24f86413a4
Peer wlanstats context was accessed directly without any protection, if peer was deleted there was no way to know if PPDU cookie holds correct wlanstats ctx Hence to protect the peer wlanstats ctx access it using CDP API using stats context protection CRs-Fixed: 2740231 Change-Id: I9b07970c691099f3c9b0175d550508b50db9ac8a
302 lines
8.3 KiB
C
302 lines
8.3 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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/**
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* @file: dp_rate_stats.h
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* @brief: Define peer rate statistics related objects and APIs
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*/
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#ifndef _DP_RATE_STATS_
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#define _DP_RATE_STATS_
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#include <cdp_txrx_handle.h>
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#include <qdf_nbuf.h>
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#include <wdi_event_api.h>
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#ifdef QCA_SUPPORT_RDK_STATS
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#include <qdf_util.h>
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#include <cdp_txrx_cmn_struct.h>
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#include <cdp_txrx_cmn.h>
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#include <dp_ratetable.h>
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#include <dp_rate_stats_pub.h>
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#define RATE_STATS_LOCK_CREATE(lock) qdf_spinlock_create(lock)
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#define RATE_STATS_LOCK_DESTROY(lock) qdf_spinlock_destroy(lock)
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#define RATE_STATS_LOCK_ACQUIRE(lock) qdf_spin_lock_bh(lock)
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#define RATE_STATS_LOCK_RELEASE(lock) qdf_spin_unlock_bh(lock)
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#define STATS_CTX_LOCK_CREATE(lock) qdf_spinlock_create(lock)
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#define STATS_CTX_LOCK_DESTROY(lock) qdf_spinlock_destroy(lock)
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#define STATS_CTX_LOCK_ACQUIRE(lock) qdf_spin_lock_bh(lock)
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#define STATS_CTX_LOCK_RELEASE(lock) qdf_spin_unlock_bh(lock)
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struct cdp_pdev;
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/**
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* enum dp_ppdu_type - enum for ppdu_type
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* @DP_PPDU_TYPE_SU: single user PPDU
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* @DP_PPDU_TYPE_MU_MIMO: multi user mimo ppdu
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* @DP_PPDU_TYPE_MU_OFDMA: multi user ofdma ppdu
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* @DP_PPDU_TYPE_MU_OFDMA_MIMO: multi user mimo/ofdma ppdu
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*/
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enum dp_ppdu_type {
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DP_PPDU_TYPE_SU,
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DP_PPDU_TYPE_MU_MIMO,
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DP_PPDU_TYPE_MU_OFDMA,
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DP_PPDU_TYPE_MU_OFDMA_MIMO,
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};
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/**
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* struct wlan_peer_tx_rate_stats - peer tx rate statistics
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* @stats: array containing tx rate stats
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* @cur_rix: rate index updated last in list
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* @lock: lock protecting list
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* @sojourn: sojourn statistics
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*/
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struct wlan_peer_tx_rate_stats {
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struct wlan_tx_rate_stats stats[WLANSTATS_CACHE_SIZE];
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struct wlan_tx_sojourn_stats sojourn;
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uint32_t cur_rix;
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uint8_t cur_cache_idx;
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qdf_spinlock_t lock;
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};
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/**
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* struct wlan_peer_rx_rate_stats - Peer Rx rate statistics
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* @stats: array containing rx rate stats
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* @cur_rix: rate index updated last in list
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* @lock: lock protecting list
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*/
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struct wlan_peer_rx_rate_stats {
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struct wlan_rx_rate_stats stats[WLANSTATS_CACHE_SIZE];
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uint32_t cur_rix;
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uint32_t cur_cache_idx;
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qdf_spinlock_t lock;
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};
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/**
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* struct wlan_peer_rx_link_stats - Peer Rx Link statistics
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* @stats: array containing rx rate stats
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* @lock: lock protecting list
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*/
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struct wlan_peer_rx_link_stats {
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struct wlan_rx_link_stats stats;
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qdf_spinlock_t lock;
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};
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/**
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* struct wlan_peer_tx_link_stats - Peer Tx Link statistics
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* @stats: array containing rx rate stats
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* @lock: lock protecting list
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*/
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struct wlan_peer_tx_link_stats {
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struct wlan_tx_link_stats stats;
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qdf_spinlock_t lock;
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};
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/**
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* struct wlan_peer_rate_stats - Rate statistics
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* @tx: tx rate statistics
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* @rx: rx rate statistics
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*/
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struct wlan_peer_rate_stats {
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struct wlan_peer_tx_rate_stats tx;
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struct wlan_peer_rx_rate_stats rx;
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};
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/**
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* struct wlan_peer_link_metrics - Peer link metrics
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* @tx: tx link quality stats
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* @rx: rx link quality stats
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*/
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struct wlan_peer_link_metrics {
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struct wlan_peer_tx_link_stats tx;
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struct wlan_peer_rx_link_stats rx;
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};
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/**
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* struct wlan_peer_rate_stats_ctx - Peer statistics context
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* @rate_stats: Rate statistics (version 1 stats)
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* @link_metrics: Link Metrics (version 2 stats)
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* @mac_addr: peer MAC address
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* @peer_cookie: cookie for unique session of peer
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* @pdev_id: id of dp pdev
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*/
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struct wlan_peer_rate_stats_ctx {
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struct wlan_peer_rate_stats *rate_stats;
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struct wlan_peer_link_metrics *link_metrics;
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uint8_t mac_addr[WLAN_MAC_ADDR_LEN];
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uint64_t peer_cookie;
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uint8_t pdev_id;
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};
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/**
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* enum rdk_stats_version - Peer statistics versions
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* @RDK_STATS_DISABLED: peer statistics disabled
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* @RDK_RATE_STATS: peer rate statistics enabled
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* @RDK_LINK_STATS: peer link metrics enabled
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* @RDK_ALL_STATS: peer all statistics enabled
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*/
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enum rdk_stats_version {
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RDK_STATS_DISABLED = 0,
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RDK_RATE_STATS = 1,
