drivers/net/sfc/sfc_switch.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  * Copyright(c) 2019-2021 Xilinx, Inc.
   4  * Copyright(c) 2019 Solarflare Communications Inc.
   5  *
   6  * This software was jointly developed between OKTET Labs (under contract
   7  * for Solarflare) and Solarflare Communications, Inc.
   8  */
   9
  10 #ifndef _SFC_SWITCH_H
  11 #define _SFC_SWITCH_H
  12
  13 #include <stdint.h>
  14
  15 #include "efx.h"
  16
  17 #include "sfc.h"
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 /** Options for MAE switch port type */
  24 enum sfc_mae_switch_port_type {
  25         /**
  26          * The switch port is operated by a self-sufficient RTE ethdev
  27          * and thus refers to its underlying PCIe function
  28          */
  29         SFC_MAE_SWITCH_PORT_INDEPENDENT = 0,
  30         /**
  31          * The switch port is operated by a representor RTE ethdev
  32          * and thus refers to the represented PCIe function
  33          */
  34         SFC_MAE_SWITCH_PORT_REPRESENTOR,
  35 };
  36
  37 struct sfc_mae_switch_port_request {
  38         enum sfc_mae_switch_port_type           type;
  39         const efx_mport_sel_t                   *entity_mportp;
  40         const efx_mport_sel_t                   *ethdev_mportp;
  41         uint16_t                                ethdev_port_id;
  42 };
  43
  44 int sfc_mae_assign_switch_domain(struct sfc_adapter *sa,
  45                                  uint16_t *switch_domain_id);
  46
  47 int sfc_mae_assign_switch_port(uint16_t switch_domain_id,
  48                                const struct sfc_mae_switch_port_request *req,
  49                                uint16_t *switch_port_id);
  50
  51 int sfc_mae_switch_port_by_ethdev(uint16_t switch_domain_id,
  52                                   uint16_t ethdev_port_id,
  53                                   efx_mport_sel_t *mport_sel);
  54
  55 #ifdef __cplusplus
  56 }
  57 #endif
  58 #endif /* _SFC_SWITCH_H */