[mirror_ubuntu-hirsute-kernel.git] / drivers / net / wireless / marvell / libertas / cmdresp.c

// SPDX-License-Identifier: GPL-2.0
/*
 * This file contains the handling of command
 * responses as well as events generated by firmware.
 */

#include <linux/hardirq.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <asm/unaligned.h>
#include <net/cfg80211.h>

#include "cfg.h"
#include "cmd.h"

/**
 * lbs_mac_event_disconnected - handles disconnect event. It
 * reports disconnect to upper layer, clean tx/rx packets,
 * reset link state etc.
 *
 * @priv:	A pointer to struct lbs_private structure
 * @locally_generated: indicates disconnect was requested locally
 *		(usually by userspace)
 *
 * returns:	n/a
 */
void lbs_mac_event_disconnected(struct lbs_private *priv,
				bool locally_generated)
{
	unsigned long flags;

	if (priv->connect_status != LBS_CONNECTED)
		return;

	/*
	 * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
	 * It causes problem in the Supplicant
	 */
	msleep_interruptible(1000);

	if (priv->wdev->iftype == NL80211_IFTYPE_STATION)
		lbs_send_disconnect_notification(priv, locally_generated);

	/* report disconnect to upper layer */
	netif_stop_queue(priv->dev);
	netif_carrier_off(priv->dev);

	/* Free Tx and Rx packets */
	spin_lock_irqsave(&priv->driver_lock, flags);
	kfree_skb(priv->currenttxskb);
	priv->currenttxskb = NULL;
	priv->tx_pending_len = 0;
	spin_unlock_irqrestore(&priv->driver_lock, flags);

	priv->connect_status = LBS_DISCONNECTED;

	if (priv->psstate != PS_STATE_FULL_POWER) {
		/* make firmware to exit PS mode */
		lbs_deb_cmd("disconnected, so exit PS mode\n");
		lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, false);
	}
}

int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len)
{
	uint16_t respcmd, curcmd;
	struct cmd_header *resp;
	int ret = 0;
	unsigned long flags;
	uint16_t result;

	mutex_lock(&priv->lock);
	spin_lock_irqsave(&priv->driver_lock, flags);

	if (!priv->cur_cmd) {
		lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
		ret = -1;
		spin_unlock_irqrestore(&priv->driver_lock, flags);
		goto done;
	}

	resp = (void *)data;
	curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
	respcmd = le16_to_cpu(resp->command);
	result = le16_to_cpu(resp->result);

	lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
		     respcmd, le16_to_cpu(resp->seqnum), len);
	lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len);

	if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
		netdev_info(priv->dev,
			    "Received CMD_RESP with invalid sequence %d (expected %d)\n",
			    le16_to_cpu(resp->seqnum),
			    le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
		spin_unlock_irqrestore(&priv->driver_lock, flags);
		ret = -1;
		goto done;
	}
	if (respcmd != CMD_RET(curcmd) &&
	    respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) {
		netdev_info(priv->dev, "Invalid CMD_RESP %x to command %x!\n",
			    respcmd, curcmd);
		spin_unlock_irqrestore(&priv->driver_lock, flags);
		ret = -1;
		goto done;
	}

	if (resp->result == cpu_to_le16(0x0004)) {
		/* 0x0004 means -EAGAIN. Drop the response, let it time out
		   and be resubmitted */
		netdev_info(priv->dev,
			    "Firmware returns DEFER to command %x. Will let it time out...\n",
			    le16_to_cpu(resp->command));
		spin_unlock_irqrestore(&priv->driver_lock, flags);
		ret = -1;
		goto done;
	}

