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path: root/drivers/net/wireless/ath/ath6kl/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/main.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/main.c234
1 files changed, 204 insertions, 30 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index eea3c747653..229e1922ebe 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.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
@@ -52,9 +53,11 @@ struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid)
return conn;
}
-static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie,
- u8 ielen, u8 keymgmt, u8 ucipher, u8 auth)
+static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid,
+ u8 *wpaie, size_t ielen, u8 keymgmt,
+ u8 ucipher, u8 auth, u8 apsd_info)
{
+ struct ath6kl *ar = vif->ar;
struct ath6kl_sta *sta;
u8 free_slot;
@@ -68,18 +71,31 @@ static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie,
sta->keymgmt = keymgmt;
sta->ucipher = ucipher;
sta->auth = auth;
+ sta->apsd_info = apsd_info;
ar->sta_list_index = ar->sta_list_index | (1 << free_slot);
ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid);
+ aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn);
}
static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i)
{
struct ath6kl_sta *sta = &ar->sta_list[i];
+ struct ath6kl_mgmt_buff *entry, *tmp;
/* empty the queued pkts in the PS queue if any */
spin_lock_bh(&sta->psq_lock);
skb_queue_purge(&sta->psq);
+ skb_queue_purge(&sta->apsdq);
+
+ if (sta->mgmt_psq_len != 0) {
+ list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) {
+ kfree(entry);
+ }
+ INIT_LIST_HEAD(&sta->mgmt_psq);
+ sta->mgmt_psq_len = 0;
+ }
+
spin_unlock_bh(&sta->psq_lock);
memset(&ar->ap_stats.sta[sta->aid - 1], 0,
@@ -90,7 +106,7 @@ static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i)
sta->sta_flags = 0;
ar->sta_list_index = ar->sta_list_index & ~(1 << i);
-
+ aggr_reset_state(sta->aggr_conn);
}
static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason)
@@ -252,7 +268,7 @@ int ath6kl_read_fwlogs(struct ath6kl *ar)
struct ath6kl_dbglog_hdr debug_hdr;
struct ath6kl_dbglog_buf debug_buf;
u32 address, length, dropped, firstbuf, debug_hdr_addr;
- int ret = 0, loop;
+ int ret, loop;
u8 *buf;
buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL);
@@ -334,7 +350,7 @@ void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
__le32 data;
if (target_type != TARGET_TYPE_AR6003 &&
- target_type != TARGET_TYPE_AR6004)
+ target_type != TARGET_TYPE_AR6004)
return;
data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) :
@@ -347,9 +363,6 @@ void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
case TARGET_TYPE_AR6004:
address = AR6004_RESET_CONTROL_ADDRESS;
break;
- default:
- address = AR6003_RESET_CONTROL_ADDRESS;
- break;
}
status = ath6kl_diag_write32(ar, address, data);
@@ -363,7 +376,7 @@ static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif)
u8 index;
u8 keyusage;
- for (index = WMI_MIN_KEY_INDEX; index <= WMI_MAX_KEY_INDEX; index++) {
+ for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) {
if (vif->wep_key_list[index].key_len) {
keyusage = GROUP_USAGE;
if (index == vif->def_txkey_index)
@@ -428,9 +441,8 @@ void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel)
void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
u8 keymgmt, u8 ucipher, u8 auth,
- u8 assoc_req_len, u8 *assoc_info)
+ u8 assoc_req_len, u8 *assoc_info, u8 apsd_info)
{
- struct ath6kl *ar = vif->ar;
u8 *ies = NULL, *wpa_ie = NULL, *pos;
size_t ies_len = 0;
struct station_info sinfo;
@@ -484,9 +496,9 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
pos += 2 + pos[1];
}
- ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie,
+ ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie,
wpa_ie ? 2 + wpa_ie[1] : 0,
- keymgmt, ucipher, auth);
+ keymgmt, ucipher, auth, apsd_info);
/* send event to application */
memset(&sinfo, 0, sizeof(sinfo));
@@ -589,8 +601,7 @@ void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid,
if ((vif->nw_type == INFRA_NETWORK))
ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
- ar->listen_intvl_t,
- ar->listen_intvl_b);
+ vif->listen_intvl_t, 0);
netif_wake_queue(vif->ndev);
@@ -601,7 +612,7 @@ void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid,
netif_carrier_on(vif->ndev);
spin_unlock_bh(&vif->if_lock);
- aggr_reset_state(vif->aggr_cntxt);
+ aggr_reset_state(vif->aggr_cntxt->aggr_conn);
vif->reconnect_flag = 0;
if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) {
@@ -808,6 +819,7 @@ void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
struct sk_buff *skb;
bool psq_empty = false;
struct ath6kl *ar = vif->ar;
+ struct ath6kl_mgmt_buff *mgmt_buf;
conn = ath6kl_find_sta_by_aid(ar, aid);
@@ -818,7 +830,7 @@ void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
* becomes empty update the PVB for this station.
