diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_xmit.c')
| -rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_xmit.c | 3100 |
1 files changed, 3100 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c new file mode 100644 index 0000000..8f2c9a6 --- /dev/null +++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c @@ -0,0 +1,3100 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + ******************************************************************************/ +#define _RTW_XMIT_C_ + +#include <drv_types.h> +#include <rtw_debug.h> + +static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; +static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; + +static void _init_txservq(struct tx_servq *ptxservq) +{ + INIT_LIST_HEAD(&ptxservq->tx_pending); + _rtw_init_queue(&ptxservq->sta_pending); + ptxservq->qcnt = 0; +} + +void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv) +{ + memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv)); + + spin_lock_init(&psta_xmitpriv->lock); + + /* for (i = 0 ; i < MAX_NUMBLKS; i++) */ + /* _init_txservq(&(psta_xmitpriv->blk_q[i])); */ + + _init_txservq(&psta_xmitpriv->be_q); + _init_txservq(&psta_xmitpriv->bk_q); + _init_txservq(&psta_xmitpriv->vi_q); + _init_txservq(&psta_xmitpriv->vo_q); + INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz); + INIT_LIST_HEAD(&psta_xmitpriv->apsd); +} + +s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) +{ + int i; + struct xmit_buf *pxmitbuf; + struct xmit_frame *pxframe; + sint res = _SUCCESS; + + /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ + /* memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv)); */ + + spin_lock_init(&pxmitpriv->lock); + spin_lock_init(&pxmitpriv->lock_sctx); + sema_init(&pxmitpriv->xmit_sema, 0); + sema_init(&pxmitpriv->terminate_xmitthread_sema, 0); + + /* + Please insert all the queue initializaiton using _rtw_init_queue below + */ + + pxmitpriv->adapter = padapter; + + /* for (i = 0 ; i < MAX_NUMBLKS; i++) */ + /* _rtw_init_queue(&pxmitpriv->blk_strms[i]); */ + + _rtw_init_queue(&pxmitpriv->be_pending); + _rtw_init_queue(&pxmitpriv->bk_pending); + _rtw_init_queue(&pxmitpriv->vi_pending); + _rtw_init_queue(&pxmitpriv->vo_pending); + _rtw_init_queue(&pxmitpriv->bm_pending); + + /* _rtw_init_queue(&pxmitpriv->legacy_dz_queue); */ + /* _rtw_init_queue(&pxmitpriv->apsd_queue); */ + + _rtw_init_queue(&pxmitpriv->free_xmit_queue); + + /* + Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME, + and initialize free_xmit_frame below. + Please also apply free_txobj to link_up all the xmit_frames... + */ + + pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); + + if (pxmitpriv->pallocated_frame_buf == NULL) { + pxmitpriv->pxmit_frame_buf = NULL; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n")); + res = _FAIL; + goto exit; + } + pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4); + /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */ + /* ((SIZE_PTR) (pxmitpriv->pallocated_frame_buf) &3); */ + + pxframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf; + + for (i = 0; i < NR_XMITFRAME; i++) { + INIT_LIST_HEAD(&(pxframe->list)); + + pxframe->padapter = padapter; + pxframe->frame_tag = NULL_FRAMETAG; + + pxframe->pkt = NULL; + + pxframe->buf_addr = NULL; + pxframe->pxmitbuf = NULL; + + list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue)); + + pxframe++; + } + + pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME; + + pxmitpriv->frag_len = MAX_FRAG_THRESHOLD; + + + /* init xmit_buf */ + _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue); + _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue); + + pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); + + if (pxmitpriv->pallocated_xmitbuf == NULL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n")); + res = _FAIL; + goto exit; + } + + pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4); + /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */ + /* ((SIZE_PTR) (pxmitpriv->pallocated_xmitbuf) &3); */ + + pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; + + for (i = 0; i < NR_XMITBUFF; i++) { + INIT_LIST_HEAD(&pxmitbuf->list); + + pxmitbuf->priv_data = NULL; + pxmitbuf->padapter = padapter; + pxmitbuf->buf_tag = XMITBUF_DATA; + + /* Tx buf allocation may fail sometimes, so sleep and retry. */ + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true); + if (res == _FAIL) { + msleep(10); + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true); + if (res == _FAIL) + goto exit; + } + + pxmitbuf->phead = pxmitbuf->pbuf; + pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ; + pxmitbuf->len = 0; + pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; + + pxmitbuf->flags = XMIT_VO_QUEUE; + + list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); + #ifdef DBG_XMIT_BUF + pxmitbuf->no = i; + #endif + + pxmitbuf++; + + } + + pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF; + + /* init xframe_ext queue, the same count as extbuf */ + _rtw_init_queue(&pxmitpriv->free_xframe_ext_queue); + + pxmitpriv->xframe_ext_alloc_addr = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4); + + if (pxmitpriv->xframe_ext_alloc_addr == NULL) { + pxmitpriv->xframe_ext = NULL; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xframe_ext fail!\n")); + res = _FAIL; + goto exit; + } + pxmitpriv->xframe_ext = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->xframe_ext_alloc_addr), 4); + pxframe = (struct xmit_frame *)pxmitpriv->xframe_ext; + + for (i = 0; i < NR_XMIT_EXTBUFF; i++) { + INIT_LIST_HEAD(&(pxframe->list)); + + pxframe->padapter = padapter; + pxframe->frame_tag = NULL_FRAMETAG; + + pxframe->pkt = NULL; + + pxframe->buf_addr = NULL; + pxframe->pxmitbuf = NULL; + + pxframe->ext_tag = 1; + + list_add_tail(&(pxframe->list), &(pxmitpriv->free_xframe_ext_queue.queue)); + + pxframe++; + } + pxmitpriv->free_xframe_ext_cnt = NR_XMIT_EXTBUFF; + + /* Init xmit extension buff */ + _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue); + + pxmitpriv->pallocated_xmit_extbuf = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4); + + if (pxmitpriv->pallocated_xmit_extbuf == NULL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n")); + res = _FAIL; + goto exit; + } + + pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4); + + pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; + + for (i = 0; i < NR_XMIT_EXTBUFF; i++) { + INIT_LIST_HEAD(&pxmitbuf->list); + + pxmitbuf->priv_data = NULL; + pxmitbuf->padapter = padapter; + pxmitbuf->buf_tag = XMITBUF_MGNT; + + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ, true); + if (res == _FAIL) { + res = _FAIL; + goto exit; + } + + pxmitbuf->phead = pxmitbuf->pbuf; + pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ; + pxmitbuf->len = 0; + pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; + + list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue)); + #ifdef DBG_XMIT_BUF_EXT + pxmitbuf->no = i; + #endif + pxmitbuf++; + + } + + pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF; + + for (i = 0; i < CMDBUF_MAX; i++) { + pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i]; + if (pxmitbuf) { + INIT_LIST_HEAD(&pxmitbuf->list); + + pxmitbuf->priv_data = NULL; + pxmitbuf->padapter = padapter; + pxmitbuf->buf_tag = XMITBUF_CMD; + + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true); + if (res == _FAIL) { + res = _FAIL; + goto exit; + } + + pxmitbuf->phead = pxmitbuf->pbuf; + pxmitbuf->pend = pxmitbuf->pbuf + MAX_CMDBUF_SZ; + pxmitbuf->len = 0; + pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; + pxmitbuf->alloc_sz = MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ; + } + } + + rtw_alloc_hwxmits(padapter); + rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); + + for (i = 0; i < 4; i++) { + pxmitpriv->wmm_para_seq[i] = i; + } + + pxmitpriv->ack_tx = false; + mutex_init(&pxmitpriv->ack_tx_mutex); + rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0); + + rtw_hal_init_xmit_priv(padapter); + +exit: + return res; +} + +void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv) +{ + int i; + struct adapter *padapter = pxmitpriv->adapter; + struct xmit_frame *pxmitframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf; + struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; + + rtw_hal_free_xmit_priv(padapter); + + if (pxmitpriv->pxmit_frame_buf == NULL) + return; + + for (i = 0; i < NR_XMITFRAME; i++) { + rtw_os_xmit_complete(padapter, pxmitframe); + + pxmitframe++; + } + + for (i = 0; i < NR_XMITBUFF; i++) { + rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true); + + pxmitbuf++; + } + + if (pxmitpriv->pallocated_frame_buf) + vfree(pxmitpriv->pallocated_frame_buf); + + + if (pxmitpriv->pallocated_xmitbuf) + vfree(pxmitpriv->pallocated_xmitbuf); + + /* free xframe_ext queue, the same count as extbuf */ + pxmitframe = (struct xmit_frame *)pxmitpriv->xframe_ext; + if (pxmitframe) { + for (i = 0; i < NR_XMIT_EXTBUFF; i++) { + rtw_os_xmit_complete(padapter, pxmitframe); + pxmitframe++; + } + } + if (pxmitpriv->xframe_ext_alloc_addr) + vfree(pxmitpriv->xframe_ext_alloc_addr); + + /* free xmit extension buff */ + pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; + for (i = 0; i < NR_XMIT_EXTBUFF; i++) { + rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ), true); + + pxmitbuf++; + } + + if (pxmitpriv->pallocated_xmit_extbuf) { + vfree(pxmitpriv->pallocated_xmit_extbuf); + } + + for (i = 0; i < CMDBUF_MAX; i++) { + pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i]; + if (pxmitbuf != NULL) + rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true); + } + + rtw_free_hwxmits(padapter); + + mutex_destroy(&pxmitpriv->ack_tx_mutex); +} + +u8 query_ra_short_GI(struct