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RDMA/core: Support core port attributes in non init_net 

Now that sysfs compatibility layer for non init_net exists, add core port
attributes such as pkey and gid table to non init_net ns.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2019-02-26 13:56:15 +02:00 committed by Jason Gunthorpe
parent 4e0f7b9070
commit 5417783eab
3 changed files with 18 additions and 7 deletions
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4
drivers/infiniband/core/core_priv.h
View File

@ -336,4 +336,8 @@ int roce_resolve_route_from_path(struct sa_path_rec *rec,
const struct ib_gid_attr *attr);
struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
void ib_free_port_attrs(struct ib_core_device *coredev);
int ib_setup_port_attrs(struct ib_core_device *coredev,
bool alloc_hw_stats);
#endif /* _CORE_PRIV_H */

6
drivers/infiniband/core/device.c
View File

@ -773,6 +773,9 @@ static int add_one_compat_dev(struct ib_device *device,
ret = device_add(&cdev->dev);
if (ret)
goto add_err;
ret = ib_setup_port_attrs(cdev, false);
if (ret)
goto port_err;
ret = xa_err(xa_store(&device->compat_devs, rnet->id,
cdev, GFP_KERNEL));
@ -783,6 +786,8 @@ static int add_one_compat_dev(struct ib_device *device,
return 0;
insert_err:
ib_free_port_attrs(cdev);
port_err:
device_del(&cdev->dev);
add_err:
put_device(&cdev->dev);
@ -801,6 +806,7 @@ static void remove_one_compat_dev(struct ib_device *device, u32 id)
cdev = xa_erase(&device->compat_devs, id);
mutex_unlock(&device->compat_devs_mutex);
if (cdev) {
ib_free_port_attrs(cdev);
device_del(&cdev->dev);
put_device(&cdev->dev);
}

15
drivers/infiniband/core/sysfs.c
View File

@ -1015,7 +1015,8 @@ err_free_stats:
return;
}
static int add_port(struct ib_core_device *coredev, int port_num)
static int add_port(struct ib_core_device *coredev,
int port_num, bool alloc_stats)
{
struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
struct ib_port *p;
@ -1056,7 +1057,7 @@ static int add_port(struct ib_core_device *coredev, int port_num)
goto err_put;
}
if (device->ops.process_mad) {
if (device->ops.process_mad && alloc_stats) {
p->pma_table = get_counter_table(device, port_num);
ret = sysfs_create_group(&p->kobj, p->pma_table);
if (ret)
@ -1123,7 +1124,7 @@ static int add_port(struct ib_core_device *coredev, int port_num)
* port, so holder should be device. Therefore skip per port conunter
* initialization.
*/
if (device->ops.alloc_hw_stats && port_num)
if (device->ops.alloc_hw_stats && port_num && alloc_stats)
setup_hw_stats(device, p, port_num);
list_add_tail(&p->kobj.entry, &coredev->port_list);
@ -1280,7 +1281,7 @@ const struct attribute_group ib_dev_attr_group = {
.attrs = ib_dev_attrs,
};
static void ib_free_port_attrs(struct ib_core_device *coredev)
void ib_free_port_attrs(struct ib_core_device *coredev)
{
struct kobject *p, *t;
@ -1307,7 +1308,7 @@ static void ib_free_port_attrs(struct ib_core_device *coredev)
kobject_put(coredev->ports_kobj);
}
static int ib_setup_port_attrs(struct ib_core_device *coredev)
int ib_setup_port_attrs(struct ib_core_device *coredev, bool alloc_stats)
{
struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
unsigned int port;
@ -1319,7 +1320,7 @@ static int ib_setup_port_attrs(struct ib_core_device *coredev)
return -ENOMEM;
rdma_for_each_port (device, port) {
ret = add_port(coredev, port);
ret = add_port(coredev, port, alloc_stats);
if (ret)
goto err_put;
}
@ -1335,7 +1336,7 @@ int ib_device_register_sysfs(struct ib_device *device)
{
int ret;
ret = ib_setup_port_attrs(&device->coredev);
ret = ib_setup_port_attrs(&device->coredev, true);
if (ret)
return ret;