diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index b05705f50f0..0b3f2d27d57 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -3071,6 +3071,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; int err; + int qpn; struct mlx4_net_trans_rule_hw_ctrl *ctrl; struct _rule_hw *rule_header; int header_id; @@ -3080,13 +3081,21 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, return -EOPNOTSUPP; ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; + qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; + err = get_res(dev, slave, qpn, RES_QP, NULL); + if (err) { + pr_err("Steering rule with qpn 0x%x rejected.\n", qpn); + return err; + } rule_header = (struct _rule_hw *)(ctrl + 1); header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); switch (header_id) { case MLX4_NET_TRANS_RULE_ID_ETH: - if (validate_eth_header_mac(slave, rule_header, rlist)) - return -EINVAL; + if (validate_eth_header_mac(slave, rule_header, rlist)) { + err = -EINVAL; + goto err_put; + } break; case MLX4_NET_TRANS_RULE_ID_IB: break; @@ -3094,14 +3103,17 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, case MLX4_NET_TRANS_RULE_ID_TCP: case MLX4_NET_TRANS_RULE_ID_UDP: pr_warn("Can't attach FS rule without L2 headers, adding L2 header.\n"); - if (add_eth_header(dev, slave, inbox, rlist, header_id)) - return -EINVAL; + if (add_eth_header(dev, slave, inbox, rlist, header_id)) { + err = -EINVAL; + goto err_put; + } vhcr->in_modifier += sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; break; default: pr_err("Corrupted mailbox.\n"); - return -EINVAL; + err = -EINVAL; + goto err_put; } err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, @@ -3109,7 +3121,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) - return err; + goto err_put; err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, 0); if (err) { @@ -3119,6 +3131,8 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); } +err_put: + put_res(dev, slave, qpn, RES_QP); return err; } |