/* SPDX-License-Identifier: GPL-2.0 */
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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*
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* Modifications for inclusion into the Linux staging tree are
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* Copyright(c) 2010 Larry Finger. All rights reserved.
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*
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* Contact information:
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* WLAN FAE <wlanfae@realtek.com>
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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******************************************************************************/
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#ifndef _RTL871X_XMIT_H_
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#define _RTL871X_XMIT_H_
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#include "osdep_service.h"
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#include "drv_types.h"
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#include "xmit_osdep.h"
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#ifdef CONFIG_R8712_TX_AGGR
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#define MAX_XMITBUF_SZ (16384)
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#else
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#define MAX_XMITBUF_SZ (2048)
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#endif
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#define NR_XMITBUFF (4)
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#ifdef CONFIG_R8712_TX_AGGR
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#define AGGR_NR_HIGH_BOUND (4) /*(8) */
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#define AGGR_NR_LOW_BOUND (2)
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#endif
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#define XMITBUF_ALIGN_SZ 512
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#define TX_GUARD_BAND 5
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#define MAX_NUMBLKS (1)
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/* Fixed the Big Endian bug when using the software driver encryption.*/
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#define WEP_IV(pattrib_iv, txpn, keyidx)\
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do { \
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pattrib_iv[0] = txpn._byte_.TSC0;\
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pattrib_iv[1] = txpn._byte_.TSC1;\
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pattrib_iv[2] = txpn._byte_.TSC2;\
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pattrib_iv[3] = ((keyidx & 0x3) << 6);\
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txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\
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} while (0)
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/* Fixed the Big Endian bug when doing the Tx.
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* The Linksys WRH54G will check this.
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*/
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#define TKIP_IV(pattrib_iv, txpn, keyidx)\
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do { \
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pattrib_iv[0] = txpn._byte_.TSC1;\
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pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\
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pattrib_iv[2] = txpn._byte_.TSC0;\
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pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
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pattrib_iv[4] = txpn._byte_.TSC2;\
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pattrib_iv[5] = txpn._byte_.TSC3;\
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pattrib_iv[6] = txpn._byte_.TSC4;\
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pattrib_iv[7] = txpn._byte_.TSC5;\
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txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
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(txpn.val+1);\
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} while (0)
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#define AES_IV(pattrib_iv, txpn, keyidx)\
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do { \
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pattrib_iv[0] = txpn._byte_.TSC0;\
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pattrib_iv[1] = txpn._byte_.TSC1;\
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pattrib_iv[2] = 0;\
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pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
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pattrib_iv[4] = txpn._byte_.TSC2;\
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pattrib_iv[5] = txpn._byte_.TSC3;\
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pattrib_iv[6] = txpn._byte_.TSC4;\
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pattrib_iv[7] = txpn._byte_.TSC5;\
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txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
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(txpn.val+1);\
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} while (0)
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struct hw_xmit {
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spinlock_t xmit_lock;
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struct list_head pending;
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struct __queue *sta_queue;
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struct hw_txqueue *phwtxqueue;
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sint txcmdcnt;
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int accnt;
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};
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struct pkt_attrib {
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u8 type;
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u8 subtype;
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u8 bswenc;
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u8 dhcp_pkt;
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u16 seqnum;
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u16 ether_type;
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u16 pktlen; /* the original 802.3 pkt raw_data len
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* (not include ether_hdr data)
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*/
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u16 last_txcmdsz;
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u8 pkt_hdrlen; /*the original 802.3 pkt header len*/
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u8 hdrlen; /*the WLAN Header Len*/
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u8 nr_frags;
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u8 ack_policy;
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u8 mac_id;
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u8 vcs_mode; /*virtual carrier sense method*/
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u8 pctrl;/*per packet txdesc control enable*/
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u8 qsel;
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u8 priority;
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u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
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* indicate the encrypt algorithm
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*/
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u8 iv_len;
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u8 icv_len;
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unsigned char iv[8];
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unsigned char icv[8];
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u8 dst[ETH_ALEN] __aligned(2); /* for ether_addr_copy */
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u8 src[ETH_ALEN];
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u8 ta[ETH_ALEN];
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u8 ra[ETH_ALEN];
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struct sta_info *psta;
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};
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#define WLANHDR_OFFSET 64
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#define DATA_FRAMETAG 0x01
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#define L2_FRAMETAG 0x02
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#define MGNT_FRAMETAG 0x03
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#define AMSDU_FRAMETAG 0x04
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#define EII_FRAMETAG 0x05
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#define IEEE8023_FRAMETAG 0x06
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#define MP_FRAMETAG 0x07
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#define TXAGG_FRAMETAG 0x08
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struct xmit_buf {
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struct list_head list;
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u8 *pallocated_buf;
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u8 *pbuf;
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void *priv_data;
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struct urb *pxmit_urb[8];
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u32 aggr_nr;
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};
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struct xmit_frame {
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struct list_head list;
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struct pkt_attrib attrib;
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_pkt *pkt;
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int frame_tag;
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struct _adapter *padapter;
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u8 *buf_addr;
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struct xmit_buf *pxmitbuf;
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u8 *mem_addr;
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u16 sz[8];
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struct urb *pxmit_urb[8];
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u8 bpending[8];
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u8 last[8];
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};
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struct tx_servq {
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struct list_head tx_pending;
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struct __queue sta_pending;
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int qcnt;
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};
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struct sta_xmit_priv {
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spinlock_t lock;
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sint option;
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sint apsd_setting; /* When bit mask is on, the associated edca
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* queue supports APSD.
