#include <linux/module.h>
#include <linux/errno.h>
#include <linux/slab.h>
+#include <linux/sched.h> /* INIT_WORK, schedule_work(), flush_scheduled_work() */
#include <rdma/ib_cache.h>
}
EXPORT_SYMBOL(ib_find_cached_pkey);
+int ib_get_cached_lmc(struct ib_device *device,
+ u8 port_num,
+ u8 *lmc)
+{
+ unsigned long flags;
+ int ret = 0;
+
+ if (port_num < start_port(device) || port_num > end_port(device))
+ return -EINVAL;
+
+ read_lock_irqsave(&device->cache.lock, flags);
+ *lmc = device->cache.lmc_cache[port_num - start_port(device)];
+ read_unlock_irqrestore(&device->cache.lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(ib_get_cached_lmc);
+
static void ib_cache_update(struct ib_device *device,
u8 port)
{
device->cache.pkey_cache[port - start_port(device)] = pkey_cache;
device->cache.gid_cache [port - start_port(device)] = gid_cache;
+ device->cache.lmc_cache[port - start_port(device)] = tprops->lmc;
+
write_unlock_irq(&device->cache.lock);
kfree(old_pkey_cache);
kmalloc(sizeof *device->cache.pkey_cache *
(end_port(device) - start_port(device) + 1), GFP_KERNEL);
device->cache.gid_cache =
- kmalloc(sizeof *device->cache.pkey_cache *
+ kmalloc(sizeof *device->cache.gid_cache *
(end_port(device) - start_port(device) + 1), GFP_KERNEL);
- if (!device->cache.pkey_cache || !device->cache.gid_cache) {
+ device->cache.lmc_cache = kmalloc(sizeof *device->cache.lmc_cache *
+ (end_port(device) -
+ start_port(device) + 1),
+ GFP_KERNEL);
+
+ if (!device->cache.pkey_cache || !device->cache.gid_cache ||
+ !device->cache.lmc_cache) {
printk(KERN_WARNING "Couldn't allocate cache "
"for %s\n", device->name);
goto err;
err:
kfree(device->cache.pkey_cache);
kfree(device->cache.gid_cache);
+ kfree(device->cache.lmc_cache);
}
static void ib_cache_cleanup_one(struct ib_device *device)
kfree(device->cache.pkey_cache);
kfree(device->cache.gid_cache);
+ kfree(device->cache.lmc_cache);
}
static struct ib_client cache_client = {