diff options
| author |   Jiri Pirko <jiri@mellanox.com> | 2019-10-06 08:30:01 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-06 18:28:42 +0200 |
| commit | 155ddfc5e54a68f0e8d20f31f2b4b6b25e1071b5 (patch) | |
| tree | 98dbd13c3689d12b080dc20bdd33edcd2305e1e1 /drivers/net/netdevsim | |
| parent | Merge branch 'net-genetlink-parse-attrs-for-dumpit-callback' (diff) | |
| download | linux-dev-155ddfc5e54a68f0e8d20f31f2b4b6b25e1071b5.tar.xz linux-dev-155ddfc5e54a68f0e8d20f31f2b4b6b25e1071b5.zip | |
netdevsim: add couple of debugfs bools to debug devlink reload
Add flag to disallow reload and another one that causes reload to
always fail.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netdevsim')
| -rw-r--r-- | drivers/net/netdevsim/dev.c | 20 | ||||
| -rw-r--r-- | drivers/net/netdevsim/netdevsim.h | 2 |
2 files changed, 22 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); } diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index 8168a5475fe7..24358385d869 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -161,6 +161,8 @@ struct nsim_dev { bool fw_update_status; u32 max_macs; bool test1; + bool dont_allow_reload; + bool fail_reload; struct devlink_region *dummy_region; }; |