kernel: backport ethtool_puts

Will be used for conversions in the following commit.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

diff --git a/target/linux/generic/backport-5.15/894-v6.8-net-ethtool-implement-ethtool_puts.patch b/target/linux/generic/backport-5.15/894-v6.8-net-ethtool-implement-ethtool_puts.patch
new file mode 100644 (file)
index 0000000..ef9e706
--- /dev/null
+++ b/target/linux/generic/backport-5.15/894-v6.8-net-ethtool-implement-ethtool_puts.patch
@@ -0,0 +1,139 @@
+From mboxrd@z Thu Jan  1 00:00:00 1970
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+ Dec 2023 15:16:15 -0800 (PST)
+Date: Wed, 06 Dec 2023 23:16:10 +0000
+In-Reply-To: <20231206-ethtool_puts_impl-v5-0-5a2528e17bf8@google.com>
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+X-Mailer: b4 0.12.3
+Message-ID: <20231206-ethtool_puts_impl-v5-1-5a2528e17bf8@google.com>
+Subject: [PATCH net-next v5 1/3] ethtool: Implement ethtool_puts()
+From: justinstitt@google.com
+To: "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
+       Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Shay Agroskin <shayagr@amazon.com>, 
+       Arthur Kiyanovski <akiyano@amazon.com>, David Arinzon <darinzon@amazon.com>, Noam Dagan <ndagan@amazon.com>, 
+       Saeed Bishara <saeedb@amazon.com>, Rasesh Mody <rmody@marvell.com>, 
+       Sudarsana Kalluru <skalluru@marvell.com>, GR-Linux-NIC-Dev@marvell.com, 
+       Dimitris Michailidis <dmichail@fungible.com>, Yisen Zhuang <yisen.zhuang@huawei.com>, 
+       Salil Mehta <salil.mehta@huawei.com>, Jesse Brandeburg <jesse.brandeburg@intel.com>, 
+       Tony Nguyen <anthony.l.nguyen@intel.com>, Louis Peens <louis.peens@corigine.com>, 
+       Shannon Nelson <shannon.nelson@amd.com>, Brett Creeley <brett.creeley@amd.com>, drivers@pensando.io, 
+       "K. Y. Srinivasan" <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Wei Liu <wei.liu@kernel.org>, 
+       Dexuan Cui <decui@microsoft.com>, Ronak Doshi <doshir@vmware.com>, 
+       VMware PV-Drivers Reviewers <pv-drivers@vmware.com>, Andy Whitcroft <apw@canonical.com>, Joe Perches <joe@perches.com>, 
+       Dwaipayan Ray <dwaipayanray1@gmail.com>, Lukas Bulwahn <lukas.bulwahn@gmail.com>, 
+       Hauke Mehrtens <hauke@hauke-m.de>, Andrew Lunn <andrew@lunn.ch>, 
+       Florian Fainelli <f.fainelli@gmail.com>, Vladimir Oltean <olteanv@gmail.com>, 
+       "=?utf-8?q?Ar=C4=B1n=C3=A7_=C3=9CNAL?=" <arinc.unal@arinc9.com>, Daniel Golle <daniel@makrotopia.org>, 
+       Landen Chao <Landen.Chao@mediatek.com>, DENG Qingfang <dqfext@gmail.com>, 
+       Sean Wang <sean.wang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, 
+       AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, 
+       Linus Walleij <linus.walleij@linaro.org>, 
+       "=?utf-8?q?Alvin_=C5=A0ipraga?=" <alsi@bang-olufsen.dk>, Wei Fang <wei.fang@nxp.com>, 
+       Shenwei Wang <shenwei.wang@nxp.com>, Clark Wang <xiaoning.wang@nxp.com>, 
+       NXP Linux Team <linux-imx@nxp.com>, Lars Povlsen <lars.povlsen@microchip.com>, 
+       Steen Hegelund <Steen.Hegelund@microchip.com>, Daniel Machon <daniel.machon@microchip.com>, 
+       UNGLinuxDriver@microchip.com, Jiawen Wu <jiawenwu@trustnetic.com>, 
+       Mengyuan Lou <mengyuanlou@net-swift.com>, Heiner Kallweit <hkallweit1@gmail.com>, 
+       Russell King <linux@armlinux.org.uk>, Alexei Starovoitov <ast@kernel.org>, 
+       Daniel Borkmann <daniel@iogearbox.net>, Jesper Dangaard Brouer <hawk@kernel.org>, 
+       John Fastabend <john.fastabend@gmail.com>
+Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, 
+       Nick Desaulniers <ndesaulniers@google.com>, Nathan Chancellor <nathan@kernel.org>, 
+       Kees Cook <keescook@chromium.org>, intel-wired-lan@lists.osuosl.org, 
+       oss-drivers@corigine.com, linux-hyperv@vger.kernel.org, 
+       linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, 
+       bpf@vger.kernel.org, Justin Stitt <justinstitt@google.com>
+Content-Type: text/plain; charset="utf-8"
+
+Use strscpy() to implement ethtool_puts().
