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path: root/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c115
1 files changed, 63 insertions, 52 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
index 28a6ce3bc239..50303e1adff1 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
@@ -171,7 +171,6 @@ static void _rtl92c_write_fw(struct ieee80211_hw *hw,
static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- int err = -EIO;
u32 counter = 0;
u32 value32;
@@ -184,7 +183,7 @@ static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("chksum report faill ! REG_MCUFWDL:0x%08x .\n",
value32));
- goto exit;
+ return -EIO;
}
RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
@@ -204,8 +203,7 @@ static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
("Polling FW ready success!!"
" REG_MCUFWDL:0x%08x .\n",
value32));
- err = 0;
- goto exit;
+ return 0;
}
mdelay(FW_8192C_POLLING_DELAY);
@@ -214,9 +212,7 @@ static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("Polling FW ready fail!! REG_MCUFWDL:0x%08x .\n", value32));
-
-exit:
- return err;
+ return -EIO;
}
int rtl92c_download_fw(struct ieee80211_hw *hw)
@@ -226,32 +222,16 @@ int rtl92c_download_fw(struct ieee80211_hw *hw)
struct rtl92c_firmware_header *pfwheader;
u8 *pfwdata;
u32 fwsize;
- int err;
enum version_8192c version = rtlhal->version;
- const struct firmware *firmware;
- printk(KERN_INFO "rtl8192cu: Loading firmware file %s\n",
+ printk(KERN_INFO "rtl8192c: Loading firmware file %s\n",
rtlpriv->cfg->fw_name);
- err = request_firmware(&firmware, rtlpriv->cfg->fw_name,
- rtlpriv->io.dev);
- if (err) {
- printk(KERN_ERR "rtl8192cu: Firmware loading failed\n");
- return 1;
- }
-
- if (firmware->size > 0x4000) {
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- ("Firmware is too big!\n"));
- release_firmware(firmware);
+ if (!rtlhal->pfirmware)
return 1;
- }
-
- memcpy(rtlhal->pfirmware, firmware->data, firmware->size);
- fwsize = firmware->size;
- release_firmware(firmware);
pfwheader = (struct rtl92c_firmware_header *)rtlhal->pfirmware;
pfwdata = (u8 *) rtlhal->pfirmware;
+ fwsize = rtlhal->fwsize;
if (IS_FW_HEADER_EXIST(pfwheader)) {
RT_TRACE(rtlpriv, COMP_FW, DBG_DMESG,
@@ -267,8 +247,7 @@ int rtl92c_download_fw(struct ieee80211_hw *hw)
_rtl92c_write_fw(hw, version, pfwdata, fwsize);
_rtl92c_enable_fw_download(hw, false);
- err = _rtl92c_fw_free_to_go(hw);
- if (err) {
+ if (_rtl92c_fw_free_to_go(hw)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("Firmware is not ready to run!\n"));
} else {
@@ -300,10 +279,9 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 boxnum;
- u16 box_reg, box_extreg;
+ u16 box_reg = 0, box_extreg = 0;
u8 u1b_tmp;
bool isfw_read = false;
- u8 buf_index = 0;
bool bwrite_sucess = false;
u8 wait_h2c_limmit = 100;
u8 wait_writeh2c_limmit = 100;
@@ -414,7 +392,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
case 1:
boxcontent[0] &= ~(BIT(7));
memcpy((u8 *) (boxcontent) + 1,
- p_cmdbuffer + buf_index, 1);
+ p_cmdbuffer, 1);
for (idx = 0; idx < 4; idx++) {
rtl_write_byte(rtlpriv, box_reg + idx,
@@ -424,7 +402,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
case 2:
boxcontent[0] &= ~(BIT(7));
memcpy((u8 *) (boxcontent) + 1,
- p_cmdbuffer + buf_index, 2);
+ p_cmdbuffer, 2);
for (idx = 0; idx < 4; idx++) {
rtl_write_byte(rtlpriv, box_reg + idx,
@@ -434,7 +412,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
case 3:
boxcontent[0] &= ~(BIT(7));
memcpy((u8 *) (boxcontent) + 1,
- p_cmdbuffer + buf_index, 3);
+ p_cmdbuffer, 3);
for (idx = 0; idx < 4; idx++) {
rtl_write_byte(rtlpriv, box_reg + idx,
@@ -444,9 +422,9 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
case 4:
boxcontent[0] |= (BIT(7));
memcpy((u8 *) (boxextcontent),
- p_cmdbuffer + buf_index, 2);
+ p_cmdbuffer, 2);
memcpy((u8 *) (boxcontent) + 1,
- p_cmdbuffer + buf_index + 2, 2);
+ p_cmdbuffer + 2, 2);
for (idx = 0; idx < 2; idx++) {
rtl_write_byte(rtlpriv, box_extreg + idx,
