From: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
I don't support changing it right now, but it could be useful
information for clients with multiple network cards.
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
---
net/sunrpc/sysfs.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c
index 64da3bfd28e6..2e7a53504974 100644
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -100,6 +100,28 @@ static ssize_t rpc_sysfs_xprt_dstaddr_show(struct kobject *kobj,
return ret + 1;
}
+static ssize_t rpc_sysfs_xprt_srcaddr_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
+{
+ struct rpc_xprt *xprt = rpc_sysfs_xprt_kobj_get_xprt(kobj);
+ struct sockaddr_storage saddr;
+ struct sock_xprt *sock;
+ ssize_t ret = -1;
+
+ if (!xprt)
+ return 0;
+
+ sock = container_of(xprt, struct sock_xprt, xprt);
+ if (kernel_getsockname(sock->sock, (struct sockaddr *)&saddr) < 0)
+ goto out;
+
+ ret = sprintf(buf, "%pISc\n", &saddr);
+out:
+ xprt_put(xprt);
+ return ret + 1;
+}
+
static ssize_t rpc_sysfs_xprt_info_show(struct kobject *kobj,
struct kobj_attribute *attr,
char *buf)
@@ -376,6 +398,9 @@ static const void *rpc_sysfs_xprt_namespace(struct kobject *kobj)
static struct kobj_attribute rpc_sysfs_xprt_dstaddr = __ATTR(dstaddr,
0644, rpc_sysfs_xprt_dstaddr_show, rpc_sysfs_xprt_dstaddr_store);
+static struct kobj_attribute rpc_sysfs_xprt_srcaddr = __ATTR(srcaddr,
+ 0644, rpc_sysfs_xprt_srcaddr_show, NULL);
+
static struct kobj_attribute rpc_sysfs_xprt_info = __ATTR(xprt_info,
0444, rpc_sysfs_xprt_info_show, NULL);
@@ -384,6 +409,7 @@ static struct kobj_attribute rpc_sysfs_xprt_change_state = __ATTR(xprt_state,
static struct attribute *rpc_sysfs_xprt_attrs[] = {
&rpc_sysfs_xprt_dstaddr.attr,
+ &rpc_sysfs_xprt_srcaddr.attr,
&rpc_sysfs_xprt_info.attr,
&rpc_sysfs_xprt_change_state.attr,
NULL,
--
2.32.0
