Add support for the AF_INET6 family of IP addresses in __nfs_find_client.
Signed-off-by: Chuck Lever <[EMAIL PROTECTED]>
Cc: Aurelien Charbon <[EMAIL PROTECTED]>
---
fs/nfs/client.c | 34 +++++++++++++++++++++++++++-------
1 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8eff0b2..67a5a53 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -34,6 +34,8 @@
#include <linux/nfs_idmap.h>
#include <linux/vfs.h>
#include <linux/inet.h>
+#include <linux/in6.h>
+#include <net/ipv6.h>
#include <linux/nfs_xdr.h>
#include <asm/system.h>
@@ -213,11 +215,10 @@ static struct nfs_client *__nfs_find_client(const struct
sockaddr *addr,
unsigned int nfsversion,
int match_port)
{
- struct sockaddr_in *ap = (struct sockaddr_in *)addr;
struct nfs_client *clp;
list_for_each_entry(clp, &nfs_client_list, cl_share_link) {
- struct sockaddr_in *clap = (struct sockaddr_in *)&clp->cl_addr;
+ struct sockaddr *clap = (struct sockaddr *)&clp->cl_addr;
/* Don't match clients that failed to initialise properly */
if (clp->cl_cons_state < 0)
@@ -227,14 +228,33 @@ static struct nfs_client *__nfs_find_client(const struct
sockaddr *addr,
if (clp->rpc_ops->version != nfsversion)
continue;
- if (((struct sockaddr *)clap)->sa_family != addr->sa_family)
+ if (clap->sa_family != addr->sa_family)
continue;
- if (clap->sin_addr.s_addr != ap->sin_addr.s_addr)
+ switch (addr->sa_family) {
+ case AF_INET: {
+ struct sockaddr_in *sap = (struct sockaddr_in *)clap;
+ struct sockaddr_in *ap = (struct sockaddr_in *)addr;
+ if (sap->sin_addr.s_addr != ap->sin_addr.s_addr)
+ continue;
+ if (!match_port || sap->sin_port == ap->sin_port)
+ goto found;
continue;
-
- if (!match_port || clap->sin_port == ap->sin_port)
- goto found;
+ }
+ case AF_INET6: {
+ struct sockaddr_in6 *sap = (struct sockaddr_in6 *)clap;
+ struct sockaddr_in6 *ap = (struct sockaddr_in6 *)addr;
+ if (!ipv6_addr_equal(&sap->sin6_addr, &ap->sin6_addr))
+ continue;
+ if (!match_port || sap->sin6_port == ap->sin6_port)
+ goto found;
+ continue;
+ }
+ default:
+ printk(KERN_ERR "%s: address family not supported\n",
+ __FUNCTION__);
+ return NULL;
+ }
}
return NULL;
-
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