Release 4.11 drivers/net/wireless/ath/ath6kl/core.c
/*
* Copyright (c) 2004-2011 Atheros Communications Inc.
* Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core.h"
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/export.h>
#include <linux/vmalloc.h>
#include "debug.h"
#include "hif-ops.h"
#include "htc-ops.h"
#include "cfg80211.h"
unsigned int debug_mask;
static unsigned int suspend_mode;
static unsigned int wow_mode;
static unsigned int uart_debug;
static unsigned int uart_rate = 115200;
static unsigned int ath6kl_p2p;
static unsigned int testmode;
static unsigned int recovery_enable;
static unsigned int heart_beat_poll;
module_param(debug_mask, uint, 0644);
module_param(suspend_mode, uint, 0644);
module_param(wow_mode, uint, 0644);
module_param(uart_debug, uint, 0644);
module_param(uart_rate, uint, 0644);
module_param(ath6kl_p2p, uint, 0644);
module_param(testmode, uint, 0644);
module_param(recovery_enable, uint, 0644);
module_param(heart_beat_poll, uint, 0644);
MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
MODULE_PARM_DESC(heart_beat_poll,
"Enable fw error detection periodic polling in msecs - Also set recovery_enable for this to be effective");
void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
{
ath6kl_htc_tx_complete(ar, skb);
}
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EXPORT_SYMBOL(ath6kl_core_tx_complete);
void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
{
ath6kl_htc_rx_complete(ar, skb, pipe);
}
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EXPORT_SYMBOL(ath6kl_core_rx_complete);
int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
{
struct ath6kl_bmi_target_info targ_info;
struct wireless_dev *wdev;
int ret = 0, i;
switch (htc_type) {
case ATH6KL_HTC_TYPE_MBOX:
ath6kl_htc_mbox_attach(ar);
break;
case ATH6KL_HTC_TYPE_PIPE:
ath6kl_htc_pipe_attach(ar);
break;
default:
WARN_ON(1);
return -ENOMEM;
}
ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
if (!ar->ath6kl_wq)
return -ENOMEM;
ret = ath6kl_bmi_init(ar);
if (ret)
goto err_wq;
/*
* Turn on power to get hardware (target) version and leave power
* on delibrately as we will boot the hardware anyway within few
* seconds.
*/
ret = ath6kl_hif_power_on(ar);
if (ret)
goto err_bmi_cleanup;
ret = ath6kl_bmi_get_target_info(ar, &targ_info);
if (ret)
goto err_power_off;
ar->version.target_ver = le32_to_cpu(targ_info.version);
ar->target_type = le32_to_cpu(targ_info.type);
ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
ret = ath6kl_init_hw_params(ar);
if (ret)
goto err_power_off;
ar->htc_target = ath6kl_htc_create(ar);
if (!ar->htc_target) {
ret = -ENOMEM;
goto err_power_off;
}
ar->testmode = testmode;
ret = ath6kl_init_fetch_firmwares(ar);
if (ret)
goto err_htc_cleanup;
/* FIXME: we should free all firmwares in the error cases below */
/*
* Backwards compatibility support for older ar6004 firmware images
* which do not set these feature flags.
*/
if (ar->target_type == TARGET_TYPE_AR6004 &&
ar->fw_api <= 4) {
__set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
ar->fw_capabilities);
__set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
ar->fw_capabilities);
if (ar->hw.id == AR6004_HW_1_3_VERSION)
__set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
ar->fw_capabilities);
}
/* Indicate that WMI is enabled (although not ready yet) */
set_bit(WMI_ENABLED, &ar->flag);
ar->wmi = ath6kl_wmi_init(ar);
if (!ar->wmi) {
ath6kl_err("failed to initialize wmi\n");
ret = -EIO;
goto err_htc_cleanup;
}
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
/* setup access class priority mappings */
ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
ar->ac_stream_pri_map[WMM_AC_BE] = 1;
ar->ac_stream_pri_map[WMM_AC_VI] = 2;
ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
/* allocate some buffers that handle larger AMSDU frames */
ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
ath6kl_cookie_init(ar);
ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
if (suspend_mode &&
suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
suspend_mode <= WLAN_POWER_STATE_WOW)
ar->suspend_mode = suspend_mode;
else
ar->suspend_mode = 0;
if (suspend_mode == WLAN_POWER_STATE_WOW &&
(wow_mode == WLAN_POWER_STATE_CUT_PWR ||
wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
ar->wow_suspend_mode = wow_mode;
else
ar->wow_suspend_mode = 0;
if (uart_debug)
ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
ar->hw.uarttx_rate = uart_rate;
set_bit(FIRST_BOOT, &ar->flag);
ath6kl_debug_init(ar);
ret = ath6kl_init_hw_start(ar);
if (ret) {
ath6kl_err("Failed to start hardware: %d\n", ret);
goto err_rxbuf_cleanup;
}
/* give our connected endpoints some buffers */
ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
ret = ath6kl_cfg80211_init(ar);
if (ret)
goto err_rxbuf_cleanup;
ret = ath6kl_debug_init_fs(ar);
if (ret) {
wiphy_unregister(ar->wiphy);
goto err_rxbuf_cleanup;
}
for (i = 0; i < ar->vif_max; i++)
ar->avail_idx_map |= BIT(i);
rtnl_lock();
/* Add an initial station interface */
wdev = ath6kl_interface_add(ar, "wlan%d", NET_NAME_ENUM,
NL80211_IFTYPE_STATION, 0, INFRA_NETWORK);
rtnl_unlock();
if (!wdev) {
ath6kl_err("Failed to instantiate a network device\n");
ret = -ENOMEM;
wiphy_unregister(ar->wiphy);
goto err_rxbuf_cleanup;
}
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
__func__, wdev->netdev->name, wdev->netdev, ar);
ar->fw_recovery.enable = !!recovery_enable;
if (!ar->fw_recovery.enable)
return ret;
if (heart_beat_poll &&
test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
ar->fw_capabilities))
ar->fw_recovery.hb_poll = heart_beat_poll;
ath6kl_recovery_init(ar);
return ret;
err_rxbuf_cleanup:
ath6kl_debug_cleanup(ar);
ath6kl_htc_flush_rx_buf(ar->htc_target);
ath6kl_cleanup_amsdu_rxbufs(ar);
ath6kl_wmi_shutdown(ar->wmi);
clear_bit(WMI_ENABLED, &ar->flag);
ar->wmi = NULL;
err_htc_cleanup:
ath6kl_htc_cleanup(ar->htc_target);
err_power_off:
ath6kl_hif_power_off(ar);
err_bmi_cleanup:
ath6kl_bmi_cleanup(ar);
err_wq:
destroy_workqueue(ar->ath6kl_wq);
return ret;
}
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| Johannes Berg | 10 | 1.26% | 1 | 6.25% |
| Steve deRosier | 8 | 1.01% | 1 | 6.25% |
| Tom Gundersen | 2 | 0.25% | 1 | 6.25% |
| Total | 796 | 100.00% | 16 | 100.00% |
EXPORT_SYMBOL(ath6kl_core_init);
struct ath6kl *ath6kl_core_create(struct device *dev)
{
struct ath6kl *ar;
u8 ctr;
ar = ath6kl_cfg80211_create();
if (!ar)
return NULL;
ar->p2p = !!ath6kl_p2p;
ar->dev = dev;
ar->vif_max = 1;
ar->max_norm_iface = 1;
spin_lock_init(&ar->lock);
spin_lock_init(&ar->mcastpsq_lock);
spin_lock_init(&ar->list_lock);
init_waitqueue_head(&ar->event_wq);
sema_init(&ar->sem, 1);
INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
INIT_LIST_HEAD(&ar->vif_list);
clear_bit(WMI_ENABLED, &ar->flag);
clear_bit(SKIP_SCAN, &ar->flag);
clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
ar->tx_pwr = 0;
ar->intra_bss = 1;
ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
ar->state = ATH6KL_STATE_OFF;
memset((u8 *)ar->sta_list, 0,
AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
/* Init the PS queues */
for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
spin_lock_init(&ar->sta_list[ctr].psq_lock);
skb_queue_head_init(&ar->sta_list[ctr].psq);
skb_queue_head_init(&ar->sta_list[ctr].apsdq);
ar->sta_list[ctr].mgmt_psq_len = 0;
INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
ar->sta_list[ctr].aggr_conn =
kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
if (!ar->sta_list[ctr].aggr_conn) {
ath6kl_err("Failed to allocate memory for sta aggregation information\n");
ath6kl_core_destroy(ar);
return NULL;
}
}
skb_queue_head_init(&ar->mcastpsq);
memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
return ar;
}
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| Total | 340 | 100.00% | 3 | 100.00% |
EXPORT_SYMBOL(ath6kl_core_create);
void ath6kl_core_cleanup(struct ath6kl *ar)
{
ath6kl_hif_power_off(ar);
ath6kl_recovery_cleanup(ar);
destroy_workqueue(ar->ath6kl_wq);
if (ar->htc_target)
ath6kl_htc_cleanup(ar->htc_target);
ath6kl_cookie_cleanup(ar);
ath6kl_cleanup_amsdu_rxbufs(ar);
ath6kl_bmi_cleanup(ar);
ath6kl_debug_cleanup(ar);
kfree(ar->fw_board);
kfree(ar->fw_otp);
vfree(ar->fw);
kfree(ar->fw_patch);
kfree(ar->fw_testscript);
ath6kl_cfg80211_cleanup(ar);
}
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| Kalle Valo | 94 | 94.00% | 1 | 33.33% |
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| Vivek Natarajan | 1 | 1.00% | 1 | 33.33% |
| Total | 100 | 100.00% | 3 | 100.00% |
EXPORT_SYMBOL(ath6kl_core_cleanup);
void ath6kl_core_destroy(struct ath6kl *ar)
{
ath6kl_cfg80211_destroy(ar);
}
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EXPORT_SYMBOL(ath6kl_core_destroy);
MODULE_AUTHOR("Qualcomm Atheros");
MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
MODULE_LICENSE("Dual BSD/GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kalle Valo | 1099 | 72.59% | 7 | 31.82% |
| Vasanthakumar Thiagarajan | 283 | 18.69% | 8 | 36.36% |
| Raja Mani | 68 | 4.49% | 2 | 9.09% |
| Steve deRosier | 24 | 1.59% | 1 | 4.55% |
| Naveen Gangadharan | 24 | 1.59% | 1 | 4.55% |
| Johannes Berg | 10 | 0.66% | 1 | 4.55% |
| Vivek Natarajan | 4 | 0.26% | 1 | 4.55% |
| Tom Gundersen | 2 | 0.13% | 1 | 4.55% |
| Total | 1514 | 100.00% | 22 | 100.00% |
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