diff options
Diffstat (limited to 'drivers/staging/rtl8192ee/rtl8192ee/trx.c')
| -rw-r--r-- | drivers/staging/rtl8192ee/rtl8192ee/trx.c | 1286 |
1 files changed, 0 insertions, 1286 deletions
diff --git a/drivers/staging/rtl8192ee/rtl8192ee/trx.c b/drivers/staging/rtl8192ee/rtl8192ee/trx.c deleted file mode 100644 index 1190c8bdb0d3..000000000000 --- a/drivers/staging/rtl8192ee/rtl8192ee/trx.c +++ /dev/null @@ -1,1286 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2009-2010 Realtek Corporation. - * - * 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. - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> - * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, - * Hsinchu 300, Taiwan. - * - * Larry Finger <Larry.Finger@lwfinger.net> - * - *****************************************************************************/ - -#include "../wifi.h" -#include "../pci.h" -#include "../base.h" -#include "../stats.h" -#include "reg.h" -#include "def.h" -#include "phy.h" -#include "trx.h" -#include "led.h" -#include "dm.h" -#include "fw.h" - -static u8 _rtl92ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) -{ - __le16 fc = rtl_get_fc(skb); - - if (unlikely(ieee80211_is_beacon(fc))) - return QSLT_BEACON; - if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) - return QSLT_MGNT; - - return skb->priority; -} - -/* mac80211's rate_idx is like this: - * - * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ - * - * B/G rate: - * (rx_status->flag & RX_FLAG_HT) = 0, - * DESC92C_RATE1M-->DESC92C_RATE54M ==> idx is 0-->11, - * - * N rate: - * (rx_status->flag & RX_FLAG_HT) = 1, - * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15 - * - * 5G band:rx_status->band == IEEE80211_BAND_5GHZ - * A rate: - * (rx_status->flag & RX_FLAG_HT) = 0, - * DESC92C_RATE6M-->DESC92C_RATE54M ==> idx is 0-->7, - * - * N rate: - * (rx_status->flag & RX_FLAG_HT) = 1, - * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15 - */ -static int _rtl92ee_rate_mapping(struct ieee80211_hw *hw, - bool isht, u8 desc_rate) -{ - int rate_idx; - - if (!false) { - if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { - switch (desc_rate) { - case DESC92C_RATE1M: - rate_idx = 0; - break; - case DESC92C_RATE2M: - rate_idx = 1; - break; - case DESC92C_RATE5_5M: - rate_idx = 2; - break; - case DESC92C_RATE11M: - rate_idx = 3; - break; - case DESC92C_RATE6M: - rate_idx = 4; - break; - case DESC92C_RATE9M: - rate_idx = 5; - break; - case DESC92C_RATE12M: - rate_idx = 6; - break; - case DESC92C_RATE18M: - rate_idx = 7; - break; - case DESC92C_RATE24M: - rate_idx = 8; - break; - case DESC92C_RATE36M: - rate_idx = 9; - break; - case DESC92C_RATE48M: - rate_idx = 10; - break; - case DESC92C_RATE54M: - rate_idx = 11; - break; - default: - rate_idx = 0; - break; - } - } else { - switch (desc_rate) { - case DESC92C_RATE6M: - rate_idx = 0; - break; - case DESC92C_RATE9M: - rate_idx = 1; - break; - case DESC92C_RATE12M: - rate_idx = 2; - break; - case DESC92C_RATE18M: - rate_idx = 3; - break; - case DESC92C_RATE24M: - rate_idx = 4; - break; - case DESC92C_RATE36M: - rate_idx = 5; - break; - case DESC92C_RATE48M: - rate_idx = 6; - break; - case DESC92C_RATE54M: - rate_idx = 7; - break; - default: - rate_idx = 0; - break; - } - } - } else { - switch (desc_rate) { - case DESC92C_RATEMCS0: - rate_idx = 0; - break; - case DESC92C_RATEMCS1: - rate_idx = 1; - break; - case DESC92C_RATEMCS2: - rate_idx = 2; - break; - case DESC92C_RATEMCS3: - rate_idx = 3; - break; - case DESC92C_RATEMCS4: - rate_idx = 4; - break; - case DESC92C_RATEMCS5: - rate_idx = 5; - break; - case DESC92C_RATEMCS6: - rate_idx = 6; - break; - case DESC92C_RATEMCS7: - rate_idx = 7; - break; - case DESC92C_RATEMCS8: - rate_idx = 8; - break; - case DESC92C_RATEMCS9: - rate_idx = 9; - break; - case DESC92C_RATEMCS10: - rate_idx = 10; - break; - case DESC92C_RATEMCS11: - rate_idx = 11; - break; - case DESC92C_RATEMCS12: - rate_idx = 12; - break; - case DESC92C_RATEMCS13: - rate_idx = 13; - break; - case DESC92C_RATEMCS14: - rate_idx = 14; - break; - case DESC92C_RATEMCS15: - rate_idx = 15; - break; - default: - rate_idx = 0; - break; - } - } - return rate_idx; -} - -static void _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw, - struct rtl_stats *pstatus, u8 *pdesc, - struct rx_fwinfo *p_drvinfo, - bool bpacket_match_bssid, - bool bpacket_toself, - bool b_packet_beacon) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo; - char rx_pwr_all = 0, rx_pwr[4]; - u8 rf_rx_num = 0, evm, pwdb_all; - u8 i, max_spatial_stream; - u32 rssi, total_rssi = 0; - bool b_is_cck = pstatus->b_is_cck; - u8 lan_idx , vga_idx; - - /* Record it for next packet processing */ - pstatus->b_packet_matchbssid = bpacket_match_bssid; - pstatus->b_packet_toself = bpacket_toself; - pstatus->b_packet_beacon = b_packet_beacon; - pstatus->rx_mimo_signalquality[0] = -1; - pstatus->rx_mimo_signalquality[1] = -1; - - if (b_is_cck) { - u8 cck_highpwr; - u8 cck_agc_rpt; - /* CCK Driver info Structure is not the same as OFDM packet. */ - cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a; - - /* (1)Hardware does not provide RSSI for CCK */ - /* (2)PWDB, Average PWDB cacluated by - * hardware (for rate adaptive) */ - cck_highpwr = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, - BIT(9)); - - lan_idx = ((cck_agc_rpt & 0xE0) >> 5); - vga_idx = (cck_agc_rpt & 0x1f); - switch (lan_idx) { - case 7: /*VGA_idx = 27~2*/ - if (vga_idx <= 27) - rx_pwr_all = -100 + 2 * (27 - vga_idx); - else - rx_pwr_all = -100; - break; - case 6: /*VGA_idx = 2~0*/ - rx_pwr_all = -48 + 2 * (2 - vga_idx); - break; - case 5: /*VGA_idx = 7~5*/ - rx_pwr_all = -42 + 2 * (7 - vga_idx); - break; - case 4: /*VGA_idx = 7~4*/ - rx_pwr_all = -36 + 2 * (7 - vga_idx); - break; - case 3: /*VGA_idx = 7~0*/ - rx_pwr_all = -24 + 2 * (7 - vga_idx); - break; - case 2: /*VGA_idx = 5~0*/ - if (cck_highpwr) - rx_pwr_all = -12 + 2 * (5 - vga_idx); - else - rx_pwr_all = -6 + 2 * (5 - vga_idx); - break; - case 1: - rx_pwr_all = 8 - 2 * vga_idx; - break; - case 0: - rx_pwr_all = 14 - 2 * vga_idx; - break; - default: - break; - } - rx_pwr_all += 16; - pwdb_all = stg_rtl_query_rxpwrpercentage(rx_pwr_all); - - if (!cck_highpwr) { - if (pwdb_all >= 80) - pwdb_all = ((pwdb_all - 80) << 1) + - ((pwdb_all - 80) >> 1) + 80; - else if ((pwdb_all <= 78) && (pwdb_all >= 20)) - pwdb_all += 3; - if (pwdb_all > 100) - pwdb_all = 100; - } - - pstatus->rx_pwdb_all = pwdb_all; - pstatus->bt_rx_rssi_percentage = pwdb_all; - pstatus->recvsignalpower = rx_pwr_all; - - /* (3) Get Signal Quality (EVM) */ - if (bpacket_match_bssid) { - u8 sq, sq_rpt; - - if (pstatus->rx_pwdb_all > 40) { - sq = 100; - } else { - sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all; - if (sq_rpt > 64) - sq = 0; - else if (sq_rpt < 20) - sq = 100; - else - sq = ((64 - sq_rpt) * 100) / 44; - } - - pstatus->signalquality = sq; - pstatus->rx_mimo_signalquality[0] = sq; - pstatus->rx_mimo_signalquality[1] = -1; - } - } else { - /* (1)Get RSSI for HT rate */ - for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { - /* we will judge RF RX path now. */ - if (rtlpriv->dm.brfpath_rxenable[i]) - rf_rx_num++; - - rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2) - - 110; - - pstatus->rx_pwr[i] = rx_pwr[i]; - /* Translate DBM to percentage. */ - rssi = stg_rtl_query_rxpwrpercentage(rx_pwr[i]); - total_rssi += rssi; - - pstatus->rx_mimo_signalstrength[i] = (u8)rssi; - } - - /* (2)PWDB, Average PWDB cacluated by - * hardware (for rate adaptive) */ - rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) - & 0x7f) - 110; - - pwdb_all = stg_rtl_query_rxpwrpercentage(rx_pwr_all); - pstatus->rx_pwdb_all = pwdb_all; - pstatus->bt_rx_rssi_percentage = pwdb_all; - pstatus->rxpower = rx_pwr_all; - pstatus->recvsignalpower = rx_pwr_all; - - /* (3)EVM of HT rate */ - if (pstatus->rate >= DESC92C_RATEMCS8 && - pstatus->rate <= DESC92C_RATEMCS15) - max_spatial_stream = 2; - else - max_spatial_stream = 1; - - for (i = 0; i < max_spatial_stream; i++) { - evm = stg_rtl_evm_db_to_percentage( - p_phystrpt->stream_rxevm[i]); - - if (bpacket_match_bssid) { - /* Fill value in RFD, Get the first - * spatial stream only */ - if (i == 0) - pstatus->signalquality = (u8)(evm & - 0xff); - pstatus->rx_mimo_signalquality[i] = (u8)(evm & - 0xff); - } - } - - if (bpacket_match_bssid) { - for (i = RF90_PATH_A; i <= RF90_PATH_B; i++) - rtl_priv(hw)->dm.cfo_tail[i] = - (int)p_phystrpt->path_cfotail[i]; - - if (rtl_priv(hw)->dm.packet_count == 0xffffffff) - rtl_priv(hw)->dm.packet_count = 0; - else - rtl_priv(hw)->dm.packet_count++; - } - } - - /* UI BSS List signal strength(in percentage), - * make it good looking, from 0~100. */ - if (b_is_cck) - pstatus->signalstrength = (u8)(stg_rtl_signal_scale_mapping(hw, - pwdb_all)); - else if (rf_rx_num != 0) - pstatus->signalstrength = (u8)(stg_rtl_signal_scale_mapping(hw, - total_rssi /= rf_rx_num)); -} - -static void _rtl92ee_translate_rx_signal_stuff(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct rtl_stats *pstatus, - u8 *pdesc, - struct rx_fwinfo *p_drvinfo) -{ - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); - struct ieee80211_hdr *hdr; - u8 *tmp_buf; - u8 *praddr; - u8 *psaddr; - __le16 fc; - u16 cpu_fc, type; - bool b_packet_matchbssid, b_packet_toself, b_packet_beacon; - - tmp_buf = skb->data + pstatus->rx_drvinfo_size + - pstatus->rx_bufshift + 24; - - hdr = (struct ieee80211_hdr *)tmp_buf; - fc = hdr->frame_control; - cpu_fc = le16_to_cpu(fc); - type = WLAN_FC_GET_TYPE(fc); - praddr = hdr->addr1; - psaddr = ieee80211_get_SA(hdr); - ether_addr_copy(pstatus->psaddr, psaddr); - - b_packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && - (ether_addr_equal(mac->bssid, - (cpu_fc & IEEE80211_FCTL_TODS) ? - hdr->addr1 : - (cpu_fc & IEEE80211_FCTL_FROMDS) ? - hdr->addr2 : hdr->addr3)) && - (!pstatus->b_hwerror) && (!pstatus->b_crc) && - (!pstatus->b_icv)); - - b_packet_toself = b_packet_matchbssid && - (ether_addr_equal(praddr, rtlefuse->dev_addr)); - - if (ieee80211_is_beacon(fc)) - b_packet_beacon = true; - else - b_packet_beacon = false; - - if (b_packet_beacon && b_packet_matchbssid) - rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; - - if (b_packet_matchbssid && ieee80211_is_data_qos(fc) && - !is_multicast_ether_addr(ieee80211_get_DA(hdr))) { - struct ieee80211_qos_hdr *hdr_qos = - (struct ieee80211_qos_hdr *)tmp_buf; - u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf; - if (tid != 0 && tid != 3) - rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++; - } - _rtl92ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, - b_packet_matchbssid, b_packet_toself, - b_packet_beacon); - stg_rtl_process_phyinfo(hw, tmp_buf, pstatus); -} - -static void _rtl92ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, - u8 *virtualaddress) -{ - u32 dwtmp = 0; - memset(virtualaddress, 0, 8); - - SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); - if (ptcb_desc->empkt_num == 1) { - dwtmp = ptcb_desc->empkt_len[0]; - } else { - dwtmp = ptcb_desc->empkt_len[0]; - dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; - dwtmp += ptcb_desc->empkt_len[1]; - } - SET_EARLYMODE_LEN0(virtualaddress, dwtmp); - - if (ptcb_desc->empkt_num <= 3) { - dwtmp = ptcb_desc->empkt_len[2]; - } else { - dwtmp = ptcb_desc->empkt_len[2]; - dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; - dwtmp += ptcb_desc->empkt_len[3]; - } - SET_EARLYMODE_LEN1(virtualaddress, dwtmp); - if (ptcb_desc->empkt_num <= 5) { - dwtmp = ptcb_desc->empkt_len[4]; - } else { - dwtmp = ptcb_desc->empkt_len[4]; - dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; - dwtmp += ptcb_desc->empkt_len[5]; - } - SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF); - SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4); - if (ptcb_desc->empkt_num <= 7) { - dwtmp = ptcb_desc->empkt_len[6]; - } else { - dwtmp = ptcb_desc->empkt_len[6]; - dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; - dwtmp += ptcb_desc->empkt_len[7]; - } - SET_EARLYMODE_LEN3(virtualaddress, dwtmp); - if (ptcb_desc->empkt_num <= 9) { - dwtmp = ptcb_desc->empkt_len[8]; - } else { - dwtmp = ptcb_desc->empkt_len[8]; - dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; - dwtmp += ptcb_desc->empkt_len[9]; - } - SET_EARLYMODE_LEN4(virtualaddress, dwtmp); -} - -bool rtl92ee_rx_query_desc(struct ieee80211_hw *hw, - struct rtl_stats *status, - struct ieee80211_rx_status *rx_status, - u8 *pdesc, struct sk_buff *skb) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rx_fwinfo *p_drvinfo; - struct ieee80211_hdr *hdr; - - u32 