numam-dpdk/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.c
Ajit Khaparde 2addc463ee net/bnxt: update copyright year
Update copyright year in various files.

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
2021-01-29 18:16:10 +01:00

325 lines
8.0 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2014-2021 Broadcom
* All rights reserved.
*/
#include <rte_common.h>
#include <rte_malloc.h>
#include <rte_log.h>
#include "bnxt.h"
#include "bnxt_ulp.h"
#include "tf_ext_flow_handle.h"
#include "ulp_mark_mgr.h"
#include "bnxt_tf_common.h"
#include "ulp_template_db_enum.h"
#include "ulp_template_struct.h"
#define ULP_MARK_DB_ENTRY_SET_VALID(mark_info) ((mark_info)->flags |=\
BNXT_ULP_MARK_VALID)
#define ULP_MARK_DB_ENTRY_IS_INVALID(mark_info) (!((mark_info)->flags &\
BNXT_ULP_MARK_VALID))
#define ULP_MARK_DB_ENTRY_SET_VFR_ID(mark_info) ((mark_info)->flags |=\
BNXT_ULP_MARK_VFR_ID)
#define ULP_MARK_DB_ENTRY_IS_VFR_ID(mark_info) ((mark_info)->flags &\
BNXT_ULP_MARK_VFR_ID)
#define ULP_MARK_DB_ENTRY_IS_GLOBAL_HW_FID(mark_info) ((mark_info)->flags &\
BNXT_ULP_MARK_GLOBAL_HW_FID)
static inline uint32_t
ulp_mark_db_idx_get(bool is_gfid, uint32_t fid, struct bnxt_ulp_mark_tbl *mtbl)
{
uint32_t idx = 0, hashtype = 0;
if (is_gfid) {
TF_GET_HASH_TYPE_FROM_GFID(fid, hashtype);
TF_GET_HASH_INDEX_FROM_GFID(fid, idx);
/* Need to truncate anything beyond supported flows */
idx &= mtbl->gfid_mask;
if (hashtype)
idx |= mtbl->gfid_type_bit;
} else {
idx = fid;
}
return idx;
}
/*
* Allocate and Initialize all Mark Manager resources for this ulp context.
*
* ctxt [in] The ulp context for the mark manager.
*
*/
int32_t
ulp_mark_db_init(struct bnxt_ulp_context *ctxt)
{
struct bnxt_ulp_device_params *dparms;
struct bnxt_ulp_mark_tbl *mark_tbl = NULL;
uint32_t dev_id;
if (!ctxt) {
BNXT_TF_DBG(DEBUG, "Invalid ULP CTXT\n");
return -EINVAL;
}
if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
return -EINVAL;
}
dparms = bnxt_ulp_device_params_get(dev_id);
if (!dparms) {
BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
return -EINVAL;
}
mark_tbl = rte_zmalloc("ulp_rx_mark_tbl_ptr",
sizeof(struct bnxt_ulp_mark_tbl), 0);
if (!mark_tbl)
goto mem_error;
/* Need to allocate 2 * Num flows to account for hash type bit.*/
mark_tbl->lfid_num_entries = dparms->mark_db_lfid_entries;
mark_tbl->lfid_tbl = rte_zmalloc("ulp_rx_em_flow_mark_table",
mark_tbl->lfid_num_entries *
sizeof(struct bnxt_lfid_mark_info),
0);
if (!mark_tbl->lfid_tbl)
goto mem_error;
/* Need to allocate 2 * Num flows to account for hash type bit */
mark_tbl->gfid_num_entries = dparms->mark_db_gfid_entries;
if (!mark_tbl->gfid_num_entries)
goto gfid_not_required;
mark_tbl->gfid_tbl = rte_zmalloc("ulp_rx_eem_flow_mark_table",
mark_tbl->gfid_num_entries *
sizeof(struct bnxt_gfid_mark_info),
0);
if (!mark_tbl->gfid_tbl)
goto mem_error;
/*
* These values are used to compress the FID to the allowable index
* space. The FID from hw may be the full hash which may be a big
* value to allocate and so allocate only needed hash values.
* gfid mask is the number of flow entries for the each left/right
* hash The gfid type bit is used to get to the higher or lower hash
* entries.