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*/
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struct tx_servq be_q; /* priority == 0,3 */
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struct tx_servq bk_q; /* priority == 1,2*/
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struct tx_servq vi_q; /*priority == 4,5*/
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struct tx_servq vo_q; /*priority == 6,7*/
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struct list_head legacy_dz;
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struct list_head apsd;
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u16 txseq_tid[16];
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uint sta_tx_bytes;
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u64 sta_tx_pkts;
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uint sta_tx_fail;
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};
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struct hw_txqueue {
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/*volatile*/ sint head;
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/*volatile*/ sint tail;
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/*volatile*/ sint free_sz; /*in units of 64 bytes*/
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/*volatile*/ sint free_cmdsz;
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/*volatile*/ sint txsz[8];
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uint ff_hwaddr;
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uint cmd_hwaddr;
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sint ac_tag;
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};
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struct xmit_priv {
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spinlock_t lock;
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struct __queue be_pending;
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struct __queue bk_pending;
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struct __queue vi_pending;
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struct __queue vo_pending;
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struct __queue bm_pending;
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struct __queue legacy_dz_queue;
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struct __queue apsd_queue;
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u8 *pallocated_frame_buf;
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u8 *pxmit_frame_buf;
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uint free_xmitframe_cnt;
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uint mapping_addr;
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uint pkt_sz;
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struct __queue free_xmit_queue;
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struct hw_txqueue be_txqueue;
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struct hw_txqueue bk_txqueue;
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struct hw_txqueue vi_txqueue;
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struct hw_txqueue vo_txqueue;
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struct hw_txqueue bmc_txqueue;
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uint frag_len;
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struct _adapter *adapter;
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u8 vcs_setting;
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u8 vcs;
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u8 vcs_type;
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u16 rts_thresh;
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uint tx_bytes;
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u64 tx_pkts;
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uint tx_drop;
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struct hw_xmit *hwxmits;
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u8 hwxmit_entry;
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u8 txirp_cnt;
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struct tasklet_struct xmit_tasklet;
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struct work_struct xmit_pipe4_reset_wi;
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struct work_struct xmit_pipe6_reset_wi;
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struct work_struct xmit_piped_reset_wi;
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/*per AC pending irp*/
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int beq_cnt;
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int bkq_cnt;
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int viq_cnt;
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int voq_cnt;
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struct __queue free_amsdu_xmit_queue;
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u8 *pallocated_amsdu_frame_buf;
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u8 *pxmit_amsdu_frame_buf;
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uint free_amsdu_xmitframe_cnt;
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struct __queue free_txagg_xmit_queue;
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u8 *pallocated_txagg_frame_buf;
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u8 *pxmit_txagg_frame_buf;
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uint free_txagg_xmitframe_cnt;
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int cmdseq;
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struct __queue free_xmitbuf_queue;
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struct __queue pending_xmitbuf_queue;
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u8 *pallocated_xmitbuf;
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u8 *pxmitbuf;
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uint free_xmitbuf_cnt;
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};
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void r8712_free_xmitbuf(struct xmit_priv *pxmitpriv,
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struct xmit_buf *pxmitbuf);
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struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
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void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len);
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struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv);
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void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
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struct xmit_frame *pxmitframe);
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void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
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struct __queue *pframequeue);
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int r8712_xmit_classifier(struct _adapter *padapter,
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struct xmit_frame *pxmitframe);
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sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
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struct xmit_frame *pxmitframe);
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sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
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void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
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int r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
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struct pkt_attrib *pattrib);
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int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
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struct pkt_attrib *pattrib);
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int _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv,
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struct _adapter *padapter);
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void _free_xmit_priv(struct xmit_priv *pxmitpriv);
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void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
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struct xmit_frame *pxmitframe);
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int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
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int r8712_xmit_enqueue(struct _adapter *padapter,
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struct xmit_frame *pxmitframe);
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void r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
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void r8712_xmit_bh(struct tasklet_struct *t);
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void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe,
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struct xmit_buf *pxmitbuf);
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#include "rtl8712_xmit.h"
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#endif /*_RTL871X_XMIT_H_*/
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