+
+Functionally the same as ethtool_sprintf() when it's used with two
+arguments or with just "%s" format specifier.
+
+Signed-off-by: Justin Stitt <justinstitt@google.com>
+---
+ include/linux/ethtool.h | 13 +++++++++++++
+ net/ethtool/ioctl.c     |  7 +++++++
+ 2 files changed, 20 insertions(+)
+
+--- a/include/linux/ethtool.h
++++ b/include/linux/ethtool.h
+@@ -788,4 +788,17 @@ int ethtool_get_phc_vclocks(struct net_d
+  * next string.
+  */
+ extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...);
++
++/**
++ * ethtool_puts - Write string to ethtool string data
++ * @data: Pointer to a pointer to the start of string to update
++ * @str: String to write
++ *
++ * Write string to *data without a trailing newline. Update *data
++ * to point at start of next string.
++ *
++ * Prefer this function to ethtool_sprintf() when given only
++ * two arguments or if @fmt is just "%s".
++ */
++extern void ethtool_puts(u8 **data, const char *str);
+ #endif /* _LINUX_ETHTOOL_H */
+--- a/net/ethtool/ioctl.c
++++ b/net/ethtool/ioctl.c
+@@ -1953,6 +1953,13 @@ __printf(2, 3) void ethtool_sprintf(u8 *
+ }
+ EXPORT_SYMBOL(ethtool_sprintf);
+ 
++void ethtool_puts(u8 **data, const char *str)
++{
++      strscpy(*data, str, ETH_GSTRING_LEN);
++      *data += ETH_GSTRING_LEN;
++}
++EXPORT_SYMBOL(ethtool_puts);
++
+ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
+ {
+       struct ethtool_value id;

diff --git a/target/linux/generic/backport-6.1/894-v6.8-net-ethtool-implement-ethtool_puts.patch b/target/linux/generic/backport-6.1/894-v6.8-net-ethtool-implement-ethtool_puts.patch
new file mode 100644 (file)
index 0000000..5094a6d
--- /dev/null
+++ b/target/linux/generic/backport-6.1/894-v6.8-net-ethtool-implement-ethtool_puts.patch
@@ -0,0 +1,139 @@
+From mboxrd@z Thu Jan  1 00:00:00 1970
+Authentication-Results: smtp.subspace.kernel.org;
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+ id n190-20020a25dac7000000b00da031170f35mr28652ybf.3.1701904575576; Wed, 06
+ Dec 2023 15:16:15 -0800 (PST)
+Date: Wed, 06 Dec 2023 23:16:10 +0000
+In-Reply-To: <20231206-ethtool_puts_impl-v5-0-5a2528e17bf8@google.com>
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+X-Mailer: b4 0.12.3
+Message-ID: <20231206-ethtool_puts_impl-v5-1-5a2528e17bf8@google.com>
+Subject: [PATCH net-next v5 1/3] ethtool: Implement ethtool_puts()
+From: justinstitt@google.com
+To: "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
+       Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Shay Agroskin <shayagr@amazon.com>, 
+       Arthur Kiyanovski <akiyano@amazon.com>, David Arinzon <darinzon@amazon.com>, Noam Dagan <ndagan@amazon.com>, 
+       Saeed Bishara <saeedb@amazon.com>, Rasesh Mody <rmody@marvell.com>, 
+       Sudarsana Kalluru <skalluru@marvell.com>, GR-Linux-NIC-Dev@marvell.com, 
+       Dimitris Michailidis <dmichail@fungible.com>, Yisen Zhuang <yisen.zhuang@huawei.com>, 
+       Salil Mehta <salil.mehta@huawei.com>, Jesse Brandeburg <jesse.brandeburg@intel.com>, 
+       Tony Nguyen <anthony.l.nguyen@intel.com>, Louis Peens <louis.peens@corigine.com>, 
+       Shannon Nelson <shannon.nelson@amd.com>, Brett Creeley <brett.creeley@amd.com>, drivers@pensando.io, 
+       "K. Y. Srinivasan" <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Wei Liu <wei.liu@kernel.org>, 
+       Dexuan Cui <decui@microsoft.com>, Ronak Doshi <doshir@vmware.com>, 
