i misunderstood.
I didn't realize ip_resolve_local() will fail if the address it a remote
address.
nevermind...
:-\
----- Original Message -----
From: "Fab Tillier" <[EMAIL PROTECTED]>
To: "'Steve Wise'" <[EMAIL PROTECTED]>; "Sean Hefty"
<[EMAIL PROTECTED]>; "Tom Tucker" <[EMAIL PROTECTED]>
Cc: <[email protected]>
Sent: Friday, November 04, 2005 12:33 PM
Subject: RE: [openib-general][PATCH] local device search with
sourceaddresswildcard
From: Steve Wise [mailto:[EMAIL PROTECTED]
Sent: Friday, November 04, 2005 10:23 AM
----- Original Message -----
From: "Sean Hefty" <[EMAIL PROTECTED]>
To: "Tom Tucker" <[EMAIL PROTECTED]>
Cc: <[email protected]>
> Tom Tucker wrote:
>> Sean:
>>
>> I was looking through ip_resolve_local and it looks to me like
>> if the source address is 0, it will end up getting set to the
>> destination IP instead of the IP address of the local interface.
>
> The intent of ip_resolve_local() is to check if a given destination
> address is on the local system. If it is and no source address is
> specified, then the source address is set to the same address as the
> destination.
>
This doesn't sound correct to me. The src ip address is supposed to
be
the local ip address to be used for establishing the connection. If
you
set it to the destination address, then you'd end up passing that
address to the peer in the private data, and that is incorrect...
If the destination address is on the local system, then the user is
establishing
a loopback connection. I think that if the user didn't specify a source
address, returning the same address as the destination should give the
proper
results.
For loopback connections, source and destination can (and will likely)
be the
same.
- Fab
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