154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Huawei HiNIC PCI Express Linux driver
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* Copyright(c) 2017 Huawei Technologies Co., Ltd
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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*/
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#ifndef HINIC_QP_H
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#define HINIC_QP_H
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#include "hinic_qe_def.h"
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#include "hinic_port_cmd.h"
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/* frags and linner */
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#define HINIC_MAX_SQ_BUFDESCS (MAX_SKB_FRAGS + 1)
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#define HINIC_MAX_SQ_SGE 17
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#define HINIC_MAX_SKB_NR_FRAGE (HINIC_MAX_SQ_SGE - 1)
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#define HINIC_GSO_MAX_SIZE 65536
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struct hinic_sq_ctrl {
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u32 ctrl_fmt;
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u32 queue_info;
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};
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struct hinic_sq_task {
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u32 pkt_info0;
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u32 pkt_info1;
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u32 pkt_info2;
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u32 ufo_v6_identify;
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u32 pkt_info4;
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u32 rsvd5;
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};
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struct hinic_sq_bufdesc {
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u32 hi_addr;
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u32 lo_addr;
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u32 len;
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u32 rsvd;
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};
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struct hinic_sq_wqe {
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struct hinic_sq_ctrl ctrl;
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struct hinic_sq_task task;
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struct hinic_sq_bufdesc buf_descs[HINIC_MAX_SQ_BUFDESCS];
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};
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struct hinic_rq_ctrl {
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u32 ctrl_fmt;
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};
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struct hinic_rq_cqe {
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u32 status;
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u32 vlan_len;
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u32 offload_type;
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u32 hash_val;
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u32 rsvd4;
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u32 rsvd5;
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u32 rsvd6;
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u32 pkt_info;
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};
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struct hinic_rq_cqe_sect {
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struct hinic_sge sge;
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u32 rsvd;
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};
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struct hinic_rq_bufdesc {
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u32 addr_high;
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u32 addr_low;
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};
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struct hinic_rq_wqe {
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struct hinic_rq_ctrl ctrl;
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u32 rsvd;
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struct hinic_rq_cqe_sect cqe_sect;
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struct hinic_rq_bufdesc buf_desc;
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};
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void hinic_prepare_sq_ctrl(struct hinic_sq_ctrl *ctrl, u32 queue_info,
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int nr_descs, u8 owner);
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u32 hinic_get_pkt_len(struct hinic_rq_cqe *cqe);
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int hinic_get_super_cqe_en(struct hinic_rq_cqe *cqe);
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u32 hinic_get_pkt_len_for_super_cqe(struct hinic_rq_cqe *cqe, bool last);
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u32 hinic_get_pkt_num(struct hinic_rq_cqe *cqe);
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int hinic_get_rx_done(struct hinic_rq_cqe *cqe);
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void hinic_clear_rx_done(struct hinic_rq_cqe *cqe, u32 status_old);
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void hinic_prepare_rq_wqe(void *wqe, u16 pi, dma_addr_t buf_addr,
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dma_addr_t cqe_dma);
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#ifdef static
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#undef static
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#define LLT_STATIC_DEF_SAVED
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#endif
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static inline void hinic_task_set_outter_l3(struct hinic_sq_task *task,
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enum sq_l3_type l3_type,
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u32 network_len)
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{
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task->pkt_info2 |= SQ_TASK_INFO2_SET(l3_type, OUTER_L3TYPE) |
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SQ_TASK_INFO2_SET(network_len, OUTER_L3LEN);
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}
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static inline void hinic_task_set_tunnel_l4(struct hinic_sq_task *task,
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enum sq_tunnel_l4_type l4_type,
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u32 tunnel_len)
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{
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task->pkt_info2 |= SQ_TASK_INFO2_SET(l4_type, TUNNEL_L4TYPE) |
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SQ_TASK_INFO2_SET(tunnel_len, TUNNEL_L4LEN);
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}
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static inline void hinic_task_set_inner_l3(struct hinic_sq_task *task,
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enum sq_l3_type l3_type,
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u32 network_len)
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{
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task->pkt_info0 |= SQ_TASK_INFO0_SET(l3_type, INNER_L3TYPE);
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task->pkt_info1 |= SQ_TASK_INFO1_SET(network_len, INNER_L3LEN);
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}
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#ifdef LLT_STATIC_DEF_SAVED
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#define static
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#undef LLT_STATIC_DEF_SAVED
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#endif
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void hinic_set_cs_inner_l4(struct hinic_sq_task *task, u32 *queue_info,
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enum sq_l4offload_type l4_offload,
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u32 l4_len, u32 offset);
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void hinic_set_tso_inner_l4(struct hinic_sq_task *task, u32 *queue_info,
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enum sq_l4offload_type l4_offload, u32 l4_len,
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u32 offset, u32 ip_ident, u32 mss);
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void hinic_set_vlan_tx_offload(struct hinic_sq_task *task, u32 *queue_info,
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u16 vlan_tag, u16 vlan_pri);
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void hinic_task_set_tx_offload_valid(struct hinic_sq_task *task, u32 l2hdr_len);
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#endif
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