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path: root/drivers/net/netdevsim/dev.c
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Diffstat (limited to 'drivers/net/netdevsim/dev.c')
-rw-r--r--drivers/net/netdevsim/dev.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index fbc4cdcfe551..31d1752c703a 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -90,6 +90,10 @@ static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev)
&nsim_dev->test1);
debugfs_create_file("take_snapshot", 0200, nsim_dev->ddir, nsim_dev,
&nsim_dev_take_snapshot_fops);
+ debugfs_create_bool("dont_allow_reload", 0600, nsim_dev->ddir,
+ &nsim_dev->dont_allow_reload);
+ debugfs_create_bool("fail_reload", 0600, nsim_dev->ddir,
+ &nsim_dev->fail_reload);
return 0;
}
@@ -478,6 +482,14 @@ static int nsim_dev_reload_down(struct devlink *devlink, bool netns_change,
{
struct nsim_dev *nsim_dev = devlink_priv(devlink);
+ if (nsim_dev->dont_allow_reload) {
+ /* For testing purposes, user set debugfs dont_allow_reload
+ * value to true. So forbid it.
+ */
+ NL_SET_ERR_MSG_MOD(extack, "User forbidded reload for testing purposes");
+ return -EOPNOTSUPP;
+ }
+
nsim_dev_reload_destroy(nsim_dev);
return 0;
}
@@ -487,6 +499,14 @@ static int nsim_dev_reload_up(struct devlink *devlink,
{
struct nsim_dev *nsim_dev = devlink_priv(devlink);
+ if (nsim_dev->fail_reload) {
+ /* For testing purposes, user set debugfs fail_reload
+ * value to true. Fail right away.
+ */
+ NL_SET_ERR_MSG_MOD(extack, "User setup the reload to fail for testing purposes");
+ return -EINVAL;
+ }
+
return nsim_dev_reload_create(nsim_dev, extack);
}