static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate)
 {
-       return cpu_to_le16(vnt_time_stampoff[priv->byPreambleType % 2]
+       return cpu_to_le16(vnt_time_stampoff[priv->preamble_type % 2]
                                                        [rate % MAX_RATE]);
 }
 
 {
        u32 data_time, ack_time;
 
-       data_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+       data_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                                                        frame_length, rate);
 
        if (pkt_type == PK_TYPE_11B)
-               ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               ack_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                                        14, (u16)priv->top_cck_basic_rate);
        else
-               ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               ack_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                                        14, (u16)priv->top_ofdm_basic_rate);
 
        if (need_ack)
 
        rrv_time = rts_time = cts_time = ack_time = data_time = 0;
 
-       data_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+       data_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                                                frame_length, current_rate);
 
        if (rsv_type == 0) {
-               rts_time = vnt_get_frame_time(priv->byPreambleType,
+               rts_time = vnt_get_frame_time(priv->preamble_type,
                        pkt_type, 20, priv->top_cck_basic_rate);
-               cts_time = ack_time = vnt_get_frame_time(priv->byPreambleType,
+               cts_time = ack_time = vnt_get_frame_time(priv->preamble_type,
                        pkt_type, 14, priv->top_cck_basic_rate);
        } else if (rsv_type == 1) {
-               rts_time = vnt_get_frame_time(priv->byPreambleType,
+               rts_time = vnt_get_frame_time(priv->preamble_type,
                        pkt_type, 20, priv->top_cck_basic_rate);
-               cts_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               cts_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                        14, priv->top_cck_basic_rate);
-               ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               ack_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                        14, priv->top_ofdm_basic_rate);
        } else if (rsv_type == 2) {
-               rts_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               rts_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                        20, priv->top_ofdm_basic_rate);
-               cts_time = ack_time = vnt_get_frame_time(priv->byPreambleType,
+               cts_time = ack_time = vnt_get_frame_time(priv->preamble_type,
                        pkt_type, 14, priv->top_ofdm_basic_rate);
        } else if (rsv_type == 3) {
-               cts_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               cts_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                        14, priv->top_cck_basic_rate);
-               ack_time = vnt_get_frame_time(priv->byPreambleType, pkt_type,
+               ack_time = vnt_get_frame_time(priv->preamble_type, pkt_type,
                        14, priv->top_ofdm_basic_rate);
 
                rrv_time = cts_time + ack_time + data_time + 2 * priv->sifs;
 
        if (need_ack) {
                if (pkt_type == PK_TYPE_11B)
-                       ack_time = vnt_get_frame_time(piv->byPreambleType,
+                       ack_time = vnt_get_frame_time(piv->preamble_type,
                                pkt_type, 14, piv->top_cck_basic_rate);
                else
-                       ack_time = vnt_get_frame_time(piv->byPreambleType,
+                       ack_time = vnt_get_frame_time(piv->preamble_type,
                                pkt_type, 14, piv->top_ofdm_basic_rate);
 
                return cpu_to_le16((u16)(piv->sifs + ack_time));
        case RTSDUR_BA:
        case RTSDUR_BA_F0:
        case RTSDUR_BA_F1:
-               cts_time = vnt_get_frame_time(priv->byPreambleType,
+               cts_time = vnt_get_frame_time(priv->preamble_type,
                                pkt_type, 14, priv->top_cck_basic_rate);
                dur_time = cts_time + 2 * priv->sifs +
                        vnt_get_rsvtime(priv, pkt_type,
        case RTSDUR_AA:
        case RTSDUR_AA_F0:
        case RTSDUR_AA_F1:
-               cts_time = vnt_get_frame_time(priv->byPreambleType,
+               cts_time = vnt_get_frame_time(priv->preamble_type,
                                pkt_type, 14, priv->top_ofdm_basic_rate);
                dur_time = cts_time + 2 * priv->sifs +
                        vnt_get_rsvtime(priv, pkt_type,
                tx_buffer_head->wFIFOCtl |= FIFOCTL_LRETRY;
 
        if (tx_rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-               priv->byPreambleType = PREAMBLE_SHORT;
+               priv->preamble_type = PREAMBLE_SHORT;
        else
-               priv->byPreambleType = PREAMBLE_LONG;
+               priv->preamble_type = PREAMBLE_LONG;
 
        if (tx_rate->flags & IEEE80211_TX_RC_USE_RTS_CTS) {
                need_rts = true;