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qcacld-3.0: Add support for handling the NAN events

Browse source 
As part of supporting NAN DBS, new WMI TLVs are defined so
that Host can maintain the status of NAN Discovery in sync
with the Firmware. Add modules that process these events and
updates the NAN states.

Add support for handling the NAN events.

Change-Id: Icfcd9c33cc410d9a65140f63cac69ddd69742306
CRs-Fixed: 2355383
This commit is contained in:
Nachiket Kukade 2018-11-08 18:10:11 +05:30 • committed by nshrivas
commit 4f89e9e161
9 changed files with 364 additions and 113 deletions
Download patch file Download diff file Expand all files Collapse all files

16
os_if/nan/inc/os_if_nan.h
View file

@ -39,19 +39,6 @@
int os_if_nan_process_ndp_cmd(struct wlan_objmgr_psoc *psoc,
const void *data, int data_len);
/**
* os_if_nan_event_handler: os_if handler api for nan response messages
* @psoc: pointer to psoc object
* @vdev: pointer to vdev object
* @type: message type
* @msg: msg buffer
*
* Return: None
*/
void os_if_nan_event_handler(struct wlan_objmgr_psoc *psoc,
struct wlan_objmgr_vdev *vdev,
uint32_t type, void *msg);
/**
* os_if_nan_register_hdd_callbacks: os_if api to register hdd callbacks
* @psoc: pointer to psoc object
@ -147,7 +134,8 @@ static inline QDF_STATUS os_if_nan_set_ndp_delete_transaction_id(
}
/**
* os_if_process_nan_req: os_if api to handle nan request message
* os_if_process_nan_req: os_if api to handle NAN requests attached to the
* vendor command QCA_NL80211_VENDOR_SUBCMD_NAN_EXT
* @psoc: pointer to psoc object
* @data: request data. contains vendor cmd tlvs
* @data_len: length of data

88
os_if/nan/src/os_if_nan.c
View file

@ -1989,9 +1989,9 @@ ndp_sch_ind_nla_failed:
kfree_skb(vendor_event);
}
void os_if_nan_event_handler(struct wlan_objmgr_psoc *psoc,
struct wlan_objmgr_vdev *vdev,
uint32_t type, void *msg)
static void os_if_nan_datapath_event_handler(struct wlan_objmgr_psoc *psoc,
struct wlan_objmgr_vdev *vdev,
uint32_t type, void *msg)
{
switch (type) {
case NAN_DATAPATH_INF_CREATE_RSP:
@ -2032,13 +2032,6 @@ void os_if_nan_event_handler(struct wlan_objmgr_psoc *psoc,
}
}
int os_if_nan_register_hdd_callbacks(struct wlan_objmgr_psoc *psoc,
struct nan_callbacks *cb_obj)
{
return ucfg_nan_register_hdd_callbacks(psoc, cb_obj,
os_if_nan_event_handler);
}
int os_if_nan_register_lim_callbacks(struct wlan_objmgr_psoc *psoc,
struct nan_callbacks *cb_obj)
{
@ -2060,13 +2053,15 @@ void os_if_nan_post_ndi_create_rsp(struct wlan_objmgr_psoc *psoc,
if (success) {
rsp.status = NAN_DATAPATH_RSP_STATUS_SUCCESS;
rsp.reason = 0;
os_if_nan_event_handler(psoc, vdev,
NAN_DATAPATH_INF_CREATE_RSP, &rsp);
os_if_nan_datapath_event_handler(psoc, vdev,
NAN_DATAPATH_INF_CREATE_RSP,
&rsp);
} else {
rsp.status = NAN_DATAPATH_RSP_STATUS_ERROR;
rsp.reason = NAN_DATAPATH_NAN_DATA_IFACE_CREATE_FAILED;
os_if_nan_event_handler(psoc, vdev,
NAN_DATAPATH_INF_CREATE_RSP, &rsp);
os_if_nan_datapath_event_handler(psoc, vdev,
NAN_DATAPATH_INF_CREATE_RSP,
&rsp);
}
wlan_objmgr_vdev_release_ref(vdev, WLAN_NAN_ID);
}
@ -2085,13 +2080,15 @@ void os_if_nan_post_ndi_delete_rsp(struct wlan_objmgr_psoc *psoc,
if (success) {
rsp.status = NAN_DATAPATH_RSP_STATUS_SUCCESS;
rsp.reason = 0;
os_if_nan_event_handler(psoc, vdev,
NAN_DATAPATH_INF_DELETE_RSP, &rsp);
os_if_nan_datapath_event_handler(psoc, vdev,
NAN_DATAPATH_INF_DELETE_RSP,
&rsp);
} else {
rsp.status = NAN_DATAPATH_RSP_STATUS_ERROR;
rsp.reason = NAN_DATAPATH_NAN_DATA_IFACE_DELETE_FAILED;
os_if_nan_event_handler(psoc, vdev,
NAN_DATAPATH_INF_DELETE_RSP, &rsp);
os_if_nan_datapath_event_handler(psoc, vdev,
NAN_DATAPATH_INF_DELETE_RSP,
&rsp);
}
wlan_objmgr_vdev_release_ref(vdev, WLAN_NAN_ID);
}
@ -2192,6 +2189,61 @@ failure:
kfree_skb(vendor_event);
}
/**
* os_if_nan_discovery_event_handler() - NAN Discovery Interface event handler
* @nan_evt: NAN Event parameters
*
* Module sends a NAN related vendor event to the upper layer
*
* Return: none
*/
static void os_if_nan_discovery_event_handler(struct nan_event_params *nan_evt)
{
struct sk_buff *vendor_event;
struct wlan_objmgr_pdev *pdev;
struct pdev_osif_priv *os_priv;
/*
* Since Partial Offload chipsets have only one pdev per psoc, the first
* pdev from the pdev list is used.
*/
pdev = wlan_objmgr_get_pdev_by_id(nan_evt->psoc, 0, WLAN_NAN_ID);
if (!pdev) {
cfg80211_err("null pdev");
return;
}
os_priv = wlan_pdev_get_ospriv(pdev);
vendor_event =
cfg80211_vendor_event_alloc(os_priv->wiphy, NULL,
nan_evt->buf_len + NLMSG_HDRLEN,
QCA_NL80211_VENDOR_SUBCMD_NAN_INDEX,
GFP_KERNEL);
if (!vendor_event) {
cfg80211_err("cfg80211_vendor_event_alloc failed");
goto fail;
}
if (nla_put(vendor_event, QCA_WLAN_VENDOR_ATTR_NAN, nan_evt->buf_len,
nan_evt->buf)) {
cfg80211_err("QCA_WLAN_VENDOR_ATTR_NAN put failed");
goto fail;
}
cfg80211_vendor_event(vendor_event, GFP_KERNEL);
fail:
wlan_objmgr_pdev_release_ref(pdev, WLAN_NAN_ID);
}
int os_if_nan_register_hdd_callbacks(struct wlan_objmgr_psoc *psoc,
struct nan_callbacks *cb_obj)
{
cb_obj->os_if_ndp_event_handler = os_if_nan_datapath_event_handler;
cb_obj->os_if_nan_event_handler = os_if_nan_discovery_event_handler;
return ucfg_nan_register_hdd_callbacks(psoc, cb_obj);
}
static int os_if_nan_generic_req(struct wlan_objmgr_psoc *psoc,
struct nlattr **tb)
{