/*
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* DHD Linux header file (dhd_linux exports for cfg80211 and other components)
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*
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* Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
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*
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* Copyright (C) 1999-2017, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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*
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* <<Broadcom-WL-IPTag/Open:>>
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*
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* $Id: dhd_linux.h 701006 2017-05-23 08:25:04Z $
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*/
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/* wifi platform functions for power, interrupt and pre-alloc, either
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* from Android-like platform device data, or Broadcom wifi platform
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* device data.
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*
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*/
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#ifndef __DHD_LINUX_H__
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#define __DHD_LINUX_H__
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/fs.h>
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#include <dngl_stats.h>
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#include <dhd.h>
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 1))
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#include <linux/time64.h>
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#define get_monotonic_boottime ktime_get_boottime_ts64
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#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 1)) */
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/* Linux wireless extension support */
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#if defined(WL_WIRELESS_EXT)
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#include <wl_iw.h>
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#endif /* defined(WL_WIRELESS_EXT) */
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#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND)
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#include <linux/earlysuspend.h>
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#endif /* defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) */
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#if defined(CONFIG_WIFI_CONTROL_FUNC)
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#include <linux/wlan_plat.h>
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#endif // endif
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#ifdef PCIE_FULL_DONGLE
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#include <etd.h>
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#endif /* PCIE_FULL_DONGLE */
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#ifdef WL_MONITOR
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#include <bcmmsgbuf.h>
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#define MAX_RADIOTAP_SIZE 256 /* Maximum size to hold HE Radiotap header format */
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#define MAX_MON_PKT_SIZE (4096 + MAX_RADIOTAP_SIZE)
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#endif /* WL_MONITOR */
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#define FILE_DUMP_MAX_WAIT_TIME 4000
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#define htod32(i) (i)
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#define htod16(i) (i)
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#define dtoh32(i) (i)
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#define dtoh16(i) (i)
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#define htodchanspec(i) (i)
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#define dtohchanspec(i) (i)
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#ifdef BLOCK_IPV6_PACKET
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#define HEX_PREF_STR "0x"
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#define UNI_FILTER_STR "010000000000"
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#define ZERO_ADDR_STR "000000000000"
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#define ETHER_TYPE_STR "0000"
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#define IPV6_FILTER_STR "20"
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#define ZERO_TYPE_STR "00"
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#endif /* BLOCK_IPV6_PACKET */
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typedef struct dhd_if_event {
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struct list_head list;
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wl_event_data_if_t event;
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char name[IFNAMSIZ+1];
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uint8 mac[ETHER_ADDR_LEN];
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} dhd_if_event_t;
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/* Interface control information */
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typedef struct dhd_if {
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struct dhd_info *info; /* back pointer to dhd_info */
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/* OS/stack specifics */
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struct net_device *net;
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int idx; /* iface idx in dongle */
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uint subunit; /* subunit */
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uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */
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bool set_macaddress;
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bool set_multicast;
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uint8 bssidx; /* bsscfg index for the interface */
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bool attached; /* Delayed attachment when unset */
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bool txflowcontrol; /* Per interface flow control indicator */
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char name[IFNAMSIZ+1]; /* linux interface name */
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char dngl_name[IFNAMSIZ+1]; /* corresponding dongle interface name */
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struct net_device_stats stats;
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struct list_head sta_list; /* sll of associated stations */
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spinlock_t sta_list_lock; /* lock for manipulating sll */
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uint32 ap_isolate; /* ap-isolation settings */
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#ifdef DHD_L2_FILTER
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bool parp_enable;
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bool parp_discard;
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bool parp_allnode;
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arp_table_t *phnd_arp_table;
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/* for Per BSS modification */
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bool dhcp_unicast;
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bool block_ping;
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bool grat_arp;
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bool block_tdls;
