drivers/net/ethernet/netronome/nfp/nic/main.c

   1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 /* Copyright (C) 2017 Netronome Systems, Inc. */
   3
   4 #include "../nfpcore/nfp_cpp.h"
   5 #include "../nfpcore/nfp_nsp.h"
   6 #include "../nfp_app.h"
   7 #include "../nfp_main.h"
   8 #include "../nfp_net.h"
   9 #include "main.h"
  10
  11 static int nfp_nic_init(struct nfp_app *app)
  12 {
  13         struct nfp_pf *pf = app->pf;
  14
  15         if (pf->eth_tbl && pf->max_data_vnics != pf->eth_tbl->count) {
  16                 nfp_err(pf->cpp, "ETH entries don't match vNICs (%d vs %d)\n",
  17                         pf->max_data_vnics, pf->eth_tbl->count);
  18                 return -EINVAL;
  19         }
  20
  21         return 0;
  22 }
  23
  24 static int nfp_nic_sriov_enable(struct nfp_app *app, int num_vfs)
  25 {
  26         return 0;
  27 }
  28
  29 static void nfp_nic_sriov_disable(struct nfp_app *app)
  30 {
  31 }
  32
  33 static int nfp_nic_vnic_init(struct nfp_app *app, struct nfp_net *nn)
  34 {
  35         return nfp_nic_dcb_init(nn);
  36 }
  37
  38 static void nfp_nic_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
  39 {
  40         nfp_nic_dcb_clean(nn);
  41 }
  42
  43 static int nfp_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
  44                               unsigned int id)
  45 {
  46         struct nfp_app_nic_private *app_pri = nn->app_priv;
  47         int err;
  48
  49         err = nfp_app_nic_vnic_alloc(app, nn, id);
  50         if (err)
  51                 return err;
  52
  53         if (sizeof(*app_pri)) {
  54                 nn->app_priv = kzalloc(sizeof(*app_pri), GFP_KERNEL);
  55                 if (!nn->app_priv)
  56                         return -ENOMEM;
  57         }
  58
  59         return 0;
  60 }
  61
  62 static void nfp_nic_vnic_free(struct nfp_app *app, struct nfp_net *nn)
  63 {
  64         kfree(nn->app_priv);
  65 }
  66
  67 const struct nfp_app_type app_nic = {
  68         .id             = NFP_APP_CORE_NIC,
  69         .name           = "nic",
  70
  71         .init           = nfp_nic_init,
  72         .vnic_alloc     = nfp_nic_vnic_alloc,
  73         .vnic_free      = nfp_nic_vnic_free,
  74         .sriov_enable   = nfp_nic_sriov_enable,
  75         .sriov_disable  = nfp_nic_sriov_disable,
  76
  77         .vnic_init      = nfp_nic_vnic_init,
  78         .vnic_clean     = nfp_nic_vnic_clean,
  79 };