phystatus = GET_RX_DESC_PHYST(pdesc); - status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); - status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * - RX_DRV_INFO_SIZE_UNIT; - status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03); - status->b_icv = (u16) GET_RX_DESC_ICV(pdesc); - status->b_crc = (u16) GET_RX_DESC_CRC32(pdesc); - status->b_hwerror = (status->b_crc | status->b_icv); - status->decrypted = !GET_RX_DESC_SWDEC(pdesc); - status->rate = (u8) GET_RX_DESC_RXMCS(pdesc); - status->b_isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1); - status->timestamp_low = GET_RX_DESC_TSFL(pdesc); - status->b_is_cck = RX_HAL_IS_CCK_RATE(status->rate); - - status->macid = GET_RX_DESC_MACID(pdesc); - if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc)) - status->wake_match = BIT(2); - else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc)) - status->wake_match = BIT(1); - else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc)) - status->wake_match = BIT(0); - else - status->wake_match = 0; - if (status->wake_match) - RT_TRACE(COMP_RXDESC , DBG_LOUD, - ("GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch =%d\n", - status->wake_match)); - rx_status->freq = hw->conf.chandef.chan->center_freq; - rx_status->band = hw->conf.chandef.chan->band; - - hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size + - status->rx_bufshift + 24); - - if (status->b_crc) - rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; - - if (status->rx_is40Mhzpacket) - rx_status->flag |= RX_FLAG_40MHZ; - - if (status->b_is_ht) - rx_status->flag |= RX_FLAG_HT; - - rx_status->flag |= RX_FLAG_MACTIME_MPDU; - - /* hw will set status->decrypted true, if it finds the - * frame is open data frame or mgmt frame. */ - /* So hw will not decryption robust managment frame - * for IEEE80211w but still set status->decrypted - * true, so here we should set it back to undecrypted - * for IEEE80211w frame, and mac80211 sw will help - * to decrypt it */ - if (status->decrypted) { - if (!hdr) { - WARN_ON_ONCE(true); - pr_err("decrypted is true but hdr NULL, from skb %p\n", - rtl_get_hdr(skb)); - return false; - } - - if ((!_ieee80211_is_robust_mgmt_frame(hdr)) && - (ieee80211_has_protected(hdr->frame_control))) - rx_status->flag |= RX_FLAG_DECRYPTED; - else - rx_status->flag &= ~RX_FLAG_DECRYPTED; - } - - /* rate_idx: index of data rate into band's - * supported rates or MCS index if HT rates - * are use (RX_FLAG_HT)*/ - /* Notice: this is diff with windows define */ - rx_status->rate_idx = _rtl92ee_rate_mapping(hw, - status->b_is_ht, - status->rate); - - rx_status->mactime = status->timestamp_low; - if (phystatus) { - p_drvinfo = (struct rx_fwinfo *)(skb->data + - status->rx_bufshift + 24); - - _rtl92ee_translate_rx_signal_stuff(hw, skb, status, pdesc, - p_drvinfo); - } - - /*rx_status->qual = status->signal; */ - rx_status->signal = status->recvsignalpower + 10; - /*rx_status->noise = -status->noise; */ - if (status->packet_report_type == TX_REPORT2) { - status->macid_valid_entry[0] = - GET_RX_RPT2_DESC_MACID_VALID_1(pdesc); - status->macid_valid_entry[1] = - GET_RX_RPT2_DESC_MACID_VALID_2(pdesc); - } - return true; -} - -/*in Windows, this == Rx_92EE_Interrupt*/ -void rtl92ee_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc, - u8 queue_index) -{ - u8 first_seg; - u8 last_seg; - u16 total_len; - u16 read_cnt = 0; - if (header_desc == NULL) - return; - - total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc); - - first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc); - - last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc); - - while (total_len == 0 && first_seg == 0 && last_seg == 0) { - read_cnt++; - total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc); - first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc); - last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc); - - if (read_cnt > 20) - break; - } -} - -u16 rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw , u8 queue_index) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 read_point = 0 , write_point = 0 , remind_cnt = 0; - u32 tmp_4byte = 0; - static u16 last_read_point; - static bool