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qcacmn: remove bss and self peer back pointers from dp_vdev

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Remove self and BSS peer back pointers and added APIs to
get self and BSS peer from VDEV

These new APIs will iterate through peer list and return
the appropriate peer by taking a reference

Caller has to take care of releasing the reference

Change-Id: I550ff83d665f3ad0a185bea1a1e6270c5474ff07
This commit is contained in:
Chaithanya Garrepalli
2020-08-06 10:36:40 +05:30
committed by snandini
parent 1010dcfa74
commit 82eb94c989
5 changed files with 90 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
dp/wifi3.0/dp_peer.c
View File

@@ -711,6 +711,7 @@ QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
uint8_t next_node_mac[6];
txrx_ast_free_cb cb = NULL;
void *cookie = NULL;
struct dp_peer *vap_bss_peer = NULL;
bool is_peer_found = false;
vdev = peer->vdev;
@@ -916,7 +917,13 @@ add_ast_entry:
ast_entry->type = CDP_TXRX_AST_TYPE_MEC;
break;
case CDP_TXRX_AST_TYPE_DA:
peer = peer->vdev->vap_bss_peer;
vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev);
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;
@@ -953,11 +960,16 @@ add_ast_entry:
next_node_mac,
flags,
ast_entry->type)) {
if (vap_bss_peer)
dp_peer_unref_delete(vap_bss_peer);
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_SUCCESS;
}
}
if (vap_bss_peer)
dp_peer_unref_delete(vap_bss_peer);
qdf_spin_unlock_bh(&soc->ast_lock);
return QDF_STATUS_E_FAILURE;
}
@@ -1781,10 +1793,6 @@ dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
QDF_MAC_ADDR_SIZE) != 0) {
dp_info("STA vdev bss_peer!!!!");
peer->bss_peer = 1;
peer->vdev->vap_bss_peer = peer;
qdf_mem_copy(peer->vdev->vap_bss_peer_mac_addr,
peer->mac_addr.raw,
QDF_MAC_ADDR_SIZE);
}
if (peer->vdev->opmode == wlan_op_mode_sta) {
@@ -4033,3 +4041,60 @@ bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id)
return false;
}
/**
* dp_vdev_bss_peer_ref_n_get: Get bss peer of a vdev
* @soc: DP soc
* @vdev: vdev
*
* Return: VDEV BSS peer
*/
struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc,
struct dp_vdev *vdev)
{
struct dp_peer *peer;
qdf_spin_lock_bh(&soc->peer_ref_mutex);
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
if (peer->bss_peer)
break;
}
if (!peer || !qdf_atomic_inc_not_zero(&peer->ref_cnt)) {
qdf_spin_unlock_bh(&soc->peer_ref_mutex);
return NULL;
}
qdf_spin_unlock_bh(&soc->peer_ref_mutex);
return peer;
}
/**
* dp_sta_vdev_self_peer_ref_n_get: Get self peer of sta vdev
* @soc: DP soc
* @vdev: vdev
*
* Return: VDEV self peer
*/
struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc,
struct dp_vdev *vdev)
{
struct dp_peer *peer;
if (vdev->opmode != wlan_op_mode_sta)
return NULL;
qdf_spin_lock_bh(&soc->peer_ref_mutex);
TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
if (peer->sta_self_peer)
break;
}
if (!peer || !qdf_atomic_inc_not_zero(&peer->ref_cnt)) {
qdf_spin_unlock_bh(&soc->peer_ref_mutex);
return NULL;
}
qdf_spin_unlock_bh(&soc->peer_ref_mutex);
return peer;
}