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qcacmn: Set WMI_PMK_CACHE_OP_FLAG_FLUSH_ALL only for pmksa_flush

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The supplicant sends del_pmksa command to delete the pmk,pmkid
for a particular bssid. In this command pmk_len will be 0.
In send_set_del_pmkid_cache_cmd_tlv() the host driver currently
checks the pmk_len to set WMI_PMK_CACHE_OP_FLAG_FLUSH_ALL.
If pmk_len is 0 WMI_PMK_CACHE_OP_FLAG_FLUSH_ALL is set, which
is not correct. pmk_len will be zero in both the flush and delete
cases.

So add a new flag is_flush_all which will be set to true when the
supplicant sends pmksa flush command.
At WMI based on this flag set the flush flag to the wmi cmd.

Change-Id: I7626c500721a4b8cccbb21a08d4235c041456d1b
CRs-Fixed: 2502478
This commit is contained in:
Pragaspathi Thilagaraj
2019-08-04 23:59:48 +05:30
committed by nshrivas
parent 43168e82c6
commit 63eb9e48dd
2 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
wmi/inc/wmi_unified_sta_param.h
View File

@@ -204,6 +204,8 @@ struct sar_limit_event {
* @cache_id: PMK Cache ID
* @cat_flag: whether (bssid) or (ssid,cache_id) is valid
* @action_flag: add/delete the entry
* @is_flush_all: FLAG to indicate PMKSA flush. True if PMKSA cache flush is
* needed.
*/
struct wmi_unified_pmk_cache {
uint8_t vdev_id;
@@ -216,6 +218,7 @@ struct wmi_unified_pmk_cache {
uint32_t cache_id;
uint32_t cat_flag;
uint32_t action_flag;
bool is_flush_all;
};
#define WMI_QOS_NUM_AC_MAX 4

7
wmi/src/wmi_unified_sta_tlv.c
View File

@@ -1581,7 +1581,8 @@ static QDF_STATUS send_set_del_pmkid_cache_cmd_tlv(wmi_unified_t wmi_handle,
wmi_pmk_cache *pmksa;
uint32_t len = sizeof(*cmd);
if (pmk_info->pmk_len)
if (pmk_info &&
!pmk_info->is_flush_all)
len += WMI_TLV_HDR_SIZE + sizeof(*pmksa);
buf = wmi_buf_alloc(wmi_handle, len);
@@ -1599,8 +1600,8 @@ static QDF_STATUS send_set_del_pmkid_cache_cmd_tlv(wmi_unified_t wmi_handle,
cmd->vdev_id = pmk_info->vdev_id;
/* If pmk_info->pmk_len is 0, this is a flush request */
if (!pmk_info->pmk_len) {
/* If pmk_info->is_flush_all is true, this is a flush request */
if (pmk_info->is_flush_all) {
cmd->op_flag = WMI_PMK_CACHE_OP_FLAG_FLUSH_ALL;
cmd->num_cache = 0;
goto send_cmd;