--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 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
+ *
+ *
+ ******************************************************************************/
+#ifndef _RTW_RECV_H_
+#define _RTW_RECV_H_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+
+
+#define NR_RECVFRAME 256
+
+#define RXFRAME_ALIGN 8
+#define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
+
+#define MAX_RXFRAME_CNT 512
+#define MAX_RX_NUMBLKS (32)
+#define RECVFRAME_HDR_ALIGN 128
+
+#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
+
+#define MAX_SUBFRAME_COUNT 64
+
+/* for Rx reordering buffer control */
+struct recv_reorder_ctrl {
+ struct adapter *padapter;
+ u8 enable;
+ u16 indicate_seq;/* wstart_b, init_value=0xffff */
+ u16 wend_b;
+ u8 wsize_b;
+ struct __queue pending_recvframe_queue;
+ struct timer_list reordering_ctrl_timer;
+};
+
+struct stainfo_rxcache {
+ u16 tid_rxseq[16];
+/*
+ unsigned short tid0_rxseq;
+ unsigned short tid1_rxseq;
+ unsigned short tid2_rxseq;
+ unsigned short tid3_rxseq;
+ unsigned short tid4_rxseq;
+ unsigned short tid5_rxseq;
+ unsigned short tid6_rxseq;
+ unsigned short tid7_rxseq;
+ unsigned short tid8_rxseq;
+ unsigned short tid9_rxseq;
+ unsigned short tid10_rxseq;
+ unsigned short tid11_rxseq;
+ unsigned short tid12_rxseq;
+ unsigned short tid13_rxseq;
+ unsigned short tid14_rxseq;
+ unsigned short tid15_rxseq;
+*/
+};
+
+struct smooth_rssi_data {
+ u32 elements[100]; /* array to store values */
+ u32 index; /* index to current array to store */
+ u32 total_num; /* num of valid elements */
+ u32 total_val; /* sum of valid elements */
+};
+
+struct signal_stat {
+ u8 update_req; /* used to indicate */
+ u8 avg_val; /* avg of valid elements */
+ u32 total_num; /* num of valid elements */
+ u32 total_val; /* sum of valid elements */
+};
+#define MAX_PATH_NUM_92CS 3
+struct phy_info {
+ u8 RxPWDBAll;
+ u8 SignalQuality; /* in 0-100 index. */
+ u8 RxMIMOSignalQuality[MAX_PATH_NUM_92CS]; /* EVM */
+ u8 RxMIMOSignalStrength[MAX_PATH_NUM_92CS];/* in 0~100 index */
+ s8 RxPower; /* in dBm Translate from PWdB */
+/* Real power in dBm for this packet, no beautification and aggregation.
+ * Keep this raw info to be used for the other procedures. */
+ s8 recvpower;
+ u8 BTRxRSSIPercentage;
+ u8 SignalStrength; /* in 0-100 index. */
+ u8 RxPwr[MAX_PATH_NUM_92CS];/* per-path's pwdb */
+ u8 RxSNR[MAX_PATH_NUM_92CS];/* per-path's SNR */
+};
+
+struct rx_pkt_attrib {
+ u16 pkt_len;
+ u8 physt;
+ u8 drvinfo_sz;
+ u8 shift_sz;
+ u8 hdrlen; /* the WLAN Header Len */
+ u8 to_fr_ds;
+ u8 amsdu;
+ u8 qos;
+ u8 priority;
+ u8 pw_save;
+ u8 mdata;
+ u16 seq_num;
+ u8 frag_num;
+ u8 mfrag;
+ u8 order;
+ u8 privacy; /* in frame_ctrl field */
+ u8 bdecrypted;
+ u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
+ * indicate the encrypt algorith */
+ u8 iv_len;
+ u8 icv_len;
+ u8 crc_err;
+ u8 icv_err;
+
+ u16 eth_type;
+
+ u8 dst[ETH_ALEN];
+ u8 src[ETH_ALEN];
+ u8 ta[ETH_ALEN];
+ u8 ra[ETH_ALEN];
+ u8 bssid[ETH_ALEN];
+
+ u8 ack_policy;
+
+ u8 key_index;
+
+ u8 mcs_rate;
+ u8 rxht;
+ u8 sgi;
+ u8 pkt_rpt_type;
+ u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */
+
+ struct phy_info phy_info;
+};
+
+
+/* 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 (50) /* (ms) */
+
+#define RECVBUFF_ALIGN_SZ 8
+
+#define RXDESC_SIZE 24
+#define RXDESC_OFFSET RXDESC_SIZE
+
+struct recv_stat {
+ __le32 rxdw0;
+ __le32 rxdw1;
+ __le32 rxdw2;
+ __le32 rxdw3;
+ __le32 rxdw4;
+ __le32 rxdw5;
+};
+
+#define EOR BIT(30)
+
+/*
+accesser of recv_priv: rtw_recv_entry(dispatch / passive level);
+recv_thread(passive) ; returnpkt(dispatch)
+; halt(passive) ;
+
+using enter_critical section to protect
+*/
+struct recv_priv {
+ struct __queue free_recv_queue;
+ struct __queue recv_pending_queue;
+ struct __queue uc_swdec_pending_queue;
+ u8 *pallocated_frame_buf;
+ u8 *precv_frame_buf;
+ uint free_recvframe_cnt;
+ struct adapter *adapter;
+ u32 bIsAnyNonBEPkts;
+ u64 rx_bytes;
+ u64 rx_pkts;
+ u64 rx_drop;
+ u64 last_rx_bytes;
+
+ uint ff_hwaddr;
+ u8 rx_pending_cnt;
+
+ struct tasklet_struct irq_prepare_beacon_tasklet;
+ struct tasklet_struct recv_tasklet;
+ struct sk_buff_head free_recv_skb_queue;
+ struct sk_buff_head rx_skb_queue;
+ u8 *pallocated_recv_buf;
