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wil6210: disconnect only requested peer

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Disconnect event reported by the FW, should lead to disconnection
of only requested peer. Find for the appropriate CID and disconnect
only it

For AP-like interface, notify cfg80211 with del_sta(),
for the client type interface, disconnect and turn link off.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2014-02-27 16:20:50 +02:00 committed by John W. Linville
parent c8b78b5f0f
commit 91886b0b7d
1 changed files with 56 additions and 25 deletions
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81
drivers/net/wireless/ath/wil6210/main.c
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@ -53,38 +53,69 @@ void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
__raw_writel(*s++, d++);
}
static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
{
uint i;
struct wil_sta_info *sta = &wil->sta[cid];
for (i = 0; i < WIL_STA_TID_NUM; i++) {
struct wil_tid_ampdu_rx *r = sta->tid_rx[i];
sta->tid_rx[i] = NULL;
wil_tid_ampdu_rx_free(wil, r);
}
for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
if (wil->vring2cid_tid[i][0] == cid)
wil_vring_fini_tx(wil, i);
}
memset(&sta->stats, 0, sizeof(sta->stats));
}
static void _wil6210_disconnect(struct wil6210_priv *wil, void *bssid)
{
uint i, cid;
int cid = -ENOENT;
struct net_device *ndev = wil_to_ndev(wil);
struct wireless_dev *wdev = wil->wdev;
wil_dbg_misc(wil, "%s()\n", __func__);
might_sleep();
if (bssid) {
cid = wil_find_cid(wil, bssid);
wil_dbg_misc(wil, "%s(%pM, CID %d)\n", __func__, bssid, cid);
} else {
wil_dbg_misc(wil, "%s(all)\n", __func__);
}
for (cid = 0; cid < WIL6210_MAX_CID; cid++) {
struct wil_sta_info *sta = &wil->sta[cid];
for (i = 0; i < WIL_STA_TID_NUM; i++) {
struct wil_tid_ampdu_rx *r = sta->tid_rx[i];
sta->tid_rx[i] = NULL;
wil_tid_ampdu_rx_free(wil, r);
if (cid >= 0) /* disconnect 1 peer */
wil_disconnect_cid(wil, cid);
else /* disconnect all */
for (cid = 0; cid < WIL6210_MAX_CID; cid++)
wil_disconnect_cid(wil, cid);
/* link state */
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
wil_link_off(wil);
if (test_bit(wil_status_fwconnected, &wil->status)) {
clear_bit(wil_status_fwconnected, &wil->status);
cfg80211_disconnected(ndev,
WLAN_STATUS_UNSPECIFIED_FAILURE,
NULL, 0, GFP_KERNEL);
} else if (test_bit(wil_status_fwconnecting, &wil->status)) {
cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
GFP_KERNEL);
}
clear_bit(wil_status_fwconnecting, &wil->status);
wil_dbg_misc(wil, "clear_bit(wil_status_dontscan)\n");
clear_bit(wil_status_dontscan, &wil->status);
break;
default:
/* AP-like interface and monitor:
* never scan, always connected
*/
if (bssid)
cfg80211_del_sta(ndev, bssid, GFP_KERNEL);
break;
}
wil_link_off(wil);
if (test_bit(wil_status_fwconnected, &wil->status)) {
clear_bit(wil_status_fwconnected, &wil->status);
cfg80211_disconnected(ndev,
WLAN_STATUS_UNSPECIFIED_FAILURE,
NULL, 0, GFP_KERNEL);
} else if (test_bit(wil_status_fwconnecting, &wil->status)) {
cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
GFP_KERNEL);
}
clear_bit(wil_status_fwconnecting, &wil->status);
for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++)
wil_vring_fini_tx(wil, i);
clear_bit(wil_status_dontscan, &wil->status);
}
static void wil_disconnect_worker(struct work_struct *work)