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path: root/drivers/net/wireless/ath/ath6kl/cfg80211.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/cfg80211.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/cfg80211.c1002
1 files changed, 698 insertions, 304 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 6c59a217b1a1..00d38952b5fb 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -1,5 +1,6 @@
/*
* 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
@@ -15,6 +16,8 @@
*/
#include <linux/moduleparam.h>
+#include <linux/inetdevice.h>
+#include <linux/export.h>
#include "core.h"
#include "cfg80211.h"
@@ -22,10 +25,6 @@
#include "hif-ops.h"
#include "testmode.h"
-static unsigned int ath6kl_p2p;
-
-module_param(ath6kl_p2p, uint, 0644);
-
#define RATETAB_ENT(_rate, _rateid, _flags) { \
.bitrate = (_rate), \
.flags = (_flags), \
@@ -70,6 +69,10 @@ static struct ieee80211_rate ath6kl_rates[] = {
#define ath6kl_g_rates (ath6kl_rates + 0)
#define ath6kl_g_rates_size 12
+#define ath6kl_g_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
+ IEEE80211_HT_CAP_SGI_20 | \
+ IEEE80211_HT_CAP_SGI_40)
+
static struct ieee80211_channel ath6kl_2ghz_channels[] = {
CHAN2G(1, 2412, 0),
CHAN2G(2, 2417, 0),
@@ -114,6 +117,8 @@ static struct ieee80211_supported_band ath6kl_band_2ghz = {
.channels = ath6kl_2ghz_channels,
.n_bitrates = ath6kl_g_rates_size,
.bitrates = ath6kl_g_rates,
+ .ht_cap.cap = ath6kl_g_htcap,
+ .ht_cap.ht_supported = true,
};
static struct ieee80211_supported_band ath6kl_band_5ghz = {
@@ -121,6 +126,8 @@ static struct ieee80211_supported_band ath6kl_band_5ghz = {
.channels = ath6kl_5ghz_a_channels,
.n_bitrates = ath6kl_a_rates_size,
.bitrates = ath6kl_a_rates,
+ .ht_cap.cap = ath6kl_g_htcap,
+ .ht_cap.ht_supported = true,
};
#define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
@@ -196,7 +203,7 @@ static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
break;
default:
- ath6kl_err("%s: 0x%x not spported\n", __func__, auth_type);
+ ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
return -ENOTSUPP;
}
@@ -383,7 +390,7 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
return false;
if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
- ar->num_vif))
+ ar->num_vif))
return false;
if (type == NL80211_IFTYPE_STATION ||
@@ -409,6 +416,12 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
return false;
}
+static bool ath6kl_is_tx_pending(struct ath6kl *ar)
+{
+ return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
+}
+
+
static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme)
{
@@ -416,6 +429,7 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct ath6kl_vif *vif = netdev_priv(dev);
int status;
u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
+ u16 interval;
ath6kl_cfg80211_sscan_disable(vif);
@@ -452,8 +466,8 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
* sleep until the command queue drains
*/
wait_event_interruptible_timeout(ar->event_wq,
- ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0,
- WMI_TIMEOUT);
+ ath6kl_is_tx_pending(ar),
+ WMI_TIMEOUT);
if (signal_pending(current)) {
ath6kl_err("cmd queue drain timeout\n");
up(&ar->sem);
@@ -461,13 +475,13 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
}
}
- if (sme->ie && (sme->ie_len > 0)) {
- status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
- if (status) {
- up(&ar->sem);
- return status;
- }
- } else
+ status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
+ if (status) {
+ up(&ar->sem);
+ return status;
+ }
+
+ if (sme->ie == NULL || sme->ie_len == 0)
ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
if (test_bit(CONNECTED, &vif->flags) &&
@@ -523,8 +537,7 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
(vif->prwise_crypto == WEP_CRYPT)) {
struct ath6kl_key *key = NULL;
- if (sme->key_idx < WMI_MIN_KEY_INDEX ||
- sme->key_idx > WMI_MAX_KEY_INDEX) {
+ if (sme->key_idx > WMI_MAX_KEY_INDEX) {
ath6kl_err("key index %d out of bounds\n",
sme->key_idx);
up(&ar->sem);
@@ -549,7 +562,7 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
if (!ar->usr_bss_filter) {
clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
- ALL_BSS_FILTER, 0) != 0) {
+ ALL_BSS_FILTER, 0) != 0) {
ath6kl_err("couldn't set bss filtering\n");
up(&ar->sem);
return -EIO;
@@ -571,6 +584,20 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
vif->grp_crypto_len, vif->ch_hint);
vif->reconnect_flag = 0;
+
+ if (vif->nw_type == INFRA_NETWORK) {
+ interval = max_t(u16, vif->listen_intvl_t,
+ ATH6KL_MAX_WOW_LISTEN_INTL);
+ status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
+ interval,
+ 0);
+ if (status) {
+ ath6kl_err("couldn't set listen intervel\n");
+ up(&ar->sem);
+ return status;
+ }
+ }
+
status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
vif->dot11_auth_mode, vif->auth_mode,
vif->prwise_crypto,
@@ -593,8 +620,8 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
}
if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
- ((vif->auth_mode == WPA_PSK_AUTH)
- || (vif->auth_mode == WPA2_PSK_AUTH))) {
+ ((vif->auth_mode == WPA_PSK_AUTH) ||
+ (vif->auth_mode == WPA2_PSK_AUTH))) {
mod_timer(&vif->disconnect_timer,
jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
}
@@ -605,11 +632,13 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
-static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
- enum network_type nw_type,
- const u8 *bssid,
- struct ieee80211_channel *chan,
- const u8 *beacon_ie, size_t beacon_ie_len)
+static struct cfg80211_bss *
+ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
+ enum network_type nw_type,
+ const u8 *bssid,
+ struct ieee80211_channel *chan,
+ const u8 *beacon_ie,
+ size_t beacon_ie_len)
{
struct ath6kl *ar = vif->ar;
struct cfg80211_bss *bss;
@@ -638,7 +667,7 @@ static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
*/
ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
if (ie == NULL)
- return -ENOMEM;
+ return NULL;
ie[0] = WLAN_EID_SSID;
ie[1] = vif->ssid_len;
memcpy(ie + 2, vif->ssid, vif->ssid_len);
@@ -652,15 +681,9 @@ static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
"cfg80211\n", bssid);
kfree(ie);
} else
- ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss "
- "entry\n");
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
- if (bss == NULL)
- return -ENOMEM;
-
- cfg80211_put_bss(bss);
-
- return 0;
+ return bss;
}
void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
@@ -672,6 +695,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
{
struct ieee80211_channel *chan;
struct ath6kl *ar = vif->ar;
+ struct cfg80211_bss *bss;
/* capinfo + listen interval */
u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
@@ -712,8 +736,9 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
chan = ieee80211_get_channel(ar->wiphy, (int) channel);
- if (ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, assoc_info,
- beacon_ie_len) < 0) {
+ bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
+ assoc_info, beacon_ie_len);
+ if (!bss) {
ath6kl_err("could not add cfg80211 bss entry\n");
return;
}
@@ -722,6 +747,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
nw_type & ADHOC_CREATOR ? "creator" : "joiner");
cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
+ cfg80211_put_bss(bss);
return;
}
@@ -732,11 +758,11 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
assoc_req_ie, assoc_req_len,
assoc_resp_ie, assoc_resp_len,
WLAN_STATUS_SUCCESS, GFP_KERNEL);
+ cfg80211_put_bss(bss);
} else if (vif->sme_state == SME_CONNECTED) {
/* inform roam event to cfg80211 */
- cfg80211_roamed(vif->ndev, chan, bssid,
- assoc_req_ie, assoc_req_len,
- assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
+ cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
+ assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
}
}
@@ -828,13 +854,13 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
if (vif->sme_state == SME_CONNECTING) {
cfg80211_connect_result(vif->ndev,
- bssid, NULL, 0,
- NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
+ bssid, NULL, 0,
+ NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ GFP_KERNEL);
} else if (vif->sme_state == SME_CONNECTED) {
cfg80211_disconnected(vif->ndev, reason,
- NULL, 0, GFP_KERNEL);
+ NULL, 0, GFP_KERNEL);
}
vif->sme_state = SME_DISCONNECTED;
@@ -880,19 +906,14 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
request->ssids[i].ssid);
}
- /*
- * FIXME: we should clear the IE in fw if it's not set so just
- * remove the check altogether
- */
- if (request->ie) {
- ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
- WMI_FRAME_PROBE_REQ,
- request->ie, request->ie_len);
- if (ret) {
- ath6kl_err("failed to set Probe Request appie for "
- "scan");
- return ret;
- }
+ /* this also clears IE in fw if it's not set */
+ ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
+ WMI_FRAME_PROBE_REQ,
+ request->ie, request->ie_len);
+ if (ret) {
+ ath6kl_err("failed to set Probe Request appie for "
+ "scan");
+ return ret;
}
/*
@@ -921,7 +942,7 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
force_fg_scan = 1;
if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
- ar->fw_capabilities)) {
+ ar->fw_capabilities)) {
/*
* If capable of doing P2P mgmt operations using
* station interface, send additional information like
@@ -930,14 +951,17 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
*/
ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
WMI_LONG_SCAN, force_fg_scan,
- false, 0, 0, n_channels,
- channels, request->no_cck,
+ false, 0,
+ ATH6KL_FG_SCAN_INTERVAL,
+ n_channels, channels,
+ request->no_cck,
request->rates);
} else {
ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx,
WMI_LONG_SCAN, force_fg_scan,
- false, 0, 0, n_channels,
- channels);
+ false, 0,
+ ATH6KL_FG_SCAN_INTERVAL,
+ n_channels, channels);
}
if (ret)
ath6kl_err("wmi_startscan_cmd failed\n");
@@ -984,6 +1008,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
struct ath6kl *ar = ath6kl_priv(ndev);
struct ath6kl_vif *vif = netdev_priv(ndev);
struct ath6kl_key *key = NULL;
+ int seq_len;
u8 key_usage;
u8 key_type;
@@ -997,7 +1022,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
params->key);
}
- if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) {
+ if (key_index > WMI_MAX_KEY_INDEX) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
