qcacld-3.0: Add vendor attribute to configure ARP/NS offload

In some scenario, it is required to receive every ARP/NS packet even
it is not to solicit address itself. So add this vendor attribute
configuration to enable/disable ARP/NS offload on fly.

On some platform, if target suspend to WoW mode, APF filter will drop
such ARP/NS packet in the front, so prevent runtime suspend happen
if disable ARP/NS offload. System suspend still allow in consideration
of potential power impact.

It only support on STA/P2P-Client mode device, and this configure is
optional, while default behavior is ARP/NS offload enable. It will
restore to default behavior if interface being closed.

Change-Id: Icd49e230024bc1ce51519cd9fafee9bc9f79f382
CRs-Fixed: 3058494
This commit is contained in:
Will Huang
2021-10-26 11:09:51 +08:00
committed by Madan Koyyalamudi
parent 1480887425
commit eb218a1c61
11 changed files with 374 additions and 10 deletions

1
Kbuild
View File

@@ -2901,6 +2901,7 @@ cppflags-$(CONFIG_FEATURE_WLAN_SCAN_PNO) += -DFEATURE_WLAN_SCAN_PNO
cppflags-$(CONFIG_WLAN_FEATURE_PACKET_FILTERING) += -DWLAN_FEATURE_PACKET_FILTERING
cppflags-$(CONFIG_DHCP_SERVER_OFFLOAD) += -DDHCP_SERVER_OFFLOAD
cppflags-$(CONFIG_WLAN_NS_OFFLOAD) += -DWLAN_NS_OFFLOAD
cppflags-$(CONFIG_WLAN_DYNAMIC_ARP_NS_OFFLOAD) += -DFEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
cppflags-$(CONFIG_WLAN_FEATURE_ICMP_OFFLOAD) += -DWLAN_FEATURE_ICMP_OFFLOAD
cppflags-$(CONFIG_FEATURE_WLAN_RA_FILTERING) += -DFEATURE_WLAN_RA_FILTERING
cppflags-$(CONFIG_FEATURE_WLAN_LPHB) += -DFEATURE_WLAN_LPHB

View File

@@ -112,6 +112,9 @@ struct wlan_pmo_ctx {
* @dyn_listen_interval: dynamically user configured listen interval
* @restore_dtim_setting: DTIM settings restore flag
* @pmo_vdev_lock: spin lock for pmo vdev priv ctx
* @dyn_arp_ns_offload_disable: true when arp/ns offload is disable
* @dyn_arp_ns_offload_rt_lock: wake lock which prevent runtime pm happen if
* arp/ns offload is disable
*/
struct pmo_vdev_priv_obj {
struct pmo_psoc_priv_obj *pmo_psoc_ctx;
@@ -136,6 +139,10 @@ struct pmo_vdev_priv_obj {
uint32_t dyn_listen_interval;
bool restore_dtim_setting;
qdf_spinlock_t pmo_vdev_lock;
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
bool dyn_arp_ns_offload_disable;
qdf_runtime_lock_t dyn_arp_ns_offload_rt_lock;
#endif
};
#endif /* WLAN_POWER_MANAGEMENT_OFFLOAD */

