// SPDX-License-Identifier: GPL-2.0
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/******************************************************************************
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* os_intfs.c
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*
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* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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* Linux device driver for RTL8192SU
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*
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* Modifications for inclusion into the Linux staging tree are
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* Copyright(c) 2010 Larry Finger. All rights reserved.
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*
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* Contact information:
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* WLAN FAE <wlanfae@realtek.com>.
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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******************************************************************************/
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#define _OS_INTFS_C_
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#include <linux/module.h>
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#include <linux/kthread.h>
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#include <linux/firmware.h>
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#include "osdep_service.h"
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#include "drv_types.h"
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#include "xmit_osdep.h"
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#include "recv_osdep.h"
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#include "rtl871x_ioctl.h"
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#include "usb_osintf.h"
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("rtl871x wireless lan driver");
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MODULE_AUTHOR("Larry Finger");
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static char ifname[IFNAMSIZ] = "wlan%d";
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/* module param defaults */
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static int chip_version = RTL8712_2ndCUT;
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static int rfintfs = HWPI;
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static int lbkmode = RTL8712_AIR_TRX;
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static int hci = RTL8712_USB;
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static int ampdu_enable = 1;/*for enable tx_ampdu*/
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/* The video_mode variable is for video mode.*/
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/* It may be specify when inserting module with video_mode=1 parameter.*/
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static int video_mode = 1; /* enable video mode*/
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/*Ndis802_11Infrastructure; infra, ad-hoc, auto*/
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static int network_mode = Ndis802_11IBSS;
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static int channel = 1;/*ad-hoc support requirement*/
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static int wireless_mode = WIRELESS_11BG;
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static int vrtl_carrier_sense = AUTO_VCS;
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static int vcs_type = RTS_CTS;
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static int frag_thresh = 2346;
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static int preamble = PREAMBLE_LONG;/*long, short, auto*/
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static int scan_mode = 1;/*active, passive*/
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static int adhoc_tx_pwr = 1;
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static int soft_ap;
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static int smart_ps = 1;
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static int power_mgnt = PS_MODE_ACTIVE;
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static int radio_enable = 1;
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static int long_retry_lmt = 7;
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static int short_retry_lmt = 7;
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static int busy_thresh = 40;
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static int ack_policy = NORMAL_ACK;
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static int mp_mode;
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static int software_encrypt;
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static int software_decrypt;
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static int wmm_enable;/* default is set to disable the wmm.*/
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static int uapsd_enable;
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static int uapsd_max_sp = NO_LIMIT;
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static int uapsd_acbk_en;
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static int uapsd_acbe_en;
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static int uapsd_acvi_en;
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static int uapsd_acvo_en;
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static int ht_enable = 1;
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static int cbw40_enable = 1;
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static int rf_config = RTL8712_RF_1T2R; /* 1T2R*/
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static int low_power;
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/* mac address to use instead of the one stored in Efuse */
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char *r8712_initmac;
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static char *initmac;
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/* if wifi_test = 1, driver will disable the turbo mode and pass it to
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* firmware private.
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*/
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static int wifi_test;
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module_param_string(ifname, ifname, sizeof(ifname), 0644);
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module_param(wifi_test, int, 0644);
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module_param(initmac, charp, 0644);
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module_param(video_mode, int, 0644);
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module_param(chip_version, int, 0644);
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module_param(rfintfs, int, 0644);
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module_param(lbkmode, int, 0644);
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module_param(hci, int, 0644);
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module_param(network_mode, int, 0644);
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module_param(channel, int, 0644);
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module_param(mp_mode, int, 0644);
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module_param(wmm_enable, int, 0644);
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module_param(vrtl_carrier_sense, int, 0644);
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module_param(vcs_type, int, 0644);
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module_param(busy_thresh, int, 0644);
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module_param(ht_enable, int, 0644);
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module_param(cbw40_enable, int, 0644);
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module_param(ampdu_enable, int, 0644);
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module_param(rf_config, int, 0644);
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module_param(power_mgnt, int, 0644);
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module_param(low_power, int, 0644);
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MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
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MODULE_PARM_DESC(initmac, "MAC-Address, default: use FUSE");
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static int netdev_open(struct net_device *pnetdev);
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static int netdev_close(struct net_device *pnetdev);
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static void loadparam(struct _adapter *padapter, struct net_device *pnetdev)
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{
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struct registry_priv *registry_par = &padapter->registrypriv;
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registry_par->chip_version = (u8)chip_version;
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registry_par->rfintfs = (u8)rfintfs;
