ring: prepare setup_rx_ring_layout for support in v2/v3

Prepare setup_rx_ring_layout for both, v2 and v3. Also do some checks
during compile time if offsets stay the same as we operate on different
union mappings.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/ring_tx.c b/ring_tx.c
index f91f7f7..b7cde7e 100644
--- a/ring_tx.c
+++ b/ring_tx.c
@@ -61,9 +61,7 @@ void setup_tx_ring_layout(int sock, struct ring *ring, unsigned int size,
 				   ring->layout.tp_frame_size *
 				   ring->layout.tp_block_nr;
 
-	bug_on(ring->layout.tp_block_size < ring->layout.tp_frame_size);
-	bug_on((ring->layout.tp_block_size % ring->layout.tp_frame_size) != 0);
-	bug_on((ring->layout.tp_block_size % getpagesize()) != 0);
+	ring_verify_layout(ring);
 }
 
 void create_tx_ring(int sock, struct ring *ring, int verbose)