View File

@@ -179,6 +179,112 @@ bool pmo_core_vdev_get_restore_dtim(struct wlan_objmgr_vdev *vdev)
return value;
}
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
/**
* pmo_core_dynamic_arp_ns_offload_enable() - Enable vdev arp/ns offload
* @vdev: objmgr vdev handle
*
* Return: QDF_STATUS_E_ALREADY if arp/ns offload already enable
*/
static inline QDF_STATUS
pmo_core_dynamic_arp_ns_offload_enable(struct wlan_objmgr_vdev *vdev)
{
bool value;
QDF_STATUS status = QDF_STATUS_SUCCESS;
struct pmo_vdev_priv_obj *vdev_ctx;
vdev_ctx = pmo_vdev_get_priv(vdev);
qdf_spin_lock_bh(&vdev_ctx->pmo_vdev_lock);
value = vdev_ctx->dyn_arp_ns_offload_disable;
if (!value)
status = QDF_STATUS_E_ALREADY;
else
vdev_ctx->dyn_arp_ns_offload_disable = false;
qdf_spin_unlock_bh(&vdev_ctx->pmo_vdev_lock);
return status;
}
/**
* pmo_core_dynamic_arp_ns_offload_disable() - Disable vdev arp/ns offload
* @vdev: objmgr vdev handle
*
* Return: QDF_STATUS_E_ALREADY if arp/ns offload already disable
*/
static inline QDF_STATUS
pmo_core_dynamic_arp_ns_offload_disable(struct wlan_objmgr_vdev *vdev)
{
bool value;
QDF_STATUS status = QDF_STATUS_SUCCESS;
struct pmo_vdev_priv_obj *vdev_ctx;
vdev_ctx = pmo_vdev_get_priv(vdev);
qdf_spin_lock_bh(&vdev_ctx->pmo_vdev_lock);
value = vdev_ctx->dyn_arp_ns_offload_disable;
if (value)
status = QDF_STATUS_E_ALREADY;
else
vdev_ctx->dyn_arp_ns_offload_disable = true;
qdf_spin_unlock_bh(&vdev_ctx->pmo_vdev_lock);
return status;
}
/**
* pmo_core_get_dynamic_arp_ns_offload_disable() - Get arp/ns offload state
* @vdev: objmgr vdev handle
*
* Return: true if vdev arp/ns offload is disable
*/
static inline bool
pmo_core_get_dynamic_arp_ns_offload_disable(struct wlan_objmgr_vdev *vdev)
{
bool value;
struct pmo_vdev_priv_obj *vdev_ctx;
vdev_ctx = pmo_vdev_get_priv(vdev);
qdf_spin_lock_bh(&vdev_ctx->pmo_vdev_lock);
value = vdev_ctx->dyn_arp_ns_offload_disable;
qdf_spin_unlock_bh(&vdev_ctx->pmo_vdev_lock);
return value;
}
/**
* pmo_core_dynamic_arp_ns_offload_runtime_prevent() - Prevent runtime suspend
* @vdev: objmgr vdev handle
*
* API to prevent runtime suspend happen when arp/ns offload is disable
*
* Return: None
*/
static inline void
pmo_core_dynamic_arp_ns_offload_runtime_prevent(struct wlan_objmgr_vdev *vdev)
{
struct pmo_vdev_priv_obj *vdev_ctx;
vdev_ctx = pmo_vdev_get_priv(vdev);
qdf_runtime_pm_prevent_suspend(&vdev_ctx->dyn_arp_ns_offload_rt_lock);
}
/**
* pmo_core_dynamic_arp_ns_offload_runtime_allow() - Allow runtime suspend
* @vdev: objmgr vdev handle
*
* API to allow runtime suspend happen when arp/ns offload is enable
*
* Return: None
*/
static inline void
pmo_core_dynamic_arp_ns_offload_runtime_allow(struct wlan_objmgr_vdev *vdev)
{
struct pmo_vdev_priv_obj *vdev_ctx;
vdev_ctx = pmo_vdev_get_priv(vdev);
qdf_runtime_pm_allow_suspend(&vdev_ctx->dyn_arp_ns_offload_rt_lock);
}
#endif
/**
* pmo_core_update_power_save_mode() - update power save mode
* @vdev: objmgr vdev handle

View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2017-2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2017-2021 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
@@ -128,6 +128,7 @@ pmo_core_do_enable_arp_offload(struct wlan_objmgr_vdev *vdev,
status = pmo_tgt_enable_arp_offload_req(vdev, vdev_id);
break;
case pmo_apps_suspend:
case pmo_arp_ns_offload_dynamic_update:
/* enable arp when active offload is false (apps suspend) */
status = pmo_tgt_enable_arp_offload_req(vdev, vdev_id);
break;
@@ -161,6 +162,7 @@ static QDF_STATUS pmo_core_do_disable_arp_offload(struct wlan_objmgr_vdev *vdev,
switch (trigger) {
case pmo_apps_resume:
case pmo_arp_ns_offload_dynamic_update:
/* disable arp on apps resume when active offload is disable */
status = pmo_tgt_disable_arp_offload_req(vdev, vdev_id);
break;

