// Copyright (c) 2014 Qualcomm Atheros, Inc. All rights reserved. // $ATH_LICENSE_HW_HDR_C$ // // DO NOT EDIT! This file is automatically generated // These definitions are tied to a particular hardware layout #ifndef _TX_PCU_INFO_H_ #define _TX_PCU_INFO_H_ #if !defined(__ASSEMBLER__) #endif // ################ START SUMMARY ################# // // Dword Fields // 0 psdu_octet[19:0], reserved_0[24:20], num_of_mpdu[31:25] // 1 num_vht_mac_pad[19:0], reserved_1[23:20], fixed_delimiters[31:24] // 2 min_mpdu_spacing[9:0], reserved_2[31:10] // // ################ END SUMMARY ################# #define NUM_OF_DWORDS_TX_PCU_INFO 3 struct tx_pcu_info { volatile uint32_t psdu_octet : 20, //[19:0] reserved_0 : 5, //[24:20] num_of_mpdu : 7; //[31:25] volatile uint32_t num_vht_mac_pad : 20, //[19:0] reserved_1 : 4, //[23:20] fixed_delimiters : 8; //[31:24] volatile uint32_t min_mpdu_spacing : 10, //[9:0] reserved_2 : 22; //[31:10] }; /* psdu_octet PSDU length in octets which includes all useful data in a packet which does not include: Service (16 bits) Pad data after the last non-zero length MPDU (0 to 3 bytes) Zero length EOF MPDU (4 bytes each) Tail (0 for LDPC and Nes * 6 for BCC) where Nes is the number of encoders PHY pad For 11n packets the HT-SIG HT length field will be the same as psdu_octets. For 11ac packets the VHT-SIG-B length is ceiling (psdu_octet / 4). Note that the VHT-SIG-B length field is in units of 4 octets. Used by PCU. reserved_0 Reserved. Not used by HW. num_of_mpdu Number of MPDU. According to the 802.11 standard values larger than 64 are not supported. num_vht_mac_pad Number of MAC pad bytes after the end of the last MPDU. The vht_ppdu_bit_length = service_bits + psdu_octet * 8 + num_vht_mac_pad * 8 + tail_bits + phy_pad_bits reserved_1 Reserved. Not used by HW. fixed_delimiters A fixed number of zero-length delimiters to add after this MPDU. The actual number of zero-length delimiters will be maximum of this field and the amount based on the min_mpdu_spacing field. min_mpdu_spacing Minimum number of dwords in an MPDU. If the actual MPDU size is smaller than this, the PCU will insert zero-length delimiters after this MPDU to compensate for the difference. For example at a PHY rate of 1.3 Gbps if the receiver is capable of receiving only 1 MPDU every 16 usec, then this field should be set to 649. This means that if the MPDU length is shorter than 2596 bytes then additional zero length delimiter and MAC byte padding should be added to get to a combined byte count of 2596 bytes. This does not include the non-zero length delimiter. reserved_2 Reserved. Not used by HW. */ /* Description TX_PCU_INFO_0_PSDU_OCTET PSDU length in octets which includes all useful data in a packet which does not include: Service (16 bits) Pad data after the last non-zero length MPDU (0 to 3 bytes) Zero length EOF MPDU (4 bytes each) Tail (0 for LDPC and Nes * 6 for BCC) where Nes is the number of encoders PHY pad For 11n packets the HT-SIG HT length field will be the same as psdu_octets. For 11ac packets the VHT-SIG-B length is ceiling (psdu_octet / 4). Note that the VHT-SIG-B length field is in units of 4 octets. Used by PCU. */ #define TX_PCU_INFO_0_PSDU_OCTET_OFFSET 0x00000000 #define TX_PCU_INFO_0_PSDU_OCTET_LSB 0 #define TX_PCU_INFO_0_PSDU_OCTET_MASK 0x000fffff /* Description TX_PCU_INFO_0_RESERVED_0 Reserved. Not used by HW. */ #define TX_PCU_INFO_0_RESERVED_0_OFFSET 0x00000000 #define TX_PCU_INFO_0_RESERVED_0_LSB 20 #define TX_PCU_INFO_0_RESERVED_0_MASK 0x01f00000 /* Description TX_PCU_INFO_0_NUM_OF_MPDU Number of MPDU. According to the 802.11 standard values larger than 64 are not supported. */ #define TX_PCU_INFO_0_NUM_OF_MPDU_OFFSET 0x00000000 #define TX_PCU_INFO_0_NUM_OF_MPDU_LSB 25 #define TX_PCU_INFO_0_NUM_OF_MPDU_MASK 0xfe000000 /* Description TX_PCU_INFO_1_NUM_VHT_MAC_PAD Number of MAC pad bytes after the end of the last MPDU. The vht_ppdu_bit_length = service_bits + psdu_octet * 8 + num_vht_mac_pad * 8 + tail_bits + phy_pad_bits */ #define TX_PCU_INFO_1_NUM_VHT_MAC_PAD_OFFSET 0x00000004 #define TX_PCU_INFO_1_NUM_VHT_MAC_PAD_LSB 0 #define TX_PCU_INFO_1_NUM_VHT_MAC_PAD_MASK 0x000fffff /* Description TX_PCU_INFO_1_RESERVED_1 Reserved. Not used by HW. */ #define TX_PCU_INFO_1_RESERVED_1_OFFSET 0x00000004 #define TX_PCU_INFO_1_RESERVED_1_LSB 20 #define TX_PCU_INFO_1_RESERVED_1_MASK 0x00f00000 /* Description TX_PCU_INFO_1_FIXED_DELIMITERS A fixed number of zero-length delimiters to add after this MPDU. The actual number of zero-length delimiters will be maximum of this field and the amount based on the min_mpdu_spacing field. */ #define TX_PCU_INFO_1_FIXED_DELIMITERS_OFFSET 0x00000004 #define TX_PCU_INFO_1_FIXED_DELIMITERS_LSB 24 #define TX_PCU_INFO_1_FIXED_DELIMITERS_MASK 0xff000000 /* Description TX_PCU_INFO_2_MIN_MPDU_SPACING Minimum number of dwords in an MPDU. If the actual MPDU size is smaller than this, the PCU will insert zero-length delimiters after this MPDU to compensate for the difference. For example at a PHY rate of 1.3 Gbps if the receiver is capable of receiving only 1 MPDU every 16 usec, then this field should be set to 649. This means that if the MPDU length is shorter than 2596 bytes then additional zero length delimiter and MAC byte padding should be added to get to a combined byte count of 2596 bytes. This does not include the non-zero length delimiter. */ #define TX_PCU_INFO_2_MIN_MPDU_SPACING_OFFSET 0x00000008 #define TX_PCU_INFO_2_MIN_MPDU_SPACING_LSB 0 #define TX_PCU_INFO_2_MIN_MPDU_SPACING_MASK 0x000003ff /* Description TX_PCU_INFO_2_RESERVED_2 Reserved. Not used by HW. */ #define TX_PCU_INFO_2_RESERVED_2_OFFSET 0x00000008 #define TX_PCU_INFO_2_RESERVED_2_LSB 10 #define TX_PCU_INFO_2_RESERVED_2_MASK 0xfffffc00 #endif // _TX_PCU_INFO_H_