/* SPDX-License-Identifier: GPL-2.0 */
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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******************************************************************************/
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#ifndef _RTW_XMIT_H_
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#define _RTW_XMIT_H_
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#include <linux/completion.h>
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#define MAX_XMITBUF_SZ (20480) /* 20k */
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#define NR_XMITBUFF (16)
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#define XMITBUF_ALIGN_SZ 512
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/* xmit extension buff defination */
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#define MAX_XMIT_EXTBUF_SZ (1536)
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#define NR_XMIT_EXTBUFF (32)
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#define MAX_CMDBUF_SZ (5120) /* 4096) */
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#define MAX_NUMBLKS (1)
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#define XMIT_VO_QUEUE (0)
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#define XMIT_VI_QUEUE (1)
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#define XMIT_BE_QUEUE (2)
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#define XMIT_BK_QUEUE (3)
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#define VO_QUEUE_INX 0
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#define VI_QUEUE_INX 1
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#define BE_QUEUE_INX 2
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#define BK_QUEUE_INX 3
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#define BCN_QUEUE_INX 4
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#define MGT_QUEUE_INX 5
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#define HIGH_QUEUE_INX 6
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#define TXCMD_QUEUE_INX 7
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#define HW_QUEUE_ENTRY 8
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#define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
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do {\
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pattrib_iv[0] = dot11txpn._byte_.TSC0;\
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pattrib_iv[1] = dot11txpn._byte_.TSC1;\
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pattrib_iv[2] = dot11txpn._byte_.TSC2;\
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pattrib_iv[3] = ((keyidx & 0x3)<<6);\
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dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : (dot11txpn.val + 1);\
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} while (0)
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#define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
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do {\
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pattrib_iv[0] = dot11txpn._byte_.TSC1;\
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pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
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pattrib_iv[2] = dot11txpn._byte_.TSC0;\
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pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
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pattrib_iv[4] = dot11txpn._byte_.TSC2;\
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pattrib_iv[5] = dot11txpn._byte_.TSC3;\
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pattrib_iv[6] = dot11txpn._byte_.TSC4;\
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pattrib_iv[7] = dot11txpn._byte_.TSC5;\
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dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val + 1);\
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} while (0)
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#define AES_IV(pattrib_iv, dot11txpn, keyidx)\
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do {\
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pattrib_iv[0] = dot11txpn._byte_.TSC0;\
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pattrib_iv[1] = dot11txpn._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] = dot11txpn._byte_.TSC2;\
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pattrib_iv[5] = dot11txpn._byte_.TSC3;\
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pattrib_iv[6] = dot11txpn._byte_.TSC4;\
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pattrib_iv[7] = dot11txpn._byte_.TSC5;\
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dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val + 1);\
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} while (0)
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#define HWXMIT_ENTRY 4
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/* For Buffer Descriptor ring architecture */
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#define TXDESC_SIZE 40
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#define TXDESC_OFFSET TXDESC_SIZE
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enum TXDESC_SC {
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SC_DONT_CARE = 0x00,
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SC_UPPER = 0x01,
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SC_LOWER = 0x02,
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SC_DUPLICATE = 0x03
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};
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#define TXDESC_40_BYTES
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struct tx_desc {
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__le32 txdw0;
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__le32 txdw1;
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__le32 txdw2;
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__le32 txdw3;
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__le32 txdw4;
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__le32 txdw5;
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__le32 txdw6;
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__le32 txdw7;
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#if defined(TXDESC_40_BYTES) || defined(TXDESC_64_BYTES)
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__le32 txdw8;
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__le32 txdw9;
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#endif /* TXDESC_40_BYTES */
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#ifdef TXDESC_64_BYTES
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__le32 txdw10;
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__le32 txdw11;
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/* 2008/05/15 MH Because PCIE HW memory R/W 4K limit. And now, our descriptor */
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/* size is 40 bytes. If you use more than 102 descriptor(103*40>4096), HW will execute */
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/* memoryR/W CRC error. And then all DMA fetch will fail. We must decrease descriptor */
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/* number or enlarge descriptor size as 64 bytes. */
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__le32 txdw12;
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__le32 txdw13;
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__le32 txdw14;
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__le32 txdw15;
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#endif
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};
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union txdesc {
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struct tx_desc txdesc;
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unsigned int value[TXDESC_SIZE>>2];
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};
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struct hw_xmit {
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/* _lock 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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/* reduce size */
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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 ether_type;
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u16 seqnum;
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u16 pkt_hdrlen; /* the original 802.3 pkt header len */
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u16 hdrlen; /* the WLAN Header Len */
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u32 pktlen; /* the original 802.3 pkt raw_data len (not include ether_hdr data) */
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u32 last_txcmdsz;
