From: Maor Gottlieb maorg@mellanox.com
[ Upstream commit ed9085fed9d95d5921582e3c8474f3736c5d2782 ]
There are two flow rule destinations: QP and packet. While users are setting DROP packet rule, the QP should not be set as a destination.
Fixes: 3b3233fbf02e ("IB/mlx5: Add flow counters binding support") Signed-off-by: Maor Gottlieb maorg@mellanox.com Reviewed-by: Raed Salem raeds@mellanox.com Signed-off-by: Leon Romanovsky leonro@mellanox.com Link: https://lore.kernel.org/r/20191212091214.315005-4-leon@kernel.org Signed-off-by: Doug Ledford dledford@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/mlx5/main.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index f4ffdc588ea0..df5be462dd28 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -3286,10 +3286,6 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, }
INIT_LIST_HEAD(&handler->list); - if (dst) { - memcpy(&dest_arr[0], dst, sizeof(*dst)); - dest_num++; - }
for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { err = parse_flow_attr(dev->mdev, spec->match_criteria, @@ -3303,6 +3299,11 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, ib_flow += ((union ib_flow_spec *)ib_flow)->size; }
+ if (dst && !(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP)) { + memcpy(&dest_arr[0], dst, sizeof(*dst)); + dest_num++; + } + if (!flow_is_multicast_only(flow_attr)) set_underlay_qp(dev, spec, underlay_qpn);
@@ -3340,10 +3341,8 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, }
if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) { - if (!(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT)) { + if (!dest_num) rule_dst = NULL; - dest_num = 0; - } } else { if (is_egress) flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;