#include "target.h"
#include "debug.h"
-struct ath6kl_sta *ath6kl_find_sta(struct ath6kl *ar, u8 *node_addr)
+struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr)
{
- /* TODO: Findout vif */
- struct ath6kl_vif *vif = ar->vif;
+ struct ath6kl *ar = vif->ar;
struct ath6kl_sta *conn = NULL;
u8 i, max_conn;
#define AR6003_RESET_CONTROL_ADDRESS 0x00004000
#define AR6004_RESET_CONTROL_ADDRESS 0x00004000
-static void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
- bool wait_fot_compltn, bool cold_reset)
+void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
+ bool wait_fot_compltn, bool cold_reset)
{
int status = 0;
u32 address;
ath6kl_err("failed to reset target\n");
}
-void ath6kl_stop_endpoint(struct net_device *dev, bool keep_profile,
- bool get_dbglogs)
-{
- struct ath6kl *ar = ath6kl_priv(dev);
- struct ath6kl_vif *vif = netdev_priv(dev);
- static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- bool discon_issued;
-
- netif_stop_queue(dev);
-
- /* disable the target and the interrupts associated with it */
- if (test_bit(WMI_READY, &ar->flag)) {
- discon_issued = (test_bit(CONNECTED, &vif->flags) ||
- test_bit(CONNECT_PEND, &vif->flags));
- ath6kl_disconnect(vif);
- if (!keep_profile)
- ath6kl_init_profile_info(ar);
-
- del_timer(&vif->disconnect_timer);
-
- clear_bit(WMI_READY, &ar->flag);
- ath6kl_wmi_shutdown(ar->wmi);
- clear_bit(WMI_ENABLED, &ar->flag);
- ar->wmi = NULL;
-
- /*
- * After wmi_shudown all WMI events will be dropped. We
- * need to cleanup the buffers allocated in AP mode and
- * give disconnect notification to stack, which usually
- * happens in the disconnect_event. Simulate the disconnect
- * event by calling the function directly. Sometimes
- * disconnect_event will be received when the debug logs
- * are collected.
- */
- if (discon_issued)
- ath6kl_disconnect_event(vif, DISCONNECT_CMD,
- (vif->nw_type & AP_NETWORK) ?
- bcast_mac : vif->bssid,
- 0, NULL, 0);
-
- ar->user_key_ctrl = 0;
-
- } else {
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "%s: wmi is not ready 0x%p 0x%p\n",
- __func__, ar, ar->wmi);
-
- /* Shut down WMI if we have started it */
- if (test_bit(WMI_ENABLED, &ar->flag)) {
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "%s: shut down wmi\n", __func__);
- ath6kl_wmi_shutdown(ar->wmi);
- clear_bit(WMI_ENABLED, &ar->flag);
- ar->wmi = NULL;
- }
- }
-
- if (ar->htc_target) {
- ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
- ath6kl_htc_stop(ar->htc_target);
- }
-
- /*
- * Try to reset the device if we can. The driver may have been
- * configure NOT to reset the target during a debug session.