	/* Now we got response from FW, cancel the command timer */
	del_timer(&priv->command_timer);
	priv->cmd_timed_out = 0;

	if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
		/* struct cmd_ds_802_11_ps_mode also contains
		 * the header
		 */
		struct cmd_ds_802_11_ps_mode *psmode = (void *)resp;
		u16 action = le16_to_cpu(psmode->action);

		lbs_deb_host(
		       "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
		       result, action);

		if (result) {
			lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
				    result);
			/*
			 * We should not re-try enter-ps command in
			 * ad-hoc mode. It takes place in
			 * lbs_execute_next_command().
			 */
			if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR &&
			    action == PS_MODE_ACTION_ENTER_PS)
				priv->psmode = LBS802_11POWERMODECAM;
		} else if (action == PS_MODE_ACTION_ENTER_PS) {
			priv->needtowakeup = 0;
			priv->psstate = PS_STATE_AWAKE;

			lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
			if (priv->connect_status != LBS_CONNECTED) {
				/*
				 * When Deauth Event received before Enter_PS command
				 * response, We need to wake up the firmware.
				 */
				lbs_deb_host(
				       "disconnected, invoking lbs_ps_wakeup\n");

				spin_unlock_irqrestore(&priv->driver_lock, flags);
				mutex_unlock(&priv->lock);
				lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS,
						false);
				mutex_lock(&priv->lock);
				spin_lock_irqsave(&priv->driver_lock, flags);
			}
		} else if (action == PS_MODE_ACTION_EXIT_PS) {
			priv->needtowakeup = 0;
			priv->psstate = PS_STATE_FULL_POWER;
			lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
		} else {
			lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
		}

		__lbs_complete_command(priv, priv->cur_cmd, result);
		spin_unlock_irqrestore(&priv->driver_lock, flags);

		ret = 0;
		goto done;
	}

	/* If the command is not successful, cleanup and return failure */
	if ((result != 0 || !(respcmd & 0x8000))) {
		lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
		       result, respcmd);
		/*
		 * Handling errors here
		 */
		switch (respcmd) {
		case CMD_RET(CMD_GET_HW_SPEC):
		case CMD_RET(CMD_802_11_RESET):
			lbs_deb_host("CMD_RESP: reset failed\n");
			break;

		}
		__lbs_complete_command(priv, priv->cur_cmd, result);
		spin_unlock_irqrestore(&priv->driver_lock, flags);

		ret = -1;
		goto done;
	}

	spin_unlock_irqrestore(&priv->driver_lock, flags);

	if (priv->cur_cmd && priv->cur_cmd->callback) {
		ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
				resp);
	}

	spin_lock_irqsave(&priv->driver_lock, flags);

	if (priv->cur_cmd) {
		/* Clean up and Put current command back to cmdfreeq */
		__lbs_complete_command(priv, priv->cur_cmd, result);
	}
	spin_unlock_irqrestore(&priv->driver_lock, flags);

done:
	mutex_unlock(&priv->lock);
	return ret;
}

int lbs_process_event(struct lbs_private *priv, u32 event)
{
	int ret = 0;
	struct cmd_header cmd;

	switch (event) {
	case MACREG_INT_CODE_LINK_SENSED:
		lbs_deb_cmd("EVENT: link sensed\n");
		break;

	case MACREG_INT_CODE_DEAUTHENTICATED:
		lbs_deb_cmd("EVENT: deauthenticated\n");
		lbs_mac_event_disconnected(priv, false);
		break;

	case MACREG_INT_CODE_DISASSOCIATED:
		lbs_deb_cmd("EVENT: disassociated\n");
		lbs_mac_event_disconnected(priv, false);
		break;

	case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
		lbs_deb_cmd("EVENT: link lost\n");
		lbs_mac_event_disconnected(priv, true);
		break;

	case MACREG_INT_CODE_PS_SLEEP:
		lbs_deb_cmd("EVENT: ps sleep\n");

		/* handle unexpected PS SLEEP event */
		if (priv->psstate == PS_STATE_FULL_POWER) {
			lbs_deb_cmd(
			       "EVENT: in FULL POWER mode, ignoring PS_SLEEP\n");
			break;
		}
		if (!list_empty(&priv->cmdpendingq)) {
			lbs_deb_cmd("EVENT: commands in queue, do not sleep\n");
			break;
		}
		priv->psstate = PS_STATE_PRE_SLEEP;

		lbs_ps_confirm_sleep(priv);

		break;

