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netdevsim: add all ports in nsim_dev_create() and del them in destroy() 

Currently the probe/remove function does this separately. Put the
addition an deletion of ports into nsim_dev_create() and
nsim_dev_destroy().

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2019-10-03 11:49:35 +02:00 committed by David S. Miller
parent 5bcfb6a45a
commit 7f36a77ade
1 changed files with 119 additions and 108 deletions
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227
drivers/net/netdevsim/dev.c
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@ -603,102 +603,6 @@ static const struct devlink_ops nsim_dev_devlink_ops = {
#define NSIM_DEV_MAX_MACS_DEFAULT 32 #define NSIM_DEV_MAX_MACS_DEFAULT 32
#define NSIM_DEV_TEST1_DEFAULT true #define NSIM_DEV_TEST1_DEFAULT true
static struct nsim_dev *
nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev, unsigned int port_count)
{
struct nsim_dev *nsim_dev;
struct devlink *devlink;
int err;
devlink = devlink_alloc(&nsim_dev_devlink_ops, sizeof(*nsim_dev));
if (!devlink)
return ERR_PTR(-ENOMEM);
nsim_dev = devlink_priv(devlink);
nsim_dev->nsim_bus_dev = nsim_bus_dev;
nsim_dev->switch_id.id_len = sizeof(nsim_dev->switch_id.id);
get_random_bytes(nsim_dev->switch_id.id, nsim_dev->switch_id.id_len);
INIT_LIST_HEAD(&nsim_dev->port_list);
mutex_init(&nsim_dev->port_list_lock);
nsim_dev->fw_update_status = true;
nsim_dev->max_macs = NSIM_DEV_MAX_MACS_DEFAULT;
nsim_dev->test1 = NSIM_DEV_TEST1_DEFAULT;
err = nsim_dev_resources_register(devlink);
if (err)
goto err_devlink_free;
nsim_dev->fib_data = nsim_fib_create(devlink);
if (IS_ERR(nsim_dev->fib_data)) {
err = PTR_ERR(nsim_dev->fib_data);
goto err_resources_unregister;
}
err = devlink_register(devlink, &nsim_bus_dev->dev);
if (err)
goto err_fib_destroy;
err = devlink_params_register(devlink, nsim_devlink_params,
ARRAY_SIZE(nsim_devlink_params));
if (err)
goto err_dl_unregister;
nsim_devlink_set_params_init_values(nsim_dev, devlink);
err = nsim_dev_dummy_region_init(nsim_dev, devlink);
if (err)
goto err_params_unregister;
err = nsim_dev_traps_init(devlink);
if (err)
goto err_dummy_region_exit;
err = nsim_dev_debugfs_init(nsim_dev);
if (err)
goto err_traps_exit;
err = nsim_bpf_dev_init(nsim_dev);
if (err)
goto err_debugfs_exit;
devlink_params_publish(devlink);
return nsim_dev;
err_debugfs_exit:
nsim_dev_debugfs_exit(nsim_dev);
err_traps_exit:
nsim_dev_traps_exit(devlink);
err_dummy_region_exit:
nsim_dev_dummy_region_exit(nsim_dev);
err_params_unregister:
devlink_params_unregister(devlink, nsim_devlink_params,
ARRAY_SIZE(nsim_devlink_params));
err_dl_unregister:
devlink_unregister(devlink);
err_fib_destroy:
nsim_fib_destroy(devlink, nsim_dev->fib_data);
err_resources_unregister:
devlink_resources_unregister(devlink, NULL);
err_devlink_free:
devlink_free(devlink);
return ERR_PTR(err);
}
static void nsim_dev_destroy(struct nsim_dev *nsim_dev)
{
struct devlink *devlink = priv_to_devlink(nsim_dev);
nsim_bpf_dev_exit(nsim_dev);
nsim_dev_debugfs_exit(nsim_dev);
nsim_dev_traps_exit(devlink);
nsim_dev_dummy_region_exit(nsim_dev);
devlink_params_unregister(devlink, nsim_devlink_params,
ARRAY_SIZE(nsim_devlink_params));
devlink_unregister(devlink);
nsim_fib_destroy(devlink, nsim_dev->fib_data);
devlink_resources_unregister(devlink, NULL);
mutex_destroy(&nsim_dev->port_list_lock);
devlink_free(devlink);
}
static int __nsim_dev_port_add(struct nsim_dev *nsim_dev, static int __nsim_dev_port_add(struct nsim_dev *nsim_dev,
unsigned int port_index) unsigned int port_index)
{ {
@ -766,18 +670,12 @@ static void nsim_dev_port_del_all(struct nsim_dev *nsim_dev)
__nsim_dev_port_del(nsim_dev_port); __nsim_dev_port_del(nsim_dev_port);
} }
int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev) static int nsim_dev_port_add_all(struct nsim_dev *nsim_dev,
unsigned int port_count)
{ {
struct nsim_dev *nsim_dev; int i, err;
int i;
int err;
