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IB/core: Add inline function to validate port

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Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yuval Shaia 2017-01-25 18:41:37 +02:00 committed by Doug Ledford
parent 2bce1a6d22
commit 24dc831b77
5 changed files with 20 additions and 18 deletions
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18
drivers/infiniband/core/cache.c
View File

@ -504,8 +504,7 @@ int ib_find_cached_gid_by_port(struct ib_device *ib_dev,
struct ib_gid_attr val = {.ndev = ndev, .gid_type = gid_type};
unsigned long flags;
if (port < rdma_start_port(ib_dev) ||
port > rdma_end_port(ib_dev))
if (!rdma_is_port_valid(ib_dev, port))
return -ENOENT;
table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid;
@ -562,8 +561,7 @@ static int ib_cache_gid_find_by_filter(struct ib_device *ib_dev,
bool found = false;
if (port < rdma_start_port(ib_dev) ||
port > rdma_end_port(ib_dev) ||
if (!rdma_is_port_valid(ib_dev, port) ||
!rdma_protocol_roce(ib_dev, port))
return -EPROTONOSUPPORT;
@ -845,7 +843,7 @@ int ib_get_cached_gid(struct ib_device *device,
unsigned long flags;
struct ib_gid_table *table;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
table = device->cache.ports[port_num - rdma_start_port(device)].gid;
@ -895,7 +893,7 @@ int ib_get_cached_pkey(struct ib_device *device,
unsigned long flags;
int ret = 0;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
@ -924,7 +922,7 @@ int ib_find_cached_pkey(struct ib_device *device,
int ret = -ENOENT;
int partial_ix = -1;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
@ -964,7 +962,7 @@ int ib_find_exact_cached_pkey(struct ib_device *device,
int i;
int ret = -ENOENT;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
@ -993,7 +991,7 @@ int ib_get_cached_lmc(struct ib_device *device,
unsigned long flags;
int ret = 0;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
@ -1038,7 +1036,7 @@ static void ib_cache_update(struct ib_device *device,
bool use_roce_gid_table =
rdma_cap_roce_gid_table(device, port);
if (port < rdma_start_port(device) || port > rdma_end_port(device))
if (!rdma_is_port_valid(device, port))
return;
table = device->cache.ports[port - rdma_start_port(device)].gid;

6
drivers/infiniband/core/cma.c
View File

@ -269,8 +269,7 @@ struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
int cma_get_default_gid_type(struct cma_device *cma_dev,
unsigned int port)
{
if (port < rdma_start_port(cma_dev->device) ||
port > rdma_end_port(cma_dev->device))
if (!rdma_is_port_valid(cma_dev->device, port))
return -EINVAL;
return cma_dev->default_gid_type[port - rdma_start_port(cma_dev->device)];
@ -282,8 +281,7 @@ int cma_set_default_gid_type(struct cma_device *cma_dev,
{
unsigned long supported_gids;
if (port < rdma_start_port(cma_dev->device) ||
port > rdma_end_port(cma_dev->device))
if (!rdma_is_port_valid(cma_dev->device, port))
return -EINVAL;
supported_gids = roce_gid_type_mask_support(cma_dev->device, port);

4
drivers/infiniband/core/device.c
View File

@ -659,7 +659,7 @@ int ib_query_port(struct ib_device *device,
union ib_gid gid;
int err;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
memset(port_attr, 0, sizeof(*port_attr));
@ -825,7 +825,7 @@ int ib_modify_port(struct ib_device *device,
if (!device->modify_port)
return -ENOSYS;
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
return device->modify_port(device, port_num, port_modify_mask,

3
drivers/infiniband/core/verbs.c
View File

@ -1205,8 +1205,7 @@ int ib_resolve_eth_dmac(struct ib_device *device,
{
int ret = 0;
if (ah_attr->port_num < rdma_start_port(device) ||
ah_attr->port_num > rdma_end_port(device))
if (!rdma_is_port_valid(device, ah_attr->port_num))
return -EINVAL;
if (!rdma_cap_eth_ah(device, ah_attr->port_num))

7
include/rdma/ib_verbs.h
View File

@ -2280,6 +2280,13 @@ static inline u8 rdma_end_port(const struct ib_device *device)
return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt;
}
static inline int rdma_is_port_valid(const struct ib_device *device,
unsigned int port)
{
return (port >= rdma_start_port(device) &&
port <= rdma_end_port(device));
}
static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IB;