sta_info *psta) +{ + u8 sgi = false, sgi_20m = false, sgi_40m = false, sgi_80m = false; + + sgi_20m = psta->htpriv.sgi_20m; + sgi_40m = psta->htpriv.sgi_40m; + + switch (psta->bw_mode) { + case CHANNEL_WIDTH_80: + sgi = sgi_80m; + break; + case CHANNEL_WIDTH_40: + sgi = sgi_40m; + break; + case CHANNEL_WIDTH_20: + default: + sgi = sgi_20m; + break; + } + + return sgi; +} + +static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + u32 sz; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + /* struct sta_info *psta = pattrib->psta; */ + struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + + if (pattrib->nr_frags != 1) + sz = padapter->xmitpriv.frag_len; + else /* no frag */ + sz = pattrib->last_txcmdsz; + + /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */ + /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */ + /* Other fragments are protected by previous fragment. */ + /* So we only need to check the length of first fragment. */ + if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) { + if (sz > padapter->registrypriv.rts_thresh) + pattrib->vcs_mode = RTS_CTS; + else{ + if (pattrib->rtsen) + pattrib->vcs_mode = RTS_CTS; + else if (pattrib->cts2self) + pattrib->vcs_mode = CTS_TO_SELF; + else + pattrib->vcs_mode = NONE_VCS; + } + } else{ + while (true) { + /* IOT action */ + if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && (pattrib->ampdu_en == true) && + (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { + pattrib->vcs_mode = CTS_TO_SELF; + break; + } + + + /* check ERP protection */ + if (pattrib->rtsen || pattrib->cts2self) { + if (pattrib->rtsen) + pattrib->vcs_mode = RTS_CTS; + else if (pattrib->cts2self) + pattrib->vcs_mode = CTS_TO_SELF; + + break; + } + + /* check HT op mode */ + if (pattrib->ht_en) { + u8 HTOpMode = pmlmeinfo->HT_protection; + if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) || + (!pmlmeext->cur_bwmode && HTOpMode == 3)) { + pattrib->vcs_mode = RTS_CTS; + break; + } + } + + /* check rts */ + if (sz > padapter->registrypriv.rts_thresh) { + pattrib->vcs_mode = RTS_CTS; + break; + } + + /* to do list: check MIMO power save condition. */ + + /* check AMPDU aggregation for TXOP */ + if (pattrib->ampdu_en == true) { + pattrib->vcs_mode = RTS_CTS; + break; + } + + pattrib->vcs_mode = NONE_VCS; + break; + } + } + + /* for debug : force driver control vrtl_carrier_sense. */ + if (padapter->driver_vcs_en == 1) + pattrib->vcs_mode = padapter->driver_vcs_type; +} + +static void update_attrib_phy_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) +{ + struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv; + + pattrib->rtsen = psta->rtsen; + pattrib->cts2self = psta->cts2self; + + pattrib->mdata = 0; + pattrib->eosp = 0; + pattrib->triggered = 0; + pattrib->ampdu_spacing = 0; + + /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */ + pattrib->qos_en = psta->qos_option; + + pattrib->raid = psta->raid; + + if (mlmeext->cur_bwmode < psta->bw_mode) + pattrib->bwmode = mlmeext->cur_bwmode; + else + pattrib->bwmode = psta->bw_mode; + + pattrib->sgi = query_ra_short_GI(psta); + + pattrib->ldpc = psta->ldpc; + pattrib->stbc = psta->stbc; + + pattrib->ht_en = psta->htpriv.ht_option; + pattrib->ch_offset = psta->htpriv.ch_offset; + pattrib->ampdu_en = false; + + if (padapter->driver_ampdu_spacing != 0xFF) /* driver control AMPDU Density for peer sta's rx */ + pattrib->ampdu_spacing = padapter->driver_ampdu_spacing; + else + pattrib->ampdu_spacing = psta->htpriv.rx_ampdu_min_spacing; + + /* if (pattrib->ht_en && psta->htpriv.ampdu_enable) */ + /* */ + /* if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) */ + /* pattrib->ampdu_en = true; */ + /* */ + + + pattrib->retry_ctrl = false; + +#ifdef CONFIG_AUTO_AP_MODE + if (psta->isrc && psta->pid > 0) + pattrib->pctrl = true; +#endif + +} + +static s32 update_attrib_sec_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) +{ + sint res = _SUCCESS; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + sint bmcast = IS_MCAST(pattrib->ra); + + memset(pattrib->dot118021x_UncstKey.skey, 0, 16); + memset(pattrib->dot11tkiptxmickey.skey, 0, 16); + pattrib->mac_id = psta->mac_id; + + if (psta->ieee8021x_blocked == true) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n")); + + pattrib->encrypt = 0; + + if ((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type)); + #ifdef DBG_TX_DROP_FRAME + DBG_871X("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == true, pattrib->ether_type(%04x) != 0x888e\n", __func__, pattrib->ether_type); + #endif + res = _FAIL; + goto exit; + } + } else{ + GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); + + switch (psecuritypriv->dot11AuthAlgrthm) { + case dot11AuthAlgrthm_Open: + case dot11AuthAlgrthm_Shared: + case dot11AuthAlgrthm_Auto: + pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex; + break; + case dot11AuthAlgrthm_8021X: + if (bmcast) + pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid; + else + pattrib->key_idx = 0; + break; + default: + pattrib->key_idx = 0; + break; + } + + /* For WPS 1.0 WEP, driver should not encrypt EAPOL Packet for WPS handshake. */ + if (((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) && (pattrib->ether_type == 0x888e)) + pattrib->encrypt = _NO_PRIVACY_; + + } + + switch (pattrib->encrypt) { + case _WEP40_: + case _WEP104_: + pattrib->iv_len = 4; + pattrib->icv_len = 4; + WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); + break; + + case _TKIP_: + pattrib->iv_len = 8; + pattrib->icv_len = 4; + + if (psecuritypriv->busetkipkey == _FAIL) { + #ifdef DBG_TX_DROP_FRAME + DBG_871X("DBG_TX_DROP_FRAME %s psecuritypriv->busetkipkey(%d) == _FAIL drop packet\n", __func__, psecuritypriv->busetkipkey); + #endif + res = _FAIL; + goto exit; + } + + if (bmcast) + TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); + else + TKIP_IV(pattrib->iv, psta->dot11txpn, 0); + + + memcpy(pattrib->dot11tkiptxmickey.skey, psta->dot11tkiptxmickey.skey, 16); + + break; + + case _AES_: + + pattrib->iv_len = 8; + pattrib->icv_len = 8; + + if (bmcast) + AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); + else + AES_IV(pattrib->iv, psta->dot11txpn, 0); + + break; + + default: + pattrib->iv_len = 0; + pattrib->icv_len = 0; + break; + } + + if (pattrib->encrypt > 0) + memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16); + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, + ("update_attrib: encrypt =%d securitypriv.sw_encrypt =%d\n", + pattrib->encrypt, padapter->securitypriv.sw_encrypt)); + + if (pattrib->encrypt && + ((padapter->securitypriv.sw_encrypt == true) || (psecuritypriv->hw_decrypted == false))) { + pattrib->bswenc = true; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("update_attrib: encrypt =%d securitypriv.hw_decrypted =%d bswenc =true\n", + pattrib->encrypt, padapter->securitypriv.sw_encrypt)); + } else { + pattrib->bswenc = false; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc =false\n")); + } + +exit: + + return res; + +} + +u8 qos_acm(u8 acm_mask, u8 priority) +{ + u8 change_priority = priority; + + switch (priority) { + case 0: + case 3: + if (acm_mask & BIT(1)) + change_priority = 1; + break; + case 1: + case 2: + break; + case 4: + case 5: + if (acm_mask & BIT(2)) + change_priority = 0; + break; + case 6: + case 7: + if (acm_mask & BIT(3)) + change_priority = 5; + break; + default: + DBG_871X("qos_acm(): invalid pattrib->priority: %d!!!\n", priority); + break; + } + + return change_priority; +} + +static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) +{ + struct ethhdr etherhdr; + struct iphdr ip_hdr; + s32 UserPriority = 0; + + + _rtw_open_pktfile(ppktfile->pkt, ppktfile); + _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN); + + /* get UserPriority from IP hdr */ + if (pattrib->ether_type == 0x0800) { + _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr)); +/* UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3; */ + UserPriority = ip_hdr.tos >> 5; + } + pattrib->priority = UserPriority; + pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; + pattrib->subtype = WIFI_QOS_DATA_TYPE; +} + +static s32 update_attrib(struct adapter *padapter, _pkt *pkt, struct pkt_attrib *pattrib) +{ + uint i; + struct pkt_file pktfile; + struct sta_info *psta = NULL; + struct ethhdr etherhdr; + + sint bmcast; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct qos_priv *pqospriv = &pmlmepriv->qospriv; + sint res = _SUCCESS; + + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib); + + _rtw_open_pktfile(pkt, &pktfile); + i = _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN); + + pattrib->ether_type = ntohs(etherhdr.h_proto); + + + memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN); + memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN); + + + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) { + memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); + memcpy(pattrib->ta, pattrib->src, ETH_ALEN); + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_adhoc); + } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { + memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN); + memcpy(pattrib->ta, pattrib->src, ETH_ALEN); + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_sta); + } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { + memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); + memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN); + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap); + } else + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown); + + pattrib->pktlen = pktfile.pkt_len; + + if (ETH_P_IP == pattrib->ether_type) { + /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */ + /* to prevent DHCP protocol fail */ + + u8 tmp[24]; + + _rtw_pktfile_read(&pktfile, &tmp[0], 24); + + pattrib->dhcp_pkt = 0; + if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */ + if (ETH_P_IP == pattrib->ether_type) {/* IP header */ + if (((tmp[21] == 68) && (tmp[23] == 67)) || + ((tmp[21] == 67) && (tmp[23] == 68))) { + /* 68 : UDP BOOTP client */ + /* 67 : UDP BOOTP server */ + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======================update_attrib: get DHCP Packet\n")); + pattrib->dhcp_pkt = 1; + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_dhcp); + } + } + } + + /* for parsing ICMP pakcets */ + { + struct iphdr *piphdr = (struct iphdr *)tmp; + + pattrib->icmp_pkt = 0; + if (piphdr->protocol == 0x1) { /* protocol type in ip header 0x1 is ICMP */ + pattrib->icmp_pkt = 1; + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_icmp); + } + } + + + } else if (0x888e == pattrib->ether_type) { + DBG_871X_LEVEL(_drv_always_, "send eapol packet\n"); + } + + if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) + rtw_set_scan_deny(padapter, 3000); + + /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */ + if (pattrib->icmp_pkt == 1) + rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); + else if (pattrib->dhcp_pkt == 1) { + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_active); + rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1); + } + + bmcast = IS_MCAST(pattrib->ra); + + /* get sta_info */ + if (bmcast) { + psta = rtw_get_bcmc_stainfo(padapter); + } else { + psta = rtw_get_stainfo(pstapriv, pattrib->ra); + if (psta == NULL) { /* if we cannot get psta => drop the pkt */ + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_sta); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT"\n", MAC_ARG(pattrib->ra))); + #ifdef DBG_TX_DROP_FRAME + DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra)); + #endif + res = _FAIL; + goto exit; + } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) { + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_ap_link); + res = _FAIL; + goto exit; + } + } + + if (psta == NULL) { + /* if we cannot get psta => drop the pkt */ + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sta); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT "\n", MAC_ARG(pattrib->ra))); + #ifdef DBG_TX_DROP_FRAME + DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra)); + #endif + res = _FAIL; + goto exit; + } + + if (!(psta->state & _FW_LINKED)) { + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_link); + DBG_871X("%s, psta("MAC_FMT")->state(0x%x) != _FW_LINKED\n", __func__, MAC_ARG(psta->hwaddr), psta->state); + return _FAIL; + } + + + + /* TODO:_lock */ + if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) { + DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sec); + res = _FAIL; + goto exit; + } + + update_attrib_phy_info(padapter, pattrib, psta); + + /* DBG_8192C("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */ + + pattrib->psta = psta; + /* TODO:_unlock */ + + pattrib->pctrl = 0; + + pattrib->ack_policy = 0; + /* get ether_hdr_len */ + pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */ + + pattrib->hdrlen = WLAN_HDR_A3_LEN; + pattrib->subtype = WIFI_DATA_TYPE; + pattrib->priority = 0; + + if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { + if (pattrib->qos_en) + set_qos(&pktfile, pattrib); + } else{ + if (pqospriv->qos_option) { + set_qos(&pktfile, pattrib); + + if (pmlmepriv->acm_mask != 0) + pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority); + + } + } + + /* pattrib->priority = 5; force to used VI queue, for testing */ + + rtw_set_tx_chksum_offload(pkt, pattrib); + +exit: + return res; +} + +static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + sint curfragnum, length; + u8 *pframe, *payload, mic[8]; + struct mic_data micdata; + /* struct sta_info *stainfo; */ + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + u8 priority[4] = {0x0, 0x0, 0x0, 0x0}; + u8 hw_hdr_offset = 0; + sint bmcst = IS_MCAST(pattrib->ra); + +/* + if (pattrib->psta) + { + stainfo = pattrib->psta; + } + else + { + DBG_871X("%s, call rtw_get_stainfo()\n", __func__); + stainfo =rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]); + } + + if (stainfo == NULL) + { + DBG_871X("%s, psta ==NUL\n", __func__); + return _FAIL; + } + + if (!(stainfo->state &_FW_LINKED)) + { + DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state); + return _FAIL; + } +*/ + + hw_hdr_offset = TXDESC_OFFSET; + + if (pattrib->encrypt == _TKIP_) { /* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */ + /* encode mic code */ + /* if (stainfo!= NULL) */ + { + u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; + + pframe = pxmitframe->buf_addr + hw_hdr_offset; + + if (bmcst) { + if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) { + /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ + /* msleep(10); */ + return _FAIL; + } + /* start to calculate the mic code */ + rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey); + } else { + if (!memcmp(&pattrib->dot11tkiptxmickey.skey[0], null_key, 16)) { + /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ + /* msleep(10); */ + return _FAIL; + } + /* start to calculate the mic code */ + rtw_secmicsetkey(&micdata, &pattrib->dot11tkiptxmickey.skey[0]); + } + + if (pframe[1]&1) { /* ToDS == 1 */ + rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */ + if (pframe[1]&2) /* From Ds == 1 */ + rtw_secmicappend(&micdata, &pframe[24], 6); + else + rtw_secmicappend(&micdata, &pframe[10], 6); + } else { /* ToDS == 0 */ + rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */ + if (pframe[1]&2) /* From Ds == 1 */ + rtw_secmicappend(&micdata, &pframe[16], 6); + else + rtw_secmicappend(&micdata, &pframe[10], 6); + + } + + /* if (pqospriv->qos_option == 1) */ + if (pattrib->qos_en) + priority[0] = (u8)pxmitframe->attrib.priority; + + + rtw_secmicappend(&micdata, &priority[0], 4); + + payload = pframe; + + for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { + payload = (u8 *)RND4((SIZE_PTR)(payload)); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("===curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n", + curfragnum, *payload, *(payload+1), *(payload+2), *(payload+3), *(payload+4), *(payload+5), *(payload+6), *(payload+7))); + + payload = payload+pattrib->hdrlen+pattrib->iv_len; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d pattrib->hdrlen =%d pattrib->iv_len =%d", curfragnum, pattrib->hdrlen, pattrib->iv_len)); + if ((curfragnum+1) == pattrib->nr_frags) { + length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); + rtw_secmicappend(&micdata, payload, length); + payload = payload+length; + } else{ + length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); + rtw_secmicappend(&micdata, payload, length); + payload = payload+length+pattrib->icv_len; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d length =%d pattrib->icv_len =%d", curfragnum, length, pattrib->icv_len)); + } + } + rtw_secgetmic(&micdata, &(mic[0])); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n")); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz =%d!!!\n", pattrib->last_txcmdsz)); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]= 0x%.2x , mic[1]= 0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\n\ + mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n", + mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7])); + /* add mic code and add the mic code length in last_txcmdsz */ + + memcpy(payload, &(mic[0]), 8); + pattrib->last_txcmdsz += 8; + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ========last pkt ========\n")); + payload = payload-pattrib->last_txcmdsz+8; + for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8) + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", + *(payload+curfragnum), *(payload+curfragnum+1), *(payload+curfragnum+2), *(payload+curfragnum+3), + *(payload+curfragnum+4), *(payload+curfragnum+5), *(payload+curfragnum+6), *(payload+curfragnum+7))); + } +/* + else { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo == NULL!!!\n")); + } +*/ + } + return _SUCCESS; +} + +static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + + struct pkt_attrib *pattrib = &pxmitframe->attrib; + /* struct security_priv *psecuritypriv =&padapter->securitypriv; */ + + /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */ + if (pattrib->bswenc) { + /* DBG_871X("start xmitframe_swencrypt\n"); */ + RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n")); + switch (pattrib->encrypt) { + case _WEP40_: + case _WEP104_: + rtw_wep_encrypt(padapter, (u8 *)pxmitframe); + break; + case _TKIP_: + rtw_tkip_encrypt(padapter, (u8 *)pxmitframe); + break; + case _AES_: + rtw_aes_encrypt(padapter, (u8 *)pxmitframe); + break; + default: + break; + } + + } else + RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n")); + + return _SUCCESS; +} + +s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib) +{ + u16 *qc; + + struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct qos_priv *pqospriv = &pmlmepriv->qospriv; + u8 qos_option = false; + sint res = _SUCCESS; + __le16 *fctrl = &pwlanhdr->frame_control; + + memset(hdr, 0, WLANHDR_OFFSET); + + SetFrameSubType(fctrl, pattrib->subtype); + + if (pattrib->subtype & WIFI_DATA_TYPE) { + if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) { + /* to_ds = 1, fr_ds = 0; */ + + { + /* 1.Data transfer to AP */ + /* 2.Arp pkt will relayed by AP */ + SetToDs(fctrl); + memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); + memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); + memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); + } + + if (pqospriv->qos_option) + qos_option = true; + + } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)) { + /* to_ds = 0, fr_ds = 1; */ + SetFrDs(fctrl); + memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); + memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN); + memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN); + + if (pattrib->qos_en) + qos_option = true; + } else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) { + memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); + memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); + memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); + + if (pattrib->qos_en) + qos_option = true; + } else { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv))); + res = _FAIL; + goto exit; + } + + if (pattrib->mdata) + SetMData(fctrl); + + if (pattrib->encrypt) + SetPrivacy(fctrl); + + if (qos_option) { + qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); + + if (pattrib->priority) + SetPriority(qc, pattrib->priority); + + SetEOSP(qc, pattrib->eosp); + + SetAckpolicy(qc, pattrib->ack_policy); + } + + /* TODO: fill HT Control Field */ + + /* Update Seq Num will be handled by f/w */ + { + struct sta_info *psta; + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + if (pattrib->psta != psta) { + DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); + return _FAIL; + } + + if (psta == NULL) { + DBG_871X("%s, psta ==NUL\n", __func__); + return _FAIL; + } + + if (!