diff options
| author | Stephen Hemminger <shemminger@vyatta.com> | 2008-05-03 03:53:33 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-03 03:53:33 +0400 |
| commit | ae4f8fca4030a4e783fa4ccb0c9d8d8a8cf60a32 (patch) | |
| tree | d2886fa956395043efa25bd1aebb93da27162b78 /include/linux/if_bridge.h | |
| parent | 920e37f76b19b4a3d8a1a3144cd6ee24e0e7f5b4 (diff) | |
| download | linux-ae4f8fca4030a4e783fa4ccb0c9d8d8a8cf60a32.tar.xz | |
bridge: forwarding table information for >256 devices
The forwarding table binary interface (my bad choice), only exposes
the port number of the first 8 bits. The bridge code was limited to
256 ports at the time, but now the kernel supports up 1024 ports, so
the upper bits are lost when doing:
brctl showmacs
The fix is to squeeze the extra bits into small hole left in data
structure, to maintain binary compatiablity.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/if_bridge.h')
| -rw-r--r-- | include/linux/if_bridge.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h index 58e43e566457..950e13d09e06 100644 --- a/include/linux/if_bridge.h +++ b/include/linux/if_bridge.h @@ -97,7 +97,9 @@ struct __fdb_entry __u8 port_no; __u8 is_local; __u32 ageing_timer_value; - __u32 unused; + __u8 port_hi; + __u8 pad0; + __u16 unused; }; #ifdef __KERNEL__ |