- */
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "attempting to reset target on instance destroy\n");
- ath6kl_reset_device(ar, ar->target_type, true, true);
-}
-
static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif)
{
u8 index;
WEP_CRYPT,
keyusage,
vif->wep_key_list[index].key_len,
- NULL,
+ NULL, 0,
vif->wep_key_list[index].key,
KEY_OP_INIT_VAL, NULL,
NO_SYNC_WMIFLAG);
memset(key_rsc, 0, sizeof(key_rsc));
res = ath6kl_wmi_addkey_cmd(
ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type,
- GROUP_USAGE, ik->key_len, key_rsc, ik->key,
+ GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN,
+ ik->key,
KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG);
if (res) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed "
netif_wake_queue(vif->ndev);
}
-/* Functions for Tx credit handling */
-void ath6k_credit_init(struct htc_credit_state_info *cred_info,
- struct list_head *ep_list,
- int tot_credits)
-{
- struct htc_endpoint_credit_dist *cur_ep_dist;
- int count;
-
- cred_info->cur_free_credits = tot_credits;
- cred_info->total_avail_credits = tot_credits;
-
- list_for_each_entry(cur_ep_dist, ep_list, list) {
- if (cur_ep_dist->endpoint == ENDPOINT_0)
- continue;
-
- cur_ep_dist->cred_min = cur_ep_dist->cred_per_msg;
-
- if (tot_credits > 4)
- if ((cur_ep_dist->svc_id == WMI_DATA_BK_SVC) ||
- (cur_ep_dist->svc_id == WMI_DATA_BE_SVC)) {
- ath6kl_deposit_credit_to_ep(cred_info,
- cur_ep_dist,
- cur_ep_dist->cred_min);
- cur_ep_dist->dist_flags |= HTC_EP_ACTIVE;
- }
-
- if (cur_ep_dist->svc_id == WMI_CONTROL_SVC) {
- ath6kl_deposit_credit_to_ep(cred_info, cur_ep_dist,
- cur_ep_dist->cred_min);
- /*
- * Control service is always marked active, it
- * never goes inactive EVER.
- */
- cur_ep_dist->dist_flags |= HTC_EP_ACTIVE;
- } else if (cur_ep_dist->svc_id == WMI_DATA_BK_SVC)
- /* this is the lowest priority data endpoint */
- cred_info->lowestpri_ep_dist = cur_ep_dist->list;
-
- /*
- * Streams have to be created (explicit | implicit) for all
- * kinds of traffic. BE endpoints are also inactive in the
- * beginning. When BE traffic starts it creates implicit
- * streams that redistributes credits.
- *
- * Note: all other endpoints have minimums set but are
- * initially given NO credits. credits will be distributed
- * as traffic activity demands
- */
- }
-
- WARN_ON(cred_info->cur_free_credits <= 0);
-
- list_for_each_entry(cur_ep_dist, ep_list, list) {
- if (cur_ep_dist->endpoint == ENDPOINT_0)
- continue;
-
- if (cur_ep_dist->svc_id == WMI_CONTROL_SVC)
- cur_ep_dist->cred_norm = cur_ep_dist->cred_per_msg;
- else {
- /*
- * For the remaining data endpoints, we assume that
- * each cred_per_msg are the same. We use a simple
- * calculation here, we take the remaining credits
- * and determine how many max messages this can
- * cover and then set each endpoint's normal value
- * equal to 3/4 this amount.
- */
- count = (cred_info->cur_free_credits /
- cur_ep_dist->cred_per_msg)
- * cur_ep_dist->cred_per_msg;
- count = (count * 3) >> 2;
- count = max(count, cur_ep_dist->cred_per_msg);
- cur_ep_dist->cred_norm = count;
-
- }
- }
-}
-
-/* initialize and setup credit distribution */
-int ath6k_setup_credit_dist(void *htc_handle,
- struct htc_credit_state_info *cred_info)
-{