View File

@@ -169,6 +169,7 @@ static QDF_STATUS pmo_core_do_enable_ns_offload(struct wlan_objmgr_vdev *vdev,
status = pmo_tgt_enable_ns_offload_req(vdev, vdev_id);
break;
case pmo_apps_suspend:
case pmo_arp_ns_offload_dynamic_update:
/* enable arp when active offload is false (apps suspend) */
status = pmo_tgt_enable_ns_offload_req(vdev, vdev_id);
break;
@@ -204,6 +205,7 @@ static QDF_STATUS pmo_core_do_disable_ns_offload(struct wlan_objmgr_vdev *vdev,
status = pmo_tgt_disable_ns_offload_req(vdev, vdev_id);
break;
case pmo_apps_resume:
case pmo_arp_ns_offload_dynamic_update:
status = pmo_tgt_disable_ns_offload_req(vdev, vdev_id);
break;
default:

View File

@@ -220,6 +220,7 @@ typedef QDF_STATUS(*pmo_psoc_resume_handler)
* @pmo_ns_offload_dynamic_update: enable/disable ns offload on the fly
* @pmo_peer_disconnect: trigger is peer disconnect
* @pmo_mcbc_setting_dynamic_update: mcbc value update on the fly
* @pmo_arp_ns_offload_dynamic_update: enable/disable arp/ns offload on the fly
*
* @pmo_offload_trigger_max: Max trigger value
*/
@@ -234,6 +235,7 @@ enum pmo_offload_trigger {
pmo_ns_offload_dynamic_update,
pmo_peer_disconnect,
pmo_mcbc_setting_dynamic_update,
pmo_arp_ns_offload_dynamic_update,
pmo_offload_trigger_max,
};

View File

@@ -545,6 +545,79 @@ ucfg_pmo_enhanced_mc_filter_disable(struct wlan_objmgr_vdev *vdev)
return pmo_core_enhanced_mc_filter_disable(vdev);
}
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
/**
* ucfg_pmo_dynamic_arp_ns_offload_enable() - enable arp/ns offload
* @vdev: vdev objmgr handle
*
* Return: QDF_STATUS
*/
QDF_STATUS
ucfg_pmo_dynamic_arp_ns_offload_enable(struct wlan_objmgr_vdev *vdev);
/**
* ucfg_pmo_dynamic_arp_ns_offload_disable() - disable arp/ns offload
* @vdev: vdev objmgr handle
*
* Return: QDF_STATUS
*/
QDF_STATUS
ucfg_pmo_dynamic_arp_ns_offload_disable(struct wlan_objmgr_vdev *vdev);
/**
* ucfg_pmo_get_arp_ns_offload_dynamic_disable() - get arp/ns offload state
* @vdev: vdev objmgr handle
*
* Return: QDF_STATUS
*/
bool
ucfg_pmo_get_arp_ns_offload_dynamic_disable(struct wlan_objmgr_vdev *vdev);
/**
* ucfg_pmo_dynamic_arp_ns_offload_runtime_prevent() - prevent runtime suspend
* @vdev: vdev objmgr handle
*
* Return: none
*/
void
ucfg_pmo_dynamic_arp_ns_offload_runtime_prevent(struct wlan_objmgr_vdev *vdev);
/**
* ucfg_pmo_dynamic_arp_ns_offload_runtime_allow() - allow runtime suspend
* @vdev: vdev objmgr handle
*
* Return: none
*/
void
ucfg_pmo_dynamic_arp_ns_offload_runtime_allow(struct wlan_objmgr_vdev *vdev);
#else
static inline QDF_STATUS
ucfg_pmo_dynamic_arp_ns_offload_enable(struct wlan_objmgr_vdev *vdev)
{
return QDF_STATUS_SUCCESS;
}
static inline QDF_STATUS
ucfg_pmo_dynamic_arp_ns_offload_disable(struct wlan_objmgr_vdev *vdev)
{
return QDF_STATUS_SUCCESS;
}
static inline bool
ucfg_pmo_get_arp_ns_offload_dynamic_disable(struct wlan_objmgr_vdev *vdev)
{
return false;
}
static inline void
ucfg_pmo_dynamic_arp_ns_offload_runtime_prevent(struct wlan_objmgr_vdev *vdev)
{
}
static inline void
ucfg_pmo_dynamic_arp_ns_offload_runtime_allow(struct wlan_objmgr_vdev *vdev) {}
#endif
/**
* ucfg_pmo_enable_mc_addr_filtering_in_fwr(): Enable cached mc add list in fwr
* @psoc: objmgr psoc handle