	case MACREG_INT_CODE_HOST_AWAKE:
		lbs_deb_cmd("EVENT: host awake\n");
		if (priv->reset_deep_sleep_wakeup)
			priv->reset_deep_sleep_wakeup(priv);
		priv->is_deep_sleep = 0;
		lbs_cmd_async(priv, CMD_802_11_WAKEUP_CONFIRM, &cmd,
				sizeof(cmd));
		priv->is_host_sleep_activated = 0;
		wake_up_interruptible(&priv->host_sleep_q);
		break;

	case MACREG_INT_CODE_DEEP_SLEEP_AWAKE:
		if (priv->reset_deep_sleep_wakeup)
			priv->reset_deep_sleep_wakeup(priv);
		lbs_deb_cmd("EVENT: ds awake\n");
		priv->is_deep_sleep = 0;
		priv->wakeup_dev_required = 0;
		wake_up_interruptible(&priv->ds_awake_q);
		break;

	case MACREG_INT_CODE_PS_AWAKE:
		lbs_deb_cmd("EVENT: ps awake\n");
		/* handle unexpected PS AWAKE event */
		if (priv->psstate == PS_STATE_FULL_POWER) {
			lbs_deb_cmd(
			       "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
			break;
		}

		priv->psstate = PS_STATE_AWAKE;

		if (priv->needtowakeup) {
			/*
			 * wait for the command processing to finish
			 * before resuming sending
			 * priv->needtowakeup will be set to FALSE
			 * in lbs_ps_wakeup()
			 */
			lbs_deb_cmd("waking up ...\n");
			lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, false);
		}
		break;

	case MACREG_INT_CODE_MIC_ERR_UNICAST:
		lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
		lbs_send_mic_failureevent(priv, event);
		break;

	case MACREG_INT_CODE_MIC_ERR_MULTICAST:
		lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
		lbs_send_mic_failureevent(priv, event);
		break;

	case MACREG_INT_CODE_MIB_CHANGED:
		lbs_deb_cmd("EVENT: MIB CHANGED\n");
		break;
	case MACREG_INT_CODE_INIT_DONE:
		lbs_deb_cmd("EVENT: INIT DONE\n");
		break;
	case MACREG_INT_CODE_ADHOC_BCN_LOST:
		lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
		break;
	case MACREG_INT_CODE_RSSI_LOW:
		netdev_alert(priv->dev, "EVENT: rssi low\n");
		break;
	case MACREG_INT_CODE_SNR_LOW:
		netdev_alert(priv->dev, "EVENT: snr low\n");
		break;
	case MACREG_INT_CODE_MAX_FAIL:
		netdev_alert(priv->dev, "EVENT: max fail\n");
		break;
	case MACREG_INT_CODE_RSSI_HIGH:
		netdev_alert(priv->dev, "EVENT: rssi high\n");
		break;
	case MACREG_INT_CODE_SNR_HIGH:
		netdev_alert(priv->dev, "EVENT: snr high\n");
		break;

	case MACREG_INT_CODE_MESH_AUTO_STARTED:
		/* Ignore spurious autostart events */
		netdev_info(priv->dev, "EVENT: MESH_AUTO_STARTED (ignoring)\n");
		break;

	default:
		netdev_alert(priv->dev, "EVENT: unknown event id %d\n", event);
		break;
	}

