diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/netdevsim/dev.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 664b9329a65c..93abd0b6c1f9 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -15,12 +15,31 @@ * THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. */ +#include <linux/debugfs.h> #include <linux/device.h> #include <linux/rtnetlink.h> #include <net/devlink.h> #include "netdevsim.h" +static struct dentry *nsim_dev_ddir; + +static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev) +{ + char dev_ddir_name[10]; + + sprintf(dev_ddir_name, "%u", nsim_dev->nsim_bus_dev->dev.id); + nsim_dev->ddir = debugfs_create_dir(dev_ddir_name, nsim_dev_ddir); + if (IS_ERR_OR_NULL(nsim_dev->ddir)) + return PTR_ERR_OR_ZERO(nsim_dev->ddir) ?: -EINVAL; + return 0; +} + +static void nsim_dev_debugfs_exit(struct nsim_dev *nsim_dev) +{ + debugfs_remove_recursive(nsim_dev->ddir); +} + static u64 nsim_dev_ipv4_fib_resource_occ_get(void *priv) { struct nsim_dev *nsim_dev = priv; @@ -184,6 +203,7 @@ static struct nsim_dev *nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev) if (!devlink) return ERR_PTR(-ENOMEM); nsim_dev = devlink_priv(devlink); + nsim_dev->nsim_bus_dev = nsim_bus_dev; nsim_dev->fib_data = nsim_fib_create(); if (IS_ERR(nsim_dev->fib_data)) { @@ -199,8 +219,20 @@ static struct nsim_dev *nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev) if (err) goto err_resources_unregister; + err = nsim_dev_debugfs_init(nsim_dev); + if (err) + goto err_dl_unregister; + + err = nsim_bpf_dev_init(nsim_dev); + if (err) + goto err_debugfs_exit; + return nsim_dev; +err_debugfs_exit: + nsim_dev_debugfs_exit(nsim_dev); +err_dl_unregister: + devlink_unregister(devlink); err_resources_unregister: devlink_resources_unregister(devlink, NULL); err_fib_destroy: @@ -228,8 +260,23 @@ 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); devlink_unregister(devlink); devlink_resources_unregister(devlink, NULL); nsim_fib_destroy(nsim_dev->fib_data); devlink_free(devlink); } + +int nsim_dev_init(void) +{ + nsim_dev_ddir = debugfs_create_dir(DRV_NAME "_dev", NULL); + if (IS_ERR_OR_NULL(nsim_dev_ddir)) + return -ENOMEM; + return 0; +} + +void nsim_dev_exit(void) +{ + debugfs_remove_recursive(nsim_dev_ddir); +} |