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ESP8266/Espressif_ESP8089_SDIO_WiFi/esp8089/esp_mac80211.c
pvvx 306d16ebe3 first commit
2023-12-25 21:53:30 +03:00

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/*
* Copyright (c) 2011 Espressif System.
*
* MAC80211 support module
*/
#include <linux/etherdevice.h>
#include <linux/workqueue.h>
#include <linux/nl80211.h>
#include <linux/ieee80211.h>
#include <linux/slab.h>
#include <net/regulatory.h>
#include <net/cfg80211.h>
#include <net/mac80211.h>
#include <linux/version.h>
/* for support scan in p2p concurrent */
#include <../net/mac80211/ieee80211_i.h>
#include "esp_pub.h"
#include "esp_sip.h"
#include "esp_ctrl.h"
#include "esp_sif.h"
#include "esp_debug.h"
#include "esp_wl.h"
#include "esp_utils.h"
#define ESP_IEEE80211_DBG esp_dbg
#define GET_NEXT_SEQ(seq) (((seq) +1) & 0x0fff)
#ifdef P2P_CONCURRENT
static u8 esp_mac_addr[ETH_ALEN * 2];
#endif
static u8 getaddr_index(u8 * addr, struct esp_pub *epub);
static
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
void
#else
int
#endif /* NEW_KERNEL */
esp_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_LOG, "%s enter\n", __func__);
if (!mod_support_no_txampdu() && hw->conf.channel_type != NL80211_CHAN_NO_HT) {
struct ieee80211_tx_info * tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr * wh = (struct ieee80211_hdr *)skb->data;
if(ieee80211_is_data_qos(wh->frame_control)) {
if(!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)) {
u8 tidno = ieee80211_get_qos_ctl(wh)[0] & IEEE80211_QOS_CTL_TID_MASK;
struct ieee80211_sta *sta = tx_info->control.sta;
struct esp_node * node = (struct esp_node *)sta->drv_priv;
struct esp_tx_tid *tid = &node->tid[tidno];
//record ssn
spin_lock_bh(&epub->tx_ampdu_lock);
tid->ssn = GET_NEXT_SEQ(le16_to_cpu(wh->seq_ctrl)>>4);
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "tidno:%u,ssn:%u\n", tidno, tid->ssn);
spin_unlock_bh(&epub->tx_ampdu_lock);
} else {
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "tx ampdu pkt, sn:%u, %u\n", le16_to_cpu(wh->seq_ctrl)>>4, skb->len);
}
}
}
#ifdef GEN_ERR_CHECKSUM
esp_gen_err_checksum(skb);
#endif
sip_tx_data_pkt_enqueue(epub, skb);
if (epub)
ieee80211_queue_work(hw, &epub->tx_work);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
return NETDEV_TX_OK;
#endif /* !NEW_KERNEL */
}
static int esp_op_start(struct ieee80211_hw *hw)
{
struct esp_pub *epub;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s\n", __func__);
if (!hw) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s no hw!\n", __func__);
return -1;
}
epub = (struct esp_pub *)hw->priv;
if (!epub) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s no epub!\n", __func__);
return -1;
}
/*add rfkill poll function*/
atomic_set(&epub->wl.off, 0);
wiphy_rfkill_start_polling(hw->wiphy);
return 0;
}
static void esp_op_stop(struct ieee80211_hw *hw)
{
struct esp_pub *epub;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s\n", __func__);
if (!hw) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s no hw!\n", __func__);
return;
}
epub = (struct esp_pub *)hw->priv;
if (!epub) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s no epub!\n", __func__);
return;
}
atomic_set(&epub->wl.off, 1);
#ifdef HOST_RESET_BUG
mdelay(200);
#endif
if (epub->wl.scan_req) {
hw_scan_done(epub, true);
epub->wl.scan_req=NULL;
//msleep(2);
}
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
#ifdef CONFIG_PM
static int esp_op_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
esp_dbg(ESP_DBG_OP, "%s\n", __func__);
return 0;
}
static int esp_op_resume(struct ieee80211_hw *hw)
{
esp_dbg(ESP_DBG_OP, "%s\n", __func__);
return 0;
}
#endif //CONFIG_PM
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
static int esp_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
#else
static int esp_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
#endif
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
struct ieee80211_vif *vif = conf->vif;
#endif
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
struct sip_cmd_setvif svif;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter: type %d, addr %pM\n", __func__, vif->type, conf->mac_addr);
#else
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter: type %d, addr %pM\n", __func__, vif->type, vif->addr);
#endif
memset(&svif, 0, sizeof(struct sip_cmd_setvif));
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
memcpy(svif.mac, conf->mac_addr, ETH_ALEN);
evif->index = svif.index = getaddr_index(conf->mac_addr, epub);
#else
memcpy(svif.mac, vif->addr, ETH_ALEN);
evif->index = svif.index = getaddr_index(vif->addr, epub);
#endif
evif->epub = epub;
svif.set = 1;
if((1 << svif.index) & epub->vif_slot){
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s interface %d already used\n", __func__, svif.index);
return -EOPNOTSUPP;
}
epub->vif_slot |= 1 << svif.index;
if (svif.index == ESP_PUB_MAX_VIF) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s only support MAX %d interface\n", __func__, ESP_PUB_MAX_VIF);
