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qcacld-3.0: Add a sysfs replacement for getTdlsPeers

Browse source 
As part of WEXT replacement, replace getTdlsPeers with a sysfs file.

This feature can be controlled using configuration flag
CONFIG_WLAN_GET_TDLS_PEERS

file path: /sys/class/net/wlanxx/get_tdls_peers
	where wlanxx is adapter name

example command: cat /sys/class/net/wlanxx/get_tdls_peers

Change-Id: I66123266d6a3bf4c5c82f70186e35aa9942533b1
CRs-Fixed: 2681810
This commit is contained in:
Bapiraju Alla 2020-05-08 11:57:59 +05:30 • committed by nshrivas
commit 6b2b3ea7c8
5 changed files with 191 additions and 0 deletions
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4
Kbuild
View file

@ -309,6 +309,9 @@ endif
ifeq ($(CONFIG_WLAN_GET_RANGE_EXT), y)
HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_get_range_ext.o
endif
ifeq ($(CONFIG_WLAN_GET_TDLS_PEERS), y)
HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_get_tdls_peers.o
endif
endif
ifeq ($(CONFIG_QCACLD_FEATURE_FW_STATE), y)
@ -2578,6 +2581,7 @@ endif
#normally, TDLS negative behavior is not needed
cppflags-$(CONFIG_QCOM_TDLS) += -DFEATURE_WLAN_TDLS
cppflags-$(CONFIG_WLAN_GET_TDLS_PEERS) += -DWLAN_GET_TDLS_PEERS
cppflags-$(CONFIG_QCACLD_WLAN_LFR3) += -DWLAN_FEATURE_ROAM_OFFLOAD

3
configs/default_defconfig
View file

@ -189,6 +189,9 @@ ifeq ($(CONFIG_WLAN_SYSFS), y)
CONFIG_WLAN_TXRX_STATS := y
CONFIG_WLAN_SET_DP_TRACE := y
CONFIG_WLAN_GET_RANGE_EXT := y
ifeq ($(CONFIG_QCOM_TDLS), y)
CONFIG_WLAN_GET_TDLS_PEERS := y
endif
endif
CONFIG_WLAN_POWER_DEBUG := y

63
core/hdd/inc/wlan_hdd_sysfs_get_tdls_peers.h Normal file
View file

@ -0,0 +1,63 @@
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: wlan_hdd_sysfs_get_tdls_peers.h
*
* implementation for creating sysfs file get TDLS peers
*/
#ifndef _WLAN_HDD_SYSFS_GET_TDLS_PEERS_H
#define _WLAN_HDD_SYSFS_GET_TDLS_PEERS_H
#if defined(WLAN_SYSFS) && defined(WLAN_GET_TDLS_PEERS)
/**
* hdd_sysfs_get_tdls_peers_interface_create() - API to create get_tdls_peers
* sysfs interface
* @adapter: pointer to adapter
*
* this file is created per adapter.
* file path: /sys/class/net/wlanxx/get_tdls_peers
* where wlanxx is adapter name
*
* usage:
* cat /sys/class/net/wlanxx/get_tdls_peers
*
* Return: none
*/
void hdd_sysfs_get_tdls_peers_interface_create(struct hdd_adapter *adapter);
/**
* hdd_sysfs_get_tdls_peers_interface_destroy() - API to destroy get_tdls_peers
* sysfs interface
* @adapter: pointer to adapter
*
* Return: none
*/
void hdd_sysfs_get_tdls_peers_interface_destroy(struct hdd_adapter *adapter);
#else
static inline
void hdd_sysfs_get_tdls_peers_interface_create(struct hdd_adapter *adapter)
{
}
static inline
void hdd_sysfs_get_tdls_peers_interface_destroy(struct hdd_adapter *adapter)
{
}
#endif
#endif /* #ifndef _WLAN_HDD_SYSFS_GET_TDLS_PEERS_H */