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#endif /* DHD_L2_FILTER */
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#ifdef DHD_MCAST_REGEN
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bool mcast_regen_bss_enable;
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#endif // endif
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bool rx_pkt_chainable; /* set all rx packet to chainable config by default */
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cumm_ctr_t cumm_ctr; /* cummulative queue length of child flowrings */
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uint8 tx_paths_active;
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bool del_in_progress;
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bool static_if; /* used to avoid some operations on static_if */
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#ifdef DHD_4WAYM4_FAIL_DISCONNECT
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struct delayed_work m4state_work;
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atomic_t m4state;
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#endif /* DHD_4WAYM4_FAIL_DISCONNECT */
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#ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT
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bool recv_reassoc_evt;
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bool post_roam_evt;
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#endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */
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#ifdef DHDTCPSYNC_FLOOD_BLK
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uint32 tsync_rcvd;
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uint32 tsyncack_txed;
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u64 last_sync;
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struct work_struct blk_tsfl_work;
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#endif /* DHDTCPSYNC_FLOOD_BLK */
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#if defined(BCMSDIO)
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int role;
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#endif /* BCMSDIO */
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} dhd_if_t;
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struct ipv6_work_info_t {
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uint8 if_idx;
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char ipv6_addr[IPV6_ADDR_LEN];
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unsigned long event;
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};
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typedef struct dhd_dump {
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uint8 *buf;
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int bufsize;
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uint8 *hscb_buf;
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int hscb_bufsize;
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} dhd_dump_t;
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#ifdef DNGL_AXI_ERROR_LOGGING
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typedef struct dhd_axi_error_dump {
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ulong fault_address;
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uint32 axid;
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struct hnd_ext_trap_axi_error_v1 etd_axi_error_v1;
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} dhd_axi_error_dump_t;
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#endif /* DNGL_AXI_ERROR_LOGGING */
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#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
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struct dhd_rx_tx_work {
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struct work_struct work;
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struct sk_buff *skb;
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struct net_device *net;
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struct dhd_pub *pub;
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};
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#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
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#if defined(DHD_LB)
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#if !defined(PCIE_FULL_DONGLE)
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#error "DHD Loadbalancing only supported on PCIE_FULL_DONGLE"
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#endif /* !PCIE_FULL_DONGLE */
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#endif /* DHD_LB */
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#if defined(DHD_LB_RXP) || defined(DHD_LB_RXC) || defined(DHD_LB_TXC) || \
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defined(DHD_LB_STATS)
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#if !defined(DHD_LB)
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#error "DHD loadbalance derivatives are supported only if DHD_LB is defined"
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#endif /* !DHD_LB */
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#endif /* DHD_LB_RXP || DHD_LB_RXC || DHD_LB_TXC || DHD_LB_STATS */
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#if defined(DHD_LB)
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/* Dynamic CPU selection for load balancing */
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#include <linux/cpu.h>
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#include <linux/cpumask.h>
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#include <linux/notifier.h>
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#include <linux/workqueue.h>
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#include <asm/atomic.h>
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#if !defined(DHD_LB_PRIMARY_CPUS)
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#define DHD_LB_PRIMARY_CPUS 0x0 /* Big CPU coreids mask */
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#endif // endif
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#if !defined(DHD_LB_SECONDARY_CPUS)
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#define DHD_LB_SECONDARY_CPUS 0xFE /* Little CPU coreids mask */
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#endif // endif
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#define HIST_BIN_SIZE 9
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#if defined(DHD_LB_TXP)
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/* Pkttag not compatible with PROP_TXSTATUS or WLFC */
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typedef struct dhd_tx_lb_pkttag_fr {
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struct net_device *net;
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int ifidx;
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} dhd_tx_lb_pkttag_fr_t;
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#define DHD_LB_TX_PKTTAG_SET_NETDEV(tag, netdevp) ((tag)->net = netdevp)
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#define DHD_LB_TX_PKTTAG_NETDEV(tag) ((tag)->net)
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#define DHD_LB_TX_PKTTAG_SET_IFIDX(tag, ifidx) ((tag)->ifidx = ifidx)
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#define DHD_LB_TX_PKTTAG_IFIDX(tag) ((tag)->ifidx)
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#endif /* DHD_LB_TXP */
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#endif /* DHD_LB */
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#ifdef FILTER_IE
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#define FILTER_IE_PATH "/etc/wifi/filter_ie"
