#ifndef __RX_MSG_H__
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#define __RX_MSG_H__
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#include "mm.h"
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#include "reorder.h"
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#include "defrag.h"
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#include "tracer.h"
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#define MAX_SEQNO_BY_TWO 2048
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#define SEQNO_MASK 0xfff
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#define SEQNO_ADD(seq1, seq2) (((seq1) + (seq2)) & SEQNO_MASK)
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#define SEQNO_SUB(seq1, seq2) (((seq1) - (seq2)) & SEQNO_MASK)
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#define SPRDWL_GET_FIRST_SKB(skb, list) {\
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skb = list;\
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list = skb->next;\
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skb->next = NULL;\
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}
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enum seqno_bound {
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LESSER_THAN_SEQLO = 0,
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GREATER_THAN_SEQHI,
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BETWEEN_SEQLO_SEQHI,
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};
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enum cipher_type {
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SPRDWL_HW_WEP = 0,
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SPRDWL_HW_TKIP,
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SPRDWL_HW_CCMP,
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SPRDWL_HW_NO_CIPHER,
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SPRDWL_HW_WEP_104,
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SPRDWL_HW_GCMP_128,
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SPRDWL_HW_GCMP_256,
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SPRDWL_HW_WAPI,
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SPRDWL_HW_CCMP_256,
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SPRDWL_HW_BIP_CMAC_128,
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SPRDWL_HW_BIP_CMAC_256,
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SPRDWL_HW_BIP_GMAC_128,
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SPRDWL_HW_BIP_GMAC_256,
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};
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struct sprdwl_rx_if {
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struct sprdwl_intf *intf;
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struct sprdwl_msg_list rx_list;
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struct work_struct rx_work;
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struct workqueue_struct *rx_queue;
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#ifdef RX_NAPI
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struct sprdwl_msg_list rx_data_list;
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struct napi_struct napi_rx;
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#endif
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struct sprdwl_mm mm_entry;
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struct sprdwl_rx_ba_entry ba_entry;
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struct sprdwl_rx_defrag_entry defrag_entry;
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u8 rsp_event_cnt;
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#ifdef SPLIT_STACK
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struct work_struct rx_net_work;
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struct workqueue_struct *rx_net_workq;
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#endif
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unsigned long rx_data_num;
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ktime_t rxtimebegin;
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ktime_t rxtimeend;
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};
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struct sprdwl_addr_trans_value {
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#define SPRDWL_PROCESS_BUFFER 0
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#define SPRDWL_FREE_BUFFER 1
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#define SPRDWL_REQUEST_BUFFER 2
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#define SPRDWL_FLUSH_BUFFER 3
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unsigned char type;
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unsigned char num;
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unsigned char address[0][5];
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} __packed;
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struct sprdwl_addr_trans {
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unsigned int timestamp;
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unsigned char tlv_num;
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struct sprdwl_addr_trans_value value[0];
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} __packed;
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/* NOTE: MUST not modify, defined by HW */
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/* It still change now */
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struct rx_msdu_desc {
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/* WORD7 */
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u32 host_type:4; /* indicate data/event/rsp, host driver used */
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u32 ctx_id:4; /* indicate hw mac address index */
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u32 msdu_offset:8; /* 802.3 header offset from msdu_dscr_header */
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u32 msdu_len:16; /* len of 802.3 frame */
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/* WORD8 */
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u32 curr_buff_base_addr_l; /* base buffer addr of this msdu
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* low 32 bit
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*/
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/* WORD9 */
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union {
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u8 curr_buff_base_addr_h; /* base buffer addr of
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* this msdu high 8 bit
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*/
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u8 short_pkt_num; /* sw use, used in short
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* pkt process in SDIO mode
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*/
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};
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u8 msdu_index_of_mpdu; /* msdu index of mpdu */
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u16 first_msdu_of_buff:1; /* indicate whether this msdu is
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* the first msdu in buffer
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*/
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u16 last_msdu_of_buff:1; /* indicate whether this msdu is
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* the last msdu in buffer
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*/
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u16 rsvd1:2; /* reserved */
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u16 first_msdu_of_mpdu:1; /* indicate whether this msdu is
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* the first msdu of mpdu
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*/
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u16 last_msdu_of_mpdu:1; /* indicate whether this msdu is
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* the last msdu of mpdu
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*/
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u16 null_frame_flag:1; /* indicate this msdu is null */
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u16 qos_null_frame_flag:1; /* indicate this msdu is qos null */
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u16 first_buff_of_mpdu:1; /* indicate whether the buffer this msdu
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* is the first buff of mpdu
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*/
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u16 last_buff_of_mpdu:1; /* indicate whether the buffer this msdu
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* is the last buff of mpdu
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*/
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u16 sta_lut_valid:1; /* indicate if find hw sta lut */
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u16 sta_lut_index:5; /* hw sta lut index, valid only
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* when sta_lut_valid is true
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*/
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/* WORD 10 */
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u32 more_data_bit:1; /* more data bit in mac header */
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u32 eosp_bit:1; /* eosp bit in mac header */
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u32 pm_bit:1; /* pm bit in mac header */
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u32 bc_mc_w2w_flag:1; /* bc/mc wlan2wlan flag */
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u32 bc_mc_flag:1; /* bc/mc flag */
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u32 uc_w2w_flag:1; /* uc wlan2wlan flag */
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u32 eapol_flag:1; /* eapol flag */
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u32 vlan_type_flag:1; /* vlan pkt */
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u32 snap_hdr_present:1; /* indicate if hw find snap header
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* (0xAA 0xAA 0x03 0x00 0x00 0x00)
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* (0xAA 0xAA 0x03 0x00 0x00 0xFB)
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*/
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u32 snap_hdr_type:1; /* snap header type: rfc1042/rfc896(802.1h) */
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u32 ba_session_flag:1; /* indicate if this msdu is
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* received in rx ba session period
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*/
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u32 ampdu_flag:1; /* indicate if this msdu is in ampdu */
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u32 amsdu_flag:1; /* indicate if this msdu is in amsdu */
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u32 qos_flag:1; /* qos flag */
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u32 rsvd2:2; /* reserved */
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u32 tid:4; /* TID */
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u32 seq_num:12; /* sequence number */
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/* WORD11 */
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u32 pn_l; /* PN, low 4 bytes, hw has got real PN value */
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/* WORD12 */
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u32 pn_h:16; /* PN, high 2 bytes */
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u32 frag_num:4; /* fragment number in mac header */
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u32 more_frag_bit:1; /* more fragment bit in mac header */
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u32 retry_bit:1; /* retransmission bit in mac header */
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u32 rsvd3:2; /* reserved */
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u32 cipher_type:4; /* cipher type */
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u32 rsvd4:3; /* reserved */
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u32 data_write_done:1; /* in PCIE mode, indicate if data has been
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* transferred from HW to ap, host driver use
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*/
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/* WORD13 */
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u32 rsvd5; /* reserved */
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} __packed;
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/* NOTE: MUST not modify, defined by HW */
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struct rx_mh_desc {
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/* WORD0 */
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u32 next_msdu_ptr_l; /* ptr to next msdu low 32 bit */
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/* WORD1 */
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u32 next_msdu_ptr_h:8; /* ptr to next msdu high 8 bit */
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u32 transfer_len:16; /* SDIO HW use */
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u32 offset_for_sdio:8; /* SDIO HW use, default:0 */
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/* WORD2 */
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u32 tcp_checksum_offset:12; /* HW use */
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u32 tcp_checksum_len:16; /* HW use */
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u32 tcp_checksum_en:1; /* HW use */
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u32 rsvd1:3; /* reserved */
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/* WORD3 */
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u32 tcp_hw_checksum:16; /* MAC HW fill, host driver use */
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u32 last_procq_msdu_of_buff:1; /* indicate whether this msdu
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* is the last procq msdu in buffer
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*/
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u32 rsvd2:7; /* reserved */
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u32 filter_status:6; /* used in filter queue */
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u32 msdu_sta_ps_flag:1; /* indicate if this msdu is received
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* in STA ps state
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*/
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u32 filter_flag:1; /* indicate if this msdu is
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* a filter msdu
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*/
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/* WORD4 */
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u32 data_rate:8; /* data rate from PA RX DESCRIPTOR */
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u32 rss1:8; /* RSS1 from PA RX DESCRIPTOR */
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u32 rss2:8; /* RSS2 from PA RX DESCRIPTOR */
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u32 snr1:8; /* SNR1 from PA RX DESCRIPTOR */
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/* WORD5 */
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u32 snr2:8; /* SNR2 from PA RX DESCRIPTOR */
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u32 snr_combo:8; /* SNR-COMBO from PA RX DESCRIPTOR */
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u32 snr_l:8; /* SNR-L from PA RX DESCRIPTOR */
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u32 rsvd3:8; /* reserved */
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/* WORD6 */
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u32 phy_rx_mode; /* PHY RX MODE from PA RX DESCRIPTOR */
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} __packed;
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static inline int msdu_total_len(struct rx_msdu_desc *msdu_desc)
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{
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return msdu_desc->msdu_offset + msdu_desc->msdu_len;
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}
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#ifdef RX_HW_CSUM
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unsigned short get_sdio_data_csum(void *entry, void *data);
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unsigned short get_pcie_data_csum(void *entry, void *data);
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int fill_skb_csum(struct sk_buff *skb, unsigned short csum);
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#else
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static inline unsigned short
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get_sdio_data_csum(void *entry, void *data)
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{
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return 0;
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}
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static inline unsigned short
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get_pcie_data_csum(void *entry, void *data)
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{
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return 0;
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}
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static inline int
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fill_skb_csum(struct sk_buff *skb, unsigned short csum)
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{
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skb->ip_summed = CHECKSUM_NONE;
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return 0;
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}
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#endif /* RX_HW_CSUM */
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static inline bool seqno_leq(unsigned short seq1, unsigned short seq2)
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{
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bool ret = false;
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if (((seq1 <= seq2) && ((seq2 - seq1) < MAX_SEQNO_BY_TWO)) ||
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((seq1 > seq2) && ((seq1 - seq2) >= MAX_SEQNO_BY_TWO)))
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ret = true;
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return ret;
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}
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static inline bool seqno_geq(unsigned short seq1, unsigned short seq2)
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{
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return seqno_leq(seq2, seq1);
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}
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void sprdwl_rx_process(struct sprdwl_rx_if *rx_if, struct sk_buff *pskb);
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void sprdwl_rx_send_cmd(struct sprdwl_intf *intf, void *data, int len,
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unsigned char id, unsigned char ctx_id);
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int sprdwl_pkt_log_save(struct sprdwl_intf *intf, void *data);
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void sprdwl_rx_napi_init(struct net_device *ndev, struct sprdwl_intf *intf);
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int sprdwl_rx_init(struct sprdwl_intf *intf);
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int sprdwl_rx_deinit(struct sprdwl_intf *intf);
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#endif
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