- u16 servicepriority[5];
-
- memset(cred_info, 0, sizeof(struct htc_credit_state_info));
-
- servicepriority[0] = WMI_CONTROL_SVC; /* highest */
- servicepriority[1] = WMI_DATA_VO_SVC;
- servicepriority[2] = WMI_DATA_VI_SVC;
- servicepriority[3] = WMI_DATA_BE_SVC;
- servicepriority[4] = WMI_DATA_BK_SVC; /* lowest */
-
- /* set priority list */
- ath6kl_htc_set_credit_dist(htc_handle, cred_info, servicepriority, 5);
-
- return 0;
-}
-
-/* reduce an ep's credits back to a set limit */
-static void ath6k_reduce_credits(struct htc_credit_state_info *cred_info,
- struct htc_endpoint_credit_dist *ep_dist,
- int limit)
-{
- int credits;
-
- ep_dist->cred_assngd = limit;
-
- if (ep_dist->credits <= limit)
- return;
-
- credits = ep_dist->credits - limit;
- ep_dist->credits -= credits;
- cred_info->cur_free_credits += credits;
-}
-
-static void ath6k_credit_update(struct htc_credit_state_info *cred_info,
- struct list_head *epdist_list)
-{
- struct htc_endpoint_credit_dist *cur_dist_list;
-
- list_for_each_entry(cur_dist_list, epdist_list, list) {
- if (cur_dist_list->endpoint == ENDPOINT_0)
- continue;
-
- if (cur_dist_list->cred_to_dist > 0) {
- cur_dist_list->credits +=
- cur_dist_list->cred_to_dist;
- cur_dist_list->cred_to_dist = 0;
- if (cur_dist_list->credits >
- cur_dist_list->cred_assngd)
- ath6k_reduce_credits(cred_info,
- cur_dist_list,
- cur_dist_list->cred_assngd);
-
- if (cur_dist_list->credits >
- cur_dist_list->cred_norm)
- ath6k_reduce_credits(cred_info, cur_dist_list,
- cur_dist_list->cred_norm);
-
- if (!(cur_dist_list->dist_flags & HTC_EP_ACTIVE)) {
- if (cur_dist_list->txq_depth == 0)
- ath6k_reduce_credits(cred_info,
- cur_dist_list, 0);
- }
- }
- }
-}
-
-/*
- * HTC has an endpoint that needs credits, ep_dist is the endpoint in
- * question.
- */
-void ath6k_seek_credits(struct htc_credit_state_info *cred_info,
- struct htc_endpoint_credit_dist *ep_dist)
-{
- struct htc_endpoint_credit_dist *curdist_list;
- int credits = 0;
- int need;
-
- if (ep_dist->svc_id == WMI_CONTROL_SVC)
- goto out;
-
- if ((ep_dist->svc_id == WMI_DATA_VI_SVC) ||
- (ep_dist->svc_id == WMI_DATA_VO_SVC))
- if ((ep_dist->cred_assngd >= ep_dist->cred_norm))
- goto out;
-
- /*
- * For all other services, we follow a simple algorithm of:
- *
- * 1. checking the free pool for credits
- * 2. checking lower priority endpoints for credits to take
- */
-
- credits = min(cred_info->cur_free_credits, ep_dist->seek_cred);
-
- if (credits >= ep_dist->seek_cred)
- goto out;
-
- /*
- * We don't have enough in the free pool, try taking away from
- * lower priority services The rule for taking away credits:
- *
- * 1. Only take from lower priority endpoints
- * 2. Only take what is allocated above the minimum (never
- * starve an endpoint completely)
- * 3. Only take what you need.
- */
-
- list_for_each_entry_reverse(curdist_list,
- &cred_info->lowestpri_ep_dist,
- list) {
- if (curdist_list == ep_dist)
- break;
-
- need = ep_dist->seek_cred - cred_info->cur_free_credits;
-
- if ((curdist_list->cred_assngd - need) >=
- curdist_list->cred_min) {
- /*
- * The current one has been allocated more than
- * it's minimum and it has enough credits assigned
- * above it's minimum to fulfill our need try to
- * take away just enough to fulfill our need.