"%s: key index %d out of bounds\n", __func__,
key_index);
@@ -1012,23 +1037,21 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
else
key_usage = GROUP_USAGE;
- if (params) {
- int seq_len = params->seq_len;
- if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
- seq_len > ATH6KL_KEY_SEQ_LEN) {
- /* Only first half of the WPI PN is configured */
- seq_len = ATH6KL_KEY_SEQ_LEN;
- }
- if (params->key_len > WLAN_MAX_KEY_LEN ||
- seq_len > sizeof(key->seq))
- return -EINVAL;
-
- key->key_len = params->key_len;
- memcpy(key->key, params->key, key->key_len);
- key->seq_len = seq_len;
- memcpy(key->seq, params->seq, key->seq_len);
- key->cipher = params->cipher;
+ seq_len = params->seq_len;
+ if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
+ seq_len > ATH6KL_KEY_SEQ_LEN) {
+ /* Only first half of the WPI PN is configured */
+ seq_len = ATH6KL_KEY_SEQ_LEN;
}
+ if (params->key_len > WLAN_MAX_KEY_LEN ||
+ seq_len > sizeof(key->seq))
+ return -EINVAL;
+
+ key->key_len = params->key_len;
+ memcpy(key->key, params->key, key->key_len);
+ key->seq_len = seq_len;
+ memcpy(key->seq, params->seq, key->seq_len);
+ key->cipher = params->cipher;
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
@@ -1051,9 +1074,9 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
return -ENOTSUPP;
}
- if (((vif->auth_mode == WPA_PSK_AUTH)
- || (vif->auth_mode == WPA2_PSK_AUTH))
- && (key_usage & GROUP_USAGE))
+ if (((vif->auth_mode == WPA_PSK_AUTH) ||
+ (vif->auth_mode == WPA2_PSK_AUTH)) &&
+ (key_usage & GROUP_USAGE))
del_timer(&vif->disconnect_timer);
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
@@ -1063,7 +1086,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
if (vif->nw_type == AP_NETWORK && !pairwise &&
(key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
- key_type == WAPI_CRYPT) && params) {
+ key_type == WAPI_CRYPT)) {
ar->ap_mode_bkey.valid = true;
ar->ap_mode_bkey.key_index = key_index;
ar->ap_mode_bkey.key_type = key_type;
@@ -1115,7 +1138,7 @@ static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
if (!ath6kl_cfg80211_ready(vif))
return -EIO;
- if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) {
+ if (key_index > WMI_MAX_KEY_INDEX) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
"%s: key index %d out of bounds\n", __func__,
key_index);
@@ -1148,7 +1171,7 @@ static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
if (!ath6kl_cfg80211_ready(vif))
return -EIO;
- if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) {
+ if (key_index > WMI_MAX_KEY_INDEX) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
"%s: key index %d out of bounds\n", __func__,
key_index);
@@ -1184,7 +1207,7 @@ static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
if (!ath6kl_cfg80211_ready(vif))
return -EIO;
- if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) {
+ if (key_index > WMI_MAX_KEY_INDEX) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
"%s: key index %d out of bounds\n",
__func__, key_index);
@@ -1268,7 +1291,6 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
{
struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
struct ath6kl_vif *vif;
- u8 ath6kl_dbm;
int dbm = MBM_TO_DBM(mbm);
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
@@ -1285,7 +1307,7 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
case NL80211_TX_POWER_AUTOMATIC:
return 0;
case NL80211_TX_POWER_LIMITED:
- ar->tx_pwr = ath6kl_dbm = dbm;
+ ar->tx_pwr = dbm;
break;
default:
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
@@ -1293,7 +1315,7 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
return -EOPNOTSUPP;
}
- ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm);
+ ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
return 0;
}
@@ -1354,7 +1376,7 @@ static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
}
if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
- mode.pwr_mode) != 0) {
+ mode.pwr_mode) != 0) {
ath6kl_err("wmi_powermode_cmd failed\n");
return -EIO;
}
@@ -1403,7 +1425,7 @@ static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
- ath6kl_deinit_if_data(vif);
+ ath6kl_cfg80211_vif_cleanup(vif);
return 0;
}
@@ -1728,29 +1750,14 @@ static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
return 0;
}
-static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
+static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
+ struct cfg80211_wowlan *wow, u32 *filter)
{
- struct ath6kl_vif *vif;
- int ret, pos, left;
- u32 filter = 0;
- u16 i;
+ int ret, pos;
u8 mask[WOW_MASK_SIZE];
+ u16 i;
- vif = ath6kl_vif_first(ar);
- if (!vif)
- return -EIO;
-
- if (!ath6kl_cfg80211_ready(vif))
- return -EIO;
-
- if (!test_bit(CONNECTED, &vif->flags))
- return -EINVAL;
-
- /* Clear existing WOW patterns */
- for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
- ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
- WOW_LIST_ID, i);
- /* Configure new WOW patterns */
+ /* Configure the patterns that we received from the user. */
for (i = 0; i < wow->n_patterns; i++) {
/*
@@ -1773,29 +1780,249 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
* matched from the first byte of received pkt in the firmware.