return -EOPNOTSUPP;
}
switch (vif->type) {
case NL80211_IFTYPE_STATION:
//if (svif.index == 1)
// vif->type = NL80211_IFTYPE_UNSPECIFIED;
ESP_IEEE80211_DBG(ESP_SHOW, "%s STA \n", __func__);
svif.op_mode = 0;
svif.is_p2p = 0;
break;
case NL80211_IFTYPE_AP:
ESP_IEEE80211_DBG(ESP_SHOW, "%s AP \n", __func__);
svif.op_mode = 1;
svif.is_p2p = 0;
break;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
case NL80211_IFTYPE_P2P_CLIENT:
ESP_IEEE80211_DBG(ESP_SHOW, "%s P2P_CLIENT \n", __func__);
svif.op_mode = 0;
svif.is_p2p = 1;
break;
case NL80211_IFTYPE_P2P_GO:
ESP_IEEE80211_DBG(ESP_SHOW, "%s P2P_GO \n", __func__);
svif.op_mode = 1;
svif.is_p2p = 1;
break;
#endif
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MONITOR:
default:
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s does NOT support type %d\n", __func__, vif->type);
return -EOPNOTSUPP;
}
sip_cmd(epub, SIP_CMD_SETVIF, (u8 *)&svif, sizeof(struct sip_cmd_setvif));
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
static int esp_op_change_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum nl80211_iftype new_type, bool p2p)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
struct sip_cmd_setvif svif;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter,change to if:%d \n", __func__, new_type);
if (new_type == NL80211_IFTYPE_AP) {
ESP_IEEE80211_DBG(ESP_SHOW, "%s enter,change to AP \n", __func__);
}
if (vif->type != new_type) {
ESP_IEEE80211_DBG(ESP_SHOW, "%s type from %d to %d\n", __func__, vif->type, new_type);
}
memset(&svif, 0, sizeof(struct sip_cmd_setvif));
memcpy(svif.mac, vif->addr, ETH_ALEN);
svif.index = evif->index;
svif.set = 2;
switch (new_type) {
case NL80211_IFTYPE_STATION:
svif.op_mode = 0;
svif.is_p2p = p2p;
break;
case NL80211_IFTYPE_AP:
svif.op_mode = 1;
svif.is_p2p = p2p;
break;
case NL80211_IFTYPE_P2P_CLIENT:
svif.op_mode = 0;
svif.is_p2p = 1;
break;
case NL80211_IFTYPE_P2P_GO:
svif.op_mode = 1;
svif.is_p2p = 1;
break;
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MONITOR:
default:
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s does NOT support type %d\n", __func__, vif->type);
return -EOPNOTSUPP;
}
sip_cmd(epub, SIP_CMD_SETVIF, (u8 *)&svif, sizeof(struct sip_cmd_setvif));
return 0;
}
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
static void esp_op_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
#else
static void esp_op_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
#endif
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
struct ieee80211_vif *vif = conf->vif;
#endif
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
struct sip_cmd_setvif svif;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, vif addr %pM, beacon enable %x\n", __func__, conf->mac_addr, vif->bss_conf.enable_beacon);
#else
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, vif addr %pM, beacon enable %x\n", __func__, vif->addr, vif->bss_conf.enable_beacon);
#endif
memset(&svif, 0, sizeof(struct sip_cmd_setvif));
svif.index = evif->index;
epub->vif_slot &= ~(1 << svif.index);
if(evif->ap_up){
evif->beacon_interval = 0;
del_timer_sync(&evif->beacon_timer);
evif->ap_up = false;
}
evif->epub = NULL;
sip_cmd(epub, SIP_CMD_SETVIF, (u8 *)&svif, sizeof(struct sip_cmd_setvif));
/* clean up tx/rx queue */
}
static int esp_op_config(struct ieee80211_hw *hw, u32 changed)
{
//struct ieee80211_conf *conf = &hw->conf;
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter 0x%08x\n", __func__, changed);
if (changed&IEEE80211_CONF_CHANGE_CHANNEL) {
sip_send_config(epub, &hw->conf);
}
#if 0
if (changed & IEEE80211_CONF_CHANGE_PS) {
struct esp_ps *ps = &epub->ps;
ps->dtim_period = conf->ps_dtim_period;
ps->max_sleep_period = conf->max_sleep_period;
esp_ps_config(epub, ps, (conf->flags & IEEE80211_CONF_PS));
}
#endif
return 0;
}
static void drv_handle_beacon(unsigned long data)
{
struct ieee80211_vif *vif = (struct ieee80211_vif *) data;
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
struct sk_buff *beacon;
struct sk_buff *skb;
static int dbgcnt = 0;
if(evif->epub == NULL)
return;
beacon = ieee80211_beacon_get(evif->epub->hw, vif);
if (!(dbgcnt++ % 600)) {
ESP_IEEE80211_DBG(ESP_SHOW, " beacon length:%d,fc:0x%x\n", beacon->len,
((struct ieee80211_mgmt *)beacon->data)->frame_control);
}
sip_tx_data_pkt_enqueue(evif->epub, beacon);
mod_timer(&evif->beacon_timer, jiffies+msecs_to_jiffies(vif->bss_conf.beacon_int));
//FIXME:the packets must be sent at home channel
//send buffer mcast frames
skb = ieee80211_get_buffered_bc(evif->epub->hw, vif);
while (skb) {
sip_tx_data_pkt_enqueue(evif->epub, skb);
skb = ieee80211_get_buffered_bc(evif->epub->hw, vif);
}
}
static void init_beacon_timer(struct ieee80211_vif *vif)
{
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
ESP_IEEE80211_DBG(ESP_DBG_OP, " %s enter: beacon interval %x\n", __func__, vif->bss_conf.beacon_int);
init_timer(&evif->beacon_timer); //TBD, not init here...
