[deliverable/linux.git] / drivers / net / wireless / libertas / cmdresp.c

/**
  * This file contains the handling of command
  * responses as well as events generated by firmware.
  */
#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"

/**
 *  @brief This function handles disconnect event. it
 *  reports disconnect to upper layer, clean tx/rx packets,
 *  reset link state etc.
 *
 *  @param priv    A pointer to struct lbs_private structure
 *  @return 	   n/a
 */
void lbs_mac_event_disconnected(struct lbs_private *priv)
{
	if (priv->connect_status != LBS_CONNECTED)
		return;

	lbs_deb_enter(LBS_DEB_ASSOC);

	/*
	 * 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);

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

	/* Free Tx and Rx packets */
	kfree_skb(priv->currenttxskb);
	priv->currenttxskb = NULL;
	priv->tx_pending_len = 0;

	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_ps_wakeup(priv, 0);
	}
	lbs_deb_leave(LBS_DEB_ASSOC);
}

static inline int handle_cmd_response(struct lbs_private *priv,
				      struct cmd_header *cmd_response)
{
	struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
	int ret = 0;
	uint16_t respcmd = le16_to_cpu(resp->command);

	lbs_deb_enter(LBS_DEB_HOST);

	switch (respcmd) {
	case CMD_RET(CMD_802_11_BEACON_STOP):
		break;

	default:
		lbs_pr_err("CMD_RESP: unknown cmd response 0x%04x\n",
			   le16_to_cpu(resp->command));
		break;
	}
	lbs_deb_leave(LBS_DEB_HOST);
	return ret;
}

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;

	lbs_deb_enter(LBS_DEB_HOST);

	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) {
		lbs_pr_info("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) {
		lbs_pr_info("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 */
		lbs_pr_info("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;

	/* Store the response code to cur_cmd_retcode. */
	priv->cur_cmd_retcode = result;

	if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
		struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1];
		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 == CMD_SUBCMD_ENTER_PS)
				priv->psmode = LBS802_11POWERMODECAM;
		} else if (action == CMD_SUBCMD_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_ps_wakeup(priv, 0);
				mutex_lock(&priv->lock);
				spin_lock_irqsave(&priv->driver_lock, flags);
			}
		} else if (action == CMD_SUBCMD_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);
	} else
		ret = handle_cmd_response(priv, 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);
	lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
	return ret;
}

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

	lbs_deb_enter(LBS_DEB_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);
		break;

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

	case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
		lbs_deb_cmd("EVENT: link lost\n");
		lbs_mac_event_disconnected(priv);
		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, ignoreing PS_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_ps_wakeup(priv, 0);
		}
		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:
		lbs_pr_alert("EVENT: rssi low\n");
		break;
	case MACREG_INT_CODE_SNR_LOW:
		lbs_pr_alert("EVENT: snr low\n");
		break;
	case MACREG_INT_CODE_MAX_FAIL:
		lbs_pr_alert("EVENT: max fail\n");
		break;
	case MACREG_INT_CODE_RSSI_HIGH:
		lbs_pr_alert("EVENT: rssi high\n");
		break;
	case MACREG_INT_CODE_SNR_HIGH:
		lbs_pr_alert("EVENT: snr high\n");
		break;

	case MACREG_INT_CODE_MESH_AUTO_STARTED:
		/* Ignore spurious autostart events */
		lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
		break;

