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Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/cfg80211.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/cfg80211.c606
1 files changed, 403 insertions, 203 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 6c59a217b1a1..d1922d8eb3bb 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -15,6 +15,8 @@
*/
#include <linux/moduleparam.h>
+#include <linux/inetdevice.h>
+#include <linux/export.h>
#include "core.h"
#include "cfg80211.h"
@@ -22,10 +24,6 @@
#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), \
@@ -196,7 +194,7 @@ 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;
}
@@ -461,13 +459,13 @@ 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 +521,7 @@ 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);
@@ -605,11 +602,13 @@ 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 +637,7 @@ 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 +651,9 @@ 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");
-
- if (bss == NULL)
- return -ENOMEM;
+ ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
- cfg80211_put_bss(bss);
-
- return 0;
+ return bss;
}
void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
@@ -672,6 +665,7 @@ 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 +706,9 @@ 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 +717,7 @@ 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 +728,11 @@ 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);
}
}
@@ -984,6 +980,7 @@ 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 +994,7 @@ 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 +1009,21 @@ 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:
@@ -1115,7 +1110,7 @@ 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 +1143,7 @@ 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 +1179,7 @@ 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);
@@ -1403,7 +1398,7 @@ 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 +1723,14 @@ 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 +1753,221 @@ 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;
+ 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;
+
+ /* 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 +1975,26 @@ 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);
@@ -1911,6 +2098,7 @@ int ath6kl_cfg80211_suspend(struct ath6kl *ar,
return 0;
}
+EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
int ath6kl_cfg80211_resume(struct ath6kl *ar)
{
@@ -1962,6 +2150,7 @@ int ath6kl_cfg80211_resume(struct ath6kl *ar)
return 0;
}
+EXPORT_SYMBOL(ath6kl_cfg80211_resume);
#ifdef CONFIG_PM
@@ -2014,7 +2203,18 @@ 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;
@@ -2214,6 +2414,11 @@ 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 {
@@ -2259,6 +2464,19 @@ 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)
{
@@ -2518,6 +2736,12 @@ 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),
@@ -2562,6 +2786,7 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = {
.add_beacon = ath6kl_add_beacon,
.set_beacon = ath6kl_set_beacon,
.del_beacon = ath6kl_del_beacon,
+ .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 +2854,9 @@ 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 +2870,15 @@ 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 +2887,11 @@ 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--;
@@ -2808,8 +2928,7 @@ 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 +2955,89 @@ 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;
+
+ ret = wiphy_register(wiphy);
+ if (ret < 0) {
+ ath6kl_err("couldn't register wiphy device\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
{
wiphy_unregister(ar->wiphy);
+}
+
+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);
}
+
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