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path: root/drivers/net/wireless/rtlwifi/base.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/base.c')
-rw-r--r--drivers/net/wireless/rtlwifi/base.c153
1 files changed, 92 insertions, 61 deletions
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index af59dd5718e..93bb384eb00 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -37,6 +37,7 @@
#include <linux/ip.h>
#include <linux/module.h>
+#include <linux/udp.h>
/*
*NOTICE!!!: This file will be very big, we should
@@ -172,6 +173,7 @@ u8 rtl_tid_to_ac(u8 tid)
{
return tid_to_ac[tid];
}
+EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
struct ieee80211_sta_ht_cap *ht_cap)
@@ -351,7 +353,6 @@ static void _rtl_init_mac80211(struct ieee80211_hw *hw)
/* TODO: Correct this value for our hw */
/* TODO: define these hard code value */
- hw->channel_change_time = 100;
hw->max_listen_interval = 10;
hw->max_rate_tries = 4;
/* hw->max_rates = 1; */
@@ -380,7 +381,7 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
/* <2> work queue */
rtlpriv->works.hw = hw;
- rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
+ rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
(void *)rtl_watchdog_wq_callback);
INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
@@ -406,6 +407,7 @@ void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
cancel_delayed_work(&rtlpriv->works.fwevt_wq);
}
+EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
void rtl_init_rfkill(struct ieee80211_hw *hw)
{
@@ -439,6 +441,7 @@ void rtl_deinit_rfkill(struct ieee80211_hw *hw)
{
wiphy_rfkill_stop_polling(hw->wiphy);
}
+EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
int rtl_init_core(struct ieee80211_hw *hw)
{
@@ -489,10 +492,12 @@ int rtl_init_core(struct ieee80211_hw *hw)
return 0;
}
+EXPORT_SYMBOL_GPL(rtl_init_core);
void rtl_deinit_core(struct ieee80211_hw *hw)
{
}
+EXPORT_SYMBOL_GPL(rtl_deinit_core);
void rtl_init_rx_config(struct ieee80211_hw *hw)
{
@@ -501,6 +506,7 @@ void rtl_init_rx_config(struct ieee80211_hw *hw)
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
}
+EXPORT_SYMBOL_GPL(rtl_init_rx_config);
/*********************************************************
*
@@ -879,6 +885,7 @@ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
return true;
}
+EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
void rtl_get_tcb_desc(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info,
@@ -1052,6 +1059,7 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
return true;
}
+EXPORT_SYMBOL_GPL(rtl_action_proc);
/*should call before software enc*/
u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
@@ -1066,65 +1074,54 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
if (!ieee80211_is_data(fc))
return false;
+ ip = (const struct iphdr *)(skb->data + mac_hdr_len +
+ SNAP_SIZE + PROTOC_TYPE_SIZE);
+ ether_type = be16_to_cpup((__be16 *)
+ (skb->data + mac_hdr_len + SNAP_SIZE));
- ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
- SNAP_SIZE + PROTOC_TYPE_SIZE);
- ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
- /* ether_type = ntohs(ether_type); */
-
- if (ETH_P_IP == ether_type) {
- if (IPPROTO_UDP == ip->protocol) {
- struct udphdr *udp = (struct udphdr *)((u8 *) ip +
- (ip->ihl << 2));
- if (((((u8 *) udp)[1] == 68) &&
- (((u8 *) udp)[3] == 67)) ||
- ((((u8 *) udp)[1] == 67) &&
- (((u8 *) udp)[3] == 68))) {
- /*
- * 68 : UDP BOOTP client
- * 67 : UDP BOOTP server
- */
- RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
- DBG_DMESG, "dhcp %s !!\n",
- is_tx ? "Tx" : "Rx");
-
- if (is_tx) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->
- works.lps_change_work);
- ppsc->last_delaylps_stamp_jiffies =
- jiffies;
- }
+ switch (ether_type) {
+ case ETH_P_IP: {
+ struct udphdr *udp;
+ u16 src;
+ u16 dst;
- return true;
- }
- }
- } else if (ETH_P_ARP == ether_type) {
- if (is_tx) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- ppsc->last_delaylps_stamp_jiffies = jiffies;
- }
+ if (ip->protocol != IPPROTO_UDP)
+ return false;
+ udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
+ src = be16_to_cpu(udp->source);
+ dst = be16_to_cpu(udp->dest);
+
+ /* If this case involves port 68 (UDP BOOTP client) connecting
+ * with port 67 (UDP BOOTP server), then return true so that
+ * the lowest speed is used.
