Files
android_kernel_samsung_sm86…/hal/wifi3.0/hal_rx_flow_info.h
Jinwei Chen 50e10cff51 qcacmn: Remove hash key related member in hal_rx_fst
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
2020-07-20 17:15:45 -07:00

70 lines
2.5 KiB
C

/*
* Copyright (c) 2019-2020 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 __HAL_RX_FLOW_DEFINES_H
#define __HAL_RX_FLOW_DEFINES_H
#define HAL_FST_HASH_KEY_SIZE_BYTES 40
#define HAL_OFFSET(block, field) block ## _ ## field ## _OFFSET
#define HAL_RX_FST_ENTRY_SIZE (NUM_OF_DWORDS_RX_FLOW_SEARCH_ENTRY * 4)
/**
* struct hal_rx_flow - Rx Flow parameters to be sent to HW
* @tuple_info: Rx Flow 5-tuple (src & dest IP, src & dest ports, L4 protocol)
* @reo_destination_handler: REO destination for this flow
* @reo_destination_indication: REO indication for this flow
* @fse_metadata: Flow metadata or tag passed to HW for marking packets
*/
struct hal_rx_flow {
struct hal_flow_tuple_info tuple_info;
uint8_t reo_destination_handler;
uint8_t reo_destination_indication;
uint32_t fse_metadata;
};
/**
* struct hal_rx_fst - HAL RX Flow search table context
* @base_vaddr: Virtual Base address of HW FST
* @base_paddr: Physical Base address of HW FST
* @key: Pointer to 320-bit Key read from cfg
* @shifted_key: Pointer to left-shifted 320-bit Key used for Toeplitz Hash
* @max_entries : Max number of entries in flow searchh table
* @max_skid_length : Max search length if there is hash collision
* @hash_mask: Hash mask to apply to index into FST
* @key_cache: Toepliz Key Cache configured key
* @add_flow_count: Add flow count
* @del_flow_count: Delete flow count
*/
struct hal_rx_fst {
uint8_t *base_vaddr;
qdf_dma_addr_t base_paddr;
uint8_t *key;
#ifndef WLAN_SUPPORT_RX_FISA
uint8_t shifted_key[HAL_FST_HASH_KEY_SIZE_BYTES];
uint32_t key_cache[HAL_FST_HASH_KEY_SIZE_BYTES][1 << 8];
#endif
uint16_t max_entries;
uint16_t max_skid_length;
uint16_t hash_mask;
uint32_t add_flow_count;
uint32_t del_flow_count;
};
#endif /* HAL_RX_FLOW_DEFINES_H */