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path: root/drivers/infiniband/core/cache.c
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Diffstat (limited to 'drivers/infiniband/core/cache.c')
-rw-r--r--drivers/infiniband/core/cache.c82
1 files changed, 31 insertions, 51 deletions
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 2e91d8879326..81cf3c902e81 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -46,7 +46,7 @@
struct ib_pkey_cache {
int table_len;
- u16 table[];
+ u16 table[] __counted_by(table_len);
};
struct ib_update_work {
@@ -400,6 +400,9 @@ static void del_gid(struct ib_device *ib_dev, u32 port,
table->data_vec[ix] = NULL;
write_unlock_irq(&table->rwlock);
+ if (rdma_cap_roce_gid_table(ib_dev, port))
+ ib_dev->ops.del_gid(&entry->attr, &entry->context);
+
ndev_storage = entry->ndev_storage;
if (ndev_storage) {
entry->ndev_storage = NULL;
@@ -407,9 +410,6 @@ static void del_gid(struct ib_device *ib_dev, u32 port,
call_rcu(&ndev_storage->rcu_head, put_gid_ndev);
}
- if (rdma_cap_roce_gid_table(ib_dev, port))
- ib_dev->ops.del_gid(&entry->attr, &entry->context);
-
put_gid_entry_locked(entry);
}
@@ -582,8 +582,8 @@ static int __ib_cache_gid_add(struct ib_device *ib_dev, u32 port,
out_unlock:
mutex_unlock(&table->lock);
if (ret)
- pr_warn("%s: unable to add gid %pI6 error=%d\n",
- __func__, gid->raw, ret);
+ pr_warn_ratelimited("%s: unable to add gid %pI6 error=%d\n",
+ __func__, gid->raw, ret);
return ret;
}
@@ -794,7 +794,6 @@ err_free_table:
static void release_gid_table(struct ib_device *device,
struct ib_gid_table *table)
{
- bool leak = false;
int i;
if (!table)
@@ -803,15 +802,12 @@ static void release_gid_table(struct ib_device *device,
for (i = 0; i < table->sz; i++) {
if (is_gid_entry_free(table->data_vec[i]))
continue;
- if (kref_read(&table->data_vec[i]->kref) > 1) {
- dev_err(&device->dev,
- "GID entry ref leak for index %d ref=%u\n", i,
- kref_read(&table->data_vec[i]->kref));
- leak = true;
- }
+
+ WARN_ONCE(true,
+ "GID entry ref leak for dev %s index %d ref=%u\n",
+ dev_name(&device->dev), i,
+ kref_read(&table->data_vec[i]->kref));
}
- if (leak)
- return;
mutex_destroy(&table->lock);
kfree(table->data_vec);
@@ -1131,41 +1127,6 @@ err:
}
EXPORT_SYMBOL(ib_find_cached_pkey);
-int ib_find_exact_cached_pkey(struct ib_device *device, u32 port_num,
- u16 pkey, u16 *index)
-{
- struct ib_pkey_cache *cache;
- unsigned long flags;
- int i;
- int ret = -ENOENT;
-
- if (!rdma_is_port_valid(device, port_num))
- return -EINVAL;
-
- read_lock_irqsave(&device->cache_lock, flags);
-
- cache = device->port_data[port_num].cache.pkey;
- if (!cache) {
- ret = -EINVAL;
- goto err;
- }
-
- *index = -1;
-
- for (i = 0; i < cache->table_len; ++i)
- if (cache->table[i] == pkey) {
- *index = i;
- ret = 0;
- break;
- }
-
-err:
- read_unlock_irqrestore(&device->cache_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL(ib_find_exact_cached_pkey);
-
int ib_get_cached_lmc(struct ib_device *device, u32 port_num, u8 *lmc)
{
unsigned long flags;
@@ -1457,6 +1418,17 @@ static int config_non_roce_gid_cache(struct ib_device *device,
i);
goto err;
}
+
+ if (rdma_protocol_iwarp(device, port)) {
+ struct net_device *ndev;
+
+ ndev = ib_device_get_netdev(device, port);
+ if (!ndev)
+ continue;
+ RCU_INIT_POINTER(gid_attr.ndev, ndev);
+ dev_put(ndev);
+ }
+
gid_attr.index = i;
tprops->subnet_prefix =
be64_to_cpu(gid_attr.gid.global.subnet_prefix);
@@ -1529,6 +1501,12 @@ ib_cache_update(struct ib_device *device, u32 port, bool update_gids,
device->port_data[port].cache.pkey = pkey_cache;
}
device->port_data[port].cache.lmc = tprops->lmc;
+
+ if (device->port_data[port].cache.port_state != IB_PORT_NOP &&
+ device->port_data[port].cache.port_state != tprops->state)
+ ibdev_info(device, "Port: %d Link %s\n", port,
+ ib_port_state_to_str(tprops->state));
+
device->port_data[port].cache.port_state = tprops->state;
device->port_data[port].cache.subnet_prefix = tprops->subnet_prefix;
@@ -1633,8 +1611,10 @@ int ib_cache_setup_one(struct ib_device *device)
rdma_for_each_port (device, p) {
err = ib_cache_update(device, p, true, true, true);
- if (err)
+ if (err) {
+ gid_table_cleanup_one(device);
return err;
+ }
}
return 0;