evif->beacon_timer.expires=jiffies+msecs_to_jiffies(vif->bss_conf.beacon_int*102/100);
evif->beacon_timer.data = (unsigned long) vif;
evif->beacon_timer.function = drv_handle_beacon;
add_timer(&evif->beacon_timer);
}
static void esp_op_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u32 changed)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
#endif
// ESP_IEEE80211_DBG(ESP_DBG_OP, " %s enter: vif addr %pM, changed %x, assoc %x, bssid %pM\n", __func__, vif->addr, changed, info->assoc, info->bssid);
ESP_IEEE80211_DBG(ESP_DBG_OP, " %s enter: changed %x, assoc %x, bssid %pM\n", __func__, changed, info->assoc, info->bssid);
if (vif->type == NL80211_IFTYPE_STATION) {
if ((changed & BSS_CHANGED_BSSID) ||
((changed & BSS_CHANGED_ASSOC) && (info->assoc)))
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, " %s STA change bssid or assoc\n", __func__);
memcpy(epub->wl.bssid, (u8*)info->bssid, ETH_ALEN);
sip_send_bss_info_update(epub, evif, (u8*)info->bssid, info->assoc);
} else if ((changed & BSS_CHANGED_ASSOC) && (!info->assoc)) {
ESP_IEEE80211_DBG(ESP_DBG_TRACE, " %s STA change disassoc\n", __func__);
memset(epub->wl.bssid, 0, ETH_ALEN);
sip_send_bss_info_update(epub, evif, (u8*)info->bssid, info->assoc);
} else {
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s wrong mode of STA mode\n", __func__);
}
} else if (vif->type == NL80211_IFTYPE_AP) {
if ((changed & BSS_CHANGED_BEACON_ENABLED) ||
(changed & BSS_CHANGED_BEACON_INT)) {
ESP_IEEE80211_DBG(ESP_DBG_TRACE, " %s AP change enable %d, interval is %d, bssid %pM\n", __func__, info->enable_beacon, info->beacon_int, info->bssid);
if (info->enable_beacon && evif->ap_up != true) {
evif->beacon_interval = info->beacon_int;
init_beacon_timer(vif);
sip_send_bss_info_update(epub, evif, (u8*)info->bssid, 2);
evif->ap_up = true;
} else if (!info->enable_beacon && evif->ap_up &&
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
!test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)
#else
true
#endif
) {
ESP_IEEE80211_DBG(ESP_DBG_TRACE, " %s AP disable beacon, interval is %d\n", __func__, info->beacon_int);
evif->beacon_interval = 0;
del_timer_sync(&evif->beacon_timer);
sip_send_bss_info_update(epub, evif, (u8*)info->bssid, 2);
evif->ap_up = false;
}
}
} else {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s op mode unspecified\n", __func__);
}
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35))
static u64 esp_op_prepare_multicast(struct ieee80211_hw *hw,
int mc_count, struct dev_addr_list *mc_list)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#else
static u64 esp_op_prepare_multicast(struct ieee80211_hw *hw,
struct netdev_hw_addr_list *mc_list)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#endif /* NEW_KERNEL && KERNEL_35 */
static void esp_op_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
epub->rx_filter = 0;
if (*total_flags & FIF_PROMISC_IN_BSS)
epub->rx_filter |= FIF_PROMISC_IN_BSS;
if (*total_flags & FIF_ALLMULTI)
epub->rx_filter |= FIF_ALLMULTI;
*total_flags = epub->rx_filter;
}
#if 0
static int esp_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
bool set)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#endif
static int esp_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
u8 i;
int ret;
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
u8 *peer_addr,isvalid;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, flags = %x keyindx = %x cmd = %x mac = %pM cipher = %x\n", __func__, key->flags, key->keyidx, cmd, vif->addr, key->cipher);
#else
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, flags = %x keyindx = %x cmd = %x cipher = %x\n", __func__, key->flags, key->keyidx, cmd, key->alg);
#endif
key->flags= key->flags|IEEE80211_KEY_FLAG_GENERATE_IV;
if (sta) {
if (memcmp(sta->addr, epub->wl.bssid, ETH_ALEN))
peer_addr = sta->addr;
else
peer_addr = epub->wl.bssid;
} else {
peer_addr=epub->wl.bssid;
}
isvalid = (cmd==SET_KEY) ? 1 : 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
if ((key->flags&IEEE80211_KEY_FLAG_PAIRWISE) || (key->cipher == WLAN_CIPHER_SUITE_WEP40 || key->cipher == WLAN_CIPHER_SUITE_WEP104))
#else
if ((key->flags&IEEE80211_KEY_FLAG_PAIRWISE) || (key->alg == ALG_WEP))
#endif
{
if (isvalid) {
for (i = 0; i < 19; i++) {
if (epub->hi_map[i].flag == 0) {
epub->hi_map[i].flag = 1;
key->hw_key_idx = i + 6;
memcpy(epub->hi_map[i].mac, peer_addr, ETH_ALEN);
break;
}
}
} else {
u8 index = key->hw_key_idx - 6;
epub->hi_map[index].flag = 0;
memset(epub->hi_map[index].mac, 0, ETH_ALEN);
}
} else {
if(isvalid){
for(i = 0; i < 2; i++)
if (epub->low_map[evif->index][i].flag == 0) {
epub->low_map[evif->index][i].flag = 1;
key->hw_key_idx = i + evif->index * 2 + 2;
memcpy(epub->low_map[evif->index][i].mac, peer_addr, ETH_ALEN);
break;
}
} else {
u8 index = key->hw_key_idx - 2 - evif->index * 2;
epub->low_map[evif->index][index].flag = 0;
memset(epub->low_map[evif->index][index].mac, 0, ETH_ALEN);
}
//key->hw_key_idx = key->keyidx + evif->index * 2 + 1;
}
if (key->hw_key_idx >= 6) {
/*send sub_scan task to target*/
//epub->wl.ptk = (cmd==SET_KEY) ? key : NULL;
if(isvalid)
atomic_inc(&epub->wl.ptk_cnt);
else
atomic_dec(&epub->wl.ptk_cnt);
} else {
/*send sub_scan task to target*/
if(isvalid)
atomic_inc(&epub->wl.gtk_cnt);
else
atomic_dec(&epub->wl.gtk_cnt);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
