[openib-general] [PATCH 3/5] export of ip_dev_find as part of Infiniband connection abstraction
Sean Hefty
sean.hefty at intel.com
Fri Mar 3 13:14:23 PST 2006
I wanted to make doubly sure that this didn't get lost in the patch series, but
ip_dev_find() is re-exported. The use is shown below.
- Sean
>+int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
>+{
>+ struct net_device *dev;
>+ u32 ip = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
>+ int ret;
>+
>+ dev = ip_dev_find(ip);
>+ if (!dev)
>+ return -EADDRNOTAVAIL;
>+
>+ ret = copy_addr(dev_addr, dev, NULL);
>+ dev_put(dev);
>+ return ret;
>+}
{snip}
>+static int addr_resolve_local(struct sockaddr_in *src_in,
>+ struct sockaddr_in *dst_in,
>+ struct rdma_dev_addr *addr)
>+{
>+ struct net_device *dev;
>+ u32 src_ip = src_in->sin_addr.s_addr;
>+ u32 dst_ip = dst_in->sin_addr.s_addr;
>+ int ret;
>+
>+ dev = ip_dev_find(dst_ip);
>+ if (!dev)
>+ return -EADDRNOTAVAIL;
>+
>+ if (!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);
>+ } else {
>+ ret = rdma_translate_ip((struct sockaddr *)src_in, addr);
>+ if (!ret)
>+ memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN);
>+ }
>+
>+ dev_put(dev);
>+ return ret;
>+}
{snip}
>diff -uprN -X linux-2.6.git/Documentation/dontdiff
>linux-2.6.git/net/ipv4/fib_frontend.c
>linux-2.6.ib/net/ipv4/fib_frontend.c
>--- linux-2.6.git/net/ipv4/fib_frontend.c 2006-01-16 10:28:29.000000000
-0800
>+++ linux-2.6.ib/net/ipv4/fib_frontend.c 2006-01-16 16:14:24.000000000
-0800
>@@ -666,4 +666,5 @@ void __init ip_fib_init(void)
> }
>
> EXPORT_SYMBOL(inet_addr_type);
>+EXPORT_SYMBOL(ip_dev_find);
> EXPORT_SYMBOL(ip_rt_ioctl);
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