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RDK_LINK_STATS = 2,
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RDK_ALL_STATS = 3,
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};
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/**
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* struct wlan_soc_rate_stats_ctx - rate stats context at soc level
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* @soc: Opaque soc handle
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* @txs_cache_flush: tx stats flush count
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* @rxs_cache_flush: rx stats flush count
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* @txs_last_idx_cache_hit: cache hit for rate index received as last rate index
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* @txs_cache_hit: tx stats cache hit for rate index received from cache db
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* @rxs_last_idx_cache_hit: cache hit for rate index received as last rate index
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* @rxs_cache_hit: cache hit for rate index received from cache database
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* @txs_cache_miss: rate index recevied is not in cache database
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* @rxs_cache_miss: rate index recevied is not in cache database
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* @stats_ver: peer statistics version
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* @is_lithium: is lithium or legacy
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* @tx_ctx_lock: tx context soc level lock
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* @rx_ctx_lock: rx context soc level lock
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*/
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struct wlan_soc_rate_stats_ctx {
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struct cdp_soc_t *soc;
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uint32_t txs_cache_flush;
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uint32_t rxs_cache_flush;
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uint32_t txs_last_idx_cache_hit;
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uint32_t txs_cache_hit;
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uint32_t rxs_last_idx_cache_hit;
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uint32_t rxs_cache_hit;
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uint32_t txs_cache_miss;
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uint32_t rxs_cache_miss;
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enum rdk_stats_version stats_ver;
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bool is_lithium;
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qdf_spinlock_t tx_ctx_lock;
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qdf_spinlock_t rx_ctx_lock;
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};
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/**
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* wlan_peer_update_rate_stats ()- WDI handler to update rate stats
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* @ctx: soc level stats context
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* @event: WDI event enum
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* @stats: buffer containing cdp_peer_tx_rate_stats_intf or
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* cdp_peer_rx_rate_stats_intf
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* @peer_id: peer id
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* @type: enum wlan_rate_stats_type
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*/
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void wlan_peer_update_rate_stats(void *ctx,
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enum WDI_EVENT event,
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void *stats, uint16_t peer_id,
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uint32_t type);
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/**
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* wlan_cfg80211_flush_rate_stats ()- os_if layer handler to
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* flush rate statistics
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* @pdev: Ctrl pdev
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* @event: WDI event enum
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* @ptr: Stats buffer
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* @peer_id: peer id
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* @status: status
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*/
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void wlan_cfg80211_flush_rate_stats(void *ctrl_pdev, enum WDI_EVENT event,
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void *ptr, uint16_t peer_id,
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uint32_t status);
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/**
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* wlan_peer_create_event_handler ()- peer create event handler
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* to initialize statistics objects
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* @pdev: Ctrl pdev
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* @event: WDI event enum
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* @peer_mac: Peer MAC address
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* @buf: Stats buffer
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* @peer_id: peer id
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* @status: status
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*/
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void wlan_peer_create_event_handler(void *pdev, enum WDI_EVENT event,
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void *buf, uint16_t peer_id,
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uint32_t status);
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/**
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* wlan_peer_destroy_event_handler ()- peer destroy event handler
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* to deinitilize statistics objects
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* @pdev: Ctrl pdev
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* @event: WDI event enum
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* @peer_mac: Peer MAC address
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* @buf: Stats buffer
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* @peer_id: peer id
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* @status: status
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*/
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void wlan_peer_destroy_event_handler(void *pdev, enum WDI_EVENT event,
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void *buf, uint16_t peer_id,
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uint32_t status);
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/**
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* wlan_peer_rate_stats_flush_req ()- stats flush request event handler
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* This flushes statistics to user space entity
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* @pdev: Ctrl pdev
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* @event: WDI event enum
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* @buf: Stats buffer
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* @peer_id: peer id
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* @status: status
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*/
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void wlan_peer_rate_stats_flush_req(void *pdev, enum WDI_EVENT event,
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void *buf, uint16_t peer_id,
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uint32_t status);
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#else
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static inline void
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wlan_peer_update_rate_stats(void *pdev, enum WDI_EVENT event,
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void *stats, uint16_t peer_id,
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uint32_t type)
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{
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}
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static inline void
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wlan_cfg80211_flush_rate_stats(void *ctrl_pdev, enum WDI_EVENT event,
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void *ptr, uint16_t peer_id,
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uint32_t status)
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{
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}
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static inline void
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wlan_peer_create_event_handler(void *pdev, enum WDI_EVENT event,
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void *buf, uint16_t peer_id,
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uint32_t type)
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{
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}
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static inline void
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wlan_peer_destroy_event_handler(void *pdev, enum WDI_EVENT event,
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void *buf, uint16_t peer_id,
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uint32_t type)
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{
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}
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static inline void
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wlan_peer_rate_stats_flush_req(void *pdev,
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enum WDI_EVENT event,
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void *buf, uint16_t peer_id,
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uint32_t type)
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{
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}
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#endif /* QCA_SUPPORT_RDK_STATS */
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#endif /* _DP_RATE_STATS_ */
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