if((key->cipher == WLAN_CIPHER_SUITE_WEP40 || key->cipher == WLAN_CIPHER_SUITE_WEP104))
#else
if((key->alg == ALG_WEP))
#endif
{
if(isvalid)
atomic_inc(&epub->wl.ptk_cnt);
else
atomic_dec(&epub->wl.ptk_cnt);
//epub->wl.ptk = (cmd==SET_KEY) ? key : NULL;
}
}
ret = sip_send_setkey(epub, evif->index, peer_addr, key, isvalid);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35))
if((key->cipher == WLAN_CIPHER_SUITE_TKIP || key->cipher == WLAN_CIPHER_SUITE_TKIP))
#else
if((key->alg == ALG_TKIP))
#endif
{
if(ret == 0)
atomic_set(&epub->wl.tkip_key_set, 1);
}
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s exit\n", __func__);
return ret;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
static void esp_op_update_tkip_key(struct ieee80211_hw *hw,
struct ieee80211_key_conf *conf, const u8 *address,
u32 iv32, u16 *phase1key)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
}
#else
static void esp_op_update_tkip_key(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_key_conf *conf,
struct ieee80211_sta *sta,
u32 iv32, u16 *phase1key)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
}
#endif /* KERNEL_35 NEW_KERNEL*/
void hw_scan_done(struct esp_pub *epub, bool aborted)
{
cancel_delayed_work_sync(&epub->scan_timeout_work);
ASSERT(epub->wl.scan_req != NULL);
ieee80211_scan_completed(epub->hw, aborted);
if (test_and_clear_bit(ESP_WL_FLAG_STOP_TXQ, &epub->wl.flags)) {
sip_trigger_txq_process(epub->sip);
}
}
static void hw_scan_timeout_report(struct work_struct *work)
{
struct esp_pub *epub =
container_of(work, struct esp_pub, scan_timeout_work.work);
bool aborted;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "eagle hw scan done\n");
if (test_and_clear_bit(ESP_WL_FLAG_STOP_TXQ, &epub->wl.flags)) {
sip_trigger_txq_process(epub->sip);
}
/*check if normally complete or aborted like timeout/hw error */
aborted = (epub->wl.scan_req) ? true : false;
if (aborted==true) {
epub->wl.scan_req = NULL;
}
ieee80211_scan_completed(epub->hw, aborted);
}
#if 0
static void esp_op_sw_scan_start(struct ieee80211_hw *hw)
{}
static void esp_op_sw_scan_complete(struct ieee80211_hw *hw)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
}
#endif
#if 0
static int esp_op_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
static void esp_op_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
u32 *iv32, u16 *iv16)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
}
#endif
static int esp_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
static int esp_node_attach(struct ieee80211_hw *hw, u8 ifidx, struct ieee80211_sta *sta)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_node *node = (struct esp_node *)sta->drv_priv;
u8 tidno;
struct esp_tx_tid *tid;
int i;
spin_lock_bh(&epub->tx_ampdu_lock);
for(tidno = 0, tid = &node->tid[tidno]; tidno < WME_NUM_TID; tidno++) {
tid->ssn = 0;
tid->cnt = 0;
tid->state = ESP_TID_STATE_INIT;
}
if(hweight32(epub->enodes_maps[ifidx]) < ESP_PUB_MAX_STA && (i = ffz(epub->enodes_map)) < ESP_PUB_MAX_STA + 1){
epub->enodes_map |= (1 << i);
epub->enodes_maps[ifidx] |= (1 << i);
epub->enodes[i] = node;
node->sta = sta;
node->ifidx = ifidx;
node->index = i;
} else {
i = -1;
}
spin_unlock_bh(&epub->tx_ampdu_lock);
return i;
}
static int esp_node_detach(struct ieee80211_hw *hw, u8 ifidx, struct ieee80211_sta *sta)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
u8 map;
int i;
spin_lock_bh(&epub->tx_ampdu_lock);
map = epub->enodes_maps[ifidx];
while(map != 0){
i = ffs(map) - 1;
if(epub->enodes[i]->sta == sta){
epub->enodes[i]->sta = NULL;
epub->enodes[i] = NULL;
epub->enodes_map &= ~(1 << i);
epub->enodes_maps[ifidx] &= ~(1 << i);
spin_unlock_bh(&epub->tx_ampdu_lock);
return i;
}
map &= ~(1 << i);
}
spin_unlock_bh(&epub->tx_ampdu_lock);
return -1;
}
struct esp_node * esp_get_node_by_addr(struct esp_pub * epub, u8 *addr)
{
int i;
u8 map;
struct esp_node *node = NULL;
if(addr == NULL)
return NULL;
spin_lock_bh(&epub->tx_ampdu_lock);
map = epub->enodes_map;
while(map != 0){
i = ffs(map) - 1;
map &= ~(1 << i);
if(memcmp(epub->enodes[i]->sta->addr, addr, ETH_ALEN) == 0){
node = epub->enodes[i];
break;
}
}
spin_unlock_bh(&epub->tx_ampdu_lock);
return node;
}
static int esp_op_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
int index;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, sta addr %pM\n", __func__, sta->addr);
#else
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, vif addr %pM, sta addr %pM\n", __func__, vif->addr, sta->addr);
#endif
//add a connect in target
index = esp_node_attach(hw, evif->index, sta);
if(index < 0)
return -1;
sip_send_set_sta(epub, evif->index, 1, sta, vif, (u8)index);
return 0;
}
static int esp_op_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_vif *evif = (struct esp_vif *)vif->drv_priv;
int index;
ASSERT(sta != NULL);
ASSERT(vif != NULL);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, sta addr %pM\n", __func__, sta->addr);
#else
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, vif addr %pM, sta addr %pM\n", __func__, vif->addr, sta->addr);
#endif
//remove a connect in target
index = esp_node_detach(hw, evif->index, sta);
sip_send_set_sta(epub, evif->index, 0, sta, vif, (u8)index);
return 0;
}
static void esp_op_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
{
//struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
switch (cmd) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