	return ret;
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
8973a6e7 RD	2	/*
	3	* This file contains the handling of command
	4	* responses as well as events generated by firmware.
	5	*/
0e4e06ae	6
a6b7a407	7	#include <linux/hardirq.h>
5a0e3ad6	8	#include <linux/slab.h>
876c9d3a	9	#include <linux/delay.h>
767e366f	10	#include <linux/sched.h>
2c5b9e51	11	#include <asm/unaligned.h>
e86dc1ca	12	#include <net/cfg80211.h>
876c9d3a	13
e86dc1ca	14	#include "cfg.h"
66fceb69	15	#include "cmd.h"
876c9d3a MT	16
876c9d3a MT	17	/**
8973a6e7 RD	18	* lbs_mac_event_disconnected - handles disconnect event. It
	19	* reports disconnect to upper layer, clean tx/rx packets,
	20	* reset link state etc.
	21	*
	22	* @priv: A pointer to struct lbs_private structure
80279fb7 JB	23	* @locally_generated: indicates disconnect was requested locally
80279fb7 JB	24	* (usually by userspace)
876c9d3a	25	*
8973a6e7	26	* returns: n/a
876c9d3a	27	*/
80279fb7 JB	28	void lbs_mac_event_disconnected(struct lbs_private *priv,
80279fb7 JB	29	bool locally_generated)
876c9d3a	30	{
f52b041a PA	31	unsigned long flags;
f52b041a PA	32
aa21c004	33	if (priv->connect_status != LBS_CONNECTED)
876c9d3a MT	34	return;
876c9d3a MT	35
876c9d3a MT	36	/*
	37	* Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
	38	* It causes problem in the Supplicant
	39	*/
876c9d3a	40	msleep_interruptible(1000);
e4fe4eaf KD	41
e4fe4eaf KD	42	if (priv->wdev->iftype == NL80211_IFTYPE_STATION)
80279fb7	43	lbs_send_disconnect_notification(priv, locally_generated);
876c9d3a	44
876c9d3a	45	/* report disconnect to upper layer */
634b8f49 HS	46	netif_stop_queue(priv->dev);
634b8f49 HS	47	netif_carrier_off(priv->dev);
876c9d3a	48
a27b9f96	49	/* Free Tx and Rx packets */
f52b041a	50	spin_lock_irqsave(&priv->driver_lock, flags);
a27b9f96 DW	51	kfree_skb(priv->currenttxskb);
	52	priv->currenttxskb = NULL;
	53	priv->tx_pending_len = 0;
f52b041a	54	spin_unlock_irqrestore(&priv->driver_lock, flags);
a27b9f96	55
aa21c004	56	priv->connect_status = LBS_DISCONNECTED;
876c9d3a	57
aa21c004	58	if (priv->psstate != PS_STATE_FULL_POWER) {
876c9d3a	59	/* make firmware to exit PS mode */
a6c8700f	60	lbs_deb_cmd("disconnected, so exit PS mode\n");
0bb64087	61	lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, false);
876c9d3a MT	62	}
	63	}
	64
7919b89c	65	int lbs_process_command_response(struct lbs_private priv, u8 data, u32 len)
876c9d3a	66	{
e1258177	67	uint16_t respcmd, curcmd;
ddac4526	68	struct cmd_header *resp;
876c9d3a	69	int ret = 0;
e1258177 DW	70	unsigned long flags;
e1258177 DW	71	uint16_t result;
876c9d3a	72
aa21c004 DW	73	mutex_lock(&priv->lock);
aa21c004 DW	74	spin_lock_irqsave(&priv->driver_lock, flags);
876c9d3a	75
aa21c004	76	if (!priv->cur_cmd) {
a6c8700f	77	lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
876c9d3a	78	ret = -1;
aa21c004	79	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	80	goto done;
876c9d3a MT	81	}
e1258177	82
7919b89c	83	resp = (void *)data;
8a96df80	84	curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
876c9d3a	85	respcmd = le16_to_cpu(resp->command);
876c9d3a MT	86	result = le16_to_cpu(resp->result);
876c9d3a MT	87
e5225b39	88	lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
7919b89c HS	89	respcmd, le16_to_cpu(resp->seqnum), len);
