
In dp_get_vdev_from_soc_vdev_id_wifi3 add vdev list lock while traversing through pdev->vdev_list Change-Id: I24652a7a65247625b3a6da092476287bf8560e1b CRs-fixed: 2323655
202 строки
5.8 KiB
C
202 строки
5.8 KiB
C
/*
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* Copyright (c) 2016-2018 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 _DP_PEER_H_
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#define _DP_PEER_H_
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#include <qdf_types.h>
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#include <qdf_lock.h>
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#include "dp_types.h"
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#define DP_INVALID_PEER_ID 0xffff
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/**
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* __dp_peer_find_by_id() - Returns peer object given the peer id
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*
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* @soc : core DP soc context
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* @peer_id : peer id from peer object can be retrieved
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*
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* Return: struct dp_peer*: Pointer to DP peer object
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*/
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static inline struct dp_peer *
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__dp_peer_find_by_id(struct dp_soc *soc,
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uint16_t peer_id)
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{
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struct dp_peer *peer;
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/* TODO: Hold lock */
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peer = (peer_id >= soc->max_peers) ? NULL :
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soc->peer_id_to_obj_map[peer_id];
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return peer;
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}
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#ifdef PEER_PROTECTED_ACCESS
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/**
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* dp_peer_find_by_id() - Returns peer object given the peer id
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* if delete_in_progress in not set for peer
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*
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* @soc : core DP soc context
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* @peer_id : peer id from peer object can be retrieved
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*
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* Return: struct dp_peer*: Pointer to DP peer object
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*/
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static inline
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struct dp_peer *dp_peer_find_by_id(struct dp_soc *soc,
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uint16_t peer_id)
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{
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struct dp_peer *peer;
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qdf_spin_lock_bh(&soc->peer_ref_mutex);
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peer = __dp_peer_find_by_id(soc, peer_id);
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if (!peer || (peer && peer->delete_in_progress)) {
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qdf_spin_unlock_bh(&soc->peer_ref_mutex);
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return NULL;
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}
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qdf_atomic_inc(&peer->ref_cnt);
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qdf_spin_unlock_bh(&soc->peer_ref_mutex);
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return peer;
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}
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#else
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static inline struct dp_peer *
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dp_peer_find_by_id(struct dp_soc *soc,
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uint16_t peer_id)
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{
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struct dp_peer *peer;
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peer = __dp_peer_find_by_id (soc, peer_id);
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if (peer && peer->delete_in_progress) {
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return NULL;
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}
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return peer;
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}
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#endif /* PEER_LOCK_REF_PROTECT */
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void dp_rx_peer_map_handler(void *soc_handle, uint16_t peer_id,
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uint16_t hw_peer_id, uint8_t vdev_id,
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uint8_t *peer_mac_addr, uint16_t ast_hash,
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uint8_t is_wds);
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void dp_rx_peer_unmap_handler(void *soc_handle, uint16_t peer_id,
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uint8_t vdev_id, uint8_t *peer_mac_addr,
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uint8_t is_wds);
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void dp_rx_sec_ind_handler(void *soc_handle, uint16_t peer_id,
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enum htt_sec_type sec_type, int is_unicast,
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u_int32_t *michael_key, u_int32_t *rx_pn);
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uint8_t dp_get_peer_mac_addr_frm_id(struct cdp_soc_t *soc_handle,
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uint16_t peer_id, uint8_t *peer_mac);
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int dp_peer_add_ast(struct dp_soc *soc, struct dp_peer *peer,
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uint8_t *mac_addr, enum cdp_txrx_ast_entry_type type,
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uint32_t flags);
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void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry);
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void dp_peer_ast_unmap_handler(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
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struct dp_ast_entry *ast_entry, uint32_t flags);
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struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
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uint8_t *ast_mac_addr,
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uint8_t pdev_id);
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struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
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uint8_t *ast_mac_addr);
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struct dp_ast_entry *dp_peer_ast_list_find(struct dp_soc *soc,
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struct dp_peer *peer,
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uint8_t *ast_mac_addr);
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uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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void dp_peer_ast_set_type(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry,
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enum cdp_txrx_ast_entry_type type);
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#if defined(FEATURE_AST) && defined(AST_HKV1_WORKAROUND)
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void dp_peer_ast_set_cp_ctx(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry,
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void *cp_ctx);
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void *dp_peer_ast_get_cp_ctx(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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void dp_peer_ast_send_wds_del(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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bool dp_peer_ast_get_wmi_sent(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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void dp_peer_ast_free_entry(struct dp_soc *soc,
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struct dp_ast_entry *ast_entry);
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#endif
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/*
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* dp_get_vdev_from_soc_vdev_id_wifi3() -
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* Returns vdev object given the vdev id
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* vdev id is unique across pdev's
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*
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* @soc : core DP soc context
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* @vdev_id : vdev id from vdev object can be retrieved
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*
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* Return: struct dp_vdev*: Pointer to DP vdev object
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*/
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static inline struct dp_vdev *
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dp_get_vdev_from_soc_vdev_id_wifi3(struct dp_soc *soc,
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uint8_t vdev_id)
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{
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struct dp_pdev *pdev = NULL;
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struct dp_vdev *vdev = NULL;
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int i;
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for (i = 0; i < MAX_PDEV_CNT && soc->pdev_list[i]; i++) {
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pdev = soc->pdev_list[i];
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qdf_spin_lock_bh(&pdev->vdev_list_lock);
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TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) {
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if (vdev->vdev_id == vdev_id) {
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QDF_TRACE(QDF_MODULE_ID_DP,
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QDF_TRACE_LEVEL_INFO,
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FL("Found vdev 0x%pK on pdev %d"),
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vdev, i);
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qdf_spin_unlock_bh(&pdev->vdev_list_lock);
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return vdev;
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}
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}
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qdf_spin_unlock_bh(&pdev->vdev_list_lock);
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}
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return NULL;
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}
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/*
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* dp_peer_find_by_id_exist - check if peer exists for given id
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* @soc: core DP soc context
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* @peer_id: peer id from peer object can be retrieved
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*
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* Return: true if peer exists of false otherwise
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*/
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bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id);
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#endif /* _DP_PEER_H_ */
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