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Date: Wed, 2 Oct 2019 18:12:26 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, idosch@...lanox.com, dsahern@...il.com,
jakub.kicinski@...ronome.com, tariqt@...lanox.com,
saeedm@...lanox.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
shuah@...nel.org, mlxsw@...lanox.com
Subject: [patch net-next v2 10/15] netdevsim: add all ports in nsim_dev_create() and del them in destroy()
From: Jiri Pirko <jiri@...lanox.com>
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@...lanox.com>
---
drivers/net/netdevsim/dev.c | 175 +++++++++++++++++++-----------------
1 file changed, 93 insertions(+), 82 deletions(-)
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index 6087f5b99e47..3cc101aee991 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -603,8 +603,92 @@ static const struct devlink_ops nsim_dev_devlink_ops = {
#define NSIM_DEV_MAX_MACS_DEFAULT 32
#define NSIM_DEV_TEST1_DEFAULT true
+static int __nsim_dev_port_add(struct nsim_dev *nsim_dev,
+ unsigned int port_index)
+{
+ struct nsim_dev_port *nsim_dev_port;
+ struct devlink_port *devlink_port;
+ int err;
+
+ nsim_dev_port = kzalloc(sizeof(*nsim_dev_port), GFP_KERNEL);
+ if (!nsim_dev_port)
+ return -ENOMEM;
+ nsim_dev_port->port_index = port_index;
+
+ devlink_port = &nsim_dev_port->devlink_port;
+ devlink_port_attrs_set(devlink_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
+ port_index + 1, 0, 0,
+ nsim_dev->switch_id.id,
+ nsim_dev->switch_id.id_len);
+ err = devlink_port_register(priv_to_devlink(nsim_dev), devlink_port,
+ port_index);
+ if (err)
+ goto err_port_free;
+
+ err = nsim_dev_port_debugfs_init(nsim_dev, nsim_dev_port);
+ if (err)
+ goto err_dl_port_unregister;
+
+ nsim_dev_port->ns = nsim_create(nsim_dev, nsim_dev_port);
+ if (IS_ERR(nsim_dev_port->ns)) {
+ err = PTR_ERR(nsim_dev_port->ns);
+ goto err_port_debugfs_exit;
+ }
+
+ devlink_port_type_eth_set(devlink_port, nsim_dev_port->ns->netdev);
+ list_add(&nsim_dev_port->list, &nsim_dev->port_list);
+
+ return 0;
+
+err_port_debugfs_exit:
+ nsim_dev_port_debugfs_exit(nsim_dev_port);
+err_dl_port_unregister:
+ devlink_port_unregister(devlink_port);
+err_port_free:
+ kfree(nsim_dev_port);
+ return err;
+}
+
+static void __nsim_dev_port_del(struct nsim_dev_port *nsim_dev_port)
+{
+ struct devlink_port *devlink_port = &nsim_dev_port->devlink_port;
+
+ list_del(&nsim_dev_port->list);
+ devlink_port_type_clear(devlink_port);
+ nsim_destroy(nsim_dev_port->ns);
+ nsim_dev_port_debugfs_exit(nsim_dev_port);
+ devlink_port_unregister(devlink_port);
+ kfree(nsim_dev_port);
+}
+
+static void nsim_dev_port_del_all(struct nsim_dev *nsim_dev)
+{
+ struct nsim_dev_port *nsim_dev_port, *tmp;
+
+ list_for_each_entry_safe(nsim_dev_port, tmp,
+ &nsim_dev->port_list, list)
+ __nsim_dev_port_del(nsim_dev_port);
+}
+
+static int nsim_dev_port_add_all(struct nsim_dev *nsim_dev,
+ unsigned int port_count)
+{
+ int i, err;
+
+ for (i = 0; i < port_count; i++) {
+ err = __nsim_dev_port_add(nsim_dev, i);
+ if (err)
+ goto err_port_del_all;
+ }
+ return 0;
+
+err_port_del_all:
+ nsim_dev_port_del_all(nsim_dev);
+ return err;
+}
+
static struct nsim_dev *
-nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev, unsigned int port_count)
+nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev)
{
struct nsim_dev *nsim_dev;
struct devlink *devlink;
@@ -659,9 +743,15 @@ nsim_dev_create(struct nsim_bus_dev *nsim_bus_dev, unsigned int port_count)
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:
@@ -686,6 +776,7 @@ 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);
@@ -699,102 +790,22 @@ static void nsim_dev_destroy(struct nsim_dev *nsim_dev)
devlink_free(devlink);
}
-static int __nsim_dev_port_add(struct nsim_dev *nsim_dev,
- unsigned int port_index)
-{
- struct nsim_dev_port *nsim_dev_port;
- struct devlink_port *devlink_port;
- int err;
-
- nsim_dev_port = kzalloc(sizeof(*nsim_dev_port), GFP_KERNEL);
- if (!nsim_dev_port)
- return -ENOMEM;
- nsim_dev_port->port_index = port_index;
-
- devlink_port = &nsim_dev_port->devlink_port;
- devlink_port_attrs_set(devlink_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
- port_index + 1, 0, 0,
- nsim_dev->switch_id.id,
- nsim_dev->switch_id.id_len);
- err = devlink_port_register(priv_to_devlink(nsim_dev), devlink_port,
- port_index);
- if (err)
- goto err_port_free;
-
- err = nsim_dev_port_debugfs_init(nsim_dev, nsim_dev_port);
- if (err)
- goto err_dl_port_unregister;
-
- nsim_dev_port->ns = nsim_create(nsim_dev, nsim_dev_port);
- if (IS_ERR(nsim_dev_port->ns)) {
- err = PTR_ERR(nsim_dev_port->ns);
- goto err_port_debugfs_exit;
- }
-
- devlink_port_type_eth_set(devlink_port, nsim_dev_port->ns->netdev);
- list_add(&nsim_dev_port->list, &nsim_dev->port_list);
-
- return 0;
-
-err_port_debugfs_exit:
- nsim_dev_port_debugfs_exit(nsim_dev_port);
-err_dl_port_unregister:
- devlink_port_unregister(devlink_port);
-err_port_free:
- kfree(nsim_dev_port);
- return err;
-}
-
-static void __nsim_dev_port_del(struct nsim_dev_port *nsim_dev_port)
-{
- struct devlink_port *devlink_port = &nsim_dev_port->devlink_port;
-
- list_del(&nsim_dev_port->list);
- devlink_port_type_clear(devlink_port);
- nsim_destroy(nsim_dev_port->ns);
- nsim_dev_port_debugfs_exit(nsim_dev_port);
- devlink_port_unregister(devlink_port);
- kfree(nsim_dev_port);
-}
-
-static void nsim_dev_port_del_all(struct nsim_dev *nsim_dev)
-{
- struct nsim_dev_port *nsim_dev_port, *tmp;
-
- list_for_each_entry_safe(nsim_dev_port, tmp,
- &nsim_dev->port_list, list)
- __nsim_dev_port_del(nsim_dev_port);
-}
-
int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev)
{
struct nsim_dev *nsim_dev;
- int i;
- int err;
- nsim_dev = nsim_dev_create(nsim_bus_dev, nsim_bus_dev->port_count);
+ 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);
- for (i = 0; i < nsim_bus_dev->port_count; i++) {
- err = __nsim_dev_port_add(nsim_dev, i);
- if (err)
- goto err_port_del_all;
- }
return 0;
-
-err_port_del_all:
- nsim_dev_port_del_all(nsim_dev);
- nsim_dev_destroy(nsim_dev);
- return err;
}
void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_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);
}
--
2.21.0
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