7919b89c HS	90	lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len);
876c9d3a	91
6305f498	92	if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
f3a57fd1 JP	93	netdev_info(priv->dev,
	94	"Received CMD_RESP with invalid sequence %d (expected %d)\n",
	95	le16_to_cpu(resp->seqnum),
	96	le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
aa21c004	97	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	98	ret = -1;
	99	goto done;
	100	}
e1258177	101	if (respcmd != CMD_RET(curcmd) &&
5f0547c2	102	respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) {
f3a57fd1 JP	103	netdev_info(priv->dev, "Invalid CMD_RESP %x to command %x!\n",
f3a57fd1 JP	104	respcmd, curcmd);
e1258177 DW	105	spin_unlock_irqrestore(&priv->driver_lock, flags);
	106	ret = -1;
	107	goto done;
	108	}
	109
8538823f DW	110	if (resp->result == cpu_to_le16(0x0004)) {
	111	/* 0x0004 means -EAGAIN. Drop the response, let it time out
	112	and be resubmitted */
f3a57fd1 JP	113	netdev_info(priv->dev,
	114	"Firmware returns DEFER to command %x. Will let it time out...\n",
	115	le16_to_cpu(resp->command));
8538823f DW	116	spin_unlock_irqrestore(&priv->driver_lock, flags);
	117	ret = -1;
	118	goto done;
	119	}
	120
e1258177 DW	121	/* Now we got response from FW, cancel the command timer */
e1258177 DW	122	del_timer(&priv->command_timer);
2a345099	123	priv->cmd_timed_out = 0;
876c9d3a	124
6b63cd0f	125	if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
0a7701b4 AK	126	/* struct cmd_ds_802_11_ps_mode also contains
	127	* the header
	128	*/
	129	struct cmd_ds_802_11_ps_mode psmode = (void )resp;
981f187b	130	u16 action = le16_to_cpu(psmode->action);
876c9d3a	131
a6c8700f HS	132	lbs_deb_host(
a6c8700f HS	133	"CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
981f187b	134	result, action);
876c9d3a MT	135
876c9d3a MT	136	if (result) {
a6c8700f	137	lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
981f187b DW	138	result);
	139	/*
	140	* We should not re-try enter-ps command in
	141	* ad-hoc mode. It takes place in
10078321	142	* lbs_execute_next_command().
981f187b	143	*/
e86dc1ca	144	if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR &&
0bb64087	145	action == PS_MODE_ACTION_ENTER_PS)
aa21c004	146	priv->psmode = LBS802_11POWERMODECAM;
0bb64087	147	} else if (action == PS_MODE_ACTION_ENTER_PS) {
aa21c004 DW	148	priv->needtowakeup = 0;
aa21c004 DW	149	priv->psstate = PS_STATE_AWAKE;
876c9d3a	150
a6c8700f	151	lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
aa21c004	152	if (priv->connect_status != LBS_CONNECTED) {
876c9d3a MT	153	/*
	154	* When Deauth Event received before Enter_PS command
	155	* response, We need to wake up the firmware.
	156	*/
a6c8700f	157	lbs_deb_host(
10078321	158	"disconnected, invoking lbs_ps_wakeup\n");
876c9d3a	159
aa21c004 DW	160	spin_unlock_irqrestore(&priv->driver_lock, flags);
aa21c004 DW	161	mutex_unlock(&priv->lock);
0bb64087 DW	162	lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS,
0bb64087 DW	163	false);
aa21c004 DW	164	mutex_lock(&priv->lock);
aa21c004 DW	165	spin_lock_irqsave(&priv->driver_lock, flags);
876c9d3a	166	}
0bb64087	167	} else if (action == PS_MODE_ACTION_EXIT_PS) {
aa21c004 DW	168	priv->needtowakeup = 0;
aa21c004 DW	169	priv->psstate = PS_STATE_FULL_POWER;
a6c8700f	170	lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
