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mwifiex: update cfg80211 with correct reason code when connection is lost

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Driver gets LINK_LOST, DEAUTHENTICATED and DISASSOCIATED events
from firmware when connection is lost in different scenarios.
Currently we are using common code WLAN_REASON_DEAUTH_LEAVING
for these cases.

This patch adds support to parse an actual reason code from
firmware event body and send it to cfg80211.
WLAN_REASON_DEAUTH_LEAVING code is used if deauth is initiated
by our device.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Amitkumar Karwar 2012-10-05 20:21:43 -07:00 committed by John W. Linville
parent 0697588428
commit 8cc1d52390
4 changed files with 27 additions and 16 deletions
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6
drivers/net/wireless/mwifiex/join.c
View File

@ -1180,16 +1180,18 @@ int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
struct mwifiex_adapter *adapter = priv->adapter;
struct host_cmd_ds_802_11_ad_hoc_result *adhoc_result;
struct mwifiex_bssdescriptor *bss_desc;
u16 reason_code;
adhoc_result = &resp->params.adhoc_result;
bss_desc = priv->attempted_bss_desc;
/* Join result code 0 --> SUCCESS */
if (le16_to_cpu(resp->result)) {
reason_code = le16_to_cpu(resp->result);
if (reason_code) {
dev_err(priv->adapter->dev, "ADHOC_RESP: failed\n");
if (priv->media_connected)
mwifiex_reset_connect_state(priv);
mwifiex_reset_connect_state(priv, reason_code);
memset(&priv->curr_bss_params.bss_descriptor,
0x00, sizeof(struct mwifiex_bssdescriptor));

2
drivers/net/wireless/mwifiex/main.h
View File

@ -847,7 +847,7 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
struct mwifiex_bssdescriptor *bss_desc);
int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp);
void mwifiex_reset_connect_state(struct mwifiex_private *priv);
void mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason);
u8 mwifiex_band_to_radio_type(u8 band);
int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
int mwifiex_adhoc_start(struct mwifiex_private *priv,

4
drivers/net/wireless/mwifiex/sta_cmdresp.c
View File

@ -545,7 +545,7 @@ static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
if (!memcmp(resp->params.deauth.mac_addr,
&priv->curr_bss_params.bss_descriptor.mac_address,
sizeof(resp->params.deauth.mac_addr)))
mwifiex_reset_connect_state(priv);
mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
return 0;
}
@ -558,7 +558,7 @@ static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp)
{
mwifiex_reset_connect_state(priv);
mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
return 0;
}

31
drivers/net/wireless/mwifiex/sta_event.c
View File

@ -41,7 +41,7 @@
* - Sends a disconnect event to upper layers/applications.
*/
void
mwifiex_reset_connect_state(struct mwifiex_private *priv)
mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code)
{
struct mwifiex_adapter *adapter = priv->adapter;
@ -117,10 +117,10 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv)
priv->media_connected = false;
dev_dbg(adapter->dev,
"info: successfully disconnected from %pM: reason code %d\n",
priv->cfg_bssid, WLAN_REASON_DEAUTH_LEAVING);
priv->cfg_bssid, reason_code);
if (priv->bss_mode == NL80211_IFTYPE_STATION) {
cfg80211_disconnected(priv->netdev, WLAN_REASON_DEAUTH_LEAVING,
NULL, 0, GFP_KERNEL);
cfg80211_disconnected(priv->netdev, reason_code, NULL, 0,
GFP_KERNEL);
}
memset(priv->cfg_bssid, 0, ETH_ALEN);
@ -186,7 +186,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
struct mwifiex_adapter *adapter = priv->adapter;
int ret = 0;
u32 eventcause = adapter->event_cause;
u16 ctrl;
u16 ctrl, reason_code;
switch (eventcause) {
case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
@ -204,22 +204,31 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
case EVENT_DEAUTHENTICATED:
dev_dbg(adapter->dev, "event: Deauthenticated\n");
adapter->dbg.num_event_deauth++;
if (priv->media_connected)
mwifiex_reset_connect_state(priv);
if (priv->media_connected) {
reason_code =
le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code);
}
break;
case EVENT_DISASSOCIATED:
dev_dbg(adapter->dev, "event: Disassociated\n");
adapter->dbg.num_event_disassoc++;
if (priv->media_connected)
mwifiex_reset_connect_state(priv);
if (priv->media_connected) {
reason_code =
le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code);
}
break;
case EVENT_LINK_LOST:
dev_dbg(adapter->dev, "event: Link lost\n");
adapter->dbg.num_event_link_lost++;
if (priv->media_connected)
mwifiex_reset_connect_state(priv);
if (priv->media_connected) {
reason_code =
le16_to_cpu(*(__le16 *)adapter->event_body);
mwifiex_reset_connect_state(priv, reason_code);
}
break;
case EVENT_PS_SLEEP: