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2d67497cfb13ec55fce35b0f96d3bd34d401a78c
android_kernel_samsung_sm86…/dp/wifi3.0/dp_peer.c
Ruben Columbus d8334769f4 qcacmn: qref debug memory tracker 
add multiple history array to keep track of mem allocation and
deallocation for qref table.

Change-Id: I9fa97fbe5a5c36509cbb5a458851a152200318a5
CRs-Fixed: 3475981
2023-06-05 20:24:08 -07:00

4024 regels
105 KiB
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/*
* Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. 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.
*/
#include <qdf_types.h>
#include <qdf_lock.h>
#include <hal_hw_headers.h>
#include "dp_htt.h"
#include "dp_types.h"
#include "dp_internal.h"
#include "dp_peer.h"
#include "dp_rx_defrag.h"
#include "dp_rx.h"
#include <hal_api.h>
#include <hal_reo.h>
#include <cdp_txrx_handle.h>
#include <wlan_cfg.h>
#ifdef WIFI_MONITOR_SUPPORT
#include <dp_mon.h>
#endif
#ifdef FEATURE_WDS
#include "dp_txrx_wds.h"
#endif
#include <qdf_module.h>
#ifdef QCA_PEER_EXT_STATS
#include "dp_hist.h"
#endif
#ifdef BYPASS_OL_OPS
#include <target_if_dp.h>
#endif
#ifdef FEATURE_AST
#ifdef BYPASS_OL_OPS
/**
* dp_add_wds_entry_wrapper() - Add new AST entry for the wds station
* @soc: DP soc structure pointer
* @peer: dp peer structure
* @dest_macaddr: MAC address of ast node
* @flags: wds or hmwds
* @type: type from enum cdp_txrx_ast_entry_type
*
* This API is used by WDS source port learning function to
* add a new AST entry in the fw.
*
* Return: 0 on success, error code otherwise.
*/
static int dp_add_wds_entry_wrapper(struct dp_soc *soc,
struct dp_peer *peer,
const uint8_t *dest_macaddr,
uint32_t flags,
uint8_t type)
{
QDF_STATUS status;
status = target_if_add_wds_entry(soc->ctrl_psoc,
peer->vdev->vdev_id,
peer->mac_addr.raw,
dest_macaddr,
WMI_HOST_WDS_FLAG_STATIC,
type);
return qdf_status_to_os_return(status);
}
/**
* dp_update_wds_entry_wrapper() - update an existing wds entry with new peer
* @soc: DP soc structure pointer
* @peer: dp peer structure
* @dest_macaddr: MAC address of ast node
* @flags: wds or hmwds
*
* This API is used by update the peer mac address for the ast
* in the fw.
*
* Return: 0 on success, error code otherwise.
*/
static int dp_update_wds_entry_wrapper(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t *dest_macaddr,
uint32_t flags)
{
QDF_STATUS status;
status = target_if_update_wds_entry(soc->ctrl_psoc,
peer->vdev->vdev_id,
dest_macaddr,
peer->mac_addr.raw,
WMI_HOST_WDS_FLAG_STATIC);
return qdf_status_to_os_return(status);
}
/**
* dp_del_wds_entry_wrapper() - delete a WSD AST entry
* @soc: DP soc structure pointer
* @vdev_id: vdev_id
* @wds_macaddr: MAC address of ast node
* @type: type from enum cdp_txrx_ast_entry_type
* @delete_in_fw: Flag to indicate if entry needs to be deleted in fw
*
* This API is used to delete an AST entry from fw
*
* Return: None
*/
void dp_del_wds_entry_wrapper(struct dp_soc *soc,
uint8_t vdev_id,
uint8_t *wds_macaddr,
uint8_t type,
uint8_t delete_in_fw)
{
target_if_del_wds_entry(soc->ctrl_psoc, vdev_id,
wds_macaddr, type, delete_in_fw);
}
#else
static int dp_add_wds_entry_wrapper(struct dp_soc *soc,
struct dp_peer *peer,
const uint8_t *dest_macaddr,
uint32_t flags,
uint8_t type)
{
int status;
status = soc->cdp_soc.ol_ops->peer_add_wds_entry(
soc->ctrl_psoc,
peer->vdev->vdev_id,
peer->mac_addr.raw,
peer->peer_id,
dest_macaddr,
peer->mac_addr.raw,
flags,
type);
return status;
}
static int dp_update_wds_entry_wrapper(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t *dest_macaddr,
uint32_t flags)
{
int status;
status = soc->cdp_soc.ol_ops->peer_update_wds_entry(
soc->ctrl_psoc,
peer->vdev->vdev_id,
dest_macaddr,
peer->mac_addr.raw,
flags);
return status;
}
void dp_del_wds_entry_wrapper(struct dp_soc *soc,
uint8_t vdev_id,
uint8_t *wds_macaddr,
uint8_t type,
uint8_t delete_in_fw)
{
soc->cdp_soc.ol_ops->peer_del_wds_entry(soc->ctrl_psoc,
vdev_id,
wds_macaddr,
type,
delete_in_fw);
}
#endif /* BYPASS_OL_OPS */
#else
void dp_del_wds_entry_wrapper(struct dp_soc *soc,
uint8_t vdev_id,
uint8_t *wds_macaddr,
uint8_t type,
uint8_t delete_in_fw)
{
}
#endif /* FEATURE_AST */
#ifdef FEATURE_WDS
static inline bool
dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
/* if peer map v2 is enabled we are not freeing ast entry
* here and it is supposed to be freed in unmap event (after
* we receive delete confirmation from target)
*
* if peer_id is invalid we did not get the peer map event
* for the peer free ast entry from here only in this case
*/
if ((ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC) &&
(ast_entry->type != CDP_TXRX_AST_TYPE_SELF))
return true;
return false;
}
#else
static inline bool
dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
return false;
}
void dp_soc_wds_attach(struct dp_soc *soc)
{
}
void dp_soc_wds_detach(struct dp_soc *soc)
{
}
#endif
#ifdef QCA_SUPPORT_WDS_EXTENDED
bool dp_peer_check_wds_ext_peer(struct dp_peer *peer)
{
struct dp_vdev *vdev = peer->vdev;
struct dp_txrx_peer *txrx_peer;
if (!vdev->wds_ext_enabled)
return false;
txrx_peer = dp_get_txrx_peer(peer);
if (!txrx_peer)
return false;
if (qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT,
&txrx_peer->wds_ext.init))
return true;
return false;
}
#else
bool dp_peer_check_wds_ext_peer(struct dp_peer *peer)
{
return false;
}
#endif
QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc)
{
uint32_t max_ast_index;
max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx);
/* allocate ast_table for ast entry to ast_index map */
dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index);
soc->ast_table = qdf_mem_malloc(max_ast_index *
sizeof(struct dp_ast_entry *));
if (!soc->ast_table) {
dp_peer_err("%pK: ast_table memory allocation failed", soc);
return QDF_STATUS_E_NOMEM;
}
return QDF_STATUS_SUCCESS; /* success */
}
/**
* dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map
* @soc: soc handle
*
* return: QDF_STATUS
*/
static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc)
{
uint32_t max_peers, peer_map_size;
max_peers = soc->max_peer_id;
/* allocate the peer ID -> peer object map */
dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers);
peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]);
soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size);
if (!soc->peer_id_to_obj_map) {
dp_peer_err("%pK: peer map memory allocation failed", soc);
return QDF_STATUS_E_NOMEM;
}
/*
* The peer_id_to_obj_map doesn't really need to be initialized,
* since elements are only used after they have been individually
* initialized.
* However, it is convenient for debugging to have all elements
* that are not in use set to 0.
*/
qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size);
qdf_spinlock_create(&soc->peer_map_lock);
return QDF_STATUS_SUCCESS; /* success */
}
#define DP_AST_HASH_LOAD_MULT 2
#define DP_AST_HASH_LOAD_SHIFT 0
static inline uint32_t
dp_peer_find_hash_index(struct dp_soc *soc,
union dp_align_mac_addr *mac_addr)
{
uint32_t index;
index =
mac_addr->align2.bytes_ab ^
mac_addr->align2.bytes_cd ^
mac_addr->align2.bytes_ef;
index ^= index >> soc->peer_hash.idx_bits;
index &= soc->peer_hash.mask;
return index;
}
struct dp_peer *dp_peer_find_hash_find(
struct dp_soc *soc, uint8_t *peer_mac_addr,
int mac_addr_is_aligned, uint8_t vdev_id,
enum dp_mod_id mod_id)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
uint32_t index;
struct dp_peer *peer;
if (!soc->peer_hash.bins)
return NULL;
if (mac_addr_is_aligned) {
mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
} else {
qdf_mem_copy(
&local_mac_addr_aligned.raw[0],
peer_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
}
index = dp_peer_find_hash_index(soc, mac_addr);
qdf_spin_lock_bh(&soc->peer_hash_lock);
TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
((peer->vdev->vdev_id == vdev_id) ||
(vdev_id == DP_VDEV_ALL))) {
/* take peer reference before returning */
if (dp_peer_get_ref(soc, peer, mod_id) !=
QDF_STATUS_SUCCESS)
peer = NULL;
qdf_spin_unlock_bh(&soc->peer_hash_lock);
return peer;
}
}
qdf_spin_unlock_bh(&soc->peer_hash_lock);
return NULL; /* failure */
}
qdf_export_symbol(dp_peer_find_hash_find);
#ifdef WLAN_FEATURE_11BE_MLO
/**
* dp_peer_find_hash_detach() - cleanup memory for peer_hash table
* @soc: soc handle
*
* return: none
*/
static void dp_peer_find_hash_detach(struct dp_soc *soc)
{
if (soc->peer_hash.bins) {
qdf_mem_free(soc->peer_hash.bins);
soc->peer_hash.bins = NULL;
qdf_spinlock_destroy(&soc->peer_hash_lock);
}
if (soc->arch_ops.mlo_peer_find_hash_detach)
soc->arch_ops.mlo_peer_find_hash_detach(soc);
}
/**
* dp_peer_find_hash_attach() - allocate memory for peer_hash table
* @soc: soc handle
*
* return: QDF_STATUS
*/
static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc)
{
int i, hash_elems, log2;
/* allocate the peer MAC address -> peer object hash table */
hash_elems = soc->max_peers;
hash_elems *= DP_PEER_HASH_LOAD_MULT;
hash_elems >>= DP_PEER_HASH_LOAD_SHIFT;
log2 = dp_log2_ceil(hash_elems);
hash_elems = 1 << log2;
soc->peer_hash.mask = hash_elems - 1;
soc->peer_hash.idx_bits = log2;
/* allocate an array of TAILQ peer object lists */
soc->peer_hash.bins = qdf_mem_malloc(
hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer)));
if (!soc->peer_hash.bins)
return QDF_STATUS_E_NOMEM;
for (i = 0; i < hash_elems; i++)
TAILQ_INIT(&soc->peer_hash.bins[i]);
qdf_spinlock_create(&soc->peer_hash_lock);
if (soc->arch_ops.mlo_peer_find_hash_attach &&
(soc->arch_ops.mlo_peer_find_hash_attach(soc) !=
QDF_STATUS_SUCCESS)) {
dp_peer_find_hash_detach(soc);
return QDF_STATUS_E_NOMEM;
}
return QDF_STATUS_SUCCESS;
}
void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer)
{
unsigned index;
index = dp_peer_find_hash_index(soc, &peer->mac_addr);
if (peer->peer_type == CDP_LINK_PEER_TYPE) {
qdf_spin_lock_bh(&soc->peer_hash_lock);
if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer,
DP_MOD_ID_CONFIG))) {
dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer->mac_addr.raw));
qdf_spin_unlock_bh(&soc->peer_hash_lock);
return;
}
/*
* It is important to add the new peer at the tail of
* peer list with the bin index. Together with having
* the hash_find function search from head to tail,
* this ensures that if two entries with the same MAC address
* are stored, the one added first will be found first.
