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 int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets) 8 { 9 struct hnae3_handle *h = hns3_get_handle(ndev); 10 11 if (hns3_nic_resetting(ndev)) 12 return -EBUSY; 13 14 if (h->kinfo.dcb_ops->ieee_getets) 15 return h->kinfo.dcb_ops->ieee_getets(h, ets); 16 17 return -EOPNOTSUPP; 18 } 19 20 static int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets) 21 { 22 struct hnae3_handle *h = hns3_get_handle(ndev); 23 24 if (hns3_nic_resetting(ndev)) 25 return -EBUSY; 26 27 if (h->kinfo.dcb_ops->ieee_setets) 28 return h->kinfo.dcb_ops->ieee_setets(h, ets); 29 30 return -EOPNOTSUPP; 31 } 32 33 static int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc) 34 { 35 struct hnae3_handle *h = hns3_get_handle(ndev); 36 37 if (hns3_nic_resetting(ndev)) 38 return -EBUSY; 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 int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc) 47 { 48 struct hnae3_handle *h = hns3_get_handle(ndev); 49 50 if (hns3_nic_resetting(ndev)) 51 return -EBUSY; 52 53 if (h->kinfo.dcb_ops->ieee_setpfc) 54 return h->kinfo.dcb_ops->ieee_setpfc(h, pfc); 55 56 return -EOPNOTSUPP; 57 } 58 59 static int hns3_dcbnl_ieee_setapp(struct net_device *ndev, struct dcb_app *app) 60 { 61 struct hnae3_handle *h = hns3_get_handle(ndev); 62 63 if (hns3_nic_resetting(ndev)) 64 return -EBUSY; 65 66 if (h->kinfo.dcb_ops->ieee_setapp) 67 return h->kinfo.dcb_ops->ieee_setapp(h, app); 68 69 return -EOPNOTSUPP; 70 } 71 72 static int hns3_dcbnl_ieee_delapp(struct net_device *ndev, struct dcb_app *app) 73 { 74 struct hnae3_handle *h = hns3_get_handle(ndev); 75 76 if (hns3_nic_resetting(ndev)) 77 return -EBUSY; 78 79 if (h->kinfo.dcb_ops->ieee_setapp) 80 return h->kinfo.dcb_ops->ieee_delapp(h, app); 81 82 return -EOPNOTSUPP; 83 } 84 85 /* DCBX configuration */ 86 static u8 hns3_dcbnl_getdcbx(struct net_device *ndev) 87 { 88 struct hnae3_handle *h = hns3_get_handle(ndev); 89 90 if (h->kinfo.dcb_ops->getdcbx) 91 return h->kinfo.dcb_ops->getdcbx(h); 92 93 return 0; 94 } 95 96 /* return 0 if successful, otherwise fail */ 97 static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode) 98 { 99 struct hnae3_handle *h = hns3_get_handle(ndev); 100 101 if (h->kinfo.dcb_ops->setdcbx) 102 return h->kinfo.dcb_ops->setdcbx(h, mode); 103 104 return 1; 105 } 106 107 static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = { 108 .ieee_getets = hns3_dcbnl_ieee_getets, 109 .ieee_setets = hns3_dcbnl_ieee_setets, 110 .ieee_getpfc = hns3_dcbnl_ieee_getpfc, 111 .ieee_setpfc = hns3_dcbnl_ieee_setpfc, 112 .ieee_setapp = hns3_dcbnl_ieee_setapp, 113 .ieee_delapp = hns3_dcbnl_ieee_delapp, 114 .getdcbx = hns3_dcbnl_getdcbx, 115 .setdcbx = hns3_dcbnl_setdcbx, 116 }; 117 118 /* hclge_dcbnl_setup - DCBNL setup 119 * @handle: the corresponding vport handle 120 * Set up DCBNL 121 */ 122 void hns3_dcbnl_setup(struct hnae3_handle *handle) 123 { 124 struct net_device *dev = handle->kinfo.netdev; 125 126 if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF)) 127 return; 128 129 dev->dcbnl_ops = &hns3_dcbnl_ops; 130 } 131