Commit e44773da authored by Anna Schumaker's avatar Anna Schumaker
Browse files

SUNRPC: Add srcaddr as a file in sysfs 



I don't support changing it right now, but it could be useful
information for clients with multiple network cards.

Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 5d46dd04

net/sunrpc/sysfs.c

+26 −0
Original line number Diff line number Diff line
@@ -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,