OpenCloudOS-Kernel/drivers/thirdparty/bnxt/tfc_v3/tfc_init.c

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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright(c) 2023 Broadcom
* All rights reserved.
*/
#include <linux/types.h>
#include <linux/vmalloc.h>
#include "tfc.h"
#include "tfo.h"
#include "bnxt_compat.h"
#include "bnxt.h"
#include "bnxt_mpc.h"
#include "cfa_bld_mpcops.h"
#include "tfc_priv.h"
/* The tfc_open and tfc_close APIs may only be used for setting TFC software
* state. They are never used to modify the HW state. That is, they are not
* allowed to send HWRM messages.
*/
int tfc_open(struct tfc *tfcp)
{
struct bnxt *bp = tfcp->bp;
bool is_pf;
int rc;
/* Initialize the TF object */
if (tfcp->tfo) {
netdev_dbg(bp->dev, "%s: tfc_opened already.\n", __func__);
return -EINVAL;
}
rc = tfc_bp_is_pf(tfcp, &is_pf);
if (rc)
return rc;
tfo_open(&tfcp->tfo, is_pf);
return 0;
}
int tfc_close(struct tfc *tfcp)
{
struct bnxt *bp = tfcp->bp;
bool valid;
u16 sid;
u8 tsid;
int rc = 0;
/* Nullify the TF object */
if (tfcp->tfo) {
if (tfo_sid_get(tfcp->tfo, &sid) == 0) {
/* If no error, then there is a valid SID which means
* that the FID is still associated with the SID.
*/
netdev_dbg(bp->dev,
"%s: There is still a session associated with this object.\n",
__func__);
}
for (tsid = 0; tsid < TFC_TBL_SCOPE_MAX; tsid++) {
rc = tfo_ts_get(tfcp->tfo, tsid, NULL, NULL, &valid, NULL);
if (!rc && valid) {
netdev_dbg(bp->dev,
"%s: There is a tsid %d still associated\n",
__func__, tsid);
}
}
tfo_close(&tfcp->tfo);
}
return rc;
}