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authorMark Zhang <markz@mellanox.com>2019-07-02 13:02:46 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-05 16:22:55 +0300
commit6e7be47a53459ba3d288c3240ccd948fc699c377 (patch)
treeca67b0e39771c2d36eccf6b2f76a2e77bf36600b /drivers/infiniband/core/sysfs.c
parent83c2c1fcbd08ec3eb69a7f381c4e453d1a45ade3 (diff)
downloadlinux-6e7be47a53459ba3d288c3240ccd948fc699c377.tar.xz
RDMA/nldev: Allow get default counter statistics through RDMA netlink
This patch adds the ability to return the hwstats of per-port default counters (which can also be queried through sysfs nodes). Signed-off-by: Mark Zhang <markz@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/sysfs.c')
-rw-r--r--drivers/infiniband/core/sysfs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index c59b80e0a740..b477295a96c2 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -1003,6 +1003,8 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port,
goto err;
port->hw_stats_ag = hsag;
port->hw_stats = stats;
+ if (device->port_data)
+ device->port_data[port_num].hw_stats = stats;
} else {
struct kobject *kobj = &device->dev.kobj;
ret = sysfs_create_group(kobj, hsag);
@@ -1293,6 +1295,8 @@ const struct attribute_group ib_dev_attr_group = {
void ib_free_port_attrs(struct ib_core_device *coredev)
{
+ struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
+ bool is_full_dev = &device->coredev == coredev;
struct kobject *p, *t;
list_for_each_entry_safe(p, t, &coredev->port_list, entry) {
@@ -1302,6 +1306,8 @@ void ib_free_port_attrs(struct ib_core_device *coredev)
if (port->hw_stats_ag)
free_hsag(&port->kobj, port->hw_stats_ag);
kfree(port->hw_stats);
+ if (device->port_data && is_full_dev)
+ device->port_data[port->port_num].hw_stats = NULL;
if (port->pma_table)
sysfs_remove_group(p, port->pma_table);