	default:
		lbs_pr_alert("EVENT: unknown event id %d\n", event);
		break;
	}

	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
	return ret;
}
Commit	Line	Data
876c9d3a MT	1	/**
	2	* This file contains the handling of command
	3	* responses as well as events generated by firmware.
	4	*/
5a0e3ad6	5	#include <linux/slab.h>
876c9d3a	6	#include <linux/delay.h>
767e366f	7	#include <linux/sched.h>
2c5b9e51	8	#include <asm/unaligned.h>
e86dc1ca	9	#include <net/cfg80211.h>
876c9d3a	10
e86dc1ca	11	#include "cfg.h"
66fceb69	12	#include "cmd.h"
876c9d3a MT	13
	14	/**
	15	* @brief This function handles disconnect event. it
	16	* reports disconnect to upper layer, clean tx/rx packets,
	17	* reset link state etc.
	18	*
69f9032d	19	* @param priv A pointer to struct lbs_private structure
876c9d3a MT	20	* @return n/a
876c9d3a MT	21	*/
69f9032d	22	void lbs_mac_event_disconnected(struct lbs_private *priv)
876c9d3a	23	{
aa21c004	24	if (priv->connect_status != LBS_CONNECTED)
876c9d3a MT	25	return;
876c9d3a MT	26
91843463	27	lbs_deb_enter(LBS_DEB_ASSOC);
876c9d3a	28
876c9d3a MT	29	/*
	30	* Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
	31	* It causes problem in the Supplicant
	32	*/
876c9d3a	33	msleep_interruptible(1000);
e4fe4eaf KD	34
	35	if (priv->wdev->iftype == NL80211_IFTYPE_STATION)
	36	lbs_send_disconnect_notification(priv);
876c9d3a	37
876c9d3a	38	/* report disconnect to upper layer */
634b8f49 HS	39	netif_stop_queue(priv->dev);
634b8f49 HS	40	netif_carrier_off(priv->dev);
876c9d3a	41
a27b9f96 DW	42	/* Free Tx and Rx packets */
	43	kfree_skb(priv->currenttxskb);
	44	priv->currenttxskb = NULL;
	45	priv->tx_pending_len = 0;
	46
aa21c004	47	priv->connect_status = LBS_DISCONNECTED;
876c9d3a	48
aa21c004	49	if (priv->psstate != PS_STATE_FULL_POWER) {
876c9d3a	50	/* make firmware to exit PS mode */
a6c8700f	51	lbs_deb_cmd("disconnected, so exit PS mode\n");
10078321	52	lbs_ps_wakeup(priv, 0);
876c9d3a	53	}
52507c20	54	lbs_deb_leave(LBS_DEB_ASSOC);
876c9d3a MT	55	}
876c9d3a MT	56
1309b55b	57	static inline int handle_cmd_response(struct lbs_private *priv,
ddac4526	58	struct cmd_header *cmd_response)
876c9d3a	59	{
ddac4526	60	struct cmd_ds_command resp = (struct cmd_ds_command ) cmd_response;
876c9d3a	61	int ret = 0;
1309b55b	62	uint16_t respcmd = le16_to_cpu(resp->command);
876c9d3a	63
a6c8700f HS	64	lbs_deb_enter(LBS_DEB_HOST);
a6c8700f HS	65
876c9d3a	66	switch (respcmd) {
6b63cd0f	67	case CMD_RET(CMD_802_11_BEACON_STOP):
18c96c34 DW	68	break;
18c96c34 DW	69
876c9d3a	70	default:
e37fc6e1 DW	71	lbs_pr_err("CMD_RESP: unknown cmd response 0x%04x\n",
e37fc6e1 DW	72	le16_to_cpu(resp->command));
876c9d3a MT	73	break;
876c9d3a MT	74	}
a6c8700f	75	lbs_deb_leave(LBS_DEB_HOST);
876c9d3a MT	76	return ret;
	77	}
	78
7919b89c	79	int lbs_process_command_response(struct lbs_private priv, u8 data, u32 len)
876c9d3a	80	{
e1258177	81	uint16_t respcmd, curcmd;
ddac4526	82	struct cmd_header *resp;
876c9d3a	83	int ret = 0;
e1258177 DW	84	unsigned long flags;
e1258177 DW	85	uint16_t result;
876c9d3a	86
a6c8700f	87	lbs_deb_enter(LBS_DEB_HOST);
876c9d3a	88
aa21c004 DW	89	mutex_lock(&priv->lock);
aa21c004 DW	90	spin_lock_irqsave(&priv->driver_lock, flags);
876c9d3a	91
aa21c004	92	if (!priv->cur_cmd) {
a6c8700f	93	lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
876c9d3a	94	ret = -1;
aa21c004	95	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	96	goto done;