*/
ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
- vif->fw_vif_idx, WOW_LIST_ID,
- wow->patterns[i].pattern_len,
- 0 /* pattern offset */,
- wow->patterns[i].pattern, mask);
+ vif->fw_vif_idx, WOW_LIST_ID,
+ wow->patterns[i].pattern_len,
+ 0 /* pattern offset */,
+ wow->patterns[i].pattern, mask);
if (ret)
return ret;
}
if (wow->disconnect)
- filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
+ *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
if (wow->magic_pkt)
- filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
+ *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
if (wow->gtk_rekey_failure)
- filter |= WOW_FILTER_OPTION_GTK_ERROR;
+ *filter |= WOW_FILTER_OPTION_GTK_ERROR;
if (wow->eap_identity_req)
- filter |= WOW_FILTER_OPTION_EAP_REQ;
+ *filter |= WOW_FILTER_OPTION_EAP_REQ;
if (wow->four_way_handshake)
- filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
+ *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
+
+ return 0;
+}
+
+static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
+{
+ static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x08 };
+ static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x7f };
+ u8 unicst_offset = 0;
+ static const u8 arp_pattern[] = { 0x08, 0x06 };
+ static const u8 arp_mask[] = { 0xff, 0xff };
+ u8 arp_offset = 20;
+ static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
+ static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
+ u8 discvr_offset = 38;
+ static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
+ static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
+ u8 dhcp_offset = 0;
+ int ret;
+
+ /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
+ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
+ vif->fw_vif_idx, WOW_LIST_ID,
+ sizeof(unicst_pattern), unicst_offset,
+ unicst_pattern, unicst_mask);
+ if (ret) {
+ ath6kl_err("failed to add WOW unicast IP pattern\n");
+ return ret;
+ }
+
+ /* Setup all ARP pkt pattern */
+ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
+ vif->fw_vif_idx, WOW_LIST_ID,
+ sizeof(arp_pattern), arp_offset,
+ arp_pattern, arp_mask);
+ if (ret) {
+ ath6kl_err("failed to add WOW ARP pattern\n");
+ return ret;
+ }
+
+ /*
+ * Setup multicast pattern for mDNS 224.0.0.251,
+ * SSDP 239.255.255.250 and LLMNR 224.0.0.252
+ */
+ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
+ vif->fw_vif_idx, WOW_LIST_ID,
+ sizeof(discvr_pattern), discvr_offset,
+ discvr_pattern, discvr_mask);
+ if (ret) {
+ ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
+ return ret;
+ }
+
+ /* Setup all DHCP broadcast pkt pattern */
+ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
+ vif->fw_vif_idx, WOW_LIST_ID,
+ sizeof(dhcp_pattern), dhcp_offset,
+ dhcp_pattern, dhcp_mask);
+ if (ret) {
+ ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
+{
+ struct net_device *ndev = vif->ndev;
+ static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
+ static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
+ u8 discvr_offset = 38;
+ u8 mac_mask[ETH_ALEN];
+ int ret;
+
+ /* Setup unicast pkt pattern */
+ memset(mac_mask, 0xff, ETH_ALEN);
+ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
+ vif->fw_vif_idx, WOW_LIST_ID,
+ ETH_ALEN, 0, ndev->dev_addr,
+ mac_mask);
+ if (ret) {
+ ath6kl_err("failed to add WOW unicast pattern\n");
+ return ret;
+ }
+
+ /*
+ * Setup multicast pattern for mDNS 224.0.0.251,
+ * SSDP 239.255.255.250 and LLMNR 224.0.0.252
+ */
+ if ((ndev->flags & IFF_ALLMULTI) ||
+ (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
+ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
+ vif->fw_vif_idx, WOW_LIST_ID,
+ sizeof(discvr_pattern), discvr_offset,
+ discvr_pattern, discvr_mask);
+ if (ret) {
+ ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR "
+ "pattern\n");
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
+{
+ struct in_device *in_dev;
+ struct in_ifaddr *ifa;
+ struct ath6kl_vif *vif;
+ int ret, left;
+ u32 filter = 0;
+ u16 i, bmiss_time;
+ u8 index = 0;
+ __be32 ips[MAX_IP_ADDRS];
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ if (!ath6kl_cfg80211_ready(vif))
+ return -EIO;
+
+ if (!test_bit(CONNECTED, &vif->flags))
+ return -ENOTCONN;
+
+ if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
+ return -EINVAL;
+
+ /* Clear existing WOW patterns */
+ for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
+ ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
+ WOW_LIST_ID, i);
+
+ /*
+ * Skip the default WOW pattern configuration
+ * if the driver receives any WOW patterns from
+ * the user.
