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netdevsim: move netdev creation/destruction to dev probe

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Remove the existing way to create netdevsim over rtnetlink and move the
netdev creation/destruction to dev probe, so for every probed port,
a netdevsim-netdev instance is created.

Adjust selftests to work with new interface.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-04-25 15:59:55 +02:00
committed by David S. Miller
parent 794b2c05ca
commit e05b2d141f
8 changed files with 238 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/netdevsim/bus.c
+9 -16
View File
@@ -153,6 +153,9 @@ static struct device_type nsim_bus_dev_type = {
.release = nsim_bus_dev_release,
};
static struct nsim_bus_dev *
nsim_bus_dev_new(unsigned int id, unsigned int port_count);
static ssize_t
new_device_store(struct bus_type *bus, const char *buf, size_t count)
{
@@ -188,6 +191,8 @@ new_device_store(struct bus_type *bus, const char *buf, size_t count)
}
static BUS_ATTR_WO(new_device);
static void nsim_bus_dev_del(struct nsim_bus_dev *nsim_bus_dev);
static ssize_t
del_device_store(struct bus_type *bus, const char *buf, size_t count)
{
@@ -261,7 +266,8 @@ static struct bus_type nsim_bus = {
.num_vf = nsim_num_vf,
};
struct nsim_bus_dev *nsim_bus_dev_new(unsigned int id, unsigned int port_count)
static struct nsim_bus_dev *
nsim_bus_dev_new(unsigned int id, unsigned int port_count)
{
struct nsim_bus_dev *nsim_bus_dev;
int err;
@@ -270,8 +276,7 @@ struct nsim_bus_dev *nsim_bus_dev_new(unsigned int id, unsigned int port_count)
if (!nsim_bus_dev)
return ERR_PTR(-ENOMEM);
err = ida_alloc_range(&nsim_bus_dev_ids,
id == ~0 ? 0 : id, id, GFP_KERNEL);
err = ida_alloc_range(&nsim_bus_dev_ids, id, id, GFP_KERNEL);
if (err < 0)
goto err_nsim_bus_dev_free;
nsim_bus_dev->dev.id = err;
@@ -291,19 +296,7 @@ err_nsim_bus_dev_free:
return ERR_PTR(err);
}
struct nsim_bus_dev *nsim_bus_dev_new_with_ns(struct netdevsim *ns)
{
struct nsim_bus_dev *nsim_bus_dev;
dev_hold(ns->netdev);
rtnl_unlock();
nsim_bus_dev = nsim_bus_dev_new(~0, 0);
rtnl_lock();
dev_put(ns->netdev);
return nsim_bus_dev;
}
void nsim_bus_dev_del(struct nsim_bus_dev *nsim_bus_dev)
static void nsim_bus_dev_del(struct nsim_bus_dev *nsim_bus_dev)
{
device_unregister(&nsim_bus_dev->dev);
ida_free(&nsim_bus_dev_ids, nsim_bus_dev->dev.id);