From: Parav Pandit <parav@xxxxxxxxxxxx>
There are several places a gid table is accessed.
Have a helper tiny function rdma_gid_table() to avoid code
duplication at such places.
Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/cache.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index c09b63f99603..d2bacbaf900e 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -159,6 +159,11 @@ int ib_cache_gid_parse_type_str(const char *buf)
}
EXPORT_SYMBOL(ib_cache_gid_parse_type_str);
+static struct ib_gid_table *rdma_gid_table(struct ib_device *device, u8 port)
+{
+ return device->cache.ports[port - rdma_start_port(device)].gid;
+}
+
static void del_roce_gid(struct ib_device *device, u8 port_num,
struct ib_gid_table *table, int ix)
{
@@ -376,7 +381,7 @@ static int __ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
if (rdma_is_zero_gid(gid))
return -EINVAL;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
mutex_lock(&table->lock);
@@ -443,7 +448,7 @@ _ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
int ret = 0;
int ix;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
mutex_lock(&table->lock);
@@ -482,7 +487,7 @@ int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
int ix;
bool deleted = false;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
mutex_lock(&table->lock);
@@ -506,7 +511,7 @@ static int __ib_cache_gid_get(struct ib_device *ib_dev, u8 port, int index,
{
struct ib_gid_table *table;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
if (index < 0 || index >= table->sz)
return -EINVAL;
@@ -599,7 +604,7 @@ int ib_find_cached_gid_by_port(struct ib_device *ib_dev,
if (!rdma_is_port_valid(ib_dev, port))
return -ENOENT;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
if (ndev)
mask |= GID_ATTR_FIND_MASK_NETDEV;
@@ -657,7 +662,7 @@ static int ib_cache_gid_find_by_filter(struct ib_device *ib_dev,
!rdma_protocol_roce(ib_dev, port))
return -EPROTONOSUPPORT;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
read_lock_irqsave(&table->rwlock, flags);
for (i = 0; i < table->sz; i++) {
@@ -757,7 +762,7 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
unsigned int gid_type;
unsigned long mask;
- table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
+ table = rdma_gid_table(ib_dev, port);
mask = GID_ATTR_FIND_MASK_GID_TYPE |
GID_ATTR_FIND_MASK_DEFAULT |
@@ -878,7 +883,7 @@ int ib_get_cached_gid(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
- table = device->cache.ports[port_num - rdma_start_port(device)].gid;
+ table = rdma_gid_table(device, port_num);
read_lock_irqsave(&table->rwlock, flags);
res = __ib_cache_gid_get(device, port_num, index, gid, gid_attr);
read_unlock_irqrestore(&table->rwlock, flags);
@@ -1096,7 +1101,7 @@ static int config_non_roce_gid_cache(struct ib_device *device,
gid_attr.device = device;
gid_attr.port_num = port;
- table = device->cache.ports[port - rdma_start_port(device)].gid;
+ table = rdma_gid_table(device, port);
mutex_lock(&table->lock);
for (i = 0; i < gid_tbl_len; ++i) {
@@ -1129,7 +1134,7 @@ static void ib_cache_update(struct ib_device *device,
if (!rdma_is_port_valid(device, port))
return;
- table = device->cache.ports[port - rdma_start_port(device)].gid;
+ table = rdma_gid_table(device, port);
tprops = kmalloc(sizeof *tprops, GFP_KERNEL);
if (!tprops)
--
2.14.3
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
