xCAT/confluent
2
0
Fork 0
mirror of https://github.com/xcat2/confluent.git synced 2024-11-24 18:41:55 +00:00
Code Issues Projects Releases Wiki Activity

ADd a sample for converting mac to lla

Browse Source
This commit is contained in:
Jarrod Johnson 2022-04-18 10:42:35 -04:00
parent f15802a9aa
commit f4eec09a41
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
misc/mac2lla.py Normal file
View File

@ -0,0 +1,12 @@
def mac_to_lladdr(mac):
macpieces = []
mac = mac.replace('-', ':')
for byte in mac.split(':'):
macpieces.append(int(byte, 16))
macpieces[0] = macpieces[0] ^ 2
llapieces = [(macpieces[0] << 8) + macpieces[1], (macpieces[2] << 8) + 0xff, 0xfe00 + macpieces[3], (macpieces[4] << 8) + macpieces[5]]
return 'fe80::{:x}:{:x}:{:x}:{:x}'.format(*llapieces)
if __name__ == '__main__':
import sys
print(mac_to_lladdr(sys.argv[1]))