*/
TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer,
hash_list_elem);
qdf_spin_unlock_bh(&soc->peer_hash_lock);
} else if (peer->peer_type == CDP_MLD_PEER_TYPE) {
if (soc->arch_ops.mlo_peer_find_hash_add)
soc->arch_ops.mlo_peer_find_hash_add(soc, peer);
} else {
dp_err("unknown peer type %d", peer->peer_type);
}
}
void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer)
{
unsigned index;
struct dp_peer *tmppeer = NULL;
int found = 0;
index = dp_peer_find_hash_index(soc, &peer->mac_addr);
if (peer->peer_type == CDP_LINK_PEER_TYPE) {
/* Check if tail is not empty before delete*/
QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index]));
qdf_spin_lock_bh(&soc->peer_hash_lock);
TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index],
hash_list_elem) {
if (tmppeer == peer) {
found = 1;
break;
}
}
QDF_ASSERT(found);
TAILQ_REMOVE(&soc->peer_hash.bins[index], peer,
hash_list_elem);
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
qdf_spin_unlock_bh(&soc->peer_hash_lock);
} else if (peer->peer_type == CDP_MLD_PEER_TYPE) {
if (soc->arch_ops.mlo_peer_find_hash_remove)
soc->arch_ops.mlo_peer_find_hash_remove(soc, peer);
} else {
dp_err("unknown peer type %d", peer->peer_type);
}
}
#else
static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc)
{
int i, hash_elems, log2;
/* allocate the peer MAC address -> peer object hash table */
hash_elems = soc->max_peers;
hash_elems *= DP_PEER_HASH_LOAD_MULT;
hash_elems >>= DP_PEER_HASH_LOAD_SHIFT;
log2 = dp_log2_ceil(hash_elems);
hash_elems = 1 << log2;
soc->peer_hash.mask = hash_elems - 1;
soc->peer_hash.idx_bits = log2;
/* allocate an array of TAILQ peer object lists */
soc->peer_hash.bins = qdf_mem_malloc(
hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer)));
if (!soc->peer_hash.bins)
return QDF_STATUS_E_NOMEM;
for (i = 0; i < hash_elems; i++)
TAILQ_INIT(&soc->peer_hash.bins[i]);
qdf_spinlock_create(&soc->peer_hash_lock);
return QDF_STATUS_SUCCESS;
}
static void dp_peer_find_hash_detach(struct dp_soc *soc)
{
if (soc->peer_hash.bins) {
qdf_mem_free(soc->peer_hash.bins);
soc->peer_hash.bins = NULL;
qdf_spinlock_destroy(&soc->peer_hash_lock);
}
}
void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer)
{
unsigned index;
index = dp_peer_find_hash_index(soc, &peer->mac_addr);
qdf_spin_lock_bh(&soc->peer_hash_lock);
if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer->mac_addr.raw));
qdf_spin_unlock_bh(&soc->peer_hash_lock);
return;
}
/*
* It is important to add the new peer at the tail of the peer list
* with the bin index. Together with having the hash_find function
* search from head to tail, this ensures that if two entries with
* the same MAC address are stored, the one added first will be
* found first.
*/
TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem);
qdf_spin_unlock_bh(&soc->peer_hash_lock);
}
void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer)
{
unsigned index;
struct dp_peer *tmppeer = NULL;
int found = 0;
index = dp_peer_find_hash_index(soc, &peer->mac_addr);
/* Check if tail is not empty before delete*/
QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index]));
qdf_spin_lock_bh(&soc->peer_hash_lock);
TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) {
if (tmppeer == peer) {
found = 1;
break;
}
}
QDF_ASSERT(found);
TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem);
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
qdf_spin_unlock_bh(&soc->peer_hash_lock);
}
#endif/* WLAN_FEATURE_11BE_MLO */
void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev,
struct dp_peer *peer)
{
/* only link peer will be added to vdev peer list */
if (IS_MLO_DP_MLD_PEER(peer))
return;
qdf_spin_lock_bh(&vdev->peer_list_lock);
if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer->mac_addr.raw));
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return;
}
/* add this peer into the vdev's list */
if (wlan_op_mode_sta == vdev->opmode)
TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem);
else
TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem);
vdev->num_peers++;
qdf_spin_unlock_bh(&vdev->peer_list_lock);
}
void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev,
struct dp_peer *peer)
{
uint8_t found = 0;
struct dp_peer *tmppeer = NULL;
/* only link peer will be added to vdev peer list */
if (IS_MLO_DP_MLD_PEER(peer))
return;
qdf_spin_lock_bh(&vdev->peer_list_lock);
TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) {
if (tmppeer == peer) {
found = 1;
break;
}
}
if (found) {
TAILQ_REMOVE(&peer->vdev->peer_list, peer,
peer_list_elem);
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
vdev->num_peers--;
} else {
/*Ignoring the remove operation as peer not found*/
dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK"
, soc, peer, vdev, &peer->vdev->peer_list);
}
qdf_spin_unlock_bh(&vdev->peer_list_lock);
}
void dp_txrx_peer_attach_add(struct dp_soc *soc,
struct dp_peer *peer,
struct dp_txrx_peer *txrx_peer)
{
qdf_spin_lock_bh(&soc->peer_map_lock);
peer->txrx_peer = txrx_peer;
txrx_peer->bss_peer = peer->bss_peer;
if (peer->peer_id == HTT_INVALID_PEER) {
qdf_spin_unlock_bh(&soc->peer_map_lock);
return;
}
txrx_peer->peer_id = peer->peer_id;
QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]);
qdf_spin_unlock_bh(&soc->peer_map_lock);
}
void dp_peer_find_id_to_obj_add(struct dp_soc *soc,
struct dp_peer *peer,
uint16_t peer_id)
{
QDF_ASSERT(peer_id <= soc->max_peer_id);
qdf_spin_lock_bh(&soc->peer_map_lock);
peer->peer_id = peer_id;
if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u",
QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id);
qdf_spin_unlock_bh(&soc->peer_map_lock);
return;
}
if (!soc->peer_id_to_obj_map[peer_id]) {
soc->peer_id_to_obj_map[peer_id] = peer;
if (peer->txrx_peer)
peer->txrx_peer->peer_id = peer_id;
} else {
/* Peer map event came for peer_id which
* is already mapped, this is not expected
*/
dp_err("peer %pK(" QDF_MAC_ADDR_FMT ")map failed, id %d mapped to peer %pK",
peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id,
soc->peer_id_to_obj_map[peer_id]);
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
qdf_assert_always(0);
}
qdf_spin_unlock_bh(&soc->peer_map_lock);
}
void dp_peer_find_id_to_obj_remove(struct dp_soc *soc,
uint16_t peer_id)
{
struct dp_peer *peer = NULL;
QDF_ASSERT(peer_id <= soc->max_peer_id);
qdf_spin_lock_bh(&soc->peer_map_lock);
peer = soc->peer_id_to_obj_map[peer_id];
if (!peer) {
dp_err("unable to get peer during peer id obj map remove");
qdf_spin_unlock_bh(&soc->peer_map_lock);
return;
}
peer->peer_id = HTT_INVALID_PEER;
if (peer->txrx_peer)
peer->txrx_peer->peer_id = HTT_INVALID_PEER;
soc->peer_id_to_obj_map[peer_id] = NULL;
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
qdf_spin_unlock_bh(&soc->peer_map_lock);
}
#ifdef FEATURE_MEC
QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc)
{
int log2, hash_elems, i;
log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX);
hash_elems = 1 << log2;
soc->mec_hash.mask = hash_elems - 1;
soc->mec_hash.idx_bits = log2;
dp_peer_info("%pK: max mec index: %d",
soc, DP_PEER_MAX_MEC_IDX);
/* allocate an array of TAILQ mec object lists */
soc->mec_hash.bins = qdf_mem_malloc(hash_elems *
sizeof(TAILQ_HEAD(anonymous_tail_q,
dp_mec_entry)));
if (!soc->mec_hash.bins)
return QDF_STATUS_E_NOMEM;
for (i = 0; i < hash_elems; i++)
TAILQ_INIT(&soc->mec_hash.bins[i]);
return QDF_STATUS_SUCCESS;
}
/**
* dp_peer_mec_hash_index() - Compute the MEC hash from MAC address
* @soc: SoC handle
* @mac_addr: MAC address
*
* Return: MEC hash
*/
static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc,
union dp_align_mac_addr *mac_addr)
{
uint32_t index;
index =
mac_addr->align2.bytes_ab ^
mac_addr->align2.bytes_cd ^
mac_addr->align2.bytes_ef;
index ^= index >> soc->mec_hash.idx_bits;
index &= soc->mec_hash.mask;
return index;
}
struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc,
uint8_t pdev_id,
uint8_t *mec_mac_addr)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
uint32_t index;
struct dp_mec_entry *mecentry;
qdf_mem_copy(&local_mac_addr_aligned.raw[0],
mec_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
index = dp_peer_mec_hash_index(soc, mac_addr);
TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) {
if ((pdev_id == mecentry->pdev_id) &&
!dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr))
return mecentry;
}
return NULL;
}
/**
* dp_peer_mec_hash_add() - Add MEC entry into hash table
* @soc: SoC handle
* @mecentry: MEC entry
*
* This function adds the MEC entry into SoC MEC hash table
*
* Return: None
*/
static inline void dp_peer_mec_hash_add(struct dp_soc *soc,
struct dp_mec_entry *mecentry)
{
uint32_t index;
index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr);
qdf_spin_lock_bh(&soc->mec_lock);
TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem);
qdf_spin_unlock_bh(&soc->mec_lock);
}
QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc,
struct dp_vdev *vdev,
uint8_t *mac_addr)
{
struct dp_mec_entry *mecentry = NULL;
struct dp_pdev *pdev = NULL;
if (!vdev) {
dp_peer_err("%pK: Peers vdev is NULL", soc);
return QDF_STATUS_E_INVAL;
}
pdev = vdev->pdev;
if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >=
DP_PEER_MAX_MEC_ENTRY)) {
dp_peer_warn("%pK: max MEC entry limit reached mac_addr: "
QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr));
return QDF_STATUS_E_NOMEM;
}
qdf_spin_lock_bh(&soc->mec_lock);
mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id,
mac_addr);
if (qdf_likely(mecentry)) {
mecentry->is_active = TRUE;
qdf_spin_unlock_bh(&soc->mec_lock);
return QDF_STATUS_E_ALREADY;
}
qdf_spin_unlock_bh(&soc->mec_lock);
dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: "
QDF_MAC_ADDR_FMT,
soc, pdev->pdev_id, vdev->vdev_id,
QDF_MAC_ADDR_REF(mac_addr));
mecentry = (struct dp_mec_entry *)
qdf_mem_malloc(sizeof(struct dp_mec_entry));
if (qdf_unlikely(!mecentry)) {
dp_peer_err("%pK: fail to allocate mecentry", soc);
return QDF_STATUS_E_NOMEM;
}
qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0],
(struct qdf_mac_addr *)mac_addr);
mecentry->pdev_id = pdev->pdev_id;
mecentry->vdev_id = vdev->vdev_id;
mecentry->is_active = TRUE;
dp_peer_mec_hash_add(soc, mecentry);
qdf_atomic_inc(&soc->mec_cnt);
DP_STATS_INC(soc, mec.added, 1);
return QDF_STATUS_SUCCESS;
}
void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry,
void *ptr)
{
uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr);
TAILQ_HEAD(, dp_mec_entry) * free_list = ptr;
TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry,
hash_list_elem);
TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem);
}
void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr)
{
struct dp_mec_entry *mecentry, *mecentry_next;
TAILQ_HEAD(, dp_mec_entry) * free_list = ptr;
TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem,
mecentry_next) {
dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT,
soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr));
qdf_mem_free(mecentry);
qdf_atomic_dec(&soc->mec_cnt);
DP_STATS_INC(soc, mec.deleted, 1);
}
}
void dp_peer_mec_hash_detach(struct dp_soc *soc)
{
dp_peer_mec_flush_entries(soc);
qdf_mem_free(soc->mec_hash.bins);
soc->mec_hash.bins = NULL;
}
void dp_peer_mec_spinlock_destroy(struct dp_soc *soc)
{
qdf_spinlock_destroy(&soc->mec_lock);
}
void dp_peer_mec_spinlock_create(struct dp_soc *soc)
{
qdf_spinlock_create(&soc->mec_lock);
}
#else
QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc)
{
return QDF_STATUS_SUCCESS;
}
void dp_peer_mec_hash_detach(struct dp_soc *soc)
{
}
#endif
#ifdef FEATURE_AST
#ifdef WLAN_FEATURE_11BE_MLO
/**
* dp_peer_exist_on_pdev() - check if peer with mac address exist on pdev
*
* @soc: Datapath SOC handle
* @peer_mac_addr: peer mac address
* @mac_addr_is_aligned: is mac address aligned
* @pdev: Datapath PDEV handle
*
* Return: true if peer found else return false
*/
static bool dp_peer_exist_on_pdev(struct dp_soc *soc,
uint8_t *peer_mac_addr,
int mac_addr_is_aligned,
struct dp_pdev *pdev)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
unsigned int index;
struct dp_peer *peer;
bool found = false;
if (mac_addr_is_aligned) {
mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
} else {
qdf_mem_copy(
&local_mac_addr_aligned.raw[0],
peer_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
}
index = dp_peer_find_hash_index(soc, mac_addr);
qdf_spin_lock_bh(&soc->peer_hash_lock);
TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
(peer->vdev->pdev == pdev)) {
found = true;
break;
}
}
qdf_spin_unlock_bh(&soc->peer_hash_lock);
if (found)
return found;
peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr,