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u8 nr_frags;
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u8 encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
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u8 iv_len;
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u8 icv_len;
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u8 iv[18];
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u8 icv[16];
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u8 priority;
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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 dst[ETH_ALEN];
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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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u8 key_idx;
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u8 qos_en;
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u8 ht_en;
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u8 raid;/* rate adpative id */
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u8 bwmode;
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u8 ch_offset;/* PRIME_CHNL_OFFSET */
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u8 sgi;/* short GI */
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u8 ampdu_en;/* tx ampdu enable */
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u8 ampdu_spacing; /* ampdu_min_spacing for peer sta's rx */
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u8 mdata;/* more data bit */
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u8 pctrl;/* per packet txdesc control enable */
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u8 triggered;/* for ap mode handling Power Saving sta */
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u8 qsel;
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u8 order;/* order bit */
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u8 eosp;
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u8 rate;
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u8 intel_proxim;
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u8 retry_ctrl;
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u8 mbssid;
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u8 ldpc;
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u8 stbc;
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struct sta_info * psta;
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u8 rtsen;
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u8 cts2self;
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union Keytype dot11tkiptxmickey;
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/* union Keytype dot11tkiprxmickey; */
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union Keytype dot118021x_UncstKey;
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u8 icmp_pkt;
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};
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#define WLANHDR_OFFSET 64
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#define NULL_FRAMETAG (0x0)
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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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enum {
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XMITBUF_DATA = 0,
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XMITBUF_MGNT = 1,
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XMITBUF_CMD = 2,
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};
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struct submit_ctx {
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unsigned long submit_time; /* */
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u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */
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int status; /* status for operation */
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struct completion done;
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};
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enum {
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RTW_SCTX_SUBMITTED = -1,
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RTW_SCTX_DONE_SUCCESS = 0,
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RTW_SCTX_DONE_UNKNOWN,
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RTW_SCTX_DONE_TIMEOUT,
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RTW_SCTX_DONE_BUF_ALLOC,
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RTW_SCTX_DONE_BUF_FREE,
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RTW_SCTX_DONE_WRITE_PORT_ERR,
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RTW_SCTX_DONE_TX_DESC_NA,
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RTW_SCTX_DONE_TX_DENY,
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RTW_SCTX_DONE_CCX_PKT_FAIL,
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RTW_SCTX_DONE_DRV_STOP,
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RTW_SCTX_DONE_DEV_REMOVE,
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RTW_SCTX_DONE_CMD_ERROR,
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};
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void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
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int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg);
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void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
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void rtw_sctx_done(struct submit_ctx **sctx);
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struct xmit_buf {
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struct list_head list;
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struct adapter *padapter;
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u8 *pallocated_buf;
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u8 *pbuf;
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void *priv_data;
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u16 buf_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf, 2:cmd xmitbuf */
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u16 flags;
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u32 alloc_sz;
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u32 len;
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struct submit_ctx *sctx;
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u8 *phead;
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u8 *pdata;
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u8 *ptail;
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u8 *pend;
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u32 ff_hwaddr;
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u8 pg_num;
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u8 agg_num;
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#if defined(DBG_XMIT_BUF) || defined(DBG_XMIT_BUF_EXT)
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u8 no;
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#endif
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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 pg_num;
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u8 agg_num;
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u8 ack_report;
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u8 *alloc_addr; /* the actual address this xmitframe allocated */
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u8 ext_tag; /* 0:data, 1:mgmt */
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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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_lock lock;
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sint option;
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sint apsd_setting; /* When bit mask is on, the associated edca queue supports APSD. */
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/* struct tx_servq blk_q[MAX_NUMBLKS]; */
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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 agg_pkt_info {
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u16 offset;
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u16 pkt_len;
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};
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enum cmdbuf_type {
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CMDBUF_BEACON = 0x00,
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CMDBUF_RSVD,
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CMDBUF_MAX
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};
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struct xmit_priv {
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_lock lock;
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struct completion xmit_comp;