*/
spin_lock_bh(&conn->psq_lock);
- psq_empty = skb_queue_empty(&conn->psq);
+ psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0);
spin_unlock_bh(&conn->psq_lock);
if (psq_empty)
@@ -826,15 +838,31 @@ void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
return;
spin_lock_bh(&conn->psq_lock);
- skb = skb_dequeue(&conn->psq);
- spin_unlock_bh(&conn->psq_lock);
+ if (conn->mgmt_psq_len > 0) {
+ mgmt_buf = list_first_entry(&conn->mgmt_psq,
+ struct ath6kl_mgmt_buff, list);
+ list_del(&mgmt_buf->list);
+ conn->mgmt_psq_len--;
+ spin_unlock_bh(&conn->psq_lock);
+
+ conn->sta_flags |= STA_PS_POLLED;
+ ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx,
+ mgmt_buf->id, mgmt_buf->freq,
+ mgmt_buf->wait, mgmt_buf->buf,
+ mgmt_buf->len, mgmt_buf->no_cck);
+ conn->sta_flags &= ~STA_PS_POLLED;
+ kfree(mgmt_buf);
+ } else {
+ skb = skb_dequeue(&conn->psq);
+ spin_unlock_bh(&conn->psq_lock);
- conn->sta_flags |= STA_PS_POLLED;
- ath6kl_data_tx(skb, vif->ndev);
- conn->sta_flags &= ~STA_PS_POLLED;
+ conn->sta_flags |= STA_PS_POLLED;
+ ath6kl_data_tx(skb, vif->ndev);
+ conn->sta_flags &= ~STA_PS_POLLED;
+ }
spin_lock_bh(&conn->psq_lock);
- psq_empty = skb_queue_empty(&conn->psq);
+ psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0);
spin_unlock_bh(&conn->psq_lock);
if (psq_empty)
@@ -920,10 +948,10 @@ void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
}
ath6kl_cfg80211_disconnect_event(vif, reason, bssid,
- assoc_resp_len, assoc_info,
- prot_reason_status);
+ assoc_resp_len, assoc_info,
+ prot_reason_status);
- aggr_reset_state(vif->aggr_cntxt);
+ aggr_reset_state(vif->aggr_cntxt->aggr_conn);
del_timer(&vif->disconnect_timer);
@@ -941,9 +969,9 @@ void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
} else {
set_bit(CONNECT_PEND, &vif->flags);
if (((reason == ASSOC_FAILED) &&
- (prot_reason_status == 0x11)) ||
- ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0)
- && (vif->reconnect_flag == 1))) {
+ (prot_reason_status == 0x11)) ||
+ ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) &&
+ (vif->reconnect_flag == 1))) {
set_bit(CONNECTED, &vif->flags);
return;
}
@@ -1020,11 +1048,155 @@ static struct net_device_stats *ath6kl_get_stats(struct net_device *dev)
return &vif->net_stats;
}
-static struct net_device_ops ath6kl_netdev_ops = {
+static int ath6kl_set_features(struct net_device *dev,
+ netdev_features_t features)
+{
+ struct ath6kl_vif *vif = netdev_priv(dev);
+ struct ath6kl *ar = vif->ar;
+ int err = 0;
+
+ if ((features & NETIF_F_RXCSUM) &&
+ (ar->rx_meta_ver != WMI_META_VERSION_2)) {
+ ar->rx_meta_ver = WMI_META_VERSION_2;
+ err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi,
+ vif->fw_vif_idx,
+ ar->rx_meta_ver, 0, 0);
+ if (err) {
+ dev->features = features & ~NETIF_F_RXCSUM;
+ return err;
+ }
+ } else if (!(features & NETIF_F_RXCSUM) &&
+ (ar->rx_meta_ver == WMI_META_VERSION_2)) {
+ ar->rx_meta_ver = 0;
+ err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi,
+ vif->fw_vif_idx,
+ ar->rx_meta_ver, 0, 0);
+ if (err) {
+ dev->features = features | NETIF_F_RXCSUM;
+ return err;
+ }
+
+ }
+
+ return err;
+}
+