start_rx; - - tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX); - read_point = (u16)((tmp_4byte>>16) & 0x7ff); - write_point = (u16)(tmp_4byte & 0x7ff); - - if (write_point != rtlpci->rx_ring[queue_index].next_rx_rp) { - RT_TRACE(COMP_RXDESC, DBG_DMESG, - ("!!!write point is 0x%x, reg 0x3B4 value is 0x%x\n", - write_point, tmp_4byte)); - tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX); - read_point = (u16)((tmp_4byte>>16) & 0x7ff); - write_point = (u16)(tmp_4byte & 0x7ff); - } - - if (read_point > 0) - start_rx = true; - if (!start_rx) - return 0; - - if ((last_read_point > (RX_DESC_NUM_92E / 2)) && - (read_point <= (RX_DESC_NUM_92E / 2))) { - remind_cnt = RX_DESC_NUM_92E - write_point; - } else { - remind_cnt = (read_point >= write_point) ? - (read_point - write_point) : - (RX_DESC_NUM_92E - write_point + read_point); - } - - if (remind_cnt == 0) - return 0; - - rtlpci->rx_ring[queue_index].next_rx_rp = write_point; - - last_read_point = read_point; - return remind_cnt; -} - -static u16 get_desc_addr_fr_q(u16 queue_index) -{ - u16 desc_address = REG_BEQ_TXBD_IDX; - - switch (queue_index) { - case BK_QUEUE: - desc_address = REG_BKQ_TXBD_IDX; - break; - case BE_QUEUE: - desc_address = REG_BEQ_TXBD_IDX; - break; - case VI_QUEUE: - desc_address = REG_VIQ_TXBD_IDX; - break; - case VO_QUEUE: - desc_address = REG_VOQ_TXBD_IDX; - break; - case BEACON_QUEUE: - desc_address = REG_BEQ_TXBD_IDX; - break; - case TXCMD_QUEUE: - desc_address = REG_BEQ_TXBD_IDX; - break; - case MGNT_QUEUE: - desc_address = REG_MGQ_TXBD_IDX; - break; - case HIGH_QUEUE: - desc_address = REG_HI0Q_TXBD_IDX; - break; - case HCCA_QUEUE: - desc_address = REG_BEQ_TXBD_IDX; - break; - default: - break; - } - return desc_address; -} - -void rtl92ee_get_available_desc(struct ieee80211_hw *hw , u8 q_idx) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 point_diff = 0; - u16 current_tx_read_point = 0, current_tx_write_point = 0; - u32 tmp_4byte; - tmp_4byte = rtl_read_dword(rtlpriv, - get_desc_addr_fr_q(q_idx)); - current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff); - current_tx_write_point = (u16)((tmp_4byte) & 0x0fff); - - point_diff = ((current_tx_read_point > current_tx_write_point) ? - (current_tx_read_point - current_tx_write_point) : - (TX_DESC_NUM_92E - current_tx_write_point + - current_tx_read_point)); - - rtlpci->tx_ring[q_idx].avl_desc = point_diff; -} - -void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw, - u8 *tx_bd_desc, u8 *desc, u8 queue_index, - struct sk_buff *skb, dma_addr_t addr) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - u32 pkt_len = skb->len; - u16 desc_size = 40; /*tx desc size*/ - u32 psblen = 0; - u16 tx_page_size = 0; - u32 total_packet_size = 0; - u16 current_bd_desc; - u8 i = 0; - u16 real_desc_size = 0x28; - u16 append_early_mode_size = 0; -#if (RTL8192EE_SEG_NUM == 0) - u8 segmentnum = 2; -#elif (RTL8192EE_SEG_NUM == 1) - u8 segmentnum = 4; -#elif (RTL8192EE_SEG_NUM == 2) - u8 segmentnum = 8; -#endif - - tx_page_size = 2; - current_bd_desc = rtlpci->tx_ring[queue_index].cur_tx_wp; - - - total_packet_size = desc_size+pkt_len; - - if (rtlpriv->rtlhal.b_earlymode_enable) { - if (queue_index < BEACON_QUEUE) { - append_early_mode_size = 8; - total_packet_size += append_early_mode_size; - } - } - - if (tx_page_size > 0) { - psblen = (pkt_len + real_desc_size + append_early_mode_size) / - (tx_page_size * 128); - - if (psblen * (tx_page_size * 128) < total_packet_size) - psblen += 1; - } - - /* Reset */ - SET_TX_BUFF_DESC_LEN_0(tx_bd_desc , 0); - SET_TX_BUFF_DESC_PSB(tx_bd_desc , 0); - SET_TX_BUFF_DESC_OWN(tx_bd_desc , 0); - - for (i = 1; i < segmentnum; i++) { - SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, i, 0); - SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, i, 0); - SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, i, 0); -#if (DMA_IS_64BIT == 1) - SET_TXBUFFER_DESC_ADD_HIGT_WITH_OFFSET(tx_bd_desc, i, 0); -#endif - } - SET_TX_BUFF_DESC_LEN_1(tx_bd_desc, 0); - SET_TX_BUFF_DESC_AMSDU_1(tx_bd_desc, 0); - - SET_TX_BUFF_DESC_LEN_2(tx_bd_desc, 0); - SET_TX_BUFF_DESC_AMSDU_2(tx_bd_desc, 0); - SET_TX_BUFF_DESC_LEN_3(tx_bd_desc, 0); - SET_TX_BUFF_DESC_AMSDU_3(tx_bd_desc, 