nsim_dev = nsim_dev_create(nsim_bus_dev, nsim_bus_dev->port_count); for (i = 0; i < port_count; i++) {
if (IS_ERR(nsim_dev))
return PTR_ERR(nsim_dev);
dev_set_drvdata(&nsim_bus_dev->dev, nsim_dev);
for (i = 0; i < nsim_bus_dev->port_count; i++) {
err = __nsim_dev_port_add(nsim_dev, i); err = __nsim_dev_port_add(nsim_dev, i);
if (err) if (err)
goto err_port_del_all; goto err_port_del_all;
@ -786,15 +684,128 @@ int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev)
err_port_del_all: err_port_del_all:
nsim_dev_port_del_all(nsim_dev); nsim_dev_port_del_all(nsim_dev);
nsim_dev_destroy(nsim_dev);
return err; return err;
} }
static struct nsim_dev *
nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev)
{
struct nsim_dev *nsim_dev;
struct devlink *devlink;
int err;
devlink = devlink_alloc(&nsim_dev_devlink_ops, sizeof(*nsim_dev));
if (!devlink)
return ERR_PTR(-ENOMEM);
nsim_dev = devlink_priv(devlink);
nsim_dev->nsim_bus_dev = nsim_bus_dev;
nsim_dev->switch_id.id_len = sizeof(nsim_dev->switch_id.id);
get_random_bytes(nsim_dev->switch_id.id, nsim_dev->switch_id.id_len);
INIT_LIST_HEAD(&nsim_dev->port_list);
mutex_init(&nsim_dev->port_list_lock);
nsim_dev->fw_update_status = true;
nsim_dev->max_macs = NSIM_DEV_MAX_MACS_DEFAULT;
nsim_dev->test1 = NSIM_DEV_TEST1_DEFAULT;
err = nsim_dev_resources_register(devlink);
if (err)
goto err_devlink_free;
nsim_dev->fib_data = nsim_fib_create(devlink);
if (IS_ERR(nsim_dev->fib_data)) {
err = PTR_ERR(nsim_dev->fib_data);
goto err_resources_unregister;
}
err = devlink_register(devlink, &nsim_bus_dev->dev);
if (err)
goto err_fib_destroy;
err = devlink_params_register(devlink, nsim_devlink_params,
ARRAY_SIZE(nsim_devlink_params));
if (err)
goto err_dl_unregister;
nsim_devlink_set_params_init_values(nsim_dev, devlink);
err = nsim_dev_dummy_region_init(nsim_dev, devlink);
if (err)
goto err_params_unregister;
err = nsim_dev_traps_init(devlink);
if (err)
goto err_dummy_region_exit;
err = nsim_dev_debugfs_init(nsim_dev);
if (err)
goto err_traps_exit;
err = nsim_bpf_dev_init(nsim_dev);
if (err)
goto err_debugfs_exit;
err = nsim_dev_port_add_all(nsim_dev, nsim_bus_dev->port_count);
if (err)
goto err_bpf_dev_exit;
devlink_params_publish(devlink);
return nsim_dev;
err_bpf_dev_exit:
nsim_bpf_dev_exit(nsim_dev);
err_debugfs_exit:
nsim_dev_debugfs_exit(nsim_dev);
err_traps_exit:
nsim_dev_traps_exit(devlink);
err_dummy_region_exit:
nsim_dev_dummy_region_exit(nsim_dev);
err_params_unregister:
devlink_params_unregister(devlink, nsim_devlink_params,
ARRAY_SIZE(nsim_devlink_params));
err_dl_unregister:
devlink_unregister(devlink);
err_fib_destroy:
nsim_fib_destroy(devlink, nsim_dev->fib_data);
err_resources_unregister:
devlink_resources_unregister(devlink, NULL);
err_devlink_free:
devlink_free(devlink);
return ERR_PTR(err);
}
static void nsim_dev_destroy(struct nsim_dev *nsim_dev)
{
struct devlink *devlink = priv_to_devlink(nsim_dev);
nsim_dev_port_del_all(nsim_dev);
nsim_bpf_dev_exit(nsim_dev);
nsim_dev_debugfs_exit(nsim_dev);
nsim_dev_traps_exit(devlink);
nsim_dev_dummy_region_exit(nsim_dev);
devlink_params_unregister(devlink, nsim_devlink_params,
ARRAY_SIZE(nsim_devlink_params));
devlink_unregister(devlink);
nsim_fib_destroy(devlink, nsim_dev->fib_data);
devlink_resources_unregister(devlink, NULL);
mutex_destroy(&nsim_dev->port_list_lock);
devlink_free(devlink);
}
int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev)
{
struct nsim_dev *nsim_dev;
nsim_dev = nsim_dev_create(nsim_bus_dev);
if (IS_ERR(nsim_dev))
return PTR_ERR(nsim_dev);
dev_set_drvdata(&nsim_bus_dev->dev, nsim_dev);
return 0;
}
void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev) void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev)
{ {
struct nsim_dev *nsim_dev = dev_get_drvdata(&nsim_bus_dev->dev); struct nsim_dev *nsim_dev = dev_get_drvdata(&nsim_bus_dev->dev);
nsim_dev_port_del_all(nsim_dev);
nsim_dev_destroy(nsim_dev); nsim_dev_destroy(nsim_dev);
} }