int proc_get_rf_info(struct seq_file *m, void *v) { struct net_device *dev = m->private; _adapter *padapter = (_adapter *)rtw_netdev_priv(dev); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; DBG_871X_SEL_NL(m, "cur_ch=%d, cur_bw=%d, cur_ch_offet=%d\n", pmlmeext->cur_channel, pmlmeext->cur_bwmode, pmlmeext->cur_ch_offset); DBG_871X_SEL_NL(m, "oper_ch=%d, oper_bw=%d, oper_ch_offet=%d\n", rtw_get_oper_ch(padapter), rtw_get_oper_bw(padapter), rtw_get_oper_choffset(padapter)); return 0; }
int proc_get_rf_info(char *page, char **start, off_t offset, int count, int *eof, void *data) { struct net_device *dev = data; _adapter *padapter = (_adapter *)rtw_netdev_priv(dev); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; int len = 0; len += snprintf(page + len, count - len, "cur_ch=%d, cur_bw=%d, cur_ch_offet=%d\n" "oper_ch=%d, oper_bw=%d, oper_ch_offet=%d\n", pmlmeext->cur_channel, pmlmeext->cur_bwmode, pmlmeext->cur_ch_offset, rtw_get_oper_ch(padapter), rtw_get_oper_bw(padapter), rtw_get_oper_choffset(padapter)); *eof = 1; return len; }
void expire_timeout_chk(struct adapter *padapter) { struct list_head *phead, *plist; u8 updated = 0; struct sta_info *psta = NULL; struct sta_priv *pstapriv = &padapter->stapriv; u8 chk_alive_num = 0; char chk_alive_list[NUM_STA]; int i; spin_lock_bh(&pstapriv->auth_list_lock); phead = &pstapriv->auth_list; plist = phead->next; /* check auth_queue */ while (phead != plist) { psta = container_of(plist, struct sta_info, auth_list); plist = plist->next; if (psta->expire_to > 0) { psta->expire_to--; if (psta->expire_to == 0) { list_del_init(&psta->auth_list); pstapriv->auth_list_cnt--; DBG_88E("auth expire %6ph\n", psta->hwaddr); spin_unlock_bh(&pstapriv->auth_list_lock); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); spin_lock_bh(&pstapriv->auth_list_lock); } } } spin_unlock_bh(&pstapriv->auth_list_lock); psta = NULL; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; plist = phead->next; /* check asoc_queue */ while (phead != plist) { psta = container_of(plist, struct sta_info, asoc_list); plist = plist->next; if (chk_sta_is_alive(psta) || !psta->expire_to) { psta->expire_to = pstapriv->expire_to; psta->keep_alive_trycnt = 0; psta->under_exist_checking = 0; } else { psta->expire_to--; } if (psta->expire_to <= 0) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; if (padapter->registrypriv.wifi_spec == 1) { psta->expire_to = pstapriv->expire_to; continue; } if (psta->state & WIFI_SLEEP_STATE) { if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) { /* to check if alive by another methods * if station is at ps mode. */ psta->expire_to = pstapriv->expire_to; psta->state |= WIFI_STA_ALIVE_CHK_STATE; /* to update bcn with tim_bitmap * for this station */ pstapriv->tim_bitmap |= BIT(psta->aid); update_beacon(padapter, _TIM_IE_, NULL, false); if (!pmlmeext->active_keep_alive_check) continue; } } if (pmlmeext->active_keep_alive_check) { int stainfo_offset; stainfo_offset = rtw_stainfo_offset(pstapriv, psta); if (stainfo_offset_valid(stainfo_offset)) chk_alive_list[chk_alive_num++] = stainfo_offset; continue; } list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state); updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); } else { /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */ if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) && padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) { DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__, (psta->hwaddr), psta->sleepq_len, padapter->xmitpriv.free_xmitframe_cnt, pstapriv->asoc_list_cnt); wakeup_sta_to_xmit(padapter, psta); } } } spin_unlock_bh(&pstapriv->asoc_list_lock); if (chk_alive_num) { u8 backup_oper_channel = 0; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; /* switch to correct channel of current network before issue keep-alive frames */ if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) { backup_oper_channel = rtw_get_oper_ch(padapter); SelectChannel(padapter, pmlmeext->cur_channel); } /* issue null data to check sta alive*/ for (i = 0; i < chk_alive_num; i++) { int ret = _FAIL; psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]); if (psta->state & WIFI_SLEEP_STATE) ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50); else ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50); psta->keep_alive_trycnt++; if (ret == _SUCCESS) { DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr)); psta->expire_to = pstapriv->expire_to; psta->keep_alive_trycnt = 0; continue; } else if (psta->keep_alive_trycnt <= 3) { DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt); psta->expire_to = 1; continue; } psta->keep_alive_trycnt = 0; DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state); spin_lock_bh(&pstapriv->asoc_list_lock); list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); spin_unlock_bh(&pstapriv->asoc_list_lock); } if (backup_oper_channel > 0) /* back to the original operation channel */ SelectChannel(padapter, backup_oper_channel); } associated_clients_update(padapter, updated); }