ring: add necessary structures and helper functions for v3

Prepare and add some structures an helper functions for TPACKET_V3.

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

1 files changed, 5 insertions, 0 deletions

diff --git a/ring_rx.h b/ring_rx.h
index 8d695e5..0e0478c 100644
--- a/ring_rx.h
+++ b/ring_rx.h
@@ -28,4 +28,9 @@ static inline void kernel_may_pull_from_rx(struct tpacket2_hdr *hdr)
 	hdr->tp_status = TP_STATUS_KERNEL;
 }
 
+static inline void kernel_may_pull_from_rx_block(struct block_desc *pbd)
+{
+	pbd->h1.block_status = TP_STATUS_KERNEL;
+}
+
 #endif /* RX_RING_H */