(psta->state & _FW_LINKED)) { + DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); + return _FAIL; + } + + + if (psta) { + psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; + psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; + pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; + + SetSeqNum(hdr, pattrib->seqnum); + + /* check if enable ampdu */ + if (pattrib->ht_en && psta->htpriv.ampdu_enable) + if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) + pattrib->ampdu_en = true; + + + /* re-check if enable ampdu by BA_starting_seqctrl */ + if (pattrib->ampdu_en == true) { + u16 tx_seq; + + tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f]; + + /* check BA_starting_seqctrl */ + if (SN_LESS(pattrib->seqnum, tx_seq)) { + /* DBG_871X("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */ + pattrib->ampdu_en = false;/* AGG BK */ + } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) { + psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff; + + pattrib->ampdu_en = true;/* AGG EN */ + } else{ + /* DBG_871X("tx ampdu over run\n"); */ + psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff; + pattrib->ampdu_en = true;/* AGG EN */ + } + + } + } + } + + } else{ + + } + +exit: + return res; +} + +s32 rtw_txframes_pending(struct adapter *padapter) +{ + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + return ((!list_empty(&pxmitpriv->be_pending.queue)) || + (!list_empty(&pxmitpriv->bk_pending.queue)) || + (!list_empty(&pxmitpriv->vi_pending.queue)) || + (!list_empty(&pxmitpriv->vo_pending.queue))); +} + +/* + * Calculate wlan 802.11 packet MAX size from pkt_attrib + * This function doesn't consider fragment case + */ +u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib) +{ + u32 len = 0; + + len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */ + len += SNAP_SIZE + sizeof(u16); /* LLC */ + len += pattrib->pktlen; + if (pattrib->encrypt == _TKIP_) + len += 8; /* MIC */ + len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */ + + return len; +} + +/* + +This sub-routine will perform all the following: + +1. remove 802.3 header. +2. create wlan_header, based on the info in pxmitframe +3. append sta's iv/ext-iv +4. append LLC +5. move frag chunk from pframe to pxmitframe->mem +6. apply sw-encrypt, if necessary. + +*/ +s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe) +{ + struct pkt_file pktfile; + + s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; + + SIZE_PTR addr; + + u8 *pframe, *mem_start; + u8 hw_hdr_offset; + + /* struct sta_info *psta; */ + /* struct sta_priv *pstapriv = &padapter->stapriv; */ + /* struct mlme_priv *pmlmepriv = &padapter->mlmepriv; */ + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + struct pkt_attrib *pattrib = &pxmitframe->attrib; + + u8 *pbuf_start; + + s32 bmcst = IS_MCAST(pattrib->ra); + s32 res = _SUCCESS; + +/* + if (pattrib->psta) + { + psta = pattrib->psta; + } else + { + DBG_871X("%s, call rtw_get_stainfo()\n", __func__); + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + } + + if (psta == NULL) + { + + DBG_871X("%s, psta ==NUL\n", __func__); + return _FAIL; + } + + + if (!(psta->state &_FW_LINKED)) + { + DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); + return _FAIL; + } +*/ + if (pxmitframe->buf_addr == NULL) { + DBG_8192C("==> %s buf_addr == NULL\n", __func__); + return _FAIL; + } + + pbuf_start = pxmitframe->buf_addr; + + hw_hdr_offset = TXDESC_OFFSET; + mem_start = pbuf_start + hw_hdr_offset; + + if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n")); + DBG_8192C("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"); + res = _FAIL; + goto exit; + } + + _rtw_open_pktfile(pkt, &pktfile); + _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen); + + frg_inx = 0; + frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */ + + while (1) { + llc_sz = 0; + + mpdu_len = frg_len; + + pframe = mem_start; + + SetMFrag(mem_start); + + pframe += pattrib->hdrlen; + mpdu_len -= pattrib->hdrlen; + + /* adding icv, if necessary... */ + if (pattrib->iv_len) { + memcpy(pframe, pattrib->iv, pattrib->iv_len); + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, + ("rtw_xmitframe_coalesce: keyid =%d pattrib->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n", + padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3))); + + pframe += pattrib->iv_len; + + mpdu_len -= pattrib->iv_len; + } + + if (frg_inx == 0) { + llc_sz = rtw_put_snap(pframe, pattrib->ether_type); + pframe += llc_sz; + mpdu_len -= llc_sz; + } + + if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { + mpdu_len -= pattrib->icv_len; + } + + + if (bmcst) { + /* don't do fragment to broadcat/multicast packets */ + mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen); + } else { + mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len); + } + + pframe += mem_sz; + + if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { + memcpy(pframe, pattrib->icv, pattrib->icv_len); + pframe += pattrib->icv_len; + } + + frg_inx++; + + if (bmcst || (rtw_endofpktfile(&pktfile) == true)) { + pattrib->nr_frags = frg_inx; + + pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz:0) + + ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz; + + ClearMFrag(mem_start); + + break; + } else + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__)); + + addr = (SIZE_PTR)(pframe); + + mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset; + memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen); + + } + + if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n")); + DBG_8192C("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"); + res = _FAIL; + goto exit; + } + + xmitframe_swencrypt(padapter, pxmitframe); + + if (bmcst == false) + update_attrib_vcs_info(padapter, pxmitframe); + else + pattrib->vcs_mode = NONE_VCS; + +exit: + return res; +} + +/* broadcast or multicast management pkt use BIP, unicast management pkt use CCMP encryption */ +s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe) +{ + u8 *pframe, *mem_start = NULL, *tmp_buf = NULL; + u8 subtype; + struct sta_info *psta = NULL; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + s32 bmcst = IS_MCAST(pattrib->ra); + u8 *BIP_AAD = NULL; + u8 *MGMT_body = NULL; + + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ieee80211_hdr *pwlanhdr; + u8 MME[_MME_IE_LENGTH_]; + u32 ori_len; + mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET; + pwlanhdr = (struct ieee80211_hdr *)pframe; + + ori_len = BIP_AAD_SIZE+pattrib->pktlen; + tmp_buf = BIP_AAD = rtw_zmalloc(ori_len); + subtype = GetFrameSubType(pframe); /* bit(7)~bit(2) */ + + if (BIP_AAD == NULL) + return _FAIL; + + spin_lock_bh(&padapter->security_key_mutex); + + /* only support station mode */ + if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE) || !check_fwstate(pmlmepriv, _FW_LINKED)) + goto xmitframe_coalesce_success; + + /* IGTK key is not install, it may not support 802.11w */ + if (padapter->securitypriv.binstallBIPkey != true) { + DBG_871X("no instll BIP key\n"); + goto xmitframe_coalesce_success; + } + /* station mode doesn't need TX BIP, just ready the code */ + if (bmcst) { + int frame_body_len; + u8 mic[16]; + + memset(MME, 0, 18); + + /* other types doesn't need the BIP */ + if (GetFrameSubType(pframe) != WIFI_DEAUTH && GetFrameSubType(pframe) != WIFI_DISASSOC) + goto xmitframe_coalesce_fail; + + MGMT_body = pframe + sizeof(struct ieee80211_hdr_3addr); + pframe += pattrib->pktlen; + + /* octent 0 and 1 is key index , BIP keyid is 4 or 5, LSB only need octent 0 */ + MME[0] = padapter->securitypriv.dot11wBIPKeyid; + /* copy packet number */ + memcpy(&MME[2], &pmlmeext->mgnt_80211w_IPN, 6); + /* increase the packet number */ + pmlmeext->mgnt_80211w_IPN++; + + /* add MME IE with MIC all zero, MME string doesn't include element id and length */ + pframe = rtw_set_ie(pframe, _MME_IE_, 16, MME, &(pattrib->pktlen)); + pattrib->last_txcmdsz = pattrib->pktlen; + /* total frame length - header length */ + frame_body_len = pattrib->pktlen - sizeof(struct ieee80211_hdr_3addr); + + /* conscruct AAD, copy frame control field */ + memcpy(BIP_AAD, &pwlanhdr->frame_control, 2); + ClearRetry(BIP_AAD); + ClearPwrMgt(BIP_AAD); + ClearMData(BIP_AAD); + /* conscruct AAD, copy address 1 to address 3 */ + memcpy(BIP_AAD+2, pwlanhdr->addr1, 18); + /* copy management fram body */ + memcpy(BIP_AAD+BIP_AAD_SIZE, MGMT_body, frame_body_len); + /* calculate mic */ + if (omac1_aes_128(padapter->securitypriv.dot11wBIPKey[padapter->securitypriv.dot11wBIPKeyid].skey + , BIP_AAD, BIP_AAD_SIZE+frame_body_len, mic)) + goto xmitframe_coalesce_fail; + + /* copy right BIP mic value, total is 128bits, we use the 0~63 bits */ + memcpy(pframe-8, mic, 8); + } else { /* unicast mgmt frame TX */ + /* start to encrypt mgmt frame */ + if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC || + subtype == WIFI_REASSOCREQ || subtype == WIFI_ACTION) { + if (pattrib->psta) + psta = pattrib->psta; + else + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + + if (psta == NULL) { + + DBG_871X("%s, psta ==NUL\n", __func__); + goto xmitframe_coalesce_fail; + } + + if (!