drivers/net/ethernet/hisilicon/hns3/hns3_dcbnl.c

   1 /*
   2  * Copyright (c) 2016-2017 Hisilicon Limited.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #include "hnae3.h"
  11 #include "hns3_enet.h"
  12
  13 static
  14 int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets)
  15 {
  16         struct hnae3_handle *h = hns3_get_handle(ndev);
  17
  18         if (h->kinfo.dcb_ops->ieee_getets)
  19                 return h->kinfo.dcb_ops->ieee_getets(h, ets);
  20
  21         return -EOPNOTSUPP;
  22 }
  23
  24 static
  25 int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets)
  26 {
  27         struct hnae3_handle *h = hns3_get_handle(ndev);
  28
  29         if (h->kinfo.dcb_ops->ieee_setets)
  30                 return h->kinfo.dcb_ops->ieee_setets(h, ets);
  31
  32         return -EOPNOTSUPP;
  33 }
  34
  35 static
  36 int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc)
  37 {
  38         struct hnae3_handle *h = hns3_get_handle(ndev);
  39
  40         if (h->kinfo.dcb_ops->ieee_getpfc)
  41                 return h->kinfo.dcb_ops->ieee_getpfc(h, pfc);
  42
  43         return -EOPNOTSUPP;
  44 }
  45
  46 static
  47 int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc)
  48 {
  49         struct hnae3_handle *h = hns3_get_handle(ndev);
  50
  51         if (h->kinfo.dcb_ops->ieee_setpfc)
  52                 return h->kinfo.dcb_ops->ieee_setpfc(h, pfc);
  53
  54         return -EOPNOTSUPP;
  55 }
  56
  57 /* DCBX configuration */
  58 static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
  59 {
  60         struct hnae3_handle *h = hns3_get_handle(ndev);
  61
  62         if (h->kinfo.dcb_ops->getdcbx)
  63                 return h->kinfo.dcb_ops->getdcbx(h);
  64
  65         return 0;
  66 }
  67
  68 /* return 0 if successful, otherwise fail */
  69 static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
  70 {
  71         struct hnae3_handle *h = hns3_get_handle(ndev);
  72
  73         if (h->kinfo.dcb_ops->setdcbx)
  74                 return h->kinfo.dcb_ops->setdcbx(h, mode);
  75
  76         return 1;
  77 }
  78
  79 static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
  80         .ieee_getets    = hns3_dcbnl_ieee_getets,
  81         .ieee_setets    = hns3_dcbnl_ieee_setets,
  82         .ieee_getpfc    = hns3_dcbnl_ieee_getpfc,
  83         .ieee_setpfc    = hns3_dcbnl_ieee_setpfc,
  84         .getdcbx        = hns3_dcbnl_getdcbx,
  85         .setdcbx        = hns3_dcbnl_setdcbx,
  86 };
  87
  88 /* hclge_dcbnl_setup - DCBNL setup
  89  * @handle: the corresponding vport handle
  90  * Set up DCBNL
  91  */
  92 void hns3_dcbnl_setup(struct hnae3_handle *handle)
  93 {
  94         struct net_device *dev = handle->kinfo.netdev;
  95
  96         if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF))
  97                 return;
  98
  99         dev->dcbnl_ops = &hns3_dcbnl_ops;
 100 }