Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / rtl8712 / rtl8712_recv.h

diff --git a/kernel/drivers/staging/rtl8712/rtl8712_recv.h b/kernel/drivers/staging/rtl8712/rtl8712_recv.h
new file mode 100644 (file)
index 0000000..fd9e3fc
--- /dev/null
+++ b/kernel/drivers/staging/rtl8712/rtl8712_recv.h
@@ -0,0 +1,157 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * Modifications for inclusion into the Linux staging tree are
+ * Copyright(c) 2010 Larry Finger. All rights reserved.
+ *
+ * Contact information:
+ * WLAN FAE <wlanfae@realtek.com>
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ ******************************************************************************/
+#ifndef _RTL8712_RECV_H_
+#define _RTL8712_RECV_H_
+
+#include "osdep_service.h"
+#include "drv_types.h"
+
+/* Realtek's v2.6.6 reduced this to 4. However, under heavy network and CPU
+ * loads, even 8 receive buffers might not be enough; cutting it to 4 seemed
+ * unwise.
+ */
+#define NR_RECVBUFF (8)
+
+#define NR_PREALLOC_RECV_SKB (8)
+#define RXDESC_SIZE    24
+#define RXDESC_OFFSET RXDESC_SIZE
+#define RECV_BLK_SZ 512
+#define RECV_BLK_CNT 16
+#define RECV_BLK_TH RECV_BLK_CNT
+#define MAX_RECVBUF_SZ 9100
+#define RECVBUFF_ALIGN_SZ 512
+#define RSVD_ROOM_SZ (0)
+/*These definition is used for Rx packet reordering.*/
+#define SN_LESS(a, b)          (((a-b) & 0x800) != 0)
+#define SN_EQUAL(a, b) (a == b)
+#define REORDER_WAIT_TIME      30 /* (ms)*/
+
+struct recv_stat {
+       unsigned int rxdw0;
+       unsigned int rxdw1;
+       unsigned int rxdw2;
+       unsigned int rxdw3;
+       unsigned int rxdw4;
+       unsigned int rxdw5;
+};
+
+struct phy_cck_rx_status {
+       /* For CCK rate descriptor. This is a unsigned 8:1 variable.
+        * LSB bit present 0.5. And MSB 7 bts present a signed value.
+        * Range from -64~+63.5. */
+       u8      adc_pwdb_X[4];
+       u8      sq_rpt;
+       u8      cck_agc_rpt;
+};
+
+struct phy_stat {
+       unsigned int phydw0;
+       unsigned int phydw1;
+       unsigned int phydw2;
+       unsigned int phydw3;
+       unsigned int phydw4;
+       unsigned int phydw5;
+       unsigned int phydw6;
+       unsigned int phydw7;
+};
+#define PHY_STAT_GAIN_TRSW_SHT 0
+#define PHY_STAT_PWDB_ALL_SHT 4
+#define PHY_STAT_CFOSHO_SHT 5
+#define PHY_STAT_CCK_AGC_RPT_SHT 5
+#define PHY_STAT_CFOTAIL_SHT 9
+#define PHY_STAT_RXEVM_SHT 13
+#define PHY_STAT_RXSNR_SHT 15
+#define PHY_STAT_PDSNR_SHT 19
+#define PHY_STAT_CSI_CURRENT_SHT 21
+#define PHY_STAT_CSI_TARGET_SHT 23
+#define PHY_STAT_SIGEVM_SHT 25
+#define PHY_STAT_MAX_EX_PWR_SHT 26
+
+union recvstat {
+       struct recv_stat recv_stat;
+       unsigned int value[RXDESC_SIZE>>2];
+};
+
+
+struct recv_buf {
+       struct list_head list;
+       spinlock_t recvbuf_lock;
+       u32     ref_cnt;
+       struct _adapter  *adapter;
+       struct urb *purb;
+       _pkt *pskb;
+       u8 reuse;
+       u8  irp_pending;
+       u32  transfer_len;
+       uint  len;
+       u8 *phead;
+       u8 *pdata;
+       u8 *ptail;
+       u8 *pend;
+       u8 *pbuf;
+       u8 *pallocated_buf;
+};
+
+/*
+       head  ----->
+               data  ----->
+                       payload
+               tail  ----->
+       end   ----->
+       len = (unsigned int )(tail - data);
+*/
+struct recv_frame_hdr {
+       struct list_head list;
+       _pkt    *pkt;
+       _pkt *pkt_newalloc;
+       struct _adapter  *adapter;
+       u8 fragcnt;
+       struct rx_pkt_attrib attrib;
+       uint  len;
+       u8 *rx_head;
+       u8 *rx_data;
+       u8 *rx_tail;
+       u8 *rx_end;
+       void *precvbuf;
+       struct sta_info *psta;
+       /*for A-MPDU Rx reordering buffer control*/
+       struct recv_reorder_ctrl *preorder_ctrl;
+};
+
+union recv_frame {
+       union {
+               struct list_head list;
+               struct recv_frame_hdr hdr;
+       } u;
+};
+
+int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf);
+void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf);
+s32 r8712_signal_scale_mapping(s32 cur_sig);
+void r8712_reordering_ctrl_timeout_handler(void *pcontext);
+
+#endif
+