Sean Hefty wrote:
> The rdma cm was never fully coded or tested for ipv6 support.
Sean, even if not fully coded/tested, some work has been done, e.g commits
38617c64 "RDMA/addr: Add support for translating IPv6 addresses" and 1f5175ad
"RDMA/cma: Add IPv6 support". I suggest we'll try to see what
On Sun, Oct 11, 2009 at 09:29:08AM +0200, Or Gerlitz wrote:
> Sean Hefty wrote:
> > The rdma cm was never fully coded or tested for ipv6 support.
> Sean, even if not fully coded/tested, some work has been done, e.g
> commits 38617c64 "RDMA/addr: Add support for translating IPv6
> addresses" and 1
David J. Wilder wrote:
> I added an option to rping to specify a source address and supply it to
patch?
> rdma_resolve_addr(), but now it is failing rdma_resolve_route().
> $ ./rping -d -c -v -a fe80::202:c903:1:1925 -i fe80::202:c903:1:28ed
> cma_event type RDMA_CM_EVENT_ADDR_RESOLVED cma_id 0
On Fri, 2009-10-09 at 22:53 +0200, Or Gerlitz wrote:
> David J. Wilder wrote:
> > I added an option to rping to specify a source address and supply it to
>
> patch?
>
> > rdma_resolve_addr(), but now it is failing rdma_resolve_route().
> > $ ./rping -d -c -v -a fe80::202:c903:1:1925 -i fe80::2
David J. Wilder wrote:
> If I run rping without my rping change to add the source address to
> rdma_resolve_address(), ip neigh show gives: fe80::202:c903:1:1925 dev eth1
> FAILED
> Notice that interface is incorrect, it should be ib0. tcpdump showed the
> neighbor-discovery sent out the eth0
On Fri, Oct 09, 2009 at 02:15:01PM -0700, David J. Wilder wrote:
> Yes ping6 will work but I must specify the interface to use:
> ping6 fe80::202:c903:1:1925%ib0
>
> Here is the patch to rping to allow the source address to be specified.
> I am not sure this is the correct approach to fix this.
>rdma_resolve_addr (and likely the underlying kernel component) must
>respect this when dealing with link local scope addresses.
>
>rmda_resolve_addr should fail if a link local IPv6 address is provided
>without scope, like the normal IP stack:
The rdma cm was never fully coded or tested for ipv6
On Fri, 2009-10-09 at 16:46 -0600, Jason Gunthorpe wrote:
> On Fri, Oct 09, 2009 at 02:15:01PM -0700, David J. Wilder wrote:
>
> > Yes ping6 will work but I must specify the interface to use:
> > ping6 fe80::202:c903:1:1925%ib0
> >
> > Here is the patch to rping to allow the source address to be
On Mon, Oct 12, 2009 at 10:52:59AM -0700, David J. Wilder wrote:
> > It is not, IPv6 link local addresses must be scoped. rping is
> > parsing the address with getaddrinfo, that does correctly set the
> > sin6_scope_id value in the sockaddr.
>
> ping6 is scoping the address (setting sin6_scope_id
