dce01374cd
Currently the cdp apis are given pdev/vdev/peer handle as its arguments, which is directly accessed in those APIs. This can cause a race-condition in access of the respective handles if it has been deleted in parallel. Hence as a part of cdp convergence, pass only the pdev/vdev id or peer mac address, which will be used to get the respective handles, and hence avoiding the unwanted access of the handles if it has been deleted. Converged flowctl_ops - flow_pool_map_handler - flow_pool_unmap_handler - dump_flow_pool_info - tx_desc_thresh_reached CRs-Fixed: 2539812 Change-Id: I084d3878df84778622340e87bddf90acd3e669d6
133 sor
3.4 KiB
C
133 sor
3.4 KiB
C
/*
|
|
* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for
|
|
* any purpose with or without fee is hereby granted, provided that the
|
|
* above copyright notice and this permission notice appear in all
|
|
* copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
|
|
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
|
|
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
|
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/**
|
|
* @file cdp_txrx_flow_ctrl_v2.h
|
|
* @brief Define the host data path flow control version 2 API
|
|
* functions
|
|
*/
|
|
#ifndef _CDP_TXRX_FC_V2_H_
|
|
#define _CDP_TXRX_FC_V2_H_
|
|
#include <cdp_txrx_ops.h>
|
|
|
|
/**
|
|
* cdp_register_pause_cb() - Register flow control callback function pointer
|
|
* @soc - data path soc handle
|
|
* @pause_cb - Pause callback intend to register
|
|
*
|
|
* Register flow control callback function pointer and client context pointer
|
|
*
|
|
* return QDF_STATUS_SUCCESS success
|
|
*/
|
|
static inline QDF_STATUS
|
|
cdp_register_pause_cb(ol_txrx_soc_handle soc,
|
|
tx_pause_callback pause_cb)
|
|
{
|
|
if (!soc || !soc->ops) {
|
|
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
|
|
"%s invalid instance", __func__);
|
|
QDF_BUG(0);
|
|
return QDF_STATUS_E_INVAL;
|
|
}
|
|
|
|
if (!soc->ops->flowctl_ops ||
|
|
!soc->ops->flowctl_ops->register_pause_cb)
|
|
return QDF_STATUS_SUCCESS;
|
|
|
|
return soc->ops->flowctl_ops->register_pause_cb(soc, pause_cb);
|
|
|
|
}
|
|
|
|
/**
|
|
* cdp_set_desc_global_pool_size() - set global device pool size
|
|
* @soc - data path soc handle
|
|
* @num_msdu_desc - descriptor pool size
|
|
*
|
|
* set global device pool size
|
|
*
|
|
* return none
|
|
*/
|
|
static inline void
|
|
cdp_set_desc_global_pool_size(ol_txrx_soc_handle soc,
|
|
uint32_t num_msdu_desc)
|
|
{
|
|
if (!soc || !soc->ops) {
|
|
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
|
|
"%s invalid instance", __func__);
|
|
QDF_BUG(0);
|
|
return;
|
|
}
|
|
|
|
if (!soc->ops->flowctl_ops ||
|
|
!soc->ops->flowctl_ops->set_desc_global_pool_size)
|
|
return;
|
|
|
|
soc->ops->flowctl_ops->set_desc_global_pool_size(
|
|
num_msdu_desc);
|
|
}
|
|
|
|
/**
|
|
* cdp_dump_flow_pool_info() - dump flow pool information
|
|
* @soc - data path soc handle
|
|
*
|
|
* dump flow pool information
|
|
*
|
|
* return none
|
|
*/
|
|
static inline void
|
|
cdp_dump_flow_pool_info(struct cdp_soc_t *soc)
|
|
{
|
|
if (!soc || !soc->ops) {
|
|
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
|
|
"%s invalid instance", __func__);
|
|
QDF_BUG(0);
|
|
return;
|
|
}
|
|
|
|
if (!soc->ops->flowctl_ops ||
|
|
!soc->ops->flowctl_ops->dump_flow_pool_info)
|
|
return;
|
|
|
|
soc->ops->flowctl_ops->dump_flow_pool_info(soc);
|
|
}
|
|
|
|
/**
|
|
* cdp_tx_desc_thresh_reached() - Check if avail tx desc meet threshold
|
|
* @soc: data path soc handle
|
|
* @vdev_id: vdev_id corresponding to vdev start
|
|
*
|
|
* Return: true if threshold is met, false if not
|
|
*/
|
|
static inline bool
|
|
cdp_tx_desc_thresh_reached(struct cdp_soc_t *soc, uint8_t vdev_id)
|
|
{
|
|
if (!soc || !soc->ops) {
|
|
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
|
|
"%s invalid instance", __func__);
|
|
QDF_BUG(0);
|
|
return false;
|
|
}
|
|
|
|
if (!soc->ops->flowctl_ops ||
|
|
!soc->ops->flowctl_ops->tx_desc_thresh_reached)
|
|
return false;
|
|
|
|
return soc->ops->flowctl_ops->tx_desc_thresh_reached(soc, vdev_id);
|
|
}
|
|
#endif /* _CDP_TXRX_FC_V2_H_ */
|