View File

@@ -227,6 +227,26 @@ out:
return status;
}
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
static inline void
pmo_vdev_dynamic_arp_ns_offload_init(struct pmo_vdev_priv_obj *vdev_ctx)
{
qdf_runtime_lock_init(&vdev_ctx->dyn_arp_ns_offload_rt_lock);
}
static inline void
pmo_vdev_dynamic_arp_ns_offload_deinit(struct pmo_vdev_priv_obj *vdev_ctx)
{
qdf_runtime_lock_deinit(&vdev_ctx->dyn_arp_ns_offload_rt_lock);
}
#else
static inline void
pmo_vdev_dynamic_arp_ns_offload_init(struct pmo_vdev_priv_obj *vdev_ctx) {}
static inline void
pmo_vdev_dynamic_arp_ns_offload_deinit(struct pmo_vdev_priv_obj *vdev_ctx) {}
#endif
QDF_STATUS pmo_vdev_object_created_notification(
struct wlan_objmgr_vdev *vdev, void *arg)
{
@@ -263,6 +283,7 @@ QDF_STATUS pmo_vdev_object_created_notification(
psoc_ctx->psoc_cfg.ptrn_match_enable_all_vdev;
vdev_ctx->pmo_psoc_ctx = psoc_ctx;
qdf_atomic_init(&vdev_ctx->gtk_err_enable);
pmo_vdev_dynamic_arp_ns_offload_init(vdev_ctx);
out:
pmo_exit();
@@ -308,6 +329,7 @@ QDF_STATUS pmo_vdev_object_destroyed_notification(
pmo_err("Failed to detach vdev_ctx with vdev");
qdf_spinlock_destroy(&vdev_ctx->pmo_vdev_lock);
pmo_vdev_dynamic_arp_ns_offload_deinit(vdev_ctx);
qdf_mem_free(vdev_ctx);
return status;

View File

@@ -196,6 +196,38 @@ ucfg_pmo_disable_ns_offload_in_fwr(struct wlan_objmgr_vdev *vdev,
}
#endif /* WLAN_NS_OFFLOAD */
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
QDF_STATUS
ucfg_pmo_dynamic_arp_ns_offload_enable(struct wlan_objmgr_vdev *vdev)
{
return pmo_core_dynamic_arp_ns_offload_enable(vdev);
}
QDF_STATUS
ucfg_pmo_dynamic_arp_ns_offload_disable(struct wlan_objmgr_vdev *vdev)
{
return pmo_core_dynamic_arp_ns_offload_disable(vdev);
}
bool
ucfg_pmo_get_arp_ns_offload_dynamic_disable(struct wlan_objmgr_vdev *vdev)
{
return pmo_core_get_dynamic_arp_ns_offload_disable(vdev);
}
void
ucfg_pmo_dynamic_arp_ns_offload_runtime_prevent(struct wlan_objmgr_vdev *vdev)
{
return pmo_core_dynamic_arp_ns_offload_runtime_prevent(vdev);
}
void
ucfg_pmo_dynamic_arp_ns_offload_runtime_allow(struct wlan_objmgr_vdev *vdev)
{
return pmo_core_dynamic_arp_ns_offload_runtime_allow(vdev);
}
#endif
QDF_STATUS
ucfg_pmo_get_ns_offload_params(struct wlan_objmgr_vdev *vdev,
struct pmo_ns_offload_params *params)

