https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=226688
Alexander V. Chernikov <melif...@freebsd.org> changed:
What |Removed |Added
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CC| |melif...@freebsd.org
--- Comment #6 from Alexander V. Chernikov <melif...@freebsd.org> ---
Interestingly, there seem to be an issue with the ipfw <> radix interaction.
ipfw record add process for radix-backed table:
input -> ta_prepare_add_radix() -> tei_to_sockaddr_ent()
ta_add_radix -> rnh->rnh_addaddr() == rn_addroute()
dtrace:
## good one:
1 65028 tei_to_sockaddr_ent:return addr=255.255.255.251
mask=255.255.255.255
1 26742 rn_addroute:entry addr=fffff8006fc26560 mask=0
rh=fffff80005046d00 elem=fffff8006fc26500
key: addr=255.255.255.251 len=8 family=2
1 26743 rn_addroute:return ret=fffff8006fc26500
1 64859 ta_add_radix:return return=0
## bad one:
1 65028 tei_to_sockaddr_ent:return addr=255.255.255.255
mask=255.255.255.255
1 26742 rn_addroute:entry addr=fffff8006fc26be0 mask=0
rh=fffff80005046d00 elem=fffff8006fc26b80
key: addr=255.255.255.255 len=8 family=2
1 26743 rn_addroute:return ret=0
1 64859 ta_add_radix:return return=22
## in general, radix seem to work with 255.255.255.255:
## route add -host 255.255.255.255 10.0.0.2
1 26742 rn_addroute:entry addr=fffff80003b63ce0 mask=0
rh=fffff80003b02800 elem=fffff800320cdc30
key: addr=255.255.255.255 len=16 family=2
1 26743 rn_addroute:return ret=fffff800320cdc30
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