+ */
+ if (wow)
+ ret = ath6kl_wow_usr(ar, vif, wow, &filter);
+ else if (vif->nw_type == AP_NETWORK)
+ ret = ath6kl_wow_ap(ar, vif);
+ else
+ ret = ath6kl_wow_sta(ar, vif);
+
+ if (ret)
+ return ret;
+
+ netif_stop_queue(vif->ndev);
+
+ if (vif->nw_type != AP_NETWORK) {
+ ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
+ ATH6KL_MAX_WOW_LISTEN_INTL,
+ 0);
+ if (ret)
+ return ret;
+
+ /* Set listen interval x 15 times as bmiss time */
+ bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
+ if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
+ bmiss_time = ATH6KL_MAX_BMISS_TIME;
+
+ ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
+ bmiss_time, 0);
+ if (ret)
+ return ret;
+
+ ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
+ 0xFFFF, 0, 0xFFFF, 0, 0, 0,
+ 0, 0, 0, 0);
+ if (ret)
+ return ret;
+ }
+
+ ar->state = ATH6KL_STATE_SUSPENDING;
+
+ /* Setup own IP addr for ARP agent. */
+ in_dev = __in_dev_get_rtnl(vif->ndev);
+ if (!in_dev)
+ goto skip_arp;
+
+ ifa = in_dev->ifa_list;
+ memset(&ips, 0, sizeof(ips));
+
+ /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
+ while (index < MAX_IP_ADDRS && ifa) {
+ ips[index] = ifa->ifa_local;
+ ifa = ifa->ifa_next;
+ index++;
+ }
+
+ if (ifa) {
+ ath6kl_err("total IP addr count is exceeding fw limit\n");
+ return -EINVAL;
+ }
+
+ ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
+ if (ret) {
+ ath6kl_err("fail to setup ip for arp agent\n");
+ return ret;
+ }
+
+skip_arp:
ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
ATH6KL_WOW_MODE_ENABLE,
filter,
@@ -1803,11 +2030,26 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
if (ret)
return ret;
+ clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
+
ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
ATH6KL_HOST_MODE_ASLEEP);
if (ret)
return ret;
+ left = wait_event_interruptible_timeout(ar->event_wq,
+ test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags),
+ WMI_TIMEOUT);
+ if (left == 0) {
+ ath6kl_warn("timeout, didn't get host sleep cmd "
+ "processed event\n");
+ ret = -ETIMEDOUT;
+ } else if (left < 0) {
+ ath6kl_warn("error while waiting for host sleep cmd "
+ "processed event %d\n", left);
+ ret = left;
+ }
+
if (ar->tx_pending[ar->ctrl_ep]) {
left = wait_event_interruptible_timeout(ar->event_wq,
ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT);
@@ -1832,15 +2074,46 @@ static int ath6kl_wow_resume(struct ath6kl *ar)
if (!vif)
return -EIO;
+ ar->state = ATH6KL_STATE_RESUMING;
+
ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
ATH6KL_HOST_MODE_AWAKE);
- return ret;
+ if (ret) {
+ ath6kl_warn("Failed to configure host sleep mode for "
+ "wow resume: %d\n", ret);
+ ar->state = ATH6KL_STATE_WOW;
+ return ret;
+ }
+
+ if (vif->nw_type != AP_NETWORK) {
+ ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
+ 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
+ if (ret)
+ return ret;
+
+ ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
+ vif->listen_intvl_t, 0);
+ if (ret)
+ return ret;
+
+ ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
+ vif->bmiss_time_t, 0);
+ if (ret)
+ return ret;
+ }
+
+ ar->state = ATH6KL_STATE_ON;
+
+ netif_wake_queue(vif->ndev);
+
+ return 0;
}
int ath6kl_cfg80211_suspend(struct ath6kl *ar,
enum ath6kl_cfg_suspend_mode mode,
struct cfg80211_wowlan *wow)
{
+ enum ath6kl_state prev_state;
int ret;
switch (mode) {
@@ -1851,11 +2124,14 @@ int ath6kl_cfg80211_suspend(struct ath6kl *ar,
/* Flush all non control pkts in TX path */
ath6kl_tx_data_cleanup(ar);
+ prev_state = ar->state;
+
ret = ath6kl_wow_suspend(ar, wow);
if (ret) {
- ath6kl_err("wow suspend failed: %d\n", ret);
+ ar->state = prev_state;
return ret;
}
+
ar->state = ATH6KL_STATE_WOW;
break;
@@ -1911,6 +2187,7 @@ int ath6kl_cfg80211_suspend(struct ath6kl *ar,
return 0;
}
+EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
int ath6kl_cfg80211_resume(struct ath6kl *ar)
{
@@ -1926,7 +2203,6 @@ int ath6kl_cfg80211_resume(struct ath6kl *ar)
return ret;
}
- ar->state = ATH6KL_STATE_ON;
break;
case ATH6KL_STATE_DEEPSLEEP:
@@ -1962,6 +2238,7 @@ int ath6kl_cfg80211_resume(struct ath6kl *ar)
return 0;
}
+EXPORT_SYMBOL(ath6kl_cfg80211_resume);
#ifdef CONFIG_PM
@@ -1999,6 +2276,9 @@ static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
*/
void ath6kl_check_wow_status(struct ath6kl *ar)
{
+ if (ar->state == ATH6KL_STATE_SUSPENDING)
+ return;
+
if (ar->state == ATH6KL_STATE_WOW)
ath6kl_cfg80211_resume(ar);
}
@@ -2014,7 +2294,18 @@ static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
- struct ath6kl_vif *vif = netdev_priv(dev);
+ struct ath6kl_vif *vif;
+
+ /*
+ * 'dev' could be NULL if a channel change is required for the hardware
+ * device itself, instead of a particular VIF.
+ *
+ * FIXME: To be handled properly when monitor mode is supported.