+ */
+ if (!((src == 68 && dst == 67) || (src == 67 && dst == 68)))
+ return false;
- return true;
- } else if (ETH_P_PAE == ether_type) {
+ RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
+ "dhcp %s !!\n", is_tx ? "Tx" : "Rx");
+ break;
+ }
+ case ETH_P_ARP:
+ break;
+ case ETH_P_PAE:
RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
"802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx");
-
- if (is_tx) {
- rtlpriv->enter_ps = false;
- schedule_work(&rtlpriv->works.lps_change_work);
- ppsc->last_delaylps_stamp_jiffies = jiffies;
- }
-
- return true;
- } else if (ETH_P_IPV6 == ether_type) {
- /* IPv6 */
- return true;
+ break;
+ case ETH_P_IPV6:
+ /* TODO: Is this right? */
+ return false;
+ default:
+ return false;
}
-
- return false;
+ if (is_tx) {
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
+ ppsc->last_delaylps_stamp_jiffies = jiffies;
+ }
+ return true;
}
+EXPORT_SYMBOL_GPL(rtl_is_special_data);
/*********************************************************
*
@@ -1295,11 +1292,12 @@ void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
return;
/* and only beacons from the associated BSSID, please */
- if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid))
+ if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
return;
rtlpriv->link_info.bcn_rx_inperiod++;
}
+EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
void rtl_watchdog_wq_callback(void *data)
{
@@ -1438,7 +1436,8 @@ void rtl_watchdog_wq_callback(void *data)
/* if we can't recv beacon for 6s, we should
* reconnect this AP
*/
- if (rtlpriv->link_info.roam_times >= 3) {
+ if ((rtlpriv->link_info.roam_times >= 3) &&
+ !is_zero_ether_addr(rtlpriv->mac80211.bssid)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"AP off, try to reconnect now\n");
rtlpriv->link_info.roam_times = 0;
@@ -1603,6 +1602,35 @@ err_free:
}
EXPORT_SYMBOL(rtl_send_smps_action);
+void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ enum io_type iotype;
+
+ if (!is_hal_stop(rtlhal)) {
+ switch (operation) {
+ case SCAN_OPT_BACKUP:
+ iotype = IO_CMD_PAUSE_DM_BY_SCAN;
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_IO_CMD,
+ (u8 *)&iotype);
+ break;
+ case SCAN_OPT_RESTORE:
+ iotype = IO_CMD_RESUME_DM_BY_SCAN;
+ rtlpriv->cfg->ops->set_hw_reg(hw,
+ HW_VAR_IO_CMD,
+ (u8 *)&iotype);
+ break;
+ default:
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+ "Unknown Scan Backup operation.\n");
+ break;
+ }
+ }
+}
+EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
+
/* There seem to be issues in mac80211 regarding when del ba frames can be
* received. As a work around, we make a fake del_ba if we receive a ba_req;
* however, rx_agg was opened to let mac80211 release some ba related
@@ -1752,7 +1780,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
return;
/* and only beacons from the associated BSSID, please */
- if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
+ if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
return;
if (rtl_find_221_ie(hw, data, len))
@@ -1793,6 +1821,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
mac->vendor = vendor;
}
+EXPORT_SYMBOL_GPL(rtl_recognize_peer);
/*********************************************************
*
@@ -1817,7 +1846,7 @@ static ssize_t rtl_store_debug_level(struct device *d,
unsigned long val;
int ret;
- ret = strict_strtoul(buf, 0, &val);
+ ret = kstrtoul(buf, 0, &val);
if (ret) {
printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
} else {
@@ -1849,6 +1878,7 @@ struct attribute_group rtl_attribute_group = {
.name = "rtlsysfs",
.attrs = rtl_sysfs_entries,
};
+EXPORT_SYMBOL_GPL(rtl_attribute_group);
MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
@@ -1856,7 +1886,8 @@ MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
-struct rtl_global_var global_var = {};
+struct rtl_global_var rtl_global_var = {};
+EXPORT_SYMBOL_GPL(rtl_global_var);
static int __init rtl_core_module_init(void)
{
@@ -1864,8 +1895,8 @@ static int __init rtl_core_module_init(void)
pr_err("Unable to register rtl_rc, use default RC !!\n");
/* init some global vars */
- INIT_LIST_HEAD(&global_var.glb_priv_list);
- spin_lock_init(&global_var.glb_list_lock);
+ INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
+ spin_lock_init(&rtl_global_var.glb_list_lock);
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 16:08:58 +0000