876c9d3a MT	97	}
e1258177	98
7919b89c	99	resp = (void *)data;
8a96df80	100	curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
876c9d3a	101	respcmd = le16_to_cpu(resp->command);
876c9d3a MT	102	result = le16_to_cpu(resp->result);
876c9d3a MT	103
e5225b39	104	lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
7919b89c HS	105	respcmd, le16_to_cpu(resp->seqnum), len);
7919b89c HS	106	lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len);
876c9d3a	107
6305f498	108	if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
e1258177	109	lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n",
6305f498	110	le16_to_cpu(resp->seqnum), le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
aa21c004	111	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	112	ret = -1;
	113	goto done;
	114	}
e1258177	115	if (respcmd != CMD_RET(curcmd) &&
5f0547c2	116	respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) {
e1258177 DW	117	lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd);
	118	spin_unlock_irqrestore(&priv->driver_lock, flags);
	119	ret = -1;
	120	goto done;
	121	}
	122
8538823f DW	123	if (resp->result == cpu_to_le16(0x0004)) {
	124	/* 0x0004 means -EAGAIN. Drop the response, let it time out
	125	and be resubmitted */
	126	lbs_pr_info("Firmware returns DEFER to command %x. Will let it time out...\n",
	127	le16_to_cpu(resp->command));
	128	spin_unlock_irqrestore(&priv->driver_lock, flags);
	129	ret = -1;
	130	goto done;
	131	}
	132
e1258177 DW	133	/* Now we got response from FW, cancel the command timer */
e1258177 DW	134	del_timer(&priv->command_timer);
2a345099	135	priv->cmd_timed_out = 0;
876c9d3a MT	136
876c9d3a MT	137	/* Store the response code to cur_cmd_retcode. */
aa21c004	138	priv->cur_cmd_retcode = result;
876c9d3a	139
6b63cd0f	140	if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
38bfab1a	141	struct cmd_ds_802_11_ps_mode psmode = (void ) &resp[1];
981f187b	142	u16 action = le16_to_cpu(psmode->action);
876c9d3a	143
a6c8700f HS	144	lbs_deb_host(
a6c8700f HS	145	"CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
981f187b	146	result, action);
876c9d3a MT	147
876c9d3a MT	148	if (result) {
a6c8700f	149	lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
981f187b DW	150	result);
	151	/*
	152	* We should not re-try enter-ps command in
	153	* ad-hoc mode. It takes place in
10078321	154	* lbs_execute_next_command().
981f187b	155	*/
e86dc1ca	156	if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR &&
0aef64d7	157	action == CMD_SUBCMD_ENTER_PS)
aa21c004	158	priv->psmode = LBS802_11POWERMODECAM;
0aef64d7	159	} else if (action == CMD_SUBCMD_ENTER_PS) {
aa21c004 DW	160	priv->needtowakeup = 0;
aa21c004 DW	161	priv->psstate = PS_STATE_AWAKE;
876c9d3a	162
a6c8700f	163	lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
aa21c004	164	if (priv->connect_status != LBS_CONNECTED) {
876c9d3a MT	165	/*
	166	* When Deauth Event received before Enter_PS command
	167	* response, We need to wake up the firmware.
	168	*/
a6c8700f	169	lbs_deb_host(
10078321	170	"disconnected, invoking lbs_ps_wakeup\n");
876c9d3a	171
aa21c004 DW	172	spin_unlock_irqrestore(&priv->driver_lock, flags);
aa21c004 DW	173	mutex_unlock(&priv->lock);
10078321	174	lbs_ps_wakeup(priv, 0);
aa21c004 DW	175	mutex_lock(&priv->lock);
aa21c004 DW	176	spin_lock_irqsave(&priv->driver_lock, flags);
876c9d3a	177	}
