| /* |
| * Copyright (c) 2018 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _RX_MSDU_LINK_H_ |
| #define _RX_MSDU_LINK_H_ |
| #if !defined(__ASSEMBLER__) |
| #endif |
| |
| #include "uniform_descriptor_header.h" |
| #include "buffer_addr_info.h" |
| #include "rx_msdu_details.h" |
| |
| // ################ START SUMMARY ################# |
| // |
| // Dword Fields |
| // 0 struct uniform_descriptor_header descriptor_header; |
| // 1-2 struct buffer_addr_info next_msdu_link_desc_addr_info; |
| // 3 receive_queue_number[15:0], first_rx_msdu_link_struct[16], reserved_3a[31:17] |
| // 4 pn_31_0[31:0] |
| // 5 pn_63_32[31:0] |
| // 6 pn_95_64[31:0] |
| // 7 pn_127_96[31:0] |
| // 8-11 struct rx_msdu_details msdu_0; |
| // 12-15 struct rx_msdu_details msdu_1; |
| // 16-19 struct rx_msdu_details msdu_2; |
| // 20-23 struct rx_msdu_details msdu_3; |
| // 24-27 struct rx_msdu_details msdu_4; |
| // 28-31 struct rx_msdu_details msdu_5; |
| // |
| // ################ END SUMMARY ################# |
| |
| #define NUM_OF_DWORDS_RX_MSDU_LINK 32 |
| |
| struct rx_msdu_link { |
| struct uniform_descriptor_header descriptor_header; |
| struct buffer_addr_info next_msdu_link_desc_addr_info; |
| uint32_t receive_queue_number : 16, //[15:0] |
| first_rx_msdu_link_struct : 1, //[16] |
| reserved_3a : 15; //[31:17] |
| uint32_t pn_31_0 : 32; //[31:0] |
| uint32_t pn_63_32 : 32; //[31:0] |
| uint32_t pn_95_64 : 32; //[31:0] |
| uint32_t pn_127_96 : 32; //[31:0] |
| struct rx_msdu_details msdu_0; |
| struct rx_msdu_details msdu_1; |
| struct rx_msdu_details msdu_2; |
| struct rx_msdu_details msdu_3; |
| struct rx_msdu_details msdu_4; |
| struct rx_msdu_details msdu_5; |
| }; |
| |
| /* |
| |
| struct uniform_descriptor_header descriptor_header |
| |
| Details about which module owns this struct. |
| |
| Note that sub field Buffer_type shall be set to |
| Receive_MSDU_Link_descriptor |
| |
| struct buffer_addr_info next_msdu_link_desc_addr_info |
| |
| Details of the physical address of the next MSDU link |
| descriptor that contains info about additional MSDUs that |
| are part of this MPDU. |
| |
| receive_queue_number |
| |
| Indicates the Receive queue to which this MPDU |
| descriptor belongs |
| |
| Used for tracking, finding bugs and debugging. |
| |
| <legal all> |
| |
| first_rx_msdu_link_struct |
| |
| When set, this RX_MSDU_link descriptor is the first one |
| in the MSDU link list. Field MSDU_0 points to the very first |
| MSDU buffer descriptor in the MPDU |
| |
| <legal all> |
| |
| reserved_3a |
| |
| <legal 0> |
| |
| pn_31_0 |
| |
| |
| |
| |
| 31-0 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| |
| pn_63_32 |
| |
| |
| |
| |
| 63-32 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| |
| pn_95_64 |
| |
| |
| |
| |
| 95-64 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| |