(psta->state & _FW_LINKED) || pxmitframe->buf_addr == NULL) { + DBG_871X("%s, not _FW_LINKED or addr null\n", __func__); + goto xmitframe_coalesce_fail; + } + + /* DBG_871X("%s, action frame category =%d\n", __func__, pframe[WLAN_HDR_A3_LEN]); */ + /* according 802.11-2012 standard, these five types are not robust types */ + if (subtype == WIFI_ACTION && + (pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_PUBLIC || + pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_HT || + pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_UNPROTECTED_WNM || + pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_SELF_PROTECTED || + pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_P2P)) + goto xmitframe_coalesce_fail; + /* before encrypt dump the management packet content */ + if (pattrib->encrypt > 0) + memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16); + /* bakeup original management packet */ + memcpy(tmp_buf, pframe, pattrib->pktlen); + /* move to data portion */ + pframe += pattrib->hdrlen; + + /* 802.11w unicast management packet must be _AES_ */ + pattrib->iv_len = 8; + /* it's MIC of AES */ + pattrib->icv_len = 8; + + switch (pattrib->encrypt) { + case _AES_: + /* set AES IV header */ + AES_IV(pattrib->iv, psta->dot11wtxpn, 0); + break; + default: + goto xmitframe_coalesce_fail; + } + /* insert iv header into management frame */ + memcpy(pframe, pattrib->iv, pattrib->iv_len); + pframe += pattrib->iv_len; + /* copy mgmt data portion after CCMP header */ + memcpy(pframe, tmp_buf+pattrib->hdrlen, pattrib->pktlen-pattrib->hdrlen); + /* move pframe to end of mgmt pkt */ + pframe += pattrib->pktlen-pattrib->hdrlen; + /* add 8 bytes CCMP IV header to length */ + pattrib->pktlen += pattrib->iv_len; + if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { + memcpy(pframe, pattrib->icv, pattrib->icv_len); + pframe += pattrib->icv_len; + } + /* add 8 bytes MIC */ + pattrib->pktlen += pattrib->icv_len; + /* set final tx command size */ + pattrib->last_txcmdsz = pattrib->pktlen; + + /* set protected bit must be beofre SW encrypt */ + SetPrivacy(mem_start); + /* software encrypt */ + xmitframe_swencrypt(padapter, pxmitframe); + } + } + +xmitframe_coalesce_success: + spin_unlock_bh(&padapter->security_key_mutex); + kfree(BIP_AAD); + return _SUCCESS; + +xmitframe_coalesce_fail: + spin_unlock_bh(&padapter->security_key_mutex); + kfree(BIP_AAD); + return _FAIL; +} + +/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header + * IEEE LLC/SNAP header contains 8 octets + * First 3 octets comprise the LLC portion + * SNAP portion, 5 octets, is divided into two fields: + *Organizationally Unique Identifier(OUI), 3 octets, + *type, defined by that organization, 2 octets. + */ +s32 rtw_put_snap(u8 *data, u16 h_proto) +{ + struct ieee80211_snap_hdr *snap; + u8 *oui; + + snap = (struct ieee80211_snap_hdr *)data; + snap->dsap = 0xaa; + snap->ssap = 0xaa; + snap->ctrl = 0x03; + + if (h_proto == 0x8137 || h_proto == 0x80f3) + oui = P802_1H_OUI; + else + oui = RFC1042_OUI; + + snap->oui[0] = oui[0]; + snap->oui[1] = oui[1]; + snap->oui[2] = oui[2]; + + *(__be16 *)(data + SNAP_SIZE) = htons(h_proto); + + return SNAP_SIZE + sizeof(u16); +} + +void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len) +{ + + uint protection; + u8 *perp; + sint erp_len; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + + switch (pxmitpriv->vcs_setting) { + case DISABLE_VCS: + pxmitpriv->vcs = NONE_VCS; + break; + + case ENABLE_VCS: + break; + + case AUTO_VCS: + default: + perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); + if (perp == NULL) + pxmitpriv->vcs = NONE_VCS; + else{ + protection = (*(perp + 2)) & BIT(1); + if (protection) { + if (pregistrypriv->vcs_type == RTS_CTS) + pxmitpriv->vcs = RTS_CTS; + else + pxmitpriv->vcs = CTS_TO_SELF; + } else + pxmitpriv->vcs = NONE_VCS; + } + + break; + + } +} + +void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz) +{ + struct sta_info *psta = NULL; + struct stainfo_stats *pstats = NULL; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + u8 pkt_num = 1; + + if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) { + pkt_num = pxmitframe->agg_num; + + pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pkt_num; + + pxmitpriv->tx_pkts += pkt_num; + + pxmitpriv->tx_bytes += sz; + + psta = pxmitframe->attrib.psta; + if (psta) { + pstats = &psta->sta_stats; + + pstats->tx_pkts += pkt_num; + + pstats->tx_bytes += sz; + } + } +} + +static struct xmit_buf *__rtw_alloc_cmd_xmitbuf(struct xmit_priv *pxmitpriv, + enum cmdbuf_type buf_type) +{ + struct xmit_buf *pxmitbuf = NULL; + + pxmitbuf = &pxmitpriv->pcmd_xmitbuf[buf_type]; + if (pxmitbuf != NULL) { + pxmitbuf->priv_data = NULL; + + pxmitbuf->len = 0; + pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; + pxmitbuf->agg_num = 0; + pxmitbuf->pg_num = 0; + + if (pxmitbuf->sctx) { + DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); + } + } else + DBG_871X("%s fail, no xmitbuf available !!!\n", __func__); + + return pxmitbuf; +} + +struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv, + enum cmdbuf_type buf_type) +{ + struct xmit_frame *pcmdframe; + struct xmit_buf *pxmitbuf; + + pcmdframe = rtw_alloc_xmitframe(pxmitpriv); + if (pcmdframe == NULL) { + DBG_871X("%s, alloc xmitframe fail\n", __func__); + return NULL; + } + + pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type); + if (pxmitbuf == NULL) { + DBG_871X("%s, alloc xmitbuf fail\n", __func__); + rtw_free_xmitframe(pxmitpriv, pcmdframe); + return NULL; + } + + pcmdframe->frame_tag = MGNT_FRAMETAG; + + pcmdframe->pxmitbuf = pxmitbuf; + + pcmdframe->buf_addr = pxmitbuf->pbuf; + + pxmitbuf->priv_data = pcmdframe; + + return pcmdframe; + +} + +struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) +{ + _irqL irqL; + struct xmit_buf *pxmitbuf = NULL; + struct list_head *plist, *phead; + struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; + + spin_lock_irqsave(&pfree_queue->lock, irqL); + + if (list_empty(&pfree_queue->queue)) { + pxmitbuf = NULL; + } else { + + phead = get_list_head(pfree_queue); + + plist = get_next(phead); + + pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); + + list_del_init(&(pxmitbuf->list)); + } + + if (pxmitbuf != NULL) { + pxmitpriv->free_xmit_extbuf_cnt--; + #ifdef DBG_XMIT_BUF_EXT + DBG_871X("DBG_XMIT_BUF_EXT ALLOC no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt); + #endif + + + pxmitbuf->priv_data = NULL; + + pxmitbuf->len = 0; + pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; + pxmitbuf->agg_num = 1; + + if (pxmitbuf->sctx) { + DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); + } + + } + + spin_unlock_irqrestore(&pfree_queue->lock, irqL); + + return pxmitbuf; +} + +s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) +{ + _irqL irqL; + struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; + + if (pxmitbuf == NULL) + return _FAIL; + + spin_lock_irqsave(&pfree_queue->lock, irqL); + + list_del_init(&pxmitbuf->list); + + list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); + pxmitpriv->free_xmit_extbuf_cnt++; + #ifdef DBG_XMIT_BUF_EXT + DBG_871X("DBG_XMIT_BUF_EXT FREE no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt); + #endif + + spin_unlock_irqrestore(&pfree_queue->lock, irqL); + + return _SUCCESS; +} + +struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) +{ + _irqL irqL; + struct xmit_buf *pxmitbuf = NULL; + struct list_head *plist, *phead; + struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; + + /* DBG_871X("+rtw_alloc_xmitbuf\n"); */ + + spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL); + + if (list_empty(&pfree_xmitbuf_queue->queue)) { + pxmitbuf = NULL; + } else { + + phead = get_list_head(pfree_xmitbuf_queue); + + plist = get_next(phead); + + pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); + + list_del_init(&(pxmitbuf->list)); + } + + if (pxmitbuf != NULL) { + pxmitpriv->free_xmitbuf_cnt--; + #ifdef DBG_XMIT_BUF + DBG_871X("DBG_XMIT_BUF ALLOC no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt); + #endif + /* DBG_871X("alloc, free_xmitbuf_cnt =%d\n", pxmitpriv->free_xmitbuf_cnt); */ + + pxmitbuf->priv_data = NULL; + + pxmitbuf->len = 0; + pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; + pxmitbuf->agg_num = 0; + pxmitbuf->pg_num = 0; + + if (pxmitbuf->sctx) { + DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); + } + } + #ifdef DBG_XMIT_BUF + else + DBG_871X("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n"); + #endif + + spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL); + + return pxmitbuf; +} + +s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) +{ + _irqL irqL; + struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; + + /* DBG_871X("+rtw_free_xmitbuf\n"); */ + + if (pxmitbuf == NULL) + return _FAIL; + + if (pxmitbuf->sctx) { + DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE); + } + + if (pxmitbuf->buf_tag == XMITBUF_CMD) { + } else if (pxmitbuf->buf_tag == XMITBUF_MGNT) { + rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf); + } else{ + spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL); + + list_del_init(&pxmitbuf->list); + + list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); + + pxmitpriv->free_xmitbuf_cnt++; + /* DBG_871X("FREE, free_xmitbuf_cnt =%d\n", pxmitpriv->free_xmitbuf_cnt); */ + #ifdef DBG_XMIT_BUF + DBG_871X("DBG_XMIT_BUF FREE no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt); + #endif + spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL); + } + return _SUCCESS; +} + +static void rtw_init_xmitframe(struct xmit_frame *pxframe) +{ + if (pxframe != NULL) { /* default value setting */ + pxframe->buf_addr = NULL; + pxframe->pxmitbuf = NULL; + + memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib)); + /* pxframe->attrib.psta = NULL; */ + + pxframe->frame_tag = DATA_FRAMETAG; + + pxframe->pg_num = 1; + pxframe->agg_num = 1; + pxframe->ack_report = 0; + } +} + +/* +Calling context: +1. OS_TXENTRY +2. RXENTRY (rx_thread or RX_ISR/RX_CallBack) + +If we turn on USE_RXTHREAD, then, no need for critical section. +Otherwise, we must use _enter/_exit critical to protect free_xmit_queue... + +Must be very very cautious... + +*/ +struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */ +{ + /* + Please remember to use all the osdep_service api, + and lock/unlock or _enter/_exit critical to protect + pfree_xmit_queue + */ + + struct xmit_frame *pxframe = NULL; + struct list_head *plist, *phead; + struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; + + spin_lock_bh(&pfree_xmit_queue->lock); + + if (list_empty(&pfree_xmit_queue->queue)) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt)); + pxframe = NULL; + } else { + phead = get_list_head(pfree_xmit_queue); + + plist = get_next(phead); + + pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + list_del_init(&(pxframe->list)); + pxmitpriv->free_xmitframe_cnt--; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt)); + } + + spin_unlock_bh(&pfree_xmit_queue->lock); + + rtw_init_xmitframe(pxframe); + return pxframe; +} + +struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv) +{ + struct xmit_frame *pxframe = NULL; + struct list_head *plist, *phead; + struct __queue *queue = &pxmitpriv->free_xframe_ext_queue; + + spin_lock_bh(&queue->lock); + + if (list_empty(&queue->queue)) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext:%d\n", pxmitpriv->free_xframe_ext_cnt)); + pxframe = NULL; + } else { + phead = get_list_head(queue); + plist = get_next(phead); + pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + list_del_init(&(pxframe->list)); + pxmitpriv->free_xframe_ext_cnt--; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext():free_xmitframe_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt)); + } + + spin_unlock_bh(&queue->lock); + + rtw_init_xmitframe(pxframe); + + return pxframe; +} + +struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv) +{ + struct xmit_frame *pxframe = NULL; + u8 *alloc_addr; + + alloc_addr = rtw_zmalloc(sizeof(struct xmit_frame) + 4); + + if (alloc_addr == NULL) + goto exit; + + pxframe = (struct xmit_frame *)N_BYTE_ALIGMENT((SIZE_PTR)(alloc_addr), 4); + pxframe->alloc_addr = alloc_addr; + + pxframe->padapter = pxmitpriv->adapter; + pxframe->frame_tag = NULL_FRAMETAG; + + pxframe->pkt = NULL; + + pxframe->buf_addr = NULL; + pxframe->pxmitbuf = NULL; + + rtw_init_xmitframe(pxframe); + + DBG_871X("################## %s ##################\n", __func__); + +exit: + return pxframe; +} + +s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) +{ + struct __queue *queue = NULL; + struct adapter *padapter = pxmitpriv->adapter; + _pkt *pndis_pkt = NULL; + + if (pxmitframe == NULL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n")); + goto exit; + } + + if (pxmitframe->pkt) { + pndis_pkt = pxmitframe->pkt; + pxmitframe->pkt = NULL; + } + + if (pxmitframe->alloc_addr) { + DBG_871X("################## %s with alloc_addr ##################\n", __func__); + kfree(pxmitframe->alloc_addr); + goto check_pkt_complete; + } + + if (pxmitframe->ext_tag == 0) + queue = &pxmitpriv->free_xmit_queue; + else if (pxmitframe->ext_tag == 1) + queue = &pxmitpriv->free_xframe_ext_queue; + else { + + } + + spin_lock_bh(&queue->lock); + + list_del_init(&pxmitframe->list); + list_add_tail(&pxmitframe->list, get_list_head(queue)); + if (pxmitframe->ext_tag == 0) { + pxmitpriv->free_xmitframe_cnt++; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt)); + } else if (pxmitframe->ext_tag == 1) { + pxmitpriv->free_xframe_ext_cnt++; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xframe_ext_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt)); + } else { + } + + spin_unlock_bh(&queue->lock); + +check_pkt_complete: + + if (pndis_pkt) + rtw_os_pkt_complete(padapter, pndis_pkt); + +exit: + return _SUCCESS; +} + +void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue) +{ + struct list_head *plist, *phead; + struct xmit_frame *pxmitframe; + + spin_lock_bh(&(pframequeue->lock)); + + phead = get_list_head(pframequeue); + plist = get_next(phead); + + while (phead != plist) { + + pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + plist = get_next(plist); + + rtw_free_xmitframe(pxmitpriv, pxmitframe); + + } + spin_unlock_bh(&(pframequeue->lock)); +} + +s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + DBG_COUNTER(padapter->tx_logs.core_tx_enqueue); + if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n")); +/* pxmitframe->pkt = NULL; */ + return _FAIL; + } + + return _SUCCESS; +} + +struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac) +{ + struct tx_servq *ptxservq = NULL; + + switch (up) { + case 1: + case 2: + ptxservq = &(psta->sta_xmitpriv.bk_q); + *(ac) = 3; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n")); + break; + + case 4: + case 5: + ptxservq = &(psta->sta_xmitpriv.vi_q); + *(ac) = 1; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n")); + break; + + case 6: + case 7: + ptxservq = &(psta->sta_xmitpriv.vo_q); + *(ac) = 0; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n")); + break; + + case 0: + case 3: + default: + ptxservq = &(psta->sta_xmitpriv.be_q); + *(ac) = 2; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n")); + break; + + } + + return ptxservq; +} + +/* + * Will enqueue pxmitframe to the proper queue, + * and indicate it to xx_pending list..... + */ +s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + /* _irqL irqL0; */ + u8 ac_index; + struct sta_info *psta; + struct tx_servq *ptxservq; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; + sint res = _SUCCESS; + + DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class); + +/* + if (pattrib->psta) { + psta = pattrib->psta; + } else { + DBG_871X("%s, call rtw_get_stainfo()\n", __func__); + psta = rtw_get_stainfo(pstapriv, pattrib->ra); + } +*/ + + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + if (pattrib->psta != psta) { + DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_sta); + DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); + return _FAIL; + } + + if (psta == NULL) { + DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_nosta); + res = _FAIL; + DBG_8192C("rtw_xmit_classifier: psta == NULL\n"); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n")); + goto exit; + } + + if (!(psta->state & _FW_LINKED)) { + DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_fwlink); + DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); + return _FAIL; + } + + ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); + + /* spin_lock_irqsave(&pstapending->lock, irqL0); */ + + if (list_empty(&ptxservq->tx_pending)) { + list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue)); + } + + /* spin_lock_irqsave(&ptxservq->sta_pending.lock, irqL1); */ + + list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending)); + ptxservq->qcnt++; + phwxmits[ac_index].accnt++; + + /* spin_unlock_irqrestore(&ptxservq->sta_pending.lock, irqL1); */ + + /* spin_unlock_irqrestore(&pstapending->lock, irqL0); */ + +exit: + + return res; +} + +void rtw_alloc_hwxmits(struct adapter *padapter) +{ + struct hw_xmit *hwxmits; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + pxmitpriv->hwxmit_entry = HWXMIT_ENTRY; + + pxmitpriv->hwxmits = NULL; + + pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); + + if (pxmitpriv->hwxmits == NULL) { + DBG_871X("alloc hwxmits fail!...