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netdevsim: implement couple of testing devlink health reporters

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Implement "empty" and "dummy" reporters. The first one is really simple
and does nothing. The other one has debugfs files to trigger breakage
and it is able to do recovery. The ops also implement dummy fmsg
content.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-10-10 15:18:50 +02:00
committed by David S. Miller
parent e7a981050a
commit 82c93a87bf
4 changed files with 354 additions and 3 deletions
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17
drivers/net/netdevsim/dev.c
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@@ -730,12 +730,18 @@ static int nsim_dev_reload_create(struct nsim_dev *nsim_dev,
if (err)
goto err_dummy_region_exit;
err = nsim_dev_port_add_all(nsim_dev, nsim_bus_dev->port_count);
err = nsim_dev_health_init(nsim_dev, devlink);
if (err)
goto err_traps_exit;
err = nsim_dev_port_add_all(nsim_dev, nsim_bus_dev->port_count);
if (err)
goto err_health_exit;
return 0;
err_health_exit:
nsim_dev_health_exit(nsim_dev);
err_traps_exit:
nsim_dev_traps_exit(devlink);
err_dummy_region_exit:
@@ -797,10 +803,14 @@ static struct nsim_dev *nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev)
if (err)
goto err_traps_exit;
err = nsim_bpf_dev_init(nsim_dev);
err = nsim_dev_health_init(nsim_dev, devlink);
if (err)
goto err_debugfs_exit;
err = nsim_bpf_dev_init(nsim_dev);
if (err)
goto err_health_exit;
err = nsim_dev_port_add_all(nsim_dev, nsim_bus_dev->port_count);
if (err)
goto err_bpf_dev_exit;
@@ -810,6 +820,8 @@ static struct nsim_dev *nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev)
err_bpf_dev_exit:
nsim_bpf_dev_exit(nsim_dev);
err_health_exit:
nsim_dev_health_exit(nsim_dev);
err_debugfs_exit:
nsim_dev_debugfs_exit(nsim_dev);
err_traps_exit:
@@ -837,6 +849,7 @@ static void nsim_dev_reload_destroy(struct nsim_dev *nsim_dev)
if (devlink_is_reload_failed(devlink))
return;
nsim_dev_port_del_all(nsim_dev);
nsim_dev_health_exit(nsim_dev);
nsim_dev_traps_exit(devlink);
nsim_dev_dummy_region_exit(nsim_dev);
mutex_destroy(&nsim_dev->port_list_lock);