3
core/hdd/src/wlan_hdd_sysfs.c
View file

@ -55,6 +55,7 @@
#include <wlan_hdd_sysfs_txrx_stats.h>
#include <wlan_hdd_sysfs_set_dp_trace.h>
#include <wlan_hdd_sysfs_get_range_ext.h>
#include <wlan_hdd_sysfs_get_tdls_peers.h>
#define MAX_PSOC_ID_SIZE 10
@ -637,11 +638,13 @@ hdd_sysfs_create_sta_adapter_root_obj(struct hdd_adapter *adapter)
hdd_sysfs_txrx_fw_stats_create(adapter);
hdd_sysfs_txrx_stats_create(adapter);
hdd_sysfs_get_range_ext_create(adapter);
hdd_sysfs_get_tdls_peers_interface_create(adapter);
}
static void
hdd_sysfs_destroy_sta_adapter_root_obj(struct hdd_adapter *adapter)
{
hdd_sysfs_get_tdls_peers_interface_destroy(adapter);
hdd_sysfs_get_range_ext_destroy(adapter);
hdd_sysfs_txrx_stats_destroy(adapter);
hdd_sysfs_txrx_fw_stats_destroy(adapter);

118
core/hdd/src/wlan_hdd_sysfs_get_tdls_peers.c Normal file
View file

@ -0,0 +1,118 @@
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: wlan_hdd_sysfs_get_tdls_peers.c
*
* implementation for creating sysfs file get_tdls_peers
*/
#include <wlan_hdd_includes.h>
#include "osif_vdev_sync.h"
#include "wlan_hdd_object_manager.h"
#include "wlan_hdd_sysfs_get_tdls_peers.h"
/**
* __show_tdls_all_peers() - dump all TDLS peer info into output string
* @net_dev: net device
* @buf: output string buffer to hold the peer info
*
* Return: The size (in bytes) of the valid peer info in the output buffer
*/
static int __show_tdls_all_peers(struct net_device *net_dev, char *buf)
{
struct hdd_adapter *adapter = netdev_priv(net_dev);
struct hdd_context *hdd_ctx;
struct wlan_objmgr_vdev *vdev;
int ret_val;
hdd_enter_dev(net_dev);
ret_val = scnprintf(buf, PAGE_SIZE, "%s getTdlsPeers:",
net_dev->name);
if (hdd_validate_adapter(adapter)) {
ret_val += scnprintf(buf + ret_val, PAGE_SIZE - ret_val,
"\nHDD adapter is not valid\n");
goto exit;
}
hdd_ctx = WLAN_HDD_GET_CTX(adapter);
if (0 != (wlan_hdd_validate_context(hdd_ctx))) {
ret_val += scnprintf(buf + ret_val, PAGE_SIZE - ret_val,
"\nHDD context is not valid\n");
goto exit;
}
if ((QDF_STA_MODE != adapter->device_mode) &&
(QDF_P2P_CLIENT_MODE != adapter->device_mode)) {
ret_val += scnprintf(buf + ret_val, PAGE_SIZE - ret_val,
"\nNo TDLS support for this adapter\n");
goto exit;
}
vdev = hdd_objmgr_get_vdev(adapter);
if (!vdev) {
ret_val += scnprintf(buf + ret_val, PAGE_SIZE - ret_val,
"\nVDEV is NULL\n");
goto exit;
}
ret_val += wlan_cfg80211_tdls_get_all_peers(vdev, buf + ret_val,
PAGE_SIZE - ret_val);
hdd_objmgr_put_vdev(vdev);
exit:
if ((PAGE_SIZE - ret_val) > 0)
ret_val += scnprintf(buf + ret_val, PAGE_SIZE - ret_val, "\n");
hdd_exit();
return ret_val;
}
static ssize_t show_tdls_all_peers(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct net_device *net_dev = container_of(dev, struct net_device, dev);
struct osif_vdev_sync *vdev_sync;
ssize_t err_size;
err_size = osif_vdev_sync_op_start(net_dev, &vdev_sync);
if (err_size)
return err_size;
err_size = __show_tdls_all_peers(net_dev, buf);
osif_vdev_sync_op_stop(vdev_sync);
return err_size;
}
static DEVICE_ATTR(get_tdls_peers, 0444, show_tdls_all_peers, NULL);
void hdd_sysfs_get_tdls_peers_interface_create(struct hdd_adapter *adapter)
{
int error;
error = device_create_file(&adapter->dev->dev,
&dev_attr_get_tdls_peers);
if (error)
hdd_err("could not create get_tdls_peers sysfs file");
}
void hdd_sysfs_get_tdls_peers_interface_destroy(struct hdd_adapter *adapter)
{
device_remove_file(&adapter->dev->dev, &dev_attr_get_tdls_peers);
}