Re: [uml-devel] PATCH: Netdevice 0 -- port number patch

[Michael Richardson <mcr@sandelman.ottawa.on.ca>]

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>>>>> "Jeff" == Jeff Dike <jdike@addtoit.com> writes:
    >> This fixes the mcast device code to log the right port number.

    Jeff> I don't see that the port number was ever in network order, so
    Jeff> I don't see that it needs converting.

  Well, it has to be in network byte order to bind() or connect() the socket.
  It is placed in network byte order at line 145 of mcast_kern.c.

  And, there is a byte order difference:

east:~# dmesg | grep eth  
Kernel command line: root=/dev/root rootfstype=hostfs rootflags=/mara4/openswan-2/nightly/UMLPOOL/east/root rw eth0=mcast,10:00:00:dc:bc:ff,239.192.0.1,21200 eth1=mcast,10:00:00:64:64:23,239.192.1.2,31200 eth2=mcast,10:00:00:32:64:23,239.192.3.2,31210

east:~# dmesg | grep 'Net'
Netdevice 0 (10:00:00:dc:bc:ff) : mcast backend multicast adddress: 239.192.0.1:53330, TTL:1 
Netdevice 1 (10:00:00:64:64:23) : mcast backend multicast adddress: 239.192.1.2:57465, TTL:1 
Netdevice 2 (10:00:00:32:64:23) : mcast backend multicast adddress: 239.192.3.2:60025, TTL:1 

and 

marajade-[/mara4/openswan-2/nightly] mcr 1039 %bc 
bc 1.06
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'. 
obase=16
53330
D052
21200
52D0

- --
]     "Elmo went to the wrong fundraiser" - The Simpson         |  firewalls  [
]   Michael Richardson,    Xelerance Corporation, Ottawa, ON    |net architect[
] mcr@xelerance.com      http://www.sandelman.ottawa.on.ca/mcr/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [
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