+       VMware PV-Drivers Reviewers <pv-drivers@vmware.com>, Andy Whitcroft <apw@canonical.com>, Joe Perches <joe@perches.com>, 
+       Dwaipayan Ray <dwaipayanray1@gmail.com>, Lukas Bulwahn <lukas.bulwahn@gmail.com>, 
+       Hauke Mehrtens <hauke@hauke-m.de>, Andrew Lunn <andrew@lunn.ch>, 
+       Florian Fainelli <f.fainelli@gmail.com>, Vladimir Oltean <olteanv@gmail.com>, 
+       "=?utf-8?q?Ar=C4=B1n=C3=A7_=C3=9CNAL?=" <arinc.unal@arinc9.com>, Daniel Golle <daniel@makrotopia.org>, 
+       Landen Chao <Landen.Chao@mediatek.com>, DENG Qingfang <dqfext@gmail.com>, 
+       Sean Wang <sean.wang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, 
+       AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, 
+       Linus Walleij <linus.walleij@linaro.org>, 
+       "=?utf-8?q?Alvin_=C5=A0ipraga?=" <alsi@bang-olufsen.dk>, Wei Fang <wei.fang@nxp.com>, 
+       Shenwei Wang <shenwei.wang@nxp.com>, Clark Wang <xiaoning.wang@nxp.com>, 
+       NXP Linux Team <linux-imx@nxp.com>, Lars Povlsen <lars.povlsen@microchip.com>, 
+       Steen Hegelund <Steen.Hegelund@microchip.com>, Daniel Machon <daniel.machon@microchip.com>, 
+       UNGLinuxDriver@microchip.com, Jiawen Wu <jiawenwu@trustnetic.com>, 
+       Mengyuan Lou <mengyuanlou@net-swift.com>, Heiner Kallweit <hkallweit1@gmail.com>, 
+       Russell King <linux@armlinux.org.uk>, Alexei Starovoitov <ast@kernel.org>, 
+       Daniel Borkmann <daniel@iogearbox.net>, Jesper Dangaard Brouer <hawk@kernel.org>, 
+       John Fastabend <john.fastabend@gmail.com>
+Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, 
+       Nick Desaulniers <ndesaulniers@google.com>, Nathan Chancellor <nathan@kernel.org>, 
+       Kees Cook <keescook@chromium.org>, intel-wired-lan@lists.osuosl.org, 
+       oss-drivers@corigine.com, linux-hyperv@vger.kernel.org, 
+       linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, 
+       bpf@vger.kernel.org, Justin Stitt <justinstitt@google.com>
+Content-Type: text/plain; charset="utf-8"
+
+Use strscpy() to implement ethtool_puts().
+
+Functionally the same as ethtool_sprintf() when it's used with two
+arguments or with just "%s" format specifier.
+
+Signed-off-by: Justin Stitt <justinstitt@google.com>
+---
+ include/linux/ethtool.h | 13 +++++++++++++
+ net/ethtool/ioctl.c     |  7 +++++++
+ 2 files changed, 20 insertions(+)
+
+--- a/include/linux/ethtool.h
++++ b/include/linux/ethtool.h
+@@ -843,4 +843,17 @@ int ethtool_get_phc_vclocks(struct net_d
+  * next string.
+  */
+ extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...);
++
++/**
++ * ethtool_puts - Write string to ethtool string data
++ * @data: Pointer to a pointer to the start of string to update
++ * @str: String to write
++ *
++ * Write string to *data without a trailing newline. Update *data
++ * to point at start of next string.
++ *
++ * Prefer this function to ethtool_sprintf() when given only
++ * two arguments or if @fmt is just "%s".
++ */
++extern void ethtool_puts(u8 **data, const char *str);
+ #endif /* _LINUX_ETHTOOL_H */
+--- a/net/ethtool/ioctl.c
++++ b/net/ethtool/ioctl.c
+@@ -1974,6 +1974,13 @@ __printf(2, 3) void ethtool_sprintf(u8 *
+ }
+ EXPORT_SYMBOL(ethtool_sprintf);
+ 
++void ethtool_puts(u8 **data, const char *str)
++{
++      strscpy(*data, str, ETH_GSTRING_LEN);
++      *data += ETH_GSTRING_LEN;
++}
++EXPORT_SYMBOL(ethtool_puts);
++
+ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
+ {
+       struct ethtool_value id;