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path: root/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 1c3fdd4a1f7d..8f1254a79832 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -3895,6 +3895,60 @@ static int add_eth_header(struct mlx4_dev *dev, int slave,
}
+#define MLX4_UPD_QP_PATH_MASK_SUPPORTED (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)
+int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
+ struct mlx4_vhcr *vhcr,
+ struct mlx4_cmd_mailbox *inbox,
+ struct mlx4_cmd_mailbox *outbox,
+ struct mlx4_cmd_info *cmd_info)
+{
+ int err;
+ u32 qpn = vhcr->in_modifier & 0xffffff;
+ struct res_qp *rqp;
+ u64 mac;
+ unsigned port;
+ u64 pri_addr_path_mask;
+ struct mlx4_update_qp_context *cmd;
+ int smac_index;
+
+ cmd = (struct mlx4_update_qp_context *)inbox->buf;
+
+ pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask);
+ if (cmd->qp_mask || cmd->secondary_addr_path_mask ||
+ (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
+ return -EPERM;
+
+ /* Just change the smac for the QP */
+ err = get_res(dev, slave, qpn, RES_QP, &rqp);
+ if (err) {
+ mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave);
+ return err;
+ }
+
+ port = (rqp->sched_queue >> 6 & 1) + 1;
+ smac_index = cmd->qp_context.pri_path.grh_mylmc;
+ err = mac_find_smac_ix_in_slave(dev, slave, port,
+ smac_index, &mac);
+ if (err) {
+ mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n",
+ qpn, smac_index);
+ goto err_mac;
+ }
+
+ err = mlx4_cmd(dev, inbox->dma,
+ vhcr->in_modifier, 0,
+ MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
+ MLX4_CMD_NATIVE);
+ if (err) {
+ mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn);
+ goto err_mac;
+ }
+
+err_mac:
+ put_res(dev, slave, qpn, RES_QP);
+ return err;
+}
+
int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,