171 lines
5.1 KiB
C
171 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright 2008 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
|
|
*/
|
|
#ifndef _CQ_EXCH_DESC_H_
|
|
#define _CQ_EXCH_DESC_H_
|
|
|
|
#include "cq_desc.h"
|
|
|
|
/* Exchange completion queue descriptor: 16B */
|
|
struct cq_exch_wq_desc {
|
|
u16 completed_index;
|
|
u16 q_number;
|
|
u16 exchange_id;
|
|
u8 tmpl;
|
|
u8 reserved0;
|
|
u32 reserved1;
|
|
u8 exch_status;
|
|
u8 reserved2[2];
|
|
u8 type_color;
|
|
};
|
|
|
|
#define CQ_EXCH_WQ_STATUS_BITS 2
|
|
#define CQ_EXCH_WQ_STATUS_MASK ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1)
|
|
|
|
enum cq_exch_status_types {
|
|
CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0,
|
|
CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1,
|
|
CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2,
|
|
CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3,
|
|
};
|
|
|
|
static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr,
|
|
u8 *type,
|
|
u8 *color,
|
|
u16 *q_number,
|
|
u16 *completed_index,
|
|
u8 *exch_status)
|
|
{
|
|
cq_desc_dec((struct cq_desc *)desc_ptr, type,
|
|
color, q_number, completed_index);
|
|
*exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK;
|
|
}
|
|
|
|
struct cq_fcp_rq_desc {
|
|
u16 completed_index_eop_sop_prt;
|
|
u16 q_number;
|
|
u16 exchange_id;
|
|
u16 tmpl;
|
|
u16 bytes_written;
|
|
u16 vlan;
|
|
u8 sof;
|
|
u8 eof;
|
|
u8 fcs_fer_fck;
|
|
u8 type_color;
|
|
};
|
|
|
|
#define CQ_FCP_RQ_DESC_FLAGS_SOP (1 << 15)
|
|
#define CQ_FCP_RQ_DESC_FLAGS_EOP (1 << 14)
|
|
#define CQ_FCP_RQ_DESC_FLAGS_PRT (1 << 12)
|
|
#define CQ_FCP_RQ_DESC_TMPL_MASK 0x1f
|
|
#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK 0x3fff
|
|
#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT 14
|
|
#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT)
|
|
#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT 15
|
|
#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT)
|
|
#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK 0x1
|
|
#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT 1
|
|
#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT)
|
|
#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT 7
|
|
#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT)
|
|
|
|
static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr,
|
|
u8 *type,
|
|
u8 *color,
|
|
u16 *q_number,
|
|
u16 *completed_index,
|
|
u8 *eop,
|
|
u8 *sop,
|
|
u8 *fck,
|
|
u16 *exchange_id,
|
|
u16 *tmpl,
|
|
u32 *bytes_written,
|
|
u8 *sof,
|
|
u8 *eof,
|
|
u8 *ingress_port,
|
|
u8 *packet_err,
|
|
u8 *fcoe_err,
|
|
u8 *fcs_ok,
|
|
u8 *vlan_stripped,
|
|
u16 *vlan)
|
|
{
|
|
cq_desc_dec((struct cq_desc *)desc_ptr, type,
|
|
color, q_number, completed_index);
|
|
*eop = (desc_ptr->completed_index_eop_sop_prt &
|
|
CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0;
|
|
*sop = (desc_ptr->completed_index_eop_sop_prt &
|
|
CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0;
|
|
*ingress_port =
|
|
(desc_ptr->completed_index_eop_sop_prt &
|
|
CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0;
|
|
*exchange_id = desc_ptr->exchange_id;
|
|
*tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK;
|
|
*bytes_written =
|
|
desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK;
|
|
*packet_err =
|
|
(desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >>
|
|
CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT;
|
|
*vlan_stripped =
|
|
(desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >>
|
|
CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT;
|
|
*vlan = desc_ptr->vlan;
|
|
*sof = desc_ptr->sof;
|
|
*fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK;
|
|
*fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >>
|
|
CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT;
|
|
*eof = desc_ptr->eof;
|
|
*fcs_ok =
|
|
(desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >>
|
|
CQ_FCP_RQ_DESC_FCS_OK_SHIFT;
|
|
}
|
|
|
|
struct cq_sgl_desc {
|
|
u16 exchange_id;
|
|
u16 q_number;
|
|
u32 active_burst_offset;
|
|
u32 tot_data_bytes;
|
|
u16 tmpl;
|
|
u8 sgl_err;
|
|
u8 type_color;
|
|
};
|
|
|
|
enum cq_sgl_err_types {
|
|
CQ_SGL_ERR_NO_ERROR = 0,
|
|
CQ_SGL_ERR_OVERFLOW, /* data ran beyond end of SGL */
|
|
CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/
|
|
CQ_SGL_ERR_ADDR_RSP_ERR, /* sgl address error */
|
|
CQ_SGL_ERR_DATA_RSP_ERR, /* sgl data rsp error */
|
|
CQ_SGL_ERR_CNT_ZERO_ERR, /* SGL count is 0 */
|
|
CQ_SGL_ERR_CNT_MAX_ERR, /* SGL count is larger than supported */
|
|
CQ_SGL_ERR_ORDER_ERR, /* frames recv on both ports, order err */
|
|
CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */
|
|
CQ_SGL_ERR_HOST_CQ_ERR, /* host cq entry to local vnic addr ill */
|
|
};
|
|
|
|
#define CQ_SGL_SGL_ERR_MASK 0x1f
|
|
#define CQ_SGL_TMPL_MASK 0x1f
|
|
|
|
static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr,
|
|
u8 *type,
|
|
u8 *color,
|
|
u16 *q_number,
|
|
u16 *exchange_id,
|
|
u32 *active_burst_offset,
|
|
u32 *tot_data_bytes,
|
|
u16 *tmpl,
|
|
u8 *sgl_err)
|
|
{
|
|
/* Cheat a little by assuming exchange_id is the same as completed
|
|
index */
|
|
cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number,
|
|
exchange_id);
|
|
*active_burst_offset = desc_ptr->active_burst_offset;
|
|
*tot_data_bytes = desc_ptr->tot_data_bytes;
|
|
*tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK;
|
|
*sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK;
|
|
}
|
|
|
|
#endif /* _CQ_EXCH_DESC_H_ */
|