On Sun, Apr 30, 2017 at 09:46:44PM -0700, Jakub Kicinski wrote: > Hi! > > This series is an attempt to make XDP more user friendly by > enabling exploiting the recently added netlink extended ACK > reporting to carry messages to user space. > > David Ahern's iproute2 ext ack patches for ip link are sufficient > to show the errors like this: > > # ip link set dev p4p1 xdp obj ipip_prepend.o sec ".text" > Error: nfp: MTU too large w/ XDP enabled > > Where the message is coming directly from the driver. There could > still be a bit of a leap for a complete novice from the message > above to the right settings, but it's a big improvement over the > standard "Invalid argument" message. > > v1/non-rfc: > - add a separate macro in patch 1; > - add KBUILD_MODNAME as part of the message (Daniel); > - don't print the error to logs in patch 1. > > Jakub Kicinski (4): > netlink: add NULL-friendly helper for setting extended ACK message > xdp: propagate extended ack to XDP setup > nfp: make use of extended ack message reporting > virtio_net: make use of extended ack message reporting
Reviewed-by: Simon Horman <simon.hor...@netronome.com>
