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qcacmn: add state to data path peer

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Add states to data path peer and appropriate
checks for transistion of states

Change-Id: Ieaadbf4b406351d48aece7fd3552abe42d61db1e
This commit is contained in:
Chaithanya Garrepalli
2020-08-14 14:31:21 +05:30
committed by snandini
parent f4701f13ec
commit 1322dc7949
5 changed files with 107 additions and 20 deletions
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19
dp/wifi3.0/dp_main.c
View File

@@ -1313,7 +1313,6 @@ static void dp_print_peer_table(struct dp_vdev *vdev)
" wds_enabled = %d"
" tx_cap_enabled = %d"
" rx_cap_enabled = %d"
" delete in progress = %d"
" peer id = %d",
peer->mac_addr.raw,
peer->nawds_enabled,
@@ -1321,7 +1320,6 @@ static void dp_print_peer_table(struct dp_vdev *vdev)
peer->wds_enabled,
peer->tx_cap_enabled,
peer->rx_cap_enabled,
peer->delete_in_progress,
peer->peer_id);
}
qdf_spin_unlock_bh(&vdev->peer_list_lock);
@@ -5423,7 +5421,6 @@ dp_peer_create_wifi3(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
qdf_spin_lock_bh(&soc->ast_lock);
dp_peer_delete_ast_entries(soc, peer);
peer->delete_in_progress = false;
qdf_spin_unlock_bh(&soc->ast_lock);
if ((vdev->opmode == wlan_op_mode_sta) &&
@@ -5453,6 +5450,8 @@ dp_peer_create_wifi3(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
for (i = 0; i < DP_MAX_TIDS; i++)
qdf_spinlock_create(&peer->rx_tid[i].tid_lock);
dp_peer_update_state(soc, peer, DP_PEER_STATE_INIT);
return QDF_STATUS_SUCCESS;
} else {
/*
@@ -5587,6 +5586,9 @@ dp_peer_create_wifi3(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
dp_peer_tx_capture_filter_check(pdev, peer);
dp_set_peer_isolation(peer, false);
dp_peer_update_state(soc, peer, DP_PEER_STATE_INIT);
return QDF_STATUS_SUCCESS;
}
@@ -6245,10 +6247,8 @@ void dp_peer_unref_delete(struct dp_peer *peer, enum dp_peer_mod_id mod_id)
inactive_list_elem);
/* delete this peer from the list */
qdf_spin_unlock_bh(&soc->inactive_peer_list_lock);
/*
* Peer AST list hast to be empty here
*/
DP_AST_ASSERT(TAILQ_EMPTY(&peer->ast_entry_list));
dp_peer_update_state(soc, peer, DP_PEER_STATE_FREED);
qdf_mem_free(peer);
@@ -6288,7 +6288,6 @@ static QDF_STATUS dp_peer_delete_wifi3(struct cdp_soc_t *soc_hdl,
0, vdev_id,
DP_MOD_ID_CDP);
struct dp_vdev *vdev = dp_get_vdev_from_soc_vdev_id_wifi3(soc, vdev_id);
if (!vdev)
return QDF_STATUS_E_FAILURE;
@@ -9418,9 +9417,13 @@ dp_peer_teardown_wifi3(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
return QDF_STATUS_E_FAILURE;
}
if (peer->peer_state == DP_PEER_STATE_INIT)
dp_peer_cleanup(peer->vdev, peer);
qdf_spin_lock_bh(&soc->ast_lock);
peer->delete_in_progress = true;
dp_peer_delete_ast_entries(soc, peer);
dp_peer_update_state(soc, peer, DP_PEER_STATE_LOGICAL_DELETE);
qdf_spin_unlock_bh(&soc->ast_lock);
dp_peer_unref_delete(peer, DP_MOD_ID_CDP);

29
dp/wifi3.0/dp_peer.c
View File

@@ -885,9 +885,13 @@ QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev);
qdf_spin_lock_bh(&soc->ast_lock);
if (peer->delete_in_progress) {
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_BUSY;
if (peer->peer_state != 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;
}
}
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
@@ -1296,7 +1300,8 @@ int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
* 2) Peer delete is already triggered
* 3) We did not get the HTT map for create event
*/
if (ast_entry->delete_in_progress || peer->delete_in_progress ||
if (ast_entry->delete_in_progress ||
(peer->peer_state != DP_PEER_STATE_ACTIVE) ||
!ast_entry->is_mapped)
return ret;
@@ -1936,6 +1941,16 @@ static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc,
"%s: ref_cnt: %d", __func__,
qdf_atomic_read(&peer->ref_cnt));
/*
* if peer is in logical delete CP triggered delete before map
* is received ignore this event
*/
if (peer->peer_state == DP_PEER_STATE_LOGICAL_DELETE) {
dp_peer_unref_delete(peer, DP_MOD_ID_PEER_CONFIG);
dp_alert("Peer %pK[%pM] logical delete state vid %d",
peer, peer_mac_addr, vdev_id);
return NULL;
}
dp_peer_find_id_to_obj_add(soc, peer, peer_id);
if (peer->peer_id == HTT_INVALID_PEER) {
peer->peer_id = peer_id;
@@ -1944,6 +1959,7 @@ static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc,
QDF_ASSERT(0);
}
dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE);
return peer;
}
@@ -2119,6 +2135,8 @@ dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
qdf_spin_lock_bh(&soc->inactive_peer_list_lock);
TAILQ_INSERT_TAIL(&soc->inactive_peer_list, peer, inactive_list_elem);
qdf_spin_unlock_bh(&soc->inactive_peer_list_lock);
dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE);
/*
* Remove a reference to the peer.
* If there are no more references, delete the peer object.
@@ -2298,8 +2316,7 @@ QDF_STATUS dp_rx_tid_setup_wifi3(struct dp_peer *peer, int tid,
uint32_t alloc_tries = 0;
QDF_STATUS err = QDF_STATUS_SUCCESS;
if (peer->delete_in_progress ||
!qdf_atomic_read(&peer->is_default_route_set))
if (!qdf_atomic_read(&peer->is_default_route_set))
return QDF_STATUS_E_FAILURE;
rx_tid->ba_win_size = ba_window_size;