876c9d3a	171	} else {
a6c8700f	172	lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
876c9d3a MT	173	}
876c9d3a MT	174
df90d843	175	__lbs_complete_command(priv, priv->cur_cmd, result);
aa21c004	176	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	177
	178	ret = 0;
	179	goto done;
	180	}
	181
876c9d3a MT	182	/* If the command is not successful, cleanup and return failure */
876c9d3a MT	183	if ((result != 0 \|\| !(respcmd & 0x8000))) {
a6c8700f HS	184	lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
a6c8700f HS	185	result, respcmd);
876c9d3a MT	186	/*
	187	* Handling errors here
	188	*/
	189	switch (respcmd) {
6b63cd0f HS	190	case CMD_RET(CMD_GET_HW_SPEC):
6b63cd0f HS	191	case CMD_RET(CMD_802_11_RESET):
a6c8700f	192	lbs_deb_host("CMD_RESP: reset failed\n");
876c9d3a MT	193	break;
	194
	195	}
df90d843	196	__lbs_complete_command(priv, priv->cur_cmd, result);
aa21c004	197	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	198
	199	ret = -1;
	200	goto done;
	201	}
	202
aa21c004	203	spin_unlock_irqrestore(&priv->driver_lock, flags);
1723047d	204
7ad994de DW	205	if (priv->cur_cmd && priv->cur_cmd->callback) {
7ad994de DW	206	ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
ddac4526	207	resp);
81961128	208	}
1723047d	209
aa21c004	210	spin_lock_irqsave(&priv->driver_lock, flags);
1723047d	211
aa21c004	212	if (priv->cur_cmd) {
876c9d3a	213	/* Clean up and Put current command back to cmdfreeq */
df90d843	214	__lbs_complete_command(priv, priv->cur_cmd, result);
876c9d3a	215	}
aa21c004	216	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	217
876c9d3a MT	218	done:
aa21c004	219	mutex_unlock(&priv->lock);
876c9d3a MT	220	return ret;
	221	}
	222
7919b89c	223	int lbs_process_event(struct lbs_private *priv, u32 event)
876c9d3a MT	224	{
876c9d3a MT	225	int ret = 0;
66fceb69	226	struct cmd_header cmd;
876c9d3a	227
7919b89c	228	switch (event) {
876c9d3a	229	case MACREG_INT_CODE_LINK_SENSED:
d4ff0ef6	230	lbs_deb_cmd("EVENT: link sensed\n");
876c9d3a MT	231	break;
	232
	233	case MACREG_INT_CODE_DEAUTHENTICATED:
a6c8700f	234	lbs_deb_cmd("EVENT: deauthenticated\n");
80279fb7	235	lbs_mac_event_disconnected(priv, false);
876c9d3a MT	236	break;
	237
	238	case MACREG_INT_CODE_DISASSOCIATED:
a6c8700f	239	lbs_deb_cmd("EVENT: disassociated\n");
80279fb7	240	lbs_mac_event_disconnected(priv, false);
876c9d3a MT	241	break;
876c9d3a MT	242
0b3c07ff	243	case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
a6c8700f	244	lbs_deb_cmd("EVENT: link lost\n");
80279fb7	245	lbs_mac_event_disconnected(priv, true);
876c9d3a MT	246	break;
	247
	248	case MACREG_INT_CODE_PS_SLEEP:
d4ff0ef6	249	lbs_deb_cmd("EVENT: ps sleep\n");
876c9d3a MT	250
876c9d3a MT	251	/* handle unexpected PS SLEEP event */
aa21c004	252	if (priv->psstate == PS_STATE_FULL_POWER) {
9012b28a	253	lbs_deb_cmd(
77d84ff8	254	"EVENT: in FULL POWER mode, ignoring PS_SLEEP\n");
876c9d3a MT	255	break;
876c9d3a MT	256	}
57954b94 AK	257	if (!list_empty(&priv->cmdpendingq)) {
	258	lbs_deb_cmd("EVENT: commands in queue, do not sleep\n");
	259	break;
	260	}
aa21c004	261	priv->psstate = PS_STATE_PRE_SLEEP;
876c9d3a	262
d4ff0ef6	263	lbs_ps_confirm_sleep(priv);
876c9d3a MT	264
	265	break;
	266
b47ef243	267	case MACREG_INT_CODE_HOST_AWAKE:
