>From ba9050a683e8c4ede8aa0d0739c6828b9dcf949f Mon Sep 17 00:00:00 2001
From: Aleksey Senin <[EMAIL PROTECTED]>
Date: Wed, 13 Aug 2008 09:53:16 +0300
Subject: [RDMA CM IPv6 support. PATCHv3 3/9] IPv6 support in rdma_translate_ip
Added support for IPv6 family in rdma_translate_ip function
New function cma_ipv6_dev_find used for searching netdevice with
given IP address
Signed-off-by: Aleksey Senin <[EMAIL PROTECTED]>
---
drivers/infiniband/core/addr.c | 31 ++++++++++++++++++++++++-------
1 files changed, 24 insertions(+), 7 deletions(-)
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index b59ad53..dd5997b 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -42,6 +42,7 @@
#include <net/route.h>
#include <net/netevent.h>
#include <rdma/ib_addr.h>
+#include <net/addrconf.h>
MODULE_AUTHOR("Sean Hefty");
MODULE_DESCRIPTION("IB Address Translation");
@@ -110,18 +111,34 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct
net_device *dev,
}
EXPORT_SYMBOL(rdma_copy_addr);
+static struct net_device *cma_ipv6_dev_find(struct in6_addr *addr)
+{
+ struct net_device *dev;
+ for_each_netdev(&init_net, dev)
+ if (ipv6_chk_addr(&init_net, addr, dev, 1))
+ return dev;
+ return NULL;
+}
+
int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
{
struct net_device *dev;
- __be32 ip = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
- int ret;
-
- dev = ip_dev_find(&init_net, ip);
- if (!dev)
- return -EADDRNOTAVAIL;
+ int ret = -EADDRNOTAVAIL;
+
+ if (addr->sa_family == AF_INET) {
+ dev = ip_dev_find(&init_net,
+ ((struct sockaddr_in *) addr)->sin_addr.s_addr);
+ if (dev) {
+ ret = rdma_copy_addr(dev_addr, dev, NULL);
+ dev_put(dev);
+ }
+ } else {
+ dev = cma_ipv6_dev_find(
+ &((struct sockaddr_in6 *)addr)->sin6_addr);
+ if (dev)
+ ret = rdma_copy_addr(dev_addr, dev, NULL);
+ }
- ret = rdma_copy_addr(dev_addr, dev, NULL);
- dev_put(dev);
return ret;
}
EXPORT_SYMBOL(rdma_translate_ip);
--
1.5.6.dirty
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