+ */
+ if (!dev)
+ return -EBUSY;
+
+ vif = netdev_priv(dev);
if (!ath6kl_cfg80211_ready(vif))
return -EIO;
@@ -2069,19 +2360,51 @@ static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
return ret;
}
-static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev,
- struct beacon_parameters *info, bool add)
+static int ath6kl_set_ies(struct ath6kl_vif *vif,
+ struct cfg80211_beacon_data *info)
+{
+ struct ath6kl *ar = vif->ar;
+ int res;
+
+ /* this also clears IE in fw if it's not set */
+ res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
+ WMI_FRAME_BEACON,
+ info->beacon_ies,
+ info->beacon_ies_len);
+ if (res)
+ return res;
+
+ /* this also clears IE in fw if it's not set */
+ res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
+ info->proberesp_ies_len);
+ if (res)
+ return res;
+
+ /* this also clears IE in fw if it's not set */
+ res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
+ WMI_FRAME_ASSOC_RESP,
+ info->assocresp_ies,
+ info->assocresp_ies_len);
+ if (res)
+ return res;
+
+ return 0;
+}
+
+static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_ap_settings *info)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
struct ieee80211_mgmt *mgmt;
+ bool hidden = false;
u8 *ies;
int ies_len;
struct wmi_connect_cmd p;
int res;
int i, ret;
- ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: add=%d\n", __func__, add);
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
if (!ath6kl_cfg80211_ready(vif))
return -EIO;
@@ -2089,31 +2412,7 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev,
if (vif->next_mode != AP_NETWORK)
return -EOPNOTSUPP;
- if (info->beacon_ies) {
- res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
- WMI_FRAME_BEACON,
- info->beacon_ies,
- info->beacon_ies_len);
- if (res)
- return res;
- }
- if (info->proberesp_ies) {
- res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
- info->proberesp_ies_len);
- if (res)
- return res;
- }
- if (info->assocresp_ies) {
- res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
- WMI_FRAME_ASSOC_RESP,
- info->assocresp_ies,
- info->assocresp_ies_len);
- if (res)
- return res;
- }
-
- if (!add)
- return 0;
+ res = ath6kl_set_ies(vif, &info->beacon);
ar->ap_mode_bkey.valid = false;
@@ -2122,20 +2421,24 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev,
* info->dtim_period
*/
- if (info->head == NULL)
+ if (info->beacon.head == NULL)
return -EINVAL;
- mgmt = (struct ieee80211_mgmt *) info->head;
+ mgmt = (struct ieee80211_mgmt *) info->beacon.head;
ies = mgmt->u.beacon.variable;
- if (ies > info->head + info->head_len)
+ if (ies > info->beacon.head + info->beacon.head_len)
return -EINVAL;
- ies_len = info->head + info->head_len - ies;
+ ies_len = info->beacon.head + info->beacon.head_len - ies;
if (info->ssid == NULL)
return -EINVAL;
memcpy(vif->ssid, info->ssid, info->ssid_len);
vif->ssid_len = info->ssid_len;
if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
- return -EOPNOTSUPP; /* TODO */
+ hidden = true;
+
+ res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
+ if (res)
+ return res;
ret = ath6kl_set_auth_type(vif, info->auth_type);
if (ret)
@@ -2214,6 +2517,11 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev,
p.dot11_auth_mode = vif->dot11_auth_mode;
p.ch = cpu_to_le16(vif->next_chan);
+ /* Enable uAPSD support by default */
+ res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
+ if (res < 0)
+ return res;
+
if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
p.nw_subtype = SUBTYPE_P2PGO;
} else {
@@ -2231,19 +2539,21 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
-static int ath6kl_add_beacon(struct wiphy *wiphy, struct net_device *dev,
- struct beacon_parameters *info)
+static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_beacon_data *beacon)
{
- return ath6kl_ap_beacon(wiphy, dev, info, true);
-}
+ struct ath6kl_vif *vif = netdev_priv(dev);
-static int ath6kl_set_beacon(struct wiphy *wiphy, struct net_device *dev,
- struct beacon_parameters *info)
-{
- return ath6kl_ap_beacon(wiphy, dev, info, false);
+ if (!ath6kl_cfg80211_ready(vif))
+ return -EIO;
+
+ if (vif->next_mode != AP_NETWORK)
+ return -EOPNOTSUPP;
+
+ return ath6kl_set_ies(vif, beacon);
}
-static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev)
+static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
@@ -2259,6 +2569,19 @@ static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev)
return 0;
}
+static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac)
+{
+ struct ath6kl *ar = ath6kl_priv(dev);
+ struct ath6kl_vif *vif = netdev_priv(dev);
+ const u8 *addr = mac ? mac : bcast_addr;
+
+ return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
+ addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+}
+
static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_parameters *params)
{
@@ -2354,6 +2677,76 @@ static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
return ret;
}
+static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
+ u32 id,
+ u32 freq,
+ u32 wait,
+ const u8 *buf,
+ size_t len,
+ bool *more_data,
+ bool no_cck)
+{
+ struct ieee80211_mgmt *mgmt;
+ struct ath6kl_sta *conn;
+ bool is_psq_empty = false;
+ struct ath6kl_mgmt_buff *mgmt_buf;
+ size_t mgmt_buf_size;
+ struct ath6kl *ar = vif->ar;
+
+ mgmt = (struct ieee80211_mgmt *) buf;
+ if (is_multicast_ether_addr(mgmt->da))
+ return false;
+
+ conn = ath6kl_find_sta(vif, mgmt->da);
+ if (!conn)
+ return false;
+
+ if (conn->sta_flags & STA_PS_SLEEP) {
+ if (!(conn->sta_flags & STA_PS_POLLED)) {
+ /* Queue the frames if the STA is sleeping */
+ mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
+ mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
+ if (!mgmt_buf)
+ return false;
+
+ INIT_LIST_HEAD(&mgmt_buf->list);
+ mgmt_buf->id = id;
+ mgmt_buf->freq = freq;
+ mgmt_buf->wait = wait;
+ mgmt_buf->len = len;
+ mgmt_buf->no_cck = no_cck;
+ memcpy(mgmt_buf->buf, buf, len);
+ spin_lock_bh(&conn->psq_lock);
+ is_psq_empty = skb_queue_empty(&conn->psq) &&
+ (conn->mgmt_psq_len == 0);
+ list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
+ conn->mgmt_psq_len++;
+ spin_unlock_bh(&conn->psq_lock);
+
+ /*
+ * If this is the first pkt getting queued
+ * for this STA, update the PVB for this
+ * STA.