- */
- ath6k_reduce_credits(cred_info, curdist_list,
- curdist_list->cred_assngd - need);
-
- if (cred_info->cur_free_credits >=
- ep_dist->seek_cred)
- break;
- }
-
- if (curdist_list->endpoint == ENDPOINT_0)
- break;
- }
-
- credits = min(cred_info->cur_free_credits, ep_dist->seek_cred);
-
-out:
- /* did we find some credits? */
- if (credits)
- ath6kl_deposit_credit_to_ep(cred_info, ep_dist, credits);
-
- ep_dist->seek_cred = 0;
-}
-
-/* redistribute credits based on activity change */
-static void ath6k_redistribute_credits(struct htc_credit_state_info *info,
- struct list_head *ep_dist_list)
-{
- struct htc_endpoint_credit_dist *curdist_list;
-
- list_for_each_entry(curdist_list, ep_dist_list, list) {
- if (curdist_list->endpoint == ENDPOINT_0)
- continue;
-
- if ((curdist_list->svc_id == WMI_DATA_BK_SVC) ||
- (curdist_list->svc_id == WMI_DATA_BE_SVC))
- curdist_list->dist_flags |= HTC_EP_ACTIVE;
-
- if ((curdist_list->svc_id != WMI_CONTROL_SVC) &&
- !(curdist_list->dist_flags & HTC_EP_ACTIVE)) {
- if (curdist_list->txq_depth == 0)
- ath6k_reduce_credits(info,
- curdist_list, 0);
- else
- ath6k_reduce_credits(info,
- curdist_list,
- curdist_list->cred_min);
- }
- }
-}
-
-/*
- *
- * This function is invoked whenever endpoints require credit
- * distributions. A lock is held while this function is invoked, this
- * function shall NOT block. The ep_dist_list is a list of distribution
- * structures in prioritized order as defined by the call to the
- * htc_set_credit_dist() api.
- */
-void ath6k_credit_distribute(struct htc_credit_state_info *cred_info,
- struct list_head *ep_dist_list,
- enum htc_credit_dist_reason reason)
-{
- switch (reason) {
- case HTC_CREDIT_DIST_SEND_COMPLETE:
- ath6k_credit_update(cred_info, ep_dist_list);
- break;
- case HTC_CREDIT_DIST_ACTIVITY_CHANGE:
- ath6k_redistribute_credits(cred_info, ep_dist_list);
- break;
- default:
- break;
- }
-
- WARN_ON(cred_info->cur_free_credits > cred_info->total_avail_credits);
- WARN_ON(cred_info->cur_free_credits < 0);
-}
-
void disconnect_timer_handler(unsigned long ptr)
{
struct net_device *dev = (struct net_device *)ptr;
struct ath6kl_vif *vif = netdev_priv(dev);
- ath6kl_init_profile_info(vif->ar);
+ ath6kl_init_profile_info(vif);
ath6kl_disconnect(vif);
}
}
}
-void ath6kl_deep_sleep_enable(struct ath6kl *ar)
-{
- /* TODO: Pass vif instead of taking it from ar */
- struct ath6kl_vif *vif = ar->vif;
-
- switch (vif->sme_state) {
- case SME_CONNECTING:
- cfg80211_connect_result(ar->net_dev, vif->bssid, NULL, 0,
- NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
- break;
- case SME_CONNECTED:
- default:
- /*
- * FIXME: oddly enough smeState is in DISCONNECTED during
- * suspend, why? Need to send disconnected event in that
- * state.