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#define FILTER_IE_BUFSZ 1024 /* ioc buffsize for FILTER_IE */
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#define FILE_BLOCK_READ_SIZE 256
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#define WL_FILTER_IE_IOV_HDR_SIZE OFFSETOF(wl_filter_ie_iov_v1_t, tlvs)
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#endif /* FILTER_IE */
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#define NULL_CHECK(p, s, err) \
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do { \
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if (!(p)) { \
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printk("NULL POINTER (%s) : %s\n", __FUNCTION__, (s)); \
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err = BCME_ERROR; \
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return err; \
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} \
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} while (0)
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typedef struct wifi_adapter_info {
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const char *name;
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uint irq_num;
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uint intr_flags;
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const char *fw_path;
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const char *nv_path;
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void *wifi_plat_data; /* wifi ctrl func, for backward compatibility */
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uint bus_type;
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int index;
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uint bus_num;
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uint slot_num;
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int gpio_wl_reg_on;
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int gpio_wl_host_wake;
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#if defined(BT_OVER_SDIO)
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const char *btfw_path;
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#endif /* defined (BT_OVER_SDIO) */
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} wifi_adapter_info_t;
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#if !defined(CONFIG_WIFI_CONTROL_FUNC)
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#define WLAN_PLAT_NODFS_FLAG 0x01
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#define WLAN_PLAT_AP_FLAG 0x02
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struct wifi_platform_data {
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int (*set_power)(int val, wifi_adapter_info_t *adapter);
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int (*set_reset)(int val);
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int (*set_carddetect)(int val);
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void *(*mem_prealloc)(int section, unsigned long size);
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int (*get_mac_addr)(unsigned char *buf);
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#ifdef BCMSDIO
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int (*get_wake_irq)(void);
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#endif // endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 58)) || defined(CUSTOM_COUNTRY_CODE)
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void *(*get_country_code)(char *ccode, u32 flags);
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#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 58)) || defined (CUSTOM_COUNTRY_CODE) */
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void *(*get_country_code)(char *ccode);
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#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 58)) */
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};
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#endif /* CONFIG_WIFI_CONTROL_FUNC */
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#define DHD_REGISTRATION_TIMEOUT 12000 /* msec : allowed time to finished dhd registration */
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typedef struct bcmdhd_wifi_platdata {
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uint num_adapters;
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wifi_adapter_info_t *adapters;
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} bcmdhd_wifi_platdata_t;
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/** Per STA params. A list of dhd_sta objects are managed in dhd_if */
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typedef struct dhd_sta {
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cumm_ctr_t cumm_ctr; /* cummulative queue length of child flowrings */
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uint16 flowid[NUMPRIO]; /* allocated flow ring ids (by priority) */
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void * ifp; /* associated dhd_if */
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struct ether_addr ea; /* stations ethernet mac address */
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struct list_head list; /* link into dhd_if::sta_list */
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int idx; /* index of self in dhd_pub::sta_pool[] */
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int ifidx; /* index of interface in dhd */
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} dhd_sta_t;
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typedef dhd_sta_t dhd_sta_pool_t;
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#ifdef DHD_4WAYM4_FAIL_DISCONNECT
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typedef enum {
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M3_RXED,
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M4_TXFAILED
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} msg_4way_state_t;
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#define MAX_4WAY_TIMEOUT_MS 2000
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#endif /* DHD_4WAYM4_FAIL_DISCONNECT */
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#ifdef DHD_SEND_HANG_PRIVCMD_ERRORS
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extern uint32 report_hang_privcmd_err;
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#endif /* DHD_SEND_HANG_PRIVCMD_ERRORS */
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#if defined(ARGOS_NOTIFY_CB)
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int argos_register_notifier_init(struct net_device *net);
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int argos_register_notifier_deinit(void);
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extern int sec_argos_register_notifier(struct notifier_block *n, char *label);
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extern int sec_argos_unregister_notifier(struct notifier_block *n, char *label);
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typedef struct {
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struct net_device *wlan_primary_netdev;
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int argos_rps_cpus_enabled;
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} argos_rps_ctrl;
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#define RPS_TPUT_THRESHOLD 300
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#define DELAY_TO_CLEAR_RPS_CPUS 300
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#endif // endif
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#if defined(BT_OVER_SDIO)
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extern void wl_android_set_wifi_on_flag(bool enable);
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#endif /* BT_OVER_SDIO */