+ */
+ if (is_psq_empty)
+ ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
+ conn->aid, 1);
+ return true;
+ }
+
+ /*
+ * This tx is because of a PsPoll.
+ * Determine if MoreData bit has to be set.
+ */
+ spin_lock_bh(&conn->psq_lock);
+ if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
+ *more_data = true;
+ spin_unlock_bh(&conn->psq_lock);
+ }
+
+ return false;
+}
+
static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
@@ -2365,6 +2758,7 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
struct ath6kl_vif *vif = netdev_priv(dev);
u32 id;
const struct ieee80211_mgmt *mgmt;
+ bool more_data, queued;
mgmt = (const struct ieee80211_mgmt *) buf;
if (buf + len >= mgmt->u.probe_resp.variable &&
@@ -2390,22 +2784,19 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
*cookie = id;
- if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
- ar->fw_capabilities)) {
- /*
- * If capable of doing P2P mgmt operations using
- * station interface, send additional information like
- * supported rates to advertise and xmit rates for
- * probe requests
- */
- return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
- chan->center_freq, wait,
- buf, len, no_cck);
- } else {
- return ath6kl_wmi_send_action_cmd(ar->wmi, vif->fw_vif_idx, id,
- chan->center_freq, wait,
- buf, len);
+ /* AP mode Power saving processing */
+ if (vif->nw_type == AP_NETWORK) {
+ queued = ath6kl_mgmt_powersave_ap(vif,
+ id, chan->center_freq,
+ wait, buf,
+ len, &more_data, no_cck);
+ if (queued)
+ return 0;
}
+
+ return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
+ chan->center_freq, wait,
+ buf, len, no_cck);
}
static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
@@ -2518,6 +2909,12 @@ ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
+ [NL80211_IFTYPE_AP] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
[NL80211_IFTYPE_P2P_CLIENT] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
@@ -2559,9 +2956,10 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = {
.resume = __ath6kl_cfg80211_resume,
#endif
.set_channel = ath6kl_set_channel,
- .add_beacon = ath6kl_add_beacon,
- .set_beacon = ath6kl_set_beacon,
- .del_beacon = ath6kl_del_beacon,
+ .start_ap = ath6kl_start_ap,
+ .change_beacon = ath6kl_change_beacon,
+ .stop_ap = ath6kl_stop_ap,
+ .del_station = ath6kl_del_station,
.change_station = ath6kl_change_station,
.remain_on_channel = ath6kl_remain_on_channel,
.cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
@@ -2629,122 +3027,9 @@ void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
ath6kl_cfg80211_stop(vif);
}
-struct ath6kl *ath6kl_core_alloc(struct device *dev)
-{
- struct ath6kl *ar;
- struct wiphy *wiphy;
- u8 ctr;
-
- /* create a new wiphy for use with cfg80211 */
- wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
-
- if (!wiphy) {
- ath6kl_err("couldn't allocate wiphy device\n");
- return NULL;
- }
-
- ar = wiphy_priv(wiphy);
- ar->p2p = !!ath6kl_p2p;
- ar->wiphy = wiphy;
- 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->listen_intvl_t = A_DEFAULT_LISTEN_INTERVAL;
- ar->listen_intvl_b = 0;
- 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->mcastpsq);
-
- memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
-
- return ar;
-}
-
-int ath6kl_register_ieee80211_hw(struct ath6kl *ar)
-{
- struct wiphy *wiphy = ar->wiphy;
- int ret;
-
- wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
-
- wiphy->max_remain_on_channel_duration = 5000;
-
- /* set device pointer for wiphy */
- set_wiphy_dev(wiphy, ar->dev);
-
- wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_AP);
- if (ar->p2p) {
- wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
- BIT(NL80211_IFTYPE_P2P_CLIENT);
- }
-
- /* max num of ssids that can be probed during scanning */
- wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
- wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
- wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
- wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
- wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
-
- wiphy->cipher_suites = cipher_suites;
- wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
-
- wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
- WIPHY_WOWLAN_DISCONNECT |
- WIPHY_WOWLAN_GTK_REKEY_FAILURE |
- WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
- WIPHY_WOWLAN_EAP_IDENTITY_REQ |
- WIPHY_WOWLAN_4WAY_HANDSHAKE;
- wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
- wiphy->wowlan.pattern_min_len = 1;
- wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
