On Fri, Nov 11, 2016 at 10:18 AM, Simon Glass sjg@chromium.org wrote:
Hi Olliver, (is it one l or two?)
On 8 November 2016 at 08:54, Olliver Schinagl oliver@schinagl.nl wrote:
This patch adds a little tool that takes a generic MAC address and generates a CRC byte for it. The output is the full MAC address without any separators, ready written into an EEPROM.
Signed-off-by: Olliver Schinagl o.schinagl@ultimaker.com
tools/.gitignore | 1 + tools/Makefile | 4 ++++ tools/gen_ethaddr_crc.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 57 insertions(+) create mode 100644 tools/gen_ethaddr_crc.c
diff --git a/tools/.gitignore b/tools/.gitignore index cb1e722..0d1f076 100644 --- a/tools/.gitignore +++ b/tools/.gitignore @@ -6,6 +6,7 @@ /fit_check_sign /fit_info /gen_eth_addr +/gen_ethaddr_crc /ifdtool /img2srec /kwboot diff --git a/tools/Makefile b/tools/Makefile index 06afdb0..4879ded 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -43,6 +43,10 @@ envcrc-objs := envcrc.o lib/crc32.o common/env_embedded.o lib/sha1.o hostprogs-$(CONFIG_CMD_NET) += gen_eth_addr HOSTCFLAGS_gen_eth_addr.o := -pedantic
+hostprogs-$(CONFIG_CMD_NET) += gen_ethaddr_crc +gen_ethaddr_crc-objs := gen_ethaddr_crc.o lib/crc8.o +HOSTCFLAGS_gen_ethaddr_crc.o := -pedantic
hostprogs-$(CONFIG_CMD_LOADS) += img2srec HOSTCFLAGS_img2srec.o := -pedantic
diff --git a/tools/gen_ethaddr_crc.c b/tools/gen_ethaddr_crc.c new file mode 100644 index 0000000..9b5bdb0 --- /dev/null +++ b/tools/gen_ethaddr_crc.c @@ -0,0 +1,52 @@ +/*
- (C) Copyright 2016
- Olliver Schinagl oliver@schinagl.nl
- SPDX-License-Identifier: GPL-2.0+
- */
+#include <ctype.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <u-boot/crc.h>
+#define ARP_HLEN 6 /* Length of hardware address */
Is there no #define for this in standard headers?
There is. ARP_HLEN is defined in include/net.h