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struct completion terminate_xmitthread_comp;
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/* struct __queue blk_strms[MAX_NUMBLKS]; */
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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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struct __queue free_xmit_queue;
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/* uint mapping_addr; */
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/* uint pkt_sz; */
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u8 *xframe_ext_alloc_addr;
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u8 *xframe_ext;
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uint free_xframe_ext_cnt;
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struct __queue free_xframe_ext_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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u64 tx_bytes;
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u64 tx_pkts;
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u64 tx_drop;
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u64 last_tx_pkts;
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struct hw_xmit *hwxmits;
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u8 hwxmit_entry;
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u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength from large to small. it's value is 0->vo, 1->vi, 2->be, 3->bk. */
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#ifdef CONFIG_SDIO_TX_TASKLET
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struct tasklet_struct xmit_tasklet;
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#else
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void *SdioXmitThread;
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struct completion SdioXmitStart;
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struct completion SdioXmitTerminate;
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#endif /* CONFIG_SDIO_TX_TASKLET */
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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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struct __queue free_xmit_extbuf_queue;
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u8 *pallocated_xmit_extbuf;
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u8 *pxmit_extbuf;
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uint free_xmit_extbuf_cnt;
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struct xmit_buf pcmd_xmitbuf[CMDBUF_MAX];
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u16 nqos_ssn;
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int ack_tx;
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_mutex ack_tx_mutex;
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struct submit_ctx ack_tx_ops;
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u8 seq_no;
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_lock lock_sctx;
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};
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extern struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
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enum cmdbuf_type buf_type);
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#define rtw_alloc_cmdxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_RSVD)
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#define rtw_alloc_bcnxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_BEACON)
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extern struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
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extern s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
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extern struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
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extern s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
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void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz);
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extern void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
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extern s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib);
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extern s32 rtw_put_snap(u8 *data, u16 h_proto);
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extern struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
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struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv);
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struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv);
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extern s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe);
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extern void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue);
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struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac);
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extern s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe);
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extern s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe);
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extern u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
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#define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
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extern s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
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extern s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
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s32 _rtw_init_hw_txqueue(struct hw_txqueue* phw_txqueue, u8 ac_tag);
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void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
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s32 rtw_txframes_pending(struct adapter *padapter);
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void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry);
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s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
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void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
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s32 rtw_alloc_hwxmits(struct adapter *padapter);
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void rtw_free_hwxmits(struct adapter *padapter);
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s32 rtw_xmit(struct adapter *padapter, _pkt **pkt);
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bool xmitframe_hiq_filter(struct xmit_frame *xmitframe);
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sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
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void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
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void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
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void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
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u8 query_ra_short_GI(struct sta_info *psta);
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u8 qos_acm(u8 acm_mask, u8 priority);
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void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
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void enqueue_pending_xmitbuf_to_head(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
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struct xmit_buf*dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv);
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struct xmit_buf*dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv);
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sint check_pending_xmitbuf(struct xmit_priv *pxmitpriv);
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int rtw_xmit_thread(void *context);
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u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
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int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
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void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
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/* include after declaring struct xmit_buf, in order to avoid warning */
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#include <xmit_osdep.h>
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#endif /* _RTL871X_XMIT_H_ */
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