| pn_127_96 |
| |
| |
| |
| |
| 127-96 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| |
| struct rx_msdu_details msdu_0 |
| |
| When First_RX_MSDU_link_struct is set, this MSDU is the |
| first in the MPDU |
| |
| |
| |
| When First_RX_MSDU_link_struct is NOT set, this MSDU |
| follows the last MSDU in the previous RX_MSDU_link data |
| structure |
| |
| struct rx_msdu_details msdu_1 |
| |
| Details of next MSDU in this (MSDU flow) linked list |
| |
| struct rx_msdu_details msdu_2 |
| |
| Details of next MSDU in this (MSDU flow) linked list |
| |
| struct rx_msdu_details msdu_3 |
| |
| Details of next MSDU in this (MSDU flow) linked list |
| |
| struct rx_msdu_details msdu_4 |
| |
| Details of next MSDU in this (MSDU flow) linked list |
| |
| struct rx_msdu_details msdu_5 |
| |
| Details of next MSDU in this (MSDU flow) linked list |
| */ |
| |
| #define RX_MSDU_LINK_0_UNIFORM_DESCRIPTOR_HEADER_DESCRIPTOR_HEADER_OFFSET 0x00000000 |
| #define RX_MSDU_LINK_0_UNIFORM_DESCRIPTOR_HEADER_DESCRIPTOR_HEADER_LSB 0 |
| #define RX_MSDU_LINK_0_UNIFORM_DESCRIPTOR_HEADER_DESCRIPTOR_HEADER_MASK 0xffffffff |
| #define RX_MSDU_LINK_1_BUFFER_ADDR_INFO_NEXT_MSDU_LINK_DESC_ADDR_INFO_OFFSET 0x00000004 |
| #define RX_MSDU_LINK_1_BUFFER_ADDR_INFO_NEXT_MSDU_LINK_DESC_ADDR_INFO_LSB 0 |
| #define RX_MSDU_LINK_1_BUFFER_ADDR_INFO_NEXT_MSDU_LINK_DESC_ADDR_INFO_MASK 0xffffffff |
| #define RX_MSDU_LINK_2_BUFFER_ADDR_INFO_NEXT_MSDU_LINK_DESC_ADDR_INFO_OFFSET 0x00000008 |
| #define RX_MSDU_LINK_2_BUFFER_ADDR_INFO_NEXT_MSDU_LINK_DESC_ADDR_INFO_LSB 0 |
| #define RX_MSDU_LINK_2_BUFFER_ADDR_INFO_NEXT_MSDU_LINK_DESC_ADDR_INFO_MASK 0xffffffff |
| |
| /* Description RX_MSDU_LINK_3_RECEIVE_QUEUE_NUMBER |
| |
| Indicates the Receive queue to which this MPDU |
| descriptor belongs |
| |
| Used for tracking, finding bugs and debugging. |
| |
| <legal all> |
| */ |
| #define RX_MSDU_LINK_3_RECEIVE_QUEUE_NUMBER_OFFSET 0x0000000c |
| #define RX_MSDU_LINK_3_RECEIVE_QUEUE_NUMBER_LSB 0 |
| #define RX_MSDU_LINK_3_RECEIVE_QUEUE_NUMBER_MASK 0x0000ffff |
| |
| /* Description RX_MSDU_LINK_3_FIRST_RX_MSDU_LINK_STRUCT |
| |
| When set, this RX_MSDU_link descriptor is the first one |
| in the MSDU link list. Field MSDU_0 points to the very first |
| MSDU buffer descriptor in the MPDU |
| |
| <legal all> |
| */ |
| #define RX_MSDU_LINK_3_FIRST_RX_MSDU_LINK_STRUCT_OFFSET 0x0000000c |
| #define RX_MSDU_LINK_3_FIRST_RX_MSDU_LINK_STRUCT_LSB 16 |
| #define RX_MSDU_LINK_3_FIRST_RX_MSDU_LINK_STRUCT_MASK 0x00010000 |
| |
| /* Description RX_MSDU_LINK_3_RESERVED_3A |
| |
| <legal 0> |
| */ |
| #define RX_MSDU_LINK_3_RESERVED_3A_OFFSET 0x0000000c |
| #define RX_MSDU_LINK_3_RESERVED_3A_LSB 17 |
| #define RX_MSDU_LINK_3_RESERVED_3A_MASK 0xfffe0000 |
| |
| /* Description RX_MSDU_LINK_4_PN_31_0 |
| |
| |
| |
| |
| 31-0 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| */ |
