1 /* 2 * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #ifndef __HAL_RX_FLOW_DEFINES_H 21 #define __HAL_RX_FLOW_DEFINES_H 22 23 #include "hal_flow.h" 24 25 #define HAL_FST_HASH_KEY_SIZE_BYTES 40 26 #define HAL_OFFSET(block, field) block ## _ ## field ## _OFFSET 27 28 #define HAL_RX_FST_ENTRY_SIZE (NUM_OF_DWORDS_RX_FLOW_SEARCH_ENTRY * 4) 29 30 /** 31 * struct hal_rx_flow - Rx Flow parameters to be sent to HW 32 * @tuple_info: Rx Flow 5-tuple (src & dest IP, src & dest ports, L4 protocol) 33 * @reo_destination_handler: REO destination for this flow 34 * @reo_destination_indication: REO indication for this flow 35 * @fse_metadata: Flow metadata or tag passed to HW for marking packets 36 * @use_ppe_ds: send the pkt to REO2PPE instead of REO2HOST 37 * @priority_vld: field used by DS 38 * @service_code: field used by DS 39 */ 40 struct hal_rx_flow { 41 struct hal_flow_tuple_info tuple_info; 42 uint8_t reo_destination_handler; 43 uint8_t reo_destination_indication; 44 uint32_t fse_metadata; 45 uint8_t use_ppe_ds; 46 uint8_t priority_vld; 47 uint16_t service_code; 48 }; 49 50 /** 51 * struct hal_rx_fst - HAL RX Flow search table context 52 * @base_vaddr: Virtual Base address of HW FST 53 * @base_paddr: Physical Base address of HW FST 54 * @key: Pointer to 320-bit Key read from cfg 55 * @shifted_key: Pointer to left-shifted 320-bit Key used for Toeplitz Hash 56 * @max_entries : Max number of entries in flow searchh table 57 * @max_skid_length : Max search length if there is hash collision 58 * @hash_mask: Hash mask to apply to index into FST 59 * @key_cache: Toepliz Key Cache configured key 60 * @add_flow_count: Add flow count 61 * @del_flow_count: Delete flow count 62 * @fst_entry_size: size of each flow entry 63 */ 64 struct hal_rx_fst { 65 uint8_t *base_vaddr; 66 qdf_dma_addr_t base_paddr; 67 uint8_t *key; 68 #ifndef WLAN_SUPPORT_RX_FISA 69 uint8_t shifted_key[HAL_FST_HASH_KEY_SIZE_BYTES]; 70 uint32_t key_cache[HAL_FST_HASH_KEY_SIZE_BYTES][1 << 8]; 71 #endif 72 uint16_t max_entries; 73 uint16_t max_skid_length; 74 uint16_t hash_mask; 75 uint32_t add_flow_count; 76 uint32_t del_flow_count; 77 uint32_t fst_entry_size; 78 }; 79 80 #endif /* HAL_RX_FLOW_DEFINES_H */ 81