+ u8 *precv_buf; /* 4 alignment */
+ struct __queue free_recv_buf_queue;
+ u32 free_recv_buf_queue_cnt;
+ /* For display the phy informatiom */
+ u8 is_signal_dbg; /* for debug */
+ u8 signal_strength_dbg; /* for debug */
+ s8 rssi;
+ s8 rxpwdb;
+ u8 signal_strength;
+ u8 signal_qual;
+ u8 noise;
+ s8 RxRssi[2];
+
+ struct timer_list signal_stat_timer;
+ u32 signal_stat_sampling_interval;
+ struct signal_stat signal_qual_data;
+ struct signal_stat signal_strength_data;
+};
+
+#define rtw_set_signal_stat_timer(recvpriv) \
+ mod_timer(&(recvpriv)->signal_stat_timer, jiffies + \
+ msecs_to_jiffies((recvpriv)->signal_stat_sampling_interval))
+
+struct sta_recv_priv {
+ spinlock_t lock;
+ int option;
+ struct __queue defrag_q; /* keeping the fragment frame until defrag */
+ struct stainfo_rxcache rxcache;
+};
+
+struct recv_buf {
+ struct adapter *adapter;
+ struct urb *purb;
+ struct sk_buff *pskb;
+ u8 reuse;
+};
+
+/*
+ head ----->
+
+ data ----->
+
+ payload
+
+ tail ----->
+
+
+ end ----->
+
+ len = (unsigned int )(tail - data);
+
+*/
+struct recv_frame {
+ struct list_head list;
+ struct sk_buff *pkt;
+ struct sk_buff *pkt_newalloc;
+ struct adapter *adapter;
+ struct rx_pkt_attrib attrib;
+ uint len;
+ u8 *rx_head;
+ u8 *rx_data;
+ u8 *rx_tail;
+ u8 *rx_end;
+ struct sta_info *psta;
+ /* for A-MPDU Rx reordering buffer control */
+ struct recv_reorder_ctrl *preorder_ctrl;
+};
+
+struct recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue);
+struct recv_frame *rtw_alloc_recvframe(struct __queue *pfree_recv_queue);
+void rtw_init_recvframe(struct recv_frame *precvframe,
+ struct recv_priv *precvpriv);
+int rtw_free_recvframe(struct recv_frame *precvframe,
+ struct __queue *pfree_recv_queue);
+#define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
+int _rtw_enqueue_recvframe(struct recv_frame *precvframe,
+ struct __queue *queue);
+int rtw_enqueue_recvframe(struct recv_frame *precvframe, struct __queue *queue);
+void rtw_free_recvframe_queue(struct __queue *pframequeue,
+ struct __queue *pfree_recv_queue);
+u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter);
+
+void rtw_reordering_ctrl_timeout_handler(unsigned long data);
+
+static inline u8 *get_rxmem(struct recv_frame *precvframe)
+{
+ /* always return rx_head... */
+ if (precvframe == NULL)
+ return NULL;
+ return precvframe->rx_head;
+}
+
+static inline u8 *recvframe_pull(struct recv_frame *precvframe, int sz)
+{
+ /* rx_data += sz; move rx_data sz bytes hereafter */
+
+ /* used for extract sz bytes from rx_data, update rx_data and return
+ * the updated rx_data to the caller */
+
+ if (precvframe == NULL)
+ return NULL;
+ precvframe->rx_data += sz;
+ if (precvframe->rx_data > precvframe->rx_tail) {
+ precvframe->rx_data -= sz;
+ return NULL;
+ }
+ precvframe->len -= sz;
+ return precvframe->rx_data;
+}
+
+static inline u8 *recvframe_put(struct recv_frame *precvframe, int sz)
+{
+ /* used for append sz bytes from ptr to rx_tail, update rx_tail
+ * and return the updated rx_tail to the caller */
+ /* after putting, rx_tail must be still larger than rx_end. */
+
+ if (precvframe == NULL)
+ return NULL;
+
+ precvframe->rx_tail += sz;
+
+ if (precvframe->rx_tail > precvframe->rx_end) {
+ precvframe->rx_tail -= sz;
+ return NULL;
+ }
+ precvframe->len += sz;
+ return precvframe->rx_tail;
+}
+
+static inline u8 *recvframe_pull_tail(struct recv_frame *precvframe, int sz)
+{
+ /* rmv data from rx_tail (by yitsen) */
+
+ /* used for extract sz bytes from rx_end, update rx_end and return
+ * the updated rx_end to the caller */
+ /* after pulling, rx_end must be still larger than rx_data. */
+
+ if (precvframe == NULL)
+ return NULL;
+ precvframe->rx_tail -= sz;
+ if (precvframe->rx_tail < precvframe->rx_data) {
+ precvframe->rx_tail += sz;
+ return NULL;
+ }
+ precvframe->len -= sz;
+ return precvframe->rx_tail;
+}
+
+static inline s32 translate_percentage_to_dbm(u32 sig_stren_index)
+{
+ s32 power; /* in dBm. */
+
+ /* Translate to dBm (x=0.5y-95). */
+ power = (s32)((sig_stren_index + 1) >> 1);
+ power -= 95;
+
+ return power;
+}
+
+
+struct sta_info;
+
+void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
+
+void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame);
+
+#endif
Code Review / kvmfornfv.git / blobdiff