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#ifdef DHD_LOG_DUMP
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/* 0: DLD_BUF_TYPE_GENERAL, 1: DLD_BUF_TYPE_PRESERVE
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* 2: DLD_BUF_TYPE_SPECIAL
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*/
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#define DLD_BUFFER_NUM 3
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#ifndef CUSTOM_LOG_DUMP_BUFSIZE_MB
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#define CUSTOM_LOG_DUMP_BUFSIZE_MB 4 /* DHD_LOG_DUMP_BUF_SIZE 4 MB static memory in kernel */
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#endif /* CUSTOM_LOG_DUMP_BUFSIZE_MB */
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#define LOG_DUMP_TOTAL_BUFSIZE (1024 * 1024 * CUSTOM_LOG_DUMP_BUFSIZE_MB)
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/*
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* Below are different sections that use the prealloced buffer
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* and sum of the sizes of these should not cross LOG_DUMP_TOTAL_BUFSIZE
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*/
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#define LOG_DUMP_GENERAL_MAX_BUFSIZE (256 * 1024 * CUSTOM_LOG_DUMP_BUFSIZE_MB)
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#define LOG_DUMP_PRESERVE_MAX_BUFSIZE (128 * 1024 * CUSTOM_LOG_DUMP_BUFSIZE_MB)
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#define LOG_DUMP_ECNTRS_MAX_BUFSIZE (256 * 1024 * CUSTOM_LOG_DUMP_BUFSIZE_MB)
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#define LOG_DUMP_RTT_MAX_BUFSIZE (256 * 1024 * CUSTOM_LOG_DUMP_BUFSIZE_MB)
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#define LOG_DUMP_FILTER_MAX_BUFSIZE (128 * 1024 * CUSTOM_LOG_DUMP_BUFSIZE_MB)
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#if LOG_DUMP_TOTAL_BUFSIZE < (LOG_DUMP_GENERAL_MAX_BUFSIZE + \
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LOG_DUMP_PRESERVE_MAX_BUFSIZE + LOG_DUMP_ECNTRS_MAX_BUFSIZE + LOG_DUMP_RTT_MAX_BUFSIZE \
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+ LOG_DUMP_FILTER_MAX_BUFSIZE)
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#error "LOG_DUMP_TOTAL_BUFSIZE is lesser than sum of all rings"
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#endif // endif
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/* Special buffer is allocated as separately in prealloc */
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#define LOG_DUMP_SPECIAL_MAX_BUFSIZE (8 * 1024)
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#define LOG_DUMP_MAX_FILESIZE (8 *1024 * 1024) /* 8 MB default */
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#ifdef CONFIG_LOG_BUF_SHIFT
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/* 15% of kernel log buf size, if for example klog buf size is 512KB
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* 15% of 512KB ~= 80KB
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*/
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#define LOG_DUMP_KERNEL_TAIL_FLUSH_SIZE \
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(15 * ((1 << CONFIG_LOG_BUF_SHIFT)/100))
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#endif /* CONFIG_LOG_BUF_SHIFT */
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#define LOG_DUMP_COOKIE_BUFSIZE 1024u
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typedef struct {
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char *hdr_str;
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log_dump_section_type_t sec_type;
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} dld_hdr_t;
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typedef struct {
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int attr;
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char *hdr_str;
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log_dump_section_type_t sec_type;
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int log_type;
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} dld_log_hdr_t;
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#define DHD_PRINT_BUF_NAME_LEN 30
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#endif /* DHD_LOG_DUMP */
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int dhd_wifi_platform_register_drv(void);
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void dhd_wifi_platform_unregister_drv(void);
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wifi_adapter_info_t* dhd_wifi_platform_get_adapter(uint32 bus_type, uint32 bus_num,
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uint32 slot_num);
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int wifi_platform_set_power(wifi_adapter_info_t *adapter, bool on, unsigned long msec);
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int wifi_platform_bus_enumerate(wifi_adapter_info_t *adapter, bool device_present);
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int wifi_platform_get_irq_number(wifi_adapter_info_t *adapter, unsigned long *irq_flags_ptr);
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int wifi_platform_get_mac_addr(wifi_adapter_info_t *adapter, unsigned char *buf);
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#ifdef CUSTOM_COUNTRY_CODE
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void *wifi_platform_get_country_code(wifi_adapter_info_t *adapter, char *ccode,
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u32 flags);
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#else
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void *wifi_platform_get_country_code(wifi_adapter_info_t *adapter, char *ccode);
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#endif /* CUSTOM_COUNTRY_CODE */
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void* wifi_platform_prealloc(wifi_adapter_info_t *adapter, int section, unsigned long size);
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void* wifi_platform_get_prealloc_func_ptr(wifi_adapter_info_t *adapter);
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int dhd_get_fw_mode(struct dhd_info *dhdinfo);
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bool dhd_update_fw_nv_path(struct dhd_info *dhdinfo);
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#if defined(BT_OVER_SDIO)
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int dhd_net_bus_get(struct net_device *dev);
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int dhd_net_bus_put(struct net_device *dev);
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#endif /* BT_OVER_SDIO */
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#if defined(WLADPS) || defined(WLADPS_PRIVATE_CMD)
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#define ADPS_ENABLE 1
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#define ADPS_DISABLE 0
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int dhd_enable_adps(dhd_pub_t *dhd, uint8 on);
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#endif /* WLADPS || WLADPS_PRIVATE_CMD */
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#ifdef DHDTCPSYNC_FLOOD_BLK
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extern void dhd_reset_tcpsync_info_by_ifp(dhd_if_t *ifp);
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extern void dhd_reset_tcpsync_info_by_dev(struct net_device *dev);
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#endif /* DHDTCPSYNC_FLOOD_BLK */
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int compat_kernel_read(struct file *file, loff_t offset, char *addr, unsigned long count);
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#endif /* __DHD_LINUX_H__ */
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