mac_addr_is_aligned, DP_VDEV_ALL,
DP_MOD_ID_CDP);
if (peer) {
if (peer->vdev->pdev == pdev)
found = true;
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
}
return found;
}
#else
static bool dp_peer_exist_on_pdev(struct dp_soc *soc,
uint8_t *peer_mac_addr,
int mac_addr_is_aligned,
struct dp_pdev *pdev)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
unsigned int index;
struct dp_peer *peer;
bool found = false;
if (mac_addr_is_aligned) {
mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
} else {
qdf_mem_copy(
&local_mac_addr_aligned.raw[0],
peer_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
}
index = dp_peer_find_hash_index(soc, mac_addr);
qdf_spin_lock_bh(&soc->peer_hash_lock);
TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
(peer->vdev->pdev == pdev)) {
found = true;
break;
}
}
qdf_spin_unlock_bh(&soc->peer_hash_lock);
return found;
}
#endif /* WLAN_FEATURE_11BE_MLO */
QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc)
{
int i, hash_elems, log2;
unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx);
hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >>
DP_AST_HASH_LOAD_SHIFT);
log2 = dp_log2_ceil(hash_elems);
hash_elems = 1 << log2;
soc->ast_hash.mask = hash_elems - 1;
soc->ast_hash.idx_bits = log2;
dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d",
soc, hash_elems, max_ast_idx);
/* allocate an array of TAILQ peer object lists */
soc->ast_hash.bins = qdf_mem_malloc(
hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q,
dp_ast_entry)));
if (!soc->ast_hash.bins)
return QDF_STATUS_E_NOMEM;
for (i = 0; i < hash_elems; i++)
TAILQ_INIT(&soc->ast_hash.bins[i]);
return QDF_STATUS_SUCCESS;
}
/**
* dp_peer_ast_cleanup() - cleanup the references
* @soc: SoC handle
* @ast: ast entry
*
* Return: None
*/
static inline void dp_peer_ast_cleanup(struct dp_soc *soc,
struct dp_ast_entry *ast)
{
txrx_ast_free_cb cb = ast->callback;
void *cookie = ast->cookie;
dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK",
QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie);
/* Call the callbacks to free up the cookie */
if (cb) {
ast->callback = NULL;
ast->cookie = NULL;
cb(soc->ctrl_psoc,
dp_soc_to_cdp_soc(soc),
cookie,
CDP_TXRX_AST_DELETE_IN_PROGRESS);
}
}
void dp_peer_ast_hash_detach(struct dp_soc *soc)
{
unsigned int index;
struct dp_ast_entry *ast, *ast_next;
if (!soc->ast_hash.mask)
return;
if (!soc->ast_hash.bins)
return;
dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries);
qdf_spin_lock_bh(&soc->ast_lock);
for (index = 0; index <= soc->ast_hash.mask; index++) {
if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) {
TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index],
hash_list_elem, ast_next) {
TAILQ_REMOVE(&soc->ast_hash.bins[index], ast,
hash_list_elem);
dp_peer_ast_cleanup(soc, ast);
soc->num_ast_entries--;
qdf_mem_free(ast);
}
}
}
qdf_spin_unlock_bh(&soc->ast_lock);
qdf_mem_free(soc->ast_hash.bins);
soc->ast_hash.bins = NULL;
}
/**
* dp_peer_ast_hash_index() - Compute the AST hash from MAC address
* @soc: SoC handle
* @mac_addr: MAC address
*
* Return: AST hash
*/
static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc,
union dp_align_mac_addr *mac_addr)
{
uint32_t index;
index =
mac_addr->align2.bytes_ab ^
mac_addr->align2.bytes_cd ^
mac_addr->align2.bytes_ef;
index ^= index >> soc->ast_hash.idx_bits;
index &= soc->ast_hash.mask;
return index;
}
/**
* dp_peer_ast_hash_add() - Add AST entry into hash table
* @soc: SoC handle
* @ase: AST entry
*
* This function adds the AST entry into SoC AST hash table
* It assumes caller has taken the ast lock to protect the access to this table
*
* Return: None
*/
static inline void dp_peer_ast_hash_add(struct dp_soc *soc,
struct dp_ast_entry *ase)
{
uint32_t index;
index = dp_peer_ast_hash_index(soc, &ase->mac_addr);
TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem);
}
void dp_peer_ast_hash_remove(struct dp_soc *soc,
struct dp_ast_entry *ase)
{
unsigned index;
struct dp_ast_entry *tmpase;
int found = 0;
if (soc->ast_offload_support && !soc->host_ast_db_enable)
return;
index = dp_peer_ast_hash_index(soc, &ase->mac_addr);
/* Check if tail is not empty before delete*/
QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index]));
dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT,
ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw));
TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) {
if (tmpase == ase) {
found = 1;
break;
}
}
QDF_ASSERT(found);
if (found)
TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem);
}
struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc,
uint8_t *ast_mac_addr,
uint8_t vdev_id)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
uint32_t index;
struct dp_ast_entry *ase;
qdf_mem_copy(&local_mac_addr_aligned.raw[0],
ast_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
index = dp_peer_ast_hash_index(soc, mac_addr);
TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
if ((vdev_id == ase->vdev_id) &&
!dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) {
return ase;
}
}
return NULL;
}
struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
uint8_t *ast_mac_addr,
uint8_t pdev_id)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
uint32_t index;
struct dp_ast_entry *ase;
qdf_mem_copy(&local_mac_addr_aligned.raw[0],
ast_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
index = dp_peer_ast_hash_index(soc, mac_addr);
TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
if ((pdev_id == ase->pdev_id) &&
!dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) {
return ase;
}
}
return NULL;
}
struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
uint8_t *ast_mac_addr)
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
unsigned index;
struct dp_ast_entry *ase;
if (!soc->ast_hash.bins)
return NULL;
qdf_mem_copy(&local_mac_addr_aligned.raw[0],
ast_mac_addr, QDF_MAC_ADDR_SIZE);
mac_addr = &local_mac_addr_aligned;
index = dp_peer_ast_hash_index(soc, mac_addr);
TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) {
return ase;
}
}
return NULL;
}
/**
* dp_peer_map_ipa_evt() - Send peer map event to IPA
* @soc: SoC handle
* @peer: peer to which ast node belongs
* @ast_entry: AST entry
* @mac_addr: MAC address of ast node
*
* Return: None
*/
#if defined(IPA_OFFLOAD) && defined(QCA_IPA_LL_TX_FLOW_CONTROL)
static inline
void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer,
struct dp_ast_entry *ast_entry, uint8_t *mac_addr)
{
if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) {
if (soc->cdp_soc.ol_ops->peer_map_event) {
soc->cdp_soc.ol_ops->peer_map_event(
soc->ctrl_psoc, ast_entry->peer_id,
ast_entry->ast_idx, ast_entry->vdev_id,
mac_addr, ast_entry->type, ast_entry->ast_hash_value);
}
} else {
dp_peer_info("%pK: AST entry not found", soc);
}
}
/**
* dp_peer_unmap_ipa_evt() - Send peer unmap event to IPA
* @soc: SoC handle
* @peer_id: Peerid
* @vdev_id: Vdev id
* @mac_addr: Peer mac address
*
* Return: None
*/
static inline
void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
uint8_t vdev_id, uint8_t *mac_addr)
{
if (soc->cdp_soc.ol_ops->peer_unmap_event) {
soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc,
peer_id, vdev_id,
mac_addr);
}
}
#else
static inline
void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
uint8_t vdev_id, uint8_t *mac_addr)
{
}
static inline
void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer,
struct dp_ast_entry *ast_entry, uint8_t *mac_addr)
{
}
#endif
/**
* dp_peer_host_add_map_ast() - Add ast entry with HW AST Index
* @soc: SoC handle
* @peer_id: peer id from firmware
* @mac_addr: MAC address of ast node
* @hw_peer_id: HW AST Index returned by target in peer map event
* @vdev_id: vdev id for VAP to which the peer belongs to
* @ast_hash: ast hash value in HW
* @is_wds: flag to indicate peer map event for WDS ast entry
*
* Return: QDF_STATUS code
*/
static inline
QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id,
uint8_t *mac_addr, uint16_t hw_peer_id,
uint8_t vdev_id, uint16_t ast_hash,
uint8_t is_wds)
{
struct dp_vdev *vdev;
struct dp_ast_entry *ast_entry;
enum cdp_txrx_ast_entry_type type;
struct dp_peer *peer;
struct dp_peer *old_peer;
QDF_STATUS status = QDF_STATUS_SUCCESS;
if (is_wds)
type = CDP_TXRX_AST_TYPE_WDS;
else
type = CDP_TXRX_AST_TYPE_STATIC;
peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
if (!peer) {
dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d",
soc, peer_id,
QDF_MAC_ADDR_REF(mac_addr), vdev_id);
return QDF_STATUS_E_INVAL;
}
if (!is_wds && IS_MLO_DP_MLD_PEER(peer))
type = CDP_TXRX_AST_TYPE_MLD;
vdev = peer->vdev;
if (!vdev) {
dp_peer_err("%pK: Peers vdev is NULL", soc);
status = QDF_STATUS_E_INVAL;
goto fail;
}
if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) {
if (type != CDP_TXRX_AST_TYPE_STATIC &&
type != CDP_TXRX_AST_TYPE_MLD &&
type != CDP_TXRX_AST_TYPE_SELF) {
status = QDF_STATUS_E_BUSY;
goto fail;
}
}
dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT,
soc, vdev->vdev_id, type,
QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer,
QDF_MAC_ADDR_REF(mac_addr));
/*
* In MLO scenario, there is possibility for same mac address
* on both link mac address and MLD mac address.
* Duplicate AST map needs to be handled for non-mld type.
*/
qdf_spin_lock_bh(&soc->ast_lock);
ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) {
dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT,
hw_peer_id, vdev_id,
QDF_MAC_ADDR_REF(mac_addr));
old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
DP_MOD_ID_AST);
if (!old_peer) {
dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d",
soc, ast_entry->peer_id,
QDF_MAC_ADDR_REF(mac_addr), vdev_id);
qdf_spin_unlock_bh(&soc->ast_lock);
status = QDF_STATUS_E_INVAL;
goto fail;
}
dp_peer_unlink_ast_entry(soc, ast_entry, old_peer);
dp_peer_free_ast_entry(soc, ast_entry);
if (old_peer)
dp_peer_unref_delete(old_peer, DP_MOD_ID_AST);
}
ast_entry = (struct dp_ast_entry *)
qdf_mem_malloc(sizeof(struct dp_ast_entry));
if (!ast_entry) {
dp_peer_err("%pK: fail to allocate ast_entry", soc);
qdf_spin_unlock_bh(&soc->ast_lock);
QDF_ASSERT(0);
status = QDF_STATUS_E_NOMEM;
goto fail;
}
qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE);
ast_entry->pdev_id = vdev->pdev->pdev_id;
ast_entry->is_mapped = false;
ast_entry->delete_in_progress = false;
ast_entry->next_hop = 0;
ast_entry->vdev_id = vdev->vdev_id;
ast_entry->type = type;
switch (type) {
case CDP_TXRX_AST_TYPE_STATIC:
if (peer->vdev->opmode == wlan_op_mode_sta)
ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS;
break;
case CDP_TXRX_AST_TYPE_WDS:
ast_entry->next_hop = 1;
break;
case CDP_TXRX_AST_TYPE_MLD:
break;
default:
dp_peer_alert("%pK: Incorrect AST entry type", soc);
}
ast_entry->is_active = TRUE;
DP_STATS_INC(soc, ast.added, 1);
soc->num_ast_entries++;
dp_peer_ast_hash_add(soc, ast_entry);
ast_entry->ast_idx = hw_peer_id;
ast_entry->ast_hash_value = ast_hash;
ast_entry->peer_id = peer_id;
TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
ase_list_elem);
dp_peer_map_ipa_evt(soc, peer, ast_entry, mac_addr);
qdf_spin_unlock_bh(&soc->ast_lock);
fail:
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
return status;
}
/**
* dp_peer_map_ast() - Map the ast entry with HW AST Index
* @soc: SoC handle
* @peer: peer to which ast node belongs
* @mac_addr: MAC address of ast node
* @hw_peer_id: HW AST Index returned by target in peer map event
* @vdev_id: vdev id for VAP to which the peer belongs to
* @ast_hash: ast hash value in HW
* @is_wds: flag to indicate peer map event for WDS ast entry
*
* Return: QDF_STATUS code
*/
static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t *mac_addr,
uint16_t hw_peer_id,
uint8_t vdev_id,
uint16_t ast_hash,
uint8_t is_wds)
{
struct dp_ast_entry *ast_entry = NULL;
enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC;
void *cookie = NULL;
txrx_ast_free_cb cb = NULL;
QDF_STATUS err = QDF_STATUS_SUCCESS;
if (soc->ast_offload_support)
return QDF_STATUS_SUCCESS;
if (!peer) {
return QDF_STATUS_E_INVAL;
}
dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT,
soc, peer, hw_peer_id, vdev_id,
QDF_MAC_ADDR_REF(mac_addr));
qdf_spin_lock_bh(&soc->ast_lock);
ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id);
if (is_wds) {
/*
* In certain cases like Auth attack on a repeater
* can result in the number of ast_entries falling
* in the same hash bucket to exceed the max_skid
* length supported by HW in root AP. In these cases
* the FW will return the hw_peer_id (ast_index) as
* 0xffff indicating HW could not add the entry in
* its table. Host has to delete the entry from its
* table in these cases.
