From: Randy Dunlap <rdunlap@infradead.org>
To: "Michael Walle" <michael@walle.cc>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Richard Weinberger" <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>,
"Shawn Guo" <shawnguo@kernel.org>, "Li Yang" <leoyang.li@nxp.com>,
"Rafał Miłecki" <rafal@milecki.pl>,
"Frank Rowand" <frowand.list@gmail.com>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Ahmad Fatoum <a.fatoum@pengutronix.de>,
Philipp Zabel <p.zabel@pengutronix.de>,
Andrew Lunn <andrew@lunn.ch>, Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH v2 01/20] net: add helper eth_addr_add()
Date: Thu, 1 Sep 2022 16:22:47 -0700 [thread overview]
Message-ID: <3b86cb68-2b30-76dd-baf5-90af0b0a60a4@infradead.org> (raw)
In-Reply-To: <20220901221857.2600340-2-michael@walle.cc>
On 9/1/22 15:18, Michael Walle wrote:
> Add a helper to add an offset to a ethernet address. This comes in handy
> if you have a base ethernet address for multiple interfaces.
>
> Signed-off-by: Michael Walle <michael@walle.cc>
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> Acked-by: Jakub Kicinski <kuba@kernel.org>
> ---
> changes since v1:
> - none
>
> include/linux/etherdevice.h | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
> index a541f0c4f146..f144cadbe99d 100644
> --- a/include/linux/etherdevice.h
> +++ b/include/linux/etherdevice.h
> @@ -507,6 +507,20 @@ static inline void eth_addr_inc(u8 *addr)
> u64_to_ether_addr(u, addr);
> }
>
> +/**
> + * eth_addr_add() - Add (or subtract) and offset to/from the given MAC address.
an offset
?
> + *
> + * @offset: Offset to add.
> + * @addr: Pointer to a six-byte array containing Ethernet address to increment.
> + */
> +static inline void eth_addr_add(u8 *addr, long offset)
> +{
> + u64 u = ether_addr_to_u64(addr);
> +
> + u += offset;
> + u64_to_ether_addr(u, addr);
> +}
> +
> /**
> * is_etherdev_addr - Tell if given Ethernet address belongs to the device.
> * @dev: Pointer to a device structure
--
~Randy
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next prev parent reply other threads:[~2022-09-01 23:23 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 22:18 [PATCH v2 00/20] nvmem: core: introduce NVMEM layouts Michael Walle
2022-09-01 22:18 ` [PATCH v2 01/20] net: add helper eth_addr_add() Michael Walle
2022-09-01 23:22 ` Randy Dunlap [this message]
2022-09-02 7:27 ` Michael Walle
2022-09-01 22:18 ` [PATCH v2 02/20] of: base: add of_parse_phandle_with_optional_args() Michael Walle
2022-09-01 22:18 ` [PATCH v2 03/20] nvmem: core: add an index parameter to the cell Michael Walle
2022-09-09 8:12 ` Srinivas Kandagatla
2022-09-01 22:18 ` [PATCH v2 04/20] nvmem: core: move struct nvmem_cell_info to nvmem-provider.h Michael Walle
2022-09-01 22:18 ` [PATCH v2 05/20] nvmem: core: drop the removal of the cells in nvmem_add_cells() Michael Walle
2022-09-01 22:18 ` [PATCH v2 06/20] nvmem: core: add nvmem_add_one_cell() Michael Walle
2022-09-09 8:52 ` Srinivas Kandagatla
2022-09-01 22:18 ` [PATCH v2 07/20] nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of() Michael Walle
2022-09-01 22:18 ` [PATCH v2 08/20] nvmem: core: introduce NVMEM layouts Michael Walle
2022-09-01 22:18 ` [PATCH v2 09/20] nvmem: core: add per-cell post processing Michael Walle
2022-09-01 22:18 ` [PATCH v2 10/20] nvmem: core: allow to modify a cell before adding it Michael Walle
2022-09-01 22:18 ` [PATCH v2 11/20] nvmem: imx-ocotp: replace global post processing with layouts Michael Walle
2022-09-07 12:31 ` Michael Walle
2022-09-01 22:18 ` [PATCH v2 12/20] nvmem: cell: drop global cell_post_process Michael Walle
2022-09-01 22:18 ` [PATCH v2 13/20] nvmem: core: drop priv pointer in post process callback Michael Walle
2022-09-09 8:52 ` Srinivas Kandagatla
2022-09-09 8:58 ` Michael Walle
2022-09-09 9:08 ` Srinivas Kandagatla
2022-09-09 9:39 ` Michael Walle
2022-09-01 22:18 ` [PATCH v2 14/20] dt-bindings: mtd: relax the nvmem compatible string Michael Walle
2022-09-08 12:21 ` Krzysztof Kozlowski
2022-09-01 22:18 ` [PATCH v2 15/20] dt-bindings: nvmem: add YAML schema for the sl28 vpd layout Michael Walle
2022-09-08 12:22 ` Krzysztof Kozlowski
2022-09-12 19:20 ` Rob Herring
2022-09-13 14:21 ` Michael Walle
2022-09-22 9:22 ` Miquel Raynal
2022-09-01 22:18 ` [PATCH v2 16/20] nvmem: layouts: add sl28vpd layout Michael Walle
2022-09-01 22:18 ` [PATCH v2 17/20] nvmem: core: export nvmem device size Michael Walle
2022-09-01 22:18 ` [PATCH v2 18/20] arm64: dts: ls1028a: sl28: get MAC addresses from VPD Michael Walle
2022-09-01 22:18 ` [RFC PATCH v2 19/20] nvmem: layouts: rewrite the u-boot-env driver as a NVMEM layout Michael Walle
2022-09-21 10:37 ` Miquel Raynal
2022-09-01 22:18 ` [RFC PATCH v2 20/20] nvmem: layouts: u-boot-env: add device node Michael Walle
2022-09-21 9:58 ` [PATCH v2 00/20] nvmem: core: introduce NVMEM layouts Miquel Raynal
2022-09-22 21:22 ` Srinivas Kandagatla
2022-09-23 8:31 ` Miquel Raynal
2022-09-23 15:47 ` Miquel Raynal
2022-09-23 17:28 ` Michael Walle
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