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qcacld-3.0: Lightly refactor __wlan_hdd_cfg80211_change_iface

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__wlan_hdd_cfg80211_change_iface() has a number of obvious style issues.
Lightly refactor __wlan_hdd_cfg80211_change_iface() to address the low
hanging fruit.

Change-Id: Ib2efa7405e986e73a5c5b6fc7e5509eeebd2e6f3
CRs-Fixed: 2330973
This commit is contained in:
Dustin Brown
2018-10-09 17:19:37 -07:00
committed by nshrivas
parent 9de31c0bdb
commit 2ab5a97415
1 changed files with 41 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
core/hdd/src/wlan_hdd_cfg80211.c
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@@ -13089,10 +13089,7 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
struct wireless_dev *wdev;
struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev);
struct hdd_context *hdd_ctx;
struct csr_roam_profile *roam_profile = NULL;
eCsrRoamBssType LastBSSType;
struct hdd_config *pConfig = NULL;
int status;
int errno;
bool iff_up = (ndev->flags & IFF_UP);
hdd_enter();
@@ -13103,25 +13100,20 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
}
hdd_ctx = WLAN_HDD_GET_CTX(adapter);
status = wlan_hdd_validate_context(hdd_ctx);
if (0 != status)
return status;
if (cds_is_fw_down()) {
hdd_err("Ignore if FW is already down");
return -EINVAL;
}
errno = wlan_hdd_validate_context(hdd_ctx);
if (errno)
return errno;
MTRACE(qdf_trace(QDF_MODULE_ID_HDD,
TRACE_CODE_HDD_CFG80211_CHANGE_IFACE,
adapter->session_id, type));
hdd_debug("Device_mode = %d, IFTYPE = 0x%x",
adapter->device_mode, type);
adapter->device_mode, type);
status = hdd_wlan_start_modules(hdd_ctx, false);
if (status) {
hdd_err("Failed to start modules");
errno = hdd_wlan_start_modules(hdd_ctx, false);
if (errno) {
hdd_err("Failed to start modules; errno:%d", errno);
return -EINVAL;
}
@@ -13132,27 +13124,21 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
return -EINVAL;
}
pConfig = hdd_ctx->config;
wdev = ndev->ieee80211_ptr;
/* Reset the current device mode bit mask */
policy_mgr_clear_concurrency_mode(hdd_ctx->psoc,
adapter->device_mode);
policy_mgr_clear_concurrency_mode(hdd_ctx->psoc, adapter->device_mode);
if (!(adapter->device_mode == QDF_P2P_DEVICE_MODE &&
type == NL80211_IFTYPE_STATION)) {
if (adapter->device_mode != QDF_P2P_DEVICE_MODE ||
type != NL80211_IFTYPE_STATION) {
hdd_debug("Teardown tdls links and disable tdls in FW as new interface is coming up");
hdd_notify_teardown_tdls_links(adapter->vdev);
}
if ((adapter->device_mode == QDF_STA_MODE) ||
(adapter->device_mode == QDF_P2P_CLIENT_MODE) ||
(adapter->device_mode == QDF_P2P_DEVICE_MODE) ||
(adapter->device_mode == QDF_IBSS_MODE)) {
roam_profile = hdd_roam_profile(adapter);
LastBSSType = roam_profile->BSSType;
if (adapter->device_mode == QDF_STA_MODE ||
adapter->device_mode == QDF_P2P_CLIENT_MODE ||
adapter->device_mode == QDF_P2P_DEVICE_MODE ||
adapter->device_mode == QDF_IBSS_MODE) {
switch (type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
@@ -13161,12 +13147,12 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
hdd_deregister_tx_flow_control(adapter);
hdd_debug("Setting interface Type to ADHOC");
}
status = wlan_hdd_change_client_iface_to_new_mode(ndev,
type);
if (status) {
hdd_err("Failed to change iface to new mode:%d status %d",
type, status);
return status;
errno = wlan_hdd_change_client_iface_to_new_mode(ndev,
type);
if (errno) {
hdd_err("Failed to change iface to new mode:%d; errno:%d",
type, errno);
return errno;
}
if (iff_up) {
if (hdd_start_adapter(adapter)) {
@@ -13178,34 +13164,29 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
goto done;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
{
hdd_debug("Setting interface Type to %s",
(type ==
NL80211_IFTYPE_AP) ? "SoftAP" :
"P2pGo");
/* Cancel any remain on channel for GO mode */
if (NL80211_IFTYPE_P2P_GO == type) {
if (type == NL80211_IFTYPE_P2P_GO) {
wlan_hdd_cancel_existing_remain_on_channel
(adapter);
}
hdd_stop_adapter(hdd_ctx, adapter);
/* De-init the adapter */
hdd_deinit_adapter(hdd_ctx, adapter, true);
memset(&adapter->session, 0,
sizeof(adapter->session));
adapter->device_mode =
(type ==
NL80211_IFTYPE_AP) ? QDF_SAP_MODE :
QDF_P2P_GO_MODE;
memset(&adapter->session, 0, sizeof(adapter->session));
adapter->device_mode = type == NL80211_IFTYPE_AP ?