\n"); + return; + } + + hwxmits = pxmitpriv->hwxmits; + + if (pxmitpriv->hwxmit_entry == 5) { + /* pxmitpriv->bmc_txqueue.head = 0; */ + /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */ + hwxmits[0] .sta_queue = &pxmitpriv->bm_pending; + + /* pxmitpriv->vo_txqueue.head = 0; */ + /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */ + hwxmits[1] .sta_queue = &pxmitpriv->vo_pending; + + /* pxmitpriv->vi_txqueue.head = 0; */ + /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */ + hwxmits[2] .sta_queue = &pxmitpriv->vi_pending; + + /* pxmitpriv->bk_txqueue.head = 0; */ + /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */ + hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; + + /* pxmitpriv->be_txqueue.head = 0; */ + /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */ + hwxmits[4] .sta_queue = &pxmitpriv->be_pending; + + } else if (pxmitpriv->hwxmit_entry == 4) { + + /* pxmitpriv->vo_txqueue.head = 0; */ + /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */ + hwxmits[0] .sta_queue = &pxmitpriv->vo_pending; + + /* pxmitpriv->vi_txqueue.head = 0; */ + /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */ + hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; + + /* pxmitpriv->be_txqueue.head = 0; */ + /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */ + hwxmits[2] .sta_queue = &pxmitpriv->be_pending; + + /* pxmitpriv->bk_txqueue.head = 0; */ + /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */ + hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; + } else { + + } + + +} + +void rtw_free_hwxmits(struct adapter *padapter) +{ + struct hw_xmit *hwxmits; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + hwxmits = pxmitpriv->hwxmits; + if (hwxmits) + kfree((u8 *)hwxmits); +} + +void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry) +{ + sint i; + + for (i = 0; i < entry; i++, phwxmit++) { + /* spin_lock_init(&phwxmit->xmit_lock); */ + /* INIT_LIST_HEAD(&phwxmit->pending); */ + /* phwxmit->txcmdcnt = 0; */ + phwxmit->accnt = 0; + } +} + +u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe) +{ + u32 addr; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + + switch (pattrib->qsel) { + case 0: + case 3: + addr = BE_QUEUE_INX; + break; + case 1: + case 2: + addr = BK_QUEUE_INX; + break; + case 4: + case 5: + addr = VI_QUEUE_INX; + break; + case 6: + case 7: + addr = VO_QUEUE_INX; + break; + case 0x10: + addr = BCN_QUEUE_INX; + break; + case 0x11:/* BC/MC in PS (HIQ) */ + addr = HIGH_QUEUE_INX; + break; + case 0x12: + default: + addr = MGT_QUEUE_INX; + break; + + } + + return addr; + +} + +static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib) +{ + u8 qsel; + + qsel = pattrib->priority; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority =%d , qsel = %d\n", pattrib->priority, qsel)); + + pattrib->qsel = qsel; +} + +/* + * The main transmit(tx) entry + * + * Return + *1 enqueue + *0 success, hardware will handle this xmit frame(packet) + *<0 fail + */ +s32 rtw_xmit(struct adapter *padapter, _pkt **ppkt) +{ + static unsigned long start = 0; + static u32 drop_cnt = 0; + + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct xmit_frame *pxmitframe = NULL; + + s32 res; + + DBG_COUNTER(padapter->tx_logs.core_tx); + + if (start == 0) + start = jiffies; + + pxmitframe = rtw_alloc_xmitframe(pxmitpriv); + + if (jiffies_to_msecs(jiffies - start) > 2000) { + if (drop_cnt) + DBG_871X("DBG_TX_DROP_FRAME %s no more pxmitframe, drop_cnt:%u\n", __func__, drop_cnt); + start = jiffies; + drop_cnt = 0; + } + + if (pxmitframe == NULL) { + drop_cnt++; + RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); + DBG_COUNTER(padapter->tx_logs.core_tx_err_pxmitframe); + return -1; + } + + res = update_attrib(padapter, *ppkt, &pxmitframe->attrib); + + if (res == _FAIL) { + RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n")); + #ifdef DBG_TX_DROP_FRAME + DBG_871X("DBG_TX_DROP_FRAME %s update attrib fail\n", __func__); + #endif + rtw_free_xmitframe(pxmitpriv, pxmitframe); + return -1; + } + pxmitframe->pkt = *ppkt; + + do_queue_select(padapter, &pxmitframe->attrib); + + spin_lock_bh(&pxmitpriv->lock); + if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == true) { + spin_unlock_bh(&pxmitpriv->lock); + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue); + return 1; + } + spin_unlock_bh(&pxmitpriv->lock); + + /* pre_xmitframe */ + if (rtw_hal_xmit(padapter, pxmitframe) == false) + return 1; + + return 0; +} + +#define RTW_HIQ_FILTER_ALLOW_ALL 0 +#define RTW_HIQ_FILTER_ALLOW_SPECIAL 1 +#define RTW_HIQ_FILTER_DENY_ALL 2 + +inline bool xmitframe_hiq_filter(struct xmit_frame *xmitframe) +{ + bool allow = false; + struct adapter *adapter = xmitframe->padapter; + struct registry_priv *registry = &adapter->registrypriv; + + if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) { + + struct pkt_attrib *attrib = &xmitframe->attrib; + + if (attrib->ether_type == 0x0806 + || attrib->ether_type == 0x888e + || attrib->dhcp_pkt + ) { + DBG_871X(FUNC_ADPT_FMT" ether_type:0x%04x%s\n", FUNC_ADPT_ARG(xmitframe->padapter) + , attrib->ether_type, attrib->dhcp_pkt?" DHCP":""); + allow = true; + } + } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_ALL) + allow = true; + else if (registry->hiq_filter == RTW_HIQ_FILTER_DENY_ALL) { + } else + rtw_warn_on(1); + + return allow; +} + +sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + sint ret = false; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + sint bmcst = IS_MCAST(pattrib->ra); + bool update_tim = false; + + if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) { + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_fwstate); + return ret; + } +/* + if (pattrib->psta) + { + psta = pattrib->psta; + } + else + { + DBG_871X("%s, call rtw_get_stainfo()\n", __func__); + psta =rtw_get_stainfo(pstapriv, pattrib->ra); + } +*/ + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + if (pattrib->psta != psta) { + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_sta); + DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); + return false; + } + + if (psta == NULL) { + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_nosta); + DBG_871X("%s, psta ==NUL\n", __func__); + return false; + } + + if (!(psta->state & _FW_LINKED)) { + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_link); + DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); + return false; + } + + if (pattrib->triggered == 1) { + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_trigger); + /* DBG_871X("directly xmit pspoll_triggered packet\n"); */ + + /* pattrib->triggered = 0; */ + if (bmcst && xmitframe_hiq_filter(pxmitframe) == true) + pattrib->qsel = 0x11;/* HIQ */ + + return ret; + } + + + if (bmcst) { + spin_lock_bh(&psta->sleep_q.lock); + + if (pstapriv->sta_dz_bitmap) { /* if anyone sta is in ps mode */ + /* pattrib->qsel = 0x11;HIQ */ + + list_del_init(&pxmitframe->list); + + /* spin_lock_bh(&psta->sleep_q.lock); */ + + list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); + + psta->sleepq_len++; + + if (!(pstapriv->tim_bitmap & BIT(0))) + update_tim = true; + + pstapriv->tim_bitmap |= BIT(0);/* */ + pstapriv->sta_dz_bitmap |= BIT(0); + + /* DBG_871X("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */ + + if (update_tim == true) { + update_beacon(padapter, _TIM_IE_, NULL, true); + } else { + chk_bmc_sleepq_cmd(padapter); + } + + /* spin_unlock_bh(&psta->sleep_q.lock); */ + + ret = true; + + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_mcast); + + } + + spin_unlock_bh(&psta->sleep_q.lock); + + return ret; + + } + + + spin_lock_bh(&psta->sleep_q.lock); + + if (psta->state&WIFI_SLEEP_STATE) { + u8 wmmps_ac = 0; + + if (pstapriv->sta_dz_bitmap & BIT(psta->aid)) { + list_del_init(&pxmitframe->list); + + /* spin_lock_bh(&psta->sleep_q.lock); */ + + list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); + + psta->sleepq_len++; + + switch (pattrib->priority) { + case 1: + case 2: + wmmps_ac = psta->uapsd_bk&BIT(0); + break; + case 4: + case 5: + wmmps_ac = psta->uapsd_vi&BIT(0); + break; + case 6: + case 7: + wmmps_ac = psta->uapsd_vo&BIT(0); + break; + case 0: + case 3: + default: + wmmps_ac = psta->uapsd_be&BIT(0); + break; + } + + if (wmmps_ac) + psta->sleepq_ac_len++; + + if (((psta->has_legacy_ac) && (!wmmps_ac)) || ((!psta->has_legacy_ac) && (wmmps_ac))) { + if (!(pstapriv->tim_bitmap & BIT(psta->aid))) + update_tim = true; + + pstapriv->tim_bitmap |= BIT(psta->aid); + + /* DBG_871X("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */ + + if (update_tim == true) + /* DBG_871X("sleepq_len == 1, update BCNTIM\n"); */ + /* upate BCN for TIM IE */ + update_beacon(padapter, _TIM_IE_, NULL, true); + } + + /* spin_unlock_bh(&psta->sleep_q.lock); */ + + /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */ + /* */ + /* wakeup_sta_to_xmit(padapter, psta); */ + /* */ + + ret = true; + + DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_ucast); + } + + } + + spin_unlock_bh(&psta->sleep_q.lock); + + return ret; + +} + +static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue) +{ + sint ret; + struct list_head *plist, *phead; + u8 ac_index; + struct tx_servq *ptxservq; + struct pkt_attrib *pattrib; + struct xmit_frame *pxmitframe; + struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; + + phead = get_list_head(pframequeue); + plist = get_next(phead); + + while (phead != plist) { + pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + plist = get_next(plist); + + pattrib = &pxmitframe->attrib; + + pattrib->triggered = 0; + + ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); + + if (true == ret) { + ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); + + ptxservq->qcnt--; + phwxmits[ac_index].accnt--; + } else { + /* DBG_871X("xmitframe_enqueue_for_sleeping_sta return false\n"); */ + } + + } + +} + +void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta) +{ + struct sta_info *psta_bmc; + struct sta_xmit_priv *pstaxmitpriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + pstaxmitpriv = &psta->sta_xmitpriv; + + /* for BC/MC Frames */ + psta_bmc = rtw_get_bcmc_stainfo(padapter); + + + spin_lock_bh(&pxmitpriv->lock); + + psta->state |= WIFI_SLEEP_STATE; + + pstapriv->sta_dz_bitmap |= BIT(psta->aid); + + + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); + list_del_init(&(pstaxmitpriv->vo_q.tx_pending)); + + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); + list_del_init(&(pstaxmitpriv->vi_q.tx_pending)); + + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); + list_del_init(&(pstaxmitpriv->be_q.tx_pending)); + + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); + list_del_init(&(pstaxmitpriv->bk_q.tx_pending)); + + /* for BC/MC Frames */ + pstaxmitpriv = &psta_bmc->sta_xmitpriv; + dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); + list_del_init(&(pstaxmitpriv->be_q.tx_pending)); + + spin_unlock_bh(&pxmitpriv->lock); +} + +void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) +{ + u8 update_mask = 0, wmmps_ac = 