- */
- cfg80211_disconnected(ar->net_dev, 0, NULL, 0, GFP_KERNEL);
- break;
- }
-
- if (test_bit(CONNECTED, &vif->flags) ||
- test_bit(CONNECT_PEND, &vif->flags))
- ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
-
- vif->sme_state = SME_DISCONNECTED;
-
- /* disable scanning */
- if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 0, 0,
- 0, 0, 0, 0, 0, 0, 0) != 0)
- printk(KERN_WARNING "ath6kl: failed to disable scan "
- "during suspend\n");
-
- ath6kl_cfg80211_scan_complete_event(vif, -ECANCELED);
-
- /* save the current power mode before enabling power save */
- ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
-
- if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
- ath6kl_warn("ath6kl_deep_sleep_enable: "
- "wmi_powermode_cmd failed\n");
-}
-
/* WMI Event handlers */
static const char *get_hw_id_string(u32 id)
void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver)
{
struct ath6kl *ar = devt;
- struct net_device *dev = ar->net_dev;
- memcpy(dev->dev_addr, datap, ETH_ALEN);
+ memcpy(ar->mac_addr, datap, ETH_ALEN);
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n",
- __func__, dev->dev_addr);
+ __func__, ar->mac_addr);
ar->version.wlan_ver = sw_ver;
ar->version.abi_ver = abi_ver;
set_bit(WMI_READY, &ar->flag);
wake_up(&ar->event_wq);
- ath6kl_info("hw %s fw %s%s\n",
- get_hw_id_string(ar->wiphy->hw_version),
- ar->wiphy->fw_version,
- test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
+ if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) {
+ ath6kl_info("hw %s fw %s%s\n",
+ get_hw_id_string(ar->wiphy->hw_version),
+ ar->wiphy->fw_version,
+ test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
+ }
}
void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status)
{
struct ath6kl *ar = vif->ar;
+ bool aborted = false;
+
+ if (status != WMI_SCAN_STATUS_SUCCESS)
+ aborted = true;
- ath6kl_cfg80211_scan_complete_event(vif, status);
+ ath6kl_cfg80211_scan_complete_event(vif, aborted);
if (!ar->usr_bss_filter) {
clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
NONE_BSS_FILTER, 0);
}
- ath6kl_dbg(ATH6KL_DBG_WLAN_SCAN, "scan complete: %d\n", status);
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status);
}
void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid,
netif_wake_queue(vif->ndev);
/* Update connect & link status atomically */
- spin_lock_bh(&ar->lock);
+ spin_lock_bh(&vif->if_lock);
set_bit(CONNECTED, &vif->flags);
clear_bit(CONNECT_PEND, &vif->flags);
netif_carrier_on(vif->ndev);
- spin_unlock_bh(&ar->lock);
+ spin_unlock_bh(&vif->if_lock);
aggr_reset_state(vif->aggr_cntxt);
vif->reconnect_flag = 0;
del_timer(&vif->disconnect_timer);
- ath6kl_dbg(ATH6KL_DBG_WLAN_CONNECT,
- "disconnect reason is %d\n", reason);
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason);
/*
* If the event is due to disconnect cmd from the host, only they
}
/* update connect & link status atomically */
- spin_lock_bh(&ar->lock);
+ spin_lock_bh(&vif->if_lock);
clear_bit(CONNECTED, &vif->flags);
netif_carrier_off(vif->ndev);
- spin_unlock_bh(&ar->lock);
+ spin_unlock_bh(&vif->if_lock);
if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1))
vif->reconnect_flag = 0;
ath6kl_tx_data_cleanup(ar);
}
+struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar)
+{
+ struct ath6kl_vif *vif;
+
+ spin_lock_bh(&ar->list_lock);
+ if (list_empty(&ar->vif_list)) {
+ spin_unlock_bh(&ar->list_lock);
+ return NULL;
+ }
+
+ vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list);
+
+ spin_unlock_bh(&ar->list_lock);
+
+ return vif;
+}
+
static int ath6kl_open(struct net_device *dev)
{
- struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
- spin_lock_bh(&ar->lock);
-
set_bit(WLAN_ENABLED, &vif->flags);
if (test_bit(CONNECTED, &vif->flags)) {
} else
netif_carrier_off(dev);
- spin_unlock_bh(&ar->lock);
-
return 0;
}
0, 0, 0, 0, 0, 0, 0, 0, 0))
return -EIO;
- clear_bit(WLAN_ENABLED, &vif->flags);
}
- ath6kl_cfg80211_scan_complete_event(vif, -ECANCELED);
+ ath6kl_cfg80211_scan_complete_event(vif, true);
+
+ clear_bit(WLAN_ENABLED, &vif->flags);
return 0;
}
void init_netdev(struct net_device *dev)
{
dev->netdev_ops = &ath6kl_netdev_ops;
+ dev->destructor = free_netdev;
dev->watchdog_timeo = ATH6KL_TX_TIMEOUT;
dev->needed_headroom = ETH_HLEN;
projects / deliverable / linux.git / blobdiff