samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacmn: Reserve a TX bank for FW usage

Browse Source 
FW has some usecases when it needs to enqueue frames into hardware. In
BE WLAN chips, some hardware TX desc fields are moved into Tx
banks, hence a TX bank is also needed to queue to HW.

Dedicate a bank for FW usage.

Change-Id: I1f19f0ef85aff4c7592b0f07de4631259da743a6
CRs-Fixed: 3016828
This commit is contained in:
Mohit Khanna
2021-08-18 02:08:38 -07:00
committed by Madan Koyyalamudi
parent fa7d919cbc
commit af4c03b546
2 changed files with 15 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
hal/wifi3.0/be/hal_be_tx.h
View File

@@ -22,6 +22,10 @@
#include "hal_be_hw_headers.h"
#include "hal_tx.h"
/* Number of TX banks reserved i.e, will not be used by host driver. */
/* MAX_TCL_BANK reserved for FW use */
#define HAL_TX_NUM_RESERVED_BANKS 1
enum hal_be_tx_ret_buf_manager {
HAL_BE_WBM_SW0_BM_ID = 5,
HAL_BE_WBM_SW1_BM_ID = 6,
@@ -416,11 +420,15 @@ static inline uint8_t
hal_tx_get_num_tcl_banks(hal_soc_handle_t hal_soc_hdl)
{
struct hal_soc *hal_soc = (struct hal_soc *)hal_soc_hdl;
int hal_banks = 0;
if (hal_soc->ops->hal_tx_get_num_tcl_banks)
return hal_soc->ops->hal_tx_get_num_tcl_banks();
if (hal_soc->ops->hal_tx_get_num_tcl_banks) {
hal_banks = hal_soc->ops->hal_tx_get_num_tcl_banks();
hal_banks -= HAL_TX_NUM_RESERVED_BANKS;
hal_banks = (hal_banks < 0) ? 0 : hal_banks;
}
return 0;
return hal_banks;
}
/**