-
- wiphy->max_sched_scan_ssids = 10;
-
- ret = wiphy_register(wiphy);
- if (ret < 0) {
- ath6kl_err("couldn't register wiphy device\n");
- return ret;
- }
-
- return 0;
-}
-
-static int ath6kl_init_if_data(struct ath6kl_vif *vif)
+static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
{
- vif->aggr_cntxt = aggr_init(vif->ndev);
+ vif->aggr_cntxt = aggr_init(vif);
if (!vif->aggr_cntxt) {
ath6kl_err("failed to initialize aggr\n");
return -ENOMEM;
@@ -2758,12 +3043,15 @@ static int ath6kl_init_if_data(struct ath6kl_vif *vif)
set_bit(WMM_ENABLED, &vif->flags);
spin_lock_init(&vif->if_lock);
+ INIT_LIST_HEAD(&vif->mc_filter);
+
return 0;
}
-void ath6kl_deinit_if_data(struct ath6kl_vif *vif)
+void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
{
struct ath6kl *ar = vif->ar;
+ struct ath6kl_mc_filter *mc_filter, *tmp;
aggr_module_destroy(vif->aggr_cntxt);
@@ -2772,6 +3060,11 @@ void ath6kl_deinit_if_data(struct ath6kl_vif *vif)
if (vif->nw_type == ADHOC_NETWORK)
ar->ibss_if_active = false;
+ list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
+ list_del(&mc_filter->list);
+ kfree(mc_filter);
+ }
+
unregister_netdevice(vif->ndev);
ar->num_vif--;
@@ -2797,7 +3090,10 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
vif->wdev.netdev = ndev;
vif->wdev.iftype = type;
vif->fw_vif_idx = fw_vif_idx;
- vif->nw_type = vif->next_mode = nw_type;
+ vif->nw_type = nw_type;
+ vif->next_mode = nw_type;
+ vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
+ vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
if (fw_vif_idx != 0)
@@ -2808,8 +3104,7 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
ath6kl_init_control_info(vif);
- /* TODO: Pass interface specific pointer instead of ar */
- if (ath6kl_init_if_data(vif))
+ if (ath6kl_cfg80211_vif_init(vif))
goto err;
if (register_netdevice(ndev))
@@ -2836,8 +3131,107 @@ err:
return NULL;
}
-void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar)
+int ath6kl_cfg80211_init(struct ath6kl *ar)
+{
+ struct wiphy *wiphy = ar->wiphy;
+ int ret;
+
+ wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
+
+ wiphy->max_remain_on_channel_duration = 5000;
+
+ /* set device pointer for wiphy */
+ set_wiphy_dev(wiphy, ar->dev);
+
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_AP);
+ if (ar->p2p) {
+ wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT);
+ }
+
+ /* max num of ssids that can be probed during scanning */
+ wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
+ wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
+ wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
+ wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
+ wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+
+ wiphy->cipher_suites = cipher_suites;
+ wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+ wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
+ WIPHY_WOWLAN_DISCONNECT |
+ WIPHY_WOWLAN_GTK_REKEY_FAILURE |
+ WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
+ WIPHY_WOWLAN_EAP_IDENTITY_REQ |
+ WIPHY_WOWLAN_4WAY_HANDSHAKE;
+ wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
+ wiphy->wowlan.pattern_min_len = 1;
+ wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
+
+ wiphy->max_sched_scan_ssids = 10;
+
+ ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
+ WIPHY_FLAG_HAVE_AP_SME |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
+
+ if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
+ ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
+
+ ar->wiphy->probe_resp_offload =
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
+
+ ret = wiphy_register(wiphy);
+ if (ret < 0) {
+ ath6kl_err("couldn't register wiphy device\n");
+ return ret;
+ }
+
+ ar->wiphy_registered = true;
+
+ return 0;
+}
+
+void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
{
wiphy_unregister(ar->wiphy);
+
+ ar->wiphy_registered = false;
+}
+
+struct ath6kl *ath6kl_cfg80211_create(void)
+{
+ struct ath6kl *ar;
+ struct wiphy *wiphy;
+
+ /* create a new wiphy for use with cfg80211 */
+ wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
+
+ if (!wiphy) {
+ ath6kl_err("couldn't allocate wiphy device\n");
+ return NULL;
+ }
+
+ ar = wiphy_priv(wiphy);
+ ar->wiphy = wiphy;
+
+ return ar;
+}
+
+/* Note: ar variable must not be accessed after calling this! */
+void ath6kl_cfg80211_destroy(struct ath6kl *ar)
+{
+ int i;
+
+ for (i = 0; i < AP_MAX_NUM_STA; i++)
+ kfree(ar->sta_list[i].aggr_conn);
+
wiphy_free(ar->wiphy);
}
+
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.