| /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ |
| /* Copyright (C) 2023 Corigine, Inc. */ |
| |
| #ifndef __NFP_NIC_H__ |
| #define __NFP_NIC_H__ 1 |
| |
| #include <linux/netdevice.h> |
| |
| #ifdef CONFIG_DCB |
| /* DCB feature definitions */ |
| #define NFP_NET_MAX_DSCP 64 |
| #define NFP_NET_MAX_TC IEEE_8021QAZ_MAX_TCS |
| #define NFP_NET_MAX_PRIO 8 |
| #define NFP_DCB_CFG_STRIDE 256 |
| |
| struct nfp_dcb { |
| u8 dscp2prio[NFP_NET_MAX_DSCP]; |
| u8 prio2tc[NFP_NET_MAX_PRIO]; |
| u8 tc2idx[IEEE_8021QAZ_MAX_TCS]; |
| u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS]; |
| u8 tc_tx_pct[IEEE_8021QAZ_MAX_TCS]; |
| u8 tc_tsa[IEEE_8021QAZ_MAX_TCS]; |
| u8 dscp_cnt; |
| u8 trust_status; |
| bool rate_init; |
| bool ets_init; |
| |
| struct nfp_cpp_area *dcbcfg_tbl_area; |
| u8 __iomem *dcbcfg_tbl; |
| u32 cfg_offset; |
| }; |
| |
| int nfp_nic_dcb_init(struct nfp_net *nn); |
| void nfp_nic_dcb_clean(struct nfp_net *nn); |
| #else |
| static inline int nfp_nic_dcb_init(struct nfp_net *nn) { return 0; } |
| static inline void nfp_nic_dcb_clean(struct nfp_net *nn) {} |
| #endif |
| |
| struct nfp_app_nic_private { |
| #ifdef CONFIG_DCB |
| struct nfp_dcb dcb; |
| #endif |
| }; |
| |
| #endif |