View File

@@ -7036,6 +7036,7 @@ const struct nla_policy wlan_hdd_wifi_config_policy[
[QCA_WLAN_VENDOR_ATTR_CONFIG_CONCURRENT_STA_PRIMARY] = {
.type = NLA_U8 },
[QCA_WLAN_VENDOR_ATTR_CONFIG_FT_OVER_DS] = {.type = NLA_U8 },
[QCA_WLAN_VENDOR_ATTR_CONFIG_ARP_NS_OFFLOAD] = {.type = NLA_U8 },
};
static const struct nla_policy
@@ -8975,6 +8976,103 @@ static int hdd_set_nss(struct hdd_adapter *adapter,
return ret;
}
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
#define DYNAMIC_ARP_NS_ENABLE 1
#define DYNAMIC_ARP_NS_DISABLE 0
/**
* hdd_set_arp_ns_offload() - enable/disable arp/ns offload feature
* @adapter: hdd adapter
* @attr: pointer to nla attr
*
* Return: 0 on success, negative errno on failure
*/
static int hdd_set_arp_ns_offload(struct hdd_adapter *adapter,
const struct nlattr *attr)
{
uint8_t offload_state;
int errno;
QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE;
struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
struct wlan_objmgr_vdev *vdev;
errno = wlan_hdd_validate_context(hdd_ctx);
if (errno)
return errno;
if (!ucfg_pmo_is_arp_offload_enabled(hdd_ctx->psoc) ||
!ucfg_pmo_is_ns_offloaded(hdd_ctx->psoc)) {
hdd_err_rl("ARP/NS Offload is disabled by ini");
return -EINVAL;
}
if (!ucfg_pmo_is_active_mode_offloaded(hdd_ctx->psoc)) {
hdd_err_rl("active mode offload is disabled by ini");
return -EINVAL;
}
if (adapter->device_mode != QDF_STA_MODE &&
adapter->device_mode != QDF_P2P_CLIENT_MODE) {
hdd_err_rl("only support on sta/p2p-cli mode");
return -EINVAL;
}
vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_OSIF_ID);
if (!vdev) {
hdd_err("vdev is NULL");
return -EINVAL;
}
offload_state = nla_get_u8(attr);
if (offload_state == DYNAMIC_ARP_NS_ENABLE)
qdf_status = ucfg_pmo_dynamic_arp_ns_offload_enable(vdev);
else if (offload_state == DYNAMIC_ARP_NS_DISABLE)
qdf_status = ucfg_pmo_dynamic_arp_ns_offload_disable(vdev);
if (QDF_IS_STATUS_SUCCESS(qdf_status)) {
if (offload_state == DYNAMIC_ARP_NS_ENABLE)
ucfg_pmo_dynamic_arp_ns_offload_runtime_allow(vdev);
else
ucfg_pmo_dynamic_arp_ns_offload_runtime_prevent(vdev);
}
hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_ID);
if (QDF_IS_STATUS_ERROR(qdf_status)) {
if (qdf_status == QDF_STATUS_E_ALREADY) {
hdd_info_rl("already set arp/ns offload %d",
offload_state);
return 0;
}
return qdf_status_to_os_return(qdf_status);
}
if (!hdd_is_vdev_in_conn_state(adapter)) {
hdd_info("set not in connect state, updated state %d",
offload_state);
return 0;
}
if (offload_state == DYNAMIC_ARP_NS_ENABLE) {
hdd_enable_arp_offload(adapter,
pmo_arp_ns_offload_dynamic_update);
hdd_enable_ns_offload(adapter,
pmo_arp_ns_offload_dynamic_update);
} else if (offload_state == DYNAMIC_ARP_NS_DISABLE) {
hdd_disable_arp_offload(adapter,
pmo_arp_ns_offload_dynamic_update);
hdd_disable_ns_offload(adapter,
pmo_arp_ns_offload_dynamic_update);
}
return 0;
}
#undef DYNAMIC_ARP_NS_ENABLE
#undef DYNAMIC_ARP_NS_DISABLE
#endif
/**
* typedef independent_setter_fn - independent attribute handler
* @adapter: The adapter being configured
@@ -9089,6 +9187,10 @@ static const struct independent_setters independent_setters[] = {
hdd_set_primary_interface},
{QCA_WLAN_VENDOR_ATTR_CONFIG_FT_OVER_DS,
hdd_set_ft_over_ds},
#ifdef FEATURE_WLAN_DYNAMIC_ARP_NS_OFFLOAD
{QCA_WLAN_VENDOR_ATTR_CONFIG_ARP_NS_OFFLOAD,
hdd_set_arp_ns_offload},
#endif
};
#ifdef WLAN_FEATURE_ELNA

