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Commit 724631a9 authored by Parav Pandit's avatar Parav Pandit Committed by Jason Gunthorpe
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IB/core: Introduce and use rdma_gid_table()



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: default avatarParav Pandit <parav@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 25e62655
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+15 −10
Original line number Diff line number Diff line
@@ -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++) {
@@ -756,7 +761,7 @@ 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 |
@@ -877,7 +882,7 @@ 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);
@@ -1095,7 +1100,7 @@ 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) {
@@ -1128,7 +1133,7 @@ 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)