d4ff0ef6	268	lbs_deb_cmd("EVENT: host awake\n");
49125454 AK	269	if (priv->reset_deep_sleep_wakeup)
	270	priv->reset_deep_sleep_wakeup(priv);
	271	priv->is_deep_sleep = 0;
66fceb69 AK	272	lbs_cmd_async(priv, CMD_802_11_WAKEUP_CONFIRM, &cmd,
	273	sizeof(cmd));
	274	priv->is_host_sleep_activated = 0;
	275	wake_up_interruptible(&priv->host_sleep_q);
b47ef243 DW	276	break;
b47ef243 DW	277
49125454 AK	278	case MACREG_INT_CODE_DEEP_SLEEP_AWAKE:
	279	if (priv->reset_deep_sleep_wakeup)
	280	priv->reset_deep_sleep_wakeup(priv);
	281	lbs_deb_cmd("EVENT: ds awake\n");
	282	priv->is_deep_sleep = 0;
	283	priv->wakeup_dev_required = 0;
	284	wake_up_interruptible(&priv->ds_awake_q);
	285	break;
	286
876c9d3a	287	case MACREG_INT_CODE_PS_AWAKE:
d4ff0ef6	288	lbs_deb_cmd("EVENT: ps awake\n");
876c9d3a	289	/* handle unexpected PS AWAKE event */
aa21c004	290	if (priv->psstate == PS_STATE_FULL_POWER) {
9012b28a	291	lbs_deb_cmd(
876c9d3a MT	292	"EVENT: In FULL POWER mode - ignore PS AWAKE\n");
	293	break;
	294	}
	295
aa21c004	296	priv->psstate = PS_STATE_AWAKE;
876c9d3a	297
aa21c004	298	if (priv->needtowakeup) {
876c9d3a MT	299	/*
	300	* wait for the command processing to finish
	301	* before resuming sending
aa21c004	302	* priv->needtowakeup will be set to FALSE
10078321	303	* in lbs_ps_wakeup()
876c9d3a	304	*/
a6c8700f	305	lbs_deb_cmd("waking up ...\n");
0bb64087	306	lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, false);
876c9d3a MT	307	}
	308	break;
	309
	310	case MACREG_INT_CODE_MIC_ERR_UNICAST:
9012b28a	311	lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
560c6338	312	lbs_send_mic_failureevent(priv, event);
876c9d3a MT	313	break;
	314
	315	case MACREG_INT_CODE_MIC_ERR_MULTICAST:
9012b28a	316	lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
560c6338	317	lbs_send_mic_failureevent(priv, event);
876c9d3a	318	break;
d4ff0ef6	319
876c9d3a	320	case MACREG_INT_CODE_MIB_CHANGED:
d4ff0ef6 HS	321	lbs_deb_cmd("EVENT: MIB CHANGED\n");
d4ff0ef6 HS	322	break;
876c9d3a	323	case MACREG_INT_CODE_INIT_DONE:
d4ff0ef6	324	lbs_deb_cmd("EVENT: INIT DONE\n");
876c9d3a	325	break;
876c9d3a	326	case MACREG_INT_CODE_ADHOC_BCN_LOST:
a6c8700f	327	lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
876c9d3a	328	break;
876c9d3a	329	case MACREG_INT_CODE_RSSI_LOW:
f3a57fd1	330	netdev_alert(priv->dev, "EVENT: rssi low\n");
876c9d3a MT	331	break;
876c9d3a MT	332	case MACREG_INT_CODE_SNR_LOW:
f3a57fd1	333	netdev_alert(priv->dev, "EVENT: snr low\n");
876c9d3a MT	334	break;
876c9d3a MT	335	case MACREG_INT_CODE_MAX_FAIL:
f3a57fd1	336	netdev_alert(priv->dev, "EVENT: max fail\n");
876c9d3a MT	337	break;
876c9d3a MT	338	case MACREG_INT_CODE_RSSI_HIGH:
f3a57fd1	339	netdev_alert(priv->dev, "EVENT: rssi high\n");
876c9d3a MT	340	break;
876c9d3a MT	341	case MACREG_INT_CODE_SNR_HIGH:
f3a57fd1	342	netdev_alert(priv->dev, "EVENT: snr high\n");
876c9d3a MT	343	break;
876c9d3a MT	344
7d8d28b3	345	case MACREG_INT_CODE_MESH_AUTO_STARTED:
d6ede678	346	/* Ignore spurious autostart events */
f3a57fd1	347	netdev_info(priv->dev, "EVENT: MESH_AUTO_STARTED (ignoring)\n");
7d8d28b3 LCCR	348	break;
7d8d28b3 LCCR	349
876c9d3a	350	default:
f3a57fd1	351	netdev_alert(priv->dev, "EVENT: unknown event id %d\n", event);
876c9d3a MT	352	break;
	353	}
	354
876c9d3a MT	355	return ret;
876c9d3a MT	356	}