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qcacld-3.0: Add the DFS MCC check in ACS algorithm

Browse source 
During channel selection for SAP via ACS, add check if there is
a connection on 5Ghz, don't allow SAP to select DFS channel.

Change-Id: If6e42cbc584ddb80588daf138d94d2e0a75b882a
CRs-Fixed: 2102024
This commit is contained in:
Tushnim Bhattacharyya 2017-08-30 17:35:33 -07:00 • committed by snandini
commit 518e80fc94
3 changed files with 29 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

11
core/sap/src/sap_ch_select.c
View file

@ -509,6 +509,13 @@ uint8_t sap_select_preferred_channel_from_channel_list(uint8_t best_chnl,
tSapChSelSpectInfo *spectinfo_param)
{
uint8_t i = 0;
tpAniSirGlobal mac_ctx = sme_get_mac_context();
if (NULL == mac_ctx) {
QDF_TRACE(QDF_MODULE_ID_SAP, QDF_TRACE_LEVEL_ERROR,
"pmac Global Context is NULL");
return SAP_CHANNEL_NOT_SELECTED;
}
/*
* If Channel List is not Configured don't do anything
@ -524,7 +531,9 @@ uint8_t sap_select_preferred_channel_from_channel_list(uint8_t best_chnl,
/* Select the best channel from allowed list */
for (i = 0; i < sap_ctx->acs_cfg->ch_list_count; i++) {
if (sap_ctx->acs_cfg->ch_list[i] == best_chnl) {
if ((sap_ctx->acs_cfg->ch_list[i] == best_chnl) &&
!(wlan_reg_is_dfs_ch(mac_ctx->pdev, best_chnl) &&
policy_mgr_disallow_mcc(mac_ctx->psoc, best_chnl))) {
QDF_TRACE(QDF_MODULE_ID_SAP,
QDF_TRACE_LEVEL_INFO_HIGH,
"Best channel is: %d",

18
core/sme/inc/sme_api.h
View file

@ -1662,6 +1662,15 @@ QDF_STATUS sme_get_peer_info_ext(tHalHandle hal,
void (*callbackfn)(struct sir_peer_info_ext_resp *param,
void *pcontext));
/**
* sme_set_5g_band_pref() - sme api to set 5Ghz preference
* @hal: hal handle for getting global mac struct
* @pref_params: preference info request struct
*
* This function will set 5Ghz preference for STA connection
*
* Return: None
*/
void sme_set_5g_band_pref(tHalHandle hal_handle,
struct sme_5g_band_pref_params *pref_params);
@ -1695,4 +1704,13 @@ QDF_STATUS sme_get_chain_rssi(tHalHandle hal,
* Return: QDF_STATUS_SUCCESS or non-zero on failure
*/
QDF_STATUS sme_get_valid_channels(uint8_t *chan_list, uint32_t *list_len);
/**
* sme_get_mac_context() - sme api to get the pmac context
*
* This function will return the pmac context
*
* Return: pointer to pmac context
*/
tpAniSirGlobal sme_get_mac_context(void);
#endif /* #if !defined( __SME_API_H ) */

2
core/sme/src/common/sme_api.c
View file

@ -120,7 +120,7 @@ QDF_STATUS sme_release_global_lock(tSmeStruct *psSme)
return status;
}
static tpAniSirGlobal sme_get_mac_context(void)
tpAniSirGlobal sme_get_mac_context(void)
{
tpAniSirGlobal mac_ctx;
tHalHandle h_hal;