From: Mark Zhang markz@mellanox.com
[ Upstream commit 663912a6378a34fd4f43b8d873f0c6c6322d9d0e ]
If auto mode is configured, manual counter allocation and QP bind is not allowed.
Fixes: 1bd8e0a9d0fd ("RDMA/counter: Allow manual mode configuration support") Link: https://lore.kernel.org/r/20190916071154.20383-3-leon@kernel.org Signed-off-by: Mark Zhang markz@mellanox.com Signed-off-by: Leon Romanovsky leonro@mellanox.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/core/counters.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c index 023478107f0e..46dd50ff7c85 100644 --- a/drivers/infiniband/core/counters.c +++ b/drivers/infiniband/core/counters.c @@ -466,10 +466,15 @@ static struct rdma_counter *rdma_get_counter_by_id(struct ib_device *dev, int rdma_counter_bind_qpn(struct ib_device *dev, u8 port, u32 qp_num, u32 counter_id) { + struct rdma_port_counter *port_counter; struct rdma_counter *counter; struct ib_qp *qp; int ret;
+ port_counter = &dev->port_data[port].port_counter; + if (port_counter->mode.mode == RDMA_COUNTER_MODE_AUTO) + return -EINVAL; + qp = rdma_counter_get_qp(dev, qp_num); if (!qp) return -ENOENT; @@ -506,6 +511,7 @@ int rdma_counter_bind_qpn(struct ib_device *dev, u8 port, int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port, u32 qp_num, u32 *counter_id) { + struct rdma_port_counter *port_counter; struct rdma_counter *counter; struct ib_qp *qp; int ret; @@ -513,9 +519,13 @@ int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port, if (!rdma_is_port_valid(dev, port)) return -EINVAL;
- if (!dev->port_data[port].port_counter.hstats) + port_counter = &dev->port_data[port].port_counter; + if (!port_counter->hstats) return -EOPNOTSUPP;
+ if (port_counter->mode.mode == RDMA_COUNTER_MODE_AUTO) + return -EINVAL; + qp = rdma_counter_get_qp(dev, qp_num); if (!qp) return -ENOENT;