dpaa2_mac.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause
    3  *
    4  * Copyright © 2021-2022 Dmitry Salychev
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #ifndef _DPAA2_MAC_H
   29 #define _DPAA2_MAC_H
   30 
   31 #include <sys/rman.h>
   32 #include <sys/bus.h>
   33 #include <sys/queue.h>
   34 
   35 #include <net/ethernet.h>
   36 
   37 #include "dpaa2_types.h"
   38 #include "dpaa2_mcp.h"
   39 
   40 #define DPAA2_MAC_MAX_RESOURCES 1  /* Maximum resources per DPMAC: 1 DPMCP. */
   41 #define DPAA2_MAC_MSI_COUNT     1  /* MSIs per DPMAC */
   42 
   43 /* DPMAC link configuration options. */
   44 #define DPAA2_MAC_LINK_OPT_AUTONEG      ((uint64_t) 0x01u)
   45 #define DPAA2_MAC_LINK_OPT_HALF_DUPLEX  ((uint64_t) 0x02u)
   46 #define DPAA2_MAC_LINK_OPT_PAUSE        ((uint64_t) 0x04u)
   47 #define DPAA2_MAC_LINK_OPT_ASYM_PAUSE   ((uint64_t) 0x08u)
   48 
   49 enum dpaa2_mac_eth_if {
   50         DPAA2_MAC_ETH_IF_MII,
   51         DPAA2_MAC_ETH_IF_RMII,
   52         DPAA2_MAC_ETH_IF_SMII,
   53         DPAA2_MAC_ETH_IF_GMII,
   54         DPAA2_MAC_ETH_IF_RGMII,
   55         DPAA2_MAC_ETH_IF_SGMII,
   56         DPAA2_MAC_ETH_IF_QSGMII,
   57         DPAA2_MAC_ETH_IF_XAUI,
   58         DPAA2_MAC_ETH_IF_XFI,
   59         DPAA2_MAC_ETH_IF_CAUI,
   60         DPAA2_MAC_ETH_IF_1000BASEX,
   61         DPAA2_MAC_ETH_IF_USXGMII
   62 };
   63 
   64 enum dpaa2_mac_link_type {
   65         DPAA2_MAC_LINK_TYPE_NONE,
   66         DPAA2_MAC_LINK_TYPE_FIXED,
   67         DPAA2_MAC_LINK_TYPE_PHY,
   68         DPAA2_MAC_LINK_TYPE_BACKPLANE
   69 };
   70 
   71 /**
   72  * @brief Attributes of the DPMAC object.
   73  *
   74  * id:          DPMAC object ID.
   75  * max_rate:    Maximum supported rate (in Mbps).
   76  * eth_if:      Type of the Ethernet interface.
   77  * link_type:   Type of the link.
   78  */
   79 struct dpaa2_mac_attr {
   80         uint32_t                 id;
   81         uint32_t                 max_rate;
   82         enum dpaa2_mac_eth_if    eth_if;
   83         enum dpaa2_mac_link_type link_type;
   84 };
   85 
   86 /**
   87  * @brief Link state of the DPMAC object.
   88  */
   89 struct dpaa2_mac_link_state {
   90         uint64_t                 options;
   91         uint64_t                 supported;
   92         uint64_t                 advert;
   93         uint32_t                 rate;
   94         bool                     up;
   95         bool                     state_valid;
   96 };
   97 
   98 /**
   99  * @brief Software context for the DPAA2 MAC driver.
  100  *
  101  * dev:         Device associated with this software context.
  102  * addr:        Physical address assigned to the DPMAC object.
  103  * attr:        Attributes of the DPMAC object.
  104  */
  105 struct dpaa2_mac_softc {
  106         device_t                 dev;
  107         uint8_t                  addr[ETHER_ADDR_LEN];
  108         struct resource         *res[DPAA2_MAC_MAX_RESOURCES];
  109         struct dpaa2_mac_attr    attr;
  110 
  111         /* Help to send commands to MC. */
  112         struct dpaa2_cmd        *cmd;
  113         uint16_t                 rc_token;
  114         uint16_t                 mac_token;
  115 
  116         /* Interrupts. */
  117         int                      irq_rid[DPAA2_MAC_MSI_COUNT];
  118         struct resource         *irq_res;
  119         void                    *intr; /* interrupt handle */
  120 };
  121 
  122 extern struct resource_spec dpaa2_mac_spec[];
  123 
  124 #endif /* _DPAA2_MAC_H */

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FreeBSD/Linux Kernel Cross Reference sys/dev/dpaa2/dpaa2_mac.h

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sys/dev/dpaa2/dpaa2_mac.h