man: bpfc: add netlink arp header

As per [1] we now also have an official hw device identifier for
Netlink. Add it to bpfc man page as we can capture from an nlmon
device.

 [1] http://patchwork.ozlabs.org/patch/253293/

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

1 files changed, 1 insertions, 0 deletions

diff --git a/bpfc.8 b/bpfc.8
index b624609..62ee451 100644
--- a/bpfc.8
+++ b/bpfc.8
@@ -209,6 +209,7 @@ unsigned data structures:
                                        802 - IEEE 802.11 + Prism2 header
                                        803 - IEEE 802.11 + radiotap header
                                        823 - GRE over IP6
+                                       824 - Netlink
                                        [...] See include/uapi/linux/if_arp.h
 .PP
 Note that the majority of BPF extensions are available on Linux only.