0); - /* Clear all status */ - CLEAR_PCI_TX_DESC_CONTENT(desc, TX_DESC_SIZE); - - if (rtlpriv->rtlhal.b_earlymode_enable) { - if (queue_index < BEACON_QUEUE) { - /* These macros need braces */ - SET_TX_BUFF_DESC_LEN_0(tx_bd_desc , desc_size + 8); - } else { - SET_TX_BUFF_DESC_LEN_0(tx_bd_desc , desc_size); - } - } else { - SET_TX_BUFF_DESC_LEN_0(tx_bd_desc , desc_size); - } - SET_TX_BUFF_DESC_PSB(tx_bd_desc , psblen); - SET_TX_BUFF_DESC_ADDR_LOW_0(tx_bd_desc, - rtlpci->tx_ring[queue_index].dma + - (current_bd_desc * TX_DESC_SIZE)); - - SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, 1, pkt_len); - /* don't using extendsion mode. */ - SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, 1, 0); - SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, 1, addr); - - SET_TX_DESC_PKT_SIZE(desc, (u16)(pkt_len)); - SET_TX_DESC_TX_BUFFER_SIZE(desc, (u16)(pkt_len)); -} - -void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw, - struct ieee80211_hdr *hdr, u8 *pdesc_tx, - u8 *pbd_desc_tx, - struct ieee80211_tx_info *info, - struct ieee80211_sta *sta, - struct sk_buff *skb, - u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtlpriv); - u8 *pdesc = (u8 *)pdesc_tx; - u16 seq_number; - __le16 fc = hdr->frame_control; - unsigned int buf_len = 0; - u8 fw_qsel = _rtl92ee_map_hwqueue_to_fwqueue(skb, hw_queue); - bool b_firstseg = ((hdr->seq_ctrl & - cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); - bool b_lastseg = ((hdr->frame_control & - cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); - dma_addr_t mapping; - u8 bw_40 = 0; - u8 short_gi = 0; - - if (mac->opmode == NL80211_IFTYPE_STATION) { - bw_40 = mac->bw_40; - } else if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_ADHOC) { - if (sta) - bw_40 = sta->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; - stg_rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); - /* reserve 8 byte for AMPDU early mode */ - if (rtlhal->b_earlymode_enable) { - skb_push(skb, EM_HDR_LEN); - memset(skb->data, 0, EM_HDR_LEN); - } - buf_len = skb->len; - mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { - RT_TRACE(COMP_SEND, DBG_TRACE, - ("DMA mapping error")); - return; - } - if (pbd_desc_tx != NULL) - rtl92ee_pre_fill_tx_bd_desc(hw, pbd_desc_tx, pdesc, hw_queue, - skb, mapping); - - if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { - b_firstseg = true; - b_lastseg = true; - } - if (b_firstseg) { - if (rtlhal->b_earlymode_enable) { - SET_TX_DESC_PKT_OFFSET(pdesc, 1); - SET_TX_DESC_OFFSET(pdesc, - USB_HWDESC_HEADER_LEN + EM_HDR_LEN); - if (ptcb_desc->empkt_num) { - RT_TRACE(COMP_SEND, DBG_TRACE, - ("Insert 8 byte.pTcb->EMPktNum:%d\n", - ptcb_desc->empkt_num)); - _rtl92ee_insert_emcontent(ptcb_desc, - (u8 *)(skb->data)); - } - } else { - SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); - } - - SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); - - if (ieee80211_is_mgmt(fc)) { - ptcb_desc->use_driver_rate = true; - } else { - if (rtlpriv->ra.is_special_data) { - ptcb_desc->use_driver_rate = true; - SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE11M); - } else { - ptcb_desc->use_driver_rate = false; - } - } - - if (ptcb_desc->hw_rate > DESC92C_RATEMCS0) - short_gi = (ptcb_desc->use_shortgi) ? 1 : 0; - else - short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0; - - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - SET_TX_DESC_AGG_ENABLE(pdesc, 1); - SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); - } - SET_TX_DESC_SEQ(pdesc, seq_number); - SET_TX_DESC_RTS_ENABLE(pdesc, - ((ptcb_desc->b_rts_enable && - !ptcb_desc->b_cts_enable) ? 1 : 0)); - SET_TX_DESC_HW_RTS_ENABLE(pdesc , 0); - SET_TX_DESC_CTS2SELF(pdesc, - ((ptcb_desc->b_cts_enable) ? 1 : 0)); - - SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); - SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); - SET_TX_DESC_RTS_SHORT(pdesc, - ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ? - (ptcb_desc->b_rts_use_shortpreamble ? 1 : 0) : - (ptcb_desc->b_rts_use_shortgi ? 