case STA_NOTIFY_ADD:
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s cmd add\n", __func__);
esp_op_sta_add(hw, vif, sta);
break;
case STA_NOTIFY_REMOVE:
esp_op_sta_remove(hw, vif, sta);
break;
#else
case STA_NOTIFY_SLEEP:
break;
case STA_NOTIFY_AWAKE:
break;
#endif /* NEW_KERNEL */
default:
break;
}
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
static int esp_op_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u16 queue,
const struct ieee80211_tx_queue_params *params)
#else
static int esp_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
const struct ieee80211_tx_queue_params *params)
#endif
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return sip_send_wmm_params(epub, queue, params);
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35))
static int esp_op_get_tx_stats(struct ieee80211_hw *hw,
struct ieee80211_tx_queue_stats *stats)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#endif /* !NEW_KERNEL && !KERNEL_35*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
static u64 esp_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
#else
static u64 esp_op_get_tsf(struct ieee80211_hw *hw)
#endif
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
static void esp_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 tsf)
#else
static void esp_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
#endif
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
static void esp_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
#else
static void esp_op_reset_tsf(struct ieee80211_hw *hw)
#endif
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
}
static void esp_op_rfkill_poll(struct ieee80211_hw *hw)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
wiphy_rfkill_set_hw_state(hw->wiphy,
test_bit(ESP_WL_FLAG_RFKILL, &epub->wl.flags) ? true : false);
}
#ifdef HW_SCAN
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35))
static int esp_op_hw_scan(struct ieee80211_hw *hw,
struct cfg80211_scan_request *req)
#else
static int esp_op_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
#endif /* NEW_KERNEL && KERNEL_35 */
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
int i, ret;
bool scan_often = true;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s\n", __func__);
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "scan, %d\n", req->n_ssids);
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "scan, len 1:%d,ssid 1:%s\n", req->ssids->ssid_len, req->ssids->ssid_len == 0? "":(char *)req->ssids->ssid);
if(req->n_ssids > 1)
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "scan, len 2:%d,ssid 2:%s\n", (req->ssids+1)->ssid_len, (req->ssids+1)->ssid_len == 0? "":(char *)(req->ssids + 1)->ssid);
/*scan_request is keep allocate untill scan_done,record it
to split request into multi sdio_cmd*/
if (atomic_read(&epub->wl.off)) {
esp_dbg(ESP_DBG_ERROR, "%s scan but wl off \n", __func__);
return -1;
}
if(req->n_ssids > 1){
struct cfg80211_ssid *ssid2 = req->ssids + 1;
if((req->ssids->ssid_len > 0 && ssid2->ssid_len > 0) || req->n_ssids > 2){
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "scan ssid num: %d, ssid1:%s, ssid2:%s,not support\n", req->n_ssids,
req->ssids->ssid_len == 0 ? "":(char *)req->ssids->ssid, ssid2->ssid_len == 0? "":(char *)ssid2->ssid);
return -1;
}
}
epub->wl.scan_req = req;
for (i = 0; i < req->n_channels; i++)
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "eagle hw_scan freq %d\n",
req->channels[i]->center_freq);
#if 0
for (i = 0; i < req->n_ssids; i++) {
if (req->ssids->ssid_len> 0) {
req->ssids->ssid[req->ssids->ssid_len]='\0';
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "scan_ssid %d:%s\n",
i, req->ssids->ssid);
}
}
#endif
/*in connect state, suspend tx data*/
if(epub->sip->support_bgscan &&
test_bit(ESP_WL_FLAG_CONNECT, &epub->wl.flags) &&
req->n_channels > 0)
{
scan_often = epub->scan_permit_valid && time_before(jiffies, epub->scan_permit);
epub->scan_permit_valid = true;
if (!scan_often) {
/* epub->scan_permit = jiffies + msecs_to_jiffies(900);
set_bit(ESP_WL_FLAG_STOP_TXQ, &epub->wl.flags);
if (atomic_read(&epub->txq_stopped) == false) {
atomic_set(&epub->txq_stopped, true);
ieee80211_stop_queues(hw);
}
*/
} else {
ESP_IEEE80211_DBG(ESP_DBG_LOG, "scan too often\n");
return -1;
}
} else {
scan_often = false;
}
/*send sub_scan task to target*/
ret = sip_send_scan(epub);
if (ret) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "fail to send scan_cmd\n");
return -1;
} else {
if(!scan_often) {
epub->scan_permit = jiffies + msecs_to_jiffies(900);
set_bit(ESP_WL_FLAG_STOP_TXQ, &epub->wl.flags);
if (atomic_read(&epub->txq_stopped) == false) {
atomic_set(&epub->txq_stopped, true);
ieee80211_stop_queues(hw);
}
/*force scan complete in case target fail to report in time*/
ieee80211_queue_delayed_work(hw, &epub->scan_timeout_work, req->n_channels * HZ / 4);
}
}
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38))
static int esp_op_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
int duration)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, center_freq = %d duration = %d\n", __func__, chan->center_freq, duration);
sip_send_roc(epub, chan->center_freq, duration);
return 0;
}
static int esp_op_cancel_remain_on_channel(struct ieee80211_hw *hw)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter \n", __func__);
epub->roc_flags= 0; // to disable roc state
