diff options
| author | Magnus Karlsson <magnus.karlsson@intel.com> | 2018-05-02 13:01:32 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-05-03 15:55:24 -0700 |
| commit | f61459030ec7fffdaa3c462cc0f728eef11b4d05 (patch) | |
| tree | af95ebd390dd699a4e21c8e33dbe7b5f5a77ceab /include/net | |
| parent | fe2308328cd2f26ebc986f543796e7d13ae00bc4 (diff) | |
| download | linux-f61459030ec7fffdaa3c462cc0f728eef11b4d05.tar.bz2 | |
xsk: add Tx queue setup and mmap support
Another setsockopt (XDP_TX_QUEUE) is added to let the process allocate
a queue, where the user process can pass frames to be transmitted by
the kernel.
The mmapping of the queue is done using the XDP_PGOFF_TX_QUEUE offset.
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/xdp_sock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index ce3a2ab16b8f..185f4928fbda 100644 --- a/include/net/xdp_sock.h +++ b/include/net/xdp_sock.h @@ -30,6 +30,7 @@ struct xdp_sock { struct xdp_umem *umem; struct list_head flush_node; u16 queue_id; + struct xsk_queue *tx ____cacheline_aligned_in_smp; /* Protects multiple processes in the control path */ struct mutex mutex; u64 rx_dropped; |