| 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 |
| 47 |