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

   1 // SPDX-License-Identifier: GPL-2.0+
   2 // Copyright (c) 2016-2017 Hisilicon Limited.
   3
   4 #include "hnae3.h"
   5 #include "hns3_enet.h"
   6
   7 static
   8 int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets)
   9 {
  10         struct hnae3_handle *h = hns3_get_handle(ndev);
  11
  12         if (h->kinfo.dcb_ops->ieee_getets)
  13                 return h->kinfo.dcb_ops->ieee_getets(h, ets);
  14
  15         return -EOPNOTSUPP;
  16 }
  17
  18 static
  19 int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets)
  20 {
  21         struct hnae3_handle *h = hns3_get_handle(ndev);
  22
  23         if (h->kinfo.dcb_ops->ieee_setets)
  24                 return h->kinfo.dcb_ops->ieee_setets(h, ets);
  25
  26         return -EOPNOTSUPP;
  27 }
  28
  29 static
  30 int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc)
  31 {
  32         struct hnae3_handle *h = hns3_get_handle(ndev);
  33
  34         if (h->kinfo.dcb_ops->ieee_getpfc)
  35                 return h->kinfo.dcb_ops->ieee_getpfc(h, pfc);
  36
  37         return -EOPNOTSUPP;
  38 }
  39
  40 static
  41 int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc)
  42 {
  43         struct hnae3_handle *h = hns3_get_handle(ndev);
  44
  45         if (h->kinfo.dcb_ops->ieee_setpfc)
  46                 return h->kinfo.dcb_ops->ieee_setpfc(h, pfc);
  47
  48         return -EOPNOTSUPP;
  49 }
  50
  51 /* DCBX configuration */
  52 static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
  53 {
  54         struct hnae3_handle *h = hns3_get_handle(ndev);
  55
  56         if (h->kinfo.dcb_ops->getdcbx)
  57                 return h->kinfo.dcb_ops->getdcbx(h);
  58
  59         return 0;
  60 }
  61
  62 /* return 0 if successful, otherwise fail */
  63 static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
  64 {
  65         struct hnae3_handle *h = hns3_get_handle(ndev);
  66
  67         if (h->kinfo.dcb_ops->setdcbx)
  68                 return h->kinfo.dcb_ops->setdcbx(h, mode);
  69
  70         return 1;
  71 }
  72
  73 static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
  74         .ieee_getets    = hns3_dcbnl_ieee_getets,
  75         .ieee_setets    = hns3_dcbnl_ieee_setets,
  76         .ieee_getpfc    = hns3_dcbnl_ieee_getpfc,
  77         .ieee_setpfc    = hns3_dcbnl_ieee_setpfc,
  78         .getdcbx        = hns3_dcbnl_getdcbx,
  79         .setdcbx        = hns3_dcbnl_setdcbx,
  80 };
  81
  82 /* hclge_dcbnl_setup - DCBNL setup
  83  * @handle: the corresponding vport handle
  84  * Set up DCBNL
  85  */
  86 void hns3_dcbnl_setup(struct hnae3_handle *handle)
  87 {
  88         struct net_device *dev = handle->kinfo.netdev;
  89
  90         if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF))
  91                 return;
  92
  93         dev->dcbnl_ops = &hns3_dcbnl_ops;
  94 }