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

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
   2 /* Copyright (C) 2023 Corigine, Inc. */
   3
   4 #ifndef __NFP_NIC_H__
   5 #define __NFP_NIC_H__ 1
   6
   7 #include <linux/netdevice.h>
   8
   9 #ifdef CONFIG_DCB
  10 /* DCB feature definitions */
  11 #define NFP_NET_MAX_DSCP        64
  12 #define NFP_NET_MAX_TC          IEEE_8021QAZ_MAX_TCS
  13 #define NFP_NET_MAX_PRIO        8
  14 #define NFP_DCB_CFG_STRIDE      256
  15
  16 struct nfp_dcb {
  17         u8 dscp2prio[NFP_NET_MAX_DSCP];
  18         u8 prio2tc[NFP_NET_MAX_PRIO];
  19         u8 tc2idx[IEEE_8021QAZ_MAX_TCS];
  20         u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS];
  21         u8 tc_tx_pct[IEEE_8021QAZ_MAX_TCS];
  22         u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
  23         u8 dscp_cnt;
  24         u8 trust_status;
  25         bool rate_init;
  26         bool ets_init;
  27
  28         struct nfp_cpp_area *dcbcfg_tbl_area;
  29         u8 __iomem *dcbcfg_tbl;
  30         u32 cfg_offset;
  31 };
  32
  33 int nfp_nic_dcb_init(struct nfp_net *nn);
  34 void nfp_nic_dcb_clean(struct nfp_net *nn);
  35 #else
  36 static inline int nfp_nic_dcb_init(struct nfp_net *nn) { return 0; }
  37 static inline void nfp_nic_dcb_clean(struct nfp_net *nn) {}
  38 #endif
  39
  40 struct nfp_app_nic_private {
  41 #ifdef CONFIG_DCB
  42         struct nfp_dcb dcb;
  43 #endif
  44 };
  45
  46 #endif