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registry_par->lbkmode = (u8)lbkmode;
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registry_par->hci = (u8)hci;
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registry_par->network_mode = (u8)network_mode;
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memcpy(registry_par->ssid.Ssid, "ANY", 3);
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registry_par->ssid.SsidLength = 3;
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registry_par->channel = (u8)channel;
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registry_par->wireless_mode = (u8)wireless_mode;
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registry_par->vrtl_carrier_sense = (u8)vrtl_carrier_sense;
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registry_par->vcs_type = (u8)vcs_type;
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registry_par->frag_thresh = (u16)frag_thresh;
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registry_par->preamble = (u8)preamble;
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registry_par->scan_mode = (u8)scan_mode;
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registry_par->adhoc_tx_pwr = (u8)adhoc_tx_pwr;
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registry_par->soft_ap = (u8)soft_ap;
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registry_par->smart_ps = (u8)smart_ps;
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registry_par->power_mgnt = (u8)power_mgnt;
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registry_par->radio_enable = (u8)radio_enable;
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registry_par->long_retry_lmt = (u8)long_retry_lmt;
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registry_par->short_retry_lmt = (u8)short_retry_lmt;
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registry_par->busy_thresh = (u16)busy_thresh;
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registry_par->ack_policy = (u8)ack_policy;
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registry_par->mp_mode = (u8)mp_mode;
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registry_par->software_encrypt = (u8)software_encrypt;
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registry_par->software_decrypt = (u8)software_decrypt;
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/*UAPSD*/
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registry_par->wmm_enable = (u8)wmm_enable;
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registry_par->uapsd_enable = (u8)uapsd_enable;
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registry_par->uapsd_max_sp = (u8)uapsd_max_sp;
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registry_par->uapsd_acbk_en = (u8)uapsd_acbk_en;
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registry_par->uapsd_acbe_en = (u8)uapsd_acbe_en;
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registry_par->uapsd_acvi_en = (u8)uapsd_acvi_en;
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registry_par->uapsd_acvo_en = (u8)uapsd_acvo_en;
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registry_par->ht_enable = (u8)ht_enable;
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registry_par->cbw40_enable = (u8)cbw40_enable;
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registry_par->ampdu_enable = (u8)ampdu_enable;
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registry_par->rf_config = (u8)rf_config;
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registry_par->low_power = (u8)low_power;
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registry_par->wifi_test = (u8)wifi_test;
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r8712_initmac = initmac;
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}
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static int r871x_net_set_mac_address(struct net_device *pnetdev, void *p)
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{
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struct _adapter *padapter = netdev_priv(pnetdev);
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struct sockaddr *addr = p;
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if (!padapter->bup)
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ether_addr_copy(pnetdev->dev_addr, addr->sa_data);
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return 0;
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}
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static struct net_device_stats *r871x_net_get_stats(struct net_device *pnetdev)
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{
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struct _adapter *padapter = netdev_priv(pnetdev);
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struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
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struct recv_priv *precvpriv = &padapter->recvpriv;
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padapter->stats.tx_packets = pxmitpriv->tx_pkts;
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padapter->stats.rx_packets = precvpriv->rx_pkts;
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padapter->stats.tx_dropped = pxmitpriv->tx_drop;
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padapter->stats.rx_dropped = precvpriv->rx_drop;
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padapter->stats.tx_bytes = pxmitpriv->tx_bytes;
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padapter->stats.rx_bytes = precvpriv->rx_bytes;
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return &padapter->stats;
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}
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static const struct net_device_ops rtl8712_netdev_ops = {
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.ndo_open = netdev_open,
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.ndo_stop = netdev_close,
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.ndo_start_xmit = r8712_xmit_entry,
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.ndo_set_mac_address = r871x_net_set_mac_address,
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.ndo_get_stats = r871x_net_get_stats,
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.ndo_do_ioctl = r871x_ioctl,
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};
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struct net_device *r8712_init_netdev(void)
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{
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struct _adapter *padapter;
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struct net_device *pnetdev;
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pnetdev = alloc_etherdev(sizeof(struct _adapter));
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if (!pnetdev)
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return NULL;
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if (dev_alloc_name(pnetdev, ifname) < 0) {
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strcpy(ifname, "wlan%d");
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dev_alloc_name(pnetdev, ifname);
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}
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padapter = netdev_priv(pnetdev);
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padapter->pnetdev = pnetdev;
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pr_info("r8712u: register rtl8712_netdev_ops to netdev_ops\n");
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pnetdev->netdev_ops = &rtl8712_netdev_ops;
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pnetdev->watchdog_timeo = HZ; /* 1 second timeout */
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pnetdev->wireless_handlers = (struct iw_handler_def *)
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&r871x_handlers_def;
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loadparam(padapter, pnetdev);
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netif_carrier_off(pnetdev);
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padapter->pid = 0; /* Initial the PID value used for HW PBC.*/
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return pnetdev;
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}
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static u32 start_drv_threads(struct _adapter *padapter)
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{
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padapter->cmd_thread = kthread_run(r8712_cmd_thread, padapter, "%s",
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padapter->pnetdev->name);
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if (IS_ERR(padapter->cmd_thread))
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return _FAIL;
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return _SUCCESS;
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}
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void r8712_stop_drv_threads(struct _adapter *padapter)
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{
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struct completion *completion =
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&padapter->cmdpriv.terminate_cmdthread_comp;