sip_send_roc(epub, 0, 0);
return 0;
}
#endif /* > 2.6.38 */
#endif
void esp_rocdone_process(struct ieee80211_hw *hw, struct sip_evt_roc *report)
{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter, state = %d is_ok = %d\n", __func__, report->state, report->is_ok);
//roc process begin
if((report->state==1)&&(report->is_ok==1))
{
epub->roc_flags=1; //flags in roc state, to fix channel, not change
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38))
ieee80211_ready_on_channel(hw);
#endif
}
else if ((report->state==0)&&(report->is_ok==1)) //roc process timeout
{
epub->roc_flags= 0; // to disable roc state
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38))
ieee80211_remain_on_channel_expired(hw);
#endif
}
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
static int esp_op_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter \n", __func__);
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s vif->macaddr[%pM], mask[%d]\n", __func__, vif->addr, mask->control[0].legacy);
return 0;
}
#endif
void esp_op_flush(struct ieee80211_hw *hw, bool drop)
{
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter \n", __func__);
do{
struct esp_pub *epub = (struct esp_pub *)hw->priv;
unsigned long time = jiffies + msecs_to_jiffies(15);
while(atomic_read(&epub->sip->tx_data_pkt_queued)){
if(!time_before(jiffies, time)){
break;
}
#ifdef FPGA_LOOPBACK
queue_work(epub->esp_wkq, &epub->tx_work);
#else
/* trigger tx work immediately */
ieee80211_queue_work(epub->hw, &epub->tx_work);
#endif /* FPGA_LOOPBACK */
//sip_txq_process(epub);
}
mdelay(10);
}while(0);
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33))
static int esp_op_ampdu_action(struct ieee80211_hw *hw,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
static int esp_op_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
#else
static int esp_op_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
u8 buf_size)
#endif
#endif /* NEW_KERNEL && KERNEL_35 */
{
int ret = -EOPNOTSUPP;
struct esp_pub *epub = (struct esp_pub *)hw->priv;
struct esp_node * node = (struct esp_node *)sta->drv_priv;
struct esp_tx_tid * tid_info = &node->tid[tid];
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
u8 buf_size = 64;
#endif
ESP_IEEE80211_DBG(ESP_DBG_OP, "%s enter \n", __func__);
switch(action) {
case IEEE80211_AMPDU_TX_START:
if (mod_support_no_txampdu() || hw->conf.channel_type == NL80211_CHAN_NO_HT)
return ret;
//if (vif->p2p || vif->type != NL80211_IFTYPE_STATION)
// return ret;
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s TX START, addr:%pM,tid:%u,state:%d\n", __func__, sta->addr, tid, tid_info->state);
spin_lock_bh(&epub->tx_ampdu_lock);
ASSERT(tid_info->state == ESP_TID_STATE_TRIGGER);
*ssn = tid_info->ssn;
tid_info->state = ESP_TID_STATE_PROGRESS;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33))
ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
#else
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
#endif
spin_unlock_bh(&epub->tx_ampdu_lock);
ret = 0;
break;
case IEEE80211_AMPDU_TX_STOP:
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s TX STOP, addr:%pM,tid:%u,state:%d\n", __func__, sta->addr, tid, tid_info->state);
spin_lock_bh(&epub->tx_ampdu_lock);
if(tid_info->state == ESP_TID_STATE_WAIT_STOP)
tid_info->state = ESP_TID_STATE_STOP;
else
tid_info->state = ESP_TID_STATE_INIT;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33))
ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
#else
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
#endif
spin_unlock_bh(&epub->tx_ampdu_lock);
ret = sip_send_ampdu_action(epub, SIP_AMPDU_TX_STOP, sta->addr, tid, node->ifidx, 0);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s TX OPERATION, addr:%pM,tid:%u,state:%d\n", __func__, sta->addr, tid, tid_info->state);
spin_lock_bh(&epub->tx_ampdu_lock);
if (tid_info->state != ESP_TID_STATE_PROGRESS) {
if (tid_info->state == ESP_TID_STATE_INIT) {
printk(KERN_ERR "%s WIFI RESET, IGNORE\n", __func__);
spin_unlock_bh(&epub->tx_ampdu_lock);
return -ENETRESET;
} else {
ASSERT(0);
}
}
tid_info->state = ESP_TID_STATE_OPERATIONAL;
spin_unlock_bh(&epub->tx_ampdu_lock);
ret = sip_send_ampdu_action(epub, SIP_AMPDU_TX_OPERATIONAL, sta->addr, tid, node->ifidx, buf_size);
break;
case IEEE80211_AMPDU_RX_START:
if(mod_support_no_rxampdu() || hw->conf.channel_type == NL80211_CHAN_NO_HT)
return ret;
if (
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
vif->p2p
#else
false
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33))
|| false
#else
|| vif->type != NL80211_IFTYPE_STATION
#endif
)
return ret;
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s RX START %pM tid %u %u\n", __func__, sta->addr, tid, *ssn);
ret = sip_send_ampdu_action(epub, SIP_AMPDU_RX_START, sta->addr, tid, *ssn, 64);
break;
case IEEE80211_AMPDU_RX_STOP:
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "%s RX STOP %pM tid %u\n", __func__, sta->addr, tid);
ret = sip_send_ampdu_action(epub, SIP_AMPDU_RX_STOP, sta->addr, tid, 0, 0);
break;
default:
break;
}
return ret;
}
#if 0
static int esp_op_tx_last_beacon(struct ieee80211_hw *hw)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#ifdef CONFIG_NL80211_TESTMODE
static int esp_op_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
{
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter \n", __func__);
return 0;
}
