Commit 41cb320b authored by Anna Schumaker's avatar Anna Schumaker Committed by Trond Myklebust
Browse files

sunrpc: Add a sysfs attr for xprtsec 



This allows the admin to check the TLS configuration for each xprt.

Reviewed-by: default avatarBenjamin Coddington <bcodding@redhat.com>
Signed-off-by: default avatarAnna Schumaker <anna.schumaker@oracle.com>
Link: https://lore.kernel.org/r/20250207204225.594002-3-anna@kernel.org


Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent e171b965

net/sunrpc/sysfs.c

+29 −0
Original line number Diff line number Diff line
@@ -129,6 +129,31 @@ static ssize_t rpc_sysfs_xprt_srcaddr_show(struct kobject *kobj, 
	return ret;

}



static const char *xprtsec_strings[] = {

	[RPC_XPRTSEC_NONE] = "none",

	[RPC_XPRTSEC_TLS_ANON] = "tls-anon",

	[RPC_XPRTSEC_TLS_X509] = "tls-x509",

};



static ssize_t rpc_sysfs_xprt_xprtsec_show(struct kobject *kobj,

					   struct kobj_attribute *attr,

					   char *buf)

{

	struct rpc_xprt *xprt = rpc_sysfs_xprt_kobj_get_xprt(kobj);

	ssize_t ret;



	if (!xprt) {

		ret = sprintf(buf, "<closed>\n");

		goto out;

	}



	ret = sprintf(buf, "%s\n", xprtsec_strings[xprt->xprtsec.policy]);

	xprt_put(xprt);

out:

	return ret;



}



static ssize_t rpc_sysfs_xprt_info_show(struct kobject *kobj,

					struct kobj_attribute *attr, char *buf)

{
@@ -404,6 +429,9 @@ static struct kobj_attribute rpc_sysfs_xprt_dstaddr = __ATTR(dstaddr, 
static struct kobj_attribute rpc_sysfs_xprt_srcaddr = __ATTR(srcaddr,

	0644, rpc_sysfs_xprt_srcaddr_show, NULL);



static struct kobj_attribute rpc_sysfs_xprt_xprtsec = __ATTR(xprtsec,

	0644, rpc_sysfs_xprt_xprtsec_show, NULL);



static struct kobj_attribute rpc_sysfs_xprt_info = __ATTR(xprt_info,

	0444, rpc_sysfs_xprt_info_show, NULL);
@@ -413,6 +441,7 @@ 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_xprtsec.attr,

	&rpc_sysfs_xprt_info.attr,

	&rpc_sysfs_xprt_change_state.attr,

	NULL,