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/*Below is to terminate r8712_cmd_thread & event_thread...*/
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complete(&padapter->cmdpriv.cmd_queue_comp);
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if (padapter->cmd_thread)
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wait_for_completion_interruptible(completion);
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padapter->cmdpriv.cmd_seq = 1;
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}
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static void start_drv_timers(struct _adapter *padapter)
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{
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mod_timer(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer,
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jiffies + msecs_to_jiffies(5000));
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mod_timer(&padapter->mlmepriv.wdg_timer,
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jiffies + msecs_to_jiffies(2000));
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}
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void r8712_stop_drv_timers(struct _adapter *padapter)
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{
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del_timer_sync(&padapter->mlmepriv.assoc_timer);
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del_timer_sync(&padapter->securitypriv.tkip_timer);
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del_timer_sync(&padapter->mlmepriv.scan_to_timer);
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del_timer_sync(&padapter->mlmepriv.dhcp_timer);
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del_timer_sync(&padapter->mlmepriv.wdg_timer);
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del_timer_sync(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer);
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}
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static void init_default_value(struct _adapter *padapter)
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{
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struct registry_priv *pregistrypriv = &padapter->registrypriv;
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struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct security_priv *psecuritypriv = &padapter->securitypriv;
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/*xmit_priv*/
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pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
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pxmitpriv->vcs = pregistrypriv->vcs_type;
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pxmitpriv->vcs_type = pregistrypriv->vcs_type;
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pxmitpriv->rts_thresh = pregistrypriv->rts_thresh;
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pxmitpriv->frag_len = pregistrypriv->frag_thresh;
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/* mlme_priv */
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/* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
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pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
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/*ht_priv*/
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{
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int i;
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struct ht_priv *phtpriv = &pmlmepriv->htpriv;
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phtpriv->ampdu_enable = false;/*set to disabled*/
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for (i = 0; i < 16; i++)
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phtpriv->baddbareq_issued[i] = false;
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}
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/*security_priv*/
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psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt;
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psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt;
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psecuritypriv->binstallGrpkey = _FAIL;
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/*pwrctrl_priv*/
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/*registry_priv*/
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r8712_init_registrypriv_dev_network(padapter);
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r8712_update_registrypriv_dev_network(padapter);
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/*misc.*/
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}
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int r8712_init_drv_sw(struct _adapter *padapter)
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{
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int ret;
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ret = r8712_init_cmd_priv(&padapter->cmdpriv);
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if (ret)
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return ret;
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padapter->cmdpriv.padapter = padapter;
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ret = r8712_init_evt_priv(&padapter->evtpriv);
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if (ret)
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return ret;
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ret = r8712_init_mlme_priv(padapter);
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if (ret)
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return ret;
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_r8712_init_xmit_priv(&padapter->xmitpriv, padapter);
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_r8712_init_recv_priv(&padapter->recvpriv, padapter);
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memset((unsigned char *)&padapter->securitypriv, 0,
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sizeof(struct security_priv));
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timer_setup(&padapter->securitypriv.tkip_timer,
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r8712_use_tkipkey_handler, 0);
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ret = _r8712_init_sta_priv(&padapter->stapriv);
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if (ret)
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return ret;
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padapter->stapriv.padapter = padapter;
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r8712_init_bcmc_stainfo(padapter);
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r8712_init_pwrctrl_priv(padapter);
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mp871xinit(padapter);
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init_default_value(padapter);
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r8712_InitSwLeds(padapter);
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return ret;
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}
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void r8712_free_drv_sw(struct _adapter *padapter)
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{
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r8712_free_cmd_priv(&padapter->cmdpriv);
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r8712_free_evt_priv(&padapter->evtpriv);
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r8712_DeInitSwLeds(padapter);
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r8712_free_mlme_priv(&padapter->mlmepriv);
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_free_xmit_priv(&padapter->xmitpriv);
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_r8712_free_sta_priv(&padapter->stapriv);
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_r8712_free_recv_priv(&padapter->recvpriv);
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mp871xdeinit(padapter);
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}
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static void enable_video_mode(struct _adapter *padapter, int cbw40_value)
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{
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/* bit 8:
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* 1 -> enable video mode to 96B AP
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* 0 -> disable video mode to 96B AP
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* bit 9:
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* 1 -> enable 40MHz mode
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* 0 -> disable 40MHz mode
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* bit 10:
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* 1 -> enable STBC
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* 0 -> disable STBC
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*/
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u32 intcmd = 0xf4000500; /* enable bit8, bit10*/
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if (cbw40_value) {
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/* if the driver supports the 40M bandwidth,
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* we can enable the bit 9.
