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qcacld-3.0: Allocate global_mac_context dynamically

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Allocate global_mac_context dynamically to reduce build size.

Change-Id: I67e9f20f55d2289d9b97756adaea0666f64d6afc
CRs-Fixed: 2290537
This commit is contained in:
Qiwei Cai 2018-08-07 16:03:10 +08:00 • committed by nshrivas
commit c778c0853c
1 changed files with 41 additions and 2 deletions
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43
core/mac/src/sys/legacy/src/system/src/mac_init_api.c
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@ -39,8 +39,34 @@
#include "mac_trace.h"
#endif
#ifdef WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY
static tAniSirGlobal *global_mac_context;
static inline tpAniSirGlobal mac_allocate_context_buffer(void)
{
global_mac_context = qdf_mem_malloc(sizeof(tAniSirGlobal));
return global_mac_context;
}
static inline void mac_free_context_buffer(void)
{
qdf_mem_free(global_mac_context);
global_mac_context = NULL;
}
#else /* WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY */
static tAniSirGlobal global_mac_context;
static inline tpAniSirGlobal mac_allocate_context_buffer(void)
{
return &global_mac_context;
}
static inline void mac_free_context_buffer(void)
{
}
#endif /* WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY */
QDF_STATUS mac_start(mac_handle_t mac_handle,
struct mac_start_params *params)
{
@ -84,12 +110,20 @@ QDF_STATUS mac_stop(mac_handle_t mac_handle)
QDF_STATUS mac_open(struct wlan_objmgr_psoc *psoc, tHalHandle *pHalHandle,
hdd_handle_t hdd_handle, struct cds_config_info *cds_cfg)
{
tpAniSirGlobal p_mac = &global_mac_context;
tpAniSirGlobal p_mac;
QDF_STATUS status;
if (pHalHandle == NULL)
return QDF_STATUS_E_FAILURE;
p_mac = mac_allocate_context_buffer();
if (!p_mac) {
pe_err("%s: Failed to allocate %zu bytes for global_mac_context",
__func__, sizeof(tAniSirGlobal));
return QDF_STATUS_E_NOMEM;
}
/*
* Set various global fields of p_mac here
* (Could be platform dependent as some variables in p_mac are platform
@ -100,6 +134,7 @@ QDF_STATUS mac_open(struct wlan_objmgr_psoc *psoc, tHalHandle *pHalHandle,
status = wlan_objmgr_psoc_try_get_ref(psoc, WLAN_LEGACY_MAC_ID);
if (QDF_IS_STATUS_ERROR(status)) {
pe_err("PSOC get ref failure");
mac_free_context_buffer();
return QDF_STATUS_E_FAILURE;
}
@ -114,8 +149,10 @@ QDF_STATUS mac_open(struct wlan_objmgr_psoc *psoc, tHalHandle *pHalHandle,
p_mac->gDriverType = QDF_DRIVER_TYPE_MFG;
/* Call routine to initialize CFG data structures */
if (QDF_STATUS_SUCCESS != cfg_init(p_mac))
if (QDF_STATUS_SUCCESS != cfg_init(p_mac)) {
mac_free_context_buffer();
return QDF_STATUS_E_FAILURE;
}
sys_init_globals(p_mac);
}
@ -129,6 +166,7 @@ QDF_STATUS mac_open(struct wlan_objmgr_psoc *psoc, tHalHandle *pHalHandle,
status = pe_open(p_mac, cds_cfg);
if (QDF_STATUS_SUCCESS != status) {
pe_err("pe_open() failure");
mac_free_context_buffer();
cfg_de_init(p_mac);
}
@ -162,6 +200,7 @@ QDF_STATUS mac_close(tHalHandle hHal)
}
wlan_objmgr_psoc_release_ref(pMac->psoc, WLAN_LEGACY_MAC_ID);
pMac->psoc = NULL;
mac_free_context_buffer();
return QDF_STATUS_SUCCESS;
}