ceph/src/spdk/dpdk/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2019 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _ULP_MARK_MGR_H_
   7 #define _ULP_MARK_MGR_H_
   8
   9 #include "bnxt_ulp.h"
  10
  11 #define BNXT_ULP_MARK_VALID   0x1
  12 #define BNXT_ULP_MARK_GLOBAL_HW_FID 0x4
  13 #define BNXT_ULP_MARK_LOCAL_HW_FID 0x8
  14
  15 struct bnxt_lfid_mark_info {
  16         uint16_t        mark_id;
  17         uint16_t        flags;
  18 };
  19
  20 struct bnxt_gfid_mark_info {
  21         uint32_t        mark_id;
  22         uint16_t        flags;
  23 };
  24
  25 struct bnxt_ulp_mark_tbl {
  26         struct bnxt_lfid_mark_info      *lfid_tbl;
  27         struct bnxt_gfid_mark_info      *gfid_tbl;
  28         uint32_t                        lfid_num_entries;
  29         uint32_t                        gfid_num_entries;
  30         uint32_t                        gfid_mask;
  31         uint32_t                        gfid_type_bit;
  32 };
  33
  34 /*
  35  * Allocate and Initialize all Mark Manager resources for this ulp context.
  36  *
  37  * Initialize MARK database for GFID & LFID tables
  38  * GFID: Global flow id which is based on EEM hash id.
  39  * LFID: Local flow id which is the CFA action pointer.
  40  * GFID is used for EEM flows, LFID is used for EM flows.
  41  *
  42  * Flow mapper modules adds mark_id in the MARK database.
  43  *
  44  * BNXT PMD receive handler extracts the hardware flow id from the
  45  * received completion record. Fetches mark_id from the MARK
  46  * database using the flow id. Injects mark_id into the packet's mbuf.
  47  *
  48  * ctxt [in] The ulp context for the mark manager.
  49  */
  50 int32_t
  51 ulp_mark_db_init(struct bnxt_ulp_context *ctxt);
  52
  53 /*
  54  * Release all resources in the Mark Manager for this ulp context
  55  *
  56  * ctxt [in] The ulp context for the mark manager
  57  */
  58 int32_t
  59 ulp_mark_db_deinit(struct bnxt_ulp_context *ctxt);
  60
  61 /*
  62  * Get a Mark from the Mark Manager
  63  *
  64  * ctxt [in] The ulp context for the mark manager
  65  *
  66  * is_gfid [in] The type of fid (GFID or LFID)
  67  *
  68  * fid [in] The flow id that is returned by HW in BD
  69  *
  70  * mark [out] The mark that is associated with the FID
  71  *
  72  */
  73 int32_t
  74 ulp_mark_db_mark_get(struct bnxt_ulp_context *ctxt,
  75                      bool is_gfid,
  76                      uint32_t fid,
  77                      uint32_t *mark);
  78
  79 /*
  80  * Adds a Mark to the Mark Manager
  81  *
  82  * ctxt [in] The ulp context for the mark manager
  83  *
  84  * mark_flag [in] mark flags.
  85  *
  86  * fid [in] The flow id that is returned by HW in BD
  87  *
  88  * mark [in] The mark to be associated with the FID
  89  *
  90  */
  91 int32_t
  92 ulp_mark_db_mark_add(struct bnxt_ulp_context *ctxt,
  93                      uint32_t mark_flag,
  94                      uint32_t gfid,
  95                      uint32_t mark);
  96
  97 /*
  98  * Removes a Mark from the Mark Manager
  99  *
 100  * ctxt [in] The ulp context for the mark manager
 101  *
 102  * mark_flag [in] mark flags
 103  *
 104  * fid [in] The flow id that is returned by HW in BD
 105  *
 106  */
 107 int32_t
 108 ulp_mark_db_mark_del(struct bnxt_ulp_context *ctxt,
 109                      uint32_t mark_flag,
 110                      uint32_t gfid);
 111
 112 #endif /* _ULP_MARK_MGR_H_ */