#endif /* CONFIG_NL80211_TESTMODE */
#endif
static void
esp_tx_work(struct work_struct *work)
{
struct esp_pub *epub = container_of(work, struct esp_pub, tx_work);
mutex_lock(&epub->tx_mtx);
sip_txq_process(epub);
mutex_unlock(&epub->tx_mtx);
}
#ifndef RX_SENDUP_SYNC
//for debug
static int data_pkt_dequeue_cnt = 0;
static void _esp_flush_rxq(struct esp_pub *epub)
{
struct sk_buff *skb = NULL;
while ((skb = skb_dequeue(&epub->rxq))) {
esp_dbg(ESP_DBG_TRACE, "%s call ieee80211_rx \n", __func__);
//local_bh_disable();
ieee80211_rx(epub->hw, skb);
//local_bh_enable();
}
}
static void
esp_sendup_work(struct work_struct *work)
{
struct esp_pub *epub = container_of(work, struct esp_pub, sendup_work);
spin_lock_bh(&epub->rx_lock);
_esp_flush_rxq(epub);
spin_unlock_bh(&epub->rx_lock);
}
#endif /* !RX_SENDUP_SYNC */
static const struct ieee80211_ops esp_mac80211_ops = {
.tx = esp_op_tx,
.start = esp_op_start,
.stop = esp_op_stop,
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
#ifdef CONFIG_PM
.suspend = esp_op_suspend,
.resume = esp_op_resume,
#endif
#endif
.add_interface = esp_op_add_interface,
.remove_interface = esp_op_remove_interface,
.config = esp_op_config,
.bss_info_changed = esp_op_bss_info_changed,
.prepare_multicast = esp_op_prepare_multicast,
.configure_filter = esp_op_configure_filter,
.set_key = esp_op_set_key,
.update_tkip_key = esp_op_update_tkip_key,
//.sched_scan_start = esp_op_sched_scan_start,
//.sched_scan_stop = esp_op_sched_scan_stop,
.set_rts_threshold = esp_op_set_rts_threshold,
.sta_notify = esp_op_sta_notify,
.conf_tx = esp_op_conf_tx,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35))
.get_tx_stats = esp_op_get_tx_stats,
#endif /* KERNEL_VERSION < 2.6.35*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
.change_interface = esp_op_change_interface,
#endif
.get_tsf = esp_op_get_tsf,
.set_tsf = esp_op_set_tsf,
.reset_tsf = esp_op_reset_tsf,
.rfkill_poll= esp_op_rfkill_poll,
#ifdef HW_SCAN
.hw_scan = esp_op_hw_scan,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38))
.remain_on_channel= esp_op_remain_on_channel,
.cancel_remain_on_channel=esp_op_cancel_remain_on_channel,
#endif /* >=2.6.38 */
#endif
.ampdu_action = esp_op_ampdu_action,
//.get_survey = esp_op_get_survey,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34))
.sta_add = esp_op_sta_add,
.sta_remove = esp_op_sta_remove,
#endif /* >= 2.6.34 */
#ifdef CONFIG_NL80211_TESTMODE
//CFG80211_TESTMODE_CMD(esp_op_tm_cmd)
#endif
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
.set_bitrate_mask = esp_op_set_bitrate_mask,
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34))
.flush = esp_op_flush,
#endif
};
struct esp_pub * esp_pub_alloc_mac80211(struct device *dev)
{
struct ieee80211_hw *hw;
struct esp_pub *epub;
int ret = 0;
hw = ieee80211_alloc_hw(sizeof(struct esp_pub), &esp_mac80211_ops);
if (hw == NULL) {
esp_dbg(ESP_DBG_ERROR, "ieee80211 can't alloc hw!\n");
ret = -ENOMEM;
return ERR_PTR(ret);
}
epub = hw->priv;
memset(epub, 0, sizeof(*epub));
epub->hw = hw;
SET_IEEE80211_DEV(hw, dev);
epub->dev = dev;
skb_queue_head_init(&epub->txq);
skb_queue_head_init(&epub->txdoneq);
skb_queue_head_init(&epub->rxq);
spin_lock_init(&epub->tx_ampdu_lock);
spin_lock_init(&epub->tx_lock);
mutex_init(&epub->tx_mtx);
spin_lock_init(&epub->rx_lock);
INIT_WORK(&epub->tx_work, esp_tx_work);
#ifndef RX_SENDUP_SYNC
INIT_WORK(&epub->sendup_work, esp_sendup_work);
#endif //!RX_SENDUP_SYNC
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
//epub->esp_wkq = create_freezeable_workqueue("esp_wkq");
epub->esp_wkq = create_singlethread_workqueue("esp_wkq");
#else
//epub->esp_wkq = create_freezable_workqueue("esp_wkq");
epub->esp_wkq = create_singlethread_workqueue("esp_wkq");
#endif /* NEW_KERNEL */
if (epub->esp_wkq == NULL) {
ret = -ENOMEM;
return ERR_PTR(ret);
}
epub->scan_permit_valid = false;
INIT_DELAYED_WORK(&epub->scan_timeout_work, hw_scan_timeout_report);
return epub;
}
int esp_pub_dealloc_mac80211(struct esp_pub *epub)
{
set_bit(ESP_WL_FLAG_RFKILL, &epub->wl.flags);
destroy_workqueue(epub->esp_wkq);
mutex_destroy(&epub->tx_mtx);
#ifdef ESP_NO_MAC80211
free_netdev(epub->net_dev);
wiphy_free(epub->wdev->wiphy);
kfree(epub->wdev);
#else
if (epub->hw) {
ieee80211_free_hw(epub->hw);
}
#endif
return 0;
}
#if 0
static int esp_reg_notifier(struct wiphy *wiphy,
struct regulatory_request *request)
{
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
int i;
ESP_IEEE80211_DBG(ESP_DBG_TRACE, "%s enter %d\n", __func__, request->initiator
);
//TBD
}
#endif
/* 2G band channels */
static struct ieee80211_channel esp_channels_2ghz[] = {
{ .hw_value = 1, .center_freq = 2412, .max_power = 25 },
{ .hw_value = 2, .center_freq = 2417, .max_power = 25 },
{ .hw_value = 3, .center_freq = 2422, .max_power = 25 },
{ .hw_value = 4, .center_freq = 2427, .max_power = 25 },
{ .hw_value = 5, .center_freq = 2432, .max_power = 25 },
{ .hw_value = 6, .center_freq = 2437, .max_power = 25 },
{ .hw_value = 7, .center_freq = 2442, .max_power = 25 },
{ .hw_value = 8, .center_freq = 2447, .max_power = 25 },
{ .hw_value = 9, .center_freq = 2452, .max_power = 25 },
{ .hw_value = 10, .center_freq = 2457, .max_power = 25 },
{ .hw_value = 11, .center_freq = 2462, .max_power = 25 },
{ .hw_value = 12, .center_freq = 2467, .max_power = 25 },
{ .hw_value = 13, .center_freq = 2472, .max_power = 25 },
