mirror of
https://github.com/lwfinger/rtl8188eu.git
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379 lines
10 KiB
C
379 lines
10 KiB
C
/******************************************************************************
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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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 <osdep_service.h>
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#include <drv_types.h>
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#define MAX_XMITBUF_SZ (20480) /* 20k */
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#define NR_XMITBUFF (4)
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#define XMITBUF_ALIGN_SZ 4
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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_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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#define TXDESC_SIZE 32
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#define PACKET_OFFSET_SZ (8)
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#define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)
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struct tx_desc {
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/* DWORD 0 */
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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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};
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struct hw_xmit {
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struct __queue *sta_queue;
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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
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* 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,
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* 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 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 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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struct sta_info *psta;
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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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struct submit_ctx {
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u32 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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};
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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);
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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 ext_tag; /* 0: Normal xmitbuf, 1: extension 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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u32 ff_hwaddr;
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struct urb *pxmit_urb[8];
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dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
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u8 bpending[8];
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int last[8];
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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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struct sk_buff *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 agg_num;
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s8 pkt_offset;
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u8 ack_report;
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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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int option;
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int apsd_setting; /* When bit mask is on, the associated edca
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* queue supports APSD. */
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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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};
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struct hw_txqueue {
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volatile int head;
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volatile int tail;
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volatile int free_sz; /* in units of 64 bytes */
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volatile int free_cmdsz;
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volatile int txsz[8];
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uint ff_hwaddr;
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uint cmd_hwaddr;
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int 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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struct xmit_priv {
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spinlock_t lock;
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struct semaphore xmit_sema;
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struct semaphore terminate_xmitthread_sema;
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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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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 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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u64 tx_bytes;
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u64 tx_pkts;
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u64 tx_drop;
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u64 last_tx_bytes;
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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
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* from large to small. it's value is 0->vo,
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* 1->vi, 2->be, 3->bk. */
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struct semaphore tx_retevt;/* all tx return event; */
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u8 txirp_cnt;/* */
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struct tasklet_struct xmit_tasklet;
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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_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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u16 nqos_ssn;
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int ack_tx;
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struct mutex ack_tx_mutex;
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struct submit_ctx ack_tx_ops;
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};
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struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
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s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv,
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struct xmit_buf *pxmitbuf);
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struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
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s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv,
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struct xmit_buf *pxmitbuf);
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void rtw_count_tx_stats(struct adapter *padapter,
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struct xmit_frame *pxmitframe, int sz);
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void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
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s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr,
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struct pkt_attrib *pattrib);
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s32 rtw_put_snap(u8 *data, u16 h_proto);
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struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
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s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv,
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struct xmit_frame *pxmitframe);
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void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
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struct __queue *pframequeue);
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struct tx_servq *rtw_get_sta_pending(struct adapter *padapter,
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struct sta_info *psta, int up, u8 *ac);
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s32 rtw_xmitframe_enqueue(struct adapter *padapter,
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struct xmit_frame *pxmitframe);
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struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv,
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struct hw_xmit *phwxmit_i, int entry);
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s32 rtw_xmit_classifier(struct adapter *padapter,
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struct xmit_frame *pxmitframe);
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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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s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt,
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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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s32 rtw_txframes_sta_ac_pending(struct adapter *padapter,
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struct pkt_attrib *pattrib);
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void rtw_init_hwxmits(struct hw_xmit *phwxmit, int 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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void 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, struct sk_buff **pkt);
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#if defined(CONFIG_88EU_AP_MODE)
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int 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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#endif
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u8 qos_acm(u8 acm_mask, u8 priority);
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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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