+static void ath6kl_set_multicast_list(struct net_device *ndev)
+{
+ struct ath6kl_vif *vif = netdev_priv(ndev);
+ bool mc_all_on = false, mc_all_off = false;
+ int mc_count = netdev_mc_count(ndev);
+ struct netdev_hw_addr *ha;
+ bool found;
+ struct ath6kl_mc_filter *mc_filter, *tmp;
+ struct list_head mc_filter_new;
+ int ret;
+
+ if (!test_bit(WMI_READY, &vif->ar->flag) ||
+ !test_bit(WLAN_ENABLED, &vif->flags))
+ return;
+
+ mc_all_on = !!(ndev->flags & IFF_PROMISC) ||
+ !!(ndev->flags & IFF_ALLMULTI) ||
+ !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST);
+
+ mc_all_off = !(ndev->flags & IFF_MULTICAST) || mc_count == 0;
+
+ if (mc_all_on || mc_all_off) {
+ /* Enable/disable all multicast */
+ ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast filter\n",
+ mc_all_on ? "enabling" : "disabling");
+ ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx,
+ mc_all_on);
+ if (ret)
+ ath6kl_warn("Failed to %s multicast receive\n",
+ mc_all_on ? "enable" : "disable");
+ return;
+ }
+
+ list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
+ found = false;
+ netdev_for_each_mc_addr(ha, ndev) {
+ if (memcmp(ha->addr, mc_filter->hw_addr,
+ ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ /*
+ * Delete the filter which was previously set
+ * but not in the new request.
+ */
+ ath6kl_dbg(ATH6KL_DBG_TRC,
+ "Removing %pM from multicast filter\n",
+ mc_filter->hw_addr);
+ ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi,
+ vif->fw_vif_idx, mc_filter->hw_addr,
+ false);
+ if (ret) {
+ ath6kl_warn("Failed to remove multicast filter:%pM\n",
+ mc_filter->hw_addr);
+ return;
+ }
+
+ list_del(&mc_filter->list);
+ kfree(mc_filter);
+ }
+ }
+
+ INIT_LIST_HEAD(&mc_filter_new);
+
+ netdev_for_each_mc_addr(ha, ndev) {
+ found = false;
+ list_for_each_entry(mc_filter, &vif->mc_filter, list) {
+ if (memcmp(ha->addr, mc_filter->hw_addr,
+ ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter),
+ GFP_ATOMIC);
+ if (!mc_filter) {
+ WARN_ON(1);
+ goto out;
+ }
+
+ memcpy(mc_filter->hw_addr, ha->addr,
+ ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
+ /* Set the multicast filter */
+ ath6kl_dbg(ATH6KL_DBG_TRC,
+ "Adding %pM to multicast filter list\n",
+ mc_filter->hw_addr);
+ ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi,
+ vif->fw_vif_idx, mc_filter->hw_addr,
+ true);
+ if (ret) {
+ ath6kl_warn("Failed to add multicast filter :%pM\n",
+ mc_filter->hw_addr);
+ kfree(mc_filter);
+ goto out;
+ }
+
+ list_add_tail(&mc_filter->list, &mc_filter_new);
+ }
+ }
+
+out:
+ list_splice_tail(&mc_filter_new, &vif->mc_filter);
+}
+
+static const struct net_device_ops ath6kl_netdev_ops = {
.ndo_open = ath6kl_open,
.ndo_stop = ath6kl_close,
.ndo_start_xmit = ath6kl_data_tx,
.ndo_get_stats = ath6kl_get_stats,
+ .ndo_set_features = ath6kl_set_features,
+ .ndo_set_rx_mode = ath6kl_set_multicast_list,
};
void init_netdev(struct net_device *dev)
@@ -1038,5 +1210,7 @@ void init_netdev(struct net_device *dev)
sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH
+ WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES;
+ dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+
return;
}