IR mask ]]\ }
> -.br
> -.RB [ vlan
> -.IR VLAN\-tag
> -.RB [ vlan\-mask
> -.IR mask ]]
> -.RB [ user\-def
> -.IR data
> -.RB [ user\-def\-mask
> -.IR mask ]]
> -.RI action \ N
> -.
> -.\" Adjust lines (i.e. full justification) and hyphenate.
> -.ad
> -.hy

As do the last 3 deleted lines here.

> +.BN class-rule-del
> +.RB [\  flow-type \ \*(NC
> +.RB [ src \ \*(MA\ [ src-mask \ \*(MA]]
> +.RB [ dst \ \*(MA\ [ dst-mask \ \*(MA]]
> +.BM proto
> +.RB [ src-ip \ \*(PA\ [ src-ip-mask \ \*(PA]]
> +.RB [ dst-ip \ \*(PA\ [ dst-ip-mask \ \*(PA]]
> +.BM tos
> +.BM l4proto
> +.BM src-port
> +.BM dst-port
> +.BM spi
> +.BM vlan-etype
> +.BM vlan
> +.BM user-def
> +.BN action
> +.BN loc
> +.RB ]

But these options aren't all applicable to all flow-types.
 
[...]
> diff --git a/ethtool.c b/ethtool.c
> index 421fe20..e65979d 100644
> --- a/ethtool.c
> +++ b/ethtool.c
> @@ -243,20 +243,26 @@ static struct option {
>  		"		equal N | weight W0 W1 ...\n" },
>      { "-U", "--config-ntuple", MODE_SCLSRULE, "Configure Rx ntuple filters "
>  		"and actions",
> -		"		{ flow-type tcp4|udp4|sctp4\n"
> -		"		  [ src-ip ADDR [src-ip-mask MASK] ]\n"
> -		"		  [ dst-ip ADDR [dst-ip-mask MASK] ]\n"
> -		"		  [ src-port PORT [src-port-mask MASK] ]\n"
> -		"		  [ dst-port PORT [dst-port-mask MASK] ]\n"
> -		"		| flow-type ether\n"
> -		"		  [ src MAC-ADDR [src-mask MASK] ]\n"
> -		"		  [ dst MAC-ADDR [dst-mask MASK] ]\n"
> -		"		  [ proto N [proto-mask MASK] ] }\n"
> -		"		[ vlan VLAN-TAG [vlan-mask MASK] ]\n"
> -		"		[ user-def DATA [user-def-mask MASK] ]\n"
> -		"		action N\n" },
> +		"		[ class-rule-del %d ] |\n"
> +		"		[ flow-type ether|ip4|tcp4|udp4|sctp4|ah4|esp4\n"
> +		"			[ src %x:%x:%x:%x:%x:%x [src-mask %x:%x:%x:%x:%x:%x] ]\n"
> +		"			[ dst %x:%x:%x:%x:%x:%x [dst-mask %x:%x:%x:%x:%x:%x] ]\n"
> +		"			[ proto %d [proto-mask MASK] ]\n"
> +		"			[ src-ip %d.%d.%d.%d [src-ip-mask %d.%d.%d.%d] ]\n"
> +		"			[ dst-ip %d.%d.%d.%d [dst-ip-mask %d.%d.%d.%d] ]\n"
> +		"			[ tos %d [tos-mask %x] ]\n"
> +		"			[ l4proto %d [l4proto-mask MASK] ]\n"
> +		"			[ src-port %d [src-port-mask %x] ]\n"
> +		"			[ dst-port %d [dst-port-mask %x] ]\n"
> +		"			[ spi %d [spi-mask %x] ]\n"
> +		"			[ vlan-etype %x [vlan-etype-mask %x] ]\n"
> +		"			[ vlan %x [vlan-mask %x] ]\n"
> +		"			[ user-def %x [user-def-mask %x] ]\n"
> +		"			[ action %d ]\n"
> +		"			[ loc %d]]\n" },
[...]

Again, it's not clear which options apply to which flow-types, and the
'm' shortcut is not documented.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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