[RFC net-next 09/15] net: lora: Prepare EUI helpers
From: afaerber@suse.de (Andreas Färber)
Date: 2018-07-01 11:09:15
Also in:
lkml, netdev
Subsystem:
the rest · Maintainer:
Linus Torvalds
These will be used by the RN2483 and other LoRaWAN capable modules. Signed-off-by: Andreas F?rber <afaerber@suse.de> --- include/linux/lora/dev.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/include/linux/lora/dev.h b/include/linux/lora/dev.h
index 531e68f0c9a6..153f9b2992ca 100644
--- a/include/linux/lora/dev.h
+++ b/include/linux/lora/dev.h@@ -9,6 +9,27 @@ #include <linux/netdevice.h> +typedef u8 lora_eui[8]; + +#define PRIxLORAEUI "%02x%02x%02x%02x%02x%02x%02x%02x" +#define PRIXLORAEUI "%02X%02X%02X%02X%02X%02X%02X%02X" +#define LORA_EUI(x) x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7] + +static inline int lora_strtoeui(const char *str, lora_eui *val) +{ + char buf[3]; + int i, ret; + + for (i = 0; i < 8; i++) { + strncpy(buf, str + i * 2, 2); + buf[2] = 0; + ret = kstrtou8(buf, 16, &(*val)[i]); + if (ret) + return ret; + } + return 0; +} + struct net_device *alloc_loradev(int sizeof_priv); void free_loradev(struct net_device *dev); int register_loradev(struct net_device *dev);
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2.16.4