| #define RX_MSDU_LINK_4_PN_31_0_OFFSET 0x00000010 |
| #define RX_MSDU_LINK_4_PN_31_0_LSB 0 |
| #define RX_MSDU_LINK_4_PN_31_0_MASK 0xffffffff |
| |
| /* Description RX_MSDU_LINK_5_PN_63_32 |
| |
| |
| |
| |
| 63-32 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| */ |
| #define RX_MSDU_LINK_5_PN_63_32_OFFSET 0x00000014 |
| #define RX_MSDU_LINK_5_PN_63_32_LSB 0 |
| #define RX_MSDU_LINK_5_PN_63_32_MASK 0xffffffff |
| |
| /* Description RX_MSDU_LINK_6_PN_95_64 |
| |
| |
| |
| |
| 95-64 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| */ |
| #define RX_MSDU_LINK_6_PN_95_64_OFFSET 0x00000018 |
| #define RX_MSDU_LINK_6_PN_95_64_LSB 0 |
| #define RX_MSDU_LINK_6_PN_95_64_MASK 0xffffffff |
| |
| /* Description RX_MSDU_LINK_7_PN_127_96 |
| |
| |
| |
| |
| 127-96 bits of the 256-bit packet number bitmap. |
| |
| <legal all> |
| */ |
| #define RX_MSDU_LINK_7_PN_127_96_OFFSET 0x0000001c |
| #define RX_MSDU_LINK_7_PN_127_96_LSB 0 |
| #define RX_MSDU_LINK_7_PN_127_96_MASK 0xffffffff |
| #define RX_MSDU_LINK_8_RX_MSDU_DETAILS_MSDU_0_OFFSET 0x00000020 |
| #define RX_MSDU_LINK_8_RX_MSDU_DETAILS_MSDU_0_LSB 0 |
| #define RX_MSDU_LINK_8_RX_MSDU_DETAILS_MSDU_0_MASK 0xffffffff |
| #define RX_MSDU_LINK_9_RX_MSDU_DETAILS_MSDU_0_OFFSET 0x00000024 |
| #define RX_MSDU_LINK_9_RX_MSDU_DETAILS_MSDU_0_LSB 0 |
| #define RX_MSDU_LINK_9_RX_MSDU_DETAILS_MSDU_0_MASK 0xffffffff |
| #define RX_MSDU_LINK_10_RX_MSDU_DETAILS_MSDU_0_OFFSET 0x00000028 |
| #define RX_MSDU_LINK_10_RX_MSDU_DETAILS_MSDU_0_LSB 0 |
| #define RX_MSDU_LINK_10_RX_MSDU_DETAILS_MSDU_0_MASK 0xffffffff |
| #define RX_MSDU_LINK_11_RX_MSDU_DETAILS_MSDU_0_OFFSET 0x0000002c |
| #define RX_MSDU_LINK_11_RX_MSDU_DETAILS_MSDU_0_LSB 0 |
| #define RX_MSDU_LINK_11_RX_MSDU_DETAILS_MSDU_0_MASK 0xffffffff |
| #define RX_MSDU_LINK_12_RX_MSDU_DETAILS_MSDU_1_OFFSET 0x00000030 |
| #define RX_MSDU_LINK_12_RX_MSDU_DETAILS_MSDU_1_LSB 0 |
| #define RX_MSDU_LINK_12_RX_MSDU_DETAILS_MSDU_1_MASK 0xffffffff |
| #define RX_MSDU_LINK_13_RX_MSDU_DETAILS_MSDU_1_OFFSET 0x00000034 |
| #define RX_MSDU_LINK_13_RX_MSDU_DETAILS_MSDU_1_LSB 0 |
| #define RX_MSDU_LINK_13_RX_MSDU_DETAILS_MSDU_1_MASK 0xffffffff |
| #define RX_MSDU_LINK_14_RX_MSDU_DETAILS_MSDU_1_OFFSET 0x00000038 |
| #define RX_MSDU_LINK_14_RX_MSDU_DETAILS_MSDU_1_LSB 0 |
| #define RX_MSDU_LINK_14_RX_MSDU_DETAILS_MSDU_1_MASK 0xffffffff |
| #define RX_MSDU_LINK_15_RX_MSDU_DETAILS_MSDU_1_OFFSET 0x0000003c |
| #define RX_MSDU_LINK_15_RX_MSDU_DETAILS_MSDU_1_LSB 0 |
| #define RX_MSDU_LINK_15_RX_MSDU_DETAILS_MSDU_1_MASK 0xffffffff |
| #define RX_MSDU_LINK_16_RX_MSDU_DETAILS_MSDU_2_OFFSET 0x00000040 |
| #define RX_MSDU_LINK_16_RX_MSDU_DETAILS_MSDU_2_LSB 0 |
| #define RX_MSDU_LINK_16_RX_MSDU_DETAILS_MSDU_2_MASK 0xffffffff |
| #define RX_MSDU_LINK_17_RX_MSDU_DETAILS_MSDU_2_OFFSET 0x00000044 |
