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qcacld-3.0: Add Random MAC addr Action Frame Tx

Browse source 
1. Report NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA to
cfg80211.
2. Indicate Random MAC addr frame to source adapter.

Change-Id: Ica66fb43636fc1609febd87b6e6398dac3af25f3
CRs-Fixed: 2322077
This commit is contained in:
Liangwei Dong 2018-09-20 02:25:44 -04:00 • committed by nshrivas
commit 3abfe8f832
4 changed files with 67 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

14
core/hdd/inc/wlan_hdd_main.h
View file

@ -2150,6 +2150,20 @@ struct hdd_adapter *hdd_get_adapter_by_vdev(struct hdd_context *hdd_ctx,
struct hdd_adapter *hdd_get_adapter_by_macaddr(struct hdd_context *hdd_ctx,
tSirMacAddr macAddr);
/*
* hdd_get_adapter_by_rand_macaddr() - find Random mac adapter
* @hdd_ctx: hdd context
* @mac_addr: random mac addr
*
* Find the Adapter based on random mac addr. Adapter's vdev
* have active random mac list.
*
* Return: adapter ptr or null
*/
struct hdd_adapter *
hdd_get_adapter_by_rand_macaddr(struct hdd_context *hdd_ctx,
tSirMacAddr mac_addr);
int hdd_vdev_create(struct hdd_adapter *adapter,
csr_roam_complete_cb callback, void *ctx);
int hdd_vdev_destroy(struct hdd_adapter *adapter);

25
core/hdd/src/wlan_hdd_cfg80211.c
View file

@ -11986,6 +11986,30 @@ static void wlan_hdd_cfg80211_scan_randomization_init(struct wiphy *wiphy)
#define WLAN_HDD_MAX_NUM_CSA_COUNTERS 2
#if defined(CFG80211_RAND_TA_FOR_PUBLIC_ACTION_FRAME) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0))
/**
* wlan_hdd_cfg80211_action_frame_randomization_init() - Randomize SA of MA
* frames
* @wiphy: Pointer to wiphy
*
* This function is used to indicate the support of source mac address
* randomization of management action frames
*
* Return: None
*/
static void
wlan_hdd_cfg80211_action_frame_randomization_init(struct wiphy *wiphy)
{
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA);
}
#else
static void
wlan_hdd_cfg80211_action_frame_randomization_init(struct wiphy *wiphy)
{
}
#endif
#if defined(WLAN_FEATURE_FILS_SK) && \
(defined(CFG80211_FILS_SK_OFFLOAD_SUPPORT) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)))
@ -12338,6 +12362,7 @@ int wlan_hdd_cfg80211_init(struct device *dev,
wiphy->max_num_csa_counters = WLAN_HDD_MAX_NUM_CSA_COUNTERS;
if (pCfg->enable_mac_spoofing)
wlan_hdd_cfg80211_scan_randomization_init(wiphy);
wlan_hdd_cfg80211_action_frame_randomization_init(wiphy);
hdd_exit();
return 0;

19
core/hdd/src/wlan_hdd_main.c
View file

@ -155,6 +155,8 @@
#include "wlan_ocb_ucfg_api.h"
#include <wlan_hdd_spectralscan.h>
#include "wlan_green_ap_ucfg_api.h"
#include <wlan_p2p_ucfg_api.h>
#ifdef MODULE
#define WLAN_MODULE_NAME module_name(THIS_MODULE)
#else
@ -6294,6 +6296,23 @@ QDF_STATUS hdd_add_adapter_front(struct hdd_context *hdd_ctx,
return status;
}
struct hdd_adapter *hdd_get_adapter_by_rand_macaddr(
struct hdd_context *hdd_ctx, tSirMacAddr mac_addr)
{
struct hdd_adapter *adapter;
hdd_for_each_adapter(hdd_ctx, adapter) {
if ((adapter->device_mode == QDF_STA_MODE ||
adapter->device_mode == QDF_P2P_CLIENT_MODE ||
adapter->device_mode == QDF_P2P_DEVICE_MODE) &&
ucfg_p2p_check_random_mac(hdd_ctx->psoc,
adapter->session_id, mac_addr))
return adapter;
}
return NULL;
}
struct hdd_adapter *hdd_get_adapter_by_macaddr(struct hdd_context *hdd_ctx,
tSirMacAddr macAddr)
{

19
core/hdd/src/wlan_hdd_p2p.c
View file

@ -902,6 +902,7 @@ void __hdd_indicate_mgmt_frame(struct hdd_adapter *adapter,
uint8_t type = 0;
uint8_t subType = 0;
struct hdd_context *hdd_ctx;
uint8_t *dest_addr;
hdd_debug("Frame Type = %d Frame Length = %d",
frameType, frm_len);
@ -930,10 +931,11 @@ void __hdd_indicate_mgmt_frame(struct hdd_adapter *adapter,
(subType != SIR_MAC_MGMT_PROBE_REQ) &&
!qdf_is_macaddr_broadcast(
(struct qdf_mac_addr *)&pb_frames[WLAN_HDD_80211_FRM_DA_OFFSET])) {
adapter =
hdd_get_adapter_by_macaddr(hdd_ctx,
&pb_frames
[WLAN_HDD_80211_FRM_DA_OFFSET]);
dest_addr = &pb_frames[WLAN_HDD_80211_FRM_DA_OFFSET];
adapter = hdd_get_adapter_by_macaddr(hdd_ctx, dest_addr);
if (!adapter)
adapter = hdd_get_adapter_by_rand_macaddr(hdd_ctx,
dest_addr);
if (NULL == adapter) {
/*
* Under assumtion that we don't receive any action
@ -941,19 +943,16 @@ void __hdd_indicate_mgmt_frame(struct hdd_adapter *adapter,
* we are dropping action frame
*/
hdd_err("adapter for action frame is NULL Macaddr = "
MAC_ADDRESS_STR,
MAC_ADDR_ARRAY(&pb_frames
[WLAN_HDD_80211_FRM_DA_OFFSET]));
MAC_ADDRESS_STR, MAC_ADDR_ARRAY(dest_addr));
hdd_debug("Frame Type = %d Frame Length = %d subType = %d",
frameType, frm_len, subType);
frameType, frm_len, subType);
/*
* We will receive broadcast management frames
* in OCB mode
*/
adapter = hdd_get_adapter(hdd_ctx, QDF_OCB_MODE);
if (NULL == adapter || !qdf_is_macaddr_broadcast(
(struct qdf_mac_addr *)&pb_frames
[WLAN_HDD_80211_FRM_DA_OFFSET])) {
(struct qdf_mac_addr *)dest_addr)) {
/*
* Under assumtion that we don't
* receive any action frame with BCST