Quoting r. Michael S. Tsirkin <[EMAIL PROTECTED]>:
> Subject: [PATCH] CMA: local/loopback address handling
>
> Sean,
> Apparently, on bind, loopback addresses such as 127.0.0.1 in TCP have the same
> meaning as zeronet ANY address.
>
> Specifically,
> getaddrinfo(NULL, port, &hints, &res);
>
> seems to return 127.0.0.1 as interface.
>
> The following patch makes it work for CMA as well.
> I also changed cma_loopback_addr to match any address in LOOPBACK
> subnet.
>
> --
>
> Interpret any ZERONET/LOOPBACK address as INADDR_ANY.
> Make cma_loopback_addr match any address in LOOPBACK subnet.
>
> Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
>
> Interpret any ZERONET/LOOPBACK address as INADDR_ANY.
> Make cma_loopback_addr match any address in LOOPBACK subnet.
>
> Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
Same thing for addr.c:
---
Interpret any ZERONET/LOOPBACK address as INADDR_ANY for address resolution.
Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
Index: linux-2.6.16/drivers/infiniband/core/addr.c
===================================================================
--- linux-2.6.16/drivers/infiniband/core/addr.c (revision 6012)
+++ linux-2.6.16/drivers/infiniband/core/addr.c (working copy)
@@ -272,7 +279,7 @@ static int addr_resolve_local(struct soc
if (!dev)
return -EADDRNOTAVAIL;
- if (!src_ip) {
+ if (ZERONET(src_ip) || LOOPBACK(src_ip)) {
src_in->sin_family = dst_in->sin_family;
src_in->sin_addr.s_addr = dst_ip;
ret = copy_addr(addr, dev, dev->dev_addr);
--
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies
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