Girish Moodalbail c5ebc4409f geneve: use netlink_ext_ack for error reporting in rtnl operations ...

Add extack error messages for failure paths while creating/modifying
geneve devices. Once extack support is added to iproute2, more
meaningful and helpful error messages will be displayed making it easy
for users to discern what went wrong.

Before:

=======
$ ip link add gen1 address 0:1:2:3:4:5:6 type geneve id 200 \
  remote 192.168.13.2
RTNETLINK answers: Invalid argument

After:
======
$ ip link add gen1 address 0:1:2:3:4:5:6 type geneve id 200 \
  remote 192.168.13.2
Error: Provided link layer address is not Ethernet

Also, netdev_dbg() calls used to log errors associated with Netlink
request have been removed.

Signed-off-by: Girish Moodalbail <girish.moodalbail@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2017-08-11 13:45:02 -07:00

44 KiB

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