*/
if (hw_peer_id == HTT_INVALID_PEER) {
DP_STATS_INC(soc, ast.map_err, 1);
if (ast_entry) {
if (ast_entry->is_mapped) {
soc->ast_table[ast_entry->ast_idx] =
NULL;
}
cb = ast_entry->callback;
cookie = ast_entry->cookie;
peer_type = ast_entry->type;
dp_peer_unlink_ast_entry(soc, ast_entry, peer);
dp_peer_free_ast_entry(soc, ast_entry);
qdf_spin_unlock_bh(&soc->ast_lock);
if (cb) {
cb(soc->ctrl_psoc,
dp_soc_to_cdp_soc(soc),
cookie,
CDP_TXRX_AST_DELETED);
}
} else {
qdf_spin_unlock_bh(&soc->ast_lock);
dp_peer_alert("AST entry not found with peer %pK peer_id %u peer_mac " QDF_MAC_ADDR_FMT " mac_addr " QDF_MAC_ADDR_FMT " vdev_id %u next_hop %u",
peer, peer->peer_id,
QDF_MAC_ADDR_REF(peer->mac_addr.raw),
QDF_MAC_ADDR_REF(mac_addr),
vdev_id, is_wds);
}
err = QDF_STATUS_E_INVAL;
dp_hmwds_ast_add_notify(peer, mac_addr,
peer_type, err, true);
return err;
}
}
if (ast_entry) {
ast_entry->ast_idx = hw_peer_id;
soc->ast_table[hw_peer_id] = ast_entry;
ast_entry->is_active = TRUE;
peer_type = ast_entry->type;
ast_entry->ast_hash_value = ast_hash;
ast_entry->is_mapped = TRUE;
qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER);
ast_entry->peer_id = peer->peer_id;
TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
ase_list_elem);
}
if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) {
if (soc->cdp_soc.ol_ops->peer_map_event) {
soc->cdp_soc.ol_ops->peer_map_event(
soc->ctrl_psoc, peer->peer_id,
hw_peer_id, vdev_id,
mac_addr, peer_type, ast_hash);
}
} else {
dp_peer_err("%pK: AST entry not found", soc);
err = QDF_STATUS_E_NOENT;
}
qdf_spin_unlock_bh(&soc->ast_lock);
dp_hmwds_ast_add_notify(peer, mac_addr,
peer_type, err, true);
return err;
}
void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
struct cdp_soc *dp_soc,
void *cookie,
enum cdp_ast_free_status status)
{
struct dp_ast_free_cb_params *param =
(struct dp_ast_free_cb_params *)cookie;
struct dp_soc *soc = (struct dp_soc *)dp_soc;
struct dp_peer *peer = NULL;
QDF_STATUS err = QDF_STATUS_SUCCESS;
if (status != CDP_TXRX_AST_DELETED) {
qdf_mem_free(cookie);
return;
}
peer = dp_peer_find_hash_find(soc, &param->peer_mac_addr.raw[0],
0, param->vdev_id, DP_MOD_ID_AST);
if (peer) {
err = dp_peer_add_ast(soc, peer,
&param->mac_addr.raw[0],
param->type,
param->flags);
dp_hmwds_ast_add_notify(peer, &param->mac_addr.raw[0],
param->type, err, false);
dp_peer_unref_delete(peer, DP_MOD_ID_AST);
}
qdf_mem_free(cookie);
}
QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t *mac_addr,
enum cdp_txrx_ast_entry_type type,
uint32_t flags)
{
struct dp_ast_entry *ast_entry = NULL;
struct dp_vdev *vdev = NULL;
struct dp_pdev *pdev = NULL;
txrx_ast_free_cb cb = NULL;
void *cookie = NULL;
struct dp_peer *vap_bss_peer = NULL;
bool is_peer_found = false;
int status = 0;
if (soc->ast_offload_support)
return QDF_STATUS_E_INVAL;
vdev = peer->vdev;
if (!vdev) {
dp_peer_err("%pK: Peers vdev is NULL", soc);
QDF_ASSERT(0);
return QDF_STATUS_E_INVAL;
}
pdev = vdev->pdev;
is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev);
qdf_spin_lock_bh(&soc->ast_lock);
if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) {
if ((type != CDP_TXRX_AST_TYPE_STATIC) &&
(type != CDP_TXRX_AST_TYPE_SELF)) {
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_BUSY;
}
}
dp_peer_debug("%pK: pdevid: %u vdev: %u ast_entry->type: %d flags: 0x%x peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT,
soc, pdev->pdev_id, vdev->vdev_id, type, flags,
QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer,
QDF_MAC_ADDR_REF(mac_addr));
/* fw supports only 2 times the max_peers ast entries */
if (soc->num_ast_entries >=
wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) {
qdf_spin_unlock_bh(&soc->ast_lock);
dp_peer_err("%pK: Max ast entries reached", soc);
return QDF_STATUS_E_RESOURCES;
}
/* If AST entry already exists , just return from here
* ast entry with same mac address can exist on different radios
* if ast_override support is enabled use search by pdev in this
* case
*/
if (soc->ast_override_support) {
ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr,
pdev->pdev_id);
if (ast_entry) {
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_ALREADY;
}
if (is_peer_found) {
/* During WDS to static roaming, peer is added
* to the list before static AST entry create.
* So, allow AST entry for STATIC type
* even if peer is present
*/
if (type != CDP_TXRX_AST_TYPE_STATIC) {
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_ALREADY;
}
}
} else {
/* For HWMWDS_SEC entries can be added for same mac address
* do not check for existing entry
*/
if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)
goto add_ast_entry;
ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
if (ast_entry) {
if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) &&
!ast_entry->delete_in_progress) {
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_ALREADY;
}
/* Add for HMWDS entry we cannot be ignored if there
* is AST entry with same mac address
*
* if ast entry exists with the requested mac address
* send a delete command and register callback which
* can take care of adding HMWDS ast entry on delete
* confirmation from target
*/
if (type == CDP_TXRX_AST_TYPE_WDS_HM) {
struct dp_ast_free_cb_params *param = NULL;
if (ast_entry->type ==
CDP_TXRX_AST_TYPE_WDS_HM_SEC)
goto add_ast_entry;
/* save existing callback */
if (ast_entry->callback) {
cb = ast_entry->callback;
cookie = ast_entry->cookie;
}
param = qdf_mem_malloc(sizeof(*param));
if (!param) {
QDF_TRACE(QDF_MODULE_ID_TXRX,
QDF_TRACE_LEVEL_ERROR,
"Allocation failed");
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_NOMEM;
}
qdf_mem_copy(&param->mac_addr.raw[0], mac_addr,
QDF_MAC_ADDR_SIZE);
qdf_mem_copy(&param->peer_mac_addr.raw[0],
&peer->mac_addr.raw[0],
QDF_MAC_ADDR_SIZE);
param->type = type;
param->flags = flags;
param->vdev_id = vdev->vdev_id;
ast_entry->callback = dp_peer_free_hmwds_cb;
ast_entry->pdev_id = vdev->pdev->pdev_id;
ast_entry->type = type;
ast_entry->cookie = (void *)param;
if (!ast_entry->delete_in_progress)
dp_peer_del_ast(soc, ast_entry);
qdf_spin_unlock_bh(&soc->ast_lock);
/* Call the saved callback*/
if (cb) {
cb(soc->ctrl_psoc,
dp_soc_to_cdp_soc(soc),
cookie,
CDP_TXRX_AST_DELETE_IN_PROGRESS);
}
return QDF_STATUS_E_AGAIN;
}
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_ALREADY;
}
}
add_ast_entry:
ast_entry = (struct dp_ast_entry *)
qdf_mem_malloc(sizeof(struct dp_ast_entry));
if (!ast_entry) {
qdf_spin_unlock_bh(&soc->ast_lock);
dp_peer_err("%pK: fail to allocate ast_entry", soc);
QDF_ASSERT(0);
return QDF_STATUS_E_NOMEM;
}
qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE);
ast_entry->pdev_id = vdev->pdev->pdev_id;
ast_entry->is_mapped = false;
ast_entry->delete_in_progress = false;
ast_entry->peer_id = HTT_INVALID_PEER;
ast_entry->next_hop = 0;
ast_entry->vdev_id = vdev->vdev_id;
switch (type) {
case CDP_TXRX_AST_TYPE_STATIC:
peer->self_ast_entry = ast_entry;
ast_entry->type = CDP_TXRX_AST_TYPE_STATIC;
if (peer->vdev->opmode == wlan_op_mode_sta)
ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS;
break;
case CDP_TXRX_AST_TYPE_SELF:
peer->self_ast_entry = ast_entry;
ast_entry->type = CDP_TXRX_AST_TYPE_SELF;
break;
case CDP_TXRX_AST_TYPE_WDS:
ast_entry->next_hop = 1;
ast_entry->type = CDP_TXRX_AST_TYPE_WDS;
break;
case CDP_TXRX_AST_TYPE_WDS_HM:
ast_entry->next_hop = 1;
ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM;
break;
case CDP_TXRX_AST_TYPE_WDS_HM_SEC:
ast_entry->next_hop = 1;
ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC;
ast_entry->peer_id = peer->peer_id;
TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
ase_list_elem);
break;
case CDP_TXRX_AST_TYPE_DA:
vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev,
DP_MOD_ID_AST);
if (!vap_bss_peer) {
qdf_spin_unlock_bh(&soc->ast_lock);
qdf_mem_free(ast_entry);
return QDF_STATUS_E_FAILURE;
}
peer = vap_bss_peer;
ast_entry->next_hop = 1;
ast_entry->type = CDP_TXRX_AST_TYPE_DA;
break;
default:
dp_peer_err("%pK: Incorrect AST entry type", soc);
}
ast_entry->is_active = TRUE;
DP_STATS_INC(soc, ast.added, 1);
soc->num_ast_entries++;
dp_peer_ast_hash_add(soc, ast_entry);
if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) &&
(ast_entry->type != CDP_TXRX_AST_TYPE_SELF) &&
(ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) &&
(ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC))
status = dp_add_wds_entry_wrapper(soc,
peer,
mac_addr,
flags,
ast_entry->type);
if (vap_bss_peer)
dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST);
qdf_spin_unlock_bh(&soc->ast_lock);
return qdf_status_from_os_return(status);
}
qdf_export_symbol(dp_peer_add_ast);
void dp_peer_free_ast_entry(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
/*
* NOTE: Ensure that call to this API is done
* after soc->ast_lock is taken
*/
dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT,
ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id,
QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw));
ast_entry->callback = NULL;
ast_entry->cookie = NULL;
DP_STATS_INC(soc, ast.deleted, 1);
dp_peer_ast_hash_remove(soc, ast_entry);
dp_peer_ast_cleanup(soc, ast_entry);
qdf_mem_free(ast_entry);
soc->num_ast_entries--;
}
void dp_peer_unlink_ast_entry(struct dp_soc *soc,
struct dp_ast_entry *ast_entry,
struct dp_peer *peer)
{
if (!peer) {
dp_info_rl("NULL peer");
return;
}
if (ast_entry->peer_id == HTT_INVALID_PEER) {
dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d",
QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
ast_entry->type);
return;
}
/*
* NOTE: Ensure that call to this API is done
* after soc->ast_lock is taken
*/
qdf_assert_always(ast_entry->peer_id == peer->peer_id);
TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem);
if (ast_entry == peer->self_ast_entry)
peer->self_ast_entry = NULL;
/*
* release the reference only if it is mapped
* to ast_table
*/
if (ast_entry->is_mapped)
soc->ast_table[ast_entry->ast_idx] = NULL;
ast_entry->peer_id = HTT_INVALID_PEER;
}
void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
{
struct dp_peer *peer = NULL;
if (soc->ast_offload_support)
return;
if (!ast_entry) {
dp_info_rl("NULL AST entry");
return;
}
if (ast_entry->delete_in_progress) {
dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d",
QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
ast_entry->type);
return;
}
dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT,
(void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id,
QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw));
ast_entry->delete_in_progress = true;
/* In teardown del ast is called after setting logical delete state
* use __dp_peer_get_ref_by_id to get the reference irrespective of
* state
*/
peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
DP_MOD_ID_AST);
dp_peer_ast_send_wds_del(soc, ast_entry, peer);
/* Remove SELF and STATIC entries in teardown itself */
if (!ast_entry->next_hop)
dp_peer_unlink_ast_entry(soc, ast_entry, peer);
if (ast_entry->is_mapped)
soc->ast_table[ast_entry->ast_idx] = NULL;
/* if peer map v2 is enabled we are not freeing ast entry
* here and it is supposed to be freed in unmap event (after
* we receive delete confirmation from target)
*
* if peer_id is invalid we did not get the peer map event
* for the peer free ast entry from here only in this case
*/
if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry))
goto end;
/* for WDS secondary entry ast_entry->next_hop would be set so
* unlinking has to be done explicitly here.
