From: Jiri Pirko <jiri@resnulli.us>
To: Michal Kubecek <mkubecek@suse.cz>
Cc: netdev@vger.kernel.org, David Miller <davem@davemloft.net>,
Jakub Kicinski <jakub.kicinski@netronome.com>,
Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
John Linville <linville@tuxdriver.com>,
Stephen Hemminger <stephen@networkplumber.org>,
Johannes Berg <johannes@sipsolutions.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v6 08/15] ethtool: move string arrays into common file
Date: Thu, 4 Jul 2019 10:09:54 +0200 [thread overview]
Message-ID: <20190704080954.GH2250@nanopsycho> (raw)
In-Reply-To: <20190703143722.GN20101@unicorn.suse.cz>
Wed, Jul 03, 2019 at 04:37:22PM CEST, mkubecek@suse.cz wrote:
>On Wed, Jul 03, 2019 at 03:44:52PM +0200, Jiri Pirko wrote:
>> Tue, Jul 02, 2019 at 01:50:19PM CEST, mkubecek@suse.cz wrote:
>> >Introduce file net/ethtool/common.c for code shared by ioctl and netlink
>> >ethtool interface. Move name tables of features, RSS hash functions,
>> >tunables and PHY tunables into this file.
>> >
>> >Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
>> >---
>> > net/ethtool/Makefile | 2 +-
>> > net/ethtool/common.c | 84 ++++++++++++++++++++++++++++++++++++++++++++
>> > net/ethtool/common.h | 17 +++++++++
>> > net/ethtool/ioctl.c | 83 ++-----------------------------------------
>> > 4 files changed, 104 insertions(+), 82 deletions(-)
>> > create mode 100644 net/ethtool/common.c
>> > create mode 100644 net/ethtool/common.h
>> >
>> >diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile
>> >index 482fdb9380fa..11782306593b 100644
>> >--- a/net/ethtool/Makefile
>> >+++ b/net/ethtool/Makefile
>> >@@ -1,6 +1,6 @@
>> > # SPDX-License-Identifier: GPL-2.0
>> >
>> >-obj-y += ioctl.o
>> >+obj-y += ioctl.o common.o
>> >
>> > obj-$(CONFIG_ETHTOOL_NETLINK) += ethtool_nl.o
>> >
>> >diff --git a/net/ethtool/common.c b/net/ethtool/common.c
>> >new file mode 100644
>> >index 000000000000..b0ce420e994e
>> >--- /dev/null
>> >+++ b/net/ethtool/common.c
>> >@@ -0,0 +1,84 @@
>> >+// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
>> >+
>> >+#include "common.h"
>> >+
>> >+const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
>>
>> const char *netdev_features_strings[NETDEV_FEATURE_COUNT] = {
>> ?
>>
>> Same with the other arrays.
>
>These are not new tables, this patch only moves existing tables from
>ioctl.c (originally net/core/ethtool.c) into common.c so that they can
>be used by both ioctl and netlink code.
>
>This fixed size string array format is used by ETHTOOL_GSTRINGS ioctl
>command. So if we switch these into simple const char *table[], we can
>get rid of some complexity in strset.c and bitset.c (the "simple" vs.
>"legacy" string set mess) but we would have to convert them into the
>fixed size string array in ioctl ETHTOOL_GSTRINGS handler. And then we
>would also have to convert (or rather "index") string sets retrieved
>from NIC driver (e.g. private flags, stats, tests) - which also means an
>extra kmalloc() (or rather kmalloc_array()).
>
>It an option I'm certainly open to if we agree on it but it's not for
>free.
Got it. I don't think we need to do this now. But it would be certainly
nice to fix this later on.
