packet: fill the gap of TPACKET_ALIGNMENT with zeros
struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT.
Explicitly defining and zeroing the gap of this makes additional changes
easier.
Signed-off-by: Atzm Watanabe <atzm@stratosphere.co.jp>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h
index 1e24aa7..9185dc9 100644
--- a/include/uapi/linux/if_packet.h
+++ b/include/uapi/linux/if_packet.h
@@ -133,7 +133,7 @@
__u32 tp_sec;
__u32 tp_nsec;
__u16 tp_vlan_tci;
- __u16 tp_padding;
+ __u8 tp_padding[6];
};
struct tpacket_hdr_variant1 {
@@ -154,6 +154,7 @@
union {
struct tpacket_hdr_variant1 hv1;
};
+ __u8 tp_padding[12];
};
struct tpacket_bd_ts {