* As this entry is not a mapped entry unmap notification from
* FW will not come. Hence unlinkling is done right here.
*/
if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)
dp_peer_unlink_ast_entry(soc, ast_entry, peer);
dp_peer_free_ast_entry(soc, ast_entry);
end:
if (peer)
dp_peer_unref_delete(peer, DP_MOD_ID_AST);
}
int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
struct dp_ast_entry *ast_entry, uint32_t flags)
{
int ret = -1;
struct dp_peer *old_peer;
if (soc->ast_offload_support)
return QDF_STATUS_E_INVAL;
dp_peer_debug("%pK: ast_entry->type: %d pdevid: %u vdevid: %u flags: 0x%x mac_addr: " QDF_MAC_ADDR_FMT " peer_mac: " QDF_MAC_ADDR_FMT "\n",
soc, ast_entry->type, peer->vdev->pdev->pdev_id,
peer->vdev->vdev_id, flags,
QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
QDF_MAC_ADDR_REF(peer->mac_addr.raw));
/* Do not send AST update in below cases
* 1) Ast entry delete has already triggered
* 2) Peer delete is already triggered
* 3) We did not get the HTT map for create event
*/
if (ast_entry->delete_in_progress ||
!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) ||
!ast_entry->is_mapped)
return ret;
if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) ||
(ast_entry->type == CDP_TXRX_AST_TYPE_SELF) ||
(ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) ||
(ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC))
return 0;
/*
* Avoids flood of WMI update messages sent to FW for same peer.
*/
if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) &&
(ast_entry->type == CDP_TXRX_AST_TYPE_WDS) &&
(ast_entry->vdev_id == peer->vdev->vdev_id) &&
(ast_entry->is_active))
return 0;
old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
DP_MOD_ID_AST);
if (!old_peer)
return 0;
TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem);
dp_peer_unref_delete(old_peer, DP_MOD_ID_AST);
ast_entry->peer_id = peer->peer_id;
ast_entry->type = CDP_TXRX_AST_TYPE_WDS;
ast_entry->pdev_id = peer->vdev->pdev->pdev_id;
ast_entry->vdev_id = peer->vdev->vdev_id;
ast_entry->is_active = TRUE;
TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem);
ret = dp_update_wds_entry_wrapper(soc,
peer,
ast_entry->mac_addr.raw,
flags);
return ret;
}
uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
return ast_entry->pdev_id;
}
uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
return ast_entry->next_hop;
}
void dp_peer_ast_set_type(struct dp_soc *soc,
struct dp_ast_entry *ast_entry,
enum cdp_txrx_ast_entry_type type)
{
ast_entry->type = type;
}
void dp_peer_ast_send_wds_del(struct dp_soc *soc,
struct dp_ast_entry *ast_entry,
struct dp_peer *peer)
{
bool delete_in_fw = false;
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE,
"%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n",
__func__, ast_entry->type, ast_entry->pdev_id,
ast_entry->vdev_id,
QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
ast_entry->next_hop, ast_entry->peer_id);
/*
* If peer state is logical delete, the peer is about to get
* teared down with a peer delete command to firmware,
* which will cleanup all the wds ast entries.
* So, no need to send explicit wds ast delete to firmware.
*/
if (ast_entry->next_hop) {
if (peer && dp_peer_state_cmp(peer,
DP_PEER_STATE_LOGICAL_DELETE))
delete_in_fw = false;
else
delete_in_fw = true;
dp_del_wds_entry_wrapper(soc,
ast_entry->vdev_id,
ast_entry->mac_addr.raw,
ast_entry->type,
delete_in_fw);
}
}
#else
void dp_peer_free_ast_entry(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
}
void dp_peer_unlink_ast_entry(struct dp_soc *soc,
struct dp_ast_entry *ast_entry,
struct dp_peer *peer)
{
}
void dp_peer_ast_hash_remove(struct dp_soc *soc,
struct dp_ast_entry *ase)
{
}
struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc,
uint8_t *ast_mac_addr,
uint8_t vdev_id)
{
return NULL;
}
QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t *mac_addr,
enum cdp_txrx_ast_entry_type type,
uint32_t flags)
{
return QDF_STATUS_E_FAILURE;
}
void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
{
}
int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
struct dp_ast_entry *ast_entry, uint32_t flags)
{
return 1;
}
struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
uint8_t *ast_mac_addr)
{
return NULL;
}
static inline
QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id,
uint8_t *mac_addr, uint16_t hw_peer_id,
uint8_t vdev_id, uint16_t ast_hash,
uint8_t is_wds)
{
return QDF_STATUS_SUCCESS;
}
struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
uint8_t *ast_mac_addr,
uint8_t pdev_id)
{
return NULL;
}
QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc)
{
return QDF_STATUS_SUCCESS;
}
static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t *mac_addr,
uint16_t hw_peer_id,
uint8_t vdev_id,
uint16_t ast_hash,
uint8_t is_wds)
{
return QDF_STATUS_SUCCESS;
}
void dp_peer_ast_hash_detach(struct dp_soc *soc)
{
}
void dp_peer_ast_set_type(struct dp_soc *soc,
struct dp_ast_entry *ast_entry,
enum cdp_txrx_ast_entry_type type)
{
}
uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
return 0xff;
}
uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
struct dp_ast_entry *ast_entry)
{
return 0xff;
}
void dp_peer_ast_send_wds_del(struct dp_soc *soc,
struct dp_ast_entry *ast_entry,
struct dp_peer *peer)
{
}
static inline
void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
uint8_t vdev_id, uint8_t *mac_addr)
{
}
#endif
#ifdef WLAN_FEATURE_MULTI_AST_DEL
void dp_peer_ast_send_multi_wds_del(
struct dp_soc *soc, uint8_t vdev_id,
struct peer_del_multi_wds_entries *wds_list)
{
struct cdp_soc_t *cdp_soc = &soc->cdp_soc;
if (cdp_soc && cdp_soc->ol_ops &&
cdp_soc->ol_ops->peer_del_multi_wds_entry)
cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc,
vdev_id, wds_list);
}
#endif
#ifdef FEATURE_WDS
/**
* dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer
* @soc: soc handle
* @peer: peer handle
*
* Free all the wds ast entries associated with peer
*
* Return: Number of wds ast entries freed
*/
static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc,
struct dp_peer *peer)
{
TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0};
struct dp_ast_entry *ast_entry, *temp_ast_entry;
uint32_t num_ast = 0;
TAILQ_INIT(&ast_local_list);
qdf_spin_lock_bh(&soc->ast_lock);
DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) {
if (ast_entry->next_hop)
num_ast++;
if (ast_entry->is_mapped)
soc->ast_table[ast_entry->ast_idx] = NULL;
dp_peer_unlink_ast_entry(soc, ast_entry, peer);
DP_STATS_INC(soc, ast.deleted, 1);
dp_peer_ast_hash_remove(soc, ast_entry);
TAILQ_INSERT_TAIL(&ast_local_list, ast_entry,
ase_list_elem);
soc->num_ast_entries--;
}
qdf_spin_unlock_bh(&soc->ast_lock);
TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem,
temp_ast_entry) {
if (ast_entry->callback)
ast_entry->callback(soc->ctrl_psoc,
dp_soc_to_cdp_soc(soc),
ast_entry->cookie,
CDP_TXRX_AST_DELETED);
qdf_mem_free(ast_entry);
}
return num_ast;
}
/**
* dp_peer_clean_wds_entries() - Clean wds ast entries and compare
* @soc: soc handle
* @peer: peer handle
* @free_wds_count: number of wds entries freed by FW with peer delete
*
* Free all the wds ast entries associated with peer and compare with
* the value received from firmware
*
* Return: Number of wds ast entries freed
*/
static void
dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
uint32_t free_wds_count)
{
uint32_t wds_deleted = 0;
if (soc->ast_offload_support && !soc->host_ast_db_enable)
return;
wds_deleted = dp_peer_ast_free_wds_entries(soc, peer);
if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) &&
(free_wds_count != wds_deleted)) {
DP_STATS_INC(soc, ast.ast_mismatch, 1);
dp_alert("For peer %pK (mac: "QDF_MAC_ADDR_FMT")number of wds entries deleted by fw = %d during peer delete is not same as the numbers deleted by host = %d",
peer, peer->mac_addr.raw, free_wds_count,
wds_deleted);
}
}
#else
static void
dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
uint32_t free_wds_count)
{
struct dp_ast_entry *ast_entry, *temp_ast_entry;
qdf_spin_lock_bh(&soc->ast_lock);
DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) {
dp_peer_unlink_ast_entry(soc, ast_entry, peer);
if (ast_entry->is_mapped)
soc->ast_table[ast_entry->ast_idx] = NULL;
dp_peer_free_ast_entry(soc, ast_entry);
}
peer->self_ast_entry = NULL;
qdf_spin_unlock_bh(&soc->ast_lock);
}
#endif
/**
* dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete
* @soc: soc handle
* @peer: peer handle
* @vdev_id: vdev_id
* @mac_addr: mac address of the AST entry to searc and delete
*
* find the ast entry from the peer list using the mac address and free
* the entry.
*
* Return: SUCCESS or NOENT
*/
static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc,
struct dp_peer *peer,
uint8_t vdev_id,
uint8_t *mac_addr)
{
struct dp_ast_entry *ast_entry;
void *cookie = NULL;
txrx_ast_free_cb cb = NULL;
/*
* release the reference only if it is mapped
* to ast_table
*/
qdf_spin_lock_bh(&soc->ast_lock);
ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id);
if (!ast_entry) {
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_NOENT;
} else if (ast_entry->is_mapped) {
soc->ast_table[ast_entry->ast_idx] = NULL;
}
cb = ast_entry->callback;
cookie = ast_entry->cookie;
dp_peer_unlink_ast_entry(soc, ast_entry, peer);
dp_peer_free_ast_entry(soc, ast_entry);
qdf_spin_unlock_bh(&soc->ast_lock);
if (cb) {
cb(soc->ctrl_psoc,
dp_soc_to_cdp_soc(soc),
cookie,
CDP_TXRX_AST_DELETED);
}
return QDF_STATUS_SUCCESS;
}
void dp_peer_find_hash_erase(struct dp_soc *soc)
{
int i;
/*
* Not really necessary to take peer_ref_mutex lock - by this point,
* it's known that the soc is no longer in use.
*/
for (i = 0; i <= soc->peer_hash.mask; i++) {
if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) {
struct dp_peer *peer, *peer_next;
/*
* TAILQ_FOREACH_SAFE must be used here to avoid any
* memory access violation after peer is freed
*/
TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i],
hash_list_elem, peer_next) {
/*
* Don't remove the peer from the hash table -
* that would modify the list we are currently
* traversing, and it's not necessary anyway.
*/
/*
* Artificially adjust the peer's ref count to
* 1, so it will get deleted by
* dp_peer_unref_delete.