0aef64d7	178	} else if (action == CMD_SUBCMD_EXIT_PS) {
aa21c004 DW	179	priv->needtowakeup = 0;
aa21c004 DW	180	priv->psstate = PS_STATE_FULL_POWER;
a6c8700f	181	lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
876c9d3a	182	} else {
a6c8700f	183	lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
876c9d3a MT	184	}
876c9d3a MT	185
183aeac1	186	lbs_complete_command(priv, priv->cur_cmd, result);
aa21c004	187	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	188
	189	ret = 0;
	190	goto done;
	191	}
	192
876c9d3a MT	193	/* If the command is not successful, cleanup and return failure */
876c9d3a MT	194	if ((result != 0 \|\| !(respcmd & 0x8000))) {
a6c8700f HS	195	lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
a6c8700f HS	196	result, respcmd);
876c9d3a MT	197	/*
	198	* Handling errors here
	199	*/
	200	switch (respcmd) {
6b63cd0f HS	201	case CMD_RET(CMD_GET_HW_SPEC):
6b63cd0f HS	202	case CMD_RET(CMD_802_11_RESET):
a6c8700f	203	lbs_deb_host("CMD_RESP: reset failed\n");
876c9d3a MT	204	break;
	205
	206	}
183aeac1	207	lbs_complete_command(priv, priv->cur_cmd, result);
aa21c004	208	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	209
	210	ret = -1;
	211	goto done;
	212	}
	213
aa21c004	214	spin_unlock_irqrestore(&priv->driver_lock, flags);
1723047d	215
7ad994de DW	216	if (priv->cur_cmd && priv->cur_cmd->callback) {
7ad994de DW	217	ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
ddac4526	218	resp);
7ad994de	219	} else
e98a88dd	220	ret = handle_cmd_response(priv, resp);
1723047d	221
aa21c004	222	spin_lock_irqsave(&priv->driver_lock, flags);
1723047d	223
aa21c004	224	if (priv->cur_cmd) {
876c9d3a	225	/* Clean up and Put current command back to cmdfreeq */
183aeac1	226	lbs_complete_command(priv, priv->cur_cmd, result);
876c9d3a	227	}
aa21c004	228	spin_unlock_irqrestore(&priv->driver_lock, flags);
876c9d3a MT	229
876c9d3a MT	230	done:
aa21c004	231	mutex_unlock(&priv->lock);
a6c8700f	232	lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
876c9d3a MT	233	return ret;
	234	}
	235
7919b89c	236	int lbs_process_event(struct lbs_private *priv, u32 event)
876c9d3a MT	237	{
876c9d3a MT	238	int ret = 0;
66fceb69	239	struct cmd_header cmd;
876c9d3a	240
9556d212 HS	241	lbs_deb_enter(LBS_DEB_CMD);
9556d212 HS	242
7919b89c	243	switch (event) {
876c9d3a	244	case MACREG_INT_CODE_LINK_SENSED:
d4ff0ef6	245	lbs_deb_cmd("EVENT: link sensed\n");
876c9d3a MT	246	break;
	247
	248	case MACREG_INT_CODE_DEAUTHENTICATED:
a6c8700f	249	lbs_deb_cmd("EVENT: deauthenticated\n");
10078321	250	lbs_mac_event_disconnected(priv);
876c9d3a MT	251	break;
	252
	253	case MACREG_INT_CODE_DISASSOCIATED:
a6c8700f	254	lbs_deb_cmd("EVENT: disassociated\n");
10078321	255	lbs_mac_event_disconnected(priv);
876c9d3a MT	256	break;
876c9d3a MT	257
0b3c07ff	258	case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
a6c8700f	259	lbs_deb_cmd("EVENT: link lost\n");
10078321	260	lbs_mac_event_disconnected(priv);
876c9d3a MT	261	break;
	262
	263	case MACREG_INT_CODE_PS_SLEEP:
d4ff0ef6	264	lbs_deb_cmd("EVENT: ps sleep\n");
876c9d3a MT	265
876c9d3a MT	266	/* handle unexpected PS SLEEP event */
aa21c004	267	if (priv->psstate == PS_STATE_FULL_POWER) {
9012b28a	268	lbs_deb_cmd(
a6c8700f	269	"EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
876c9d3a MT	270	break;
876c9d3a MT	271	}
aa21c004	272	priv->psstate = PS_STATE_PRE_SLEEP;
876c9d3a	273