*/
mark_tbl->gfid_mask = (mark_tbl->gfid_num_entries / 2) - 1;
mark_tbl->gfid_type_bit = (mark_tbl->gfid_num_entries / 2);
BNXT_TF_DBG(DEBUG, "GFID Max = 0x%08x\nGFID MASK = 0x%08x\n",
mark_tbl->gfid_num_entries - 1,
mark_tbl->gfid_mask);
gfid_not_required:
/* Add the mark tbl to the ulp context. */
bnxt_ulp_cntxt_ptr2_mark_db_set(ctxt, mark_tbl);
return 0;
mem_error:
if (mark_tbl) {
rte_free(mark_tbl->gfid_tbl);
rte_free(mark_tbl->lfid_tbl);
rte_free(mark_tbl);
}
BNXT_TF_DBG(DEBUG, "Failed to allocate memory for mark mgr\n");
return -ENOMEM;
}
/*
* 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)
{
struct bnxt_ulp_mark_tbl *mtbl;
mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
if (mtbl) {
rte_free(mtbl->gfid_tbl);
rte_free(mtbl->lfid_tbl);
rte_free(mtbl);
/* Safe to ignore on deinit */
(void)bnxt_ulp_cntxt_ptr2_mark_db_set(ctxt, NULL);
}
return 0;
}
/*
* 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)
{
struct bnxt_ulp_mark_tbl *mtbl;
uint32_t idx = 0;
if (!ctxt || !mark)
return -EINVAL;
mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
if (!mtbl) {
BNXT_TF_DBG(ERR, "Unable to get Mark Table\n");
return -EINVAL;
}
idx = ulp_mark_db_idx_get(is_gfid, fid, mtbl);
if (is_gfid) {
if (idx >= mtbl->gfid_num_entries ||
ULP_MARK_DB_ENTRY_IS_INVALID(&mtbl->gfid_tbl[idx]))
return -EINVAL;
*vfr_flag = ULP_MARK_DB_ENTRY_IS_VFR_ID(&mtbl->gfid_tbl[idx]);
*mark = mtbl->gfid_tbl[idx].mark_id;
} else {
if (idx >= mtbl->lfid_num_entries ||
ULP_MARK_DB_ENTRY_IS_INVALID(&mtbl->lfid_tbl[idx]))
return -EINVAL;
*vfr_flag = ULP_MARK_DB_ENTRY_IS_VFR_ID(&mtbl->lfid_tbl[idx]);
*mark = mtbl->lfid_tbl[idx].mark_id;
}
return 0;
}
/*
* 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 fid,
uint32_t mark)
{
struct bnxt_ulp_mark_tbl *mtbl;
uint32_t idx = 0;
bool is_gfid;
if (!ctxt) {
BNXT_TF_DBG(ERR, "Invalid ulp context\n");
return -EINVAL;
}
mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
if (!mtbl) {
BNXT_TF_DBG(ERR, "Unable to get Mark DB\n");
return -EINVAL;
}
is_gfid = (mark_flag & BNXT_ULP_MARK_GLOBAL_HW_FID);
if (is_gfid) {
idx = ulp_mark_db_idx_get(is_gfid, fid, mtbl);
if (idx >= mtbl->gfid_num_entries) {
BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
return -EINVAL;
}
BNXT_TF_DBG(DEBUG, "Set GFID[0x%0x] = 0x%0x\n", idx, mark);
mtbl->gfid_tbl[idx].mark_id = mark;
ULP_MARK_DB_ENTRY_SET_VALID(&mtbl->gfid_tbl[idx]);
} else {
/* For the LFID, the FID is used as the index */
if (fid >= mtbl->lfid_num_entries) {
BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
return -EINVAL;
}
BNXT_TF_DBG(DEBUG, "Set LFID[0x%0x] = 0x%0x\n", fid, mark);
mtbl->lfid_tbl[fid].mark_id = mark;
ULP_MARK_DB_ENTRY_SET_VALID(&mtbl->lfid_tbl[fid]);
if (mark_flag & BNXT_ULP_MARK_VFR_ID)
ULP_MARK_DB_ENTRY_SET_VFR_ID(&mtbl->lfid_tbl[fid]);
}
return 0;
}
/*
* 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 fid)
{
struct bnxt_ulp_mark_tbl *mtbl;
uint32_t idx = 0;
bool is_gfid;
if (!ctxt) {
BNXT_TF_DBG(ERR, "Invalid ulp context\n");
return -EINVAL;
}
mtbl = bnxt_ulp_cntxt_ptr2_mark_db_get(ctxt);
if (!mtbl) {
BNXT_TF_DBG(ERR, "Unable to get Mark DB\n");
return -EINVAL;
}
is_gfid = (mark_flag & BNXT_ULP_MARK_GLOBAL_HW_FID);
if (is_gfid) {
idx = ulp_mark_db_idx_get(is_gfid, fid, mtbl);
if (idx >= mtbl->gfid_num_entries) {
BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
return -EINVAL;
}
BNXT_TF_DBG(DEBUG, "Reset GFID[0x%0x]\n", idx);
memset(&mtbl->gfid_tbl[idx], 0,
sizeof(struct bnxt_gfid_mark_info));
} else {
/* For the LFID, the FID is used as the index */
if (fid >= mtbl->lfid_num_entries) {
BNXT_TF_DBG(ERR, "Mark index greater than allocated\n");
return -EINVAL;
}
memset(&mtbl->lfid_tbl[fid], 0,
sizeof(struct bnxt_lfid_mark_info));
}
return 0;
}