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*/
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intcmd |= 0x200;
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}
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r8712_fw_cmd(padapter, intcmd);
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}
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/*
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*
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* This function intends to handle the activation of an interface
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* i.e. when it is brought Up/Active from a Down state.
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*
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*/
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static int netdev_open(struct net_device *pnetdev)
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{
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struct _adapter *padapter = netdev_priv(pnetdev);
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mutex_lock(&padapter->mutex_start);
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if (!padapter->bup) {
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padapter->driver_stopped = false;
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padapter->surprise_removed = false;
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padapter->bup = true;
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if (rtl871x_hal_init(padapter) != _SUCCESS)
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goto netdev_open_error;
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if (!r8712_initmac) {
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/* Use the mac address stored in the Efuse */
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memcpy(pnetdev->dev_addr,
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padapter->eeprompriv.mac_addr, ETH_ALEN);
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} else {
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/* We have to inform f/w to use user-supplied MAC
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* address.
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*/
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msleep(200);
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r8712_setMacAddr_cmd(padapter, (u8 *)pnetdev->dev_addr);
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/*
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* The "myid" function will get the wifi mac address
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* from eeprompriv structure instead of netdev
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* structure. So, we have to overwrite the mac_addr
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* stored in the eeprompriv structure. In this case,
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* the real mac address won't be used anymore. So that,
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* the eeprompriv.mac_addr should store the mac which
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* users specify.
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*/
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memcpy(padapter->eeprompriv.mac_addr,
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pnetdev->dev_addr, ETH_ALEN);
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}
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if (start_drv_threads(padapter) != _SUCCESS)
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goto netdev_open_error;
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if (!padapter->dvobjpriv.inirp_init)
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goto netdev_open_error;
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else
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padapter->dvobjpriv.inirp_init(padapter);
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r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
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padapter->registrypriv.smart_ps);
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}
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if (!netif_queue_stopped(pnetdev))
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netif_start_queue(pnetdev);
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else
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netif_wake_queue(pnetdev);
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if (video_mode)
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enable_video_mode(padapter, cbw40_enable);
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/* start driver mlme relation timer */
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start_drv_timers(padapter);
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padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
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mutex_unlock(&padapter->mutex_start);
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return 0;
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netdev_open_error:
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padapter->bup = false;
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netif_carrier_off(pnetdev);
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netif_stop_queue(pnetdev);
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mutex_unlock(&padapter->mutex_start);
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return -1;
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}
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/*
|
*
|
* This function intends to handle the shutdown of an interface
|
* i.e. when it is brought Down from an Up/Active state.
|
*
|
*/
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static int netdev_close(struct net_device *pnetdev)
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{
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struct _adapter *padapter = netdev_priv(pnetdev);
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/* Close LED*/
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padapter->ledpriv.LedControlHandler(padapter, LED_CTL_POWER_OFF);
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msleep(200);
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/*s1.*/
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if (pnetdev) {
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if (!netif_queue_stopped(pnetdev))
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netif_stop_queue(pnetdev);
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}
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/*s2.*/
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/*s2-1. issue disassoc_cmd to fw*/
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r8712_disassoc_cmd(padapter);
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/*s2-2. indicate disconnect to os*/
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r8712_ind_disconnect(padapter);
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/*s2-3.*/
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r8712_free_assoc_resources(padapter);
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/*s2-4.*/
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r8712_free_network_queue(padapter);
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return 0;
|
}
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#include "mlme_osdep.h"
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