*/
/* set to zero */
qdf_atomic_init(&peer->ref_cnt);
for (i = 0; i < DP_MOD_ID_MAX; i++)
qdf_atomic_init(&peer->mod_refs[i]);
/* incr to one */
qdf_atomic_inc(&peer->ref_cnt);
qdf_atomic_inc(&peer->mod_refs
[DP_MOD_ID_CONFIG]);
dp_peer_unref_delete(peer,
DP_MOD_ID_CONFIG);
}
}
}
}
void dp_peer_ast_table_detach(struct dp_soc *soc)
{
if (soc->ast_table) {
qdf_mem_free(soc->ast_table);
soc->ast_table = NULL;
}
}
void dp_peer_find_map_detach(struct dp_soc *soc)
{
struct dp_peer *peer = NULL;
uint32_t i = 0;
if (soc->peer_id_to_obj_map) {
for (i = 0; i < soc->max_peer_id; i++) {
peer = soc->peer_id_to_obj_map[i];
if (peer)
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
}
qdf_mem_free(soc->peer_id_to_obj_map);
soc->peer_id_to_obj_map = NULL;
qdf_spinlock_destroy(&soc->peer_map_lock);
}
}
#ifndef AST_OFFLOAD_ENABLE
QDF_STATUS dp_peer_find_attach(struct dp_soc *soc)
{
QDF_STATUS status;
status = dp_peer_find_map_attach(soc);
if (!QDF_IS_STATUS_SUCCESS(status))
return status;
status = dp_peer_find_hash_attach(soc);
if (!QDF_IS_STATUS_SUCCESS(status))
goto map_detach;
status = dp_peer_ast_table_attach(soc);
if (!QDF_IS_STATUS_SUCCESS(status))
goto hash_detach;
status = dp_peer_ast_hash_attach(soc);
if (!QDF_IS_STATUS_SUCCESS(status))
goto ast_table_detach;
status = dp_peer_mec_hash_attach(soc);
if (QDF_IS_STATUS_SUCCESS(status)) {
dp_soc_wds_attach(soc);
return status;
}
dp_peer_ast_hash_detach(soc);
ast_table_detach:
dp_peer_ast_table_detach(soc);
hash_detach:
dp_peer_find_hash_detach(soc);
map_detach:
dp_peer_find_map_detach(soc);
return status;
}
#else
QDF_STATUS dp_peer_find_attach(struct dp_soc *soc)
{
QDF_STATUS status;
status = dp_peer_find_map_attach(soc);
if (!QDF_IS_STATUS_SUCCESS(status))
return status;
status = dp_peer_find_hash_attach(soc);
if (!QDF_IS_STATUS_SUCCESS(status))
goto map_detach;
return status;
map_detach:
dp_peer_find_map_detach(soc);
return status;
}
#endif
#ifdef REO_SHARED_QREF_TABLE_EN
void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc,
struct dp_peer *peer)
{
uint8_t tid;
uint16_t peer_id;
uint32_t max_list_size;
max_list_size = soc->wlan_cfg_ctx->qref_control_size;
peer_id = peer->peer_id;
if (peer_id > soc->max_peer_id)
return;
if (IS_MLO_DP_LINK_PEER(peer))
return;
if (max_list_size) {
unsigned long curr_ts = qdf_get_system_timestamp();
struct dp_peer *primary_peer = peer;
uint16_t chip_id = 0xFFFF;
uint32_t qref_index;
qref_index = soc->shared_qaddr_del_idx;
soc->list_shared_qaddr_del[qref_index].peer_id =
primary_peer->peer_id;
soc->list_shared_qaddr_del[qref_index].ts_qaddr_del = curr_ts;
soc->list_shared_qaddr_del[qref_index].chip_id = chip_id;
soc->shared_qaddr_del_idx++;
if (soc->shared_qaddr_del_idx == max_list_size)
soc->shared_qaddr_del_idx = 0;
}
if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) {
for (tid = 0; tid < DP_MAX_TIDS; tid++) {
hal_reo_shared_qaddr_write(soc->hal_soc,
peer_id, tid, 0);
}
}
}
#endif
/**
* dp_peer_find_add_id() - map peer_id with peer
* @soc: soc handle
* @peer_mac_addr: peer mac address
* @peer_id: peer id to be mapped
* @hw_peer_id: HW ast index
* @vdev_id: vdev_id
* @peer_type: peer type (link or MLD)
*
* return: peer in success
* NULL in failure
*/
static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc,
uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id,
uint8_t vdev_id, enum cdp_peer_type peer_type)
{
struct dp_peer *peer;
struct cdp_peer_info peer_info = { 0 };
QDF_ASSERT(peer_id <= soc->max_peer_id);
/* check if there's already a peer object with this MAC address */
DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr,
false, peer_type);
peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG);
dp_peer_debug("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT,
soc, peer, peer_id, vdev_id,
QDF_MAC_ADDR_REF(peer_mac_addr));
if (peer) {
/* peer's ref count was already incremented by
* peer_find_hash_find
*/
dp_peer_info("%pK: ref_cnt: %d", soc,
qdf_atomic_read(&peer->ref_cnt));
/*
* if peer is in logical delete CP triggered delete before map
* is received ignore this event
*/
if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) {
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d",
peer, QDF_MAC_ADDR_REF(peer_mac_addr),
vdev_id);
return NULL;
}
if (peer->peer_id == HTT_INVALID_PEER) {
if (!IS_MLO_DP_MLD_PEER(peer))
dp_monitor_peer_tid_peer_id_update(soc, peer,
peer_id);
} else {
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
QDF_ASSERT(0);
return NULL;
}
dp_peer_find_id_to_obj_add(soc, peer, peer_id);
if (soc->arch_ops.dp_partner_chips_map)
soc->arch_ops.dp_partner_chips_map(soc, peer, peer_id);
dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE);
return peer;
}
return NULL;
}
#ifdef WLAN_FEATURE_11BE_MLO
#ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH
uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id)
{
return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift));
}
#else
uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id)
{
return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S));
}
#endif
QDF_STATUS
dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
uint8_t *peer_mac_addr,
struct dp_mlo_flow_override_info *mlo_flow_info,
struct dp_mlo_link_info *mlo_link_info)
{
struct dp_peer *peer = NULL;
uint16_t hw_peer_id = mlo_flow_info[0].ast_idx;
uint16_t ast_hash = mlo_flow_info[0].cache_set_num;
uint8_t vdev_id = 0;
uint8_t is_wds = 0;
int i;
uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id);
enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC;
QDF_STATUS err = QDF_STATUS_SUCCESS;
struct dp_soc *primary_soc = NULL;
dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_MAP,
NULL, peer_mac_addr,
1, peer_id, ml_peer_id, 0,
vdev_id);
dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT,
soc, peer_id, ml_peer_id,
QDF_MAC_ADDR_REF(peer_mac_addr));
/* Get corresponding vdev ID for the peer based
* on chip ID obtained from mlo peer_map event
*/
for (i = 0; i < DP_MAX_MLO_LINKS; i++) {
if (mlo_link_info[i].peer_chip_id == dp_mlo_get_chip_id(soc)) {
vdev_id = mlo_link_info[i].vdev_id;
break;
}
}
peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id,
hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE);
if (peer) {
if (wlan_op_mode_sta == peer->vdev->opmode &&
qdf_mem_cmp(peer->mac_addr.raw,
peer->vdev->mld_mac_addr.raw,
QDF_MAC_ADDR_SIZE) != 0) {
dp_peer_info("%pK: STA vdev bss_peer!!!!", soc);
peer->bss_peer = 1;
if (peer->txrx_peer)
peer->txrx_peer->bss_peer = 1;
}
if (peer->vdev->opmode == wlan_op_mode_sta) {
peer->vdev->bss_ast_hash = ast_hash;
peer->vdev->bss_ast_idx = hw_peer_id;
}
/* Add ast entry incase self ast entry is
* deleted due to DP CP sync issue
*
* self_ast_entry is modified in peer create
* and peer unmap path which cannot run in
* parllel with peer map, no lock need before
* referring it
*/
if (!peer->self_ast_entry) {
dp_info("Add self ast from map "QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer_mac_addr));
dp_peer_add_ast(soc, peer,
peer_mac_addr,
type, 0);
}
/* If peer setup and hence rx_tid setup got called
* before htt peer map then Qref write to LUT did not
* happen in rx_tid setup as peer_id was invalid.
* So defer Qref write to peer map handler. Check if
* rx_tid qdesc for tid 0 is already setup and perform
* qref write to LUT for Tid 0 and 16.
*
* Peer map could be obtained on assoc link, hence
* change to primary link's soc.
*/
primary_soc = peer->vdev->pdev->soc;
if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) &&
peer->rx_tid[0].hw_qdesc_vaddr_unaligned) {
hal_reo_shared_qaddr_write(primary_soc->hal_soc,
ml_peer_id,
0,
peer->rx_tid[0].hw_qdesc_paddr);
hal_reo_shared_qaddr_write(primary_soc->hal_soc,
ml_peer_id,
DP_NON_QOS_TID,
peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr);
}
}
if (!primary_soc)
primary_soc = soc;
err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id,
vdev_id, ast_hash, is_wds);
/*
* If AST offload and host AST DB is enabled, populate AST entries on
* host based on mlo peer map event from FW
*/
if (peer && soc->ast_offload_support && soc->host_ast_db_enable) {
dp_peer_host_add_map_ast(primary_soc, ml_peer_id, peer_mac_addr,
hw_peer_id, vdev_id,
ast_hash, is_wds);
}
return err;
}
#endif
#ifdef DP_RX_UDP_OVER_PEER_ROAM
void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id,
uint8_t *peer_mac_addr)
{
struct dp_vdev *vdev = NULL;
vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT);
if (vdev) {
if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr,
QDF_MAC_ADDR_SIZE) == 0) {
vdev->roaming_peer_status =
WLAN_ROAM_PEER_AUTH_STATUS_NONE;
qdf_mem_zero(vdev->roaming_peer_mac.raw,
QDF_MAC_ADDR_SIZE);
}
dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT);
}
}
#endif
#ifdef WLAN_SUPPORT_PPEDS
static void
dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev,
bool peer_map)
{
if (soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping)
soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev,
peer_map);
}
#else
static void
dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev,
bool peer_map)
{
}
#endif
QDF_STATUS
dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
uint16_t hw_peer_id, uint8_t vdev_id,
uint8_t *peer_mac_addr, uint16_t ast_hash,
uint8_t is_wds)
{
struct dp_peer *peer = NULL;
struct dp_vdev *vdev = NULL;
enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC;
QDF_STATUS err = QDF_STATUS_SUCCESS;
dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_MAP,
NULL, peer_mac_addr, 1, peer_id,
0, 0, vdev_id);
dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d",
soc, peer_id, hw_peer_id,
QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id);
/* Peer map event for WDS ast entry get the peer from
* obj map
*/
if (is_wds) {
if (!soc->ast_offload_support) {
peer = dp_peer_get_ref_by_id(soc, peer_id,
DP_MOD_ID_HTT);
err = dp_peer_map_ast(soc, peer, peer_mac_addr,
hw_peer_id,
vdev_id, ast_hash, is_wds);
if (peer)
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
}
} else {
/*
* It's the responsibility of the CP and FW to ensure
* that peer is created successfully. Ideally DP should
* not hit the below condition for directly associated
* peers.
*/
if ((!soc->ast_offload_support) && ((hw_peer_id < 0) ||
(hw_peer_id >=
wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) {
dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id);
qdf_assert_always(0);
}
peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id,
hw_peer_id, vdev_id,
CDP_LINK_PEER_TYPE);
if (peer) {
bool peer_map = true;
/* Updating ast_hash and ast_idx in peer level */
peer->ast_hash = ast_hash;
peer->ast_idx = hw_peer_id;
vdev = peer->vdev;
/* Only check for STA Vdev and peer is not for TDLS */
if (wlan_op_mode_sta == vdev->opmode &&
!peer->is_tdls_peer) {
if (qdf_mem_cmp(peer->mac_addr.raw,
vdev->mac_addr.raw,
QDF_MAC_ADDR_SIZE) != 0) {
dp_info("%pK: STA vdev bss_peer", soc);
peer->bss_peer = 1;
if (peer->txrx_peer)
peer->txrx_peer->bss_peer = 1;
}
dp_info("bss ast_hash 0x%x, ast_index 0x%x",
ast_hash, hw_peer_id);
vdev->bss_ast_hash = ast_hash;
vdev->bss_ast_idx = hw_peer_id;
dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev,
peer_map);
}
/* Add ast entry incase self ast entry is
* deleted due to DP CP sync issue
*
* self_ast_entry is modified in peer create
* and peer unmap path which cannot run in
* parllel with peer map, no lock need before
* referring it
*/
if (!soc->ast_offload_support &&
!peer->self_ast_entry) {
dp_info("Add self ast from map "QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer_mac_addr));
dp_peer_add_ast(soc, peer,
peer_mac_addr,
type, 0);
}
/* If peer setup and hence rx_tid setup got called
* before htt peer map then Qref write to LUT did
* not happen in rx_tid setup as peer_id was invalid.
* So defer Qref write to peer map handler. Check if
* rx_tid qdesc for tid 0 is already setup perform qref
* write to LUT for Tid 0 and 16.
*/
if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) &&
peer->rx_tid[0].hw_qdesc_vaddr_unaligned &&
!IS_MLO_DP_LINK_PEER(peer)) {
add_entry_write_list(soc, peer, 0);
hal_reo_shared_qaddr_write(soc->hal_soc,
peer_id,
0,
peer->rx_tid[0].hw_qdesc_paddr);
add_entry_write_list(soc, peer, DP_NON_QOS_TID);
hal_reo_shared_qaddr_write(soc->hal_soc,
peer_id,
DP_NON_QOS_TID,
peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr);
}
}
err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id,
vdev_id, ast_hash, is_wds);
}
dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr);
/*
* If AST offload and host AST DB is enabled, populate AST entries on
* host based on peer map event from FW
*/
if (soc->ast_offload_support && soc->host_ast_db_enable) {
dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr,
hw_peer_id, vdev_id,
ast_hash, is_wds);
}
return err;
}
void
dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
uint8_t vdev_id, uint8_t *mac_addr,
uint8_t is_wds, uint32_t free_wds_count)
{
struct dp_peer *peer;
struct dp_vdev *vdev = NULL;
/*
* If FW AST offload is enabled and host AST DB is enabled,
* the AST entries are created during peer map from FW.
*/
if (soc->ast_offload_support && is_wds) {
if (!soc->host_ast_db_enable)
return;
}
peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
/*
* Currently peer IDs are assigned for vdevs as well as peers.
* If the peer ID is for a vdev, then the peer pointer stored
* in peer_id_to_obj_map will be NULL.