QDF_SAP_MODE : QDF_P2P_GO_MODE;
/*
* Fw will take care incase of concurrency
*/
if ((QDF_SAP_MODE == adapter->device_mode)
&& (pConfig->apRandomBssidEnabled)) {
if (adapter->device_mode == QDF_SAP_MODE &&
hdd_ctx->config->apRandomBssidEnabled) {
/* To meet Android requirements create
* a randomized MAC address of the
* form 02:1A:11:Fx:xx:xx
@@ -13215,8 +13196,7 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
ndev->dev_addr[1] = 0x1A;
ndev->dev_addr[2] = 0x11;
ndev->dev_addr[3] |= 0xF0;
memcpy(adapter->mac_addr.
bytes, ndev->dev_addr,
memcpy(adapter->mac_addr.bytes, ndev->dev_addr,
QDF_MAC_ADDR_SIZE);
pr_info("wlan: Generated HotSpot BSSID "
MAC_ADDRESS_STR "\n",
@@ -13232,6 +13212,7 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
return -EINVAL;
}
}
/* Interface type changed update in wiphy structure */
if (wdev) {
wdev->iftype = type;
@@ -13239,23 +13220,22 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
hdd_err("Wireless dev is NULL");
return -EINVAL;
}
goto done;
}
goto done;
default:
hdd_err("Unsupported interface type: %d", type);
return -EOPNOTSUPP;
}
} else if ((adapter->device_mode == QDF_SAP_MODE) ||
(adapter->device_mode == QDF_P2P_GO_MODE)) {
} else if (adapter->device_mode == QDF_SAP_MODE ||
adapter->device_mode == QDF_P2P_GO_MODE) {
switch (type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_ADHOC:
status = wlan_hdd_change_client_iface_to_new_mode(ndev,
type);
if (status != QDF_STATUS_SUCCESS)
return status;
errno = wlan_hdd_change_client_iface_to_new_mode(ndev,
type);
if (errno)
return errno;
if (iff_up) {
if (hdd_start_adapter(adapter)) {
@@ -13269,8 +13249,8 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
wdev->iftype = type;
adapter->device_mode = (type == NL80211_IFTYPE_AP) ?
QDF_SAP_MODE : QDF_P2P_GO_MODE;
adapter->device_mode = type == NL80211_IFTYPE_AP ?
QDF_SAP_MODE : QDF_P2P_GO_MODE;
goto done;
default:
@@ -13278,18 +13258,17 @@ static int __wlan_hdd_cfg80211_change_iface(struct wiphy *wiphy,
return -EOPNOTSUPP;
}
} else {
hdd_err("Unsupported device mode: %d",
adapter->device_mode);
hdd_err("Unsupported device mode: %d", adapter->device_mode);
return -EOPNOTSUPP;
}
done:
/* Set bitmask based on updated value */
policy_mgr_set_concurrency_mode(hdd_ctx->psoc,
adapter->device_mode);
policy_mgr_set_concurrency_mode(hdd_ctx->psoc, adapter->device_mode);
hdd_lpass_notify_mode_change(adapter);
hdd_exit();
return 0;
}