@@ -461,9 +439,9 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
case 5:
boxcontent[0] |= (BIT(7));
memcpy((u8 *) (boxextcontent),
- p_cmdbuffer + buf_index, 2);
+ p_cmdbuffer, 2);
memcpy((u8 *) (boxcontent) + 1,
- p_cmdbuffer + buf_index + 2, 3);
+ p_cmdbuffer + 2, 3);
for (idx = 0; idx < 2; idx++) {
rtl_write_byte(rtlpriv, box_extreg + idx,
@@ -561,6 +539,39 @@ void rtl92c_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode)
}
EXPORT_SYMBOL(rtl92c_set_fw_pwrmode_cmd);
+static bool _rtl92c_cmd_send_packet(struct ieee80211_hw *hw,
+ struct sk_buff *skb)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ struct rtl8192_tx_ring *ring;
+ struct rtl_tx_desc *pdesc;
+ u8 own;
+ unsigned long flags;
+ struct sk_buff *pskb = NULL;
+
+ ring = &rtlpci->tx_ring[BEACON_QUEUE];
+
+ pskb = __skb_dequeue(&ring->queue);
+ if (pskb)
+ kfree_skb(pskb);
+
+ spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
+
+ pdesc = &ring->desc[0];
+ own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc, true, HW_DESC_OWN);
+
+ rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *) pdesc, 1, 1, skb);
+
+ __skb_queue_tail(&ring->queue, skb);
+
+ spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
+
+ rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
+
+ return true;
+}
+
#define BEACON_PG 0 /*->1*/
#define PSPOLL_PG 2
#define NULL_PG 3
@@ -678,7 +689,7 @@ static u8 reserved_page_packet[TOTAL_RESERVED_PKT_LEN] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
-void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
+void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -687,12 +698,12 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
u32 totalpacketlen;
bool rtstatus;
u8 u1RsvdPageLoc[3] = {0};
- bool b_dlok = false;
+ bool dlok = false;
u8 *beacon;
- u8 *p_pspoll;
+ u8 *pspoll;
u8 *nullfunc;
- u8 *p_probersp;
+ u8 *probersp;
/*---------------------------------------------------------
(1) beacon
---------------------------------------------------------*/
@@ -703,10 +714,10 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
/*-------------------------------------------------------
(2) ps-poll
--------------------------------------------------------*/
- p_pspoll = &reserved_page_packet[PSPOLL_PG * 128];
- SET_80211_PS_POLL_AID(p_pspoll, (mac->assoc_id | 0xc000));
- SET_80211_PS_POLL_BSSID(p_pspoll, mac->bssid);
- SET_80211_PS_POLL_TA(p_pspoll, mac->mac_addr);
+ pspoll = &reserved_page_packet[PSPOLL_PG * 128];
+ SET_80211_PS_POLL_AID(pspoll, (mac->assoc_id | 0xc000));
+ SET_80211_PS_POLL_BSSID(pspoll, mac->bssid);
+ SET_80211_PS_POLL_TA(pspoll, mac->mac_addr);
SET_H2CCMD_RSVDPAGE_LOC_PSPOLL(u1RsvdPageLoc, PSPOLL_PG);
@@ -723,10 +734,10 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
/*---------------------------------------------------------
(4) probe response
----------------------------------------------------------*/
- p_probersp = &reserved_page_packet[PROBERSP_PG * 128];
- SET_80211_HDR_ADDRESS1(p_probersp, mac->bssid);
- SET_80211_HDR_ADDRESS2(p_probersp, mac->mac_addr);
- SET_80211_HDR_ADDRESS3(p_probersp, mac->bssid);
+ probersp = &reserved_page_packet[PROBERSP_PG * 128];
+ SET_80211_HDR_ADDRESS1(probersp, mac->bssid);
+ SET_80211_HDR_ADDRESS2(probersp, mac->mac_addr);
+ SET_80211_HDR_ADDRESS3(probersp, mac->bssid);
SET_H2CCMD_RSVDPAGE_LOC_PROBE_RSP(u1RsvdPageLoc, PROBERSP_PG);
@@ -744,12 +755,12 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
memcpy((u8 *) skb_put(skb, totalpacketlen),
&reserved_page_packet, totalpacketlen);
- rtstatus = rtlpriv->cfg->ops->cmd_send_packet(hw, skb);
+ rtstatus = _rtl92c_cmd_send_packet(hw, skb);
if (rtstatus)
- b_dlok = true;
+ dlok = true;
- if (b_dlok) {
+ if (dlok) {
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
("Set RSVD page location to Fw.\n"));
RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_DMESG,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.