David Ahern wrote:
> On 2/22/18 6:02 AM, Serhey Popovych wrote:
>> To benefit other users (e.g. link_veth.c) of iplink_parse() from
>> additional attribute checks and setups made in iplink_modify(). This
>> catches most of weired cobination of parameters to peer device
>> configuration.
>>
>> Drop @link, @group and @index from iplink_parse() parameters list: they
>> are not needed outside.
>>
>> While there change return -1 to exit(-1) for group parsing errors: we
>> want to stop further command processing unless -force option is given
>> to get error line easily.
>>
>> Signed-off-by: Serhey Popovych
>> ---
>> ip/ip_common.h|3 +-
>> ip/iplink.c | 118
>> +
>> ip/iplink_vxcan.c | 13 +-
>> ip/link_veth.c| 13 +-
>> 4 files changed, 59 insertions(+), 88 deletions(-)
>>
>
> IMO veth and vxcan should not be re-using iplink_parse since they only
> want a subset of the parsing.
>
In kernel we call rtnl_create_link() and rtnl_configure_link() to
configure peer device from VETH_INFO_PEER. Also we use ifla_policy
from net/core/rtnetlink.c with lots of parameters. Agree not all of them
needed/used for veth, but at the moment dropping iplink_parse() from
vxcan and veth in iproute2 without corresponding change may restrict
functionality.
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