1 : 0))); - - if (ptcb_desc->btx_enable_sw_calc_duration) - SET_TX_DESC_NAV_USE_HDR(pdesc, 1); - - if (bw_40) { - if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { - SET_TX_DESC_DATA_BW(pdesc, 1); - SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); - } else { - SET_TX_DESC_DATA_BW(pdesc, 0); - SET_TX_DESC_TX_SUB_CARRIER(pdesc, - mac->cur_40_prime_sc); - } - } else { - SET_TX_DESC_DATA_BW(pdesc, 0); - SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); - } - - SET_TX_DESC_LINIP(pdesc, 0); - if (sta) { - u8 ampdu_density = sta->ht_cap.ampdu_density; - SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); - } - if (info->control.hw_key) { - struct ieee80211_key_conf *key = info->control.hw_key; - switch (key->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - case WLAN_CIPHER_SUITE_TKIP: - SET_TX_DESC_SEC_TYPE(pdesc, 0x1); - break; - case WLAN_CIPHER_SUITE_CCMP: - SET_TX_DESC_SEC_TYPE(pdesc, 0x3); - break; - default: - SET_TX_DESC_SEC_TYPE(pdesc, 0x0); - break; - } - } - - SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); - SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); - SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); - SET_TX_DESC_DISABLE_FB(pdesc, - ptcb_desc->disable_ratefallback ? 1 : 0); - SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); - - /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/ - /* Set TxRate and RTSRate in TxDesc */ - /* This prevent Tx initial rate of new-coming packets */ - /* from being overwritten by retried packet rate.*/ - if (!ptcb_desc->use_driver_rate) { - /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */ - /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ - } - if (ieee80211_is_data_qos(fc)) { - if (mac->rdg_en) { - RT_TRACE(COMP_SEND, DBG_TRACE, - ("Enable RDG function.\n")); - SET_TX_DESC_RDG_ENABLE(pdesc, 1); - SET_TX_DESC_HTC(pdesc, 1); - } - } - } - - SET_TX_DESC_FIRST_SEG(pdesc, (b_firstseg ? 1 : 0)); - SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0)); - SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); - if (rtlpriv->dm.b_useramask) { - SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); - SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); - } else { - SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); - SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index); - } - - SET_TX_DESC_MORE_FRAG(pdesc, (b_lastseg ? 0 : 1)); - if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || - is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { - SET_TX_DESC_BMC(pdesc, 1); - } - RT_TRACE(COMP_SEND, DBG_TRACE, ("\n")); -} - -void rtl92ee_tx_fill_cmddesc(struct ieee80211_hw *hw, - u8 *pdesc, bool b_firstseg, - bool b_lastseg, struct sk_buff *skb) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - u8 fw_queue = QSLT_BEACON; - - dma_addr_t mapping = pci_map_single(rtlpci->pdev, - skb->data, skb->len, - PCI_DMA_TODEVICE); - - - u8 txdesc_len = 40; - - if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { - RT_TRACE(COMP_SEND, DBG_TRACE, - ("DMA mapping error")); - return; - } - CLEAR_PCI_TX_DESC_CONTENT(pdesc, txdesc_len); - - if (b_firstseg) - SET_TX_DESC_OFFSET(pdesc, txdesc_len); - - SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M); - - SET_TX_DESC_SEQ(pdesc, 0); - - SET_TX_DESC_LINIP(pdesc, 0); - - SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); - - SET_TX_DESC_FIRST_SEG(pdesc, 1); - SET_TX_DESC_LAST_SEG(pdesc, 1); - - SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); - - SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); - - SET_TX_DESC_RATE_ID(pdesc, 7); - SET_TX_DESC_MACID(pdesc, 0); - - SET_TX_DESC_OWN(pdesc, 1); - - SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len)); - - SET_TX_DESC_FIRST_SEG(pdesc, 1); - SET_TX_DESC_LAST_SEG(pdesc, 1); - - SET_TX_DESC_OFFSET(pdesc, 40); - - SET_TX_DESC_USE_RATE(pdesc, 1); - - RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, - "H2C Tx Cmd Content\n", pdesc, txdesc_len); -} - - -void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, - u8 desc_name, u8 *val) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 cur_tx_rp = 0; - u16 cur_tx_wp = 0; - static u16 last_txw_point; - static bool over_run; - u32 tmp = 0; - u8 q_idx = *val; - - if (istx) { - switch (desc_name) { - case HW_DESC_TX_NEXTDESC_ADDR: - SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val); - break; - case HW_DESC_OWN:{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx]; - u16 max_tx_desc = ring->entries; - if (q_idx == BEACON_QUEUE) { - ring->cur_tx_wp = 0; - ring->cur_tx_rp = 0; - SET_TX_BUFF_DESC_OWN(pdesc, 1); - return; - } - ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc); - - if (over_run) { - ring->cur_tx_wp = 0; - over_run = false; - } - if (ring->avl_desc > 1) { - ring->avl_desc--; - - rtl_write_word(rtlpriv, - get_desc_addr_fr_q(q_idx), - ring->cur_tx_wp); - - if (q_idx == 1) - last_txw_point = cur_tx_wp; - } - - if (ring->avl_desc < (max_tx_desc - 15)) { - u16 point_diff = 0; - tmp = rtl_read_dword(rtlpriv, - get_desc_addr_fr_q(q_idx)); - cur_tx_rp = (u16)((tmp >> 16) & 0x0fff); - cur_tx_wp = (u16)(tmp & 0x0fff); - - ring->cur_tx_wp = cur_tx_wp; - ring->cur_tx_rp = cur_tx_rp; - point_diff = ((cur_tx_rp > cur_tx_wp) ? - (cur_tx_rp - cur_tx_wp) : - (TX_DESC_NUM_92E - 1 - - cur_tx_wp + cur_tx_rp)); - - ring->avl_desc = point_diff; - } - } - break; - } - } else { - switch (desc_name) { - case HW_DESC_RX_PREPARE: - SET_RX_BUFFER_DESC_LS(pdesc , 0); - SET_RX_BUFFER_DESC_FS(pdesc , 0); - SET_RX_BUFFER_DESC_TOTAL_LENGTH(pdesc , 0); - - SET_RX_BUFFER_DESC_DATA_LENGTH(pdesc, - MAX_RECEIVE_BUFFER_SIZE + - RX_DESC_SIZE); - - SET_RX_BUFFER_PHYSICAL_LOW(pdesc, *(u32 *)val); - break; - case HW_DESC_RXERO: - SET_RX_DESC_EOR(pdesc, 1); - break; - default: - RT_ASSERT(false, - ("ERR rxdesc :%d not process\n", desc_name)); - break; - } - } -} - -u32 rtl92ee_get_desc(u8 *pdesc, bool istx, u8 desc_name) -{ - u32 ret = 0; - - if (istx) { - switch (desc_name) { - case HW_DESC_OWN: - ret = GET_TX_DESC_OWN(pdesc); - break; - case HW_DESC_TXBUFF_ADDR: - ret = GET_TXBUFFER_DESC_ADDR_LOW(pdesc, 1); - break; - default: - RT_ASSERT(false, - ("ERR txdesc :%d not process\n", desc_name)); - break; - } - } else { - switch (desc_name) { - case HW_DESC_OWN: - ret = GET_RX_DESC_OWN(pdesc); - break; - case HW_DESC_RXPKT_LEN: - ret = GET_RX_DESC_PKT_LEN(pdesc); - break; - case HW_DESC_RXBUFF_ADDR: - ret = GET_RX_DESC_BUFF_ADDR(pdesc); - break; - default: - RT_ASSERT(false, - ("ERR rxdesc :%d not process\n", desc_name)); - break; - } - } - return ret; -} - -bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 read_point, write_point, available_desc_num; - bool ret = false; - static u8 stop_report_cnt; - struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; - - /*checking Read/Write Point each interrupt wastes CPU utilization.*/ - if (stop_report_cnt > 15 || !rtlpriv->link_info.b_busytraffic) { - u16 point_diff = 0; - u16 cur_tx_rp, cur_tx_wp; - u32 tmpu32; - - tmpu32 = rtl_read_dword(rtlpriv, get_desc_addr_fr_q(hw_queue)); - cur_tx_rp = (u16)((tmpu32 >> 16) & 0x0fff); - cur_tx_wp = (u16)(tmpu32 & 0x0fff); - - ring->cur_tx_wp = cur_tx_wp; - ring->cur_tx_rp = cur_tx_rp; - point_diff = ((cur_tx_rp > cur_tx_wp) ? - (cur_tx_rp - cur_tx_wp) : - (TX_DESC_NUM_92E - cur_tx_wp + cur_tx_rp)); - - ring->avl_desc = point_diff; - } - - read_point = ring->cur_tx_rp; - write_point = ring->cur_tx_wp; - available_desc_num = ring->avl_desc; - - if (write_point > read_point) { - if (index < write_point && index >= read_point) - ret = false; - else - ret = true; - } else if (write_point < read_point) { - if (index > write_point && index < read_point) - ret = true; - else - ret = false; - } else { - if (index != read_point) - ret = true; - } - - if (hw_queue == BEACON_QUEUE) - ret = true; - - if (rtlpriv->rtlhal.driver_is_goingto_unload || - rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS) - ret = true; - - if (hw_queue < BEACON_QUEUE) { - if (!ret) - stop_report_cnt++; - else - stop_report_cnt = 0; - } - - return ret; -} - -u32 rtl92ee_rx_command_packet(struct ieee80211_hw *hw, - const struct rtl_stats *status, - struct sk_buff *skb) -{ - u32 result = 0; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - switch (status->packet_report_type) { - case NORMAL_RX: - result = 0; - break; - case C2H_PACKET: - rtl92ee_c2h_packet_handler(hw, skb->data, (u8) skb->len); - result = 1; - break; - default: - RT_TRACE(COMP_RECV, DBG_TRACE, ("No this packet type!!\n")); - break; - } - - return result; -} |