| #define RX_MSDU_LINK_17_RX_MSDU_DETAILS_MSDU_2_LSB 0 |
| #define RX_MSDU_LINK_17_RX_MSDU_DETAILS_MSDU_2_MASK 0xffffffff |
| #define RX_MSDU_LINK_18_RX_MSDU_DETAILS_MSDU_2_OFFSET 0x00000048 |
| #define RX_MSDU_LINK_18_RX_MSDU_DETAILS_MSDU_2_LSB 0 |
| #define RX_MSDU_LINK_18_RX_MSDU_DETAILS_MSDU_2_MASK 0xffffffff |
| #define RX_MSDU_LINK_19_RX_MSDU_DETAILS_MSDU_2_OFFSET 0x0000004c |
| #define RX_MSDU_LINK_19_RX_MSDU_DETAILS_MSDU_2_LSB 0 |
| #define RX_MSDU_LINK_19_RX_MSDU_DETAILS_MSDU_2_MASK 0xffffffff |
| #define RX_MSDU_LINK_20_RX_MSDU_DETAILS_MSDU_3_OFFSET 0x00000050 |
| #define RX_MSDU_LINK_20_RX_MSDU_DETAILS_MSDU_3_LSB 0 |
| #define RX_MSDU_LINK_20_RX_MSDU_DETAILS_MSDU_3_MASK 0xffffffff |
| #define RX_MSDU_LINK_21_RX_MSDU_DETAILS_MSDU_3_OFFSET 0x00000054 |
| #define RX_MSDU_LINK_21_RX_MSDU_DETAILS_MSDU_3_LSB 0 |
| #define RX_MSDU_LINK_21_RX_MSDU_DETAILS_MSDU_3_MASK 0xffffffff |
| #define RX_MSDU_LINK_22_RX_MSDU_DETAILS_MSDU_3_OFFSET 0x00000058 |
| #define RX_MSDU_LINK_22_RX_MSDU_DETAILS_MSDU_3_LSB 0 |
| #define RX_MSDU_LINK_22_RX_MSDU_DETAILS_MSDU_3_MASK 0xffffffff |
| #define RX_MSDU_LINK_23_RX_MSDU_DETAILS_MSDU_3_OFFSET 0x0000005c |
| #define RX_MSDU_LINK_23_RX_MSDU_DETAILS_MSDU_3_LSB 0 |
| #define RX_MSDU_LINK_23_RX_MSDU_DETAILS_MSDU_3_MASK 0xffffffff |
| #define RX_MSDU_LINK_24_RX_MSDU_DETAILS_MSDU_4_OFFSET 0x00000060 |
| #define RX_MSDU_LINK_24_RX_MSDU_DETAILS_MSDU_4_LSB 0 |
| #define RX_MSDU_LINK_24_RX_MSDU_DETAILS_MSDU_4_MASK 0xffffffff |
| #define RX_MSDU_LINK_25_RX_MSDU_DETAILS_MSDU_4_OFFSET 0x00000064 |
| #define RX_MSDU_LINK_25_RX_MSDU_DETAILS_MSDU_4_LSB 0 |
| #define RX_MSDU_LINK_25_RX_MSDU_DETAILS_MSDU_4_MASK 0xffffffff |
| #define RX_MSDU_LINK_26_RX_MSDU_DETAILS_MSDU_4_OFFSET 0x00000068 |
| #define RX_MSDU_LINK_26_RX_MSDU_DETAILS_MSDU_4_LSB 0 |
| #define RX_MSDU_LINK_26_RX_MSDU_DETAILS_MSDU_4_MASK 0xffffffff |
| #define RX_MSDU_LINK_27_RX_MSDU_DETAILS_MSDU_4_OFFSET 0x0000006c |
| #define RX_MSDU_LINK_27_RX_MSDU_DETAILS_MSDU_4_LSB 0 |
| #define RX_MSDU_LINK_27_RX_MSDU_DETAILS_MSDU_4_MASK 0xffffffff |
| #define RX_MSDU_LINK_28_RX_MSDU_DETAILS_MSDU_5_OFFSET 0x00000070 |
| #define RX_MSDU_LINK_28_RX_MSDU_DETAILS_MSDU_5_LSB 0 |
| #define RX_MSDU_LINK_28_RX_MSDU_DETAILS_MSDU_5_MASK 0xffffffff |
| #define RX_MSDU_LINK_29_RX_MSDU_DETAILS_MSDU_5_OFFSET 0x00000074 |
| #define RX_MSDU_LINK_29_RX_MSDU_DETAILS_MSDU_5_LSB 0 |
| #define RX_MSDU_LINK_29_RX_MSDU_DETAILS_MSDU_5_MASK 0xffffffff |
| #define RX_MSDU_LINK_30_RX_MSDU_DETAILS_MSDU_5_OFFSET 0x00000078 |
| #define RX_MSDU_LINK_30_RX_MSDU_DETAILS_MSDU_5_LSB 0 |
| #define RX_MSDU_LINK_30_RX_MSDU_DETAILS_MSDU_5_MASK 0xffffffff |
| #define RX_MSDU_LINK_31_RX_MSDU_DETAILS_MSDU_5_OFFSET 0x0000007c |
| #define RX_MSDU_LINK_31_RX_MSDU_DETAILS_MSDU_5_LSB 0 |
| #define RX_MSDU_LINK_31_RX_MSDU_DETAILS_MSDU_5_MASK 0xffffffff |
| |
| |
| #endif // _RX_MSDU_LINK_H_ |
