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| author | Pavel Emelyanov <xemul@openvz.org> | 2008-01-10 22:37:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:01:43 -0800 |
| commit | 39971554d3469b48154f34257ad4a35081b7ee40 (patch) | |
| tree | c58af51601f8197d87894a916c8592a8c5555175 /include/net/neighbour.h | |
| parent | 9993e7d313e80bdc005d09c7def91903e0068f07 (diff) | |
| download | lwn-39971554d3469b48154f34257ad4a35081b7ee40.tar.gz lwn-39971554d3469b48154f34257ad4a35081b7ee40.zip | |
[NEIGH]: Add a comment describing what a NUD stands for.
When I studied the neighbor code I puzzled over what the NUD can mean
for quite a long time.
Finally I asked Alexey and he said that this was smth like "neighbor
unreachability detection".
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/neighbour.h')
| -rw-r--r-- | include/net/neighbour.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 09f9fc60a779..a0d42a54cfb2 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -26,6 +26,10 @@ #include <linux/sysctl.h> #include <net/rtnetlink.h> +/* + * NUD stands for "neighbor unreachability detection" + */ + #define NUD_IN_TIMER (NUD_INCOMPLETE|NUD_REACHABLE|NUD_DELAY|NUD_PROBE) #define NUD_VALID (NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE|NUD_PROBE|NUD_STALE|NUD_DELAY) #define NUD_CONNECTED (NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE) |