//{ .hw_value = 14, .center_freq = 2484, .max_power = 25 },
};
/* 11G rate */
static struct ieee80211_rate esp_rates_2ghz[] = {
{
.bitrate = 10,
.hw_value = CONF_HW_BIT_RATE_1MBPS,
.hw_value_short = CONF_HW_BIT_RATE_1MBPS,
},
{
.bitrate = 20,
.hw_value = CONF_HW_BIT_RATE_2MBPS,
.hw_value_short = CONF_HW_BIT_RATE_2MBPS,
.flags = IEEE80211_RATE_SHORT_PREAMBLE
},
{
.bitrate = 55,
.hw_value = CONF_HW_BIT_RATE_5_5MBPS,
.hw_value_short = CONF_HW_BIT_RATE_5_5MBPS,
.flags = IEEE80211_RATE_SHORT_PREAMBLE
},
{
.bitrate = 110,
.hw_value = CONF_HW_BIT_RATE_11MBPS,
.hw_value_short = CONF_HW_BIT_RATE_11MBPS,
.flags = IEEE80211_RATE_SHORT_PREAMBLE
},
{
.bitrate = 60,
.hw_value = CONF_HW_BIT_RATE_6MBPS,
.hw_value_short = CONF_HW_BIT_RATE_6MBPS,
},
{
.bitrate = 90,
.hw_value = CONF_HW_BIT_RATE_9MBPS,
.hw_value_short = CONF_HW_BIT_RATE_9MBPS,
},
{
.bitrate = 120,
.hw_value = CONF_HW_BIT_RATE_12MBPS,
.hw_value_short = CONF_HW_BIT_RATE_12MBPS,
},
{
.bitrate = 180,
.hw_value = CONF_HW_BIT_RATE_18MBPS,
.hw_value_short = CONF_HW_BIT_RATE_18MBPS,
},
{
.bitrate = 240,
.hw_value = CONF_HW_BIT_RATE_24MBPS,
.hw_value_short = CONF_HW_BIT_RATE_24MBPS,
},
{
.bitrate = 360,
.hw_value = CONF_HW_BIT_RATE_36MBPS,
.hw_value_short = CONF_HW_BIT_RATE_36MBPS,
},
{
.bitrate = 480,
.hw_value = CONF_HW_BIT_RATE_48MBPS,
.hw_value_short = CONF_HW_BIT_RATE_48MBPS,
},
{
.bitrate = 540,
.hw_value = CONF_HW_BIT_RATE_54MBPS,
.hw_value_short = CONF_HW_BIT_RATE_54MBPS,
},
};
static void
esp_pub_init_mac80211(struct esp_pub *epub)
{
struct ieee80211_hw *hw = epub->hw;
static const u32 cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
};
hw->channel_change_time = 420000; /* in us */
hw->max_listen_interval = 10;
hw->flags = IEEE80211_HW_SIGNAL_DBM |
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33))
IEEE80211_HW_HAS_RATE_CONTROL |
#endif /* >= 2.6.33 */
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_AMPDU_AGGREGATION;
//IEEE80211_HW_PS_NULLFUNC_STACK |
//IEEE80211_HW_CONNECTION_MONITOR |
//IEEE80211_HW_BEACON_FILTER |
//IEEE80211_HW_AMPDU_AGGREGATION |
//IEEE80211_HW_REPORTS_TX_ACK_STATUS;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
hw->max_rx_aggregation_subframes = 0x40;
hw->max_tx_aggregation_subframes = 0x40;
#endif /* >= 2.6.39 */
hw->wiphy->cipher_suites = cipher_suites;
hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
/* ONLY station for now, support P2P soon... */
hw->wiphy->interface_modes =
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
#endif
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP);
hw->wiphy->max_scan_ssids = 2;
//hw->wiphy->max_sched_scan_ssids = 16;
//hw->wiphy->max_match_sets = 16;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38))
hw->wiphy->max_remain_on_channel_duration = 5000;
#endif
hw->wiphy->max_scan_ie_len = epub->sip->tx_blksz - sizeof(struct sip_hdr) - sizeof(struct sip_cmd_scan);
epub->wl.sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
epub->wl.sbands[IEEE80211_BAND_2GHZ].channels = esp_channels_2ghz;
epub->wl.sbands[IEEE80211_BAND_2GHZ].bitrates = esp_rates_2ghz;
epub->wl.sbands[IEEE80211_BAND_2GHZ].n_channels = ARRAY_SIZE(esp_channels_2ghz);
epub->wl.sbands[IEEE80211_BAND_2GHZ].n_bitrates = ARRAY_SIZE(esp_rates_2ghz);
/*add to support 11n*/
epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.ht_supported = true;
epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.cap = 0x116C;//IEEE80211_HT_CAP_RX_STBC; //IEEE80211_HT_CAP_SGI_20;
epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
memset(&epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.mcs, 0,
sizeof(epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.mcs));
epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.mcs.rx_mask[0] = 0xff;
//epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.mcs.rx_highest = 7;
//epub->wl.sbands[IEEE80211_BAND_2GHZ].ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
/* BAND_5GHZ TBD */
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&epub->wl.sbands[IEEE80211_BAND_2GHZ];
/* BAND_5GHZ TBD */
/*no fragment*/
hw->wiphy->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
/* handle AC queue in f/w */
hw->queues = 4;
hw->max_rates = 4;
//hw->wiphy->reg_notifier = esp_reg_notify;
hw->vif_data_size = sizeof(struct esp_vif);
hw->sta_data_size = sizeof(struct esp_node);
//hw->max_rx_aggregation_subframes = 8;
}
int
esp_register_mac80211(struct esp_pub *epub)
{
int ret = 0;
#ifdef P2P_CONCURRENT
u8 *paddr;
#endif
esp_pub_init_mac80211(epub);
#ifdef P2P_CONCURRENT
epub->hw->wiphy->addresses = (struct mac_address *)esp_mac_addr;
memcpy(&epub->hw->wiphy->addresses[0], epub->mac_addr, ETH_ALEN);
memcpy(&epub->hw->wiphy->addresses[1], epub->mac_addr, ETH_ALEN);
paddr = (u8 *)&epub->hw->wiphy->addresses[1];
(*paddr) |= 0x02;
epub->hw->wiphy->n_addresses = 2;
#else
SET_IEEE80211_PERM_ADDR(epub->hw, epub->mac_addr);
#endif
ret = ieee80211_register_hw(epub->hw);
if (ret < 0) {
ESP_IEEE80211_DBG(ESP_DBG_ERROR, "unable to register mac80211 hw: %d\n", ret);
return ret;
}
set_bit(ESP_WL_FLAG_HW_REGISTERED, &epub->wl.flags);
return ret;
}
static u8 getaddr_index(u8 * addr, struct esp_pub *epub)
{
#ifdef P2P_CONCURRENT
int i;
for(i = 0; i < ESP_PUB_MAX_VIF; i++)
if(memcmp(addr, (u8 *)&epub->hw->wiphy->addresses[i], ETH_ALEN) == 0)
return i;
return ESP_PUB_MAX_VIF;
#else
return 0;
#endif
}
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