58
dp/wifi3.0/dp_peer.h
View File

@@ -90,7 +90,7 @@ struct dp_peer *dp_peer_get_ref_by_id(struct dp_soc *soc,
qdf_spin_lock_bh(&soc->peer_map_lock);
peer = __dp_peer_find_by_id(soc, peer_id);
if (!peer || peer->delete_in_progress ||
if (!peer || peer->peer_state >= DP_PEER_STATE_LOGICAL_DELETE ||
(dp_peer_get_ref(soc, peer, mod_id) != QDF_STATUS_SUCCESS)) {
qdf_spin_unlock_bh(&soc->peer_map_lock);
return NULL;
@@ -126,6 +126,62 @@ dp_clear_peer_internal(struct dp_soc *soc, struct dp_peer *peer)
dp_rx_flush_rx_cached(peer, true);
}
/**
* dp_peer_update_state() - update dp peer state
*
* @soc : core DP soc context
* @peer : DP peer
* @state : new state
*
* Return: None
*/
static inline void
dp_peer_update_state(struct dp_soc *soc,
struct dp_peer *peer,
enum dp_peer_state state)
{
uint8_t peer_state = peer->peer_state;
switch (state) {
case DP_PEER_STATE_INIT:
QDF_ASSERT
((peer_state != DP_PEER_STATE_ACTIVE) ||
(peer_state != DP_PEER_STATE_LOGICAL_DELETE));
break;
case DP_PEER_STATE_ACTIVE:
QDF_ASSERT(peer_state == DP_PEER_STATE_INIT);
break;
case DP_PEER_STATE_LOGICAL_DELETE:
QDF_ASSERT((peer_state == DP_PEER_STATE_ACTIVE) ||
(peer_state == DP_PEER_STATE_INIT));
break;
case DP_PEER_STATE_INACTIVE:
QDF_ASSERT(peer_state == DP_PEER_STATE_LOGICAL_DELETE);
break;
case DP_PEER_STATE_FREED:
if (peer->sta_self_peer)
QDF_ASSERT(peer_state ==
DP_PEER_STATE_INIT);
else
QDF_ASSERT((peer_state ==
DP_PEER_STATE_INACTIVE) ||
(peer_state ==
DP_PEER_STATE_LOGICAL_DELETE));
break;
default:
QDF_ASSERT(0);
break;
}
qdf_info("Updating peer state from %u to %u mac %pM\n",
peer_state, state, peer->mac_addr.raw);
peer->peer_state = state;
}
void dp_print_ast_stats(struct dp_soc *soc);
QDF_STATUS dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
uint16_t hw_peer_id, uint8_t vdev_id,

4
dp/wifi3.0/dp_stats.c
View File

@@ -6054,10 +6054,6 @@ dp_aggregate_pdev_ctrl_frames_stats(struct dp_pdev *pdev)
TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) {
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
if (peer->delete_in_progress) {
dp_err("DP Peer deletion in progress");
continue;
}
if (dp_peer_get_ref(pdev->soc, peer,
DP_MOD_ID_GENERIC_STATS) !=
QDF_STATUS_SUCCESS)

17
dp/wifi3.0/dp_types.h
View File

@@ -148,6 +148,19 @@ struct dp_rx_fst;
struct dp_mon_filter;
struct dp_mon_mpdu;
/**
* enum for DP peer state
*/
enum dp_peer_state {
DP_PEER_STATE_NONE,
DP_PEER_STATE_INIT,
DP_PEER_STATE_ACTIVE,
DP_PEER_STATE_LOGICAL_DELETE,
DP_PEER_STATE_INACTIVE,
DP_PEER_STATE_FREED,
DP_PEER_STATE_INVALID,
};
/**
* enum for modules ids of peer reference
*/
@@ -2413,7 +2426,7 @@ struct dp_peer {
rx_cap_enabled:1, /* Peer's rx-capture is enabled */
valid:1, /* valid bit */
in_twt:1, /* in TWT session */
delete_in_progress:1, /*delete_in_progress bit*/
delete_in_progress:1, /* Indicate kickout sent */
sta_self_peer:1; /* Indicate STA self peer */
#ifdef QCA_SUPPORT_PEER_ISOLATION
@@ -2486,6 +2499,8 @@ struct dp_peer {
TAILQ_ENTRY(dp_peer) inactive_list_elem;
qdf_atomic_t mod_refs[DP_MOD_ID_MAX];
uint8_t peer_state;
};
/*