tree aabf3247f651eeea5c1e9ed751435ab2ba5bc1d6
parent 423f38329d267969130fb6f2c685f73d72687558
author Björn Töpel <bjorn.topel@intel.com> 1525258885 +0200
committer Alexei Starovoitov <ast@kernel.org> 1525388123 -0700

xsk: add Rx queue setup and mmap support

Another setsockopt (XDP_RX_QUEUE) is added to let the process allocate
a queue, where the kernel can pass completed Rx frames from the kernel
to user process.

The mmapping of the queue is done using the XDP_PGOFF_RX_QUEUE offset.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>