Jakub Kicinski 2d55d614fc net: xsk: don't return frames via the allocator on error ...

xdp_return_buff() is used when frame has been successfully
handled (transmitted) or if an error occurred during delayed
processing and there is no way to report it back to
xdp_do_redirect().

In case of __xsk_rcv_zc() error is propagated all the way
back to the driver, so there is no need to call
xdp_return_buff().  Driver will recycle the frame anyway
after seeing that error happened.

Fixes: 173d3adb6f43 ("xsk: add zero-copy support for Rx")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

2018-07-31 02:03:19 +02:00

..

Kconfig

…

Makefile

…

xdp_umem_props.h

…

xdp_umem.c

xsk: silence warning on memory allocation failure

2018-06-11 23:49:07 +02:00

xdp_umem.h

…

xsk_queue.c

…

xsk_queue.h

xsk: fix poll/POLLIN premature returns

2018-07-26 02:53:10 +02:00

xsk.c

net: xsk: don't return frames via the allocator on error

2018-07-31 02:03:19 +02:00