>
>Michal
next prev parent reply other threads:[~2019-07-04 8:09 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-02 11:49 [PATCH net-next v6 00/15] ethtool netlink interface, part 1 Michal Kubecek
2019-07-02 11:49 ` [PATCH net-next v6 01/15] rtnetlink: provide permanent hardware address in RTM_NEWLINK Michal Kubecek
2019-07-02 11:57 ` Jiri Pirko
2019-07-02 14:55 ` Stephen Hemminger
2019-07-02 16:35 ` Michal Kubecek
2019-07-02 11:49 ` [PATCH net-next v6 02/15] netlink: rename nl80211_validate_nested() to nla_validate_nested() Michal Kubecek
2019-07-02 12:03 ` Jiri Pirko
2019-07-02 12:15 ` Johannes Berg
2019-07-02 12:15 ` Johannes Berg
2019-07-02 11:49 ` [PATCH net-next v6 03/15] ethtool: move to its own directory Michal Kubecek
2019-07-02 11:49 ` [PATCH net-next v6 04/15] ethtool: introduce ethtool netlink interface Michal Kubecek
2019-07-02 12:25 ` Jiri Pirko
2019-07-02 14:52 ` Michal Kubecek
2019-07-03 8:41 ` Jiri Pirko
2019-07-08 17:27 ` Michal Kubecek
2019-07-08 18:12 ` Johannes Berg
2019-07-08 19:26 ` Jiri Pirko
2019-07-08 19:28 ` Jiri Pirko
2019-07-08 20:22 ` Michal Kubecek
2019-07-09 13:42 ` Jiri Pirko
2019-07-10 12:12 ` Michal Kubecek
2019-07-03 1:29 ` Jakub Kicinski
2019-07-03 6:35 ` Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 05/15] ethtool: helper functions for " Michal Kubecek
2019-07-02 13:05 ` Jiri Pirko
2019-07-02 16:34 ` Michal Kubecek
2019-07-03 1:28 ` Jakub Kicinski
2019-07-03 10:04 ` Jiri Pirko
2019-07-03 11:13 ` Michal Kubecek
2019-07-08 12:22 ` Michal Kubecek
2019-07-08 14:40 ` Jiri Pirko
2019-07-03 1:37 ` Jakub Kicinski
2019-07-03 7:23 ` Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 06/15] ethtool: netlink bitset handling Michal Kubecek
2019-07-03 11:49 ` Jiri Pirko
2019-07-03 13:44 ` Johannes Berg
2019-07-03 14:37 ` Jiri Pirko
2019-07-04 12:07 ` Johannes Berg
2019-07-03 18:18 ` Michal Kubecek
2019-07-04 8:04 ` Jiri Pirko
2019-07-04 11:52 ` Michal Kubecek
2019-07-04 12:03 ` Johannes Berg
2019-07-04 12:17 ` Michal Kubecek
2019-07-04 12:21 ` Johannes Berg
2019-07-04 12:53 ` Michal Kubecek
2019-07-04 13:10 ` Johannes Berg
2019-07-04 14:31 ` Andrew Lunn
2019-07-09 14:18 ` Jiri Pirko
2019-07-10 12:38 ` Michal Kubecek
2019-07-10 12:59 ` Jiri Pirko
2019-07-10 14:37 ` Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 07/15] ethtool: support for netlink notifications Michal Kubecek
2019-07-03 13:33 ` Jiri Pirko
2019-07-03 14:16 ` Michal Kubecek
2019-07-04 8:06 ` Jiri Pirko
2019-07-03 13:39 ` Johannes Berg
2019-07-03 14:18 ` Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 08/15] ethtool: move string arrays into common file Michal Kubecek
2019-07-03 13:44 ` Jiri Pirko
2019-07-03 14:37 ` Michal Kubecek
2019-07-04 8:09 ` Jiri Pirko [this message]
2019-07-02 11:50 ` [PATCH net-next v6 09/15] ethtool: generic handlers for GET requests Michal Kubecek
2019-07-03 14:25 ` Jiri Pirko
2019-07-03 17:53 ` Michal Kubecek
2019-07-04 8:45 ` Jiri Pirko
2019-07-04 8:49 ` Jiri Pirko
2019-07-04 9:28 ` Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 10/15] ethtool: provide string sets with STRSET_GET request Michal Kubecek
2019-07-04 8:17 ` Jiri Pirko
2019-07-02 11:50 ` [PATCH net-next v6 11/15] ethtool: provide link mode names as a string set Michal Kubecek
2019-07-03 2:04 ` Jakub Kicinski
2019-07-03 2:11 ` Jakub Kicinski
2019-07-03 7:38 ` Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 12/15] ethtool: provide link settings and link modes in SETTINGS_GET request Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 13/15] ethtool: add standard notification handler Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 14/15] ethtool: set link settings and link modes with SETTINGS_SET request Michal Kubecek
2019-07-02 11:50 ` [PATCH net-next v6 15/15] ethtool: provide link state in SETTINGS_GET request Michal Kubecek
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