*/
if (!peer) {
dp_err("Received unmap event for invalid peer_id %u",
peer_id);
return;
}
vdev = peer->vdev;
if (peer->txrx_peer) {
struct cdp_txrx_peer_params_update params = {0};
params.osif_vdev = (void *)vdev->osif_vdev;
params.peer_mac = peer->mac_addr.raw;
params.chip_id = dp_mlo_get_chip_id(soc);
params.pdev_id = vdev->pdev->pdev_id;
dp_wdi_event_handler(WDI_EVENT_PEER_UNMAP, soc,
(void *)&params, peer_id,
WDI_NO_VAL, vdev->pdev->pdev_id);
}
/*
* In scenario where assoc peer soc id is different from
* primary soc id, reset the soc to point to primary psoc.
* Since map is received on primary soc, the unmap should
* also delete ast on primary soc.
*/
soc = peer->vdev->pdev->soc;
/* If V2 Peer map messages are enabled AST entry has to be
* freed here
*/
if (is_wds) {
if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id,
mac_addr)) {
dp_peer_unmap_ipa_evt(soc, peer_id, vdev_id, mac_addr);
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
return;
}
dp_alert("AST entry not found with peer %pK peer_id %u peer_mac "QDF_MAC_ADDR_FMT" mac_addr "QDF_MAC_ADDR_FMT" vdev_id %u next_hop %u",
peer, peer->peer_id,
QDF_MAC_ADDR_REF(peer->mac_addr.raw),
QDF_MAC_ADDR_REF(mac_addr), vdev_id,
is_wds);
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
return;
}
dp_peer_clean_wds_entries(soc, peer, free_wds_count);
dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_UNMAP,
peer, mac_addr, 0, peer_id,
0, 0, vdev_id);
dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK",
soc, peer_id, peer);
/* Clear entries in Qref LUT */
/* TODO: Check if this is to be called from
* dp_peer_delete for MLO case if there is race between
* new peer id assignment and still not having received
* peer unmap for MLD peer with same peer id.
*/
dp_peer_rx_reo_shared_qaddr_delete(soc, peer);
vdev = peer->vdev;
/* only if peer is in STA mode and not tdls peer */
if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) {
bool peer_map = false;
dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map);
}
dp_peer_find_id_to_obj_remove(soc, peer_id);
if (soc->arch_ops.dp_partner_chips_unmap)
soc->arch_ops.dp_partner_chips_unmap(soc, peer_id);
peer->peer_id = HTT_INVALID_PEER;
/*
* Reset ast flow mapping table
*/
if (!soc->ast_offload_support)
dp_peer_reset_flowq_map(peer);
if (soc->cdp_soc.ol_ops->peer_unmap_event) {
soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc,
peer_id, vdev_id, mac_addr);
}
dp_update_vdev_stats_on_peer_unmap(vdev, peer);
dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE);
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
/*
* Remove a reference to the peer.
* If there are no more references, delete the peer object.
*/
dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
}
#ifdef WLAN_FEATURE_11BE_MLO
void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id)
{
uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id);
uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0};
uint8_t vdev_id = DP_VDEV_ALL;
uint8_t is_wds = 0;
dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_UNMAP,
NULL, mac_addr, 0, peer_id,
0, 0, vdev_id);
dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d",
soc, peer_id);
dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id,
mac_addr, is_wds,
DP_PEER_WDS_COUNT_INVALID);
}
#endif
#ifndef AST_OFFLOAD_ENABLE
void
dp_peer_find_detach(struct dp_soc *soc)
{
dp_soc_wds_detach(soc);
dp_peer_find_map_detach(soc);
dp_peer_find_hash_detach(soc);
dp_peer_ast_hash_detach(soc);
dp_peer_ast_table_detach(soc);
dp_peer_mec_hash_detach(soc);
}
#else
void
dp_peer_find_detach(struct dp_soc *soc)
{
dp_peer_find_map_detach(soc);
dp_peer_find_hash_detach(soc);
}
#endif
void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer)
{
dp_peer_rx_tid_setup(peer);
peer->active_ba_session_cnt = 0;
peer->hw_buffer_size = 0;
peer->kill_256_sessions = 0;
/*
* Set security defaults: no PN check, no security. The target may
* send a HTT SEC_IND message to overwrite these defaults.
*/
if (peer->txrx_peer)
peer->txrx_peer->security[dp_sec_ucast].sec_type =
peer->txrx_peer->security[dp_sec_mcast].sec_type =
cdp_sec_type_none;
}
void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer)
{
enum wlan_op_mode vdev_opmode;
uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE];
struct dp_pdev *pdev = vdev->pdev;
struct dp_soc *soc = pdev->soc;
/* save vdev related member in case vdev freed */
vdev_opmode = vdev->opmode;
if (!IS_MLO_DP_MLD_PEER(peer))
dp_monitor_peer_tx_cleanup(vdev, peer);
if (vdev_opmode != wlan_op_mode_monitor)
/* cleanup the Rx reorder queues for this peer */
dp_peer_rx_cleanup(vdev, peer);
dp_peer_rx_tids_destroy(peer);
if (IS_MLO_DP_LINK_PEER(peer))
dp_link_peer_del_mld_peer(peer);
if (IS_MLO_DP_MLD_PEER(peer))
dp_mld_peer_deinit_link_peers_info(peer);
qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw,
QDF_MAC_ADDR_SIZE);
if (soc->cdp_soc.ol_ops->peer_unref_delete)
soc->cdp_soc.ol_ops->peer_unref_delete(
soc->ctrl_psoc,
vdev->pdev->pdev_id,
peer->mac_addr.raw, vdev_mac_addr,
vdev_opmode);
}
QDF_STATUS
dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id,
uint8_t *peer_mac, enum cdp_sec_type sec_type,
bool is_unicast)
{
struct dp_peer *peer =
dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
peer_mac, 0, vdev_id,
DP_MOD_ID_CDP);
int sec_index;
if (!peer) {
dp_peer_debug("%pK: Peer is NULL!\n", soc);
return QDF_STATUS_E_FAILURE;
}
if (!peer->txrx_peer) {
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
dp_peer_debug("%pK: txrx peer is NULL!\n", soc);
return QDF_STATUS_E_FAILURE;
}
dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d",
soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
is_unicast ? "ucast" : "mcast", sec_type);
sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast;
peer->txrx_peer->security[sec_index].sec_type = sec_type;
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
void
dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id,
enum cdp_sec_type sec_type, int is_unicast,
u_int32_t *michael_key,
u_int32_t *rx_pn)
{
struct dp_peer *peer;
struct dp_txrx_peer *txrx_peer;
int sec_index;
peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
if (!peer) {
dp_peer_err("Couldn't find peer from ID %d - skipping security inits",
peer_id);
return;
}
txrx_peer = dp_get_txrx_peer(peer);
if (!txrx_peer) {
dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits",
peer_id);
return;
}
dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d",
soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
is_unicast ? "ucast" : "mcast", sec_type);
sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast;
peer->txrx_peer->security[sec_index].sec_type = sec_type;
#ifdef notyet /* TODO: See if this is required for defrag support */
/* michael key only valid for TKIP, but for simplicity,
* copy it anyway
*/
qdf_mem_copy(
&peer->txrx_peer->security[sec_index].michael_key[0],
michael_key,
sizeof(peer->txrx_peer->security[sec_index].michael_key));
#ifdef BIG_ENDIAN_HOST
OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0],
sizeof(peer->txrx_peer->security[sec_index].michael_key));
#endif /* BIG_ENDIAN_HOST */
#endif
#ifdef notyet /* TODO: Check if this is required for wifi3.0 */
if (sec_type != cdp_sec_type_wapi) {
qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS);
} else {
for (i = 0; i < DP_MAX_TIDS; i++) {
/*
* Setting PN valid bit for WAPI sec_type,
* since WAPI PN has to be started with predefined value
*/
peer->tids_last_pn_valid[i] = 1;
qdf_mem_copy(
(u_int8_t *) &peer->tids_last_pn[i],
(u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t));
peer->tids_last_pn[i].pn128[1] =
qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]);
peer->tids_last_pn[i].pn128[0] =
qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]);
}
}
#endif
/* TODO: Update HW TID queue with PN check parameters (pn type for
* all security types and last pn for WAPI) once REO command API
* is available
*/
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
}
#ifdef QCA_PEER_EXT_STATS
QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc,
struct dp_txrx_peer *txrx_peer)
{
uint8_t tid, ctx_id;
if (!soc || !txrx_peer) {
dp_warn("Null soc%pK or peer%pK", soc, txrx_peer);
return QDF_STATUS_E_INVAL;
}
if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx))
return QDF_STATUS_SUCCESS;
/*
* Allocate memory for peer extended stats.
*/
txrx_peer->delay_stats =
qdf_mem_malloc(sizeof(struct dp_peer_delay_stats));
if (!txrx_peer->delay_stats) {
dp_err("Peer extended stats obj alloc failed!!");
return QDF_STATUS_E_NOMEM;
}
for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) {
for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) {
struct cdp_delay_tx_stats *tx_delay =
&txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay;
struct cdp_delay_rx_stats *rx_delay =
&txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay;
dp_hist_init(&tx_delay->tx_swq_delay,
CDP_HIST_TYPE_SW_ENQEUE_DELAY);
dp_hist_init(&tx_delay->hwtx_delay,
CDP_HIST_TYPE_HW_COMP_DELAY);
dp_hist_init(&rx_delay->to_stack_delay,
CDP_HIST_TYPE_REAP_STACK);
}
}
return QDF_STATUS_SUCCESS;
}
void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc,
struct dp_txrx_peer *txrx_peer)
{
if (!txrx_peer) {
dp_warn("peer_ext dealloc failed due to NULL peer object");
return;
}
if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx))
return;
if (!txrx_peer->delay_stats)
return;
qdf_mem_free(txrx_peer->delay_stats);
txrx_peer->delay_stats = NULL;
}
void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer)
{
if (txrx_peer->delay_stats)
qdf_mem_zero(txrx_peer->delay_stats,
sizeof(struct dp_peer_delay_stats));
}
#endif
#ifdef WLAN_PEER_JITTER
QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev,
struct dp_txrx_peer *txrx_peer)
{
if (!pdev || !txrx_peer) {
dp_warn("Null pdev or peer");
return QDF_STATUS_E_INVAL;
}
if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx))
return QDF_STATUS_SUCCESS;
if (wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) {
/*
* Allocate memory on per tid basis when nss is enabled
*/
txrx_peer->jitter_stats =
qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats)
* DP_MAX_TIDS);
} else {
/*
* Allocate memory on per tid per ring basis
*/
txrx_peer->jitter_stats =
qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats)
* DP_MAX_TIDS * CDP_MAX_TXRX_CTX);
}
if (!txrx_peer->jitter_stats) {
dp_warn("Jitter stats obj alloc failed!!");
return QDF_STATUS_E_NOMEM;
}
return QDF_STATUS_SUCCESS;
}
void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev,
struct dp_txrx_peer *txrx_peer)
{
if (!pdev || !txrx_peer) {
dp_warn("Null pdev or peer");
return;
}
if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx))
return;
if (txrx_peer->jitter_stats) {
qdf_mem_free(txrx_peer->jitter_stats);
txrx_peer->jitter_stats = NULL;
}
}
void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer)
{
struct cdp_peer_tid_stats *jitter_stats = NULL;
if (!txrx_peer) {
dp_warn("Null peer");
return;
}
if (!wlan_cfg_is_peer_jitter_stats_enabled(txrx_peer->
vdev->
pdev->soc->wlan_cfg_ctx))
return;
jitter_stats = txrx_peer->jitter_stats;
if (!jitter_stats)
return;
if (wlan_cfg_get_dp_pdev_nss_enabled(txrx_peer->
vdev->pdev->wlan_cfg_ctx))
qdf_mem_zero(jitter_stats,
sizeof(struct cdp_peer_tid_stats) *
DP_MAX_TIDS);
else
qdf_mem_zero(jitter_stats,
sizeof(struct cdp_peer_tid_stats) *
DP_MAX_TIDS * CDP_MAX_TXRX_CTX);
}
#endif
#ifdef DP_PEER_EXTENDED_API
/**
* dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer
* @soc: DP soc handle
* @txrx_peer: Core txrx_peer handle
* @set_bw: enum of bandwidth to be set for this peer connection
*
* Return: None
*/
static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer,
enum cdp_peer_bw set_bw)
{
if (!txrx_peer)
return;
txrx_peer->bw = set_bw;
switch (set_bw) {
case CDP_160_MHZ:
case CDP_320_MHZ:
txrx_peer->mpdu_retry_threshold =
soc->wlan_cfg_ctx->mpdu_retry_threshold_2;
break;
case CDP_20_MHZ:
case CDP_40_MHZ:
case CDP_80_MHZ:
default:
txrx_peer->mpdu_retry_threshold =
soc->wlan_cfg_ctx->mpdu_retry_threshold_1;
break;
}
dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u",
txrx_peer->peer_id, txrx_peer->bw,
txrx_peer->mpdu_retry_threshold);
}
#ifdef WLAN_FEATURE_11BE_MLO
QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
struct ol_txrx_desc_type *sta_desc)
{
struct dp_peer *peer;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes,
0, DP_VDEV_ALL, DP_MOD_ID_CDP);
if (!peer)
return QDF_STATUS_E_FAULT;
qdf_spin_lock_bh(&peer->peer_info_lock);
peer->state = OL_TXRX_PEER_STATE_CONN;
qdf_spin_unlock_bh(&peer->peer_info_lock);
dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw);
dp_rx_flush_rx_cached(peer, false);
if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) {
dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw));
qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock);
peer->mld_peer->state = peer->state;
qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock);
dp_rx_flush_rx_cached(peer->mld_peer, false);
}
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
enum ol_txrx_peer_state state)
{
struct dp_peer *peer;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
DP_MOD_ID_CDP);
if (!peer) {
dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]",
soc, QDF_MAC_ADDR_REF(peer_mac));
return QDF_STATUS_E_FAILURE;
}
peer->state = state;
peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0;
if (peer->txrx_peer)
peer->txrx_peer->authorize = peer->authorize;
dp_peer_info("peer" QDF_MAC_ADDR_FMT "state %d",
QDF_MAC_ADDR_REF(peer->mac_addr.raw),
peer->state);
if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) {
peer->mld_peer->state = peer->state;
peer->mld_peer->txrx_peer->authorize = peer->authorize;
dp_peer_info("mld peer" QDF_MAC_ADDR_FMT "state %d",
QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw),
peer->mld_peer->state);
}
/* ref_cnt is incremented inside dp_peer_find_hash_find().
