On 28.11.24 08:36, Sascha Hauer wrote: > On Tue, Nov 26, 2024 at 04:17:44PM +0100, Ahmad Fatoum wrote: >> We keep ethernet addresses either in binary or in text form at a couple >> of places, e.g. device tree, device parameters, struct net_device, >> ... etc. We have memcmp() and strcmp() respectively to compare each, add >> one more function to compare a text string with binary. This will be >> used in a follow up commit. >> >> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> >> --- >> include/net.h | 2 ++ >> net/lib.c | 17 +++++++++++++++++ >> 2 files changed, 19 insertions(+) >> >> diff --git a/include/net.h b/include/net.h >> index d9b7953a3c33..dbc45b806a51 100644 >> --- a/include/net.h >> +++ b/include/net.h >> @@ -366,6 +366,8 @@ IPaddr_t getenv_ip(const char *name); >> int setenv_ip(const char *name, IPaddr_t ip); >> >> int string_to_ethaddr(const char *str, u8 enetaddr[6]); >> +void ethaddr_to_string(const u8 enetaddr[6], char *str); >> +int ethaddr_string_cmp(const u8 enetaddr_a[6], const char *str_b); >> >> #ifdef CONFIG_NET_RESOLV >> int resolv(const char *host, IPaddr_t *ip); >> diff --git a/net/lib.c b/net/lib.c >> index dc6e138f392c..59bd4c280caf 100644 >> --- a/net/lib.c >> +++ b/net/lib.c >> @@ -37,6 +37,23 @@ int string_to_ethaddr(const char *str, u8 enetaddr[ETH_ALEN]) >> return 0; >> } >> >> +void ethaddr_to_string(const u8 enetaddr[ETH_ALEN], char *str) >> +{ >> + sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x", >> + enetaddr[0], enetaddr[1], enetaddr[2], enetaddr[3], >> + enetaddr[4], enetaddr[5]); >> +} > > Do you reintroduce this function on purpose or due to rebasing > conflicts? A MAC address can now be printed with "%pM". I wanted to avoid the CONFIG_PRINTF_HEXSTR dependency. > > Sascha > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |