50e10cff51
For MCC, hash key related member in struct hal_rx_fst is not used, it requires big chunk memory > 40K bytes that sometimes may fail to allocate from system, wlan start up failed. Remove hash key related member in hal_rx_fst by macro WLAN_SUPPORT_RX_FISA for MCC. Change-Id: I4214e18155c3ebc3dcc800c8c74f7eed16d580b4 CRs-Fixed: 2732990
70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
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* Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __HAL_RX_FLOW_DEFINES_H
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#define __HAL_RX_FLOW_DEFINES_H
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#define HAL_FST_HASH_KEY_SIZE_BYTES 40
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#define HAL_OFFSET(block, field) block ## _ ## field ## _OFFSET
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#define HAL_RX_FST_ENTRY_SIZE (NUM_OF_DWORDS_RX_FLOW_SEARCH_ENTRY * 4)
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/**
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* struct hal_rx_flow - Rx Flow parameters to be sent to HW
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* @tuple_info: Rx Flow 5-tuple (src & dest IP, src & dest ports, L4 protocol)
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* @reo_destination_handler: REO destination for this flow
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* @reo_destination_indication: REO indication for this flow
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* @fse_metadata: Flow metadata or tag passed to HW for marking packets
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*/
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struct hal_rx_flow {
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struct hal_flow_tuple_info tuple_info;
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uint8_t reo_destination_handler;
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uint8_t reo_destination_indication;
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uint32_t fse_metadata;
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};
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/**
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* struct hal_rx_fst - HAL RX Flow search table context
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* @base_vaddr: Virtual Base address of HW FST
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* @base_paddr: Physical Base address of HW FST
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* @key: Pointer to 320-bit Key read from cfg
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* @shifted_key: Pointer to left-shifted 320-bit Key used for Toeplitz Hash
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* @max_entries : Max number of entries in flow searchh table
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* @max_skid_length : Max search length if there is hash collision
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* @hash_mask: Hash mask to apply to index into FST
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* @key_cache: Toepliz Key Cache configured key
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* @add_flow_count: Add flow count
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* @del_flow_count: Delete flow count
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*/
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struct hal_rx_fst {
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uint8_t *base_vaddr;
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qdf_dma_addr_t base_paddr;
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uint8_t *key;
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#ifndef WLAN_SUPPORT_RX_FISA
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uint8_t shifted_key[HAL_FST_HASH_KEY_SIZE_BYTES];
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uint32_t key_cache[HAL_FST_HASH_KEY_SIZE_BYTES][1 << 8];
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#endif
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uint16_t max_entries;
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uint16_t max_skid_length;
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uint16_t hash_mask;
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uint32_t add_flow_count;
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uint32_t del_flow_count;
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};
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#endif /* HAL_RX_FLOW_DEFINES_H */
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