d4ff0ef6	274	lbs_ps_confirm_sleep(priv);
876c9d3a MT	275
	276	break;
	277
b47ef243	278	case MACREG_INT_CODE_HOST_AWAKE:
d4ff0ef6	279	lbs_deb_cmd("EVENT: host awake\n");
49125454 AK	280	if (priv->reset_deep_sleep_wakeup)
	281	priv->reset_deep_sleep_wakeup(priv);
	282	priv->is_deep_sleep = 0;
66fceb69 AK	283	lbs_cmd_async(priv, CMD_802_11_WAKEUP_CONFIRM, &cmd,
	284	sizeof(cmd));
	285	priv->is_host_sleep_activated = 0;
	286	wake_up_interruptible(&priv->host_sleep_q);
b47ef243 DW	287	break;
b47ef243 DW	288
49125454 AK	289	case MACREG_INT_CODE_DEEP_SLEEP_AWAKE:
	290	if (priv->reset_deep_sleep_wakeup)
	291	priv->reset_deep_sleep_wakeup(priv);
	292	lbs_deb_cmd("EVENT: ds awake\n");
	293	priv->is_deep_sleep = 0;
	294	priv->wakeup_dev_required = 0;
	295	wake_up_interruptible(&priv->ds_awake_q);
	296	break;
	297
876c9d3a	298	case MACREG_INT_CODE_PS_AWAKE:
d4ff0ef6	299	lbs_deb_cmd("EVENT: ps awake\n");
876c9d3a	300	/* handle unexpected PS AWAKE event */
aa21c004	301	if (priv->psstate == PS_STATE_FULL_POWER) {
9012b28a	302	lbs_deb_cmd(
876c9d3a MT	303	"EVENT: In FULL POWER mode - ignore PS AWAKE\n");
	304	break;
	305	}
	306
aa21c004	307	priv->psstate = PS_STATE_AWAKE;
876c9d3a	308
aa21c004	309	if (priv->needtowakeup) {
876c9d3a MT	310	/*
	311	* wait for the command processing to finish
	312	* before resuming sending
aa21c004	313	* priv->needtowakeup will be set to FALSE
10078321	314	* in lbs_ps_wakeup()
876c9d3a	315	*/
a6c8700f	316	lbs_deb_cmd("waking up ...\n");
10078321	317	lbs_ps_wakeup(priv, 0);
876c9d3a MT	318	}
	319	break;
	320
	321	case MACREG_INT_CODE_MIC_ERR_UNICAST:
9012b28a	322	lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
560c6338	323	lbs_send_mic_failureevent(priv, event);
876c9d3a MT	324	break;
	325
	326	case MACREG_INT_CODE_MIC_ERR_MULTICAST:
9012b28a	327	lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
560c6338	328	lbs_send_mic_failureevent(priv, event);
876c9d3a	329	break;
d4ff0ef6	330
876c9d3a	331	case MACREG_INT_CODE_MIB_CHANGED:
d4ff0ef6 HS	332	lbs_deb_cmd("EVENT: MIB CHANGED\n");
d4ff0ef6 HS	333	break;
876c9d3a	334	case MACREG_INT_CODE_INIT_DONE:
d4ff0ef6	335	lbs_deb_cmd("EVENT: INIT DONE\n");
876c9d3a	336	break;
876c9d3a	337	case MACREG_INT_CODE_ADHOC_BCN_LOST:
a6c8700f	338	lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
876c9d3a	339	break;
876c9d3a	340	case MACREG_INT_CODE_RSSI_LOW:
a6c8700f	341	lbs_pr_alert("EVENT: rssi low\n");
876c9d3a MT	342	break;
876c9d3a MT	343	case MACREG_INT_CODE_SNR_LOW:
a6c8700f	344	lbs_pr_alert("EVENT: snr low\n");
876c9d3a MT	345	break;
876c9d3a MT	346	case MACREG_INT_CODE_MAX_FAIL:
a6c8700f	347	lbs_pr_alert("EVENT: max fail\n");
876c9d3a MT	348	break;
876c9d3a MT	349	case MACREG_INT_CODE_RSSI_HIGH:
a6c8700f	350	lbs_pr_alert("EVENT: rssi high\n");
876c9d3a MT	351	break;
876c9d3a MT	352	case MACREG_INT_CODE_SNR_HIGH:
a6c8700f	353	lbs_pr_alert("EVENT: snr high\n");
876c9d3a MT	354	break;
876c9d3a MT	355
7d8d28b3	356	case MACREG_INT_CODE_MESH_AUTO_STARTED:
d6ede678 HS	357	/* Ignore spurious autostart events */
d6ede678 HS	358	lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
7d8d28b3 LCCR	359	break;
7d8d28b3 LCCR	360
876c9d3a	361	default:
7919b89c	362	lbs_pr_alert("EVENT: unknown event id %d\n", event);
876c9d3a MT	363	break;
	364	}
	365
9556d212	366	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
876c9d3a MT	367	return ret;
876c9d3a MT	368	}