0; + struct sta_info *psta_bmc; + struct list_head *xmitframe_plist, *xmitframe_phead; + struct xmit_frame *pxmitframe = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + psta_bmc = rtw_get_bcmc_stainfo(padapter); + + + /* spin_lock_bh(&psta->sleep_q.lock); */ + spin_lock_bh(&pxmitpriv->lock); + + xmitframe_phead = get_list_head(&psta->sleep_q); + xmitframe_plist = get_next(xmitframe_phead); + + while (xmitframe_phead != xmitframe_plist) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + list_del_init(&pxmitframe->list); + + switch (pxmitframe->attrib.priority) { + case 1: + case 2: + wmmps_ac = psta->uapsd_bk&BIT(1); + break; + case 4: + case 5: + wmmps_ac = psta->uapsd_vi&BIT(1); + break; + case 6: + case 7: + wmmps_ac = psta->uapsd_vo&BIT(1); + break; + case 0: + case 3: + default: + wmmps_ac = psta->uapsd_be&BIT(1); + break; + } + + psta->sleepq_len--; + if (psta->sleepq_len > 0) + pxmitframe->attrib.mdata = 1; + else + pxmitframe->attrib.mdata = 0; + + if (wmmps_ac) { + psta->sleepq_ac_len--; + if (psta->sleepq_ac_len > 0) { + pxmitframe->attrib.mdata = 1; + pxmitframe->attrib.eosp = 0; + } else{ + pxmitframe->attrib.mdata = 0; + pxmitframe->attrib.eosp = 1; + } + } + + pxmitframe->attrib.triggered = 1; + +/* + spin_unlock_bh(&psta->sleep_q.lock); + if (rtw_hal_xmit(padapter, pxmitframe) == true) + { + rtw_os_xmit_complete(padapter, pxmitframe); + } + spin_lock_bh(&psta->sleep_q.lock); +*/ + rtw_hal_xmitframe_enqueue(padapter, pxmitframe); + + + } + + if (psta->sleepq_len == 0) { + if (pstapriv->tim_bitmap & BIT(psta->aid)) { + /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */ + /* upate BCN for TIM IE */ + /* update_BCNTIM(padapter); */ + update_mask = BIT(0); + } + + pstapriv->tim_bitmap &= ~BIT(psta->aid); + + if (psta->state&WIFI_SLEEP_STATE) + psta->state ^= WIFI_SLEEP_STATE; + + if (psta->state & WIFI_STA_ALIVE_CHK_STATE) { + DBG_871X("%s alive check\n", __func__); + psta->expire_to = pstapriv->expire_to; + psta->state ^= WIFI_STA_ALIVE_CHK_STATE; + } + + pstapriv->sta_dz_bitmap &= ~BIT(psta->aid); + } + + /* for BC/MC Frames */ + if (!psta_bmc) + goto _exit; + + if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */ + xmitframe_phead = get_list_head(&psta_bmc->sleep_q); + xmitframe_plist = get_next(xmitframe_phead); + + while (xmitframe_phead != xmitframe_plist) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + list_del_init(&pxmitframe->list); + + psta_bmc->sleepq_len--; + if (psta_bmc->sleepq_len > 0) + pxmitframe->attrib.mdata = 1; + else + pxmitframe->attrib.mdata = 0; + + + pxmitframe->attrib.triggered = 1; +/* + spin_unlock_bh(&psta_bmc->sleep_q.lock); + if (rtw_hal_xmit(padapter, pxmitframe) == true) + { + rtw_os_xmit_complete(padapter, pxmitframe); + } + spin_lock_bh(&psta_bmc->sleep_q.lock); + +*/ + rtw_hal_xmitframe_enqueue(padapter, pxmitframe); + + } + + if (psta_bmc->sleepq_len == 0) { + if (pstapriv->tim_bitmap & BIT(0)) { + /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */ + /* upate BCN for TIM IE */ + /* update_BCNTIM(padapter); */ + update_mask |= BIT(1); + } + pstapriv->tim_bitmap &= ~BIT(0); + pstapriv->sta_dz_bitmap &= ~BIT(0); + } + + } + +_exit: + + /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */ + spin_unlock_bh(&pxmitpriv->lock); + + if (update_mask) + /* update_BCNTIM(padapter); */ + /* printk("%s => call update_beacon\n", __func__); */ + update_beacon(padapter, _TIM_IE_, NULL, true); + +} + +void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta) +{ + u8 wmmps_ac = 0; + struct list_head *xmitframe_plist, *xmitframe_phead; + struct xmit_frame *pxmitframe = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + + /* spin_lock_bh(&psta->sleep_q.lock); */ + spin_lock_bh(&pxmitpriv->lock); + + xmitframe_phead = get_list_head(&psta->sleep_q); + xmitframe_plist = get_next(xmitframe_phead); + + while (xmitframe_phead != xmitframe_plist) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + switch (pxmitframe->attrib.priority) { + case 1: + case 2: + wmmps_ac = psta->uapsd_bk&BIT(1); + break; + case 4: + case 5: + wmmps_ac = psta->uapsd_vi&BIT(1); + break; + case 6: + case 7: + wmmps_ac = psta->uapsd_vo&BIT(1); + break; + case 0: + case 3: + default: + wmmps_ac = psta->uapsd_be&BIT(1); + break; + } + + if (!wmmps_ac) + continue; + + list_del_init(&pxmitframe->list); + + psta->sleepq_len--; + psta->sleepq_ac_len--; + + if (psta->sleepq_ac_len > 0) { + pxmitframe->attrib.mdata = 1; + pxmitframe->attrib.eosp = 0; + } else{ + pxmitframe->attrib.mdata = 0; + pxmitframe->attrib.eosp = 1; + } + + pxmitframe->attrib.triggered = 1; + rtw_hal_xmitframe_enqueue(padapter, pxmitframe); + + if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) { + pstapriv->tim_bitmap &= ~BIT(psta->aid); + + /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */ + /* upate BCN for TIM IE */ + /* update_BCNTIM(padapter); */ + update_beacon(padapter, _TIM_IE_, NULL, true); + /* update_mask = BIT(0); */ + } + + } + + /* spin_unlock_bh(&psta->sleep_q.lock); */ + spin_unlock_bh(&pxmitpriv->lock); + + return; +} + +void enqueue_pending_xmitbuf( + struct xmit_priv *pxmitpriv, + struct xmit_buf *pxmitbuf) +{ + struct __queue *pqueue; + struct adapter *pri_adapter = pxmitpriv->adapter; + + pqueue = &pxmitpriv->pending_xmitbuf_queue; + + spin_lock_bh(&pqueue->lock); + list_del_init(&pxmitbuf->list); + list_add_tail(&pxmitbuf->list, get_list_head(pqueue)); + spin_unlock_bh(&pqueue->lock); + + up(&(pri_adapter->xmitpriv.xmit_sema)); +} + +void enqueue_pending_xmitbuf_to_head( + struct xmit_priv *pxmitpriv, + struct xmit_buf *pxmitbuf) +{ + struct __queue *pqueue; + + pqueue = &pxmitpriv->pending_xmitbuf_queue; + + spin_lock_bh(&pqueue->lock); + list_del_init(&pxmitbuf->list); + list_add(&pxmitbuf->list, get_list_head(pqueue)); + spin_unlock_bh(&pqueue->lock); +} + +struct xmit_buf *dequeue_pending_xmitbuf( + struct xmit_priv *pxmitpriv) +{ + struct xmit_buf *pxmitbuf; + struct __queue *pqueue; + + + pxmitbuf = NULL; + pqueue = &pxmitpriv->pending_xmitbuf_queue; + + spin_lock_bh(&pqueue->lock); + + if (!list_empty(&pqueue->queue)) { + struct list_head *plist, *phead; + + phead = get_list_head(pqueue); + plist = get_next(phead); + pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); + list_del_init(&pxmitbuf->list); + } + + spin_unlock_bh(&pqueue->lock); + + return pxmitbuf; +} + +struct xmit_buf *dequeue_pending_xmitbuf_under_survey( + struct xmit_priv *pxmitpriv) +{ + struct xmit_buf *pxmitbuf; + struct __queue *pqueue; + + + pxmitbuf = NULL; + pqueue = &pxmitpriv->pending_xmitbuf_queue; + + spin_lock_bh(&pqueue->lock); + + if (!list_empty(&pqueue->queue)) { + struct list_head *plist, *phead; + u8 type; + + phead = get_list_head(pqueue); + plist = phead; + do { + plist = get_next(plist); + if (plist == phead) + break; + + pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); + + type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET); + + if ((type == WIFI_PROBEREQ) || + (type == WIFI_DATA_NULL) || + (type == WIFI_QOS_DATA_NULL)) { + list_del_init(&pxmitbuf->list); + break; + } + pxmitbuf = NULL; + } while (1); + } + + spin_unlock_bh(&pqueue->lock); + + return pxmitbuf; +} + +sint check_pending_xmitbuf( + struct xmit_priv *pxmitpriv) +{ + struct __queue *pqueue; + sint ret = false; + + pqueue = &pxmitpriv->pending_xmitbuf_queue; + + spin_lock_bh(&pqueue->lock); + + if (!list_empty(&pqueue->queue)) + ret = true; + + spin_unlock_bh(&pqueue->lock); + + return ret; +} + +int rtw_xmit_thread(void *context) +{ + s32 err; + struct adapter *padapter; + + + err = _SUCCESS; + padapter = (struct adapter *)context; + + thread_enter("RTW_XMIT_THREAD"); + + do { + err = rtw_hal_xmit_thread_handler(padapter); + flush_signals_thread(); + } while (_SUCCESS == err); + + up(&padapter->xmitpriv.terminate_xmitthread_sema); + + thread_exit(); +} + +void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms) +{ + sctx->timeout_ms = timeout_ms; + sctx->submit_time = jiffies; + init_completion(&sctx->done); + sctx->status = RTW_SCTX_SUBMITTED; +} + +int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg) +{ + int ret = _FAIL; + unsigned long expire; + int status = 0; + + expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT; + if (!wait_for_completion_timeout(&sctx->done, expire)) { + /* timeout, do something?? */ + status = RTW_SCTX_DONE_TIMEOUT; + DBG_871X("%s timeout: %s\n", __func__, msg); + } else { + status = sctx->status; + } + + if (status == RTW_SCTX_DONE_SUCCESS) { + ret = _SUCCESS; + } + + return ret; +} + +static bool rtw_sctx_chk_waring_status(int status) +{ + switch (status) { + case RTW_SCTX_DONE_UNKNOWN: + case RTW_SCTX_DONE_BUF_ALLOC: + case RTW_SCTX_DONE_BUF_FREE: + + case RTW_SCTX_DONE_DRV_STOP: + case RTW_SCTX_DONE_DEV_REMOVE: + return true; + default: + return false; + } +} + +void rtw_sctx_done_err(struct submit_ctx **sctx, int status) +{ + if (*sctx) { + if (rtw_sctx_chk_waring_status(status)) + DBG_871X("%s status:%d\n", __func__, status); + (*sctx)->status = status; + complete(&((*sctx)->done)); + *sctx = NULL; + } +} + +void rtw_sctx_done(struct submit_ctx **sctx) +{ + rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS); +} + +int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms) +{ + struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; + + pack_tx_ops->submit_time = jiffies; + pack_tx_ops->timeout_ms = timeout_ms; + pack_tx_ops->status = RTW_SCTX_SUBMITTED; + + return rtw_sctx_wait(pack_tx_ops, __func__); +} + +void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status) +{ + struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; + + if (pxmitpriv->ack_tx) { + rtw_sctx_done_err(&pack_tx_ops, status); + } else { + DBG_871X("%s ack_tx not set\n", __func__); + } +} |
