/*
* 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
#include <linux/moduleparam.h>
#include <linux/inetdevice.h>
+#include <linux/export.h>
#include "core.h"
#include "cfg80211.h"
#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), \
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;
}
ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
- ath6kl_deinit_if_data(vif);
+ ath6kl_cfg80211_vif_cleanup(vif);
return 0;
}
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 in_device *in_dev;
- struct in_ifaddr *ifa;
- struct ath6kl_vif *vif;
- int ret, pos, left;
- u32 filter = 0;
+ int ret, pos;
+ u8 mask[WOW_MASK_SIZE];
u16 i;
- u8 mask[WOW_MASK_SIZE], 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 -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++) {
/*
* 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;
+
+ if (wow->magic_pkt)
+ *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
+
+ if (wow->gtk_rekey_failure)
+ *filter |= WOW_FILTER_OPTION_GTK_ERROR;
+
+ if (wow->eap_identity_req)
+ *filter |= WOW_FILTER_OPTION_EAP_REQ;
+
+ if (wow->four_way_handshake)
+ *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)
}
skip_arp:
- if (wow->disconnect)
- filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
-
- if (wow->magic_pkt)
- filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
-
- if (wow->gtk_rekey_failure)
- filter |= WOW_FILTER_OPTION_GTK_ERROR;
-
- if (wow->eap_identity_req)
- filter |= WOW_FILTER_OPTION_EAP_REQ;
-
- if (wow->four_way_handshake)
- filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
-
ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
ATH6KL_WOW_MODE_ENABLE,
filter,
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);
return 0;
}
+EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
int ath6kl_cfg80211_resume(struct ath6kl *ar)
{
return 0;
}
+EXPORT_SYMBOL(ath6kl_cfg80211_resume);
#ifdef CONFIG_PM
ath6kl_cfg80211_stop(vif);
}
-struct ath6kl *ath6kl_core_alloc(struct device *dev)
+static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
{
- 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_b = A_DEFAULT_LISTEN_INTERVAL;
- ar->tx_pwr = 0;
-
- ar->intra_bss = 1;
- ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
-
- ar->state = ATH6KL_STATE_OFF;
-
- memset((u8 *)ar->sta_list, 0,
- AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
-
- /* Init the PS queues */
- for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
- spin_lock_init(&ar->sta_list[ctr].psq_lock);
- skb_queue_head_init(&ar->sta_list[ctr].psq);
- skb_queue_head_init(&ar->sta_list[ctr].apsdq);
- }
-
- 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)
-{
- 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;
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;
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))
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);
}
+