* Decrement it here.
*/
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
#else
QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
struct ol_txrx_desc_type *sta_desc)
{
struct dp_peer *peer;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes,
0, DP_VDEV_ALL, DP_MOD_ID_CDP);
if (!peer)
return QDF_STATUS_E_FAULT;
qdf_spin_lock_bh(&peer->peer_info_lock);
peer->state = OL_TXRX_PEER_STATE_CONN;
qdf_spin_unlock_bh(&peer->peer_info_lock);
dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw);
dp_rx_flush_rx_cached(peer, false);
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
enum ol_txrx_peer_state state)
{
struct dp_peer *peer;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
DP_MOD_ID_CDP);
if (!peer) {
dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]",
soc, QDF_MAC_ADDR_REF(peer_mac));
return QDF_STATUS_E_FAILURE;
}
peer->state = state;
peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0;
if (peer->txrx_peer)
peer->txrx_peer->authorize = peer->authorize;
dp_info("peer %pK state %d", peer, peer->state);
/* ref_cnt is incremented inside dp_peer_find_hash_find().
* Decrement it here.
*/
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
#endif
QDF_STATUS
dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
struct qdf_mac_addr peer_addr)
{
struct dp_peer *peer;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
peer = dp_peer_find_hash_find(soc, peer_addr.bytes,
0, DP_VDEV_ALL, DP_MOD_ID_CDP);
if (!peer)
return QDF_STATUS_E_FAULT;
if (!peer->valid) {
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_E_FAULT;
}
dp_clear_peer_internal(soc, peer);
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
uint8_t *vdev_id)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_peer *peer =
dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
DP_MOD_ID_CDP);
if (!peer)
return QDF_STATUS_E_FAILURE;
dp_info("peer %pK vdev %pK vdev id %d",
peer, peer->vdev, peer->vdev->vdev_id);
*vdev_id = peer->vdev->vdev_id;
/* ref_cnt is incremented inside dp_peer_find_hash_find().
* Decrement it here.
*/
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
struct cdp_vdev *
dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle,
struct qdf_mac_addr peer_addr)
{
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
struct dp_peer *peer = NULL;
struct cdp_vdev *vdev = NULL;
if (!pdev) {
dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer_addr.bytes));
return NULL;
}
peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0,
DP_VDEV_ALL, DP_MOD_ID_CDP);
if (!peer) {
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH,
"PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer_addr.bytes));
return NULL;
}
vdev = (struct cdp_vdev *)peer->vdev;
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return vdev;
}
struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle)
{
struct dp_peer *peer = peer_handle;
DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev);
return (struct cdp_vdev *)peer->vdev;
}
uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle)
{
struct dp_peer *peer = peer_handle;
uint8_t *mac;
mac = peer->mac_addr.raw;
dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return peer->mac_addr.raw;
}
int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
uint8_t *peer_mac)
{
enum ol_txrx_peer_state peer_state;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct cdp_peer_info peer_info = { 0 };
struct dp_peer *peer;
struct dp_peer *tgt_peer;
DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac,
false, CDP_WILD_PEER_TYPE);
peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP);
if (!peer)
return OL_TXRX_PEER_STATE_INVALID;
DP_TRACE(DEBUG, "peer %pK stats %d", peer, peer->state);
tgt_peer = dp_get_tgt_peer_from_peer(peer);
peer_state = tgt_peer->state;
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return peer_state;
}
void dp_local_peer_id_pool_init(struct dp_pdev *pdev)
{
int i;
/* point the freelist to the first ID */
pdev->local_peer_ids.freelist = 0;
/* link each ID to the next one */
for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) {
pdev->local_peer_ids.pool[i] = i + 1;
pdev->local_peer_ids.map[i] = NULL;
}
/* link the last ID to itself, to mark the end of the list */
i = OL_TXRX_NUM_LOCAL_PEER_IDS;
pdev->local_peer_ids.pool[i] = i;
qdf_spinlock_create(&pdev->local_peer_ids.lock);
dp_info("Peer pool init");
}
void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer)
{
int i;
qdf_spin_lock_bh(&pdev->local_peer_ids.lock);
i = pdev->local_peer_ids.freelist;
if (pdev->local_peer_ids.pool[i] == i) {
/* the list is empty, except for the list-end marker */
peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID;
} else {
/* take the head ID and advance the freelist */
peer->local_id = i;
pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i];
pdev->local_peer_ids.map[i] = peer;
}
qdf_spin_unlock_bh(&pdev->local_peer_ids.lock);
dp_info("peer %pK, local id %d", peer, peer->local_id);
}
void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer)
{
int i = peer->local_id;
if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) ||
(i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) {
return;
}
/* put this ID on the head of the freelist */
qdf_spin_lock_bh(&pdev->local_peer_ids.lock);
pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist;
pdev->local_peer_ids.freelist = i;
pdev->local_peer_ids.map[i] = NULL;
qdf_spin_unlock_bh(&pdev->local_peer_ids.lock);
}
bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl,
uint8_t vdev_id, uint8_t *peer_addr)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_peer *peer = NULL;
peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id,
DP_MOD_ID_CDP);
if (!peer)
return false;
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return true;
}
bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl,
uint8_t vdev_id, uint8_t *peer_addr,
uint16_t max_bssid)
{
int i;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_peer *peer = NULL;
for (i = 0; i < max_bssid; i++) {
/* Need to check vdevs other than the vdev_id */
if (vdev_id == i)
continue;
peer = dp_peer_find_hash_find(soc, peer_addr, 0, i,
DP_MOD_ID_CDP);
if (peer) {
dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d",
QDF_MAC_ADDR_REF(peer_addr), i);
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return true;
}
}
return false;
}
void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
uint8_t *peer_mac, bool val)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_peer *peer = NULL;
peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id,
DP_MOD_ID_CDP);
if (!peer) {
dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer_mac));
return;
}
dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT,
val, QDF_MAC_ADDR_REF(peer_mac));
peer->is_tdls_peer = val;
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
}
#endif
bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
uint8_t *peer_addr)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_peer *peer = NULL;
peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL,
DP_MOD_ID_CDP);
if (peer) {
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return true;
}
return false;
}
QDF_STATUS
dp_set_michael_key(struct cdp_soc_t *soc,
uint8_t vdev_id,
uint8_t *peer_mac,
bool is_unicast, uint32_t *key)
{
uint8_t sec_index = is_unicast ? 1 : 0;
struct dp_peer *peer =
dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
peer_mac, 0, vdev_id,
DP_MOD_ID_CDP);
if (!peer) {
dp_peer_err("%pK: peer not found ", soc);
return QDF_STATUS_E_FAILURE;
}
qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0],
key, IEEE80211_WEP_MICLEN);
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
return QDF_STATUS_SUCCESS;
}
struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc,
struct dp_vdev *vdev,
enum dp_mod_id mod_id)
{
struct dp_peer *peer = NULL;
qdf_spin_lock_bh(&vdev->peer_list_lock);
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
if (peer->bss_peer)
break;
}
if (!peer) {
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return NULL;
}
if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) {
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return peer;
}
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return peer;
}
struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc,
struct dp_vdev *vdev,
enum dp_mod_id mod_id)
{
struct dp_peer *peer;
if (vdev->opmode != wlan_op_mode_sta)
return NULL;
qdf_spin_lock_bh(&vdev->peer_list_lock);
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
if (peer->sta_self_peer)
break;
}
if (!peer) {
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return NULL;
}
if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) {
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return peer;
}
qdf_spin_unlock_bh(&vdev->peer_list_lock);
return peer;
}
void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
uint8_t *peer_mac)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0,
vdev_id,
DP_MOD_ID_CDP);
struct dp_txrx_peer *txrx_peer;
uint8_t tid;
struct dp_rx_tid_defrag *defrag_rx_tid;
if (!peer)
return;
if (!peer->txrx_peer)
goto fail;
dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT,
QDF_MAC_ADDR_REF(peer->mac_addr.raw));
txrx_peer = peer->txrx_peer;
for (tid = 0; tid < DP_MAX_TIDS; tid++) {
defrag_rx_tid = &txrx_peer->rx_tid[tid];
qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock);
dp_rx_defrag_waitlist_remove(txrx_peer, tid);
dp_rx_reorder_flush_frag(txrx_peer, tid);
qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock);
}
fail:
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
}
bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id)
{
struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id,
DP_MOD_ID_HTT);
if (peer) {
/*
* Decrement the peer ref which is taken as part of
* dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled
*/
dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
return true;
}
return false;
}
qdf_export_symbol(dp_peer_find_by_id_valid);
#ifdef QCA_MULTIPASS_SUPPORT
void dp_peer_multipass_list_remove(struct dp_peer *peer)
{
struct dp_vdev *vdev = peer->vdev;
struct dp_txrx_peer *tpeer = NULL;
bool found = 0;
qdf_spin_lock_bh(&vdev->mpass_peer_mutex);
TAILQ_FOREACH(tpeer, &vdev->mpass_peer_list, mpass_peer_list_elem) {
if (tpeer == peer->txrx_peer) {
found = 1;
TAILQ_REMOVE(&vdev->mpass_peer_list, peer->txrx_peer,
mpass_peer_list_elem);
break;
}
}
qdf_spin_unlock_bh(&vdev->mpass_peer_mutex);
if (found)
dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS);
}
/**
* dp_peer_multipass_list_add() - add to new multipass list
* @soc: soc handle
* @peer_mac: mac address
* @vdev_id: vdev id for peer
* @vlan_id: vlan_id
*
* return: void
*/
static void dp_peer_multipass_list_add(struct dp_soc *soc, uint8_t *peer_mac,
uint8_t vdev_id, uint16_t vlan_id)
{
struct dp_peer *peer =
dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0,
vdev_id,
DP_MOD_ID_TX_MULTIPASS);
if (qdf_unlikely(!peer)) {
qdf_err("NULL peer");
return;
}
if (qdf_unlikely(!peer->txrx_peer))
goto fail;
/* If peer already exists in vdev multipass list, do not add it.
* This may happen if key install comes twice or re-key
* happens for a peer.
*/
if (peer->txrx_peer->vlan_id) {
dp_debug("peer already added to vdev multipass list"
"MAC: "QDF_MAC_ADDR_FMT" vlan: %d ",
QDF_MAC_ADDR_REF(peer->mac_addr.raw),
peer->txrx_peer->vlan_id);
goto fail;
}
/*
* Ref_cnt is incremented inside dp_peer_find_hash_find().
* Decrement it when element is deleted from the list.
*/
peer->txrx_peer->vlan_id = vlan_id;
qdf_spin_lock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex);
TAILQ_INSERT_HEAD(&peer->txrx_peer->vdev->mpass_peer_list,
peer->txrx_peer,
mpass_peer_list_elem);
qdf_spin_unlock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex);
return;
fail:
dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS);
}
void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc,
uint8_t vdev_id, uint8_t *peer_mac,
uint16_t vlan_id)
{
struct dp_soc *soc = (struct dp_soc *)cdp_soc;
struct dp_vdev *vdev =
dp_vdev_get_ref_by_id((struct dp_soc *)soc, vdev_id,
DP_MOD_ID_TX_MULTIPASS);
dp_info("vdev_id %d, vdev %pK, multipass_en %d, peer_mac " QDF_MAC_ADDR_FMT " vlan %d",
vdev_id, vdev, vdev ? vdev->multipass_en : 0,
QDF_MAC_ADDR_REF(peer_mac), vlan_id);
if (vdev && vdev->multipass_en) {
dp_peer_multipass_list_add(soc, peer_mac, vdev_id, vlan_id);
dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS);
}
}
#endif /* QCA_MULTIPASS_SUPPORT */
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