// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. * All rights reserved. * * Purpose: handle WMAC/802.3/802.11 rx & tx functions * * Author: Lyndon Chen * * Date: May 20, 2003 * * Functions: * s_vGenerateTxParameter - Generate tx dma required parameter. * vGenerateMACHeader - Translate 802.3 to 802.11 header * cbGetFragCount - Calculate fragment number count * csBeacon_xmit - beacon tx function * csMgmt_xmit - management tx function * s_cbFillTxBufHead - fulfill tx dma buffer header * s_uGetDataDuration - get tx data required duration * s_uFillDataHead- fulfill tx data duration header * s_uGetRTSCTSDuration- get rtx/cts required duration * get_rtscts_time- get rts/cts reserved time * s_uGetTxRsvTime- get frame reserved time * s_vFillCTSHead- fulfill CTS ctl header * s_vFillFragParameter- Set fragment ctl parameter. * s_vFillRTSHead- fulfill RTS ctl header * s_vFillTxKey- fulfill tx encrypt key * s_vSWencryption- Software encrypt header * vDMA0_tx_80211- tx 802.11 frame via dma0 * vGenerateFIFOHeader- Generate tx FIFO ctl header * * Revision History: * */ #include "device.h" #include "rxtx.h" #include "card.h" #include "mac.h" #include "baseband.h" #include "rf.h" /*--------------------- Static Definitions -------------------------*/ /*--------------------- Static Classes ----------------------------*/ /*--------------------- Static Variables --------------------------*/ /*--------------------- Static Functions --------------------------*/ /*--------------------- Static Definitions -------------------------*/ /* if packet size < 256 -> in-direct send * vpacket size >= 256 -> direct send */ #define CRITICAL_PACKET_LEN … static const unsigned short time_stamp_off[2][MAX_RATE] = …; static const unsigned short fb_opt0[2][5] = …; static const unsigned short fb_opt1[2][5] = …; #define RTSDUR_BB … #define RTSDUR_BA … #define RTSDUR_AA … #define CTSDUR_BA … #define RTSDUR_BA_F0 … #define RTSDUR_AA_F0 … #define RTSDUR_BA_F1 … #define RTSDUR_AA_F1 … #define CTSDUR_BA_F0 … #define CTSDUR_BA_F1 … #define DATADUR_B … #define DATADUR_A … #define DATADUR_A_F0 … #define DATADUR_A_F1 … /*--------------------- Static Functions --------------------------*/ static void s_vFillRTSHead( struct vnt_private *pDevice, unsigned char byPktType, void *pvRTS, unsigned int cbFrameLength, bool bNeedAck, bool bDisCRC, struct ieee80211_hdr *hdr, unsigned short wCurrentRate, unsigned char byFBOption ); static void s_vGenerateTxParameter( struct vnt_private *pDevice, unsigned char byPktType, struct vnt_tx_fifo_head *, void *pvRrvTime, void *pvRTS, void *pvCTS, unsigned int cbFrameSize, bool bNeedACK, unsigned int uDMAIdx, void *psEthHeader, unsigned short wCurrentRate ); static unsigned int s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType, unsigned char *pbyTxBufferAddr, unsigned int uDMAIdx, struct vnt_tx_desc *pHeadTD, unsigned int uNodeIndex); static __le16 s_uFillDataHead( struct vnt_private *pDevice, unsigned char byPktType, void *pTxDataHead, unsigned int cbFrameLength, unsigned int uDMAIdx, bool bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, unsigned char byFBOption, unsigned short wCurrentRate, bool is_pspoll ); /*--------------------- Export Variables --------------------------*/ static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate) { … } /* byPktType : PK_TYPE_11A 0 * PK_TYPE_11B 1 * PK_TYPE_11GB 2 * PK_TYPE_11GA 3 */ static unsigned int s_uGetTxRsvTime( struct vnt_private *pDevice, unsigned char byPktType, unsigned int cbFrameLength, unsigned short wRate, bool bNeedAck ) { … } static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type, u32 frame_length, u16 rate, bool need_ack) { … } /* byFreqType: 0=>5GHZ 1=>2.4GHZ */ static __le16 get_rtscts_time(struct vnt_private *priv, unsigned char rts_rsvtype, unsigned char pkt_type, unsigned int frame_length, unsigned short current_rate) { … } /* byFreqType 0: 5GHz, 1:2.4Ghz */ static unsigned int s_uGetDataDuration( struct vnt_private *pDevice, unsigned char byDurType, unsigned int cbFrameLength, unsigned char byPktType, unsigned short wRate, bool bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, unsigned char byFBOption ) { … } /* byFreqType: 0=>5GHZ 1=>2.4GHZ */ static __le16 s_uGetRTSCTSDuration( struct vnt_private *pDevice, unsigned char byDurType, unsigned int cbFrameLength, unsigned char byPktType, unsigned short wRate, bool bNeedAck, unsigned char byFBOption ) { … } static __le16 s_uFillDataHead( struct vnt_private *pDevice, unsigned char byPktType, void *pTxDataHead, unsigned int cbFrameLength, unsigned int uDMAIdx, bool bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, unsigned char byFBOption, unsigned short wCurrentRate, bool is_pspoll ) { … } static void s_vFillRTSHead( struct vnt_private *pDevice, unsigned char byPktType, void *pvRTS, unsigned int cbFrameLength, bool bNeedAck, bool bDisCRC, struct ieee80211_hdr *hdr, unsigned short wCurrentRate, unsigned char byFBOption ) { … } static void s_vFillCTSHead( struct vnt_private *pDevice, unsigned int uDMAIdx, unsigned char byPktType, void *pvCTS, unsigned int cbFrameLength, bool bNeedAck, bool bDisCRC, unsigned short wCurrentRate, unsigned char byFBOption ) { … } /* * * Description: * Generate FIFO control for MAC & Baseband controller * * Parameters: * In: * pDevice - Pointer to adapter * pTxDataHead - Transmit Data Buffer * pTxBufHead - pTxBufHead * pvRrvTime - pvRrvTime * pvRTS - RTS Buffer * pCTS - CTS Buffer * cbFrameSize - Transmit Data Length (Hdr+Payload+FCS) * bNeedACK - If need ACK * uDescIdx - Desc Index * Out: * none * * Return Value: none * - * unsigned int cbFrameSize, Hdr+Payload+FCS */ static void s_vGenerateTxParameter( struct vnt_private *pDevice, unsigned char byPktType, struct vnt_tx_fifo_head *tx_buffer_head, void *pvRrvTime, void *pvRTS, void *pvCTS, unsigned int cbFrameSize, bool bNeedACK, unsigned int uDMAIdx, void *psEthHeader, unsigned short wCurrentRate ) { … } static unsigned int s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType, unsigned char *pbyTxBufferAddr, unsigned int uDMAIdx, struct vnt_tx_desc *pHeadTD, unsigned int is_pspoll) { … } static void vnt_fill_txkey(struct ieee80211_hdr *hdr, u8 *key_buffer, struct ieee80211_key_conf *tx_key, struct sk_buff *skb, u16 payload_len, struct vnt_mic_hdr *mic_hdr) { … } int vnt_generate_fifo_header(struct vnt_private *priv, u32 dma_idx, struct vnt_tx_desc *head_td, struct sk_buff *skb) { … } static int vnt_beacon_xmit(struct vnt_private *priv, struct sk_buff *skb) { … } int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif) { … } int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf) { … }
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