drivers/net/sfc/sfc_port.c

   1 /*-
   2  * Copyright (c) 2016 Solarflare Communications Inc.
   3  * All rights reserved.
   4  *
   5  * This software was jointly developed between OKTET Labs (under contract
   6  * for Solarflare) and Solarflare Communications, Inc.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright notice,
  12  *    this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright notice,
  14  *    this list of conditions and the following disclaimer in the documentation
  15  *    and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  19  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  24  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  27  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "efx.h"
  31
  32 #include "sfc.h"
  33 #include "sfc_log.h"
  34
  35
  36 int
  37 sfc_port_start(struct sfc_adapter *sa)
  38 {
  39         struct sfc_port *port = &sa->port;
  40         int rc;
  41
  42         sfc_log_init(sa, "entry");
  43
  44         sfc_log_init(sa, "init filters");
  45         rc = efx_filter_init(sa->nic);
  46         if (rc != 0)
  47                 goto fail_filter_init;
  48
  49         sfc_log_init(sa, "init port");
  50         rc = efx_port_init(sa->nic);
  51         if (rc != 0)
  52                 goto fail_port_init;
  53
  54         sfc_log_init(sa, "set MAC PDU %u", (unsigned int)port->pdu);
  55         rc = efx_mac_pdu_set(sa->nic, port->pdu);
  56         if (rc != 0)
  57                 goto fail_mac_pdu_set;
  58
  59         sfc_log_init(sa, "set MAC address");
  60         rc = efx_mac_addr_set(sa->nic,
  61                               sa->eth_dev->data->mac_addrs[0].addr_bytes);
  62         if (rc != 0)
  63                 goto fail_mac_addr_set;
  64
  65         sfc_log_init(sa, "set MAC filters");
  66         rc = efx_mac_filter_set(sa->nic, B_TRUE, B_TRUE, B_TRUE, B_TRUE);
  67         if (rc != 0)
  68                 goto fail_mac_filter_set;
  69
  70         sfc_log_init(sa, "disable MAC drain");
  71         rc = efx_mac_drain(sa->nic, B_FALSE);
  72         if (rc != 0)
  73                 goto fail_mac_drain;
  74
  75         sfc_log_init(sa, "done");
  76         return 0;
  77
  78 fail_mac_drain:
  79 fail_mac_filter_set:
  80 fail_mac_addr_set:
  81 fail_mac_pdu_set:
  82         efx_port_fini(sa->nic);
  83
  84 fail_port_init:
  85         efx_filter_fini(sa->nic);
  86
  87 fail_filter_init:
  88         sfc_log_init(sa, "failed %d", rc);
  89         return rc;
  90 }
  91
  92 void
  93 sfc_port_stop(struct sfc_adapter *sa)
  94 {
  95         sfc_log_init(sa, "entry");
  96
  97         efx_mac_drain(sa->nic, B_TRUE);
  98         efx_port_fini(sa->nic);
  99         efx_filter_fini(sa->nic);
 100
 101         sfc_log_init(sa, "done");
 102 }
 103
 104 int
 105 sfc_port_init(struct sfc_adapter *sa)
 106 {
 107         const struct rte_eth_dev_data *dev_data = sa->eth_dev->data;
 108         struct sfc_port *port = &sa->port;
 109
 110         sfc_log_init(sa, "entry");
 111
 112         /* Enable flow control by default */
 113         port->flow_ctrl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
 114         port->flow_ctrl_autoneg = B_TRUE;
 115
 116         if (dev_data->dev_conf.rxmode.jumbo_frame)
 117                 port->pdu = dev_data->dev_conf.rxmode.max_rx_pkt_len;
 118         else
 119                 port->pdu = EFX_MAC_PDU(dev_data->mtu);
 120
 121         sfc_log_init(sa, "done");
 122         return 0;
 123 }
 124
 125 void
 126 sfc_port_fini(struct sfc_adapter *sa)
 127 {
 128         sfc_log_init(sa, "entry");
 129
 130         sfc_log_init(sa, "done");
 131 }
 132
 133 void
 134 sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
 135                            struct rte_eth_link *link_info)
 136 {
 137         SFC_ASSERT(link_mode < EFX_LINK_NMODES);
 138
 139         memset(link_info, 0, sizeof(*link_info));
 140         if ((link_mode == EFX_LINK_DOWN) || (link_mode == EFX_LINK_UNKNOWN))
 141                 link_info->link_status = ETH_LINK_DOWN;
 142         else
 143                 link_info->link_status = ETH_LINK_UP;
 144
 145         switch (link_mode) {
 146         case EFX_LINK_10HDX:
 147                 link_info->link_speed  = ETH_SPEED_NUM_10M;
 148                 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
 149                 break;
 150         case EFX_LINK_10FDX:
 151                 link_info->link_speed  = ETH_SPEED_NUM_10M;
 152                 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
 153                 break;
 154         case EFX_LINK_100HDX:
 155                 link_info->link_speed  = ETH_SPEED_NUM_100M;
 156                 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
 157                 break;
 158         case EFX_LINK_100FDX:
 159                 link_info->link_speed  = ETH_SPEED_NUM_100M;
 160                 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
 161                 break;
 162         case EFX_LINK_1000HDX:
 163                 link_info->link_speed  = ETH_SPEED_NUM_1G;
 164                 link_info->link_duplex = ETH_LINK_HALF_DUPLEX;
 165                 break;
 166         case EFX_LINK_1000FDX:
 167                 link_info->link_speed  = ETH_SPEED_NUM_1G;
 168                 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
 169                 break;
 170         case EFX_LINK_10000FDX:
 171                 link_info->link_speed  = ETH_SPEED_NUM_10G;
 172                 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
 173                 break;
 174         case EFX_LINK_40000FDX:
 175                 link_info->link_speed  = ETH_SPEED_NUM_40G;
 176                 link_info->link_duplex = ETH_LINK_FULL_DUPLEX;
 177                 break;
 178         default:
 179                 SFC_ASSERT(B_FALSE);
 180                 /* FALLTHROUGH */
 181         case EFX_LINK_UNKNOWN:
 182         case EFX_LINK_DOWN:
 183                 link_info->link_speed  = ETH_SPEED_NUM_NONE;
 184                 link_info->link_duplex = 0;
 185                 break;
 186         }
 187
 188         link_info->link_autoneg = ETH_LINK_AUTONEG;
 189 }