f-stack/dpdk/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.h

117 lines
2.7 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2014-2019 Broadcom
* All rights reserved.
*/
#ifndef _ULP_MARK_MGR_H_
#define _ULP_MARK_MGR_H_
#include "bnxt_ulp.h"
#define BNXT_ULP_MARK_VALID 0x1
#define BNXT_ULP_MARK_VFR_ID 0x2
#define BNXT_ULP_MARK_GLOBAL_HW_FID 0x4
#define BNXT_ULP_MARK_LOCAL_HW_FID 0x8
struct bnxt_lfid_mark_info {
uint16_t mark_id;
uint16_t flags;
};
struct bnxt_gfid_mark_info {
uint32_t mark_id;
uint16_t flags;
};
struct bnxt_ulp_mark_tbl {
struct bnxt_lfid_mark_info *lfid_tbl;
struct bnxt_gfid_mark_info *gfid_tbl;
uint32_t lfid_num_entries;
uint32_t gfid_num_entries;
uint32_t gfid_mask;
uint32_t gfid_type_bit;
};
/*
* Allocate and Initialize all Mark Manager resources for this ulp context.
*
* Initialize MARK database for GFID & LFID tables
* GFID: Global flow id which is based on EEM hash id.
* LFID: Local flow id which is the CFA action pointer.
* GFID is used for EEM flows, LFID is used for EM flows.
*
* Flow mapper modules adds mark_id in the MARK database.
*
* BNXT PMD receive handler extracts the hardware flow id from the
* received completion record. Fetches mark_id from the MARK
* database using the flow id. Injects mark_id into the packet's mbuf.
*
* ctxt [in] The ulp context for the mark manager.
*/
int32_t
ulp_mark_db_init(struct bnxt_ulp_context *ctxt);
/*
* Release all resources in the Mark Manager for this ulp context
*
* ctxt [in] The ulp context for the mark manager
*/
int32_t
ulp_mark_db_deinit(struct bnxt_ulp_context *ctxt);
/*
* Get a Mark from the Mark Manager
*
* ctxt [in] The ulp context for the mark manager
*
* is_gfid [in] The type of fid (GFID or LFID)
*
* fid [in] The flow id that is returned by HW in BD
*
* vfr_flag [out].it indicatesif mark is vfr_id or mark id
*
* mark [out] The mark that is associated with the FID
*
*/
int32_t
ulp_mark_db_mark_get(struct bnxt_ulp_context *ctxt,
bool is_gfid,
uint32_t fid,
uint32_t *vfr_flag,
uint32_t *mark);
/*
* Adds a Mark to the Mark Manager
*
* ctxt [in] The ulp context for the mark manager
*
* mark_flag [in] mark flags.
*
* fid [in] The flow id that is returned by HW in BD
*
* mark [in] The mark to be associated with the FID
*
*/
int32_t
ulp_mark_db_mark_add(struct bnxt_ulp_context *ctxt,
uint32_t mark_flag,
uint32_t gfid,
uint32_t mark);
/*
* Removes a Mark from the Mark Manager
*
* ctxt [in] The ulp context for the mark manager
*
* mark_flag [in] mark flags
*
* fid [in] The flow id that is returned by HW in BD
*
*/
int32_t
ulp_mark_db_mark_del(struct bnxt_ulp_context *ctxt,
uint32_t mark_flag,
uint32_t gfid);
#endif /* _ULP_MARK_MGR_H_ */