View File

@@ -571,11 +571,23 @@ void hdd_enable_ns_offload(struct hdd_adapter *adapter,
ns_req->trigger = trigger;
ns_req->count = 0;
vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_OSIF_POWER_ID);
if (!vdev) {
hdd_err("vdev is NULL");
goto free_req;
}
/* check if offload cache and send is required or not */
status = ucfg_pmo_ns_offload_check(psoc, trigger, adapter->vdev_id);
if (QDF_IS_STATUS_ERROR(status)) {
hdd_debug("NS offload is not required");
goto free_req;
goto put_vdev;
}
if (ucfg_pmo_get_arp_ns_offload_dynamic_disable(vdev)) {
hdd_debug("Dynamic arp ns offload disabled");
ucfg_pmo_flush_ns_offload_req(vdev);
goto skip_cache_ns;
}
/* Unicast Addresses */
@@ -585,7 +597,7 @@ void hdd_enable_ns_offload(struct hdd_adapter *adapter,
if (errno) {
hdd_disable_ns_offload(adapter, trigger);
hdd_debug("Max supported addresses: disabling NS offload");
goto free_req;
goto put_vdev;
}
/* Anycast Addresses */
@@ -595,21 +607,17 @@ void hdd_enable_ns_offload(struct hdd_adapter *adapter,
if (errno) {
hdd_disable_ns_offload(adapter, trigger);
hdd_debug("Max supported addresses: disabling NS offload");
goto free_req;
goto put_vdev;
}
/* cache ns request */
status = ucfg_pmo_cache_ns_offload_req(ns_req);
if (QDF_IS_STATUS_ERROR(status)) {
hdd_debug("Failed to cache ns request; status:%d", status);
goto free_req;
goto put_vdev;
}
vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_OSIF_POWER_ID);
if (!vdev) {
hdd_err("vdev is NULL");
goto free_req;
}
skip_cache_ns:
/* enable ns request */
status = ucfg_pmo_enable_ns_offload_in_fwr(vdev, trigger);
if (QDF_IS_STATUS_ERROR(status)) {
@@ -1313,6 +1321,12 @@ void hdd_enable_arp_offload(struct hdd_adapter *adapter,
goto put_vdev;
}
if (ucfg_pmo_get_arp_ns_offload_dynamic_disable(vdev)) {
hdd_debug("Dynamic arp ns offload disabled");
ucfg_pmo_flush_arp_offload_req(vdev);
goto skip_cache_arp;
}
ifa = hdd_get_ipv4_local_interface(adapter);
if (!ifa || !ifa->ifa_local) {
hdd_info("IP Address is not assigned");
@@ -1328,6 +1342,7 @@ void hdd_enable_arp_offload(struct hdd_adapter *adapter,
goto put_vdev;
}
skip_cache_arp:
status = ucfg_pmo_enable_arp_offload_in_fwr(vdev, trigger);
if (QDF_IS_STATUS_ERROR(status)) {
hdd_err("failed arp offload config in fw; status:%d", status);